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Journal articles on the topic 'Myringotomie'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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1

Jassir, David, Craig A. Buchman, and Orlando Gomez-Marin. "Safety and Efficacy of Topical Mitomycin C in Myringotomy Patency." Otolaryngology–Head and Neck Surgery 124, no. 4 (2001): 368–73. http://dx.doi.org/10.1067/mhn.2001.114255.

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OBJECTIVE: To develop an alternative method for prolonged middle ear ventilation using topical mitomycin C. STUDY DESIGN AND SETTING: Twenty guinea pigs with normal ears had bilateral myringotomies performed using the argon laser. After myringotomy, either mitomycin C (0.4 mg/mL) or saline pledgets were applied topically. Monitoring consisted of otomicroscopy and distortion-product otoacoustic emissions. RESULTS: Before myringotomy, all tympanic membranes were intact, and distortion-product otoacoustic emissions were measurable. After myringotomy, none (0%) of the saline-treated myringotomies were patent at day 7 as compared with 100% of the mitomycin C-treated myringotomies. At day 42, 10 (52.6%) of 19 mitomycin-treated myringotomies remained patent and 4 (28.6%) of 14 were patent at 131 days. Five (13.1%) ears developed purulent otorrhea; 3 were mitomycin C-treated and 2 were treated with saline solution. Distortion-product otoacoustic emissions testing did not document any evidence of ototoxicity. CONCLUSION: Topical mitomycin C appears to be safe and effective at prolonging the duration of myringotomy patency in the guinea pig. SIGNIFICANCE: Mitomycin C may be useful as an adjunct for preventing myringotomy closure.
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2

Estrem, Scott A., and Terry J. Baker. "Preapplication of Mitomycin C for Enhanced Patency of Myringotomy." Otolaryngology–Head and Neck Surgery 122, no. 3 (2000): 346–48. http://dx.doi.org/10.1016/s0194-5998(00)70045-3.

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OBJECTIVES: Ventilation tubes are the mainstay of surgical treatment for eustachian tube dysfunction and have been used successfully for many years. Certain disadvantages of ventilation tubes, however, have prompted research into alternative techniques including laser myringotomy. We investigated the use of KTP laser myringotomy in conjunction with topical mitomycin C to delay healing and prolong the patency of the myringotomy. METHODS: Twenty myringotomies were created in 10 Sprague-Dawley rats. A solution of mitomycin C was applied to the intact tympanic membrane for 15 minutes. The solution was then suctioned free, and a myringotomy was created with a KTP laser. Fifty-three rats with saline application serving as controls from a previous study were used to allow statistical assessment. RESULTS: The myringotomies remained open for a median of 9.5 weeks. Control myringotomies, which received saline solution instead of mitomycin C, healed within a median of 1.5 weeks. The difference was statistically significant at P < 0.0001. No complications were noted. CONCLUSION: Topically administered mitomycin C before laser myringotomy is effective in prolonging the patency of laser myringotomies in rats. The patency rate is similar to that achieved in experiments in which topical mitomycin C is placed into the myringotomy site created by the laser.
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3

Estrem, Scott A., and Terry J. Baker. "Preapplication of mitomycin C for enhanced patency of myringotomy." Otolaryngology–Head and Neck Surgery 122, no. 3 (2000): 346–48. http://dx.doi.org/10.1067/mhn.2000.101957.

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OBJECTIVES Ventilation tubes are the mainstay of surgical treatment for eustachian tube dysfunction and have been used successfully for many years. Certain disadvantages of ventilation tubes, however, have prompted research into alternative techniques including laser myringotomy. We investigated the use of KTP laser myringotomy in conjunction with topical mitomycin C to delay healing and prolong the patency of the myringotomy. METHODS Twenty myringotomies were created in 10 Sprague-Dawley rats. A solution of mitomycin C was applied to the intact tympanic membrane for 15 minutes. The solution was then suctioned free, and a myringotomy was created with a KTP laser. Fifty-three rats with saline application serving as controls from a previous study were used to allow statistical assessment. RESULTS The myringotomies remained open for a median of 9.5 weeks. Control myringotomies, which received saline solution instead of mitomycin C, healed within a median of 1.5 weeks. The difference was statistically significant at P < 0.0001. No complications were noted. CONCLUSION Topically administered mitomycin C before laser myringotomy is effective in prolonging the patency of laser myringotomies in rats. The patency rate is similar to that achieved in experiments in which topical mitomycin C is placed into the myringotomy site created by the laser.
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4

Bouassiba, Cosima, and Wolfgang Osthold. "Die Myringotomie bei Hund und Katze – ein einfaches Verfahren für die Praxis." veterinär spiegel 24, no. 01 (2014): 12–17. http://dx.doi.org/10.1055/s-0034-1368174.

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5

Magnuson, Karin, Ann Hermansson, and Sten Hellström. "Healing of Tympanic Membrane after Myringotomy during Streptococcus Pneumoniae Otitis Media an Otomicroscopic and Histologic Study in the Rat." Annals of Otology, Rhinology & Laryngology 105, no. 5 (1996): 397–404. http://dx.doi.org/10.1177/000348949610500513.

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The purpose of our study was to elucidate the course of healing of the tympanic membrane (TM) when myringotomy was performed during acute otitis media. The early and long-lasting structural changes of the TM were studied in an animal model. Rats were inoculated with Streptococcus pneumoniae (PnC) type 3 in the bulla. When the infection was manifest, myringotomy was performed. On days 4 and 12, and 3 and 6 months after myringotomy, the TM status was checked by otomicroscopy and TMs were prepared for light and electron microscopy. Comparison was made with PnC-infected TMs that were not perforated, as well as myringotomized noninfected TMs. The infection resolved more slowly in myringotomized ears compared to PnC-infected ears that were left untouched. After 6 months, the pars tensa of the myringotomized infected ears was thickened and showed a disorganized collagen structure, compared with myringotomized noninfected ears, in which TMs were normalized. The PnC-infected TMs without myringotomy were completely normalized after 2 months. We conclude that a combination of bacterial infection and myringotomy causes long-lasting changes in TM structure. This impaired structure of the connective tissue could be of importance in chronic middle ear disease as a presumptive site for retraction and perforation of the TM.
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6

Alzbutienė, Giedrė, Ann Hermansson, Per Cayè-Thomasen, and Vytenis Kinduris. "Tympanic membrane changes in experimental acute otitis media and myringotomy." Medicina 44, no. 4 (2008): 313. http://dx.doi.org/10.3390/medicina44040041.

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Objective. The present experimental study explored pathomorphological changes and calcium depositions in the tympanic membrane during experimental acute otitis media caused by nontypeable Haemophilus influenzae in myringotomized and nonmyringotomized ears. Material and methods. A rat model of experimental acute otitis media caused by nontypeable Haemophilus influenzae was employed. Sixteen Sprague-Dawley rats were used. Four days following middle ear inoculation, a bilateral myringotomy was performed in six randomly selected animals. Another group of 10 animals was inoculated only. On days 4, 7, 14, and 28 after inoculation, two animals from each group were sacrificed. The temporal bones were removed and the tympanic membranes were dissected, followed by paraffin embedding. Adjacent sections were stained with PAS-alcian blue for basic histopathological observations and by von Kossa method for determination of calcium phosphate depositions. Results. Particularly intense invasion of polymorphonuclear neutrophil leukocytes was seen on day 4 after inoculation. The highest infiltration of macrophages was observed on day 7. The peak number of lymphocytes was seen on day 14. No difference occurred in the number of polymorphonuclear leukocytes in myringotomized and nonmyringotomized tympanic membranes. The infiltration with lymphocytes and activated macrophages in all parts of the myringotomized tympanic membranes was statistically significantly higher than in the nonmyringotomized animals. The total amount of interstitial calcium phosphate depositions during days 7, 14, and 28 of study was statistically higher in the sections of pars tensa from myringotomized membranes compared to the nonmyringotomized membranes. Conclusion. Nontypeable Haemophilus influenzae-induced acute otitis media and myringotomy provoke more extensive inflammatory reaction with microcalcification in the tympanic membranes.
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7

Mason, J. D. T., S. M. Mason, and K. P. Gibbin. "Raised ABR threshold after suction aspiration of glue from the middle ear: three case studies." Journal of Laryngology & Otology 109, no. 8 (1995): 726–28. http://dx.doi.org/10.1017/s0022215100131159.

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AbstractBetween 1991 and 1993, 13 children (25 hearing ears) underwent recordings of the auditory brain stem response (ABR) under a general anaesthetic. The anaesthetic technique was similar for each child. Fourteen of these ears had fluid aspirated after myringotomy with insertion of grommets prior to the auditory brain stem response investigation. On subsequent hearing assessment six of these 14 ears (43 per cent) showed clear evidence of a threshold shift of 15 dB or greater. Eleven ears had either dry myringotomies or did not have a myringotomy prior to ABR and none of these showed evidence of a temporary threshold shift. Using Fisher's Exact probability test this difference is significant (p = 0.034). We feel it is important to report these observations so that unexpected high ABR thresholds following aspiration of glue are interpreted with caution.
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8

Henney, S., P. Counter, S. Mirza, P. Gedling, and C. Watson. "Pre-operative prediction of ‘dry taps’." Journal of Laryngology & Otology 123, no. 1 (2008): 61–68. http://dx.doi.org/10.1017/s002221510800220x.

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AbstractObjectives:The treatment of children with ‘glue ear’ often presents surgeons with the question of whether or not to insert a grommet when myringotomy reveals no fluid in the middle ear. We present a study designed to assess which factors contribute to the presence of a ‘dry tap’.Design:We prospectively gathered data from a cohort of 280 children (504 myringotomies). The cohort included two subgroups, one received halothane and nitrous oxide anaesthesia, and the other received enflurane anaesthesia.Setting:The ENT department of a district general hospital.Participants:Children (aged less than 17 years) requiring myringotomy.Main outcome measures:The presence of a ‘glue’ or dry tap at myringotomy was documented. We also recorded data on the following: pre- and post-induction tympanometry; age; season; anaesthetic type; and the delay from listing to actual operation.Results:A non type B pre-induction tympanogram and delay to operation were strong indications of finding a dry tap at surgery.Conclusions:In our study population, the proportion of dry taps at myringotomy was 18 per cent. The presence of a dry tap was rarely due to the induction of anaesthesia. Multivariate analysis revealed that the combination of factors most likely to predict a dry tap were non type B tympanogram and delay to operation.
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9

Rivron, R. P. "Bifid uvula: Prevalence and association in otitis media with effustion inchildren admitted for routing otolaryngological operations." Journal of Laryngology & Otology 103, no. 3 (1989): 249–52. http://dx.doi.org/10.1017/s002221510010862x.

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AbstractOver a six month period, 709 children admitted for routine ENT operations were surveyed with regard to the presence of a bifid uvula as seen whilst under a general anaesthetic. The prevalence was found to be 7.5 per cent (53:709) which is higher than other published figures for a Caucasian population. There was a statistically significant male predominance (2.5:1). Comparision between those children found to have otitis media with effusion at operation and those having dry myringotomies, or operations not including myringotomy, revealed a similar prevalence of bifid uvula. Thus, this data does not support the hypothesis that bifid uvula as a microform of cleft palate is associated with an increased incidence of otitis media with effusion.
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10

Vuralkan, E., S. Alicura Tokgöz, G. Simsek, et al. "Effect of local use of l-carnitine after myringotomy on myringosclerosis development in rats." Journal of Laryngology & Otology 127, no. 5 (2013): 468–72. http://dx.doi.org/10.1017/s002221511300056x.

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AbstractObjectives:This study aimed to investigate the effect of local and intraperitoneal administration of l-carnitine on the prevention of experimentally induced myringosclerosis, and to compare treatment efficiency.Methods:Twenty-four Albino-Wistar rats (48 ears) were bilaterally myringotomised and divided randomly into four groups: group one received no treatment, group two received intraperitoneal l-carnitine, group three received local l-carnitine, and group four received both intraperitoneal and local l-carnitine. On the 15th day after treatment, tympanic membranes were harvested and evaluated histopathologically for myringosclerotic plaque formation, fibroblastic proliferation, tympanic membrane thickness and new vessel formation.Results:The group one tympanic membranes showed extensive thickness, and the incidence of myringosclerosis and fibroblast proliferation were greater than in groups two and four. There were statistically significant differences in tympanic membrane thickness between groups three and four, and in myringosclerosis incidence and fibroblast proliferation, comparing groups two, three and four.Conclusion:Myringosclerosis development was significantly reduced in rats receiving myringotomy plus intraperitoneal l-carnitine. Intraperitoneal l-carnitine administration prevented fibroblastic proliferation and tympanic membrane thickening (both of which cause further tympanic membrane destruction), thus reducing myringotomy-associated morbidity. Local l-carnitine administration had limited effectiveness in this experimental setting.
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11

Genc, G., M. Koyuncu, G. Kutlar, et al. "Does systemic clarithromycin therapy have an inhibitory effect on tympanosclerosis? An experimental animal study." Journal of Laryngology & Otology 129, no. 2 (2015): 136–41. http://dx.doi.org/10.1017/s0022215114003430.

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AbstractObjective:To demonstrate the inhibitory effects of clarithromycin on in vitro tympanosclerosis.Method:Twenty-eight rats were divided into three groups: a clarithromycin group, a non-clarithromycin group and a negative control group. Those in the first two groups were injected with Streptococcus pneumoniae following a myringotomy, and tympanosclerosis was experimentally induced. Oral clarithromycin therapy was administered in the clarithromycin group. The other groups received no medical treatment.Results:All eardrums in the clarithromycin and non-clarithromycin groups developed myringosclerosis, but there was only one eardrum, in the clarithromycin group, with very severe myringosclerosis. In the clarithromycin group, 11 ears showed no inflammation and there were no ears with severe inflammation. In the non-clarithromycin group, there were 11 ears with severe inflammation. The mean eardrum thickness in the clarithromycin group was 20.93 µm and in the non-clarithromycin group it was 42.71 µm.Conclusion:Acute otitis media and myringotomies induced tympanosclerosis, but clarithromycin reduced the severity of tympanosclerosis.
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12

Hussain, Altaf, Wajahat Ullah Bangash, Muhammad Ismail Khan, Muhammad Afaq Ali, Ali Khan, and Muhammad Ibrahim. "FREQUENCY OF OTITIS MEDIA WITH EFFUSION IN CLEFT PALATE CHILDREN." Gomal Journal of Medical Sciences 17, no. 2 (2019): 52–55. http://dx.doi.org/10.46903/gjms/17.02.2052.

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Background: Children with cleft palate oftenly present with otitis media with effusion. The objective of this study was to determine the frequency of otitis media with effusion among cleft palate children. Material & Methods: This cross-sectional study was carried out in the Department of ENT, Pakistan Institute of Medical Sciences, Islamabad, Pakistan from June 2017 to December 2018. Ninety patients were selected through consecutive sampling technique. All children 3-10 years of age with cleft palate were included. Patients with combined cleft palate and cleft lip were excluded. All patients underwent otoscopy and tympanometry. Type B tympanogram was considered as evidence of fluid in the middle ear. Later on patients with only Type B tympanogram underwent myringotomies. Results: Out of 90 (180 ears) patients 61 (67.78%) were males and 29 (32.22%) females. Mean age of the sample was 6.15±2.226 years (3-10, range 7 years). On otoscopic examination, 107/180 (59.45%) ears were suspected to have fluid in the middle ear. Type B tympanogram was detected in 125/180 (69.45%) ears. Only 38/90 (42.20%) patients (76/180 ears), underwent pure tone audiometry. Based on otoscopic, tympanometric and audiometric findings, myringotomies were performed in 125/180 (69.45%) ears. At myringotomy fluid was present in middle ear space of 98/180 (78.4%) ears. Out of total 180 ears the true frequency of otitis media with effusion was 98/180 (54.45%). Conclusions: The frequency of otitis media with effusion in patients with cleft palate is high. Tympanometry is fairly sensitive in diagnosing this condition in these patients.
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13

Juhn, Steven K., William J. Garvis, Chap T. Le, Chris J. Lees, and C. S. Kim. "Determining Otitis Media Severity from Middle Ear Fluid Analysis." Annals of Otology, Rhinology & Laryngology 103, no. 5_suppl (1994): 43–45. http://dx.doi.org/10.1177/00034894941030s512.

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Otitis media has a complex multifactorial pathogenesis, and the middle ear inflammatory response is typified by the accumulation of cellular and chemical mediators in middle ear effusion. However, specific biochemical and immunochemical factors that may be responsible for the severity or chronicity of otitis media have not been identified. Identification of factors involved in chronicity appears to be an essential step in the treatment and ultimate prevention of chronic otitis media. We analyzed 70 effusion samples from patients 1 to 10 years of age who had chronic otitis media with effusion for two cytokines (interleukrn-1β and tumor necrosis factor α) and total collagenase. The highest concentrations of all three inflammatory mediators were found in purulent otitis media, and concentrations were higher in younger than in older patients. Mediator concentrations were similar in samples obtained from patients having their first myringotomy for otitis media with effusion and in those who had had multiple previous myringotomies. The multiresponse star, which incorporates several biochemical parameters in one graphic illustration, may best characterize the complex nature of middle ear inflammation.
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14

Görür, Kemal, Cengiz Özcan, Ayse Polat, Murat Ünal, Lülüfer Tamer, and İsmail Cinel. "The anti-oxidant and anti-apoptotic activities of selenium in the prevention of myringosclerosis in rats." Journal of Laryngology & Otology 116, no. 6 (2002): 426–29. http://dx.doi.org/10.1258/0022215021911202.

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The possible effect of selenium on the prevention or reduction in occurrence of myringosclerosis was investigated. Fifteen rats were myringotomized bilaterally and separated into two groups. Nine rats were treated with selenium in the study group. Six rats were administered physiological serum and formed the control group. The occurrence of myringosclerotic lesions and anti-apoptotic activity in the tympanic membranes of the two groups were compared otomicroscopically and histopathologically. The sclerosis was occasional in three, moderate in five and severe in three tympanic membranes in the control group. On the other hand sclerosis was observed in only two of 18 specimens in the study group and sclerosis was seen only occasionally in these two sections. Although Bcl-2 staining, which indicates apoptosis, was not statistically different between the groups, it was observed that apoptosis was slightly more apparent in the study group (eight of 18 tympanic membranes versus two of 12 tympanic membranes in the control group). In conclusion, the formation of myringosclerosis following myringotomy in rats can be reduced by intraperitoneal selenium administration.
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15

Ruckley, R. W., and R. L. Blair. "Thermal myringotomy." Journal of Laryngology & Otology 102, no. 2 (1988): 125–28. http://dx.doi.org/10.1017/s0022215100104293.

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AbstractThirty-six children with bilateral secretory otitis media were treated by thermal myringotomy and middle ear aspiration in one ear, and conventional myringotomy, middle ear aspiration and Shepard grommet insertion in the other ear. All children underwent adenoidectomy. Comparing the effectiveness of the two different procedures over a three-month review period, our main findings are as follows. All thermal perforations were closed by 42 days. Elimination of middle ear fluid was achieved in 81 per cent of the thermal myringotomy group, and in 100 per cent of the grommet group. While there was no significant difference in the hearing improvement between the procedures, conventional myringotomy and grommet insertion provided significantly better sustained middle ear ventilation.
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16

Lau, Pauline, Clough Shelton, and Richard L. Goode. "HEAT MYRINGOTOMY." Laryngoscope 95, no. 1 (1985): 38???42. http://dx.doi.org/10.1288/00005537-198501000-00011.

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17

De Leon, Rozelle O., and Jay Pee M. Amable. "Optical Myringotomy Knife." Philippine Journal of Otolaryngology-Head and Neck Surgery 32, no. 1 (2017): 51–54. http://dx.doi.org/10.32412/pjohns.v32i1.191.

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Objective: To describe an improvised optical myringotomy knife essential in creation of an incision in a myringotomy simulator.
 Methods:
 Study Design: Instrumental Innovation
 Setting: Tertiary Private Hospital
 Subject: None
 Results: The optical myringotomy knife was able to create incisions on mock membranes made up of polyethylene film (Cling Wrap) in a myringotomy simulator. The incisions measured approximately 2 mm with sharp edges indicating that the myringotomy knife was able to penetrate the mock membrane with ease. It provided good control in performing myringotomy incisions under endoscopic visualization of the tympanic membrane. 
 Conclusion: Our initial experience with this optical myringotomy knife for tympanostomy tube insertion suggests that it may greatly improve the performance of myringotomy especially among less experienced surgeons. Further studies may establish its accuracy and replicability in vitro, after which formal in vivo trials can be attempted.
 
 Keywords: tympanostomy, middle ear ventilation, endoscopy, instrumentation
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18

Young, Yi-Ho, and Ying-Chih Lu. "Mechanism of Hearing Loss in Irradiated Ears: A Long-Term Longitudinal Study." Annals of Otology, Rhinology & Laryngology 110, no. 10 (2001): 904–6. http://dx.doi.org/10.1177/000348940111001002.

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A 10-year longitudinal follow-up study of hearing was conducted in patients with nasopharyngeal carcinoma (NPC) in order to elucidate the mechanism of hearing loss in irradiated ears. Ten NPC patients were subjected to a battery of audiological tests before irradiation and 6 months, 5 years, and 10 years after irradiation. The tests included pure tone audiometry, tympanometry, eustachian tube function testing, and myringotomy to confirm middle ear effusion. The prevalences of otitis media with effusion (OME) were 25%, 25%, 40%, and 25% at the 4 testing periods described above, respectively. The prevalences of chronic otitis media were 0%, 0%, 15%, and 25%, respectively. In myringotomized ears (n = 17), the mean hearing levels for both air conduction and bone conduction were preserved from the preirradiation period to 10 years after irradiation. In contrast, in grommeted ears (n = 3), the mean hearing levels for both air conduction and bone conduction deteriorated progressively from the preirradiation period to 10 years after irradiation. We conclude that hearing can be preserved in NPC patients 10 years after irradiation if middle ear inflammation is well controlled. We do not recommend grommet insertion in irradiated NPC patients with OME, as it may result in persistent otorrhea and hearing deterioration.
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19

Tuaño-Uy, Melita Jesusa Suga, and Norberto V. Martinez. "Model Myringotomy Practice Set: A do-it-yourself and inexpensive alternative." Philippine Journal of Otolaryngology-Head and Neck Surgery 23, no. 1 (2008): 31–34. http://dx.doi.org/10.32412/pjohns.v23i1.771.

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Objective: To develop a simple, portable, inexpensive model for otolaryngology trainees to practice on and develop skills required for myringotomy and tympanostomy tube insertion.
 Materials and Methods: Recycled plastic egg crate, a 3-cc plastic syringe, micropore™ tape and modeling clay were used to create a model to practice myringotomy and tympanostomy tube insertion utilizing tubes fashioned from a recycled 18 guage intravenous catheter.
 Result: The model myringotomy practice set is an inexpensive, simple do-it-yourself device made of locally available, mostly recycled materials.
 
 Key words: myringotomy practice set, myringotomy, middle ear ventilation, tympanostomy, tympanostomy tube insertion, instrumentation
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20

Cinar, Fikret, M. Birol Ugur, and Lokman Uzun. "Could radiofrequency myringotomy be an alternative to incisional myringotomy?" International Journal of Pediatric Otorhinolaryngology 72, no. 10 (2008): 1493–96. http://dx.doi.org/10.1016/j.ijporl.2008.06.020.

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21

Pudukulangara, Shruthi, Somanath B. Megalamani, and Ravindra P. Gadag. "A study to compare the outcomes of laser myringotomy and conventional incision myringotomy." International Journal of Otorhinolaryngology and Head and Neck Surgery 6, no. 11 (2020): 2081. http://dx.doi.org/10.18203/issn.2454-5929.ijohns20204462.

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<p class="abstract"><strong>Background:</strong> The objective of the study was to compare the outcomes of laser myringotomy and incision myringotomy in terms of operating time, patency of opening, hearing improvement, and disease recurrence.</p><p class="abstract"><strong>Methods:</strong> This study is a prospective study done among 35 children and 68 ears. All cases which were diagnosed to have otitis media with effusion were randomly assigned into two groups: group 1 was treated with diode laser myringotomy and group 2 was treated with conventional incision myringotomy without grommet insertion. These patients were followed up at regular intervals and compared in terms of operating time, patency of opening, recurrence of disease and hearing improvement. </p><p class="abstract"><strong>Results:</strong> Diode laser myringotomy took an average operating time of 6.38 minutes and the patency of opening was maintained for an average of 13.59 days, compared to the average operating time for incision myringotomy of 9 minutes, and the patency of opening being 12.35 days. These differences were statistically significant (p<0.0001 for operating time and p=0.041 for patency of opening). Hearing improvement was also found to be better in laser myringotomy group (p=0.021). </p><p class="abstract"><strong>Conclusions:</strong> Diode laser myringotomy is an effective, easy and less time-consuming modality than incision myringotomy for the treatment of otitis media with effusion. </p>
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22

Gonzalez, Dani O., Jennifer N. Cooper, Peter C. Minneci, Katherine J. Deans, and Daryl McLeod. "Reducing the Number of Anesthetic Exposures in the Early Years of Life: Circumcision and Myringotomy as an Example." Clinical Pediatrics 57, no. 3 (2017): 335–40. http://dx.doi.org/10.1177/0009922817727466.

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Evidence suggests multiple anesthetics in early childhood may increase risk for neurodevelopmental injury. We evaluated proportions of children undergoing circumcision and myringotomy, concomitantly with or prior to circumcision, and compared costs between groups. The Pediatric Health Information System was queried for males aged 6 to 36 months who underwent circumcision in 2009-2014. Relative to circumcision, the proportion who underwent myringotomy previously, concomitantly, or both, was calculated. Of 29 789 patients who underwent circumcision, 822 also underwent myringotomy; 342 (41.6%) underwent myringotomy on a previous day, and 480 (58.4%) underwent myringotomy at time of circumcision. Total hospital costs were lower for concomitant procedures (median $2994 vs $4609, P < .001. In total, 58.4% of patients who underwent circumcision and myringotomy did so concomitantly. Combined procedures resulted in significantly reduced costs and potentially minimized neurocognitive risk. Ideally, both referring pediatricians and surgical specialists should inquire about other surgical needs to optimize the availability of concomitant procedures.
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Bower, Charles, and Milton Waner. "Laser assisted myringotomy." Current Opinion in Otolaryngology & Head and Neck Surgery 7, no. 6 (1999): 335. http://dx.doi.org/10.1097/00020840-199912000-00007.

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24

Petersen, R. J. "Testing Before Myringotomy." Archives of Otolaryngology - Head and Neck Surgery 120, no. 4 (1994): 483. http://dx.doi.org/10.1001/archotol.1994.01880280097021.

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25

Fish, B. M., A. R. Banerjee, C. R. Jennings, I. Frain, and A. A. Narula. "Effect of anaesthetic agents on tympanometry and middle-ear effusions." Journal of Laryngology & Otology 114, no. 5 (2000): 336–38. http://dx.doi.org/10.1258/0022215001905733.

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Following informed parental consent 93 children underwent bilateral grommet insertion. Tympanometry was performed pre-operatively, and immediately prior to myringotomy. A standardized anaesthetic was used. At myringotomy the presence or absence of fluid was recorded, as well as the time since induction of the general anaesthetic.A pre-operative type B tympanogram predicted a middle-ear effusion at myringotomy in 92 per cent of patients. A pre-operative type C2 tympanogram predicted a middle-ear effusion at myringotomy in 39 per cent of patients. Sixty tympanograms (30 per cent) changed following a general anaesthetic. Fourteen type B tympanograms changed to type A and eight of these had effusions. The duration of the general anaesthetic did not influence the probability of a middle-ear effusion being present at myringotomy. A pre-operative type B tympanogram is a good predictor of middle-ear fluid. The duration of the general anaesthetic is not significant in predicting the presence of a middle-ear effusion.
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26

Andrews, Chakramakal Joseph, and Raveendran Krishnan Rahul. "Effect of myringotomy as an office procedure on the clinical course of acute otitis media: a retrospective study." International Journal of Otorhinolaryngology and Head and Neck Surgery 3, no. 3 (2017): 646. http://dx.doi.org/10.18203/issn.2454-5929.ijohns20173040.

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<p class="abstract"><strong>Background:</strong> <span lang="EN-IN">A retrospective study was conducted to find out the effect of office myringotomy on clinical course of acute otitis media (AOM). </span></p><p class="abstract"><strong>Methods:</strong> <span lang="EN-IN">Patients with signs and symptoms of AOM who underwent office myringotomy were included in the study. The clinical course such as pain, blocked sensation, relief of blocked feeling, hearing improvement, fever, discharge and residual perforation (5 and 14 days) were evaluated after the office myringotomy and compared. </span></p><p class="abstract"><strong>Results:</strong> <span lang="EN-IN">Total 20 patients (10 females and 10 males of age between 5 to 30) were included in study. Among the total patients 12 were below <18 years age and remaining were above 18 years. The overall morbidity of these patients such as pain, blocked sensation and discharge was reduced after the office myringotomy. Furthermore, the residual perforation was absent during the end of 2<sup>nd</sup> week of post myringotomy. No discharge was found after the myringotomy. </span></p><p class="abstract"><strong>Conclusions:</strong> <span lang="EN-IN">Simple myringotomy with five day course of antibiotic provides more symptomatic relief. The overall morbidity was less after the procedure. This indicates the requirement of myringotomy as an outpatient procedure in suitable patients.</span></p>
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27

Englender, M., E. Somech, and M. Harell. "Laser Myringotomy (L-Myringotomy) and Ventilating Tubes: A Preliminary Comparative Study." Lasers in Medical Science 14, no. 1 (1999): 62–66. http://dx.doi.org/10.1007/s101030050022.

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28

Amable, Jay Pee M., and Lily L. Sia-Vargas. "A Myringotomy and Ventilating Tube Applicator: New Look at a Five-Century-Old Procedure." Philippine Journal of Otolaryngology-Head and Neck Surgery 30, no. 2 (2015): 50–55. http://dx.doi.org/10.32412/pjohns.v30i2.355.

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Objective: To fabricate a single instrument that can be used to perform myringotomy and insert a pressure equalizing tube at almost the same time.
 
 Methods: 
 Study Design: Surgical Instrumentation
 Setting: Tertiary Private Hospital
 Subject: A chicken egg membrane was used as a tympanic membrane model
 
 Result: The fabricated instrument was able to perforate the egg membrane and apply the modified polyethylene pressure equalizing tube in less than one minute without complications.
 
 Conclusion: The prototype applicator can facilitate myringotomy and pressure equalizing (PE) tube insertion at only a fraction of the time it usually takes to do the standard myringotomy and subsequent ventilating tube insertion.
 
 Keywords: Myringotomy, pressure equalizing tube, ventilating tube, acute otitis media, otitis media with effusion, polyethylene tube
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29

Mandour, Yasser Mohammad Hassan, and Mohamed Elsayed. "Effect of local vitamin E versus local dexamethasone on prevention of myringosclerosis." International Journal of Otorhinolaryngology and Head and Neck Surgery 4, no. 4 (2018): 880. http://dx.doi.org/10.18203/issn.2454-5929.ijohns20182696.

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<p class="abstract"><strong>Background:</strong> The objective of the study was to compare between effect of local vitamin E and local dexamethasone on prevention of myringosclerosis induced by ventilation tube in human tympanic membranes.</p><p class="abstract"><strong>Methods:</strong> 90 children undergoing myringotomy with ventilation tube insertion were divided into 3 groups: group-I: 30 children undergoing myringotomy with ventilation tube insertion only, group-II: 30 children under- going myringotomy with ventilation tube insertion with use of local vit E, group-III: 30 children under going myringotomy with ventilation tube insertion with use of local dexamethasone. </p><p class="abstract"><strong>Results:</strong> The incidence of myringosclerosis occurance with otoscopic and microscopic examination was lesser in group 2 (6 ears) in which local vit E was applied than group 3 (11 ears) in which local dexamethasone was applied and also than group1 in which no local medication was applied (21 ears).</p><p><strong>Conclusions:</strong> In this study results suggest that applying local vit E in children under going myringotomy with ventilation tube insertion more effective than use of local dexamethasone in children undergoing myringotomy with ventilation tube insertion on limiting the intensity and prevalence of myringosclerosis. </p>
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30

Raman, R., and O. Rahmat. "Grommet insertion using a branula." Journal of Laryngology & Otology 122, no. 7 (2008): 735–36. http://dx.doi.org/10.1017/s0022215108001928.

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AbstractObjective:To develop an easy method of performing myringotomy and grommet insertion, using minimal instruments.Methods:An ear speculum and a branula were used.Results:This method was found to be useful.Conclusion:An easy method of performing myringotomy and grommet insertion is proposed.
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31

Okuno, Taeko, Yasuya Nomura, Tsuneo Chinzei, and Iwao Fujimasa. "Myringotomy using semiconductor laser." JOURNAL OF JAPAN SOCIETY FOR LASER SURGERY AND MEDICINE 11, Supplement (1990): 689–92. http://dx.doi.org/10.2530/jslsm1980.11.supplement_689.

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32

Abu-Kishk, Ibrahim, Sorin Stolero, Baruch Klin, and Gad Lotan. "Myringotomy Knife for Pyloromyotomy." Surgical Laparoscopy, Endoscopy & Percutaneous Techniques 20, no. 2 (2010): e47-e49. http://dx.doi.org/10.1097/sle.0b013e3181d838aa.

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33

Valtonen, Hannu J., Dennis S. Poe, and Stanley M. Shapshay. "Experimental Co2 Laser Myringotomy." Otolaryngology–Head and Neck Surgery 125, no. 3 (2001): 161–65. http://dx.doi.org/10.1067/mhn.2001.117866.

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34

Ghosh, A. "Myringotomy in traumatic haemotympanum." Emergency Medicine Journal 23, no. 10 (2006): 805–6. http://dx.doi.org/10.1136/emj.2006.041111.

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35

Leuin, Shelby C., Jason Handwerker, James D. Rabinov, and Dennis S. Poe. "Carotid laceration during myringotomy." Otolaryngology–Head and Neck Surgery 140, no. 6 (2009): 946–47. http://dx.doi.org/10.1016/j.otohns.2008.12.019.

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36

Ker, Liang, Chew Lip Ng, Felix Austin, and Delane Foo. "Myringotomy Ear Simulation Model." Otolaryngology–Head and Neck Surgery 151, no. 1_suppl (2014): P151. http://dx.doi.org/10.1177/0194599814541629a45.

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37

Goldsmith, Manning M. "The Punch Myringotomy System." Otolaryngology–Head and Neck Surgery 100, no. 6 (1989): 642–43. http://dx.doi.org/10.1177/019459988910000626.

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38

Kahya, V., A. Meric, M. Yazici, M. Yuksel, A. Midi, and O. Gedikli. "Antioxidant effect of pomegranate extract in reducing acute inflammation due to myringotomy." Journal of Laryngology & Otology 125, no. 4 (2011): 370–75. http://dx.doi.org/10.1017/s002221511000263x.

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AbstractObjective:To assess the effect of pomegranate extract on acute inflammation due to myringotomy.Design:Prospective, randomised study.Subjects:Thirty Sprague–Dawley rats were divided into three groups. Group one constituted controls. Group two underwent myringotomy. Group three underwent myringotomy and also received 100 µl/day pomegranate extract, via gavage, one day before and two days after surgery. Following sacrifice 48 hours after myringotomy, the animals' right ears were used to determine the concentration of reactive oxygen species, using the chemiluminescence method; left ears were used for histological study.Results:Reactive oxygen species levels were significantly decreased in group three compared with group two (p < 0.01). The density of inflammatory cells in group three was significantly less than that in group two (p < 0.01). Lamina propria thickness and vessel density were also significantly decreased in group three compared with group two (p < 0.01).Conclusion:Our results indicate that oral pomegranate extract decreases reactive oxygen species concentration and acute inflammation in the tympanic membrane after myringotomy.
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39

Ikeda, Shunya, Nobuaki Tsuchihashi, Nobuko Kawashiro, and Jin Kanzaki. "Management of Acute Otitis Media: Assessment of Therapeutic Strategy in Japan Today." International Journal of Technology Assessment in Health Care 10, no. 3 (1994): 426–35. http://dx.doi.org/10.1017/s0266462300006656.

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AbstractCurrently, myringotomy is widely used in the routine initial treatment of acute otitis media in Japan. In an attempt to evaluate the validity of this strategy, a number of issues that demand reassessment or clarification have been identified. These issues and factors contributing to the persisting uncertainty about myringotomy are examined.
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40

Jardine, A. H., A. R. Maw, and S. Coulton. "Dry tap at myringotomy: a three-year study of 1688 children undergoing myringotomy." Clinical Otolaryngology and Allied Sciences 24, no. 4 (1999): 266–69. http://dx.doi.org/10.1046/j.1365-2273.1999.00240.x.

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41

Poyrazoglu, Ethem, Hakan Cincik, Atila Gungor, Berk Gurpinar, Sükrü Yildirim, and Hasan Candan. "The effects of incisional myringotomy and CO2 laser myringotomy on rat tympanic membranes." International Journal of Pediatric Otorhinolaryngology 68, no. 6 (2004): 811–15. http://dx.doi.org/10.1016/j.ijporl.2004.01.018.

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42

Michot, Audrey, Benoit Chaput, Elias Sawaya, and Aurelien Rousvoal. "Use of a Myringotome for Percutaneous Fasciotomies." Plastic and Reconstructive Surgery - Global Open 3, no. 4 (2015): e374. http://dx.doi.org/10.1097/gox.0000000000000290.

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43

Raine, N. M. N., G. Ahmed, H. B. Whittet, and R. Ryan. "Outpatient myringotomy with EMLA anaesthesia." Minimally Invasive Therapy 3, no. 2 (1994): 117–20. http://dx.doi.org/10.3109/13645709409153011.

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44

Hoffman, Ronald A., and Chun-Lun J. Li. "Tetracaine Topical Anesthesia for Myringotomy." Laryngoscope 111, no. 9 (2001): 1636–38. http://dx.doi.org/10.1097/00005537-200109000-00027.

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45

Kent, S. E., and P. H. Ryhs-Evans. "Thremal myringotomy in guinea pies." Journal of Laryngology & Otology 101, no. 2 (1987): 103–15. http://dx.doi.org/10.1017/s0022215100101355.

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46

Rimmer, J., C. E. B. Giddings, and N. Weir. "History of myringotomy and grommets." Journal of Laryngology & Otology 121, no. 10 (2007): 911–16. http://dx.doi.org/10.1017/s0022215107009176.

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The first recorded myringotomy was in 1649. Astley Cooper presented two papers to the Royal Society in 1801, based on his observation that myringotomy could improve hearing. Widespread inappropriate use of the procedure followed, with no benefit to patients; this led to it falling from favour for many decades. Hermann Schwartze reintroduced myringotomy later in the nineteenth century. It had been realised earlier that the tympanic membrane heals spontaneously, and much experimentation took place in attempting to keep the perforation open. The first described grommet was made of gold foil. Other materials were tried, including Politzer's attempts with rubber. Armstrong's vinyl tube effectively reintroduced grommets into current practice last century. There have been many eponymous variants, but the underlying principle of creating a perforation and maintaining it with a ventilation tube has remained unchanged. Recent studies have cast doubt over the long-term benefits of grommet insertion; is this the end of the third era?
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47

Abou-Elhamd, Kamal-Eldin Ahmed. "Telescopic myringotomy and tube application." Journal of Laryngology & Otology 114, no. 8 (2000): 581–83. http://dx.doi.org/10.1258/0022215001906453.

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Otoendoscopy is a new technique in otological surgery. The traditional surgery for otitis media with effusion (OME) is myringotomy and tube insertion using an operating microscope. In 45 children and five adults presenting to our department with otitis media with effusion, rigid endoscopic myringotomy and grommet tube insertion were performed using 2.7 mm diameter and 0 and 30 angle telescopes under general anaesthesia for children and local anaesthesia for adults. The use of rigid endoscopes provides a large field of view, that is of excellent resolution and fidelity of colour as well as giving good side views. It can be performed in the out-patient clinic with little inconvenience to the patient and minimal risks.
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48

Guldberg, O. F. "A New Anesthetic for Myringotomy." Archives of Otolaryngology - Head and Neck Surgery 119, no. 12 (1993): 1384. http://dx.doi.org/10.1001/archotol.1993.01880240124022.

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49

Jensen, Jørgen Hedegaard. "Perilymph Fistulas Caused by Myringotomy." ORL 48, no. 5 (1986): 293–96. http://dx.doi.org/10.1159/000275885.

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50

Long, Sarah, Mark John Plested, Emma K. Mapletoft, Anette Loeffler, and Ross Bond. "Inadvertent catheterisation of the auditory tube during myringotomy in a dog." Veterinary Record Case Reports 8, no. 2 (2020): e001160. http://dx.doi.org/10.1136/vetreccr-2020-001160.

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A four-year-old female neutered Cocker Spaniel with a two-year history of relapsing bilateral otitis underwent general anaesthesia and myringotomy for the management of otitis media. This had been previously diagnosed using CT and video-otoscopy six weeks earlier. Due to the thickened and convex nature of the tympanum, the myringotomy incision was made in the caudodorsal quadrant of the tympanum and not the caudoventral quadrant as intended. The catheter advanced freely for several centimetres and air was aspirated. CT confirmed that the catheter had passed through the auditory tube and into the nasopharynx. To the authors’ knowledge, this is the first report of inadvertent auditory tube catheterisation during myringotomy in the dog. It highlights the importance of accurate catheter placement and the difficulties associated with this in thickened or bulging tympanic membranes.
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