Relevant bibliographies by topics / Rigid laryngoscopy

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Rigid laryngoscopy'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Rigid laryngoscopy"

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Hastings, Randolph H., A. Christopher Vigil, Richard Hanna, Bor-Yau Yang, and David J. Sartoris. "Cervical Spine Movement during Laryngoscopy with the Bullard, Macintosh, and Miller Laryngoscopes." Anesthesiology 82, no. 4 (April 1, 1995): 859–69. http://dx.doi.org/10.1097/00000542-199504000-00007.

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Background Direct laryngoscopy requires movement of the head, neck, and cervical spine. Spine movement may be limited for anatomic reasons or because of cervical spine injury. The Bullard laryngoscope, a rigid fiberoptic laryngoscope, may cause less neck flexion and head extension than conventional laryngoscopes. The purpose of this study was to compare head extension (measured externally), cervical spine extension (measured radiographically), and laryngeal view obtained with the Bullard, Macintosh, and Miller laryngoscopes. Methods Anesthesia was induced in 35 ASA 1-3 elective surgery patients. Patients lay on a rigid board with head in neutral position. Laryngoscopy was performed three times, changing between the Bullard, Macintosh, and Miller laryngoscopes. Head extension was measured with an angle finder attached to goggles worn by the patient. The best laryngeal view with each laryngoscope was assessed by the laryngoscopist. In eight patients, lateral cervical spine radiographs were taken before and during laryngoscopy with the Bullard and Macintosh blades. Results Median values for external head extension were 11 degrees, 10 degrees, and 2 degrees with the Macintosh, Miller, and Bullard laryngoscopy (P < 0.01), respectively. Significant reductions in radiographic cervical spine extension were found for the Bullard compared to the Macintosh blade at the atlantooccipital joint, atlantoaxial joint, and C3-C4. Median atlantooccipital extension angles were 6 degrees and 12 degrees for the Bullard and Macintosh laryngoscopes, respectively. The larynx could be exposed in all patients with the Bullard but only in 90% with conventional laryngoscope (P < 0.01). Conclusions The Bullard laryngoscope caused less head extension and cervical spine extension than conventional laryngoscopes and resulted in a better view. It may be useful in care of patients in whom cervical spine movement is limited or undesirable.
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Watts, Andrew D. J., Adrian W. Gelb, David B. Bach, and David M. Pelz. "Comparison of the Bullard and Macintosh Laryngoscopes for Endotracheal Intubation of Patients with a Potential Cervical Spine Injury." Anesthesiology 87, no. 6 (December 1, 1997): 1335–42. http://dx.doi.org/10.1097/00000542-199712000-00012.

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Background In the emergency trauma situation, in-line stabilization (ILS) of the cervical spine is used to reduce head and neck extension during laryngoscopy. The Bullard laryngoscope may result in less cervical spine movement than the Macintosh laryngoscope. The aim of this study was to compare cervical spine extension (measured radiographically) and time to intubation with the Bullard and Macintosh laryngoscopes during a simulated emergency with cervical spine precautions taken. Methods Twenty-nine patients requiring general anesthesia and endotracheal intubation were studied. Patients were placed on a rigid board and anesthesia was induced. Laryngoscopy was performed on four occasions: with the Bullard and Macintosh laryngoscopes both with and without manual ILS. Cricoid pressure was applied with ILS. To determine cervical spine extension, radiographs were exposed before and during laryngoscopy. Times to intubation and grade view of the larynx were also compared. Results Cervical spine extension (occiput-C5) was greatest with the Macintosh laryngoscope (25.9 degrees +/- 2.8 degrees). Extension was reduced when using the Macintosh laryngoscope with ILS (12.9 +/- 2.1 degrees) and the Bullard laryngoscope without stabilization (12.6 +/- 1.8 degrees; P < 0.05). Times to intubation were similar for the Macintosh laryngoscope with ILS (20.3 +/- 12.8 s) and for the Bullard without ILS (25.6 +/- 10.4 s). Manual ILS with the Bullard laryngoscope results in further reduction in cervical spine extension (5.6 +/- 1.5 degrees) but prolongs time to intubation (40.3 +/- 19.5 s; P < 0.05). Conclusions Cervical spine extension and time to intubation are similar for the Macintosh laryngoscope with ILS and the Bullard laryngoscope without ILS. However, time to intubation is significantly prolonged when the Bullard laryngoscope is used in a simulated emergency with cervical spine precautions taken. This suggests that the Bullard laryngoscope may be a useful adjunct to intubation of patients with potential cervical spine injury when time to intubation is not critical.
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Aziz, Michael. "Advances in Laryngoscopy." F1000Research 4 (December 8, 2015): 1410. http://dx.doi.org/10.12688/f1000research.7045.1.

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Recent technological advances have made airway management safer. Because difficult intubation remains challenging to predict, having tools readily available that can be used to manage a difficult airway in any setting is critical. Fortunately, video technology has resulted in improvements for intubation performance while using laryngoscopy by various means. These technologies have been applied to rigid optical stylets, flexible intubation scopes, and, most notably, rigid laryngoscopes. These tools have proven effective for the anticipated difficult airway as well as the unanticipated difficult airway.
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Sánchez-Morillo, Jorge, María J. Estruch-Pérez, Maria J. Hernández-Cádiz, José M. Tamarit-Conejeros, Lorena Gómez-Diago, and Maite Richart-Aznar. "Indirect Laryngoscopy With Rigid 70-Degree Laryngoscope as a Predictor of Difficult Direct Laryngoscopy." Acta Otorrinolaringologica (English Edition) 63, no. 4 (July 2012): 272–79. http://dx.doi.org/10.1016/j.otoeng.2012.07.003.

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Pott, Leonard M., and W. Bosseau Murray. "Review of video laryngoscopy and rigid fiberoptic laryngoscopy." Current Opinion in Anaesthesiology 21, no. 6 (December 2008): 750–58. http://dx.doi.org/10.1097/aco.0b013e3283184227.

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Vasan, N. R., E. Kosik, B. Collins, and M. Clampitt. "Surgeon-performed intubation in awake patients utilising an anterior commissure laryngoscope with bougie: a retrospective case series." Journal of Laryngology & Otology 133, no. 11 (October 31, 2019): 986–91. http://dx.doi.org/10.1017/s0022215119002214.

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AbstractObjectiveThis retrospective case series examined the outcomes of surgeon-performed intubation using the anterior commissure rigid laryngoscope and bougie in adults with a difficult airway, including awake patients.MethodsThis study comprised a series of adult patients who underwent surgeon-performed intubation over a 10-year period. They were identified by a records search for the Current Procedural Terminology (‘CPT’) code 31500 – ‘intubation by surgeon’.ResultsForty-nine intubations performed in the operating theatre were reviewed. Intubation performed by the surgeon using the rigid anterior commissure laryngoscope was successful in 47 of the cases (96 per cent). Over half of the patients had experienced failed intubation attempts with other methods by other providers prior to the surgeon performing direct laryngoscopy. Twenty intubations were performed without paralytics and with the patient awake.ConclusionIn properly selected adults who need an urgent, secure airway in the operating theatre, surgeon-performed anterior commissure laryngoscopic intubation using a bougie should be considered a safe, reliable procedure. In most cases, this procedure can be performed in selected patients whilst awake, with sedation.
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Zhu, Z.-H., J. Zheng, L.-Y. Ying, B.-W. Zhu, J. Qian, and Z.-X. Ma. "Cross-over study of topical anaesthesia with tetracaine solution for transoral rigid laryngoscopy." Journal of Laryngology & Otology 126, no. 11 (September 11, 2012): 1150–54. http://dx.doi.org/10.1017/s002221511200182x.

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AbstractBackground:Transoral rigid laryngoscopy with videostroboscopy is the most practical method to visualise the vocal folds. The optimal topical anaesthesia regimen for transoral rigid laryngoscopy has not yet been established.Objective:To compare patient comfort and compliance with various topical anaesthetics for transoral rigid laryngoscopy.Methods:Each of 10 patients received a random topical administration of either 2 per cent lidocaine gel, 1 per cent tetracaine gel or 1 per cent tetracaine solution, 10 minutes before undergoing rigid laryngoscopy with videostroboscopy. During follow-up laryngoscopies, the agent with the lowest mean visual analogue scale score for discomfort was then used to study the timing of topical anaesthetic application: the agent was given to the patient 5, 10 or 15 minutes before laryngoscopy (with the timing randomly selected).Results:Compared with lidocaine gel or tetracaine gel, laryngoscopy with topical tetracaine solution was more comfortable. There was a statistically significant difference in discomfort score between the 5 and 10 minute application groups, but not between the 10 and 15 minute groups.Conclusion:Tetracaine solution, applied topically 10 minutes before transoral rigid laryngoscopy, significantly decreases patient discomfort.
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Kim, Hyunjee, Hoon Jung, Seong Min Hwang, and Woo Seok Yang. "Preoperative rigid laryngoscopic examination and modified jaw thrust manoeuver during fibreoptic-assisted tracheal intubation for general anaesthesia." BMJ Case Reports 14, no. 5 (May 2021): e232826. http://dx.doi.org/10.1136/bcr-2019-232826.

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Preoperative laryngoscopic examination of the airway informs general anaesthesia management and planning. However, the same glottic opening view cannot always be obtained during direct laryngoscopy of anaesthetised patients. In this case report, a patient underwent preoperative rigid laryngoscopy due to medical history, and no problems were anticipated in performing tracheal intubation; however, the direct laryngoscopic view was a Grade 4 on the Cormack-Lehane Scale after anaesthesia induction. A jaw thrust manoeuvre to facilitate fibreoptic-assisted nasotracheal intubation was not feasible. In order to compensate, a modified method of jaw thrust was implemented, where both thumbs were placed on the floor of the patient’s mouth, leading to a successful result. Safe airway management should be implemented with proper planning based on a careful preoperative evaluation.
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McGuire, Barry E., and Rhona A. Younger. "Rigid indirect laryngoscopy and optical stylets." Continuing Education in Anaesthesia Critical Care & Pain 10, no. 5 (October 2010): 148–51. http://dx.doi.org/10.1093/bjaceaccp/mkq027.

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Friedrich, Gerhard, Karl Kiesler, and Markus Gugatschka. "Curved rigid laryngoscope: missing link between direct suspension laryngoscopy and indirect techniques?" European Archives of Oto-Rhino-Laryngology 266, no. 10 (April 7, 2009): 1583–88. http://dx.doi.org/10.1007/s00405-009-0974-z.

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Dissertations / Theses on the topic "Rigid laryngoscopy"

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Cunha, Edilson Oliveira. "Estudo sobre a microvascularização das pregas vocais humanas acometidas por pólipo, in vivo, através das endoscopias rígida e de contato da laringe." Universidade Federal de Sergipe, 2006. https://ri.ufs.br/handle/riufs/3884.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Microvascularization of human superior membranous vocal folds tends to be parallel to the long axis. This pattern of microvascularization changes with disease. The objective this study was to describe microvascular changes in the human vocal folds with polypoid alterations as differential diagnosis with other laryngeal diseases. A retrospective study was conducted to describe alterations in the microvasculature of the vocal folds of eleven patients having polyps, who underwent laryngeal microsurgery and subsequent rigid and contact laryngoscopy. To study the microvascular changes, D Ávila (2002) classification was used. The vocal folds were divided in three regions: superior membranous, superior cartilaginous, and subglottic. The twelve types of microvessels described by D Ávila were identified in the study and 74 altered microvessels were found; dilated parallel and branching micro vessels predominated. Our findings highlight that microvascularization of the vocal folds changes with polyp formation; and the presence of branching microvessels in the surface of vocal cord lesions suggests a diagnosis of polyp formation.
A microvascularização da face superior membranosa da prega vocal humana tende a ser paralela ao seu longo eixo. Este padrão de vascularização modifica-se na presença de patologias. O objetivo deste trabalho foi descrever as alterações microvasculares que ocorrem na prega vocal humana acometida por pólipo. Através de estudo retrospectivo foram descritas as alterações microvasculares que ocorreram nas pregas vocais de 11 pacientes de ambos os gêneros, portadores de pólipos, atendidos nas Clínicas de Dr. Jeferson D Ávila e Dr. Edilson Cunha e submetidos à microcirurgia da laringe e às endoscopias rígida e de contato da laringe. Para descrever as alterações microvasculares foi utilizada a classificação de D Ávila (2002) e as pregas vocais foram dividas em 3 faces: face superior membranosa, face superior cartilaginosa e face subglótica. Os 12 tipos de microvasos descritos por D Avila foram identificados neste estudo, tendo sido encontrados 74 microvasos alterados, havendo predominância dos microvasos paralelo ectásico e ramificado em rede. Nossos achados ressaltam que a microvascularização da prega vocal está alterada na presença de pólipo e que a presença de microvaso do tipo ramificado em rede na superfície de uma lesão única ou múltipla de prega vocal sugere fortemente a presença de pólipo de prega vocal.
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Books on the topic "Rigid laryngoscopy"

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Oscar, Dias, ed. Rigid and contact endoscopy in microlaryngeal surgery: Technique and atlas of clinical cases. New York: Raven Press, 1995.

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Book chapters on the topic "Rigid laryngoscopy"

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Gallagher, Thomas Q., and Christopher J. Hartnick. "Direct Laryngoscopy and Rigid Bronchoscopy." In Advances in Oto-Rhino-Laryngology, 19–25. Basel: S. KARGER AG, 2012. http://dx.doi.org/10.1159/000334293.

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Cooper, Richard M., and Corina Lee. "Role of Rigid Video Laryngoscopy." In The Difficult Airway, 77–111. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-0-387-92849-4_6.

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Cooper, Richard M. "The Role of Rigid Fiberoptic Laryngoscopes." In The Difficult Airway, 65–76. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-0-387-92849-4_5.

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Craig, Richard. "Advanced airway management." In Paediatric Anaesthesia, 153–76. Oxford University Press, 2019. http://dx.doi.org/10.1093/med/9780198755791.003.0009.

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Management of the difficult paediatric airway is described in this chapter. Airway assessment and a structured approach to planning for the anticipated difficult airway are the essence of the chapter. This includes a plan for induction of anaesthesia, a plan for laryngoscopy and intubation, and a plan for safe extubation. Detailed, step-by-step guides describing the techniques for intubation using a flexible bronchoscope, Macintosh-style video laryngoscope, and rigid optical stylet are provided. The conditions commonly associated with the difficult paediatric airway are classified according to the mechanism by which they cause difficulty.
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Magee, Patrick, and Mark Tooley. "Airway Management Devices." In The Physics, Clinical Measurement and Equipment of Anaesthetic Practice for the FRCA. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199595150.003.0027.

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The most important interface between the breathing system and the patient’s lungs is an airway management device (AMD). Post-operatively it can be considered to be a means of delivering oxygen enriched air to the patient. Intraoperatively it is intended to secure the patient’s airway, which might otherwise obstruct due to deep anaesthesia, to provide a reasonably gas tight seal to ensure accurate delivery of anaesthetic gases and, if necessary, to protect the lungs against aspiration of gastric contents. Postoperatively, the AMD can be nasal prongs or a variable performance mask, whose efficiencies may not be predictable [Wagstaff et al. 2007]. Intraoperatively it might be an artificial airway with a facemask, a supraglottic airway of one of the many types now available or an endotracheal tube (ETT). A supraglottic airway is one that sits in the pharynx or larynx above the vocal cords and these days is usually a laryngeal mask airway (LMA) of the numerous types now available, a cuffed oropharyngeal airway (COPA), or a Combitube. The LMA types available consist of: the classical LMA; the flexible (reinforced) LMA with a flexible tube to the breathing system; the ‘Proseal’, which has a gastric drainage tube as well as a gas transport tube; the intubating LMA, a device with a rigid right angled tube that acts as a ventilation conduit in the usual way, but through which an endotracheal tube may also be blindly introduced into the trachea; the ‘I-gel’ which has a gastric and a respiratory port as does the Proseal, but is less bulky, and whose bowl does not require inflation with air, but is filled with a gel that expands with body heat to form a seal. These days, almost all devices are made of material that excludes latex, but care should be taken to ensure this is indeed the case when there is a latex sensitive patient. Depending on the exact surgical and anaesthetic circumstances, the anaesthetist’s experience and equipment availability, a choice is made between these devices to secure the airway for a given operation. Additionally, there are other devices available to assist in securing the airway, such as the laryngoscope, the fibre optic bronchoscope and the cricothyrotomy tube.
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Conference papers on the topic "Rigid laryngoscopy"

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Gill, Nitesh, and Shobha Purohit. "11. Comparison of hemodynamic responses to intubation: Flexible fibreoptic bronchoscope versus McCoy laryngoscope in presence of rigid cervical collar simulating cervical immobilization for traumatic cervical spine." In 15th Annual Conference of the Indian Society of Neuroanaesthesiology and Critical Care. Thieme Medical and Scientific Publishers Private Ltd., 2014. http://dx.doi.org/10.1055/s-0038-1646090.

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