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Journal articles on the topic 'Vas deferens injury'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Breitinger, Maxwell C., Evan H. Roszkowski, Adam J. Bauermeister, and Andrew A. Rosenthal. "Duplicate Vas Deferens Encountered during Inguinal Hernia Repair: A Case Report and Literature Review." Case Reports in Surgery 2016 (2016): 1–4. http://dx.doi.org/10.1155/2016/8324925.

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Duplication of the vas deferens is a rare anomaly, defined as the presence of two distinct vasa deferentia within one spermatic cord, with only 28 cases reported worldwide since 1959. We report the case of a 63-year-old man with a duplicate vas deferens, presenting with abdominal pain from bowel obstruction secondary to incarcerated inguinal hernia. Spermatic cord dissection during hernioplasty revealed duplication of the vas deferens within the right spermatic cord. Doppler ultrasonography confirmed absence of waveforms in both vasa deferentia with arterial signal in the accompanying vessel. The hernia was repaired without complication. This report emphasizes recognition of duplicate vas deferens in avoiding iatrogenic injury and optimizing surgical outcome.

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2

Souza, Cláudio Fontes, Lúcia Garcez-do-Carmo, Isaltino Marcelo Conceição, Thalma Ariani Freitas, and Roberto Frussa-Filho. "Effects of long-term fluoxetine treatment on adrenergic plasticity in rat vas deferens." Brazilian Journal of Pharmaceutical Sciences 50, no. 4 (December 2014): 757–64. http://dx.doi.org/10.1590/s1984-82502014000400011.

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Chronic antidepressant administration increases neurotrophin levels in the central and peripheral nervous system, leading to an increase of neuronal sprouting, reestablishment of neural networks and neurotransmitter levels. Injured peripheral nerves regenerate at very slow rates. However, the recovery of the hypogastric nerve in rodents after injury is significantly improved with neurotrophin administration. Accordingly, our goal was to determine whether treatment with the antidepressant fluoxetine affects catecholamine levels and neuronal function, after surgical denervation of the rat vas deferens. Noradrenaline levels in the denervated vas deferens were higher in fluoxetine-treated animals than in the vehicle-treated group, as measured by high performance liquid chromatography. In functional studies of smooth muscle contraction, the responses induced by phenylephrine or ATP, as well as pre-synaptic α2-adrenoceptor reactivity, were not modified by chronic treatment with the antidepressant. However, the contraction mediated by neuronal release of noradrenaline induced by tyramine was increased on days 7 and 21 after denervation in rats treated with fluoxetine. These data indicate that fluoxetine can improve functional recovery after rat vas deferens denervation.

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3

Benge, Bruce N., and Gerald H. Jordan. "Prepubertal vasal injury: its effect on postpubertal: vas deferens." Journal of Urology 149, no. 4 (April 1993): 906–9. http://dx.doi.org/10.1016/s0022-5347(17)36256-0.

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4

Sheynkin, Yefim R., Benjamin N. Hendin, Peter N. Schlegel, and Marc Goldstein. "MICROSURGICAL REPAIR OF IATROGENIC INJURY TO THE VAS DEFERENS." Journal of Urology 159, no. 1 (January 1998): 139–41. http://dx.doi.org/10.1016/s0022-5347(01)64036-9.

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5

Blouchos, K., K. A. Boulas, D. G. Tselios, A. Hatzigeorgiadis, and P. Kirtsis. "Iatrogenic vas deferens injury due to inguinal hernia repair." Hellenic Journal of Surgery 84, no. 6 (November 2012): 356–63. http://dx.doi.org/10.1007/s13126-012-0052-7.

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6

Pryor, Jon L., Tod Fusia, Michael Mercer, Stacey E. Mills, and Stuart S. Howards. "Injury to the Pre-Pubertal Vas Deferens. II. Experimental Repair." Journal of Urology 146, no. 2 Part 1 (August 1991): 477–80. http://dx.doi.org/10.1016/s0022-5347(17)37828-x.

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7

Pryor, Jon L., Stacey E. Mills, and Stuart S. Howards. "Injury to the Pre-Pubertal Vas Deferens. I. Histological Analysis of Pre-Pubertal Human Vas." Journal of Urology 146, no. 2 Part 1 (August 1991): 473–76. http://dx.doi.org/10.1016/s0022-5347(17)37827-8.

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8

DEMİR, Sabri, Ahmet ERTÜRK, Mehmet ZENGİN, Dinçer YILDIZ, Siyami KARAHAN, and Emrah ŞENEL. "Contribution of amniotic membrane to the healing of iatrogenic vas deferens injury." TURKISH JOURNAL OF MEDICAL SCIENCES 51, no. 3 (June 28, 2021): 1563–70. http://dx.doi.org/10.3906/sag-2012-287.

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9

Korkes, Fernando, and Oseas Castro Neves Neto. "Crossover transseptal vasovasostomy: alternative for very selected cases of iatrogenic injury to vas deferens." International braz j urol 45, no. 2 (April 2019): 392–95. http://dx.doi.org/10.1590/s1677-5538.ibju.2018.0445.

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10

Abasiyanik, Adnan, Haluk Güvenç, Dilek Yavuzer, Önder Peker, and Ümit Ince. "The effect of iatrogenic vas deferens injury on fertility in an experimental rat model." Journal of Pediatric Surgery 32, no. 8 (August 1997): 1144–46. http://dx.doi.org/10.1016/s0022-3468(97)90670-9.

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11

Dorairajan, L. N., S. Kumar, and N. Madhekar. "Bilateral Transection of the Vas deferens: An Unusual Trauma from a Cross Stab Injury of the Scrotum." Urologia Internationalis 66, no. 3 (2001): 169–70. http://dx.doi.org/10.1159/000056602.

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12

Chehval, Micheal J., Scott A. Martin, Nancy J. Alexander, and Thomas Winkelmann. "The Effect of Unilateral Injury to the Vas Deferens on the Contralateral Testis in Immature and Adult Rats." Journal of Urology 153, no. 4 (April 1995): 1313–15. http://dx.doi.org/10.1016/s0022-5347(01)67592-x.

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13

Hirsh, A. V., C. Mills, S. L. Tan, J. Bekir, and P. Rainsbury. "CASE REPORT: Pregnancy using spermatozoa aspirated from the vas deferens in a patient with ejaculatory failure due to spinal injury." Human Reproduction 8, no. 1 (January 1993): 89–90. http://dx.doi.org/10.1093/oxfordjournals.humrep.a137882.

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14

Al-Momani, M.D., Hashem Mohammad, Ahmad Aliwisat, Ibrahim Abdel Qader Khrais, M.D., Osama Sarhan, M.D., Ibraheem Suleiman Obaidat, M.D., Nadeem Riyad Al Jundi, M.D., and Fadi Atef Alhalasa, M.D. "Are We over Dissecting the Cord in Orchidopexy?" Research in Health Science 5, no. 3 (July 2, 2020): p16. http://dx.doi.org/10.22158/rhs.v5n3p16.

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Background: Orchidopexy is a procedure of securing the testis inside the scrotum in patients with cryptorchidism. In the literature, various dissection techniques have been described to lengthen the spermatic cord to ensure a tension-free fixation of the testis to the lowest point of the scrotum.Objectives: The aim of this study is to determine if incorrect measurement of the spermatic cord’s length during open inguinal orchidopexy had led surgeons to over dissect the cord in a way that may pose an increased risk of testes, vas deferens and spermatic vessels.Materials and Methods: We prospectively studied the results of 40 orchidopexies performed in 40 patients with peeping or canalicular undescended testis , which was done at the Jordan university hospital in Amman from April 2018 to March 2019 , We compared the position of the testis before and after tunneling inside the inguinal canal. The difference in length is measured and analyzed.Conclusion: Failure to account for the subcutaneous fat layer thickness during orchidopexy increases the likelihood of over dissecting the spermatic cord which increases the risk of vas and vessels injury In this study we found that there is a difference between the cord length outside and inside the canal with excess length after passing the cord inside the canal ranges from 1-3 cm . This means that we do not need to dissect the cord to make the testis reaches the scrotum from outside. This decreases the risk of harming the cord and its contents.

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15

Parker, K. E., and A. Scarpa. "An ATP-activated nonselective cation channel in guinea pig ventricular myocytes." American Journal of Physiology-Heart and Circulatory Physiology 269, no. 3 (September 1, 1995): H789—H797. http://dx.doi.org/10.1152/ajpheart.1995.269.3.h789.

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Extracellular ATP released from nerves onto vascular smooth muscle or released from damaged tissues during traumatic injury, shock, or ischemia profoundly alters cardiovascular physiology. We have used patch-clamp methods to investigate the effects of extracellular ATP on guinea pig ventricular myocytes because guinea pigs are a commonly used model for the study of cardiac electrophysiology. We have found that ATP activates a rapid, desensitizing, inward current. This inward current is activated by a P2 receptor that does not conform to published receptor subclasses. A concentration of 100 microM ATP activates more current than 100 microM alpha, beta-methyleneadenosine 5'-triphosphate, which in turn activates more current than 100 microM ADP. 2-Methylthioadenosine 5'-triphosphate (2-MeS-ATP) and adenosine 5'-O-(3-thiotriphosphate) are also effective agonists. Adenosine, AMP, guanosine 5'-triphosphate, and uridine 5'-triphosphate are ineffective at 100 microM. The inward conductance has a reversal potential near 0 mV and in ion-substitution experiments was found to be carried through nonselective cation channels rather than chloride channels. The conductance has inwardly rectifying current-voltage (I-V) relations. When ATP is used as the agonist, fluctuation analysis yields an apparent unitary conductance of 0.08 pA at a holding potential of -120 mV with sodium as the main charge-carrying ion. The combination of inwardly rectifying I-V relations, the efficacy of 2-MeS-ATP, and the very low conductance distinguish this conductance from other ATP-activated nonselective channels, including those recently cloned from rat vas deferens and PC-12 cells.

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16

Dashdorj, Batjargal, and Nyamkhuu Chultem. "The Result of the experimental trials of designing and testing of an electromagnetic device (MKTK-1, 2) to make castration of the young household animal." Mongolian Journal of Agricultural Sciences 29, no. 1 (April 30, 2020): 177–81. http://dx.doi.org/10.5564/mjas.v29i1.1388.

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This article presents the result of research studies on developing, designing and testing a new special castrating method to increase the meat yield of adolescent animal /calves & lambs/ through proper exploration of physiological and biological capabilities of the young male animals. The core of our castrating method and technology lies in the fact that “cutting the vas deferens with no mechanical injury for livestock”. According to the field result which had been done in the countryside between 2012 and 2018, the average slaughter weight was 125.5kg, the slaughter yield was 53.9%, and the average cutability was 80.1% for 214 heads of 17-month old calves which were castrated by “castrated by thermal effect”. As an effect of application of this innovative method, the live weight increased by 37% and 42% for the experimental calves and lambs correspondingly. The slaughter yield of male calve was greater by 2.2% and the cutability was greater by 8.4-13.2% compare to a mature Mongolian cattle. Мал хөнгөлөх цахилгаан соронзон долгионы багаж (МХЦХ-1,2) зохион бүтээж, туршсан дүн Өсвөр эр мал /бяруу, хурга/-ын физиологи, биологийн нөөц, чадавхийг зохистой ашиглах замаар эдгээр малын махан ашиг, шимийг нэмэгдүүлэх зорилгоор мал хөнгөлөх өвөрмөц аргыг шинээр боловсруулж, үйлдвэрлэлд туршсан судалгааны үр дүнг энэхүү өгүүлэлд товч авч үзсэн болно. Бидний боловсруулсан мал хөнгөлөх арга, технологийн мөн чанар нь “малд механик гэмтэл үүсгэхгүйгээр үр дамжуулагчийг нь таслах”-д оршиж байгаа юм. Уг аргыг ашиглан 2012-2018 онуудад орон нутагт гүйцэтгэсэн хээрийн судалгааны дүнгээс үзэхэд “төөнөж-таслах арга”-р хөнгөлсөн 214 толгой, 17 сартай бярууг нядлахад гулуузны дундаж жин 125,5 кг буюу нядалгааны гарц 53,9%, махны гарц 80,1% байв. Уг аргаар хөнгөлсөн бярууны амьдын жин 37%-иар, хурганы амьдын жин 42%-иар тус тус нэмэгдсэн байлаа. Эр бярууны нядалгааны гарц нь нас бие гүйцсэн Монгол үхрийн нядалгааны гарцаас 2,2%-иар махны гарц 8,4-13,2%-иар тус тус илүү байв. Түлхүүр үг: өсвөр эр мал, мал хөнгөлөх арга, мал хөнгөлөх цахилгаан хэрэгсэл (МХЦХ), малын махан ашиг шим

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17

Pandey, Shivesh, Suresh Vasant Phatak, Gopidi Sai Nidhi Reddy, and Apoorvi Bharat Shah. "Post Traumatic Hematocele - Ultrasonography and Elastography Imaging." Journal of Evolution of Medical and Dental Sciences 10, no. 21 (May 24, 2021): 1636–38. http://dx.doi.org/10.14260/jemds/2021/340.

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Hematocele with blunt scrotal trauma is an uncommon cause of the testicular pain. Elastography is the new recent advance in the field of ultrasound. USG and elastography findings of the acute hematocele is described in this aricle. Testicular trauma is the third most common cause of acute scrotal pain,1 and high-frequency ultrasonography (USG) with a linear array transducer is the first preferred modality for testicular trauma evaluation. Extra testicular haematoceles or blood collections inside the tunica vaginalis are the most common findings in the scrotum after blunt injury.2 On clinical assessment, haematocele appears as a hard mass like swelling and causes pain in the scrotum. In the majority of cases, spontaneous resolution occurs with the support of conservative therapy,3 even if treated conservatively, may result in infection, discomfort, or atrophy in undiagnosed broad hematoceles and testicular hematomas over time.4 A testis with its coverings, epididymis, and spermatic cord are all contained in each hemiscrotum. A typical testis is 5 x 3 x 2 cm in diameter and has an intermediate echogenicity. The tunica albuginea is a fibrous covering that protects the testis from damage from the external injuries. It is located on top of the tunica vasculosa, which is made up of capsular arteries. A testis with its coverings, epididymis, and spermatic cord are all contained in each hemiscrotum. With its high tensile strength, the tunica albuginea plays an important role in shielding the testis from trauma. It can withstand a force of up to 50 kg without bursting. The testicular parenchyma is made up of several lobules, each of which is made up of several seminiferous tubules that lead to dilated spaces inside the mediastinum called the rete testis through the tubuli recti. The epididymis is made up of a head, neck, and tail that protects the superolateral part of the testis. The epididymis' tail ends in the spermatic cord as the vas deferens. The epididymal head is a 5 – 12 mm pyramidal structure that sits atop the testis' superior pole. The head is almost isoechoic to the testis. The epididymis has a 2 – 4 mm thick body.5 The patient lies in a supine position with the scrotum covered by a towel positioned between the thighs during scrotal ultrasound. A high-frequency lineararray transducer with a frequency range of 7 – 14 MHz is preferred. The scrotum is always soft to the touch after trauma, making scanning difficult. It should be attempted to examine both the testes and the epididymis in their entirety, as well as any extra testicular lesions. The testes are assessed in two planes: longitudinal and transverse. Each testis and epididymis should be compared to the contralateral testis and epididymis in terms of size and echogenicity. Transverse scrotal imaging is important for depicting both testes and comparing their gray-scale and colour Doppler appearances.

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18

Stichhauer, Radek, Jaroslav Koudelka, Ales Ryska, Helena Zivna, and Milan Kaska. "Various surgical techniques for the repair of injured vas deferens in rat experiments." Biomedical Papers 163, no. 4 (December 11, 2019): 335–40. http://dx.doi.org/10.5507/bp.2018.069.

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19

BRACKETT, NANCY L., CHARLES M. LYNNE, TEODORO C. ABALLA, and SEAN M. FERRELL. "SPERM MOTILITY FROM THE VAS DEFERENS OF SPINAL CORD INJURED MEN IS HIGHER THAN FROM THE EJACULATE." Journal of Urology 164, no. 3 Part 1 (September 2000): 712–15. http://dx.doi.org/10.1016/s0022-5347(05)67287-4.

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20

Kobayashi, M., A. Yoshida, M. Tanaka, H. Suzuki, K. Sakakibara, and S. Tanigiwa. "Comparison of art clinical outcomes between patients with spinal cord injury and congenital bilateral absence of the vas deference." Fertility and Sterility 100, no. 3 (September 2013): S430. http://dx.doi.org/10.1016/j.fertnstert.2013.07.526.

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21

Buch, J. P. "Greatly improved sperm motility from vas deferens sperm retrieval: a case for accessory gland related subfertility in spinal cord injured man." Spinal Cord 32, no. 7 (July 1994): 501–4. http://dx.doi.org/10.1038/sc.1994.79.

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22

Chehval, Micheal J., Scott A. Martin, Nancy J. Alexander, and Thomas Winkelmann. "The Effect of Unilateral Injury to the Vas Deferens on the Contralateral Testis in Immature and Adult Rats." Journal of Urology, April 1995, 1313–15. http://dx.doi.org/10.1097/00005392-199504000-00079.

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23

BRACKETT, NANCY L., CHARLES M. LYNNE, TEODORO C. ABALLA, and SEAN M. FERRELL. "SPERM MOTILITY FROM THE VAS DEFERENS OF SPINAL CORD INJURED MEN IS HIGHER THAN FROM THE EJACULATE." Journal of Urology, September 2000, 712–15. http://dx.doi.org/10.1097/00005392-200009010-00022.

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