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4,249 results for

Vasectomy

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4241. Vasectomy and prostate cancer characteristics of patients referred for prostate biopsy. (Abstract)

Vasectomy and prostate cancer characteristics of patients referred for prostate biopsy. The prospect of an association between vasectomy and prostate cancer has gained widespread attention and has potentially influenced patterns of referral. In patients referred for prostate needle biopsies we compared the incidence and characteristics of prostate cancer in those reporting a history of vasectomy to those denying prior vasectomy.A total of 585 consecutive prostate biopsy procedures were (...) performed on 522 veterans during a 42-month period. Upon questioning 101 patients (19.3%) reported prior vasectomy. From the remaining 421 patients 202 consecutive age matched controls were selected. Pre-procedure prostate specific antigen levels, digital examination findings, incidence of prostate cancer, cancer grade and tumor length on biopsy cores were compared between the patients with and without a history of vasectomy.Of the 101 patients who reported a history of vasectomy 46 (45.5%) had prostate

2002 Journal of Urology

4242. Activation of mitogen activated protein kinases and apoptosis of germ cells after vasectomy in the rat. (Abstract)

Activation of mitogen activated protein kinases and apoptosis of germ cells after vasectomy in the rat. Vasectomy induces a large amount of germ cell apoptosis. We examined the activation of mitogen activated protein kinases (MAPKs) in association with the apoptosis and proliferation of germ cells after vasectomy in the rat.Eight-week-old Wistar rats underwent bilateral vasectomy and the testes were harvested 1 to 9 days after vasectomy. Germ cell apoptosis was evaluated by terminal (...) in primary spermatocytes with a peak 7 days after vasectomy. Signal regulated kinases 1/2, c-Jun-terminal kinases 1/2 and p38 were constitutively expressed in the control testis. Western blotting and immunohistochemistry showed rapid activation of signal regulated kinases 1/2, followed by activation of c-Jun-terminal kinases 1/2 and p38. Immunohistochemical study demonstrated the temporal and spatial relationships of apoptosis and MAPK activation in primary spermatocytes. On the other hand, proliferating

2002 Journal of Urology

4243. Mini-incision microsurgical vasectomy reversal using no-scalpel vasectomy principles and instruments. (Abstract)

Mini-incision microsurgical vasectomy reversal using no-scalpel vasectomy principles and instruments. Men who have undergone a vasectomy have 2 options available to allow them to have biologically related children: vasectomy reversal or sperm retrieval with in vitro fertilization. Of the men who have undergone vasectomy, 2%-11% eventually undergo reversal. The high cost and reproductive risks associated with in vitro fertilization weigh against sperm retrieval with in vitro fertilization (...) , and the surgical risks and postoperative recovery (eg, time off from work, postoperative pain) are important factors that couples consider before choosing vasectomy reversal. To reduce the morbidity of a vasectomy reversal, we have developed techniques to perform a microsurgical vasectomy reversal through a mini-incision in the scrotum.The vas deferens is grasped through the skin with the no-scalpel vasectomy ring forceps, a 1-cm incision is made through the skin and dartos directly on top of the elevated vas

2008 Urology

4244. A novel instrument-independent no-scalpel vasectomy - a comparative study against the standard instrument-dependent no-scalpel vasectomy. (Abstract)

A novel instrument-independent no-scalpel vasectomy - a comparative study against the standard instrument-dependent no-scalpel vasectomy. An instrument-independent no-scalpel vasectomy (IINSV) technique is reported. This technique does not use the standard specific instruments, but comparatively retains the advantages of minimally invasive instrument-dependent no-scalpel vasectomy (IDNSV). Between July 1999 and June 2002, 449 men were prospectively randomized to be vasectomized at two hospitals (...) and postoperative complications (haematomas, infections and granulomas) (p < 0.05). There were no significant differences between the two groups with respect to incision length, postoperative pain, pain at coitus, time of return to work, time of resuming intercourse, self-reported satisfaction in sexual life, postoperative psychological status, postoperative body weight change and vasectomy failure as evidenced by sperm analysis (p > 0.05 for all items). Thus, the IINSV technique can offer an alternative option

2004 International journal of andrology Controlled trial quality: uncertain

4245. Effect of time since vasectomy and maternal age on intracytoplasmic sperm injection success in men with obstructive azoospermia after vasectomy. (Abstract)

Effect of time since vasectomy and maternal age on intracytoplasmic sperm injection success in men with obstructive azoospermia after vasectomy. To determine the effects of time since vasectomy and maternal age on intracytoplasmic sperm injection (ICSI) outcome in azoospermic men after vasectomy.Retrospective analysis.Assisted conception unit.Thirty-seven azoospermic men (after vasectomy) who were undergoing 56 cycles of ICSI.Surgical sperm retrieval and standard ICSI protocol. The ICSI cycles (...) were analyzed in four groups, according to years since vasectomy, and were reanalyzed in three groups, according to maternal age.Fertilization rate, implantation rate, clinical pregnancy rate, and live-birth rate (LBR) per ET.No effect of time since vasectomy was seen on any outcome. The highest fertilization rate and LBR were found in the group with the longest time interval. These findings could not be explained by differences in either patient characteristics or stimulation regimes. When

2004 Fertility and Sterility

4246. Simply modified no-scalpel vasectomy (percutaneous vasectomy)--a comparative study against the standard no-scalpel vasectomy. (Abstract)

Simply modified no-scalpel vasectomy (percutaneous vasectomy)--a comparative study against the standard no-scalpel vasectomy. The simply modified no-scalpel vasectomy (SMNSV; percutaneous vasectomy) technique was reported to simplify the standard no-scalpel vasectomy (SNSV) procedure. In this report, we introduce our experiences with SMNSV in comparison with the SNSV.Between July 1999 and June 2002, 417 men were prospectively randomized to be vasectomized at the Taipei Medical University (...) Hospital: 215 acceptors underwent the SNSV and the remaining 202 received the SMNSV. Using the no-scalpel vasectomy instruments in a percutaneous fashion, the sharp no-scalpel hemostat punctures the skin directly instead of fixating the vas to the skin with the use of a ring clamp, as done in SNSV. The vas is then grasped with the ringed instrument instead of piercing the vas and performing the supination maneuver, as described for SNSV. The intraoperative conditions of each group were recorded

2005 Contraception Controlled trial quality: uncertain

4247. Does vasectomy accelerate testicular tumour? Importance of testicular examinations before and after vasectomy. Full Text available with Trip Pro

Does vasectomy accelerate testicular tumour? Importance of testicular examinations before and after vasectomy. 2106990 1990 04 24 2018 11 13 0959-8138 300 6721 1990 Feb 10 BMJ (Clinical research ed.) BMJ Does vasectomy accelerate testicular tumour? Importance of testicular examinations before and after vasectomy. 370 Cale A R AR Bangour General Hospital, West Lothian. Farouk M M Prescott R J RJ Wallace I W IW eng Journal Article England BMJ 8900488 0959-8138 AIM IM J BMJ. 1990 Apr 7;300(6729 (...) ):944-5 2337730 Adult Age Factors Aged Humans Male Middle Aged Retrospective Studies Risk Factors Scotland epidemiology Testicular Neoplasms epidemiology etiology Time Factors Vasectomy adverse effects 060550 00198856 An association between vasectomy and the development of testicular tumors, and the importance of testicular examinations both before and after a vasectomy is discussed. Patients diagnosed with testicular tumors within the last ten years were examined at Bangour General Hospital

1990 BMJ : British Medical Journal

4248. Percutaneous vasectomy: a simple modification eliminates the steep learning curve of no-scalpel vasectomy. (Abstract)

Percutaneous vasectomy: a simple modification eliminates the steep learning curve of no-scalpel vasectomy. We report a simplified method to avoid the most difficult step of no-scalpel vasectomy, while maintaining its minimally invasive advantages.Using the no-scalpel vasectomy instruments in percutaneous fashion we perform vasectomy in the office setting without fixation of the vas to skin using the ring clamp. The sharp no-scalpel hemostat punctures the skin. The vas is then grasped (...) with the ringed instrument instead of piercing the vas and performing the supination maneuver, as described for no-scalpel vasectomy.Percutaneous vasectomy was performed in 573 men by a single surgeon. In the 35 consecutive cases recently reviewed average operative time was 9.3 minutes with an additional 67 seconds added when a resident performed the procedure on 1 side in 15 cases. As determined by the knuckle of vas pulled through a puncture, average incisional length was 8.4 mm. Patients reported complete

2003 Journal of Urology

4249. [Vasectomy. A prospective, randomized trial of vasectomy with bilateral incision versus the Li vasectomy]. (Abstract)

[Vasectomy. A prospective, randomized trial of vasectomy with bilateral incision versus the Li vasectomy]. Studies have shown that the Li vasectomy can match the effectiveness of and reduce the duration of operation and rate of complications compared to standard vasectomy with bilateral incision.A prospective, randomised trial was conducted to compare the Li vasectomy with the standard vasectomy with bilateral incision. Data regarding effectiveness, time of operation, the patient's pain (...) and discomfort, and peroperative and postoperative complications were recorded. Overall, 99 patients were entered in the trial, 51 with vasectomy with bilateral incision, 48 with the Li vasectomy.No significant difference was found between the two methods with regard to effectiveness, time of operation, the patient's pain and discomfort, and peroperative and postoperative complications. Overall, vasectomy was inadequate in 5%, haematoma was found in 13%, infection in 9%, and scrotal pain or painful

2002 Ugeskrift for laeger Controlled trial quality: uncertain

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