By the way of occlusion, it is said that adequate research data concerning the mass applicability, and lasting effectiveness of this reversible vas occlusion are not yet available in any type of approach, although international efforts are underway. In the light of this situation, the author's approach so far revealed seems to be quite promising even though it is still short of mass consumption.
Vasectomy*

385 Kinh and Muong vasectomized men and 40 men (control) were subjective of the study. All are healthy, ages of 30-60, all had at least a child. The blood samples were taken at 6 weeks, 3-6 months, 7-12 months and 6 years after operation. The Franklin - Duker agglutination test and passive immunofluorescence test for detecting sperm antibodies were used. The results were as follows: in 40 control, there was only one, who had agglutinating sperm antibodies, i.e 2.5%; 39.5% incidence of sperm antibodies were found in vasectomized men one year after operation. In the time of 6 weeks, that was 9%, less three months was 12.1%, 3 to 6 months was 40.3%, 7 to 12 months was 48.8%; 25.3% vasectomized men exhibited sperm antibodies 1 to 6 years after operation; the sperm antibodies incidence of Kinh men was lower than Muong men, that were 38.4% and 44.4% respectively; the antibodies detected by immunofluorescence test were IgG binding in the acrosome or neck and tail of spermatozoa
Vasectomy ; Spermatozoa

A statistical observation was made on 409 cases of vasectomy in the Department of Urology, National Police Hospital during the period from April, 1973 to September, 1976.
Humans ; Police ; Urology ; Vasectomy*

A development trial and application of non-scalpel vasectomy on 3850 men more than 30 ages in the whole country during 1992-1993 has shown that it was a simple technique and easy to implement and train. The technical condition was very simple, only required a septic room and 3 basic medical equipments scissors and pincers. The complication of traditional technique and non-scalpel vasectomy was 3% and 0,63%, respectively. The revasectomy was simple, and can be implemented out of hospital.
Vasectomy ; Family Planning Services

Vasectomy is one of the safest, simplest and most effective methods of fertility regulation. The non scalpel vasectomy method has been sucessfully use for several million vasectomies all over the world. This method makes vasectomy easier to perform eliminate the use of the scalpel and reduces the incidence of complications but disadvantage of the technique is the hands on training and number of cases necessary to gain proficiency
Education ; Vasectomy ; surgery

Up to day, there was no definite report in hormonal changes in serum and seminal plasma which might be affected by vasectomy. In order to clarify the controversy regarding hormonal change in normal, vasectomy and vasovasostomy, author has observed LH, FSH and Testosterone in seminal plasma as follow; l. The LH and FSH level has been shown decrease comparison with control group after vasectomy 2. The LH level has been rising with vasovasostomy. 3. The FSH level was some increased after vasovasostomy, but which is not statistically significant. 4. The Testosterone has not been shown any change with vasectomy and vasovasostomy.
Semen* ; Testosterone* ; Vasectomy* ; Vasovasostomy*

Vasectomy is the most effective family planning method. This is a safe, simple and cheap method for couple who have achieved their desired number of children. In Viet Nam, non-scalpel vasectomy is the major method which has been studied and introduced into the country's population and family planning program since 1991 by the Ministry of Health and now there have been dozen of thousands men who accept the method. During the period applying this method in Viet Nam, the failure rate of the method in Viet Nam is very high, ranging from 0.7% to 6.7%, which is mainly due to technical issues. The non-scalpel vasectomy has a number of advantage such as no anesthesia, no bleeding, and no pain. This technique avoids local hematoma that would reduces edema and infection. In order to achieve a high effectiveness of the method, surgeons are required to have good skills and receive basic training to minimize the failure.
Vasectomy ; Family Planning Services ; Child

Congenital anomaly of the vas deferens is often easily diagnosed by careful examination of the scrotum as well as by present popularity of vasectomy. By the fact that both systems originate from a common urogenital ridge of mesoderm, anomaly of the kidney has long been recognized to coexist with anomaly of the vas deferens. So, inability to palpate the vas deferens in routine examination or absence of vas deferens in vasectomy should alert the physician to study the patient for associated renal anomaly. We report one case of vas anomaly associated with ipsilateral renal hypoplasia with the brief review of literatures.
Humans ; Kidney ; Mesoderm ; Scrotum ; Vas Deferens ; Vasectomy

Vasectomy as a male sterilization has been performed popularly in the world including Korea from 1962. In recent demand for reversal of reproduction increases more than past times due to sudden loss of offspring or change of mind. In this presentation, we report 13 cases of vasovasostomy operated from December in l983 to June in 1985 and observe the results after operation & technics used at our department of urology. The results after operation is described anatomically & functionally with ratio.
Korea ; Reproduction ; Sterilization, Reproductive ; Urology ; Vasectomy ; Vasovasostomy*

AIMTo determine whether vasectomy away from the epididymal tail (via the inguinal canal) in rabbits can reduce the early postoperative effects on spermatogenesis.

METHODSTwenty-nine normal male Japanese white rabbits (aged 4-6 months) were subjected to unilateral close-ended (conventional) or open-ended (the cut end of the juxta-epididymal vas deferens not ligated) vasectomy via the inguinal canal. Ten days and 3 months after operation, testes, epididymides and vasa deferentia were removed and methacrylate resin-embedded sections prepared. The histology of the testis, epididymis and vas deferens was examined under light microscope, and the volume and diameter of the seminiferous tubules were quantitatively studied using stereological methods.

RESULTSNeither of the methods of vasectomy led to apparent damage to spermatogenesis on the vasectomized side in comparison with the contralateral sham-operated side, but the juxta-epididymal vas deferens on the vasectomized side was highly distended and contained numerous sperm 3 months after operation.

CONCLUSIONVasectomy away from the cauda epididymis has no significant early postoperative effects on spermatogenesis in rabbits.