title: [Azoospermia should not be given as the result of vasectomy].
abstract: OBJECTIVE
  Vasectomy is a surgical method of male contraception. Azoospermia is offered as result of the technique and this is not always attained, resulting in legal matters. The purpose of this study is to know the number of semen samples needed to discharge a patient after intervention. To identify sperm count on semen analysis at time of discharge.
  
  
  METHODS
  Retrospective study of men who underwent vasectomy in a 15-month period with a 2 year follow up. Consecutive semen analyses up to 5 samples were measured at 2 to 3 months interval in all men who had persistence of spermatozoa.
  
  
  RESULTS
  618 men were intervened, 106 did not bring semen to the laboratory (17%), 2 (0.39%) presented motile sperm and were considered a failure of the technique and excluded. 510 men completed controls. 316 (61.9%) were azoospermic in the first sperm analysis, 74 (14.5%) in the second, 27 (5.2%) in the third, 6 (1.2%) in the fourth and one (0,.%) in the fifth analysis. The remaining 86 men (16.8%) had persistence of immotile sperm in the ejaculate and were less than 100,000/ml. No pregnancy was reported during 2 years follow up or after.
  
  
  CONCLUSIONS
  Five or more semen analysis can be made after the surgery. Persistence of immotile sperm in the ejaculate is frequent and may exist for a long period afterwards. Immotile sperm count of 100,000/ml or less should be accepted as result of the procedure. The patient should be informed about the fact that persistent immotile sperm can be found in his semen. In the informed consent azoospermia should not be a concern as it is frequent to find immotile sperm in the ejaculate and this is an acceptable issue. As with other contraceptive methods, vasectomy should be offered as a safe method although clearly stating that the possibilities of failure do exist.
authors.affiliation: Servicio de Andrología, Fundació Puigvert, Barcelona, España. orajmil@fundacio-puigvert.es
authors.forename: Osvaldo
authors.initials: O
authors.lastname: Rajmil
authors.forename: Marlin
authors.initials: M
authors.lastname: Fernández
authors.forename: César
authors.initials: C
authors.lastname: Rojas-Cruz
authors.forename: Carlota
authors.initials: C
authors.lastname: Sevilla
authors.forename: Mireia
authors.initials: M
authors.lastname: Musquera
authors.forename: Eduardo
authors.initials: E
authors.lastname: Ruiz-Castañe
mesh_terms: D053713:Azoospermia; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D012189:Retrospective Studies; D013048:Specimen Handling / Q000706:statistics & numerical data*; D013076:Sperm Count / Q000379:methods* / Q000706:statistics & numerical data; D013997:Time Factors; D016896:Treatment Outcome; D014659:Vasectomy