Epididymal obstruction
Conditions
Interventions
Research Group:deferential vessel-sparing modified microsurgical vasoepididymostomy
control group:deferential vessel-ligated modified microsurgical vasoepididymostomy
Sponsors
The First Affiliated Hospital of Sun Yet-sen University
Eligibility
Sex/Gender
Male
Age
20 Years to 45 Years
Inclusion criteria
Inclusion criteria: 1. The husband and wife are 20-45 years old, and the man had no history of vasectomy; 2. The women have no infertility. The male side had normal hormone level and normal spermatogenic function; 3. The semen routine showed that the semen volume and pH of the subjects with azoospermia were normal; 4. In the subjects with full epididymis and nodule on both sides, vas deferens existed on both sides without dilatation; 5. Subjects with Ag less than 20; 6. Subjects with bilateral epididymal obstruction had no obstruction in other parts of seminal canal; 7. Subjects who had no contraindication before operation; 8. Patients with fertility requirements were diagnosed as obstructive azoospermia and required ve recanalization; 9. The subjects who can follow the procedure understand and answer the research questions correctly, are willing to participate in the study and sign the informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients who could not establish epididymal body or tail anastomosis during operation; 2. Patients with systemic diseases (bleeding tendency, severe cardiovascular disease, diabetes).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Semen Analysis; | — |
Countries
China
Contacts
Public ContactTu Xiangan
The East Division of the First Affiliated Hospital of Sun Yet-sen University
Outcome results
None listed