| Vasectomy Reversal Procedure |
| Vasectomy reversal (vaso-vasal anastomosis - V V A ) is done under an operating microscope because the tubes that have to be joined are very small. Technically, microsurgical vasectomy reversal has a 95% success rate in restoring patency of the vas. However, this does not always lead to pregnancy and the expected pregnancy rate is 75% in those cases where the vasectomy reversal has succeeded. |
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| The duration since vasectomy is important. As time progresses following a vasectomy, spermatic fluid accumulates and causes distension of the epididymis (the tube that connects the vas to the testis). At some point the epididymal tubule will rupture creating a second block. In that case a vaso-vasal anastomosis (VVA) will not succeed. Instead, the vas will have to be joined to the epididymis, above the level where the tubule has ruptured. This is technically more difficult and involves the joining of two different tubes. Hence the success rate will drop to 50% in these cases. |
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