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Vasovasostomy
Vasovasostomy (literally connection of the vas to the vas) is a surgery by which vasectomies are partially reversed. Another surgery for vasectomy reversal is vasoepididymostomy.[citation needed]
Vasovasostomy is a form of microsurgery first performed by Australian surgeon Dr. Earl Owen (1934–2014) in 1971.
In most cases the vas deferens can be reattached but, in many cases, fertility is not achieved. There are several reasons for this, including blockages in the vas deferens, and the presence of autoantibodies which disrupt normal sperm activity. If blockage at the level of the epididymis is suspected, a vasoepididymostomy can be performed.
Return of sperm to the ejaculate depends greatly on the length of time from the vasectomy and the skill of the surgeon. Generally, the shorter the interval, the higher the chance of success. The likelihood of pregnancy can depend on female partner factors.
Over half of men who have undergone a vasectomy develop anti-sperm antibodies. The effects of anti-sperm antibodies continue to be debated in the medical literature, but there is agreement that antibodies may reduce sperm motility.
Only two conditions must be satisfied for sperm to be returned to a patient's semen with vasectomy reversal by vasovasostomy. First, the patient must have sperm available to pass through at least one reconnection. The second condition is that each reconnection must be as watertight as possible. The surgeon's goal is to achieve a very precise circumferential reconnection of the sperm canal edges by using meticulously placed microsurgical sutures.[citation needed]
Vasovasostomy can be performed in the convoluted or straight portion of the vas deferens.
Vasovasostomy is typically an out-patient procedure (patient goes home the same day).
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Vasovasostomy
Vasovasostomy (literally connection of the vas to the vas) is a surgery by which vasectomies are partially reversed. Another surgery for vasectomy reversal is vasoepididymostomy.[citation needed]
Vasovasostomy is a form of microsurgery first performed by Australian surgeon Dr. Earl Owen (1934–2014) in 1971.
In most cases the vas deferens can be reattached but, in many cases, fertility is not achieved. There are several reasons for this, including blockages in the vas deferens, and the presence of autoantibodies which disrupt normal sperm activity. If blockage at the level of the epididymis is suspected, a vasoepididymostomy can be performed.
Return of sperm to the ejaculate depends greatly on the length of time from the vasectomy and the skill of the surgeon. Generally, the shorter the interval, the higher the chance of success. The likelihood of pregnancy can depend on female partner factors.
Over half of men who have undergone a vasectomy develop anti-sperm antibodies. The effects of anti-sperm antibodies continue to be debated in the medical literature, but there is agreement that antibodies may reduce sperm motility.
Only two conditions must be satisfied for sperm to be returned to a patient's semen with vasectomy reversal by vasovasostomy. First, the patient must have sperm available to pass through at least one reconnection. The second condition is that each reconnection must be as watertight as possible. The surgeon's goal is to achieve a very precise circumferential reconnection of the sperm canal edges by using meticulously placed microsurgical sutures.[citation needed]
Vasovasostomy can be performed in the convoluted or straight portion of the vas deferens.
Vasovasostomy is typically an out-patient procedure (patient goes home the same day).