PubMed · 8475606
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K Miller. 1993. [Urinary diversion: pathophysiological principles].. https://pubmed.ncbi.nlm.nih.gov/8475606/
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Outflow anastomoses of infrainguinal distal bypass grafts are often located beneath compromised skin wounds, which may dehisce leading to exposure of the distal graft anastomosis. Debridement of necrotic skin and flap coverage of the graft are standard remedial procedures for this complication. Very distal sites in the lower extremity offer few local muscle flap coverage options and may require free tissue transfer. We describe a simple local advancement flap technique that we have found to be successful without the need to perform free tissue transfer in the majority of cases.
An extracardiac repair technique is described for the anomalously connecting left superior vena cava in complex unroofed coronary sinus syndrome. In this technique, the left superior vena cava is divided distally and is anastomosed to the right superior vena cava in an end-to-side fashion; in addition, the intracardiac anomalies are corrected. The main advantage of this technique consists of avoidance of the various disadvantages of construction of a complex intraatrial baffle.
PURPOSE: A technique of vasovasostomy that facilitates precision suture placement is presented. MATERIALS AND METHODS: The technique involves mapping of the planned suture exit points with "microdots" placed on the cut ends of the vas deferens with a microtip marking pen. Microdots are placed at 12, 3, 6 and 9 o'clock positions. Four additional dots are placed between each of the previous 4 dots. Exactly 8 mucosal sutures (double armed 10-zero monofilament sutures) are used for each anastomosis. The anastomosis is completed with 8 muscularis sutures (9-zero monofilament) and 6 to 8 sutures (6-zero monofilament) approximating the vasal sheath. RESULTS: In a series of 194 consecutive vasovasostomy procedures using this technique a patency rate of 99.5% was achieved. Pregnancy rates of 54% (crude) and 64% (excluding female factor infertility) were observed for the first 100 subjects of this cohort. CONCLUSIONS: The microdot technique ensures precision suture placement and facilitates the anastomosis of lumens of discrepant diameters by exact mapping of each planned suture. The microdot method separates the planning from the placement. Patency rates using the microdot technique approach 100%.