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The duration of stenting after endoureterotomy is a controversial issue. An even more basic question, however, is whether stent placement is needed at all. We performed a porcine study to address this question. A unilateral midureteral stricture was created in 20 minipigs. Six weeks later, 15 pigs underwent endoureterotomy. In 10 animals, a 7F ureteral stent was placed for 1 week. Five pigs remained...
To study the acute and chronic tissue effects of using high pressure CO 2 to dissect tissues during laparoscopic procedures. A 5-mm. laparoscopic pneumodissector, capable of delivering brief bursts of high pressure CO 2 (20 to 100 psi), was discharged on a variety of porcine tissues including the renal hilum. Acute and chronic histological sections, intraoperative blood gases and...
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