Springer Online Journal Archives 1860-2000
Summary The aim of this study was to evaluate a possible advantage concerning the perceived level of pain following tension free hernia repair, by applying local anesthesia postoperatively. A prospective randomised double blind study was performed on patients undergoing tension free hernia repair according to the techniques of Lichtenstein. Two groups, each consisting of 30 patients, underwent tension free hernia repair under local anesthesia, during which a drainage tube was placed beneath the aponeurotic layer of the external oblique muscle. On the first postoperative day the patients received either local anesthesia (LA) or isotonic saline, through the drainage tube, which was then removed. For a period of six days, from the operation day onwards, the perceived level of pain was measured using a Visual Analogue Scale (VAS). All patients were mobilised early, the latest being 4 hours after the operation. Comparing the perceived pain levels (VAS) between the two groups of patients there was no significant or relevant advantages of applying local anesthesia. If performing the tension free hernia repair under local anesthesia conditions, the application of local anesthesia 24 hours later does not significantly reduce the perceived level of pain. This kind of analgesia is, therefore, not recommended for postoperative analgesia after tension free hernia repair.
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