The Effects of Local Anesthetics on Postoperative Pain |
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| Institution: | 1. University Hospitals of Leicester NHS Trust, UK;2. Clinical Research Unit in Pain Medicine, UK;1. Department of Urology, University of California San Francisco, San Francisco, CA;2. Department of Surgery, Division of Urology, University of Vermont Medical Center, Burlington, VT;3. Department of Urology, University of Pittsburgh Medical Center, Pittsburgh, PA;4. Department of Biostatistics and Epidemiology, University of California San Francisco, San Francisco, CA |
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| Abstract: | This study was performed to determine if intraoperative local anesthesia improved control of postoperative pain after inguinal herniorrhaphy and to compare the effects of two commonly used local anesthetics on pain management. The Gate Control Theory of Pain formed the theoretical basis for this study. A retrospective nonexperimental study in an ex post facto design was used. Data were collected from 1990 through 1997 on 120 patient charts. The use of local anesthetic intraoperatively significantly decreased patients' lengths of stay postoperatively (P = 0.00) and need for postoperative narcotics (P = 0.00). Bupivacaine was found to be superior to lidocaine in decreasing the need for postoperative narcotic analgesia. Researchers concluded that many patients would benefit from intraoperative injection of local anesthesia. This information can affect patient care outcomes through decreasing recovery time, reducing postoperative pain, and reducing health care costs. |
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