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Medical Journal of The Islamic Republic of Iran
National Research Centre of Medical Sciences of I.R. IRAN
ISSN: 1016-1430
Vol. 20, No. 1, 2006, pp. 37-40
Bioline Code: mr06009
Full paper language: English
Document type: Research Article
Document available free of charge

Medical Journal of The Islamic Republic of Iran, Vol. 20, No. 1, 2006, pp. 37-40

 en LATERAL INTERNAL SPHINCTEROTOMY UNDER LOCAL ANESTHESIA: A RANDOMIZED CLINICAL TRIAL
MOHSEN TOWLIAT KASHANI, S.; LAK, MARZIE; MOHEBI, HASAN-ALI & PANAHE, FARZAD

Abstract

Background: Nowadays there is an attempt to perform lateral internal sphincterotomy (LIS) operation on an ambulatory basis under local anesthesia. This study aimed to compare postoperative outcome in local anesthesia with spinal anesthesia.
Methods: A randomized, double blinded, controlled trial was performed on 62 patients divided into group A (Local Anesthesia) and Group B (Spinal An-esthesia) with n=31 equally. To achieve adequate anesthesia a cocktail, 6cc of Lidocaine 2% and Marcaine 0.5% with the addition of some bicarbonate was injected into subcutaneous tissue and 20 cc of this was injected into the inter-sphincteric space before LIS. Postoperative pain was assessed by a 10 cm VAS.
Results: Needle pain scores in group A and B were: 2.29±1.40 vs. 16.1±0.88 but pain scores, 6 hours after LIS, before leaving hospital and at the first week after the operation were significantly lower in group A than B (1.90±1.07 vs. 3.77±1.25, 0.90±0.47 vs. 1.65±0.75, 0.71±0.46 vs.1.06±0.51 re-spectively). Need of opioid and codeine in the first 24 hours after the operation in group A was significantly less than the other group. Also nausea and vomit-ing in group A was significantly lower than group B.
Conclusion: The study showed that LIS under local anesthesia is a less painful technique in office surgery.

Keywords
Lateral Internal Sphincterotomy, Local Anesthesia, Pain

 
© Copyright 2006 -Medical Journal of the Islamic Republic of Iran
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