Pakistan Journal of Medical Sciences

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ISSN 1681-715X

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Volume 25

October - December 2009 (Part-I)

Number  5


 

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Studying analgesic effect of preincisional infiltration
of lidocaine as a local anesthetic with different
concentrations on postoperative pain

M.R. Afhami1, P.H. Salmasi2

ABSTRACT

Objective: Preincisional infiltration of anesthetics into surgical wounds may be effective in various elective surgeries. The aim of this study was to asses the effect of lidocaine infiltration with different concentrations in relieving post operative pain in tubectomy patients.

Methodology: This is a placebo controlled double blind trial, performed on 80 female patients candidated for tubectomy with general anesthesia between the years 2006-2007. The study was conducted in Tabriz University of Medical Sciences, Tabriz, IRAN. The patients were consecutively randomized into four groups. Three groups which consisted of 20 patients each received lidocaine infiltration before skin incision with different concentrations (0.5%, 1%, 1.5%) and were examined for intensity of feeling pain and the duration of analgesia in comparison to the fourth group or control group (20 patients), in which normal saline solution infiltration was used. In this study the intensity of postoperative pain was assessed using VRS (Verbal Rating Scale). Data collection was done using the questionnaire, and collected data was analyzed by student t-test, using SPSS software and descriptive statistical program. P<0.05 was considered significant.

Results: Average duration of analgesia was five hours about groups I, 3:30 hours for group II and it reported to be 20 hours in group III. In the control group, however, it was only an hour.

Conclusion: Preincisional local infiltration of lidocaine 1.5% is an effective, simple and cost-effective approach for postoperative pain relief among tubectomy patients.

KEY WORDS: Lidocaine, Local infiltration, Analgesia.

Pak J Med Sci    October - December 2009 (Part-I)    Vol. 25 No. 5    821-824

How to cite this article:

Afhami MR, Salmasi PH. Studying analgesic effect of preincisional infiltration of lidocaine as a local anesthetic with different concentrations on postoperative pain. Pak J Med Sci 2009;25(5):821-824.


1. M.R. Afhami
Medical Faculty, Dept. of Anesthesiology,
2. P.H. Salmasi
Paramedical Faculty, Department of Anesthesiology,
1-2: Tabriz University of Medical Sciences,
Tabriz, IRAN.

Correspondence

P.H. Salmasi,
Email: hassanzadehsp@yahoo.com

* Receive for publication: August 20, 2008

* Revision Received: August 4, 2009

* Revision Accepted: August 7, 2009



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