Semnan University of Medical Sciences

Research and Technology Vice Chancellor

Jahangirifard, Alireza and Razavi, Mohammadreza and Ahmadi, Zargham Hosein and Forozeshfard, Mohammad (2018) Effect of TENS on Postoperative Pain and Pulmonary Function in Patients Undergoing Coronary Artery Bypass Surgery. Pain Management Nursing. ISSN 15249042

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Abstract

The aim of this study was to determine the effect of electrical nerve stimulation on pain intensity and pulmonary function in patients undergoing coronary artery bypass surgery. In a randomized clinical trial, a total of 100 patients undergoing coronary artery bypass surgery at Masih Daneshvari Hospital, Tehran, Iran, from February to May 2014, were divided into two groups. In the intervention group (n = 50), patients received routine care along with transcutaneous electrical nerve stimulation (TENS) immediately after admission to the intensive care unit (ICU). In the placebo group (n = 50), patients only received routine care. The pain intensity was measured using a visual analog scale (VAS) every 6 hours for 72 hours after surgery in two conditions of rest and coughing. Pulmonary function was assessed through forced expiratory volume in 1 second (FEV1) and forced volume capacity (FVC) at 24, 48, and 72 hours after surgery. Age, gender, body mass index, narcotic consumption, ICU length of stay, and requests for chest radiographs were recorded. The statistical level of significance was set at p < .05. There were no significant differences between the two groups in terms of age, gender, and body mass index (p > .05). Pain intensity was significantly lower in the TENS group than the placebo group in both resting and coughing condition (p < .05). FVC and FVE1 were significantly better and faster in the TENS group than in the placebo group at 24, 48, and 72 hours after surgery (p < .05). Patients in the TENS group had significantly lower narcotic use and requests for chest radiographs compared with placebo group. TENS may reduce postoperative pain in resting and coughing conditions, improve pulmonary function, and reduce narcotic use in patients undergoing coronary artery bypass surgery.

Item Type: Article
Subjects: R Medicine > R Medicine (General)
Divisions: Faculty of Medical Sciences > School of Medicine
Depositing User: Mr Vahab Moshtaghi
Date Deposited: 04 May 2018 23:24
Last Modified: 23 May 2018 01:27
URI: http://eprints.semums.ac.ir/id/eprint/1398

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