期刊
PAIN
卷 109, 期 1-2, 页码 103-109出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1016/j.pain.2004.01.015
关键词
longitudinal analysis; pain measurement; global ratings of satisfaction; coronary artery bypass graft; sternotomy
Patients undergoing major surgery often require several days of post-operative analgesic management. However, little data are available on the course of post-operative pain during this period. Such data would be extremely helpful in planning treatment, formulating pain management guidelines. and determining how to construct multiple-dose post-operative analgesic clinical trials. The objectives of this study were to determine (1) if post-operative pain severity. as measured by a modified version of the Brief Pain Inventory (BPI), can be categorized as mild. moderate. or severe in terms of modified BPI pain interference scores, (2) the relationship between modified BPI pain ratings and responses to a categorical item that specifically measures post-sternotomy pain, and (3) the relationship between global ratings of study medication effectiveness and other pain measures. This study is a reanalysis of data front patients who underwent coronary artery bypass graft procedures. We found that the pain severity level Cut points developed for chronic pain apply equally well to post-operative pain. Based on this classification scheme, 18% of patients reported moderate pain after day 3, while 14% reported severe pain. Only 9% of patients reported experiencing moderate-to-severe pain approximately 2 weeks later, at the end of the study. Describing pain as mild, moderate, or severe Could be a simple. meaningful clinical trial outcome measure. Because most patients experience only mild pain 6 days after surgery, long term clinical trials of post-operative pain control may be more efficient and cost-effective if they focus on the subset of patients with persistent moderate or severe pain. (C) 2004 International Association for the Study of Pain. Published by Elsevier B.V. All rights reserved.
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