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Retrospective comparison of the effects of epidural anesthesia versus peripheral nerve block on postoperative outcomes in elderly Chinese patients with femoral neck fractures

Authors Jin J, Wang G, Gong M, Zhang H, Liu J

Received 21 April 2015

Accepted for publication 21 May 2015

Published 7 August 2015 Volume 2015:10 Pages 1223—1231


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Wu

Jianwen Jin,1 Gang Wang,2 Maowei Gong,3 Hong Zhang,3 Junle Liu2

1Department of Clinical Medicine, Fujian Health College, Fuzhou, 2Department of Anesthesiology, Chinese People’s Liberation Army 105 Hospital, Hefei, 3Anesthesia and Operation Center, Chinese People’s Liberation Army General Hospital, Beijing, People’s Republic of China

Background: Geriatric patients with femoral neck fracture (FNF) have unacceptably high rates of postoperative complications and mortality. The purpose of this study was to compare the effects of epidural anesthesia versus peripheral nerve block (PNB) on postoperative outcomes in elderly Chinese patients with FNF.
Methods: This retrospective study explored mortality and postoperative complications in geriatric patients with FNF who underwent epidural anesthesia or PNB at the Chinese People’s Liberation Army General Hospital from January 2008 to December 2012. The electronic database at the Chinese People’s Liberation Army General Hospital includes discharge records for all patients treated in the hospital. Information on patient demographics, preoperative comorbidity, postoperative complications, type of anesthesia used, and in-hospital, 30-day, and 1-year mortality after surgery was obtained from this database.
Results: Two hundred and fifty-eight patients were identified for analysis. The mean patient age was 79.7 years, and 71.7% of the patients were women. In-hospital, 30-day, and 1-year postoperative mortality was 4.3%, 12.4%, and 22.9%, respectively, and no differences in mortality or cardiovascular complications were found between patients who received epidural anesthesia and those who received PNB. More patients with dementia or delirium were given PNB. No statistically significant differences were found between groups for other comorbidities or intraoperative parameters. The most common complications were acute cardiovascular events (23.6%), electrolyte disturbances (20.9%), and hypoxemia (18.2%). Patients who received PNB had more postoperative delirium (P=0.027). Postoperative acute respiratory events were more common (P=0.048) and postoperative stroke was less common (P=0.018) in the PNB group. There were fewer admissions to intensive care (P=0.024) in the epidural anesthesia group. Key factors with a negative influence on mortality were acute cardiovascular events, dementia, male sex, age, American Society of Anesthesiologists score, acute respiratory events, intensive care admission, and comorbidities.
Conclusion: PNB was not associated with lower mortality or lower cardiovascular complication rates when compared with epidural anesthesia in elderly patients with FNF.

Keywords: femoral neck fractures, elderly, epidural anesthesia, peripheral nerve block, postoperative outcomes

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