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Am J Surg. 2009 Nov;198(5):720-5. doi: 10.1016/j.amjsurg.2008.11.043. Epub 2009 May 9.

Prospective randomized trial of paravertebral block for patients undergoing breast cancer surgery.

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1
Department of Surgery, The University of Texas, MD Anderson Cancer Center, Houston, TX, USA.

Abstract

BACKGROUND:

The goal of the current study was to evaluate the effect of regional anesthesia using paravertebral block (PVB) on postoperative pain after breast surgery.

METHODS:

Patients undergoing unilateral breast surgery without reconstruction were randomized to general anesthesia (GA) only or PVB with GA and pain scores assessed.

RESULTS:

Eighty patients were randomized (41 to GA and 39 to PVB with GA). Operative times were not significantly different between groups. Pain scores were lower after PVB compared to GA at 1 hour (1 vs 3, P = .006) and 3 hours (0 vs 2, P = .001) but not at later time points. The overall worst pain experienced was lower with PVB (3 vs 5, P = .02). More patients were pain-free in the PVB group at 1 hour (44% vs 17%, P = .014) and 3 hours (54% vs 17%, P = .005) postoperatively.

CONCLUSIONS:

PVB significantly decreases postoperative pain up to 3 hours after breast cancer surgery.

PMID:
19427625
DOI:
10.1016/j.amjsurg.2008.11.043
[Indexed for MEDLINE]
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