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Int J Colorectal Dis. 2014 Jan;29(1):51-5. doi: 10.1007/s00384-013-1738-1. Epub 2013 Jul 12.

Postoperative arterial blood lactate level as a mortality marker in patients with colorectal perforation.

Author information

1
Department of Surgery, Ibaraki Medical Center, Tokyo Medical University, 3-20-1, Chuo Ami-Machi, Inasiki-Gun, Ibaraki, 300-0395, Japan, shima-j@tokyo-med.ac.jp.

Abstract

PURPOSE:

This study aims to assess the clinical relevance of postoperative arterial blood lactate (LAC) level as a prognostic factor in patients with colorectal perforation.

METHODS:

Forty-two patients (22 males, 20 females; mean age, 70.8 years) underwent emergency surgery for colorectal perforation. The patients were divided into mortality and survivor groups. As a prognostic scoring system, Acute Physiological and Chronic Health Evaluation II (APACHE-II), Sequential Organ Failure Assessment (SOFA), and Systemic Inflammatory Response Syndrome criteria were calculated. These scores, postoperative LAC level, and other data, including site and etiology of perforation, elapsed time from onset to surgery (eTIME), preoperative white blood cell (WBC) and platelet counts, preoperative C-reactive protein (CRP), and preoperative arterial blood base excess were assessed between the groups.

RESULTS:

The total mortality rate was 33.3 %. On univariate analysis, the APACHE-II and SOFA scores were significantly higher, and eTIME was significantly longer in the mortality group than in the survivor group. The postoperative LAC level was significantly higher in the mortality group (43.1 ± 14.1 mg/dl) than in the survivor group (23.8 ± 12.7 mg/dl; p < 0.001), and the preoperative WBC was significantly lower in the mortality group than in the survivor group. Multivariate logistic regression analysis using the mortality risk factors determined by univariate analysis (eTIME, APACHE-II score, SOFA score, preoperative WBC count, and postoperative LAC) demonstrated that postoperative LAC level was an independent risk factor for mortality.

CONCLUSIONS:

High postoperative LAC level was a useful factor for predicting high mortality rate in patients with colorectal perforation.

PMID:
23846515
PMCID:
PMC3898377
DOI:
10.1007/s00384-013-1738-1
[Indexed for MEDLINE]
Free PMC Article
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