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J Gastrointest Surg. 2014 Mar;18(3):605-12. doi: 10.1007/s11605-013-2390-3. Epub 2013 Nov 16.

Does chronic kidney disease affect outcomes after major abdominal surgery? Results from the National Surgical Quality Improvement Program.

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1
Department of Surgery, Stanford University, 300 Pasteur Dr, MC5641, Stanford, CA, 94305, USA, jcloyd@stanford.edu.

Abstract

INTRODUCTION:

The impact of chronic kidney disease (CKD) and end-stage renal disease on outcomes following major abdominal surgery is not well defined.

MATERIALS AND METHODS:

The 2008 NSQIP database was queried to identify adult patients undergoing complex abdominal surgery (major colorectal, hepatobiliary, pancreatic, gastric, and esophageal operations). Thirty-day morbidity and mortality in patients on hemodialysis (HD) versus patients not on HD were compared. The impact of preoperative renal insufficiency, measured by glomerular filtration rate (GFR), on morbidity and mortality was then assessed in non-dialysis patients.

RESULTS:

Of 24,572 patients who underwent major abdominal operations, excluding emergency cases, only 149 (0.6%) were on HD preoperatively. Thirty-day mortality in the HD group was 12.8% compared to 1.8% for those not on HD (p < 0.0001). Overall complication rate was 23.5 versus 12.3% (p < 0.0001). In particular, rates of pneumonia (6.7 vs 3.0%, p < 0.05) and sepsis (12.8 vs 5.3%, p < 0.001) were higher in patients on HD. In patients not on HD, GFR was significantly predictive of postoperative mortality after controlling for age, gender, race, emergency status, and comorbidities. Compared to patients with normal preoperative kidney function (GFR, 75-90 ml/min/1.73 m(2)), even modest CKD (GFR, 45-60 ml/min/1.73 m(2)) was associated with increased postoperative mortality (odds ratio (OR), 1.62). With greater impairment in kidney function, postoperative mortality was even more marked (GFR, 30-45 ml/min/1.73 m(2) and OR, 2.84; GFR, 15-30 ml/min/1.73 m(2) and OR, 5.56). In addition, CKD was independently associated with increased postoperative complications.

CONCLUSION:

Any degree of preoperative kidney impairment, even mild asymptomatic disease, is associated with clinically significant increases in 30-day postoperative morbidity and mortality following major abdominal surgery.

PMID:
24241964
DOI:
10.1007/s11605-013-2390-3
[Indexed for MEDLINE]
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