The National Mortality Burden and Significant Factors Associated with Open and Laparoscopic Cholecystectomy: 1997–2006

  • James P. Dolan
  • Brian S. Diggs
  • Brett C. Sheppard
  • John G. Hunter
Original Article

Abstract

Introduction

This study aims to determine the mortality rate and significant factors associated with laparoscopic (LC) and open cholecystectomies (OC) over a 10-year period.

Methods

Using the Nationwide Inpatient Sample, we analyzed data for both LC and OC between 1997 and 2006. Cholecystectomies performed as part of another primary procedure were excluded. Using procedure-specific codes, we calculated annual national volumes for both open and laparoscopic cholecystectomies for the time period under review and the associated in-hospital mortality following both of these procedures. Using logistic regression modeling, we then analyzed selected patient and institutional characteristics to determine if a significant association existed between these factors and in-hospital mortality.

Results

There was a 16% increase in the volume of LC and a corresponding decrease in open procedures over the 10 years under review. In 2006, 12% of cholecystectomies were still performed using an open approach and the associated mortality remained significantly higher than that seen with LC. Overall, after adjusting for patient and hospital characteristics, the mortality for OC was higher than that for LC (OR 4.57; 95% CI, 4.37–4.79, p < 0.001). Age (>60 years), male gender, non-elective admission, admission source, and a primary diagnosis other than cholelithiasis were all independently associated with increased mortality. The average mortality rate associated with conversion from LC to OC was found to be 0.7%.

Conclusions

These data indicate an increase in the proportion LCs performed over the years under study with a decrease in the proportion of OCs. However, OCs remain associated with a significant mortality burden when compared with the laparoscopic approach.

Keywords

Open cholecystectomy Laparoscopic cholecystectomy Mortality Cholecystectomy mortality Mortality factors 

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Copyright information

© The Society for Surgery of the Alimentary Tract 2009

Authors and Affiliations

  • James P. Dolan
    • 1
  • Brian S. Diggs
    • 1
  • Brett C. Sheppard
    • 1
  • John G. Hunter
    • 1
  1. 1.Department of Surgery, Division of General SurgeryOregon Health and Science UniversityPortlandUSA

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