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BMC Surgery
Published in: BMC Surgery 1/2009

Open Access 01-12-2009 | Research article

Prediction of conversion of laparoscopic cholecystectomy to open surgery with artificial neural networks

Authors: Changiz Gholipour, Mohammad Bassir Abolghasemi Fakhree, Rosita Alizadeh Shalchi, Mehrshad Abbasi

Published in: BMC Surgery | Issue 1/2009

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Abstract

Background

The intent of this study was to predict conversion of laparoscopic cholecystectomy (LC) to open surgery employing artificial neural networks (ANN).

Methods

The retrospective data of 793 patients who underwent LC in a teaching university hospital from 1997 to 2004 was collected. We employed linear discrimination analysis and ANN models to examine the predictability of the conversion. The models were validated using prospective data of 100 patients who underwent LC at the same hospital.

Results

The overall conversion rate was 9%. Conversion correlated with experience of surgeons, emergency LC, previous abdominal surgery, fever, leukocytosis, elevated bilirubin and alkaline phosphatase levels, and ultrasonographic detection of common bile duct stones. In the validation group, discriminant analysis formula diagnosed the conversion in 5 cases out of 9 (sensitivity: 56%; specificity: 82%); the ANN model diagnosed 6 cases (sensitivity: 67%; specificity: 99%).

Conclusion

The conversion of LC to open surgery is effectively predictable based on the preoperative health characteristics of patients using ANN.
Appendix
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Metadata
Title
Prediction of conversion of laparoscopic cholecystectomy to open surgery with artificial neural networks
Authors
Changiz Gholipour
Mohammad Bassir Abolghasemi Fakhree
Rosita Alizadeh Shalchi
Mehrshad Abbasi
Publication date
01-12-2009
Publisher
BioMed Central
Published in
BMC Surgery / Issue 1/2009
Electronic ISSN: 1471-2482
DOI
https://doi.org/10.1186/1471-2482-9-13

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