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Surgical Endoscopy

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01-04-2011

Defining the learning curve in laparoscopic paraesophageal hernia repair: a CUSUM analysis

Authors: Allan Okrainec, Lorenzo E. Ferri, Liane S. Feldman, Gerald M. Fried

Published in: Surgical Endoscopy | Issue 4/2011

Abstract

Introduction

There are numerous reports in the literature documenting high recurrence rates after laparoscopic paraesophageal hernia repair. The purpose of this study was to determine the learning curve for this procedure using the Cumulative Summation (CUSUM) technique.

Methods

Forty-six consecutive patients with paraesophageal hernia were evaluated prospectively after laparoscopic paraesophageal hernia repair. Upper GI series was performed 3 months postoperatively to look for recurrence. Patients were stratified based on the surgeon’s early (first 20 cases) and late experience (>20 cases). The CUSUM method was then used to further analyze the learning curve.

Results

Nine patients (21%) had anatomic recurrence. There was a trend toward a higher recurrence rate during the first 20 cases, although this did not achieve statistical significance (33% vs. 13%, p = 0.10). However, using a CUSUM analysis to plot the learning curve, we found that the recurrence rate diminishes after 18 cases and reaches an acceptable rate after 26 cases.

Conclusions

Surgeon experience is an important predictor of recurrence after laparoscopic paraesophageal hernia repair. CUSUM analysis revealed there is a significant learning curve to become proficient at this procedure, with approximately 20 cases required before a consistent decrease in hernia recurrence rate is observed.

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Title: Defining the learning curve in laparoscopic paraesophageal hernia repair: a CUSUM analysis
Authors: Allan Okrainec
Lorenzo E. Ferri
Liane S. Feldman
Gerald M. Fried
Publication date: 01-04-2011
Publisher: Springer-Verlag
Published in: Surgical Endoscopy / Issue 4/2011
Print ISSN: 0930-2794
Electronic ISSN: 1432-2218
DOI: https://doi.org/10.1007/s00464-010-1321-6

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Defining the learning curve in laparoscopic paraesophageal hernia repair: a CUSUM analysis

Abstract

Introduction

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Introduction

Methods

Results

Conclusions

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