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Related Experiment Videos

The learning curve in pancreatic surgery.

Jennifer F Tseng1, Peter W T Pisters, Jeffrey E Lee

  • 1Department of Surgery and the UMass Memorial Cancer Center, University of Massachusetts Medical School, Worcester, MA 01605, USA. tsengj@ummhc.org

Surgery
|May 22, 2007
PubMed
Summary
This summary is machine-generated.

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Pancreaticoduodenectomy has a learning curve. Surgeons improved significantly after 60 cases, showing reduced blood loss, shorter operative times, and fewer positive margins.

Area of Science:

  • Surgical Oncology
  • Gastrointestinal Surgery
  • Medical Education

Background:

  • Pancreaticoduodenectomy is a complex surgical procedure.
  • A learning curve for pancreaticoduodenectomy was hypothesized, even for experienced surgeons.

Purpose of the Study:

  • To investigate the existence and impact of a learning curve in pancreaticoduodenectomy.
  • To quantify improvements in surgical outcomes with increasing surgeon experience.

Main Methods:

  • A retrospective study of 650 pancreaticoduodenectomies performed by 3 surgeons between 1990-2004.
  • Analysis of operative time, estimated blood loss (EBL), length of hospital stay (LOS), and margin status.
  • Serial groups of 30 cases were used to model trends over time.

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Main Results:

  • Significant reductions in EBL, operative time, and LOS were observed between the first and second 60 cases per surgeon.
  • The rate of positive or suspicious resection margins decreased significantly after the initial 60 cases.
  • Further incremental improvements were noted with continued surgical experience.

Conclusions:

  • Pancreaticoduodenectomy demonstrates an inherent learning curve.
  • Surgeons achieve improved outcomes, including reduced complications and better margin-negative resections, after approximately 60 cases.
  • Surgical proficiency and outcomes continue to improve throughout a surgeon's career.