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Related Experiment Videos

Extra-abdominal pneumodissection after laparoscopic antireflux surgery.

J A Harris1, C D Gallo, D M Brummett

  • 1Department of General Surgery, Medical College of Georgia, Augusta 30912, USA.

The American Surgeon
|September 22, 2001
PubMed
Summary

Pneumodissection, the spread of carbon dioxide gas, is common after laparoscopic antireflux surgery. This gas typically resolves within four days, but persistent large amounts may indicate a complication.

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Area of Science:

  • Laparoscopic surgery
  • Surgical complications
  • Medical imaging

Background:

  • Laparoscopic antireflux surgery involves creating pneumoperitoneum, which can lead to carbon dioxide dissection.
  • Pneumodissection describes the spread of CO2 into various body cavities and tissues.

Purpose of the Study:

  • To determine the incidence, extent, duration, and pathways of pneumodissection following laparoscopic antireflux surgery.

Main Methods:

  • Study included twenty patients undergoing laparoscopic antireflux surgery.
  • Physical examinations and chest radiographs were conducted postoperatively.
  • Noncontrast computed tomography (CT) scans of the neck, chest, and upper abdomen were performed on postoperative day one.

Main Results:

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  • Subcutaneous emphysema and radiologic evidence of pneumodissection were common, typically resolving within four days.
  • Pneumomediastinum occurred in 85% and pneumodissection into the neck in 80% of patients on CT scans.
  • The anterior mediastinum to neck via the carotid space was the most frequent pathway for gas dissection.

Conclusions:

  • Gas dissection into the mediastinum, neck, and subcutaneous tissues is a frequent occurrence after laparoscopic antireflux surgery.
  • Subcutaneous emphysema and radiographic pneumodissection usually resolve within 3–4 days.
  • Substantial gas presence beyond four days post-surgery warrants consideration as a potential complication.