[Routine fluoroscopic investigations after primary bariatric surgery]

Area of Science:

• Bariatric Surgery
• Gastrointestinal Radiology
• Surgical Complications

Background:

• Staple line and anastomotic leakages are severe complications following bariatric surgery.
• Upper gastrointestinal (GI) tract X-ray with water-soluble contrast is a method for leak detection.
• Evaluating the utility of routine upper GI fluoroscopy post-bariatric surgery is crucial.

Purpose of the Study:

• To assess the impact and diagnostic yield of routine upper GI tract fluoroscopy after primary bariatric procedures.
• To determine if routine fluoroscopy aids in the early detection of staple line or anastomotic leaks.

Main Methods:

• A single-center study included 307 sleeve gastrectomies and 135 Roux-en-Y gastric bypasses from 2009-2014.
• Routine upper GI fluoroscopy was performed between postoperative days 1-3 up to December 2012.
• Leak detection rates and correlation with clinical symptoms were evaluated.

Main Results:

• Nine leakages occurred in 442 primary bariatric operations (2.0%).
• Only one leakage was detected by upper GI fluoroscopy; nine cases had unremarkable findings.
• No leakages were identified in asymptomatic patients, while all symptomatic patients had leaks.

Conclusions:

• Routine upper GI fluoroscopy is not recommended for patients with uneventful postoperative courses after primary bariatric surgery.
• The diagnostic yield of routine fluoroscopy in asymptomatic patients is low.
• Focusing on clinical symptoms is more effective for detecting complications in the early postoperative period.