Polymicrobial bacterial pericarditis and cardiac tamponade caused by pericardial penetration of an adjustable gastric band
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Updated: Feb 14, 2026

Sterile Pericarditis in Aachener Minipigs As a Model for Atrial Myopathy and Atrial Fibrillation
Published on: September 24, 2021
Ype de Jong1, Rhiannon B van Loenhout2, Dingeman J Swank3
1Department of Internal Medicine, Haaglanden Medical Centrum, The Hague, Netherlands.
Abstract:
We describe a case of polymicrobial bacterial pericarditis with Klebsiella pneumoniae and Proteus mirabilis, caused by pericardial penetration of the tip of the catheter of a laparoscopic adjustable gastric band (LAGB). The patient developed a cardiac tamponade, and subsequently emergency pericardiocentesis was performed. Analysis of earlier CT scans showed that the tip of the catheter had migrated through the liver and through the diaphragm into the pericardium, and was in contact with the myocardium. After stabilisation he was operated to remove the LAGB. In this case report, we describe the chain of events that led to the polymicrobial pericarditis-a complication of LAGB placement that to our knowledge has thus far never been reported. We furthermore present a detailed literature review of all published cases of polymicrobial pericarditis and its causes.
Insights
A laparoscopic adjustable gastric band (LAGB) catheter migrated through the liver and diaphragm, causing polymicrobial bacterial pericarditis. Emergency pericardiocentesis and LAGB removal were required to treat the cardiac tamponade.
Area of Science:
- Gastroenterology
- Infectious Diseases
- Cardiology
Background:
- Laparoscopic adjustable gastric band (LAGB) placement is a common bariatric surgery.
- Complications, though rare, can be severe.
- Polymicrobial bacterial pericarditis is an extremely uncommon complication of LAGB.
Observation:
- A case of polymicrobial bacterial pericarditis involving Klebsiella pneumoniae and Proteus mirabilis is presented.
- The infection resulted from the migration of an LAGB catheter tip through the liver and diaphragm into the pericardium.
- The catheter tip was observed in contact with the myocardium, leading to cardiac tamponade.
Findings:
- Emergency pericardiocentesis was performed to relieve cardiac tamponade.
- Surgical removal of the LAGB was necessary for patient stabilization.
- This represents a novel reported complication of LAGB placement.
Implications:
- Highlights a previously unreported severe complication of LAGB surgery.
- Emphasizes the importance of vigilant monitoring for migrated device components.
- Underscores the need for prompt diagnosis and management of infectious complications post-LAGB.
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