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Published on: September 28, 2009
A knot in the heart
Hesham Ahmed1, Daniel Kaufman, Michael E Zenilman
1Department of Trauma Surgery and Critical Care, Kings County Hospital Center, State University of New York-Downstate Medical Center, Brooklyn, New York, USA. hesham.ahmed@downstate.edu
Insights
Swan-Ganz catheter knotting is a rare but serious complication. This case highlights prevention through careful monitoring of inserted catheter length against waveform changes, crucial for patient safety.
Area of Science:
- Cardiology
- Medical Devices
- Interventional Radiology
Background:
- The pulmonary artery catheter (PAC), or Swan-Ganz catheter, has been a subject of debate since its inception.
- Catheter placement is associated with numerous complications, including knotting, which can have severe consequences.
Observation:
- This report details a rare instance of Swan-Ganz catheter knotting.
- The knotting occurred due to the excessive insertion of the catheter into the heart.
Findings:
- Swan-Ganz catheter knotting is a rare complication.
- Interventional radiological techniques can successfully manage catheter knotting.
- Prevention is possible by correlating the inserted PAC length with waveform changes.
Implications:
- Adherence to insertion guidelines can prevent catastrophic complications.
- Interventional radiology offers effective solutions for managing catheter-related issues.
- Improved understanding of PAC mechanics enhances patient safety and procedural outcomes.
Abstract:
Few diagnostic modalities in medicine have been the subject of greater debate for as long after their inception as the pulmonary artery catheter. Placement of a Swan-Ganz catheter is associated with various complications, one of which is knotting. Complications of usage of these catheters are numerous and can have devastating effects. Knotting of Swan-Ganz catheters is a rare complication that can often be managed successfully using interventional radiological techniques. The case reported is a rare case of Swan-Ganz catheter knotting resulting from inserting an excessive length of Swan-Ganz catheter into the heart. Knotting can be prevented by following the principle rule in floating Swan-Ganz catheters by correlating the inserted length of pulmonary artery catheter (PAC) with the expected change in waveform.
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