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Azygos arch cannulation by central venous catheters for hemodialysis
A Granata1, M Figuera, S Castellino
1Department of Nephrology and Dialysis, 'Vittorio Emanuele' Hospital, Catania, Italy. a.granata@mail.gte.it
Insights
Central venous catheter placement for temporary hemodialysis is common but can lead to rare complications like azygos arch cannulation. Early recognition and correction are vital to prevent serious patient harm.
Area of Science:
- Nephrology
- Vascular Surgery
- Medical Imaging
Background:
- Central venous catheterization is crucial for temporary hemodialysis in end-stage renal failure patients.
- Internal jugular vein cannulation is preferred due to lower complication rates.
- Catheter malposition can cause significant morbidity and mortality if not addressed promptly.
Observation:
- Azygos arch cannulation risk increases with left-sided venous access.
- This rare complication can occur during central venous catheter insertion for hemodialysis.
Findings:
- The study reports a case of a rare complication during temporary hemodialysis catheter insertion.
- Anatomical factors, particularly left-sided venous access, elevate the risk of azygos arch cannulation.
Implications:
- Highlights the importance of recognizing and managing rare catheter malpositions.
- Emphasizes the need for vigilance during central venous catheterization, especially via left-sided approaches.
- Underscores the potential for severe outcomes if complications like azygos arch cannulation are not treated early.
Abstract:
Cannulation of central veins and placement of catheters for temporary haemodialysis is a common procedure in the management of patients with end stage renal failure. The internal jugular vein is the site of choice for central venous catheter placement, being associated with the lowest complication rate. This procedure can be associated with a variety of malpositions of the catheter and rarely, can lead to significant morbidity and even mortality, if this is not recognised and corrected early. For anatomical reasons, the risk of azygos arch cannulation is substantially increased if catheters are inserted via left-sided veins. We report a case with a rare complication associated with the insertion of a catheter for temporary haemodialysis.
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