Extrinsic compression of the left atrium by a mediastinal hematoma secondary to inadvertent carotid puncture
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Published on: August 24, 2018
Alberto Bouzas-Mosquera1, Victor X Mosquera, Francisco Portela
1Department of Cardiology, Juan Canalejo Hospital, A Coruña, Spain. aboumos@canalejo.org
Insights
A 63-year-old man developed a mediastinal hematoma after mitral leak closure surgery. This complication arose from an inadvertent carotid artery puncture during central venous line placement.
Area of Science:
- Cardiovascular Surgery
- Interventional Cardiology
- Medical Imaging
Background:
- Paravalvular leaks are serious complications following valve replacement surgery.
- Surgical closure is a potential treatment option for significant paravalvular leaks.
- Central venous line insertion is a common pre-operative procedure.
Observation:
- A 63-year-old male patient underwent surgical repair for a paravalvular mitral leak.
- Post-operative transesophageal echocardiography identified a large mediastinal hematoma.
- The hematoma was compressing the left atrium and obscuring visualization.
Findings:
- The mediastinal hematoma was directly linked to an inadvertent puncture of the carotid artery.
- The carotid artery injury was presumed to have occurred during prior central venous line insertion.
- This complication highlights a rare but critical risk associated with central venous access.
Implications:
- Accurate pre-procedural planning and meticulous technique are crucial during central venous line insertion.
- Awareness of potential vascular complications is essential for surgical and anesthesia teams.
- Prompt diagnosis and management of mediastinal hematomas are vital for patient outcomes.
Abstract:
We present the case of a 63-year-old man who underwent surgical closure of a paravalvular mitral leak. Immediately after surgery, transesophageal echocardiography revealed the appearance of a mediastinal hematoma encroaching on the left atrium and separating the esophageal probe from the posterior left atrial wall. The cause was an inadvertent puncture of the carotid artery, presumably during central venous line insertion prior to surgery.
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