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Transient Recurrent Laryngeal Nerve Palsy after Interventional Therapy
Guido Mandilaras1, Christoph M Happel2, Christoph M Funk1
1Division of Pediatric Cardiology and Pediatric Intensive Care, University Hospital of Munich, LMU, Munich, Germany.
The Thoracic and Cardiovascular Surgeon
|December 22, 2022
Summary
Hoarseness after aortic arch or pulmonary artery interventions is rare but possible. Vocal cord paralysis occurred in four patients post-stenting, with symptoms improving over six months.
Area of Science:
- Cardiology
- Otolaryngology
Background:
- Laryngeal nerve injury causing hoarseness is a known complication of cardiothoracic surgery.
- This complication is rarely reported after less invasive catheter interventions.
Observation:
- Four patients developed left-sided vocal cord paralysis after aortic arch or left pulmonary artery (LPA) stenting procedures.
- Symptoms of hoarseness emerged post-intervention, with diagnosis confirmed as vocal cord paralysis.
- Angiography showed no signs of extravasation or dissection, ruling out procedural injury.
Findings:
- Patients undergoing aortic arch interventions experienced complete remission of symptoms within six months.
- Patients with procedures involving the LPA showed only mild symptom regression.
- Hoarseness and vocal cord paralysis are rare but recognized complications of cardiovascular interventions.
Implications:
- Recognition of Ortner's syndrome (cardiovocal syndrome) is crucial for managing patients post-interventional cardiology procedures.
- Systematic screening for hoarseness after interventions can help identify at-risk patients.
- Increased awareness may improve patient outcomes and inform future risk management strategies.
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