Cardiovascular complications on upper vagal rootlet section for glossopharyngeal neuralgia; case report

Acute hypotension and right bundle-branch block occurred when the authors sectioned the uppermost rootlet of the vagus nerve in a case of glossopharyngeal neuralgia. Hypotension lasted for 20 minutes and arrhythmia for 4 days. A possible mechanism is discussed and cardiovascular disorders are reviewed in similar cases.