Yuya Ando, Kenichi Hashimoto, Azusa Sano, Naoya Fujita, Rempei Yanagawa, Yosuke Ono, Yasuhiro Obuchi, Daisuke Tatsushima, Shun Watanabe, Masayuki Tomifuji, Yuji Tanaka
RATIONALE: Syncope often occurs in patients with advanced head and neck cancers due to the stimulation of the autonomic nervous system by the tumor. Here, we describe a case of frequent syncopal episodes after laryngopharyngectomy for hypopharyngeal cancer. As all syncopal episodes were observed during the forenoon, we also evaluated the heart rate variability using ambulatory electrocardiography to determine why the syncopal episodes occurred during a specified period of the day. PATIENT CONCERNS: A 73-year-old Japanese man who underwent laryngopharyngectomy for recurrent hypopharyngeal cancer started experiencing frequent episodes of loss of consciousness that occurred during the same time period (10:00-12:00)...
May 21, 2021: Medicine (Baltimore)