Year : 2022  |  Volume : 16  |  Issue : 1  |  Page : 108-110

Cardiovascular monitoring in patients with hypertrophic obstructive cardiomyopathy in a prone position: A report of 2 cases

1 Department of Anesthesia, Nippon Koukan Hospital, Kawasaki, Japan
2 Department of Anesthesia, Nippon Koukan Hospital, Kawasaki; Department of Intensive Care Medicine, Saiseikai Yokohamashi Tobu Hospital, Yokohama, Japan
3 Department of Anesthesia and Intensive Care Medicine, Kawaguchi Cardiovascular and Respiratory Hospital, Kawaguchi, Japan

Correspondence Address:
Yukihide Koyama
Department of Anesthesia, Nippon Koukan Hospital, 1-2-1, Koukan-dori, Kawasaki-ku, Kawasaki-shi, Kanagawa Prefecture, Kawasaki 210-0852
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/sja.sja_379_21

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Supine positioning in patients with hypertrophic obstructive cardiomyopathy (HOCM) can affect their preload, afterload, and heart rate, potentially leading to cardiovascular collapse. Here, we report the successful anesthetic management of two patients with HOCM who underwent spinal surgery in a prone position. The approximate values of the systemic vascular resistance index (SVRI) were continuously calculated without measuring the central venous pressure. Intraoperative monitoring of the SVRI estimates may be helpful in patients with HOCM so as to avoid cardiovascular collapse when monitoring with both transesophageal echocardiography and a central venous catheter is clinically inappropriate.

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