• Mikio Nakajima, Shotaro Aso, Hiroki Matsui, Kiyohide Fushimi, and Hideo Yasunaga.
• Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Bunkyo-ku, Tokyo, Japan; Department of Emergency Medicine, Kyorin University School of Medicine, Mitaka-shi, Tokyo, Japan. Electronic address: mikioh@ks.kyorin-u.ac.jp.
• J Crit Care. 2018 Apr 1; 44: 388-391.

PurposeThis study was performed to elucidate the current clinical features and outcomes of tetanus using a national inpatient database in Japan.Materials And MethodsWe used the Japanese Diagnosis Procedure Combination inpatient database to retrospectively investigate patients with tetanus from July 2010 to March 2016. We examined the patients' characteristics; the proportions of patients requiring tracheal intubation, mechanical ventilation, and tracheostomy; and the discharge status.ResultsWe identified 499 patients who were diagnosed with tetanus. No patient had a diagnosis of tetanus neonatorum or obstetric tetanus. The median age was 74years. Overall, 53.5% of the patients required intubation and mechanical ventilation. Among patients who required intubation and mechanical ventilation, 80.6% started it within 3days of admission, and 77.5% required tracheostomy during hospitalization. The median duration of mechanical ventilation was 23days. The median length of hospitalization was 35days. The proportions of patients who were discharged to home and to locations other than home were 58.1% and 35.1%, respectively. The in-hospital mortality was 6.8%.ConclusionThe present study suggests that acute-care physicians should be ready to provide intensive care for patients with tetanus and cooperate with medical social workers and families for subsequent long-term nursing care.Copyright © 2017 Elsevier Inc. All rights reserved.

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