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• Vol.61 No.8
• CLINICA NEUROL, 61: 537−542, 2021
• Vol.61 No.8 contents

Case Report

Tetanus: the clinical features of 11 cases

Daichi Umemoto, M.D.¹⁾, Yo Shibata, M.D.²⁾³⁾, Hitoshi Mori, M.D.²⁾ and Katsuro Shindo, M.D., Ph.D.²⁾

¹⁾ Kurashiki Central Hospital Department of Medical Education
²⁾ Kurashiki Central Hospital Department of Neurology
³⁾ Division of Neurology, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University

Tetanus is an infectious disease induced by wound invasion of Clostridium tetani, which is ubiquitous among soil. Many more cases are reported in Japan than in other developed countries. In this study, we report 11 cases of tetanus experienced at our hospital and discuss the preceding trauma and treatment course. The mean age at onset was 68 years old (35-86 years) and 7 cases required intensive care. Some preceded injuries were clearly contaminated, and others were small and minor. Even minor injuries developed serious tetanus. Trauma was not identified in 2 cases yet both used their family garden every day and had a high risk of exposure to C tetani, suggesting that micro-wounds may have been a gateway to entry. The average length of stay in the intensive care unit was 28 days (4-73 days) and average total hospitalization was 55 days (13-114 days). Only 4 out of 11 cases were diagnosed correctly by the initial physician and others, especially when the trauma was minor or absent, were misdiagnosed even when presenting with characteristic symptoms like lockjaw and posterior neck stiffness. Tetanus should be diagnosed based on medical history and physical examination due to lack of high specific testing. Therefore, a detailed history taking is required, including hobbies in addition to the appropriate neurological examination, thereby facilitating a quick diagnosis and commencement of treatment as soon as possible.
Full Text of this Article in Japanese PDF (907K) 　　　　 Full Text of this Article in English HTML

(CLINICA NEUROL, 61: 537−542, 2021)
key words: tetanus, trauma, tetanus toxoid

(Received: 9-Jan-21)