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著者: Eiichiro Sando, Motoi Suzuki, Shungo Katoh, Hiromi Fujita, Masakatsu Taira, Makito Yaegashi, Koya Ariyoshi
雑誌名: Emerg Infect Dis. 2018 Sep;24(9):1633-1641. doi: 10.3201/eid2409.171436.
Abstract/Text
Japanese spotted fever (JSF) and scrub typhus (ST) are endemic to Japan and share similar clinical features. To document the clinical and epidemiologic characteristics that distinguish these 2 rickettsial diseases, during 2004-2015 we recruited 31 JSF patients, 188 ST patients, and 97 nonrickettsial disease patients from the southern Boso Peninsula of Japan. JSF occurred during April-October and ST during November-December. Patients with JSF and ST were significantly older and more likely to reside in wooded areas than were patients with nonrickettsial diseases. Spatial analyses revealed that JSF and ST clusters rarely overlapped. Clinical findings more frequently observed in JSF than in ST patients were purpura, palmar/plantar rash, hyponatremia, organ damage, and delayed defervescence after treatment. Although their clinical features are similar, JSF and ST differ in seasonality, geographic distribution, physical signs, and severity. Because a considerable percentage of patients did not notice rash and eschar, many rickettsial diseases might be underdiagnosed in Japan.
PMID 30124190 Emerg Infect Dis. 2018 Sep;24(9):1633-1641. doi: 10.3201/eid2409.171436.
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