Medical Mycology Journal
Reviews
The Current Status of Feline Sporotrichosis in Malaysia
Han Hock Siew
著者情報
キーワード: feline, Malaysia, sporotrichosis
ジャーナル フリー

58 巻 (2017) 3 号 p. E107-E113

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Feline sporotrichosis has been reported in Malaysia since the 1990’s. Since then, studies have revealed that clinical clade D, Sporothrix schenckii sensu stricto, of a single clonal strain is the most common cause of this disease in Malaysia. The prevalence of a single clonal strain from a clinical clade was never before reported in Asia in a specific geographical niche. This raises the possibility of a process of purifying selection and subsequent clonal proliferation. While agricultural practices may serve as the selective pressure, direct causality has yet to be established. Studies into the thermo-tolerability of the Malaysian clonal strain of S. schenckii sensu stricto revealed that a small minority of clinical isolates have the capacity to grow at 37℃, while the majority displayed low susceptibility to commonly used antifungals in clinical practice, such as itraconazole (ITZ) and terbinafine (TRB). Despite unestablished breakpoints, suspected resistance (MIC > 4 mg/mL) towards amphotericin B (AMB) and fluconazole (FLC) was recorded in the isolates. This explains the often lack of clinical response in feline patients treated with recommended doses of antifungals, including ITZ. Coupled with the potential zoonotic transmission to clients and veterinarians, protracted treatment period, and subsequent cost of treatment, prognosis of feline sporotrichosis is often regarded to be poor. The use of a higher dose of ITZ has been reported, and an adoption of this high-dose treatment regime is reported in this manuscript, with complete cure achieved in cases of recalcitrant and/or unresponsive feline sporotrichosis, which would otherwise be euthanized.

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© 2017 The Japanese Society for Medical Mycology
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