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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/41242
Title: Outcomes and factors influencing prognosis in patients with vascular pythiosis
Authors: Nuttawut Sermsathanasawadi
Banjerd Praditsuktavorn
Kiattisak Hongku
Chumpol Wongwanit
Khamin Chinsakchai
Chanean Ruangsetakit
Suteekhanit Hahtapornsawan
Pramook Mutirangura
Mahidol University
Keywords: Medicine
Issue Date: 1-Aug-2016
Citation: Journal of Vascular Surgery. Vol.64, No.2 (2016), 411-417
Abstract: © 2016 Society for Vascular Surgery Objective Vascular pythiosis, caused by Pythium insidiosum, is associated with a high mortality rate. We reviewed the outcomes and established the factors predicting prognosis of patients treated in our institution with surgery, antifungal therapy, or immunotherapy. Methods We undertook a retrospective record review of patients with vascular pythiosis treated in Siriraj Hospital, Bangkok, Thailand, between January 2005 and January 2015. Patient characteristics, type of surgery, adjunctive antifungal treatment, adjunctive immunotherapy, and disease status of surgical arterial and surrounding soft tissue margins were recorded. We calculated the mortality rate and established factors predicting prognosis. Results The records of 11 patients were reviewed. All patients had thalassemia. Nine patients (81.8%) had a history of contact with contaminated water. The clinical presentations were chronic ulcers (45.5%), toe gangrene (27.3%), pulsatile mass (27.3%), and acute limb ischemia (27.3%). Above-knee amputation was required in 10 patients (90.9%). The mortality rate was 36.4%. Independent variables between survivors and nonsurvivors were lack of an arterial disease-free surgical margin (P =.003), lack of a surrounding soft tissue disease-free surgical margin (P <.05), a suprainguinal lesion (P <.05) and duration of symptoms (P <.05). Adjuvant itraconazole, terbinafine, and Pythium vaccine have a role to play in patients with a disease-free arterial surgical margin but in whom infected surrounding soft tissue could not be completely excised. Conclusions Achieving adequate disease-free surgical margins—especially the arterial margin—at amputation or débridement is the most important prognostic factor in patients with vascular pythiosis. Early detection combined with a multidisciplinary approach to treatment, including surgery, antifungal agents, and immunotherapy, allows the best possible outcome to be obtained.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84959487493&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/41242
ISSN: 10976809
07415214
Appears in Collections:Scopus 2016-2017

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