Browsing by Author "Woo, Patrick CY"

Now showing 1 - 2 of 2
  • Thumbnail Image
    ItemOpen Access
    Global guideline for the diagnosis and management of rare mould infections: an initiative of the European Confederation of Medical Mycology in cooperation with the International Society for Human and Animal Mycology and the American Society for Microbiology.
    (The Lancet. Infectious diseases, 2021-08) Hoenigl, Martin; Salmanton-García, Jon; Walsh, Thomas J; Nucci, Marcio; Neoh, Chin Fen; Jenks, Jeffrey D; Lackner, Michaela; Sprute, Rosanne; Al-Hatmi, Abdullah MS; Bassetti, Matteo; Carlesse, Fabianne; Freiberger, Tomas; Koehler, Philipp; Lehrnbecher, Thomas; Kumar, Anil; Prattes, Juergen; Richardson, Malcolm; Revankar, Sanjay; Slavin, Monica A; Stemler, Jannik; Spiess, Birgit; Taj-Aldeen, Saad J; Warris, Adilia; Woo, Patrick CY; Young, Jo-Anne H; Albus, Kerstin; Arenz, Dorothee; Arsic-Arsenijevic, Valentina; Bouchara, Jean-Philippe; Chinniah, Terrence Rohan; Chowdhary, Anuradha; de Hoog, G Sybren; Dimopoulos, George; Duarte, Rafael F; Hamal, Petr; Meis, Jacques F; Mfinanga, Sayoki; Queiroz-Telles, Flavio; Patterson, Thomas F; Rahav, Galia; Rogers, Thomas R; Rotstein, Coleman; Wahyuningsih, Retno; Seidel, Danila; Cornely, Oliver A
    With increasing numbers of patients needing intensive care or who are immunosuppressed, infections caused by moulds other than Aspergillus spp or Mucorales are increasing. Although antifungal prophylaxis has shown effectiveness in preventing many invasive fungal infections, selective pressure has caused an increase of breakthrough infections caused by Fusarium, Lomentospora, and Scedosporium species, as well as by dematiaceous moulds, Rasamsonia, Schizophyllum, Scopulariopsis, Paecilomyces, Penicillium, Talaromyces and Purpureocillium species. Guidance on the complex multidisciplinary management of infections caused by these pathogens has the potential to improve prognosis. Management routes depend on the availability of diagnostic and therapeutic options. The present recommendations are part of the One World-One Guideline initiative to incorporate regional differences in the epidemiology and management of rare mould infections. Experts from 24 countries contributed their knowledge and analysed published evidence on the diagnosis and treatment of rare mould infections. This consensus document intends to provide practical guidance in clinical decision making by engaging physicians and scientists involved in various aspects of clinical management. Moreover, we identify areas of uncertainty and constraints in optimising this management.
  • Thumbnail Image
    ItemOpen Access
    Superiority of a novel Mp1p antigen detection enzyme immunoassay compared to standard BACTEC blood culture in the diagnosis of talaromycosis.
    (Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 2020-06-21) Thu, Nguyen TM; Chan, Jasper FW; Ly, Vo Trieu; Ngo, Hoa T; Hien, Ha TA; Lan, Nguyen PH; Chau, Nguyen VV; Cai, Jian-Piao; Woo, Patrick CY; Day, Jeremy N; van Doorn, Rogier; Thwaites, Guy; Perfect, John; Yuen, Kwok; Le, Thuy
    BACKGROUND:Talaromycosis is an invasive mycosis endemic in Southeast Asia and causes substantial morbidity and mortality in individuals with advanced HIV disease. Current diagnosis relies on isolating Talaromyces marneffei in cultures, which takes up to 14 days and is detectable only during late-stage infection, leading to high mortality. METHODS:In this retrospective case-control study, we assessed the accuracy of a novel Mp1p antigen-detecting enzyme immunoassay (EIA) in stored plasma samples of 372 patients who had culture-proven talaromycosis from blood or sterile body fluids(reference standard) and of 517 individuals without talaromycosis (338 healthy volunteers; 179 with other infections). All participants were recruited between 2011-2017 in Vietnam. RESULTS:66.1% and 75.4% of cases and controls were male; the median age was 33 and 37, respectively. All cases were HIV-infected; median CD4 count was 10 cells/mm3. At an optical density cut-off of 0.5, the specificity was 98.1% (95% CI: 96.3%-99.0%); the sensitivity was superior to blood culture, 86.3% (95% CI: 82.3%-89.5%) versus 72.8% (95% CI: 68.0%-77.2%), P<0.001, McNemar test. The time-to-diagnosis was 6 hours versus 6.6 ± 3.0 days for blood culture. Paired plasma and urine testing in the same patients (N=269) significantly increased sensitivity compared to testing plasma alone P<0.001, or testing urine alone P=0.02, McNemar tests. CONCLUSIONS:The Mp1p EIA is highly specific and is superior in sensitivity and time-to-diagnosis compared to blood culture for the diagnosis of talaromycosis. Paired plasma and urine testing further increases sensitivity, introducing a new tool for rapid diagnosis, enabling early treatment and potentially reducing mortality.