Developing and validating a clinical algorithm for the diagnosis of podoconiosis

Deribe, Kebede and Florence, Lyndsey and Kelemework, Abebe and Getaneh, Tigist and Tsegay, Girmay and Cano, Jorge and Giorgi, Emanuele and Newport, Melanie J. and Davey, Gail (2020) Developing and validating a clinical algorithm for the diagnosis of podoconiosis. Transactions of The Royal Society of Tropical Medicine and Hygiene, 114 (12). pp. 916-925. ISSN 0035-9203

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Abstract

Background Difficulties in reliably diagnosing podoconiosis have severely limited the scale-up and uptake of the World Health Organization–recommended morbidity management and disability prevention interventions for affected people. We aimed to identify a set of clinical features that, combined into an algorithm, allow for diagnosis of podoconiosis. Methods We identified 372 people with lymphoedema and administered a structured questionnaire on signs and symptoms associated with podoconiosis and other potential causes of lymphoedema in northern Ethiopia. All individuals were tested for Wuchereria bancrofti–specific immunoglobulin G4 in the field using Wb123. Results Based on expert diagnosis, 344 (92.5%) of the 372 participants had podoconiosis. The rest had lymphoedema due to other aetiologies. The best-performing set of symptoms and signs was the presence of moss on the lower legs and a family history of leg swelling, plus the absence of current or previous leprosy, plus the absence of swelling in the groin, plus the absence of chronic illness (such as diabetes mellitus or heart or kidney diseases). The overall sensitivity of the algorithm was 91% (95% confidence interval [CI] 87.6 to 94.4) and specificity was 95% (95% CI 85.45 to 100). Conclusions We developed a clinical algorithm of clinical history and physical examination that could be used in areas suspected or endemic for podoconiosis. Use of this algorithm should enable earlier identification of podoconiosis cases and scale-up of interventions.

Item Type:
Journal Article
Journal or Publication Title:
Transactions of The Royal Society of Tropical Medicine and Hygiene
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2400/2405
Subjects:
?? DIAGNOSISCLINICAL ALGORITHMCLINICAL DECISION ALGORITHMSETHIOPIALYMPHOEDEMAPODOCONIOSISINFECTIOUS DISEASESPUBLIC HEALTH, ENVIRONMENTAL AND OCCUPATIONAL HEALTHPARASITOLOGY ??
ID Code:
149109
Deposited By:
Deposited On:
17 Nov 2020 10:07
Refereed?:
Yes
Published?:
Published
Last Modified:
19 Sep 2023 02:31