Ousmane Sy

Dr. Ousmane Sy

orcid

Research Focus & Metrics

Academic Career Length

9Years (2018-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 June 2021 in Journal of Medical Mycology
Verified
Journal Article
Closed access
OSOusmane Sy
Ousmane Sy
KDK. Diongue
K. Diongue
OBO. Ba
O. Ba
CAC.B. Ahmed
C.B. Ahmed
MEM.A. Elbechir
M.A. Elbechir
DND. Ndiaye
D. Ndiaye

9 March 2023 in ERJ Open Research
Verified
Journal Article
Open access
PDF file
Martha MushiMartha Mushi
Martha Mushi
SZSherif M. Zaki
Sherif M. Zaki
RPRichard O. S. Penney
Richard O. S. Penney
SBSanata Bamba
Sanata Bamba
MKMarius Paulin Ngouanom Kuate
Marius Paulin Ngouanom Kuate
DDDavid W. Denning
David W. Denning
Background: Fungal lung diseases are global in distribution and require specific tests for diagnosis. We report a survey of diagnostic service provision in Africa.Methods: A written questionnaire was followed by a video conference call with each respondent(s) and external validation. To disseminate the questionnaire, a snowball sample was used.Results: Data were successfully collected from 50 of 51 African countries with populations >1 million. The questionnaire was completed by respondents affiliated with 72 health facilities. Of these 72 respondents, 33 (45.8%) reported data for the whole country while others reported data for a specific region/province within their country. In the public sector, chest X-ray and computed tomography are performed often in 49 countries (98%) and occasionally in 37 countries (74%), and less often in the private sector. Bronchoscopy and spirometry were done often in 28 countries (56%) and occasionally in 18 countries (36%) in the tertiary health facilities of public sector. The most conducted laboratory diagnostic assay was fungal culture (often or occasionally) in 29 countries (58%). In collaboration with the Africa Centre for Disease Control and Prevention, regional webinars and individual country profiles provided further data validation.Conclusion: This survey has found a huge disparity of diagnostic test capability across the African continent. Some good examples of good diagnostic provision and very high-quality care were seen, but this was unusual. The unavailability of essential testing such as spirometry was noted, which has a high impact in the diagnosis of lung diseases. It is important for countries to implement tests based on the World Health Organization Essential Diagnostics List.

1 June 2018 in Journal of Medical Mycology
Verified
Journal Article
Closed access
OSOusmane Sy
Ousmane Sy
KDK. Diongue
K. Diongue
CAC.B. Ahmed
C.B. Ahmed
OBO. Ba
O. Ba
FMF.C. Moulay
F.C. Moulay
DND. Ndiaye
D. Ndiaye

31 March 2026 in Parasitologia
Verified
Journal Article
Open access
PDF file
BNBinta N'Daraw Niang
Binta N'Daraw Niang
OSOusmane Sy
Ousmane Sy
CSCheikh Baba Ould Ahmed Salem
Cheikh Baba Ould Ahmed Salem
MHMohamed Haidy
Mohamed Haidy
LNLemat Nakatt
Lemat Nakatt
ABAli Ould Mohamed Salem Boukhary
Ali Ould Mohamed Salem Boukhary
Schistosomiasis is a major neglected tropical disease in sub-Saharan Africa. This study compared the epidemiology of urinary schistosomiasis among children living in two distinct ecosystems in Mauritania: the Senegal River Basin (Trarza region) and the arid oasis areas (Adrar and Tagant regions). A cross-sectional study was conducted between February 2023 and February 2024 involving 856 children across 14 sites. Urine samples were collected from school-aged children and subjected to macroscopic and microscopic examinations. A questionnaire was administered to each child to determine sociodemographic factors. Environmental and geographical factors were documented in the localities. The prevalence rate of urinary schistosomiasis among children in the Senegal River Valley was 32.4%. In the oases zone, prevalences were 6.43% and 3.35% in Tagant and Adrar, respectively. Macroscopic hematuria was 29.1%, 6.04%, and 4.18% in Trarza, Adrar, and Tagant, respectively. The intensities of infection were 48.9, 6.43, and 40 eggs/10 mL in the Trarza, Adrar, and Tagant regions, respectively. Based on sex, prevalence was higher among boys in the Trarza and Tagant regions, while in Adrar, it was higher among girls. Prevalence among children using polluted water sources with dense vegetation in the department of Tékane, in the Trarza region, was significantly higher (35.7%) than among those using cleaner water sources (21%). Urinary schistosomiasis remains highly prevalent among children living along the Senegal River, while considerably lower transmission was observed in oasis settings. These findings highlight the strong influence of environmental and water-related factors on transmission dynamics and underscore the need for targeted, context-specific control strategies.

13 April 2023 in IDCases
Verified
Journal Article
Open access
OSOusmane Sy
Ousmane Sy
BOBa Ousmane
Ba Ousmane
MBMamadou D. Ball
Mamadou D. Ball
Ringworms of the scalp are very commons in Mauritania and among them; inflammatory ringworms are representing very rare forms. We present the case of a severe inflammatory ringworm caused by an anthropophilic dermatophyte, Microsporum audouini. This is an 8-years-old girl with ulcerative lesions on the scalp without adenopathy, without fever and in a good general condition. Direct examination of the mycological sample of hair and scales showed the presence of ecto-trix spores. Culture in SCA media allowed the identification of Microsporum audouini. The establishment of an antifungal treatment orally and a local antiseptic allowed to have a clinical and mycological remission after 30 days. Microsporum audouinii is most often responsible for very soft trichophytia, but under certain conditions, it can cause inflammatory ringworm.