Korean J Parasitol.
2015 Oct;53(5):545-551. 10.3347/kjp.2015.53.5.545.
Schistosoma mansoni-Related Hepatosplenic Morbidity in Adult Population on Kome Island, Sengerema District, Tanzania
- Affiliations
-
- 1National Institute for Medical Research, P.O. Box 1462, Mwanza, Tanzania.
- 2Department of Immunology and Microbiology, Eulji University School of Medicine, Daejeon 34824, Korea.
- 3Department of Environmental Medical Biology, Institute of Tropical Medicine and Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul 03722, Korea. tsyong212@yuhs.ac
- 4Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine, Seoul 03080, Korea.
- 5Good Neighbors International, Tanzania Western Chapter, P.O. Box 367, Mwanza, Tanzania.
- 6Department of Parasitology, Medical Research Institute and Parasite Resource Bank, Chungbuk National University School of Medicine, Cheongju 28644, Korea.
- 7Department of Parasitology, College of Medicine, Korea University, Seoul 02841, Korea.
- KMID: 2381776
- DOI: http://doi.org/10.3347/kjp.2015.53.5.545
Abstract
- Schistosomiasis is one of the important neglected tropical diseases (NTDs) in Tanzania, particularly in Lake Victoria zone. This baseline survey was a part of the main study of integrated control of schistosomiasis and soil-transmitted helminths (STHs) aimed at describing morbidity patterns due to intestinal schistosomiasis among adults living on Kome Island, Sengerema District, Tanzania. Total 388 adults from Kome Islands (about 50 people from each village) aged between 12 and 85 years, were examined by abdominal ultrasound according to the Niamey protocol. Liver image patterns (LIPs) A and B were considered normal, and C-F as distinct periportal fibrosis (PPF). The overall prevalence of PPF was 42.2%; much higher in males than in females (47.0% in male vs 34.4% in females, P=0.007). Abnormal increase of segmental branch wall thickness (SBWT) and dilated portal vein diameter (PVD) were also more common in males than in females. Hepatosplenomegaly was frequently encountered; 68.1% had left liver lobe hepatomegaly and 55.2% had splenomegaly. Schistosoma mansoni-related morbidity is quite high among adults in this community justifying the implementation of integrated control strategies through mass drug administration, improved water supply (pumped wells), and health education that had already started in the study area.
MeSH Terms
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Abdomen/ultrasonography
Adolescent
Adult
Aged
Aged, 80 and over
Animals
Child
Cross-Sectional Studies
Female
Humans
Islands
Lakes
Liver Diseases, Parasitic/diagnosis/*epidemiology/*pathology
Male
Middle Aged
Prevalence
Schistosomiasis mansoni/diagnosis/*epidemiology/*pathology
Sex Factors
Splenic Diseases/diagnosis/*epidemiology/parasitology/*pathology
Tanzania/epidemiology
Young Adult
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