Parasites, Hosts and Diseases

The Korea Society for Parasitology and Tropical Medicine (대한기생충학·열대의학회)
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Schistosoma mansoni-Related Hepatosplenic Morbidity in Adult Population on Kome Island, Sengerema District, Tanzania

  • Kaatano, Godfrey M. (National Institute for Medical Research) ;
  • Min, Duk-Young (Department of Immunology and Microbiology, Eulji University School of Medicine) ;
  • Siza, Julius E. (National Institute for Medical Research) ;
  • Yong, Tai-Soon (Department of Environmental Medical Biology, Institute of Tropical Medicine and Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine) ;
  • Chai, Jong-Yil (Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine) ;
  • Ko, Yunsuk (Good Neighbors International, Tanzania Western Chapter) ;
  • Chang, Su-Young (Good Neighbors International, Tanzania Western Chapter) ;
  • Changalucha, John M. (National Institute for Medical Research) ;
  • Eom, Keeseon S. (Department of Parasitology, Medical Research Institute and Parasite Resource Bank, Chungbuk National University School of Medicine) ;
  • Rim, Han-Jong (Department of Parasitology, College of Medicine, Korea University)
  • Received : 2015.07.23
  • Accepted : 2015.09.30
  • Published : 2015.10.31
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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.

Keywords

References

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