Displaying all 10 publications

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  1. Anuar H, Greer GJ, Ow-Yang CK, Sukumaran KD
    PMID: 6398916
    Matched MeSH terms: Schistosomiasis/diagnosis*
  2. Hanjeet K, Lai PF, Anuar HM
    Med J Malaysia, 1996 Mar;51(1):129-30.
    PMID: 10967991
    A total of 1131 Police Field Force personnel were screened serologically for schistosomiasis in Malaysia. A total of 150 (13.3%) were tested positive or borderline. Stool samples from 75 of these cases were however all negative for schistosome eggs. This survey suggests that Police Field Force personnel may be agents for propagating the schistosome life cycle in Malaysia.
    Matched MeSH terms: Schistosomiasis/diagnosis*
  3. Chuah C, Gobert GN, Latif B, Heo CC, Leow CY
    Acta Trop, 2019 Feb;190:137-143.
    PMID: 30448471 DOI: 10.1016/j.actatropica.2018.11.012
    Schistosomiasis, a neglected tropical parasitic disease caused by the trematode flatworms of the genus Schistosoma, affects approximately 207 million people worldwide. Among the five main species infecting humans, Schistosoma mansoni and S. japonicum are responsible for the majority of hepatointestinal schistosomiasis. Human settlements near fresh water sites that lack proper sanitary systems often contribute to the transmission of disease. This risk particularly impacts on travellers or immigrants who come into contact with larvae-contaminated water. This review discusses the central features of schistosomiasis; including clinical manifestations, diagnosis, treatments, and the preventive measures available for the control of this disease. The description of the Malaysian schistosome species Schistosoma malayensis and the current status of schistosomiasis in Malaysia including the compilation of cases diagnosed from 1904 to 2015 are also discussed in this paper.
    Matched MeSH terms: Schistosomiasis/diagnosis
  4. Latif B, Heo CC, Razuin R, Shamalaa DV, Tappe D
    Emerg Infect Dis, 2013 Aug;19(8):1340-1.
    PMID: 23876448 DOI: 10.3201/eid1908.121710
    Matched MeSH terms: Schistosomiasis/diagnosis*
  5. Periyasamy P, Subramaniam SR, Rajalingham S
    BMJ Case Rep, 2011;2011.
    PMID: 22675021 DOI: 10.1136/bcr.09.2011.4816
    Data from the WHO state that up to 85% of cases of human schistosomiasis are from Africa. The common sites of this parasitic infection are the intestine and bladder. Testicular schistosomiasis is extremely rare but the number of reported cases worldwide has doubled over the past decade. The authors report a case of testicular schistosomiasis of a Myanmar immigrant in Malaysia who presented with a 6-month history of progressively enlarging left testicular swelling. His biochemical markers and cultures were not suggestive of an ongoing infection. Hence, a testicular malignancy was strongly suspected, for which, he underwent a left orchidectomy. Our clinical suspicion was proven wrong when the histopathology of the removed left testis revealed schistosomal eggs with granulamatous tissue formation. Subsequently, the patient was treated with praziquantel.
    Matched MeSH terms: Schistosomiasis/diagnosis*
  6. Shekhar KC, Soh EBS, Jayalakshmi P
    Med J Malaysia, 2000 Sep;55(3):371-5.
    PMID: 11200720
    Schistosomiasis is a widely prevalent disease in the world and usually involves the gastro-intestinal and urinary tract. The involvement of the female genital tract has been well-established in S. haematobium infections and is rare with S. japonicum infections. This case involves a Filipino female who was admitted to the University Hospital Kuala Lumpur for right iliac fossa pain and was diagnosed initially as acute appendicitis. Ultrasound showed a multi-septated pelvic cyst leading to a provisional diagnosis of ovarian torsion. Intraoperatively a right parovarian cyst was detected and removed. Histology revealed a congested cyst wall with areas of haemorrhage with several viable and calcified eggs of S. japonicum measuring 85 microns x 62 microns. Within the cystic cavity blood admixed with eggs were seen. Confirmation was carried out by using the indirect haemagglutination (IHA) test. This is a first report of upper genital schistosomiasis mimicking an ovarian tumour.
    Matched MeSH terms: Schistosomiasis/diagnosis*
  7. Sady H, Al-Mekhlafi HM, Ngui R, Atroosh WM, Al-Delaimy AK, Nasr NA, et al.
    Int J Mol Sci, 2015;16(7):16085-103.
    PMID: 26193254 DOI: 10.3390/ijms160716085
    The present study describes a real-time PCR approach with high resolution melting-curve (HRM) assay developed for the detection and differentiation of Schistosoma mansoni and S. haematobium in fecal and urine samples collected from rural Yemen. The samples were screened by microscopy and PCR for the Schistosoma species infection. A pair of degenerate primers were designed targeting partial regions in the cytochrome oxidase subunit I (cox1) gene of S. mansoni and S. haematobium using real-time PCR-HRM assay. The overall prevalence of schistosomiasis was 31.8%; 23.8% of the participants were infected with S. haematobium and 9.3% were infected with S. mansoni. With regards to the intensity of infections, 22.1% and 77.9% of S. haematobium infections were of heavy and light intensities, respectively. Likewise, 8.1%, 40.5% and 51.4% of S. mansoni infections were of heavy, moderate and light intensities, respectively. The melting points were distinctive for S. mansoni and S. haematobium, categorized by peaks of 76.49 ± 0.25 °C and 75.43 ± 0.26 °C, respectively. HRM analysis showed high detection capability through the amplification of Schistosoma DNA with as low as 0.0001 ng/µL. Significant negative correlations were reported between the real-time PCR-HRM cycle threshold (Ct) values and microscopic egg counts for both S. mansoni in stool and S. haematobium in urine (p < 0.01). In conclusion, this closed-tube HRM protocol provides a potentially powerful screening molecular tool for the detection of S. mansoni and S. haematobium. It is a simple, rapid, accurate, and cost-effective method. Hence, this method is a good alternative approach to probe-based PCR assays.
    Matched MeSH terms: Schistosomiasis/diagnosis
  8. Greer GJ, Anuar H
    PMID: 6523170
    Using ELISA and COPT diagnostic tests, serological evidence of Malaysian schistosomiasis was discovered among Orang Asli populations from three areas in Peninsular Malaysia. Serum samples collected in 1975 indicated an ELISA-positive prevalence of 25% and a COPT prevalence of 11% from Pos Iskandar, Pahang and an ELISA prevalence of 13% and a COPT of 4% from Bukit Lanjan, Selangor. Resurveys at these site in 1982-1984 showed a continued presence of serological positive individuals but prevalence rates were markedly lower: 7% and 1% for ELISA and 4% and 2% for COPT at Pos Iskandar and Bukit Lanjan respectively. Snail hosts were not found at either site. The source of infection for persons living in these lowland areas remains unknown. In a third area, Kuala Tahan, Pahang, located in the foothills of the central mountain range, foci of transmission have been found near to Orang Asli settlements. The serological prevalence rate among Negrito Orang Asli in that study area was 9% for ELISA and 4% for COPT. Thirty-three of 36 COPT-positive sera produced vacuolated bleb precipates and in 31 these were the only reactions seen. The high percentage of positives producing only these precipates suggests that among Orang Asli schistosomiasis patients such reactions are not an indication of recently acquired infection as has been reported for schistosomiasis patients in the Philippines.
    Matched MeSH terms: Schistosomiasis/diagnosis
  9. Ibrahim F, Thio TH, Faisal T, Neuman M
    Sensors (Basel), 2015 Mar 23;15(3):6947-95.
    PMID: 25806872 DOI: 10.3390/s150306947
    This paper reviews a number of biomedical engineering approaches to help aid in the detection and treatment of tropical diseases such as dengue, malaria, cholera, schistosomiasis, lymphatic filariasis, ebola, leprosy, leishmaniasis, and American trypanosomiasis (Chagas). Many different forms of non-invasive approaches such as ultrasound, echocardiography and electrocardiography, bioelectrical impedance, optical detection, simplified and rapid serological tests such as lab-on-chip and micro-/nano-fluidic platforms and medical support systems such as artificial intelligence clinical support systems are discussed. The paper also reviewed the novel clinical diagnosis and management systems using artificial intelligence and bioelectrical impedance techniques for dengue clinical applications.
    Matched MeSH terms: Schistosomiasis/diagnosis
  10. Sagin DD, Ismail G, Fui JN, Jok JJ
    PMID: 11485090
    A serosurvey of various indigenous interior tribes (Orang Ulu) in upper Rejang River Basin Sarawak Malaysia, the site of a multibillion Ringgit hydroelectric power project, found 6.8% of the individual surveyed were seropositive for schistosomiasis, as determined by ELISA method using the soluble egg antigen of Schistosoma malayensis Baling strain. In all age group, the seroprevalence rate is higher (9.5%) in males than in females (4.5%) except for the 31-40 age group. Seroprevalence of schistosomiasis was found to increase with age with the above 60 age group having the highest rate followed by the 31-40 age group. Seroprevalence rate among the tribes ranges from 4.1% among the Penan to 11.6% among the Kajang. There was no seroevidence of schistosomiasis among the Ukits. A snail survey found four snail species including Brotia species, the intermediate host of the lung fluke Paragonimus westermani, however no schistosome snail host was identified. Although schistosomiasis malayensis-like infection may be endemic in the area, its public health significance remains undetermined.
    Matched MeSH terms: Schistosomiasis/diagnosis
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