Displaying publications 1 - 20 of 78 in total

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  1. Hesham Al-Mekhlafi M, Surin J, Atiya AS, Ariffin WA, Mohammed Mahdy AK, Che Abdullah H
    Acta Trop, 2008 Aug;107(2):200-4.
    PMID: 18582430 DOI: 10.1016/j.actatropica.2008.05.022
    Data on soil-transmitted helminth (STH) infections and reinfection among Orang Asli (aborigine) schoolchildren and their nutritional and socioeconomic status were analyzed to investigate the pattern and the possible predictors of STH reinfection. In this longitudinal study, 120 (60 males and 60 females) Orang Asli primary schoolchildren aged 7-12 years and living in remote areas in Pos Betau, Kuala Lipis, Pahang were screened for the presence of STH using modified cellophane thick smear and Harada Mori techniques. The overall prevalence of ascariasis, trichuriasis and hookworm infections were 65.8, 97.5 and 10.8%, respectively. After complete deworming with a 3-day course of 400mg/daily of albendazole tablets, children were re-examined at 3 and 6 months from baseline. The reinfection rate, by one or more of STH species, at 3 months after deworming was high (49.5%) while 79.6% of the children were reinfected at 6 months after deworming. Logistic regression analyses showed that females, stunted children and those living in houses without toilets had significantly higher reinfection rates than others at 3 months (P<0.05). At 6 months, maternal employment status emerged as another predictor where children of working mothers had significantly higher reinfection rates (P=0.026). In conclusion, reinfection rate of STH is high and thus necessitates frequent and periodic deworming among children. Public health personnel need to re-look at the current control measures and identify innovative and integrated ways in order to reduce STH significantly in the rural communities.
    Matched MeSH terms: Ascariasis/epidemiology; Ascariasis/parasitology; Ascariasis/transmission
  2. Hanjeet K, Mathias RG
    Acta Trop, 1991 Dec;50(2):111-4.
    PMID: 1685866
    Albendazole, a benzimidazole derivative, was administered as a single dose of either 400 mg or 600 mg to two groups to ascertain the efficacy, tolerance and safety of the regimens. At a dose of 400 mg, a cure rate 35/36 (97%) against Ascaris was found. At 600 mg, the cure rate was 21/30 (70%), significantly lower than the 400 mg rate. Against Trichuris, albendazole at 400 mg had a cure rate of 21/48 (44%), at 600 mg there was a cure rate of 29/43 (67%). Mild side effects were noted in 7 individuals. Whether the moderate increase in efficacy against Trichuris and the loss of efficacy against Ascaris improves the cost:benefit ratio must be left to the prescriber of the drug.
    Matched MeSH terms: Ascariasis/drug therapy*
  3. Tan PY, Loganathan R, Teng KT, Lee SC, Mohd Johari SN, Selvaduray KR, et al.
    Acta Trop, 2023 Apr;240:106860.
    PMID: 36775004 DOI: 10.1016/j.actatropica.2023.106860
    Notwithstanding the global efforts made to control intestinal parasitic infections, soil-transmitted helminth (STH) infections are still one of the most prevalent infections globally, especially in developing countries. A double-blinded, randomized controlled trial was conducted on 343 primary schoolchildren (8-12 years old) with vitamin A deficiency (VAD) in rural areas of Malaysia to investigate the effects of red palm olein (RPO)-enriched biscuits on STH reinfection rates and infection intensities. The effects of the RPO-enriched biscuits (experimental group, n = 153) and palm olein (PO)-enriched biscuits (control group, n = 190), were assessed at 3- and 6-month after the administration of complete triple-dose albendazole (one dose of 400 mg for three consecutive days). The overall STH infection rate at baseline was recorded at 65.6%. At 6-month, a significantly lower reinfection rate of A. lumbricoides was observed in the experimental group (35.3%) compared to the control group (60.0%) (P0.05). These findings suggest the potential beneficial effects of RPO-enriched biscuit supplementation on the reinfection of A. lumbricoides, which could be attributed to its high carotenoids content by enhancing host immune response and mucosal epithelium integrity. However, further studies are warranted to confirm whether RPO supplementation could result in similar parasite-specific beneficial effects in other community settings, as well as to explore the underlying mechanisms.
    Matched MeSH terms: Ascariasis*
  4. Al-Mekhlafi HM, Azlin M, Aini UN, Shaik A, Sa'iah A, Fatmah MS, et al.
    Asia Pac J Clin Nutr, 2005;14(2):188-94.
    PMID: 15927939
    This study aims to determine the prevalence of protein-energy malnutrition and its association with soil-transmitted helminthiases in Orang Asli (Aborigine) children in Selangor, Malaysia. The results obtained from 368 children aged 2-15 years showed that the overall prevalence of mild and significant underweight was 32.1% and 56.5% respectively. The prevalence of mild stunting was 25.6% while another 61.3% had significant stunting. The overall prevalence of mild and significant wasting was 39.0% and 19.5% respectively. The overall prevalence of ascariasis, trichuriasis and hookworm infection were 61.9%, 98.2% and 37.0% respectively and of these 18.9%, 23.5% and 2.5% of the children had severe infection of the respective helminthes. The overall prevalence of giardiasis was 24.9%. The present study vividly shows that stunting and underweight are highly prevalent among Orang Asli children and therefore of concern in this community. In this population intestinal parasitic infections, especially severe trichuriasis and giardiasis, were identified as the main predictors of stunting and wasting respectively, in addition to age between 2 to 6 years.
    Matched MeSH terms: Ascariasis/complications; Ascariasis/epidemiology
  5. Rajeswari B, Sinniah B, Hussein H
    Asia Pac J Public Health, 1994;7(1):21-5.
    PMID: 8074940
    Fecal specimens collected from 456 school children in Gombak, Malaysia, revealed an overall prevalence rate of 62.9%. The most common parasite found was Trichuris trichiura (47.1%) followed by Giardia intestinalis (14.7%), Entamoeba coli (11.4%), Entamoeba histolytica (9.9%) and Ascaris lumbricoides (7.9%). Infection rates were high among the Indonesian immigrant workers' children (90%) followed by the Orang Asli (79.5%), Malay (59.4%) and Indians (36.4%). Females (66.3%) had a higher prevalence rate than the males (58.5%). The prevalence of infection was found to be associated with the socio-economic status, water supply, sanitary disposal of feces and family size. Albendazole administered as a single dose (400 mg) was found to be effective against Ascaris (100%) and hookworm (92.3%) but was not effective against Trichuris (39.2%).
    Matched MeSH terms: Ascariasis/drug therapy
  6. Sathyamoorthy P
    Family Physician, 1991;3:55-56.
    Matched MeSH terms: Ascariasis
  7. Amjad N, Nor AM, Singh H
    Hosp Med, 2001 Jun;62(6):370-1.
    PMID: 11436449
    Matched MeSH terms: Ascariasis/complications*; Ascariasis/diagnosis
  8. Yaya Liliana Hanapian, Joon Wah Mak, Paul Chieh Yee Chen
    MyJurnal
    The Orang Aslis are indigenous minority peoples of Peninsular Malaysia, numbering 147,412 in 2003.Currently, the Orang Asli are divided into four language groupings namely the Northern Aslian, the Central Aslian, and the Southern Aslian groups, all of whom speak Austroasiatic languages; a fourth group in the South of Peninsular Malaysia speak a Malay dialect belonging to the Austronesian group of languages.This research was carried out on only one of the Northern Aslian group, the Jehai, who are also named Negritos based on their physical features. The Jehai live in the Belum and the Temenggor Forest that straddles Upper Perak and West Kelantan and until recently, were nomadic and lived by hunting-gathering.The World Health Organization (WHO) estimates that approximately two billion people worldwide are infected with the soil-transmitted nematode helminths,Ascaris lumbricoides, Trichuris trichiura and the hookworms Necator americanus and Ancylostoma duodenale, with 400 million of these infected being children of school age.Global numbers of A. lumbricoides infection have been estimated at about 1.5 billion cases. (Crompton, 2001). T. trichiura infection affects approximately 1,049 million people worldwide and an estimated 1.2 billion people are infected by hookworms. In Malaysia, the most common soil-transmitted helminth infections are A. lumbricoides, T. trichiura and hookworms.
    However, as there have been no extensive surveys on these infections, it is difficult to estimate with certainty the current overall incidence of infection with soil-transmitted helminths (STHs) among the Malaysian population.
    Matched MeSH terms: Ascariasis
  9. Kan SP
    J Trop Med Hyg, 1989 Aug;92(4):263-9.
    PMID: 2760969
    A total of 819 Indian inhabitants (from 6 months to over 60 years of age) in an oil-palm plantation in West Malaysia was examined for soil-transmitted helminthiases using the brine flotation and Kato thick smear techniques. Half (51.0%) of the inhabitants were found to be infected (33.9% had Ascaris lumbricoides; 36.4% had Trichuris trichiura and 15.6% had Necator americanus). Soil-transmitted helminthiases (both single and mixed infections) were significantly more common among children and young adults from 6 months to 20 years of age where 67.1% (range: 64.7-70.3%) of this age group were infected. The infection rate declined to about 25% or less among elderly people over 50 years of age. Trichuris trichiura was the commonest helminth observed--both as single and mixed infections--and Trichuris mixed with Ascaris was the commonest type of double infection reported. However, there were no significant differences in the distribution of the types of single and double infections among inhabitants of different age groups, nor were there any significant differences in the distribution of soil-transmitted helminthiases among male and female inhabitants. The socioeconomic, environmental and cultural factors contributing to persistently high rates of infection with soil-transmitted helminths among plantation inhabitants are discussed.
    Matched MeSH terms: Ascariasis/transmission
  10. Sinniah B, Subramaniam K
    J. Helminthol., 1991 Jun;65(2):141-7.
    PMID: 1880388
    Fifty children aged 6 to 13 years and infected with Ascaris lumbricoides were selected for the study. The number of eggs laid daily by a female Ascaris increased with increase in its length, weight and diameter. Female worms became mature and started laying eggs when they reached a length of 118 mm. Adult female worms measuring 3.7 mm or more in diameter were found to be mature. The minimum weight of a worm producing eggs was 1.1 g. On average the number of eggs produced by the female decreased with increase in the worm load.
    Matched MeSH terms: Ascariasis/parasitology*
  11. Lwin M, Tint KS
    J R Coll Surg Edinb, 1994 Aug;39(4):243-5.
    PMID: 7807458
    Twenty-seven cases of ascaris cholecystitis and cholangitis were managed in a surgical unit of a general hospital in Yangon, Myanmar, from January 1989 to March 1990. Nineteen women and eight men with a mean age of 42 years were studied. Main clinical manifestations were right hypochondrial pain, fever, chills, rigors, nausea, vomiting and jaundice. Diagnosis was established by abdominal ultrasonograms in all cases. Laparotomy was performed in all cases because of failure to respond to initial conservative treatment. Live and dead ascarids were found in the gall bladder and biliary ductal system. Cholecystectomy, bile duct exploration, worm extraction and T-tube drainage were done in all cases. There were no deaths. Two patients developed minor wound sepsis. During the follow-up period ranging from 3 to 12 months, there was no recurrence of symptoms in all patients. All patients were given antihelminthics before discharge and three weeks later.
    Matched MeSH terms: Ascariasis/complications*; Ascariasis/diagnosis; Ascariasis/drug therapy
  12. Scharff JW
    Matched MeSH terms: Ascariasis
  13. Kanagarayer K
    Matched MeSH terms: Ascariasis
  14. Ryrie GA
    Matched MeSH terms: Ascariasis
  15. Sivasambandan R
    Matched MeSH terms: Ascariasis
  16. Kanagarayer K
    Matched MeSH terms: Ascariasis
  17. Russell PF
    Malayan Medical Journal, 1927;2:109-11.
    Matched MeSH terms: Ascariasis
  18. Walker JHC
    Malayan Medical Journal, 1927;2:148-50.
    Matched MeSH terms: Ascariasis
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