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  1. Tropical ulcer
    Hughes H
    Malayan Medical Journal, 1931;6:116-123.
    1. Seventy-seven cases of tropical ulcer were studied in the General Hospital, Johore.
    2. Age was found to be an important factor in the incidence and duration of the disease.
    3. One or more debilitating factors could always be established. After removal of these factors, the ulcer in many cases tended to heal.
    4. The course of the ulcer is divided into three stages. Stage I is the spreading stage. In Stage II, a mild sloughing occurs within the original boundaries of the ulcer. This is a chronic stage. In stage III, there is either a stationary or a healing ulcer.
    5. Treatment for the first stage is mainly directed towards the general condition of the patient. In the second stage the associated debilitating factors are treated. In cases which do not respond to these measures we tried many forms of treatment. Of these, the most rational seems to be application of strong antiseptics to the sloughs themselves. We have used quinine, as recommended by Innes for this purpose, and we have obtained very satisfactory results in a small series of obstinate cases. Stage III is treated by the application of elastic adhesive bandage.
    Matched MeSH terms: Hookworm Infections
  2. The prevalence of malnutrition and geo-helminth infections among primary schoolchildren in rural Kelantan
    Zulkifli A, Anuar AK, Atiya AS, Yano A
    Southeast Asian J. Trop. Med. Public Health, 2000 Jun;31(2):339-45.
    PMID: 11127336
    A cross-sectional study of the nutritional status of schoolchildren aged 7-10 years from the Kuala Betis Resettlement Scheme in Gua Musang, Kelantan was done. A total of 291 schoolchildren were examined but only 183 (62.9%) fecal samples were returned for geo-helminth infection analysis. The prevalence of stunting was 40.4% and underweight was 28.4%. A total of 127 schoolchildren (69.4%) were positive for at least one of the 3 geo-helminth infections. The most common geo-helminth was Ascaris lumbricoides (62.8%), followed by Trichuris trichiura (38.9%), and hookworm infection was relatively low (12.6%). All the anthropometric indices measured were lower in the geo-helminth infected children compared to the uninfected childen, except for the weight-for-height z-score. However the differences were insignificant Geo-helminth infections may not be a significant factor in malnutrition of these schoolchildren. However, with the availability of safe, efficacious and cheap broad spectrum anthelmintics, regular mass treatment should be given in selected areas where the prevalence of geo-helminth infections is still high, so that these schoolchildren will be able to achieve their growth potential during their school years.
    Matched MeSH terms: Hookworm Infections/complications; Hookworm Infections/epidemiology
  3. Fulltext The prevalence of Trichuris, Ascaris and hookworm infection in Orang Asli children
    Norhayati M, Zainudin B, Mohammod CG, Oothuman P, Azizi O, Fatmah MS
    Southeast Asian J. Trop. Med. Public Health, 1997 Mar;28(1):161-8.
    PMID: 9322301
    A community study on the age and sex related prevalence, intensity infection and frequency distribution of Ascaris, Trichuris and hookworm was carried out in 205 Orang Asli (Aborigines) children (95 boys, 110 girls) aged 1-13 years. The overall prevalence of Ascaris, Trichuris and hookworm was 62.9%, 91.7% and 28.8%, respectively. Almost two-thirds of the children were infected with moderate and severe intensity infection of Trichuris, 46.3% had moderate to severe intensity infection of Ascaris. However only 1.5% had moderate intensity of hookworm infection. The prevalence and mean intensity infection (measured by eggs per g) of Ascaris was age-dependent; lower in age group 1-4 years reached peak and stable at age group 5 years and above. The prevalence of Trichuris was high in all age groups and it fluctuated with age; the mean intensity of infection of Trichuris (measured by eggs per g) was age-dependent. Hookworm infection also rose with age and reached peak at 5-6 years, following that the prevalence declined. The frequency distributions of Ascaris, and hookworm were overdispersed. A strong positive correlation (p < 0.001) were observed between Ascaris and Trichuris and between hookworm and Trichuris. A positive correlation (p < 0.01) were also observed between Ascaris and hookworm.
    Matched MeSH terms: Hookworm Infections/diagnosis; Hookworm Infections/epidemiology*
  4. Fulltext The health of Malaysia’s “Orang Asli” peoples: a review of the scientific evidence on nutritional outcome, parasite infestations, and discussion on implications for clinical practice
    Phua, K.L.
    Malaysian Journal of Public Health Medicine, 2015;15(1):0-0.
    MyJurnal
    The Orang Asli of Malaysia continue to experience poor health. There appears to be stagnation of certain aspect of their health status. Underweight (low weight-for-age) and stunting (low height-for-age) are significant amongst Orang Asli children. Worm infestation such as Ascaris, Trichuris and hookworm continue to afflict Orang Asli communities in Malaysia. Orang Asli communities can also be afflicted by other kinds of parasites, e.g. malaria parasites, microsporida parasites and Cryptosporidium parasites. Thus, primary care doctors who treat Orang Asli patients should be on the lookout for malnutrition and its effects (including anaemia, iodine deficiency, Vitamin A deficiency) as well as worm and parasite infestations. Such patients may need to undergo de-worming at regular intervals because of the tendency to get re-infected. Primary care doctors also need to be aware of possible interactions between infestations and nutritional deficiencies.
    Matched MeSH terms: Hookworm Infections
  5. The efficacy of treatment with albendazole
    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: Hookworm Infections/drug therapy*
  6. The burden and epidemiology of polyparasitism among rural communities in Kano State, Nigeria
    Dawaki S, Al-Mekhlafi HM, Ithoi I
    Trans R Soc Trop Med Hyg, 2019 04 01;113(4):169-182.
    PMID: 30551211 DOI: 10.1093/trstmh/try128
    BACKGROUND: Parasitic infections constitute a major public health problem worldwide, particularly among underprivileged communities in developing countries including Nigeria. The present study aimed to determine the epidemiology of polyparasitism (multiple parasitic infections) among rural communities in Kano State, North Central Nigeria.

    METHODS: A total of 551 individuals were screened for the presence of intestinal, urogenital and blood parasites by using different diagnostic techniques. Demographic, socioeconomic, household and behavioural characteristics were collected using a pre-tested questionnaire.

    RESULTS: Overall, 84.0% (463/551) of the participants were found to be infected with at least one parasite species, with 51.2% (282/551) of them having polyparasitism. The most prevalent parasites were Plasmodium falciparum (60.6%) followed by Blastocystis sp. (29.2%) and hookworm (15.4%). No significant association was found between malaria and helminth infections (p>0.05). Univariate and multivariate analyses showed that the presence of other family members who had intestinal polyparasitism (adjusted odds ratio [AOR]=4.12; 95% CI=2.72, 6.24), walking barefoot outside (AOR=1.70; 95% CI=1.09, 2.63) and being male (AOR=1.74; 95% CI=1.14, 2.66) were the significant risk factors of intestinal polyparasitism among the population studied.

    CONCLUSION: Polyparasitism is highly prevalent among rural communities in Kano State. Therefore, effective, sustainable and integrated control measures should be identified and implemented to significantly reduce the burden and consequences of these infections in rural Nigeria.

    Matched MeSH terms: Hookworm Infections
  7. Syndemic anemia in British Malaya: An early global health encounter with hookworm and malaria Co-infections in plantation workers
    Webb JLA
    Soc Sci Med, 2020 Nov 26.
    PMID: 33261905 DOI: 10.1016/j.socscimed.2020.113555
    With the establishment of the International Health Commission in 1913, the Rockefeller Foundation sought governmental partnerships overseas to combat hookworm disease and improve feces disposal practices. In the Madras Presidency in British India, the India Research Fund Association carried out hookworm surveys but failed in its educational efforts to improve feces disposal practices. In British Malaya, the Uncinariasis [Hookworm] Commission to the Orient discovered a syndemic of anemia among Tamil plantation laborers from the Madras Presidency and Chinese laborers from southern China who suffered from hookworm and malarial co-infections. Confronted with the apparent infeasibility of improving feces disposal practices and the obdurate fact of re-infection with hookworm after purgative treatment, the Rockefeller Foundation ended its hookworm initiative in British Malaya without advocating for programmatic intervention against syndemic anemia. The essay concludes with a reflection on the engagement of historians with the syndemic paradigm.
    Matched MeSH terms: Hookworm Infections
  8. Studies of the nutritional anaemias of Malaya: the influence of hookworm infection
    TASKER PW
    Med J Malaya, 1958 Dec;13(2):159-64.
    PMID: 13632214
    Matched MeSH terms: Hookworm Infections/complications*
  9. Some notes on a hookworm and roundworm survey
    Wolfe EDB
    Malayan Medical Journal, 1936;11:224-5.
    Matched MeSH terms: Hookworm Infections
  10. Soil-transmitted helminthiasis: a critical but neglected factor influencing school participation of Aboriginal children in rural Malaysia
    Ahmed A, Al-Mekhlafi HM, Azam MN, Ithoi I, Al-Adhroey AH, Abdulsalam AM, et al.
    Parasitology, 2012 May;139(6):802-8.
    PMID: 22310239 DOI: 10.1017/S003118201100237X
    Soil-transmitted helminthiasis (STH), among the most common neglected tropical diseases, is a major public health problem in Malaysia with a possible impact on the nutritional status and school participation of rural children. This study was carried out among Aboriginal schoolchildren, living in an endemic area for STH in Malaysia, to determine the possible relationship between intestinal helminthiasis and school absenteeism. We also evaluated whether successful treatment of the infection will affect school attendance among the subjects. Stool analysis revealed that more than 90% of the subjects were infected with at least 1 helminth species, with Ascaris lumbricoides and Trichuris trichiura infections being most prevalent. Infection of moderate-to-heavy worm burdens, low level of fathers' education and anaemia were identified as the significant predictors of high absenteeism among the subjects (P<0·05). Following treatment of the infected children, it was found that school absenteeism was reduced significantly (P<0·01). In conclusion, STH continues to have significant impacts on public health, particularly in rural communities with a negatively significant effect on the school participation of Aboriginal children. A school-based de-worming programme should be introduced and incorporated in the current educational assistance targeted towards the Aboriginal communities, under the auspices of the government.
    Matched MeSH terms: Hookworm Infections/epidemiology; Hookworm Infections/parasitology; Hookworm Infections/prevention & control; Hookworm Infections/transmission
  11. Socio-economic factors associated with intestinal parasites among children living in Gombak, Malaysia
    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: Hookworm Infections/drug therapy
  12. Single dose regimens of phenylene di-iso-thiocyanate (1,4) Jonit, in the treatment of hookworm infestation in Malaysia
    O'Holohan DR, Hugoe-Matthews J
    Southeast Asian J. Trop. Med. Public Health, 1972 Sep;3(3):403-10.
    PMID: 4652468
    Matched MeSH terms: Hookworm Infections/blood; Hookworm Infections/drug therapy*; Hookworm Infections/epidemiology
  13. Roundworm and hookworm infection among malay school-boys - A survey of the Krian district, with a note on mass treatment in the schools.
    Grey JCP
    Malayan Medical Journal, 1929;4:138-41.
    Matched MeSH terms: Hookworm Infections
  14. Fulltext Red palm olein-enriched biscuit supplementation lowers Ascaris lumbricoides reinfection at 6-month after anthelmintic treatment among schoolchildren with vitamin A deficiency (VAD)
    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%) (Phookworm were observed between experimental and control groups at 3- and 6-month (P>0.05). 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: Hookworm Infections*
  15. Fulltext Rapid detection and identification of human hookworm infections through high resolution melting (HRM) analysis
    Ngui R, Lim YA, Chua KH
    PLoS One, 2012;7(7):e41996.
    PMID: 22844538 DOI: 10.1371/journal.pone.0041996
    Hookworm infections are still endemic in low and middle income tropical countries with greater impact on the socioeconomic and public health of the bottom billion of the world's poorest people. In this study, a real-time polymerase chain reaction (PCR) coupled with high resolution melting-curve (HRM) analysis was evaluated for an accurate, rapid and sensitive tool for species identification focusing on the five human hookworm species.
    Matched MeSH terms: Hookworm Infections/diagnosis*
  16. Fulltext Protein-energy malnutrition and soil-transmitted helminthiases among Orang Asli children in Selangor, Malaysia
    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: Hookworm Infections/complications; Hookworm Infections/epidemiology
  17. Fulltext Prevalence, intensity and associated risk factors of soil transmitted helminth infections: A comparison between Negritos (indigenous) in inland jungle and those in resettlement at town peripheries
    Muslim A, Mohd Sofian S, Shaari SA, Hoh BP, Lim YA
    PLoS Negl Trop Dis, 2019 Apr;13(4):e0007331.
    PMID: 31009476 DOI: 10.1371/journal.pntd.0007331
    BACKGROUND: Formerly known as the Malaysian hunter gatherers, the Negrito Orang Asli (OA) were heavily dependent on the forest for sustenance and early studies indicated high prevalence of intestinal parasitism. Initiation of a redevelopment program in the 1970s aimed to demarginalize the OA was expected to reduce soil transmitted helminth (STH) infections. Gradually, the OA were relocated to new resettlement areas at the peripheries. The aim of this study was to compare STH infections between Negritos who are still living in the inland jungle with those living in resettlements.

    METHODOLOGY/PRINCIPAL FINDINGS: A total of 416 Negrito participants were grouped into two categories of communities based on location; Inland Jungle Villages (IJV); and Resettlement Plan Scheme (RPS). Iodine wet mount, formalin-ether sedimentation, modified Trichrome and modified Ziehl-Neelsen staining and Kato-Katz methods were performed on stool samples. A questionnaire was used to collect information regarding demographic, socioeconomic, environmental and hygiene behaviors. Prevalence of STH was significantly higher in IJV (91.3%) versus RPS (83.1%) (P = 0.02). However, the percentage of individuals with severe intensity of Trichuris trichiura infections was significantly higher in the RPS (17.2%) compared to IJV (6.5%) (P = 0.01). Severe Ascaris lumbricoides infection was observed at 20.0% amongst RPS Negritos and 15.0% amongst IJV (P = 0.41). Whilst for hookworm infection, both prevalence and individuals with moderate to severe infections were higher in the IJV (26.2%, 41.0%) versus RPS (18.7%, 24.0%) (P values = 0.08, 0.09), accordingly. The prevalence other intestinal parasitic infections (e.g. Entamoeba sp., Blastocystis and flukes) was also higher in IJV versus RPS. Apart from poor hygienic behaviors as significant risk factors in both communities, low socio-economic status was highly associated with STH infections in RPS (P<0.001) but not significantly associated in IJV.

    CONCLUSIONS: The findings showed that ex situ development plan by RPS has not profoundly contributed to the STH reduction among the OA. Conversely, burden rate of T. trichiura infections increased due to their extreme poverty and poor hygienic behaviors. Here, we are suggesting biannual mass albendazole intervention (triple dose regimens in RPS, but a single dose in IJV) and community empowerment to both communities. For a long-term and better uptake, these strategies must be done together with the community input and participation, respecting their traditional customs and accompanied by recruitment of more OA people in the health-care taskforce.

    Matched MeSH terms: Hookworm Infections/epidemiology
  18. Prevalence of parasitic infections in Malaysian oil palm estate workers
    Sinniah B, Sinniah D, Singh M, Poon GK
    Southeast Asian J. Trop. Med. Public Health, 1978 Jun;9(2):272-6.
    PMID: 725660
    A survey of workers and families resident in an oil palm estate in Malaysia revealed high incidence of parasitic infections. The commonest parasites are T. trichiura (56%), A. lumbricoides (52%), hookworm (28%), Entamoeba coli (11.3%) and Giardia lamblia (11.3%). Mixed infections by two or more parasites was seen in 46% of the subjects. Anaemia was present in 70% of children with hookworm infection. Eosinophilia was observed in 69% of subjects. One each of Hymenolepis nana and Hymenolepis diminuta infection was detected. This is the first report of Hymenolepis diminuta infection in man in Malaysia.
    Matched MeSH terms: Hookworm Infections/epidemiology
  19. Prevalence of intestinal helminths among patients admitted to the Balik Pulau district hospital on Penang island
    Khan SM, Anuar AK
    Southeast Asian J. Trop. Med. Public Health, 1977 Jun;8(2):260-4.
    PMID: 918716
    Faecal samples from patients admitted to the District Hospital in Balik, Pulau, Penang revealed high infection rates for Ascaris lumbricoides, Trichuris trichiura and hookworms. The prevalence rates were Trichuris trichiura 51.7%, Ascaris lumbricoides 31.9% and hookworm 37.2%. The overall highest infection is among the Malays (79%), the least being among the Chinese (61.1%). The prevalence of Ascaris lumbricoides was highest in the 11-20 age group. The prevalence of Trichura was highest in the 51-60 age group, Ascaris and Trichuris infections is higher among the males but hookworm infection is higher among the females. 72.6% of the patients were infected with at least one type of helminth and 32.9% of the patients were infected with at least 2 types of helminths.
    Matched MeSH terms: Hookworm Infections/epidemiology*
  20. Fulltext Prevalence and zoonotic potential of canine hookworms in Malaysia
    Mahdy MA, Lim YA, Ngui R, Siti Fatimah MR, Choy SH, Yap NJ, et al.
    Parasit Vectors, 2012;5:88.
    PMID: 22564445 DOI: 10.1186/1756-3305-5-88
    Canine hookworm infection is endemic in Southeast Asian countries with a prevalence ranging from 70% to 100%, with zoonotic transmission representing a potentially significant public health concern. However, there are limited data available on the prevalence of canine hookworms in Malaysia. This study was conducted to determine the prevalence of hookworm and Ancylostoma species among dogs in Malaysia.
    Matched MeSH terms: Hookworm Infections/epidemiology; Hookworm Infections/parasitology; Hookworm Infections/veterinary*
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