Displaying publications 1 - 20 of 845 in total

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  1. Gan CY, Chan MK
    PMID: 8160073
    A survey was conducted to document the blood pressures of two indigenous groups (Kadazans and Bajaus) who reside in rural Sabah in East Malaysia. Their health knowledge status is also recorded. Fifty percent of those surveyed were unable to associate high blood pressure with a risk factor and as high as 38% were unaware of the consequences of high blood pressure. A total of 16.2% had blood pressures > or = 140/or 90mm Hg while 3.9% had blood pressures > or = 160/or 95mm Hg. While these figures are low compared to those of developed countries, lifestyle changes associated with rapid urbanization in Malaysia may be expected to increase hypertension prevalence. The strengthening of health education programs is timely as health knowledge is limited and many hypertensives default treatment.
  2. Rohela M, Jamaiah I, Amir L, Nissapatorn V
    PMID: 17547059
    Many cases of myiasis have been reported in Malaysia. This is the second reported case of auricular myiasis caused by Chrysomya bezziana. The patient was a 41-year-old, mentally retarded, Orang Asli man. He was brought to the clinic by his mother with a complaint of pain and bleeding in his right ear for 3 days. On examination, blood and multiple maggots were seen packed in the external auditory canal of the right ear. A total of 39 live maggots were removed and maintained until they developed into 3rd instar larvae, which were later processed and identified as Chrysomya bezziana. The patient was discharged with amoxicillin 500 mg three times a day for 1 week.
  3. Ahluwalia HS, Lie Kian Joe, Arulambalam TR
    PMID: 4749089
  4. Mustaffa-Babjee A, Ibrahim AL, Khim TS
    PMID: 1025751
    A case of Newcastle disease virus infection in a female laboratory technician is reported for the first time in Malaysia. Infection was acquired by droplet infection of the eye while grinding infected chicken in the laboratory. The case was confirmed by isolation of Newcastle disease virus from an eye swab taken from the subject on the first day of clinical signs. A four-fold rise of haemagglutination-inhibition titre was shown when sera on the third day of infection and 15 days later were compared.
  5. Wahid SF, Sanusi S, Zawawi MM, Ali RA
    PMID: 11127322
    The impact of dengue on liver function was studied on fifty serologically confirmed dengue cases admitted to Hospital Universiti Kebangsaan Malaysia (HUKM). Twenty-five of these patients had classic dengue fever (DF) and 25 had grade 1 or 2 dengue hemorrhagic fever (DHF). There were more (60%) DHF patients with hepatomegaly compared to DF (40%) but the difference was not statistically significant. Analysis of the liver profile showed that liver dysfunction was commoner in DHF compared to DF, indicating that the degree of liver impairment may be related to the severity of DHF. Hyperbilirubinemia was noted in 3 (12%) DHF and 2 (8%) DF patients. The mean (range) serum bilirubin was higher in DHF [14.2(5-50) micromol/l] compared to DF [10.9(5-30) micromol/l)] (p > 0.05). Elevated levels of serum alanine aminotransferase (ALT) and alkaline phosphatase (ALP) were observed more frequently in DHF (20 and 12 patients respectively) compared to DF (16 and 8 patients respectively). Nine (36%) DHF and 6 (24%) DF patients had concomitant elevation of ALT and ALP levels. The mean (range) serum ALT levels were 109.3(23-325) U/l in DHF and 90.8(13-352) U/l in DF (p > 0.05). The mean (range) serum ALP levels were 102.2(15-319) U/l in DHF and 93.3(34-258) U/l in DF (p > 0.05). The ALT and ALP levels were significantly higher in DHF patients with spontaneous bleeding than those without bleeding (p < 0.05) None of the patients developed fulminant hepatitis. The immunoregulatory cells, which include the T (CD3), B (CD 19), CD4, CD8, CD5 and natural killer (NK) cells were significantly lower in DHF compared to DF patients (p < 0.05). However, the reduction in these cell counts did not correlate with the liver dysfunction seen in DHF patients. In conclusion, hepatomegaly and liver dysfunction were commoner in DHF compared to DF.
  6. Surin J
    PMID: 7939942
    Freshwater snails, Stenomelania denisoniensis (Brot) from Tinaroo Dam, North Queensland, Australia were found to be infected with a heterophyid cercaria identified as Procerovum sp. The tail of the cercaria has finfolds which are bilateral anteriorly and dorso-ventral posteriorly, features which separate it from other genera in the Haplorchis-group. This group is differentiated from the cercariae of all the other heterophyid genera by the presence of the penetration glands that extend to the posterior end of the body lateral to the excretory bladder. This paper presents a full description of the cercaria, together with comparisons with other known species of Procerovum.
  7. Cardosa MJ, Noor Sham S, Tio PH, Lim SS
    PMID: 3238470
    A dot enzyme immunoassay (DEIA) was used to determine the levels of antibody to dengue 3 virus in the acute and convalescent sera of febrile patients with a clinical diagnosis of dengue fever or dengue haemorrhagic fever. The antibody titres were compared with titres determined by the haemagglutination inhibition (HI) test. The results of the study showed that, besides being more simple to perform, the DEIA is in order of magnitude more sensitive than the HI test. Furthermore, the data suggest that it is possible to use a single dilution as a cutoff point to predict with reasonable accuracy, if a patient has had a recent dengue infection. The DEIA test for antibodies to dengue virus is an appropriate technology highly suitable for rapid diagnosis and surveillance in developing countries.
  8. Vythilingam I, Panart P
    PMID: 1948249
    Field trials were conducted in two residential areas of Petaling Jaya Municipality to test the adulticidal and larvicidal effects of malathion 96% TG and Resigen on Aedes aegypti. Malathion is the currently used insecticide in Malaysia for the control of dengue. The Leco HD ULV machine was used throught the trials. For malathion the flow rate was 90 ml/minute at a vehicle speed of 8kph and for Resigen the flow rate was 200 ml/minute at the same vechicle speed. Malathion was more effective giving higher mortality rates when compared with Resigen. The mortality rate of adult Ae. aegypti outdoor was higher than in the living room and kitchen. Both insecticides did not show promising larvicidal effects.
  9. Saat Z, Sinniah M, Kin TL, Baharuddin R, Krishnasamy M
    PMID: 10695797
    A total of 1,157 sera from jaundiced patients with clinical and biochemical evidence of liver disease received from government hospital in Kelantan and Terengganu, during the period from 1994 to 1997, were investigated to determine the cause. Hepatitis A virus was found to be the main cause in 26.1% (24/92) of symptomatic clinical hepatitis cases in 1994, 47.8% (63/132) in 1995, 66.4% (613/923) in 1996 and 20% (2/10) in 1997. Sera received in 1996 were also tested for hepatitis B, hepatitis C, hepatitis D and hepatitis E. 1.4% (13/923) anti-bodies were found to be positive for HBc IgM indicating recent HBV infection, 5.4% (50/923) for total HCV Ab, 0.9% (8/923) for total HDV Ab and 0.4% (4/923) for anti-HEV IgM. This study shows that HAV is still a major problem in Kelantan and Terengganu, and there is a need to identify effective strategies for prevention and control in these two states.
  10. Vythilingam I, Nitiavathy K, Yi P, Bakotee B, Hugo B, Singh B, et al.
    PMID: 10928352
    Dried Anopheles farauti mosquitos caught in Solomon Islands in 1990 were examined for malaria sporozoites by ELISA and nested polymerase chain reaction (PCR). Only heads and thoraces were used. Plasmodium genus-specific nested PCR amplifications were carried out on all samples. Of the 402 pools of mosquitos that were processed, 30 were positive for malaria. Nest 1 products of positive samples were subjected to further PCR amplifications with species-specific primers for P. falciparum and P. vivax. Twenty pools were positive for P. vivax by PCR while only 7 were positive by ELISA. For P. falciparum 2 pools were positive by both ELISA and PCR, and one of these was a pool which was positive for P. vivax by PCR and ELISA. Thus the sensitivity of PCR for P. vivax was 100% while the specificity was 96.7%. For P. falciparum the sensitivity and specificity were 100%. The PCR technique is highly sensitive and can be used on dried mosquitos which makes it a valuable tool for determining sporozoite rates of mosquitos, even in remote areas.
  11. Macdonald WW, Cheong WH, Loong KP, Mahadevan S
    PMID: 1981630
    An experiment was carried out with Mansonia mosquitos in an area endemic for subperiodic Brugia malayi to assess the applicability of the mark-release-recapture method to these mosquitos. An estimated 17,880 individuals of six species of Mansonia were marked with fluorescent dust and released: 453 Ma. annulata, 305 Ma. annulifera, 6,200 Ma. bonneae, 516 Ma. dives, 3,998 Ma. indiana and 6,408 Ma. uniformis. Twenty-three marked individuals were recaptured. Most recaptures were made one or two nights after their release, but one Ma. annulifera was recaptured five nights later and one Ma. bonneae had been marked and released 6-11 nights previously. The recaptured mosquitos were collected between 0.5 and 2.4 km from their release points.
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