Displaying publications 1201 - 1220 of 3448 in total

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  1. Cancer incidence in Asian migrants to New South Wales, Australia
    Grulich AE, McCredie M, Coates M
    Br. J. Cancer, 1995 Feb;71(2):400-8.
    PMID: 7841061
    Cancer incidence during 1972-90 in Asian migrants to New South Wales, Australia, is described. Overall cancer incidence was lower than in the Australia born in most migrant groups, and this reached significance in migrants born in China/Taiwan, the Philippines, Vietnam and India/Sri Lanka, and in male migrants born in Indonesia. For the majority of cancers, rates were more similar to those in the Australia born than to those in the countries of birth. For cancers of the breast, colorectum and prostate, rates were relatively low in the countries of birth, but migrants generally exhibited rates nearer those of the Australia born. For cancers of the liver and cervix and, in India/Sri Lanka-born migrants, of the oral cavity, incidence was relatively high in the countries of birth but tended to be lower, nearer Australia-born rates, in the migrants. For these cancers, environmental factors related to the migrant's adopted country, and migrant selection, appeared to have a major effect on the risk of cancer. For certain other cancers, incidence was more similar to that in the countries of birth. Nasopharyngeal cancer, and lung cancer in females, had high rates in both the countries of birth and in migrants to Australia. Nasopharyngeal cancer rates were highest in China/Taiwan and Hong Kong-born migrants, and were also significantly high in migrants from Malaysia/Singapore, Vietnam and the Philippines. Rates of lung cancer were significantly high in women born in China/Taiwan, and the excess was greater for adenocarcinoma than for squamous cell carcinoma. Melanoma had low rates in both the migrants and in the countries of birth. For these cancers, it was probable that genetic factors, or environmental factors acting prior to migration, were important in causation.
    Matched MeSH terms: Risk Factors
  2. Risk factors associated with hearing loss in term neonates with hyperbilirubinaemia
    Boo NY, Oakes M, Lye MS, Said H
    J Trop Pediatr, 1994 Aug;40(4):194-7.
    PMID: 7932930
    A study of 128 jaundiced term neonates showed that 28 (22 per cent) had hearing loss based on brain stem-evoked response. There was no significant difference in the percentage of neonates with hearing loss between those with peak serum bilirubin levels of less than 340 mumol/l (16 per cent) and those with hyperbilirubinaemia > 339 mumol/l (33 per cent) (P = 0.11). Logistic regression analysis showed that severe jaundice which required exchange transfusion and earlier age of onset of hyperbilirubinaemia were statistically significant risk factors associated with hearing loss (P = 0.038 and P = 0.012, respectively).
    Matched MeSH terms: Risk Factors
  3. Toxoplasmosis in goats: a sero-epidemiological study in Peninsular Malaysia
    Dorny P, Casman C, Sani R, Vercruysse J
    Ann Trop Med Parasitol, 1993 Aug;87(4):407-10.
    PMID: 8250633
    Matched MeSH terms: Risk Factors
  4. Radical hysterectomy and pelvic lymphadenectomy for early invasive cancer of the cervix - 14-year experience
    Sivanesaratnam V, Sen DK, Jayalakshmi P, Ong G
    Int. J. Gynecol. Cancer, 1993 Jul;3(4):231-238.
    PMID: 11578351
    During a 14-year period, 397 radical hysterectomies and pelvic lymphadenectomies were performed for early invasive carcinoma of the cervix. Twenty-one patients were in stage IA2 with lymphatic/vascular channel permeation (5.2%), 340 in stage IB (85.6%) and 34 in early stage 2A disease (8.5%). Eighteen patients (4.5%) were pregnant. Adenocarcinoma comprised 26.9% of cases. The mean operative time was 4.14 h; the intraoperative blood loss was less than 1.51 in 77.3% patients. There was no operative mortality; one patient died 3 weeks after surgery from clostridium difficile enterocilitis. Eleven patients (2.7%) developed venous thrombosis; severe lymphedema occurred in four (1%). The incidence of uretero-vaginal fistula was 0.2% and that of vesico-vaginal fistula 0.5%. Ovarian metastases were noted in 4.3% of cases with adenocarcinoma. Sixty-six patients had positive nodes (16.6%). Five-year survival in patients with more than 2 positive nodes was 68%. The use of adjuvant chemotherapy in patients with 'high risk' factors resulted in survival rates approaching those without risk factors. Neo-adjuvant chemotherapy was used in 10 patients with large bulky tumors; the results were favorable. Recurrences occurred in 47 patients (11.8%); 36 patients have died (9.1%). Age did not appear to influence survival. The overall 5-year survival was 92.2%.
    Matched MeSH terms: Risk Factors
  5. Three cases of human Sarcocystis infection with a review of human muscular sarcocystosis in Malaysia
    Pathmanathan R, Kan SP
    Trop Geogr Med, 1992 Jan;44(1-2):102-8.
    PMID: 1496700
    Three cases of muscular sarcocystosis from West Malaysia are reported. The morphological features of the parasites from these three cases are similar to the eight cases previously reported from this country. A review of this total of eleven cases of muscular sarcocystosis showed that they were all incidental findings, where man acted as intermediate hosts of as yet unknown Sarcocystis spp. These cases of muscular sarcocystosis were probably zoonotic in origin and associated with close contact with definitive hosts (both domestic and wild animals) thus permitting the contamination of food and drink with sporocysts shed by these definitive hosts. These infections were probably acquired locally as most of the subjects were born in Malaysia and none had ever left the country to stay elsewhere. Eight of the eleven cases reported were associated with malignancies, especially of the tongue and nasopharynx.
    Matched MeSH terms: Risk Factors
  6. Menstrual characteristics associated with endometriosis
    Arumugam K, Lim JM
    Br J Obstet Gynaecol, 1997 Aug;104(8):948-50.
    PMID: 9255089
    This case-controlled study investigates whether the presence of menstrual characteristics, which may increase the exposure of the peritoneal cavity to retrograde menstruation, increases the risk of developing endometriosis. The menstrual characteristics considered were 1. age at menarche of less than 12 years, 2. duration of menstrual flow greater than five days and 3. menstrual cycle lengths of < 28 days. The frequency with which these menstrual characteristics occurred in 305 women with proven endometriosis was compared with their frequency in 305 age-matched women without endometriosis. Adjusting for the confounding factors of parity, age at first childbirth and social class, the only menstrual characteristic that was significantly associated with endometriosis was menstrual cycle lengths of less than 28 days (odds ratio 1.83; 95% confidence intervals 1.60-2.55). There was insufficient evidence to conclude that the presence of menstrual characteristics which may increase the exposure of the peritoneal cavity to retrograde menstruation, increase a women's risk of developing endometriosis. The association of short menstrual cycle lengths with endometriosis may have been consequential rather than causal.
    Matched MeSH terms: Risk Factors
  7. A national study of risk factors associated with mortality in very low birthweight infants in the Malaysian neonatal intensive care units. Malaysian Very Low Birth Weight Study Group
    J Paediatr Child Health, 1997 Feb;33(1):18-25.
    PMID: 9069039
    OBJECTIVE: To determine the risk factors associated with mortality in very low birthweight (VLBW) infants admitted to the neonatal intensive care units (NIUC) in Malaysia.

    METHOD: A prospective observational study of outcome of all VLBW infants born between 1 January 1993 and 30 June 1993 and admitted to the NICU.

    RESULTS: Data of 868 VLBW neonates from 18 centres in Malaysia were collected. Their mean birthweight was 1223 g (95% confidence intervals: 1208-1238 g). Thirty-seven point four per cent (325/868) of these infants died before discharge. After exclusion of all infants with congenital anomalies (n = 66, and nine of them also had incomplete records) and incomplete records (n = 82), stepwise logistic regression analysis of the remaining 720 infants showed that the risk factors that were significantly associated with increased mortality before discharge were: delivery in district hospitals, Chinese race, lower birthweight, lower gestation age, persistent pulmonary hypertension of the newborn, pulmonary airleak, necrotizing enterocolitis of stage 2 or 3, confirmed sepsis, hypotension, hypothermia, acute renal failure, intermittent positive pressure ventilation, and umbilical arterial catheterization. Factors that were significantly associated with lower risk of mortality were: use of antenatal steroid, oxygen therapy, surfactant therapy and blood transfusion.

    CONCLUSION: The mortality of VLBW infants admitted to the Malaysian NICU was high and was also associated with a number of preventable risk factors.

    Matched MeSH terms: Risk Factors
  8. Risk factors for developing neonatal septicaemia at a Malaysian hospital
    Wong NA, Hunt LP, Marlow N
    J Trop Pediatr, 1997 02;43(1):54-8.
    PMID: 9078832 DOI: 10.1093/tropej/43.1.54
    A case-control study of antecedents of neonatal septicaemia was performed using 50 cases of neonatal septicaemia and 73 comparison infants from a Malaysian hospital nursery. Multivariate analysis indicated the following independent risk factors: maternal primiparity, pre-eclampsia, prolonged rupture of membranes, twin pregnancy, prematurity, assisted ventilation, umbilical catheterization, and formula feeding. Although the spectrum of causative organisms varied between our study and past studies from Western countries, the risk factors for developing neonatal septicaemia were strikingly similar. Therefore, preventative guidelines based on risk factors described in Western countries, should help reduce the incidence of neonatal septicaemia at this Malaysian hospital.
    Matched MeSH terms: Risk Factors
  9. Fulltext Risk factors for retinopathy in diabetes mellitus in Kelantan, Malaysia
    Shriwas SR, Rahman Isa AB, Reddy SC, Mohammad M, Mohammad WBW, Mazlan M
    Med J Malaysia, 1996 Dec;51(4):447-52.
    PMID: 10968032
    Few attempts have been made to determine the risk factors for diabetic retinopathy which is a major cause of visual impairment and blindness. One hundred and forty patients of diabetes mellitus were studied to determine the prevalence and types of retinopathy, and its relation to various risk factors. Nearly half (48.6%) of the patients suffered from retinopathy. The significant associated risk factors were long duration of diabetes, proteinuria and elevated serum creatinine level. However, there was no significant association between the prevalence of retinopathy and high levels of serum cholesterol, C-peptide levels, associated hypertension, and glycaemic control of diabetes mellitus. An effective screening programme for detection of retinopathy in the patients of diabetes as a regular practice is encouraged.
    Study site: Diabetic clinic, Hospital Universiti Sains Malaysia (HUSM), Kelantan, Malaysia
    Matched MeSH terms: Risk Factors
  10. Risk factors for accidental poisoning in urban Malaysian children
    Azizi BH, Zulkifli HI, Kasim MS
    Ann Trop Paediatr, 1993;13(2):183-8.
    PMID: 7687115
    In a case control study, 70 children consecutively hospitalized for acute ingestion of poisons were compared with 140 other hospitalized children matched for age. Children aged less than 3 years and boys were most often the victims. Univariate analysis identified Indian race, having a parent younger than 21 years, residing at present address for less than 1 year and living in a household with more than five occupants as significant risk factors. Experience of a recent stressful event in the family barely failed to reach the level of significance. Logistic regression analysis confirmed that Indian race, having a parent younger than 21 years and residing less than 1 year at the present address were independent predictors of acute poisoning. Positive interactions were noted between Indian race and duration of residence and between parental age and duration of residence. Knowledge of risk factors and their interactions may be useful in planning preventive measures against childhood poisoning.
    Matched MeSH terms: Risk Factors
  11. Research to prevent injuries
    Krishnan R, Karim H
    World Health Forum, 1998;19(2):159-60.
    PMID: 9652215
    Matched MeSH terms: Risk Factors
  12. Fulltext Socio-environmental predictors of soil-transmitted helminthiasis in a rural community in Malaysia
    Hidayah NI, Teoh ST, Hillman E
    Southeast Asian J. Trop. Med. Public Health, 1997 Dec;28(4):811-5.
    PMID: 9656406
    Soil-transmitted helminthiasis is a common problem in communities with poor socio-environmental conditions. This study was undertaken to identify important socio-environmental predictors of soil-transmitted helminthiasis in Bachok, a rural community in Kelantan for the development and implementation of an effective prevention and control program. Of 363 children randomly sampled, 38.8% were infected with soil-transmitted helminthiasis. Risk predictors of soil-transmitted helminthiasis found to be significant after adjustment included poor household hygiene score and large household size. The probability of being infected was 0.58 amongst children with both of these risk factors.
    Matched MeSH terms: Risk Factors
  13. Modulation of human lipids and lipoproteins by dietary palm oil and palm olein: a review
    Sundram K
    Asia Pac J Clin Nutr, 1997 Mar;6(1):12-6.
    PMID: 24394646
    Several human clinical trials have now evaluated palm oil's effects on blood lipids and lipoproteins. These studies suggest that palm oil and palm olein diets do not raise plasma TC and LDL-cholesterol levels to the extent expected from its fatty acid composition. With maximum substitution of palm oil in a Western type diet some coronary heart disease risk factors were beneficially modulated: HDL2-cholesterol was significantly increased while the apolipoprotein B/A1 ratio was beneficially lowered by palm oil. Comparison of palm olein with a variety of monounsaturated edible oils including rapeseed, canola, and olive oils has shown that plasma and LDL-cholesterol were not elevated by palm olein. To focus these findings, specific fatty acid effects have been evaluated. Myristic acid may be the most potent cholesterol raising saturated fatty acid. Palmitic acid effects were largely comparable to the monounsaturated oleic acid in normolipidaemic subjects while trans fatty acids detrimentally increased plasma cholesterol, LDL-cholesterol, lipoprotein Lp(a) and lowered the beneficial HDL-cholesterol. Apart from these fatty acids there is evidence that the tocotrienols in palm oil products may have a hypocholesterolaemic effect. This is mediated by the ability of the tocotrienols to suppress HMG-CoA reductase. These new findings on palm oil merit a scientific reexamination of the classical saturated fat-lipid hypothesis and its role in lipoprotein regulation.
    Matched MeSH terms: Risk Factors
  14. Acute respiratory tract infection: a community-based intervention study in Malaysia
    Lye MS, Nair RC, Choo KE, Kaur H, Lai KP
    J Trop Pediatr, 1996 06;42(3):138-43.
    PMID: 8699578 DOI: 10.1093/tropej/42.3.138
    A community-based intervention trial was conducted in Kelantan, Malaysia with the aim of reducing severe acute respiratory tract (ARI) infection in children. Interventions included health education of mothers on childhood pneumonia and training of health staff on case management. In a house-to-house survey 1382 and 1107 children less than 5 years of age in the intervention and control areas, respectively, were followed up every 2 weeks over a 62-week period. The reduction in the incidence of severe ARI cases in the intervention area was significantly greater than in the control area (P < 0.05). The ARI mortality rates were low in both the intervention and control areas ( < 0.1%). Our results indicate that with relatively inexpensive methods and simple interventions, reduction of severe ARI may be effectively achieved. This has important implications for an ARI control programme in Malaysia and other developing countries.
    Matched MeSH terms: Risk Factors
  15. Prevalence of oral precancerous and cancerous lesions in elderly Malaysians
    Ali TB, Jalalluddin RL, Abdul Razak I, Zain RB
    Asia Pac J Public Health, 1996;9:24-7.
    PMID: 10050195
    A house to house survey on elderly subjects aged 60 years old and above was undertaken in a large district in Malaysia. A total of 486 subjects in randomly selected Enumeration Blocks were interviewed and examined. The prevalence of oral precancerous lesions was recorded at 3.3%, of which leukoplakia was the most common. When the ethnic distribution of these oral precancerous and cancerous (OPC) lesions was compared, 72% of those inflicted were Indians. Oral cancer was detected in two subjects (0.4%), both of whom were of Indian origin. Among subjects with OPC lesions, 4.2% were smokers, 12.7% were betelquid chewers, 11.8% had indulged in both habits, whilst one subject had not practised any of the oral habits of interest (0.4%). The findings suggest the occurrence of OPC lesions to be related to betelquid chewing.
    Publication year=1996-1997
    Matched MeSH terms: Risk Factors
  16. Fulltext HIV infection in Malaysia: a report of cases seen at the University Hospital, Kuala Lumpur
    Ismail R, Doi S, Naganathna N
    Med J Malaysia, 1995 Dec;50(4):298-301.
    PMID: 8668046
    The spread of HIV infection into Malaysia is estimated to have occurred in the early 1980's. The first case of AIDS was reported here in 1986. As of March 31, 1994, the numbers have increased to 8049 HIV positive individuals detected in the country. The risk behaviours among those tested positive were intravenous drug use in 77.2%, sexual transmission in 4.5%, while the remainder are still under investigation. Pediatric AIDS constitutes 0.2% of positives. The high prevalence among intravenous drug users (IVDU) is likely to be due to mandatory testing for HIV upon entry to rehabilitation centres. The trend of HIV infection in this country seems to be highest amongst the intravenous drug users. The increasing number of HIV infected prostitutes and heterosexuals in our population is worrying. Since 1986, a total of 104 HIV positive individuals have been treated at the University Hospital, Kuala Lumpur, Malaysia. Of these, 25 have died and of those still alive, 5 have symptomatic disease. The most common AIDS-defining illness is Pneumocystis carinii pneumonia. Education programmes have been developed targeting the various high risk groups and the general population.
    Matched MeSH terms: Risk Factors
  17. A study of two cholera epidemics in the district of Tawau, Sabah (1989-1991)
    Khoo A
    Southeast Asian J. Trop. Med. Public Health, 1994 Mar;25(1):208-10.
    PMID: 7825016
    Matched MeSH terms: Risk Factors
  18. Risk factors for the transmission of diarrhoea in children: a case-control study in rural Malaysia
    Knight SM, Toodayan W, Caique WC, Kyi W, Barnes A, Desmarchelier P
    Int J Epidemiol, 1992 Aug;21(4):812-8.
    PMID: 1521988
    In response to a recorded increasing incidence of diarrhoea in Tumpat District, Malaysia, a case-control study was performed to identify modifiable risk factors for the transmission of diarrhoea, in children aged 4-59 months. Ninety-eight pairs of children, matched on age and sex, were recruited prospectively from health centres. Exposure status was determined during a home visit. Interviewers were 'blinded' as to the disease status of each child. Odds ratios were measured through matched pair analysis and conditional logistic regression. Risk factors for diarrhoea identified were: reported--drinking of unboiled water, storage of cooked food before consumption and bottle feeding; and observations--animals inside the house and absence of washing water in latrines. Water quality, source of drinking water, reported hand washing behaviour, indiscriminate defecation by children, cup use and the absence of a functional latrine were not associated with diarrhoea. Nonsignificant associations were found for: accessibility of washing water source, type of water storage container and use of fly covers for food.
    Matched MeSH terms: Risk Factors
  19. Coronary artery disease in Asians
    Rajadurai J, Arokiasamy J, Pasamanickam K, Shatar A, Mei Lin O
    Aust N Z J Med, 1992 Aug;22(4):345-8.
    PMID: 1445022
    From available studies, there appears to be a racial preponderance of coronary artery disease (CAD) among Indians when compared to other ethnic groups. We found that this racial difference exists even in a young Asian population with premature atherosclerosis. In this small series, these racial differences could not be explained by the commonly known risk factors for coronary artery disease--smoking, hypertension, diabetes and hypercholesterolaemia, findings similar to those found in older patients elsewhere. Only fasting triglyceride levels were significantly higher among young Indians compared to non Indians (p less than 0.02) although the importance of this finding as a risk factor for CAD remains controversial. The majority of these young patients were treated medically and their one year survival was good.
    Matched MeSH terms: Risk Factors
  20. Fulltext Review of hepatitis C in Malaysia
    Sinniah M
    Med J Malaysia, 1992 Sep;47(3):155-7.
    PMID: 1283439
    Matched MeSH terms: Risk Factors
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