Displaying publications 1941 - 1960 of 2799 in total

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  1. Fulltext The frequency of non-A, non-B hepatitis in acute and chronic liver disease
    Ross IN, Madhavan HN, Tan SH, Abdul Rahim K
    Med J Malaysia, 1985 Dec;40(4):301-6.
    PMID: 3025569
    Serological markers were used to determine the infective agents causing acute viral hepatitis in 246 patients. The frequencies of the five viral infections investigated were: non-A, non-B hepatitis - 99 patients (40.2%); hepatitis A - 98 patients (39.8%); hepatitis B - 43 patients (17.5%); cytomegalovirus - 4 patients (1.6%); and Epstein-Barr virus - 2 patients (0.8%). The log mean ages of presentation for the three predominant infections were: hepatitis A - 18 years; hepatitis B - 25 years; and non-A, non-B hepatitis - 30 years (F = 18.8, p =< 0.001). 52% of all cases were Malays (expected 32. 7%); 32% Chinese (expected 54.6%); and 16% Indians (expected 1l.5%) (X2 = 53, p = < 0.001). Hepatitis A virus infection was more common amongst Malays whilst non-A, non-B hepatitis was more frequent amongst Chinese and Indians. 28% of children <16 years) and 50% of adults had serological markers of previous hepatitis B infection. The variation in frequency for the different forms of hepatitis amongst the three main ethnic groups would suggest that socioeconomic and/or cultural factors are important in the propagation of acute viral hepatitis in Malaysia. HBsAg-negative chronic liver disease in our community may be a product of the high incidence of non-A, non-B hepatitis.
    Matched MeSH terms: Child, Preschool
  2. Malaysian child psychiatric practice: a pragmatic and rational approach
    Yeoh KL, Ong SB
    Aust N Z J Psychiatry, 1982 Jun;16(2):61-6.
    PMID: 6957184
    A pragmatic and rational approach to the management of five child psychiatric cases in Malaysia is briefly reviewed. The significance of sociocultural factors in treating these cases within the context of a rapidly developing plural society is emphasized. The implications of overemphasis on educational and material achievements are noted.
    Matched MeSH terms: Child, Preschool
  3. A cross-sectional study of hepatitis B immune status in Asian children in Singapore
    Quak SH, Singh R, Oon CJ, Wong HB
    Ann Trop Paediatr, 1982 Jun;2(2):53-6.
    PMID: 6185078
    A study of race-related distribution of hepatitis B markers was conducted in 458 children admitted consecutively to Singapore General Hospital. The positive rates for hepatitis B surface antigen (HBsAg) in Chinese, Malays and Indians were 11.2, 8.0 and 12.2% respectively and the corresponding figures for anti-HBs were 30.2, 12.0 and 14.6%. In Chinese children HBsAg prevalence was shown to be sex-related, being higher in males than females. The percentages of Chinese children positive for anti-HBs and anti-HBc were also higher than those of the Indians. This study confirmed that Singapore children were exposed to hepatitis B infection from early life. All three races were equally susceptible to this infection.
    Matched MeSH terms: Child, Preschool
  4. Fulltext Utilisation of ophthalmic services by foreign nationals in Johor: a review of 452 patients
    Hooi SH, Hooi ST
    Med J Malaysia, 2003 Oct;58(4):579-86.
    PMID: 15190634
    Between 1st January 1999 and 31st December 2000, 452 foreign nationals were treated at the Department of Ophthalmology, Hospital Sultanah Aminah, Johor Bahru. Eighty-five percent were male. The peak age range was from 21 to 30 years old. The patients were predominantly Indonesians (61%). A history of trauma was present in 63% of patients. Eight percent of eyes had severe visual impairment. Six patients (1.3%) were blind by WHO standards. Traumatic eye conditions, inflammatory/allergic eye conditions and degenerative eye conditions comprised 66%, 13% and 10% respectively of ocular pathology seen. The commonest ocular findings were corneal foreign body, corneal abrasion and subconjunctival haemorrhage.
    Matched MeSH terms: Child, Preschool
  5. Assessment of tracheal intubating conditions in children using remifentanil and propofol without muscle relaxant
    Batra YK, Al Qattan AR, Ali SS, Qureshi MI, Kuriakose D, Migahed A
    Paediatr Anaesth, 2004 Jun;14(6):452-6.
    PMID: 15153205
    Tracheal intubation in children can be achieved by deep inhalational anaesthesia or an intravenous anaesthetic and a muscle relaxant, suxamethonium being widely used despite several side-effects. Studies have shown that oral intubation can be facilitated safely and effectively in children after induction of anaesthesia with propofol and alfentanil without a muscle relaxant. Remifentanil is a new, ultra-short acting, selective mu-receptor agonist that is 20-30 times more potent than alfentanil. This clinical study was designed to assess whether combination of propofol and remifentanil could be used without a muscle relaxant to facilitate tracheal intubation in children.
    Matched MeSH terms: Child, Preschool
  6. Fulltext Update on the prevalence of malnutrition among children in Asia
    Khor GL
    Nepal Med Coll J, 2003 Dec;5(2):113-22.
    PMID: 15024783
    Approximately 70.0% of the world's malnourished children live in Asia, resulting in the region having the highest concentration of childhood malnutrition. About half of the preschool children are malnourished ranging from 16.0% in the People's Republic of China to 64.0% in Bangladesh. Prevalence of stunting and underweight are high especially in South Asia where one in every two preschool children is stunted. Besides protein-energy malnutrition, Asian children also suffer from micronutrient deficiency. Iron deficiency anaemia affects 40.0-50.0% of preschool and primary school children. Nearly half of all vitamin A deficiency and xeropthalmia in the world occurs in South and Southeast Asia, with large numbers of cases in India (35.3 million), Indonesia (12.6 million) and China (11.4 million). Another major micronutrient problem in the region is iodine deficiency disorders, which result in high goiter rates as manifested in India, Pakistan and parts of Indonesia. While under-nutrition problem persists, overweight problem in children has emerged in Asia, including Taiwan, Singapore and urban China and Malaysia. The etiology of childhood malnutrition is complex involving interactions of multiple determinants that include biological, cultural and socio-economic influences. Protein-energy malnutrition and micronutrient deficiency leading to early growth failure often can be traced to poor maternal nutritional and health care before and during pregnancy, resulting in intrauterine growth retardation and children born with low birth weight. While significant progress has been achieved over the past 30 years in reducing the proportion of malnourished children in developing countries, nonetheless, malnutrition persists affecting large numbers of children. The socio-economic cost of the malnutrition burden to the individual, family and country is high resulting in lower cognitive outcomes in children and lower adult productivity. Interventions that are cost-effective and culturally appropriate for the elimination of childhood malnutrition deserve the support of all.
    Matched MeSH terms: Child, Preschool
  7. Pattern of Epstein-Barr virus association in childhood non-Hodgkin's lymphoma: experience of university of malaya medical center
    Peh SC, Nadarajah VS, Tai YC, Kim LH, Abdullah WA
    Pathol. Int., 2004 Mar;54(3):151-7.
    PMID: 14989737
    The pattern of childhood non-Hodgkin's lymphoma (NHL) usually differs in adults. The most common subtypes are lymphoblastic, Burkitt's and anaplastic large cell lymphoma. Recent data indicate that a higher risk of developing lymphoma is associated in children of certain ethnic origins. The difference is probably related to the underlying etiological factors of these diseases, and Epstein-Barr virus (EBV) is a strong candidate. The present study aims to determine the disease pattern of childhood lymphomas in the University Hospital Kuala Lumpur, for a direct comparison to the reported data of adults from the same medical center. A total of 69 and 34 childhood NHL and Hodgkin's lymphomas, respectively, were retrieved. The most common subtypes were lymphoblastic (23 cases), Burkitt's (25 cases) and anaplastic large cell lymphomas (9 cases). Epstein-Barr virus association was more prevalent in B-cell (23%) than T-cell (12%) lymphomas. The most common EBV-associated tumor was Burkitt's lymphoma, and there was an increased risk of EBV association for Burkitt's lymphoma in Chinese patients. In conclusion, the pattern of childhood lymphoma in Malaysia is relatively similar to children elsewhere in the world. The EBV association of B- and T-NHL differs between children and adults from the same medical center because of differences in the subtype composition in these two age groups.
    Matched MeSH terms: Child, Preschool
  8. DNA fingerprinting of human isolates of Salmonella enterica serotype Paratyphi B in Malaysia
    Goh YL, Yasin R, Puthucheary SD, Koh YT, Lim VK, Taib Z, et al.
    J Appl Microbiol, 2003;95(5):1134-42.
    PMID: 14633043
    DNA fingerprinting of Salmonella enterica serotype Paratyphi B isolated in Malaysia during 1982-83, 1992 and 1996-2002 was carried out by pulsed-field gel electrophoresis (PFGE), antimicrobial susceptibility tests and D-tartrate utilization tests to assess the extent of genetic diversity of these isolates in Malaysia.
    Matched MeSH terms: Child, Preschool
  9. High prevalence of Southeast Asian ovalocytosis in Malays with distal renal tubular acidosis
    Yusoff NM, Van Rostenberghe H, Shirakawa T, Nishiyama K, Amin N, Darus Z, et al.
    J Hum Genet, 2003;48(12):650-653.
    PMID: 14618420 DOI: 10.1007/s10038-003-0095-2
    Southeast Asian ovalocytosis (SAO) is a red blood cell abnormality common in malaria-endemic regions and caused by a 27 nt deletion of the band 3 protein gene. Since band 3 protein, also known as anion exchanger 1, is expressed in renal distal tubules, the incidence of SAO was examined in distal renal tubular acidosis (dRTA) in Malays in Kelantan, Malaysia. Twenty-two patients with dRTA and 50 healthy volunteers were examined for complication of SAO by both morphological and genetic analyses. SAO was identified in 18 of the 22 dRTA patients (81.8%), but only two of the 50 controls (4%). The incidence of SAO was significantly high in those with dRTA (p<0.001), indicating a dysfunctional role for band 3 protein/anion exchanger 1 in the development of dRTA.
    Matched MeSH terms: Child, Preschool
  10. The control of malaria among the Orang Asli in West Malaysia
    Bolton JM
    Med J Malaya, 1972 Sep;27(1):10-9.
    PMID: 4264819
    Matched MeSH terms: Child, Preschool
  11. Brugia infections in man and animals: long-term observations on microfilaraemia and estimates of the efficiency of transmission from mosquito vector to definitive host
    Wilson T, Ramachandran CP
    Ann Trop Med Parasitol, 1971 Dec;65(4):525-46.
    PMID: 4401424
    Matched MeSH terms: Child, Preschool
  12. Cardiovascular disease in a West Malaysian town. A survey in general practice
    Balasundaram R
    Trans R Soc Trop Med Hyg, 1970;64(4):607-14.
    PMID: 5485621 DOI: 10.1016/0035-9203(70)90085-4
    The pattern and incidence of cardiovascular disease was studied in a general practice in an urban-rural area in the west coast of West Malaysia. Hypertension, rheumatic heart disease and congenital heart disease accounted for 85% of the 476 patients with evidence of cardiovascular disease. Ischaemic heart disease, arteriosclerotic heart disease and other conditions accounted for the rest. Emphasis is laid on the salient features of incidence in general practice. Comparison is made with previous clinical and pathological studies from this region.
    Study site: General practjce clinic, Telok Anson [Teluk Intan], District of Lower Perak, Malaysia
    Matched MeSH terms: Child, Preschool
  13. A holistic (Horney) approach to the psychoses: the schizophrenias. I. Sociocultural, developmental and psychogenetic factors
    Rubins JL
    Am J Psychoanal, 1969;29(2):131-46.
    PMID: 4900056
    Matched MeSH terms: Child, Preschool
  14. [New research concerning Burkitt's syndrome]
    Ravina A
    Presse Med, 1968 Dec 7;76(48):2271-3.
    PMID: 5720934
    Matched MeSH terms: Child, Preschool
  15. Nutritional status in a rural estate community
    Kandiah N, Boo LJ
    Med J Malaysia, 1977 Jun;31(4):270-6.
    PMID: 412038
    Matched MeSH terms: Child, Preschool
  16. Assessing the hydration status of children with chronic kidney disease and on dialysis: a comparison of techniques
    Eng CSY, Bhowruth D, Mayes M, Stronach L, Blaauw M, Barber A, et al.
    Nephrol Dial Transplant, 2018 05 01;33(5):847-855.
    PMID: 29136192 DOI: 10.1093/ndt/gfx287
    Background: Fluid balance is pivotal in the management of children with chronic kidney disease (CKD) and on dialysis. Although many techniques are available to assess fluid status, there are only a few studies for children, of which none have been comparable against cardiovascular outcome measures.

    Methods: We performed a longitudinal study in 30 children with CKD5-5D and 13 age-matched healthy controls (71 measurements) to determine a correlation between optimal weight by bioimpedance spectroscopy (Wt-BIS) and clinical assessment (Wt-CA). The accuracy of Wt-BIS [relative overhydration (Rel-OH)] was compared against indicators of fluid status and cardiovascular measures.

    Results: There was poor agreement between Wt-CA and Wt-BIS in children on dialysis (P = 0.01), but not in CKD5 or control subjects. We developed a modified chart to plot Rel-OH against systolic blood pressure (SBP) z-score for the appropriate representation of volume status and blood pressure (BP) in children. In total, 25% of measurements showed SBP >90th percentile but not with concurrent overhydration. Rel-OH correlated with peripheral pulse pressure (P = 0.03; R = 0.3), higher N-terminal pro-brain natriuretic peptide (P = 0.02; R = 0.33) and left ventricular end-diastolic diameter (P = 0.05; R = 0.38). Central aortic mean and pulse pressure significantly associated with the left ventricular end-diastolic diameter (P = 0.03; R = 0.47 and P = 0.01; R = 0.50, respectively), but not with Rel-OH. SBP was positively associated with pulse wave velocity z-score (P = 0.04). In total, 40% of children on haemodialysis and 30% on peritoneal dialysis had increased left ventricular mass index.

    Conclusions: BIS provides an objective method for the assessment of hydration status in children on dialysis. We noted a marked discrepancy between BP and hydration status in children on dialysis that warrants further investigation.

    Matched MeSH terms: Child, Preschool
  17. Fulltext Use of bevacizumab as a single agent or in adjunct with traditional chemotherapy regimens in children with unresectable or progressive low-grade glioma
    Zhukova N, Rajagopal R, Lam A, Coleman L, Shipman P, Walwyn T, et al.
    Cancer Med, 2019 01;8(1):40-50.
    PMID: 30569607 DOI: 10.1002/cam4.1799
    In pediatric low-grade gliomas not amenable to complete resection, various chemotherapy regimens are the mainstream of treatment. An excellent overall survival of these patients makes justification of the intensification of chemotherapy difficult and calls for the development of new strategies. Bevacizumab, a humanized monoclonal antibody directed against Vascular endothelial growth factor (VEGF), has been successfully used in combination with irinotecan in a number of adult and pediatric studies and reports. Fifteen patients at median age of 7 years old (range 3 months to 15 years) were treated with bevacizumab in combination with conventional low-toxicity chemotherapy. The majority had chiasmatic/hypothalamic and midline tumors, seven had confirmed BRAF pathway alterations including neurofibromatosis type 1 (2). Fourteen patients had more than one progression and three had radiotherapy. No deaths were documented, PFS at 11 and 15 months was 71.5% ± 13.9% and 44.7% ± 17.6% respectively. At the end of follow-up 40% of patients has radiologically stable disease, three patients progressed shortly after completion of bevacizumab and two showed mixed response with progression of cystic component. Rapid visual improvement was seen in 6/8 patients, resolution of endocrine symptoms in 2/4 and motor function improvement in 4/6. No relation between histology or BRAF status and treatment response was observed. Treatment-limiting toxicities included grade 4 proteinuria (2) and hypertension (2) managed with cessation (1) and pausing of therapy plus antihypertensives (1). In conclusion, bevacizumab is well tolerated and appears most effective for rapid tumor control to preserve vision and improve morbidity.
    Matched MeSH terms: Child, Preschool
  18. Novel biallelic SZT2 mutations in 3 cases of early-onset epileptic encephalopathy
    Tsuchida N, Nakashima M, Miyauchi A, Yoshitomi S, Kimizu T, Ganesan V, et al.
    Clin Genet, 2018 02;93(2):266-274.
    PMID: 28556953 DOI: 10.1111/cge.13061
    The seizure threshold 2 (SZT2) gene encodes a large, highly conserved protein that is associated with epileptogenesis. In mice, Szt2 is abundantly expressed in the central nervous system. Recently, biallelic SZT2 mutations were found in 7 patients (from 5 families) presenting with epileptic encephalopathy with dysmorphic features and/or non-syndromic intellectual disabilities. In this study, we identified by whole-exome sequencing compound heterozygous SZT2 mutations in 3 patients with early-onset epileptic encephalopathies. Six novel SZT2 mutations were found, including 3 truncating, 1 splice site and 2 missense mutations. The splice-site mutation resulted in skipping of exon 20 and was associated with a premature stop codon. All individuals presented with seizures, severe developmental delay and intellectual disabilities with high variability. Brain MRIs revealed a characteristic thick and short corpus callosum or a persistent cavum septum pellucidum in each of the 2 cases. Interestingly, in the third case, born to consanguineous parents, had unexpected compound heterozygous missense mutations. She showed microcephaly despite the other case and previous ones presenting with macrocephaly, suggesting that SZT2 mutations might affect head size.
    Matched MeSH terms: Child, Preschool
  19. Detection of copy number variations in epilepsy using exome data
    Tsuchida N, Nakashima M, Kato M, Heyman E, Inui T, Haginoya K, et al.
    Clin Genet, 2018 03;93(3):577-587.
    PMID: 28940419 DOI: 10.1111/cge.13144
    Epilepsies are common neurological disorders and genetic factors contribute to their pathogenesis. Copy number variations (CNVs) are increasingly recognized as an important etiology of many human diseases including epilepsy. Whole-exome sequencing (WES) is becoming a standard tool for detecting pathogenic mutations and has recently been applied to detecting CNVs. Here, we analyzed 294 families with epilepsy using WES, and focused on 168 families with no causative single nucleotide variants in known epilepsy-associated genes to further validate CNVs using 2 different CNV detection tools using WES data. We confirmed 18 pathogenic CNVs, and 2 deletions and 2 duplications at chr15q11.2 of clinically unknown significance. Of note, we were able to identify small CNVs less than 10 kb in size, which might be difficult to detect by conventional microarray. We revealed 2 cases with pathogenic CNVs that one of the 2 CNV detection tools failed to find, suggesting that using different CNV tools is recommended to increase diagnostic yield. Considering a relatively high discovery rate of CNVs (18 out of 168 families, 10.7%) and successful detection of CNV with <10 kb in size, CNV detection by WES may be able to surrogate, or at least complement, conventional microarray analysis.
    Matched MeSH terms: Child, Preschool
  20. Ten-year trend in prevalence and outcome of Down syndrome with congenital heart disease in a middle-income country
    Zahari N, Mat Bah MN, A Razak H, Thong MK
    Eur J Pediatr, 2019 Aug;178(8):1267-1274.
    PMID: 31222391 DOI: 10.1007/s00431-019-03403-x
    Limited data are available on the survival of patients with Down syndrome and congenital heart disease (CHD) from middle-income countries. This retrospective cohort study was performed to determine the trends in the prevalence and survival of such patients born from January 2006 to December 2015 in Malaysia. Among 754 patients with Down syndrome, 414 (55%) had CHD, and no significant trend was observed during the 10 years. Of these 414 patients, 30% had lesions that closed spontaneously, 35% underwent surgery/intervention, 9% died before surgery/intervention, and 10% were treated with comfort care. The overall mortality rate was 23%, the median age at death was 7.6 months, and no significant changes occurred over time. The early and late post-surgery/intervention mortality rates were 0.7% and 9.0%, respectively. Most deaths were of non-cardiac causes. The overall 1-, 5-, and 10-year survival rates were 85.5%, 74.6%, and 72.9%, respectively. Patients with severe lesions, persistent pulmonary hypertension of the newborn, atrioventricular septal defect, and pulmonary hypertension had low survival at 1 year of age.Conclusion: The prevalence of CHD in patients with Down syndrome is similar between Malaysia and high-income countries. The lower survival rate is attributed to limited expertise and resources which limit timely surgery. What is Known: • The survival of patients with Down syndrome with congenital heart disease (CHD) has improved in high-income countries. However, little is known about the survival of patients with Down syndrome with CHD from middle-income countries. • In the Caucasian population, atrioventricular septal defect is the most common type of CHD associated with Down syndrome. What is New: • In middle-income countries, the prevalence of CHD is the same as in high-income countries, but with a lower survival rate. • In the Asian population, ventricular septal defect is the most common type of CHD in patients with Down syndrome.
    Matched MeSH terms: Child, Preschool
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