Displaying publications 1 - 20 of 62 in total

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  1. Severe protein-energy malnutrition in Kuala Lumpur
    George R, Foo LC, Chong YH, Abraham SC
    J Trop Pediatr, 1981 10;27(5):259-62.
    PMID: 6798223 DOI: 10.1093/tropej/27.5.259
  2. Severe leptospirosis with unusual manifestation
    Othman N, Intan HI, Yip CW, Alias M, Amran F
    J Trop Pediatr, 2007 Feb;53(1):55-8.
    PMID: 17237115
    We report a case of an 8-year-old aborigine boy referred to our hospital for respiratory insufficiency with skin eruptions over the trunk and limbs. The skin condition was diagnosed as acquired ichthyosis. He also had a non-bleeding form of disseminated intravascular coagulopathy. Radiograph of the lungs showed bilateral perihilar opacities with bilateral pleural effusion. The diagnosis of leptospirosis was confirmed by a 4-fold rise in microagglutinating titre and polymerase chain reaction assay.
  3. Nutrition of Iban children of the Sut and Mujong Rivers
    Anderson AJ
    J Trop Pediatr, 1981 02;27(1):26-35.
    PMID: 7218412 DOI: 10.1093/tropej/27.1.26
  4. Empyema thoracis in hospitalized children in Kelantan, Malaysia
    Maziah W, Choo KE, Ray JG, Ariffin WA
    J Trop Pediatr, 1995 06;41(3):185-8.
    PMID: 7636941 DOI: 10.1093/tropej/41.3.185
    In this study, 31 cases of childhood empyema thoracis admitted over 4 1/2 years to the Hospital Universiti Sains Malaysia, in Kelantan, Malaysia, were retrospectively reviewed. Twenty-two males and nine females were included, with a mean age of 1.9 years (range: 26 days to 7 years). Frequent symptoms were fever, cough, and dyspnoea, while common signs were temperature above 38 degrees C, decreased breath sounds, dullness to chest percussion, and intercostal recession. Radiography demonstrated unilateral moderate to large effusions in 68 per cent of cases, while consolidated lung was seen in 45 per cent of patients. Pleural fluid cultures were positive for Staphylococcus aureus (48 per cent), Streptococcus pneumoniae (7 per cent), while no growth was seen in 42 per cent of cases. Ninety-four per cent of children had a blood leukocytosis above 10 000 cell/mm3, but blood cultures were negative in 21 out of 26 patients (81 per cent). Most cases were treated with a combination of intravenous antibiotics and chest tube drainage. Antibiotics and pleural tap(s) were used in the remainder. Patients stayed in hospital for an average of 20.7 days (range: 4-52 days). Surgical intervention was necessary in only four children. The mortality rate at the time of discharge was zero, with 100 per cent radiographic resolution among the 23 patients who were followed-up.
  5. Antibiotic resistance patterns in nosocomial gram-negative bacterial infections in units with heavy antibiotic usage
    Ariffin H, Navaratnam P, Kee TK, Balan G
    J Trop Pediatr, 2004 Feb;50(1):26-31.
    PMID: 14984166
    The pattern of antibiotic resistance amongst gram-negative bacteria (GNB) in paediatric units, which have heavy empirical usage of broad-spectrum antibiotics, was studied prospectively over a 6-month period. A total of 200 consecutive, non-duplicate gram-negative isolates were obtained from 109 patients admitted to intensive care and oncology units in two hospitals. The commonest isolates were Klebsiella spp (36.5 per cent) and Pseudomonas (20.0 per cent). The isolates showed lower susceptibility rates to the third-generation cephalosporins (47-62 per cent) compared with cefepime (91 per cent), imipenem (90 per cent) and ciprofloxacin (99 per cent). Fifty-four (52.8 per cent) Klebsiella and Escherichia coli isolates were determined to be extended-spectrum beta-lactamase (ESBL) producing strains. Antibiotics found to be effective against ESBL-producers were imipenem and ciprofloxacin. The high resistance rate amongst GNB to third-generation cephalosporins is a likely consequence of heavy empirical usage of this group of antibiotics. The carbapenems and quinolones remain useful agents in the management of patients admitted to these units.
  6. Influence of health providers on pediatrics' immunization rate
    Al-lela OQ, Baidi Bahari M, Al-abbassi MG, Salih MR, Basher AY
    J Trop Pediatr, 2012 Dec;58(6):441-5.
    PMID: 22538210 DOI: 10.1093/tropej/fms014
    To identify the immunization providers' characteristics associated with immunization rate in children younger than 2 years. A cohort and a cluster sampling design were implemented; 528 children between 18 and 70 months of age were sampled in five public health clinics in Mosul-Iraq. Providers' characterizations were obtained. Immunization rate for the children was assessed. Risk factors for partial immunization were explored using both bivariate analyses and multi-level logistic regression models. Less than half of the children had one or more than one missed dose, considered as partial immunization cases. The study found significant association of immunization rate with provider's type. Two factors were found that strongly impacted on immunization rate in the presence of other factors: birthplace and immunization providers' type.
  7. Risk factors associated with neonatal hypothermia during cleaning of newborn infants in labour rooms
    Cheah FC, Boo NY
    J Trop Pediatr, 2000 Feb;46(1):46-50.
    PMID: 10730042
    Cleaning newborn infants with coconut oil shortly after birth is a common practice in Malaysian labour rooms. This study aimed: (1) to determine whether this practice was associated with a significant decrease in the core temperature of infants; and (2) to identify significant risk factors associated with neonatal hypothermia. The core temperature of 227 randomly selected normal-term infants immediately before and after cleaning in labour rooms was measured with an infrared tympanic thermometer inserted into their left ears. Their mean post-cleaning body temperature (36.6 degrees C, SD = 1.0) was significantly lower than their mean pre-cleaning temperature (37.1 degrees C, SD = 1.0; p < 0.001). Logistic regression analysis showed that the risk factors significantly associated with pre-cleaning hypothermia (< 36.5 degrees C) were: (1) not being placed under radiant warmer before cleaning p = 0.03); and (2) lower labour room temperature (p < 0.001). Logistic regression analysis also showed that the risk factors significantly associated with post-cleaning hypothermia were: (1) lower labour room temperature (p < 0.001); (2) lower pre-cleaning body temperature (p < 0.001); and (3) longer duration of cleaning (p = 0.002). In conclusion, to prevent neonatal hypothermia, labour room temperature should be set at a higher level and cleaning infants in the labour room should be discouraged.
  8. Age, sex, haemoglobin level, and white cell count at diagnosis are important prognostic factors in children with acute lymphoblastic leukemia treated with BFM-type protocol
    Ng SM, Lin HP, Ariffin WA, Zainab AK, Lam SK, Chan LL
    J Trop Pediatr, 2000 Dec;46(6):338-43.
    PMID: 11191144
    The presenting features and treatment outcome for 575 Malaysian children (< or = 12 years of age) with newly diagnosed acute lymphoblastic leukemia (ALL), admitted to the University Hospital, Kuala Lumpur, Malaysia between 1 January 1980 and 30 May 1995 were evaluated to determine their prognostic significance. Two-year overall survival was achieved in 67 per cent of all patients and 55 per cent of patients were relapse-free at 2 years. All except 10 patients, with identified French-American-British L3 morphology were treated with the modified Berlin-Frankfurt-Munster 78 treatment protocol. Univariate analyses of failure rate conferred age, sex, white cell count and hemoglobin level as potentially significant prognostic factors. All four presenting features retained their prognostic strength in a multivariate analysis. Race, platelet count, morphological subtype, liver/spleen size, lymphadenopathy, central nervous system and mediastinal mass involvement did not show any significant effect on treatment outcome. The 2-year survival rate was significantly different with regard to age, white cell count and hemoglobin level. However, sex was not significantly related to overall survival. These prognostic factors may have implications on future stratification of risk-adjusted initial treatment in the management of childhood ALL. Our analysis of Malaysian children is similar to what could be predicted based on previous studies in other populations.
  9. Serum C-reactive protein concentrations in Malaysian children with enteric fever
    Choo KE, Davis TM, Henry RL, Chan LP
    J Trop Pediatr, 2001 Aug;47(4):211-4.
    PMID: 11523761
    To investigate the role of serum C-reactive protein (CRP) in the diagnosis of typhoid fever, we studied 227 febrile Malaysian children hospitalized during a 12-month period. The children were: culture-positive for Salmonella typhi (Group 1; n = 108); culture-negative but with typical clinical features of typhoid fever (Group 2; n = 60); or had non-typhoidal illness (Group 3; n = 59). Group 1 children had the highest serum CRP concentrations (geometric mean [SD range]; 43 [12-150] mg/l vs. 26 [8-85] mg/l in Group 2 and 21 [4-110] mg/l in Group 3; p < 0.001). In regression analysis, age, patient group and fever duration were independently associated with serum CRP (p < 0.05) but gender was not. In Group 1 patients, there was a significant positive association between serum CRP and Widal O and H agglutinin titres. In receiver-operator characteristic (ROC) analysis of serum CRP for Groups 1 and 2 combined, compared with Group 3, the area under the curve (AUC) was 0.65. These data show that the serum CRP is highest in culture-positive children with enteric fever and reflects the immune response to the infection in this group. Nevertheless, serum CRP had relatively low sensitivity and specificity for confirmed or clinically diagnosed typhoid fever (68 and 58 per cent, respectively at 'cut-off' concentration 30.0 mg/l), and an AUC value only moderately above that associated with no predictive power (0.5). Although of limited use as a primary diagnostic test, a raised serum CRP may still have a place as one of a range of features that facilitate assessment of a febrile child in a typhoid-endemic area.
  10. Paediatric intensive care in Kuala Lumpur, Malaysia: a developing subspecialty
    Goh AY, Lum LC, Chan PW
    J Trop Pediatr, 1999 Dec;45(6):362-4.
    PMID: 10667007
    Paediatric intensive care in Malaysia is a developing subspecialty with an increasing number of specialists with a paediatric background being involved in the care of critically ill children. A part prospective and part retrospective review of 118 consecutive non-neonatal ventilated patients in University Hospital, Kuala Lumpur was carried out from 1 June 1995 to 31 December 1996 to study the clinical epidemiology and outcome in our paediatric intensive case unit (PICU). The mean age of the patients was 33.9 +/- 6.0 months (median 16 months). The main mode of admission was emergency (96.6 per cent) with an overall mortality rate of 42 per cent (50/118). The mean paediatric risk of mortality (PRISM) score was 20 +/- 0.98 SEM, with 53 per cent of patients having a score of over 30 per cent. Multiorgan dysfunction (MODS) was identified in 71 per cent of patients. Admission efficiency (mortality risk > 1 per cent) was 97 per cent. Standardized mortality rate using PRISM was an acceptable 1.06. The main diagnostic categories were respiratory (32 per cent), neurology (22 per cent), haematology-oncology (18 per cent); the aetiology of dysfunction was mainly infective. Non-survivors were older (29.5 vs. 13.8 months, p < 0.0001), had more severe illness (mean PRISM score 30 vs. 14, p < 0.0001), were more likely to develop MODS (96 vs. 53 per cent, p < 0.0001) and required more intervention and monitoring. Paediatric intensive care in Malaysia differs widely from that in developed countries in patient characteristics, severity of illness, and care modalities provided.
  11. Changes in the process of care and outcome over a 10-year period in a neonatal nursery in a developing country
    Ho JJ, Chang AS
    J Trop Pediatr, 2007 Aug;53(4):232-7.
    PMID: 17578848
    Over a 10-year period there was increasing involvement by clinicians in the generation and implementation of evidence-based practices in the neonatal intensive care unit (NICU). For two cohorts of very low birth weight (VLBW) babies admitted 10 years apart to a developing country, NICU were compared and changes occurring in process of care that might have contributed to any change in outcome were documented.
  12. Prevalence of energy intake misreporting in Malay children varies based on application of different cut points
    Yang WY, Burrows T, Collins CE, MacDonald-Wicks L, Williams LT, Chee WS
    J Trop Pediatr, 2014 Dec;60(6):472-5.
    PMID: 25273889 DOI: 10.1093/tropej/fmu052
    This study aimed to identify the prevalence of energy misreporting amongst a sample of Malay children aged 9-11 years (n = 14) using a range of commonly used cut points. Participants were interviewed using repeated 24 h dietary recalls over three occasions. The Goldberg equations (1991 and 2000), Torun cut points and the Black and Cole method were applied to the data. Up to 11 of 14 children were classified as misreporters, with more under-reporters (between seven and eight children) than over-reporters (four or less children). There were significant differences in the proportion of children classified as energy misreporters when applying basal metabolic rate calculated using FAO/UNU/WHO (1985) and Malaysian-specific equations (p < 0.05). The results show that energy misreporting is common amongst Malay children, varying according to cut point chosen. Objective evaluation of total energy expenditure would help identify which cut point is appropriate for use in Malay paediatric populations.
  13. Validation of Paediatric Nutrition Screening Tool (PNST) among Hospitalized Malaysian Children
    Ong SH, Chen ST
    J Trop Pediatr, 2020 10 01;66(5):461-469.
    PMID: 31943107 DOI: 10.1093/tropej/fmz085
    BACKGROUND: It is recommended to screen hospitalized children to identify those at risk of malnutrition. Constricted schedule in tertiary care settings calls for the needs of a less burdensome yet effective nutrition screening tool. This study aimed to validate the use of Paediatric Nutrition Screening Tool (PNST) among hospitalized children in a Malaysian tertiary hospital.

    METHODS: This cross-sectional study recruited children below 18 years old admitting into general paediatric ward in a public hospital. The PNST and Subjective Global Nutritional Assessment (SGNA) were performed on 100 children (64 boys and 36 girls). The objective measurements include anthropometry (z-scores for weight, height and body mass index), dietary history and biochemical markers were measured. These were used to classify malnutrition as per Academy of Nutrition and Dietetics/American Society of Parental and Enteral Nutrition (AND/ASPEN) Consensus Statement for identification of paediatric malnutrition and WHO growth standards for children. Cohen's kappa was computed to report the level of agreement.

    RESULTS: The PNST identified 57% of hospitalized children as being at risk of malnutrition. In this study, there was a stronger agreement between PNST with AND/ASPEN malnutrition classification (k = 0.602) as when PNST was compared with WHO (k = 0.225) and SGNA (k = 0.431). The PNST shows higher specificity (85.29%) and sensitivity (78.79%) when compared with AND/ASPEN than with WHO malnutrition criteria (55.81% specificity and 66.67% sensitivity).

    CONCLUSION: This study showed the usefulness of routine use of PNST for screening the malnutrition risk of hospitalized children in Malaysian tertiary hospital settings.

  14. Diagnosis of Malnutrition in Children and Adolescents with Identified Developmental Disabilities (IDD) Using Subjective Global Nutrition Assessment (SGNA)
    Ong SH, Chen ST
    J Trop Pediatr, 2022 Jan 07;68(1).
    PMID: 35134248 DOI: 10.1093/tropej/fmac007
    BACKGROUND: Children with identified developmental disabilities (IDD) experience a higher risk of growth retardation. Anthropometric indicator is one common objective measurement used to determine malnutrition in those children. A comprehensive nutritional assessment tool should be introduced to offer a more robust approach in understanding their nutritional problems.

    OBJECTIVE: To determine the use of Subjective Global Nutrition Assessment (SGNA) as a nutrition assessment tool for children with IDD in comparison to the anthropometric indicators.

    METHODS: This cross-sectional study was conducted in local community settings. IDD included in this study were autism spectrum disorder (ASD), Down syndrome (DS) and cerebral palsy (CP). SGNA and anthropometry measurements including weight, height, mid-upper arm circumference and triceps skinfolds were performed on 93 children with IDD (40 ASD, 26 DS and 27 CP) aged 5-18 years. Cohen's Kappa, sensitivity, specificity and its 95% confidence interval were calculated between SGNA and anthropometric indicators for the agreement in determining malnutrition status of the children.

    RESULTS: SGNA identified a lower prevalence of malnutrition in children with IDD in comparison to the use of anthropometric indicators. SGNA obtained a moderate-to-fair agreement (above 80% agreement, except height-for-age parameter) and sensitivity (25.71-59.09%) against the use of a single anthropometric indicator in identifying the malnutrition status of the children.

    CONCLUSIONS: The use of SGNA as an adjunct to body mass index-for-age as an anthropometric measurement for diagnosing malnutrition in children and adolescents with IDD is recommended.

  15. Clinical features and treatment outcome of children with myeloid antigen coexpression in B-lineage acute lymphoblastic leukemia: a study of 151 Malaysian children
    Ng SM, Ariffin WA, Lin HP, Chan LL, Chin YM
    J Trop Pediatr, 2000 Apr;46(2):73-8.
    PMID: 10822932
    The purpose of the study was to evaluate the incidence of myeloid antigen coexpression and its prognostic significance in childhood acute lymphoblastic leukemia (ALL) in Malaysia. A retrospective study was conducted of all ALL cases (< or = 12 years old) diagnosed and treated in University Hospital, Kuala Lumpur, Malaysia between 1 January 1992 and 30 May 1995, with available immunophenotype data. Presenting features and treatment outcome of 39 B-lineage ALL patients with myeloid antigen coexpression (My+B) were compared with 112 B-lineage ALL patients without myeloid antigen coexpression (My-B) for similarity in demographic, clinical and laboratory features and their treatment outcome. My+B and My-B patients were treated with a uniform treatment protocol. Myeloid antigen coexpression was defined as more than 30% isolated leukemic cells positive for CD13 and/or CD33. The ages at diagnoses ranged from 2 months to 12 years. Median age was 4 years. The incidence of myeloid antigen coexpression was 23 per cent. Univariate analyses showed that presenting features were similar between My+B and My-B with regard to age, sex, race, FAB morphology, white cell count, hemoglobin level, platelet count, liver/spleen size, central nervous system or mediastinal involvement, presence of lymphadenopathy, and proportion of blast cells detected in the marrow. Treatment outcome were not significant between the two groups. The 2-year event free survival was achieved in 44 per cent of My+B and 57 per cent of My-B (p = 0.11). The 2-year overall survival rates were 62 per cent for My+B vs. 77 per cent for My-B (p = 0.08). This study demonstrates that myeloid antigen coexpression is fairly common and constitutes 23 per cent of childhood ALL within the Malaysian population and that it is not an adverse risk factor in childhood ALL.
  16. Brachial plexus injuries in Malaysian neonates: incidence and associated risk factors
    Boo NY, Lye MS, Kanchanamala M, Ching CL
    J Trop Pediatr, 1991 12;37(6):327-30.
    PMID: 1791654 DOI: 10.1093/tropej/37.6.327
    A prospective study was carried out on 26,176 Malaysian neonates born in the Maternity Hospital, Kuala Lumpur over a 12-month period to determine the incidence and associated risk factors of brachial plexus injuries. This condition was found in 42/26,176 neonates (1.6 per 1000 livebirths). Multiple logistic regression analysis of affected and control neonates from a nested case-control study showed that increasing birth weights and breech deliveries were the significant risk factors. Our study suggests that to reduce the occurrence of this condition, there is a need for: (i) better assessment of fetal size and maternal pelvimetry to enable earlier diagnosis of cephalo-pelvic disproportion, and (ii) review of the indications and techniques of breech delivery.
  17. Malnutrition in malaria endemic villages of Bengkoka Peninsula, Sabah
    Kandiah M, Lee M, Ng TK, Chong YH
    J Trop Pediatr, 1984 02;30(1):23-9.
    PMID: 6429349 DOI: 10.1093/tropej/30.1.23
  18. Antimicrobial susceptibility and distribution of non-typhoidal Salmonella serovars isolated in Malaysian children
    Lee WS, Puthucheary SD, Parasakthi N, Choo KE
    J Trop Pediatr, 2003 Feb;49(1):37-41.
    PMID: 12630719
    There is widespread resistance of Salmonella species to commonly prescribed antimicrobials the world over. We aimed to determine the antimicrobial susceptibility and serovar distribution of non-typhoidal Salmonella (NTS) isolated from blood cultures of Malaysian children. Positive isolates of NTS from blood cultures obtained from children admitted to the pediatric wards of University of Malaya Medical Center (UMMC), a large urban hospital from Kuala Lumpur (1991-2001), and Hospital Kota Bharu (HKB), from the predominantly rural state of Kelantan (1991-1999), Malaysia, were reviewed retrospectively. Serovar distribution and antimicrobial susceptibility were ascertained. A total of 64 and 55 isolates of NTS were obtained from blood cultures of children admitted to UMMC and HKB, respectively. The commonest serovar isolated was Salmonella enteritidis in both centers. The NTS isolated were highly sensitive to the antimicrobials tested: ampicillin 98 per cent, chloramphenicol 98 per cent, gentamicin 97 per cent, trimethoprim-sulfamethoxazole (TMP-SMX) 98 per cent, and ceftriaxone 100 per cent in UMMC; ampicillin 100 per cent, chloramphenicol 87 per cent, kanamycin 100 per cent, streptomycin 96 per cent, TMP-SMX 93 per cent, and tetracycline 89 per cent in HKB. There were only one and five multi-resistant isolates in UMMC and HKB, respectively. In conclusion, NTS isolated from blood cultures of Malaysian children from Kuala Lumpur and Kota Bharu were highly sensitive to commonly prescribed antibiotics. We speculate that this is due to the restriction of sales of antimicrobials in Malaysia except by prescription. Continuing vigilance and frequent antmicrobial surveillance is necessary.
  19. Acute respiratory infection in Malaysian children
    Lye MS, Deavi U, Lai KP, Kaur H, Nair RC, Choo KE
    J Trop Pediatr, 1994 Dec;40(6):334-40.
    PMID: 7853437
    A cross-sectional community-based survey was conducted to determine the prevalence of acute respiratory infection (ARI) in children below 7 years of age and to obtain baseline information for an intervention programme. A total of 6190 households comprising 38,632 persons with 12,273 children (32 per cent) below 7 years of age were surveyed. Information on socio-demographic variables, environmental sanitation, occurrence of ARI and diarrhoea, treatment seeking behaviour during episodes of those illnesses and immunizations among children were obtained. Thirty per cent of children had experienced ARI in the 2-week period prior to the interview, and 94 per cent had mild ARI, 1 per cent had moderate and 5 per cent had severe ARI. There was lack of concurrence between mother's perception of severity and that of the investigators' (Kappa coefficient = 0.083 (95 per cent CI = 0.017-0.149). Twenty-four and 39 per cent of severe and moderate ARI, respectively, were reported by mothers to be mild. There is cause for concern as these children may not receive timely and appropriate treatment. The findings from this study contribute to identification of target populations and priority areas for health education of the population. The survey has provided useful baseline data for the implementation of an intervention programme for the control of ARI in children.
  20. Breast-feeding and the urban poor in developing countries
    Serva V, Karim H, Ebrahim GJ
    J Trop Pediatr, 1986 06;32(3):127-9.
    PMID: 3747002 DOI: 10.1093/tropej/32.3.127
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