Displaying publications 1 - 20 of 62 in total

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  1. 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. Leigh B, Ebrahim GJ, Lovell H, Yusof K
    J Trop Pediatr, 1983 10;29(5):265-7.
    PMID: 6644850 DOI: 10.1093/tropej/29.5.265
  3. 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.
  4. Boo NY, Lye MS
    J Trop Pediatr, 1992 12;38(6):284-9.
    PMID: 1844086 DOI: 10.1093/tropej/38.6.284
    A 2-month prospective study was carried out in a Kuala Lumpur maternity hospital to determine the antenatal and intrapartum factors associated with perinatal asphyxia in the Malaysian neonates. The incidence of perinatal asphyxia was 18.7 per 1000 livebirths. Of the 75 asphyxiated neonates born during this period, 70 (93.3 per cent) were of term or post-term gestation. The incidence of perinatal asphyxia was more common in the neonates with one of the following characteristics: low birth weight (< 2500 g), breech delivery, or delivery by instrumentation or lower segment Caesarean section (P < 0.001). Conditional logistic regression analysis of the asphyxiated and the control neonates in a nested case-control study (after controlling for sex, race, birth weight, modes of delivery, and maternal gravida) showed that there were two associated factors which were of statistical significance. These were: small-for-gestation neonates and the presence of intrapartum problems. Our study suggests that to reduce the incidence of perinatal asphyxia, the common causes of small-for-gestation neonates and the common types of intrapartum problems should be identified to enable appropriate preventive measures to be carried out.
  5. Boo NY, Ong LC, Lye MS, Wong KP, Mastura M
    J Trop Pediatr, 1993 Aug;39(4):224-9.
    PMID: 8411316
    A prospective study was carried out to determine the incidence, clinical presentation, early outcome, and risk factors associated with periventricular haemorrhage (PVH) in 88 (84 per cent) of the 105 consecutive very low birth weight (VLBW) (< 1500 g) Malaysian neonates born in the Maternity Hospital, Kuala Lumpur. Based on the cranial ultrasound findings, PVH was detected in 86 of the 88 neonates (98 per cent, 95 per cent confidence intervals: 95 to 101). Seventeen (20 per cent) of them had grade I, 52 (61 per cent) had grade II, 7 (8 per cent) had grade III and 10 (12 per cent) had grade IV PVH. PVH was detected in all the affected neonates by the fifth day of life. Sixty-four neonates (74 per cent) were symptomatic when PVH was first detected. Shock (P < 0.01), pallor (P = 0.028), low haematocrit of less than 40 per cent (P < 0.01), convulsion (P < 0.001), and bulging of anterior fontanelle (P = 0.019) were significantly more common in the neonates with severe PVH (grades III or IV). Death occurred in 43/86 (50 per cent, 95 per cent confidence interval: 39-61 per cent) of the neonates with PVH before their first discharge from the hospital. Ventriculomegaly developed in 29/43 (67 per cent, 95 per cent confidence intervals: 54.4-81.4) of the survivors with PVH. Our study suggests that PVH is a common problem in the Malaysian VLBW neonates. To reduce the incidence and severity of this condition, prevention of preterm delivery and improvement in the basic facilities for neonatal care would help.
  6. 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).
  7. 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.
  8. 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.
  9. 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.
  10. 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.
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