Displaying publications 1 - 20 of 61 in total

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  1. Ong LC, Chandran V, Peng R
    J Paediatr Child Health, 1999 Aug;35(4):358-362.
    PMID: 28871653 DOI: 10.1046/j.1440-1754.1999.00383.x
    OBJECTIVE: To compare parenting stress among Malaysian mothers of children with mental retardation and a control group, and to determine factors associated with stress.
    METHODOLOGY: Seventy-five mothers of children with mental retardation aged 4-12 years and 75 controls (those without disabilities who attended the walk-in paediatric clinic) participated in the Parenting Stress Index (PSI). Intelligence quotient (IQ) and Child Behaviour Checklist (CBCL) scores, together with sociodemographic data, were entered into a multiple stepwise regression analysis, using the PSI as the criterion.
    RESULTS: Mothers of children with mental retardation scored significantly higher than control subjects in both the child-related domain (difference between means 26.1, 95% confidence interval 19.6-32.5) and parent-related domain (difference between means 15.0, 95% confidence interval 7.9-22.1) of the PSI. The total child behaviour scores from the CBCL (P < 0.01), IQ scores (P < 0.01) and sibship size (P < 0.01) were associated with child-related domain scores. For the parent-related domain, CBCL (P < 0.01) and IQ scores (P = 0.01) remained important factors but Chinese ethnicity (P < 0.01) and maternal unemployment (P < 0.01) were also significant predictors of stress.
    CONCLUSION: A large proportion of mothers of children with mental retardation experienced substantial parenting stress, especially Chinese and unemployed mothers, and this warrants appropriate intervention.
    Study site: Outpatient clinic, Paediatric Institute, Hospital Kuala Lumpur, Malaysia
  2. Boo NY, Ong LC
    Singapore Med J, 1990 Dec;31(6):539-42.
    PMID: 2281348
    A study was carried out on 8,369 neonates delivered in the Maternity Hospital, Kuala Lumpur over a period of four months. Forty-nine neonates (5.6 per 1000 livebirths) had congenital talipes. The incidence of congenital talipes equinovarus (CTEV) was 4.5 per 1000 livebirths while that of congenital talipes calcaneovalgus (CTCV) was 1.3 per 1000 livebirths. 6/11 (54.5%) of the CTCV was unilateral, the ratio of right to left feet involvement being 1:1. Only 12/38 (31.5%) of the CTEV were unilateral, the ratio of right to left feet involvement being 1:2. Congenital talipes was significantly more common in the low birthweight neonates (p less than 0.001). However, the condition was not significantly more common in neonates with breech presentation nor in those born to primigravida mothers. Our data suggested that multifactorial genetic background as the most likely underlying cause of congenital talipes in Malaysian neonates.
  3. Ong LC, Norshireen NA, Chandran V
    Dev Neurorehabil, 2011;14(1):22-8.
    PMID: 21241175 DOI: 10.3109/17518423.2010.523057
    To compare parenting stress between mothers of children with spina bifida (SB) and able bodied controls.
  4. Ong LC, Norshireen NA, Chandran V
    World J Pediatr, 2011 Feb;7(1):54-9.
    PMID: 21191777 DOI: 10.1007/s12519-011-0246-z
    this study aimed to compare mental health of mothers of children with spina bifida with mothers of able-bodied controls.
  5. Kanaheswari Y, Razak NN, Chandran V, Ong LC
    Spinal Cord, 2011 Mar;49(3):376-80.
    PMID: 20838404 DOI: 10.1038/sc.2010.125
    Prospective cross-sectional multidimensional study using clinical assessment and standard measures.
  6. Rohana J, Ong LC, Abu Hassan AA
    Med J Malaysia, 1998 Sep;53(3):217-22.
    PMID: 10968156
    A prospective observational study was carried out at the Emergency Department, Hospital Kuala Lumpur to determine the proportion of accidental head injury among children and the circumstances of injury. The study was carried out from November 1993 to January 1994 on all children below 14 years who presented to the Emergency Department with accidental head injury. Accidental head injury made up (4.75%) of all cases seen at the Casualty Department. The ratio of boys to girls was 2:1. The mean age of head injured children was 5.2 (S.D. 3.63) years. The leading cause of head injury was fall (63%) followed by road traffic accidents (RTA) in (30.7%) while the rest were due to 'impact' (injury caused by flying object or missiles) injuries. More than half (54.4%) of those injured in RTA were pedestrians. Pedestrian injury was particularly important in the 5-< 14 years age group, where adult supervision was lacking in two thirds of the children. None of the patients who were involved in vehicle-related injuries had used a suitable protective or restraining device. All three patients who died were from this group. This study emphasises the need for stricter enforcement of laws related to the use of protective devices and measures to decrease child pedestrian injury. The issues of lack of adult supervision, both in and outside the home need to be addressed.
  7. Ong LC, Chandran V, Boo NY
    Acta Paediatr, 2001 Dec;90(12):1464-9.
    PMID: 11853347 DOI: 10.1080/08035250152708905
    A study was carried out to compare parenting stress between 116 mothers of very low birthweight (VLBW) children and 96 mothers of normal birthweight (NBW) children at 4 y of age, using the Parenting Stress Index (PSI). Multiple regression analysis was used to determine factors associated with child-domain stress (CDS) and parent-domain stress (PDS). There was a significantly higher proportion (39.7%) of mothers of VLBW children with high CDS scores >90th percentile than mothers of NBW children (20.8%). No significant differences were observed for PDS scores. Lower intelligence quotient (IQ) scores and adverse child behaviour, as evidenced by higher Child Behavior Checklist (CBCL) scores, were significantly associated with higher CDS scores (p < 0.001). Factors associated with higher PDS scores were higher CBCL scores (p < 0.001), mothers who were the primary caregivers (p < 0.001), male sex (p = 0.018) and lower level of maternal education (p = 0.048). These factors remained statistically significant even when physically and cognitively impaired children were excluded from the analysis.

    CONCLUSION: Specific child characteristics and the social environment appear to have a greater impact on parenting stress than the biological risk of VLBW birth per se.
  8. Ong LC, Boo NY, Chandran V
    J Paediatr Child Health, 2001 Aug;37(4):363-8.
    PMID: 11532056 DOI: 10.1046/j.1440-1754.2001.00694.x
    OBJECTIVE: To determine neonatal, early developmental and social risk factors that predict the neurocognitive and behavioural outcome of very low birthweight (VLBW) preschool children at four years of age.

    METHODOLOGY: From a cohort of 151 eligible VLBW survivors born in Kuala Lumpur Maternity Hospital, 116 (76.8%) were prospectively followed up from birth till four years. A standardised neurological examination was performed at one and four years to determine the presence of impairment and cerebral palsy, respectively. Cognitive development was assessed using the Mental Scale of the Bayley Scales of Infant Development (MDI) at one year and the Weschler Preschool and Primary Scale of Intelligence-Revised (WIPPSI-R) at four years. Motor coordination was assessed using the Movement Assessment Battery for Children (Movement-ABC). Mothers completed the Child Behaviour Checklist (CBCL) and Parenting Stress Index (PSI) questionnaires. Logistic and multiple regression analyses were used to determine factors associated with cerebral palsy, IQ scores, Movement-ABC and CBCL scores.

    RESULTS: Factors associated with cerebral palsy were lower MDI scores at one year (P = 0.001) and late neonatal cranial ultrasound abnormalities (P = 0.036). Minor (P = 0.016) or major impairment (P = 0.003) at one year of age and a low level of paternal education (P = 0.01) were associated with poor motor function on the Movement-ABC scale. Lower levels of maternal education (P < 0.001), impairment at one year (P = 0.002) and late neonatal cranial ultrasound abnormalities (P = 0.039) predicted Full Scale IQ scores. Higher PSI scores (P = 0.001), younger mothers (P = 0.003) and late neonatal cranial ultrasound abnormalities (P = 0.009) were associated with worsened child behaviour scores on the CBCL scale.

    CONCLUSION: Social factors and the caregiving environment were important determinants of cognitive and behavioural outcome. Cranial ultrasound abnormalities in the late neonatal period and the developmental status at one year might be useful in identifying high risk infants in need of long-term surveillance.
  9. Ong LC, Tang SF, Lal TR
    Med J Malaysia, 1994 Jun;49(2):176-8.
    PMID: 8090100
    A 10-year-old girl presented with progressive dystonia with diurnal fluctuation. Response to low dose L-Dopa was dramatic and sustained with no complications. Recurrence of symptoms was observed on attempted withdrawal. Because of the dramatic response to therapy, dopa-responsive dystonia must be considered in the differential diagnosis of disorders presenting as gait disorders in childhood.
  10. Ong LC, Afifah I, Sofiah A, Lye MS
    Ann Trop Paediatr, 1998 Dec;18(4):301-7.
    PMID: 9924586 DOI: 10.1080/02724936.1998.11747964
    A hospital study was carried out to compare parenting stress among 87 Malaysian mothers of children with cerebral palsy and a control group (comprising 87 mothers of children without disability who attended the walk-in paediatric clinic), using the Parenting Stress Index (PSI) questionnaire. Multiple regression analysis was used to determine socio-demographic and medical factors associated with child-domain stress (CDS) and parent-domain stress (PDS). Mothers of children with cerebral palsy scored significantly higher than control subjects on all sub-scales of CDS and PDS (p < 0.01), except for the sub-scale of 'role restriction'. The presence of cerebral palsy (p < 0.001) and activities of daily living (ADL) scores (p < 0.001) were significantly associated with CDS. Factors predictive of PDS were ADL scores (p < 0.001), number of hospitalizations over the past year (p = 0.024), level of maternal education (p = 0.018) and Chinese mothers (p < 0.001). Although this study demonstrated that Malaysian mothers of children with cerebral palsy experienced higher levels of stress than controls, the impact of cerebral palsy per se on parenting stress was modified by other factors such as increased care-giving demands, low maternal education and ethnic background. Habilitation should be directed at easing the burden of daily care, minimizing hospital re-admissions and targeting appropriate psychosocial support at specific subgroups to change parental perception and expectations.
    Study site: neurology clinics or physiotherapy department or inpatients, Paediatric Institute, Kuala Lumpur, Malaysia
  11. Ong LC, Chandran V, Zasmani S, Lye MS
    J Paediatr Child Health, 1998 Aug;34(4):363-8.
    PMID: 9727180
    OBJECTIVES: To compare the neurobehavioural outcome of children aged 6-12 years with severe closed head injury [sCHI] (coma > 24 h), mild-to-moderate head injury [mCHI] (coma < 6 h) and orthopaedic controls.

    METHODS: Twenty-nine children in each group, matched for age, sex and ethnicity, were assessed using the Glasgow outcome Scale (GOS), Weschler Intelligence Scale for Children (WISC-III), Movement Assessment Battery for Children (Movement ABC), Wide Range Assessment of Learning and Memory (WRAML) and a standardised neurological examination 6 months post-injury. Parental reporting of pre- and post-injury behaviour was documented using the Child Behaviour Checklist (CBCL).

    RESULTS: Seven (24.1%) children with sCHI and three (10.3%) orthopaedic controls had residual motor deficits. Three (10.3%) children with sCHI and none in the other groups faced problems with independent ambulation. Twenty-seven (93.1%) of those with sCHI and all children in the other groups had GOS scores of good recovery or moderate disability. Twenty-two (81.5%) sCHI, five (18.5%) mCHI and one (3.7%) orthopaedic control reported a deterioration in school performance. MANOVAS identified a significant injury group effect for performance skills (P = 0.007), verbal skills (P = 0.002), memory and learning (P = 0.001) and motor skills (P = 0.001). Repeated measures ANOVA for pre- and post-injury CBCL scores showed significant differences related to somatic complaints (P = 0.004), problems of socialising (P = 0.003), delinquency (P = 0.004), aggressiveness (P = 0.010), thought (P < 0.001) and attention (P < 0.001). Post-hoc univariate analysis showed the significant differences were between that of the sCHI children and the other two groups.

    CONCLUSION: Although most sCHI children seemed to have made good physical recovery, there were cognitive, motor, memory and learning difficulties and behavioural problems concomitant with a deterioration in school performance compared with those with lesser or no head injury. This highlights the need for better integrated rehabilitation services to enable a gradual return into mainstream school.

  12. Tay CG, Fong CY, Ong LC
    J Child Neurol, 2014 Dec;29(12):NP193-5.
    PMID: 24309239 DOI: 10.1177/0883073813510741
    Parkinsonism caused by infection is uncommon in children. We report 2 previously healthy children with acute self-limiting parkinsonism following Mycoplasma pneumoniae infection, with normal brain magnetic resonance imaging (MRI). Our case report expands the phenotype of parkinsonism associated with M. pneumoniae infection. We recommend that children with acute parkinsonism preceded by a period of febrile illness, even with a normal brain MRI, should be investigated for M. pneumoniae infection.
  13. Ong LC, Lim YN, Sofiah A
    Singapore Med J, 2002 Jan;43(1):12-7.
    PMID: 12008770
    To determine the relationship between spinal lesion level and functional outcome in children with spina bifida.
  14. Boo NY, Lye MS, Ong LC
    Singapore Med J, 1994 Apr;35(2):163-6.
    PMID: 7939812
    A cross-sectional study was carried out on 8,478 consecutive normal singleton Malaysian neonates born in the Maternity Hospital, Kuala Lumpur. The objectives were to compare the mean birth-weights, crown-heel lengths and head circumferences of Malay, Chinese and Indian infants at gestation age from 28 to 42 weeks, and to construct the Malaysian growth charts. Above the gestation age of 34 weeks, the birthweights were significantly influenced by maternal gravida status (p < 0.03), ethnic origin (p < 0.001) and/or sex of the neonates (p < 0.026). Above this gestation age, neonates of multigravida mothers were significantly heavier than those of primigravida mothers; Indians were significantly lighter than Malays and Chinese; and males were significantly heavier than females. The head circumferences and body lengths of neonates were significantly influenced by ethnic origin, sex and/or maternal gravida status at gestation above 35 and 36 weeks respectively (p < 0.05). It was most likely due to the small sample size which explained our inability to detect statistically significant difference in all measurements (birthweight, length and head circumference) by sex, ethnicity and maternal gravida status at gestation below 35 weeks. Based on the measurements obtained in this study, percentile charts for the Malaysian population were constructed and made available for the first time. These charts will be useful for the assessment of Malaysian neonates during the perinatal period.
  15. Atmawidjaja RW, Wong SW, Yang WW, Ong LC
    Dev Med Child Neurol, 2014 Jul;56(7):681-5.
    PMID: 24528212 DOI: 10.1111/dmcn.12399
    The aim of the study was to compare the frequency and type of sleep disturbances in a group of Malaysian children aged 4 to 18 years with cerebral palsy (CP) with their nearest-age, able-bodied siblings and to identify factors associated with sleep disturbances.
  16. Wong SW, Kyaw L, Ong LC, Zulfiqar AM
    J Paediatr Child Health, 2011 Apr;47(4):237-9.
    PMID: 20500432 DOI: 10.1111/j.1440-1754.2010.01739.x
    Sturge-Weber syndrome is a neurocutaneous syndrome characterised by facial port wine stain, ipsilateral leptomeningeal angioma and vascular eye abnormalities. We report a rare case of Sturge-Weber syndrome without facial nevus presenting with neonatal seizures.
  17. Rohana J, Boo NY, Yong SC, Ong LC
    Med J Malaysia, 2005 Aug;60(3):338-44.
    PMID: 16379189 MyJurnal
    A quality assurance study was carried out prospectively in two phases at the Neonatal Intensive Care Unit (NICU) of Hospital Universiti Kebangsaan Malaysia. The objectives of the study were to determine the turn-around-time (TAT) of radiographs requested for infants undergoing intensive care treatment in the NICU and the effects of a standard operating procedure introduced based on initial findings of first phase of the study on subsequent TAT. The TAT was defined as the time taken for the radiograph to be ready for viewing after the attending doctor had requested for it to be done on an infant. During phase one of the study, none of the requested radiographs was ready to be viewed by the doctors within the standard TAT of 45 minutes. The problems identified were ward staffs delay in sending request forms to the radiology department, radiographers' delay in shooting and processing the films, and delay by NICU porter in collecting the processed films. Based on these findings, a standard operating procedure (SOP) was drawn up jointly by the staff of NICU and Department of Radiology. During phase two of the study conducted at one month after implementation of the SOP, there was a reduction of TAT by 50%. However, only 3 (4.3%) of the radiographs achieved the standard TAT. The main problems identified during phase two were delay in sending request forms and in collecting processed radiographs by the porter system. The dismal TAT of radiographs in NICU was related primarily to human behaviour. Besides continuous staff education, replacement of the porter system with electronic system may improve the TAT.
    Keywords: Turn-around time, radiographs, neonatal intensive care unit, standard operating procedure, Kuala Lumpur
  18. Jayanath S, Ong LC, Marret MJ, Fauzi AA
    Dev Med Child Neurol, 2016 Apr;58(4):395-401.
    PMID: 26510627 DOI: 10.1111/dmcn.12943
    This cross-sectional study aimed to determine the prevalence, frequency, and intensity of parent-reported pain among non-verbal children with cerebral palsy (CP) and explore associations with medical, demographic, and parental psychosocial factors.
  19. Jamal R, Hoe TS, Ong LC, Afifah I, Khuzaiah R, Doraisamy G
    Malays J Pathol, 1998 Jun;20(1):35-40.
    PMID: 10879262
    Platelet transfusions are indicated in a wide variety of clinical conditions especially those with thrombocytopenia. However, without proper clinical practice guidelines, inappropriate transfusions are bound to happen. To ascertain the provision of a quality and appropriate practice of platelet transfusions, an audit study was carried out over a period of one month at the Paediatric Institute, Kuala Lumpur Hospital. A prospective audit was performed during that period whilst a retrospective collection of data was carried out for the previous month for comparison. Based on a set of criteria agreed upon by the audit committee, it was found that in 18.5% (22 of 119) of the cases, the indications for platelet transfusions were inappropriate. The audit committee concluded that there is a need for a more detailed clinical practice guideline for local use to reduce or lower the incidence of inappropriate transfusions of platelets.
  20. Zainah SH, Ong LC, Sofiah A, Poh BK, Hussain IH
    J Paediatr Child Health, 2001 Aug;37(4):376-81.
    PMID: 11532058
    OBJECTIVE: To compare the linear growth and nutritional parameters of a group of Malaysian children with cerebral palsy (CP) against a group of controls, and to determine the nutritional, medical and sociodemographic factors associated with poor growth in children with CP.

    METHODOLOGY: The linear growth of 101 children with CP and of their healthy controls matched for age, sex and ethnicity was measured using upper-arm length (UAL). Nutritional parameters of weight, triceps skin-fold thickness and mid-arm circumference were also measured. Total caloric intake was assessed using a 24-h recall of a 3-day food intake and calculated as a percentage of the Recommended Daily Allowance. Multiple regression analysis was used to determine nutritional, medical and sociodemographic factors associated with poor growth (using z-scores of UAL) in children with CP.

    RESULTS: Compared with the controls, children with CP had significantly lower mean UAL measurements (difference between means -1.1, 95% confidence interval -1.65 to - 0.59), weight (difference between means -6.0, 95% CI -7.66 to -4.34), mid-arm circumference (difference between means -1.3, 95% CI -2.06 to -0.56) and triceps skin-fold thickness (difference between means -2.5, 95% CI -3.5 to -1.43). Factors associated with low z-scores of UAL were a lower percentage of median weight (P < 0.001), tube feeding (P < 0.001) and increasing age (P < 0.001).

    CONCLUSION: A large proportion of Malaysian children with CP have poor nutritional status and linear growth. Nutritional assessment and management at an early age might help this group of children achieve adequate growth.

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