Displaying publications 281 - 300 of 336 in total

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  1. A case of congenital malaria in Malaysia with IgM malaria antibodies
    Thomas V, Chit CW
    Trans R Soc Trop Med Hyg, 1980;74(1):73-6.
    PMID: 7001686
    Congenital malaria from Malaysia is reported here for the first time. It occurred in a baby boy born to a 16-year-old primigravida who contracted Plasmodium falciparum infection during pregnancy. She suffered malaria during the later stages of pregnancy and at parturition. The placenta was heavily infested with various asexual stages of P. falciparum. Gametocytes were not seen. Extensive search did not show other species. Cord blood showed very light infection with young trophozoites of P. falciparum. Serological studies using IFA technique showed specific IgG and IgM antibodies to P. falciparum in maternal cord and two early neonatal sera. These serum samples showed lower levels of IgG antibodies against P. vivax and P. malariae, but there were no specific IgM antibodies against these species. The value of specific IgM antibody in the diagnosis of congenital malaria is discussed.
    Matched MeSH terms: Malaria/congenital*
  2. A review of radiation hazards with special reference to diagnostic radiology
    Ang AH
    Med J Malaysia, 1973 Dec;28(2):75-9.
    PMID: 4276302
    Matched MeSH terms: Congenital Abnormalities/etiology
  3. 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: Heart Defects, Congenital/epidemiology
  4. THE VALUE AND MANAGEMENT OF PERSISTENT KAHN POSITIVE IN TREATED SYPHILIS
    SAMBHI JS
    Med J Malaysia, 1963 Sep;18:19-24.
    PMID: 14064291
    Matched MeSH terms: Syphilis, Congenital*
  5. Congenital nasal cavity stenosis in children with craniosyntosis: A report of 4 rare cases
    Liew YT, Soo SS, Nathan AM, Manuel AM
    Auris Nasus Larynx, 2017 Oct;44(5):635-638.
    PMID: 27793496 DOI: 10.1016/j.anl.2016.10.001
    Congenital bony nasal stenosis (CBNS) is a very rare but life-threatening cause of airway obstruction in neonates and infants. This review aims to assess the presentation and early airway management of 4 new cases of craniosynostosis with bilateral nasal cavity stenosis. Patients were treated with endoscopic endonasal widening of the nasal cavity and stenting. All patients were extubated well post-operatively with resolution of symptoms. They remained asymptomatic with stents in situ for at least 6 months with no complications reported. Minimally invasive endoscopic endonasal widening of the nasal cavity with stenting is an effective and safe way of addressing nasal cavity stenosis.
    Matched MeSH terms: Nasal Obstruction/congenital*
  6. Pulmonary atresia with intact septum: the use of Conquest Pro coronary guidewire for perforation of atretic valve and subsequent interventions
    Alwi M, Budi RR, Mood MC, Leong MC, Samion H
    Cardiol Young, 2013 Apr;23(2):197-202.
    PMID: 22640635 DOI: 10.1017/S1047951112000595
    Objective: To determine the feasibility and safety of the Conquest Pro wire as an alternative to radiofrequency wire for perforation of atretic pulmonary valve and subsequent balloon dilatation and patent ductus arteriosus stenting in patients with pulmonary atresia with intact ventricular septum.
    Background: Radiofrequency valvotomy and balloon dilatation has become the standard of care for pulmonary atresia with intact ventricular septum in many institutions today.
    Methods: We report eight consecutive patients in whom we used the Conquest Pro coronary guidewire, a stiff wire normally reserved for revascularisation of coronary lesions with chronic total occlusion, for perforation of atretic pulmonary valve and subsequent balloon dilatation, and stenting of the patent ductus arteriosus.
    Results: Perforation of atretic pulmonary valve was successful in seven out of eight cases. Radiofrequency valvotomy was employed after failure of perforation by the Conquest Pro wire in one case where the right ventricular outflow tract was broad based and tapered towards the pulmonary valve, and was heavily trabeculated. Failure of the Conquest Pro wire to perforate the pulmonary valve plate was mainly attributed by the failure to engage the wire at the correct position.
    Conclusion: The Conquest Pro wire for perforation and subsequent interventions in the more straightforward cases of pulmonary atresia with intact ventricular septum is effective and safe, simplifying the entire procedure. However, the radiofrequency generator and wires remain essential tools in the paediatric interventional catheter laboratory.
    Matched MeSH terms: Heart Defects, Congenital/surgery*
  7. Congenital cyanotic heart disease with situs inversus totalis: an autopsy case report
    Dayapala A, Kumar V
    Am J Forensic Med Pathol, 2009 Jun;30(2):171-4.
    PMID: 19465810 DOI: 10.1097/PAF.0b013e3181875a79
    Sudden deaths because of congenital heart diseases are infrequently referred to the forensic pathologist for autopsy. Many of such deaths, if already diagnosed are released directly from the hospital without autopsy. Even forensic pathologists face a few difficulties in performing the autopsy on such infrequent cases, as they are not always updated with the anatomy of anomalies. While dealing with such cases, the concerned forensic pathologist is compelled to refer literature and textbooks again to understand the nature of developmental defects. This is especially so when dealing with cases of situs inversus accompanied by transposition of great arteries and other congenital cardiac abnormalities and variants such as single ventricle, double outlet right ventricle, Taussig-Bing variety etc. In the present case also, situs inversus with transposition of great vessels and other anomalies have been noted and studied.
    Matched MeSH terms: Heart Defects, Congenital/pathology*
  8. Fulltext Ocular findings in Malaysian children with Down syndrome
    Liza-Sharmini AT, Azlan ZN, Zilfalil BA
    Singapore Med J, 2006 Jan;47(1):14-9.
    PMID: 16397715
    Down syndrome was first described as Mongoloid children with European parentage. Although their facial features resemble Orientals or Asians, ocular findings have not been well-documented in Asians, especially Malaysians. Our aim was to identify the ocular findings of Malaysian children with Down syndrome.
    Matched MeSH terms: Nystagmus, Congenital/ethnology
  9. Fulltext Newborn hearing screening: experience in a Malaysian hospital
    Abdullah A, Hazim MY, Almyzan A, Jamilah AG, Roslin S, Ann MT, et al.
    Singapore Med J, 2006 Jan;47(1):60-4.
    PMID: 16397723
    This study aims to determine the prevalence of hearing loss among newborns delivered at Hospital Universiti Kebangsaan Malaysia and to evaluate the usefulness of our hearing screening protocol.
    Matched MeSH terms: Hearing Loss/congenital
  10. Fulltext Twin reverse arterial perfusion sequence
    Nik Lah NA, Che Yaakob CA, Othman MS, Nik Mahmood NM
    Singapore Med J, 2007 Dec;48(12):e335-7.
    PMID: 18043831
    Twin reverse arterial perfusion sequence occurs in approximately one percent of monochorionic twins. This condition is always fatal for the recipient twin and carries a high mortality rate for the pump twin. Various treatment options are described, but management is continually evolving with the publication of new data. We report an acardiac acephalic monochorionic twin who was diagnosed at 31 weeks gestation. Serial ultrasonographical examinations of the normal pump twin showed intrauterine growth restriction but with no evidence of heart failure. A healthy pump twin was delivered by caesarean section at 34 weeks.
    Matched MeSH terms: Heart Defects, Congenital/ultrasonography*
  11. Eikenella corrodens from a brain abscess
    Karunakaran R, Marret MJ, Hassan H, Puthucheary SD
    Malays J Pathol, 2004 Jun;26(1):49-52.
    PMID: 16190107
    A 2-year-old boy with underlying congenital cyanotic heart disease presented with seizures and fever and was found to have bilateral parietal cerebral abscesses. Drainage of the pus from the abscesses was done in stages; on the day of admission, four days after admission and 3 weeks after admission. Although the pus from the first drainage did not grow any organisms, the pus from the second drainage on the fourth day of admission yielded a mixed growth of Eikenella corrodens and Streptococcus milleri. Following the second drainage of pus, the child was noted to have mild weakness (grade 3/5) and increased tone in the left upper limb. Three weeks after admission, due to recurring fever, further neurological signs and findings of an enlarging right cerebral abscess on a repeat CT scan, a third drainage was carried out. However no growth was obtained from this specimen. This patient was managed both surgically and with appropriate antibiotics. Over the next four months, serial CT scans revealed gradual resolution of the abscesses with disappearance of the surrounding oedema. The child showed gradual recovery of his left sided weakness with resolution of tone and reflexes to normal.
    Matched MeSH terms: Heart Defects, Congenital/complications
  12. Kostmann's syndrome
    Joazlina ZY, Wastie ML, Kamarulzaman A
    Clin Imaging, 2005 Sep-Oct;29(5):364-6.
    PMID: 16153548
    Kostmann's syndrome is a rare congenital disorder of neutrophil production due to impairment of myeloid differentiation in the bone marrow, with the neutrophil count being characteristically less than 500 x 10(3) cells/l (normal: 2-7 x 10(9)/l). Severe persistent neutropenia results in an increased susceptibility to frequent bacterial infections. The condition can be treated with recombinant human granulocyte colony-stimulating factor (G-CSF). Although several articles have addressed the clinicopathological and haematological aspects of this disorder, little or no information has been available concerning the radiological findings in this disorder. This report summarizes the clinical features, radiological findings and management of a patient with Kostmann's syndrome.
    Matched MeSH terms: Neutropenia/congenital
  13. Recombinant proteins in the diagnosis of toxoplasmosis
    Kotresha D, Noordin R
    APMIS, 2010 Aug;118(8):529-42.
    PMID: 20666734 DOI: 10.1111/j.1600-0463.2010.02629.x
    Toxoplasma gondii is an important human pathogen with a worldwide distribution. It is primarily of medical importance for pregnant women and immunocompromised patients. Primary infection of the former is often associated with fetal infection, which can lead to abortion or severe neonatal malformation. Immunocompromised patients are at risk of contracting the severe form of the disease that may be fatal. Thus, detection of T. gondii infection with high sensitivity and specificity is crucial in the management of the disease. Toxoplasmosis is generally diagnosed by demonstrating specific immunoglobulin M (IgM) and IgG antibodies to toxoplasma antigens in the patient's serum sample. Most of the commercially available tests use T. gondii native antigens and display wide variations in test accuracy. Recombinant antigens have great potential as diagnostic reagents for use in assays to detect toxoplasmosis. Thus in this review, we address recent advances in the use of Toxoplasma recombinant proteins for serodiagnosis of toxoplasmosis.
    Matched MeSH terms: Toxoplasmosis, Congenital/diagnosis
  14. Fulltext Hemolytic anemia and distal renal tubular acidosis in two Indian patients homozygous for SLC4A1/AE1 mutation A858D
    Shmukler BE, Kedar PS, Warang P, Desai M, Madkaikar M, Ghosh K, et al.
    Am J Hematol, 2010 Oct;85(10):824-8.
    PMID: 20799361 DOI: 10.1002/ajh.21836
    Familial distal renal tubular acidosis (dRTA) can be caused by mutations in the Cl2/HCO32 exchanger of the renal Type A intercalated cell, kidney AE1/SLC4A1. dRTA-associated AE1 mutations have been reported in families from North America, Europe, Thailand, Malaysia, Papua-New Guinea, Taiwan, and the Philippines, but not India. The dRTA mutation AE1 A858D has been detected only in the context of compound heterozygosity. We report here two unrelated Indian patients with combined hemolytic anemia and dRTA who share homozygous A858D mutations of the AE1/SLC4A1 gene. The mutation creates a novel restriction site that is validated for diagnostic screening.
    Matched MeSH terms: Anemia, Hemolytic, Congenital/complications; Anemia, Hemolytic, Congenital/genetics*
  15. Isolation of Neospora caninum from a calf in Malaysia
    Cheah TS, Mattsson JG, Zaini M, Sani RA, Jakubek EB, Uggla A, et al.
    Vet Parasitol, 2004 Dec 15;126(3):263-9.
    PMID: 15567590
    In order to attempt isolate the protozoan parasite Neospora caninum, an N. caninum seropositive pregnant Sahiwal Friesian cross heifer from a large-scale dairy farm in Malaysia was kept for observation until parturition at the Veterinary Research Institute, Ipoh. The heifer gave birth to a female calf that was weak, underweight and unable to rise. Precolostral serum from the calf had an N. caninum indirect fluorescent antibody test titre of 1:3200. It died 12 h after birth and necropsy was performed. Brain homogenate from the calf was inoculated into 10 BALB/c mice that were kept for 3 months after which brain tissue from the mice was inoculated onto 24 h fresh monolayer Vero cell lines. The cell cultures were examined daily until growth of intracellular protozoa was observed. DNA of the organisms from the cell cultures was analyzed by PCR and DNA sequencing. DNA fragments of the expected size were amplified from the isolate using N. caninum-specific primers, and sequence analysis of ITS1 clearly identified the isolate as N. caninum. This is the first successful isolation of N. caninum from a bovine in Malaysia, and the isolate is designated Nc-MalB1.
    Matched MeSH terms: Cattle Diseases/congenital; Coccidiosis/congenital
  16. Anesthetic management of thoracoscopic resection of lung lesions in small children
    Mohtar S, Hui TWC, Irwin MG
    Paediatr Anaesth, 2018 11;28(11):1035-1042.
    PMID: 30281181 DOI: 10.1111/pan.13502
    BACKGROUND: Video-assisted thoracoscopic surgery has dramatically increased over the last decade because of both medical and cosmetic benefits. Anesthesia for video-assisted thoracoscopic surgery in small children is more challenging compared to adults due to the considerable problems posed by small airway dimensions and ventilation. The optimal technique for one-lung ventilation has yet to be established and the use of remifentanil infusion in this setting is not well described.

    AIMS: This study investigated the use of extraluminal bronchial blocker placement for one-lung ventilation and the effect of infusion of remifentanil in infants and small children undergoing video-assisted thoracoscopic surgery.

    METHODS: We retrospectively reviewed the technique of one-lung ventilation and the hemodynamic effects of remifentanil infusion in 31 small children during elective video-assisted thoracoscopic surgery for congenital lung lesions under anesthesia with sevoflurane or isoflurane, oxygen, and air. Patients' heart rate, blood pressure, and endtidal carbon dioxide at baseline (after induction of anesthesia), immediately after one-lung ventilation, during carbon dioxide insufflation, and at the end of one-lung ventilation were extracted from the database and analyzed. The use of vasopressors or dexmedetomidine was also recorded and analyzed.

    RESULTS: Extraluminal placement of a bronchial blocker alongside the tracheal tube was successfully performed in 90.3% of cases (28 patients) without any serious complications or arterial oxygen desaturation. There was no significant rise in blood pressure or heart rate even with the rise of endtidal carbon dioxide concentration during video-assisted thoracoscopic surgery. In 58% of patients (18 patients), phenylephrine was administered to maintain the blood pressure within 20% of the baseline value. There was no significant change in the heart rate of all patients at each time point.

    CONCLUSION: One-lung ventilation with an extraluminal parallel blocker was used effectively in this series of young children undergoing thoracoscopic excision of congenital pulmonary lesions. Remifentanil infusion attenuated surgical stress effectively in infants and small children undergoing video-assisted thoracoscopic surgery.

    Matched MeSH terms: Cystic Adenomatoid Malformation of Lung, Congenital/surgery
  17. Fulltext A Missed Late Presentation of a Congenital Pulmonary Airway Malformation as a Large Infected Bulla
    Lee CY, Osman SS, Noor HM, Isa NSA
    Sultan Qaboos Univ Med J, 2018 Nov;18(4):e541-e544.
    PMID: 30988978 DOI: 10.18295/squmj.2018.18.04.020
    A congenital pulmonary airway malformation (CPAM) is a rare cystic anomaly that may occur during development of the fetal airways. The vast majority of CPAMs are detected in neonates; as such, it is unusual for diagnosis to occur in adulthood. We report a 21-year-old male patient who presented to the emergency department of the Hospital Ampang, Kuala Lumpur, Malaysia, in 2015 with chest pain, breathlessness and tachypnoea. Based on an initial chest X-ray, the patient was misdiagnosed with pneumothorax and underwent urgent chest tube insertion; however, his condition deteriorated over the course of the next three days. Further imaging was suggestive of infected bullae or an undiagnosed CPAM. The patient therefore underwent video-assisted thoracoscopic surgery, during which a large infected bulla was resected. A diagnosis of an infected CPAM was confirmed by histopathological examination. Following the surgery, the patient recovered quickly and no bullae remnants were found at a one-month follow-up.
    Matched MeSH terms: Cystic Adenomatoid Malformation of Lung, Congenital/complications*
  18. Fulltext Use and Outcomes of Antiretroviral Monotherapy and Treatment Interruption in Adolescents With Perinatal HIV Infection in Asia
    Bartlett AW, Lumbiganon P, Kurniati N, Sudjaritruk T, Mohamed TJ, Hansudewechakul R, et al.
    J Adolesc Health, 2019 11;65(5):651-659.
    PMID: 31395514 DOI: 10.1016/j.jadohealth.2019.05.025
    PURPOSE: Antiretroviral monotherapy and treatment interruption are potential strategies for perinatally HIV-infected adolescents (PHIVA) who face challenges maintaining effective combination antiretroviral therapy (ART). We assessed the use and outcomes for adolescents receiving monotherapy or undergoing treatment interruption in a regional Asian cohort.

    METHODS: Regional Asian data (2001-2016) were analyzed to describe PHIVA who experienced ≥2 weeks of lamivudine or emtricitabine monotherapy or treatment interruption and trends in CD4 count and HIV viral load during and after episodes. Survival analyses were used for World Health Organization (WHO) stage III/IV clinical and immunologic event-free survival during monotherapy or treatment interruption, and a Poisson regression to determine factors associated with monotherapy or treatment interruption.

    RESULTS: Of 3,448 PHIVA, 84 (2.4%) experienced 94 monotherapy episodes, and 147 (4.3%) experienced 174 treatment interruptions. Monotherapy was associated with older age, HIV RNA >400 copies/mL, younger age at ART initiation, and exposure to ≥2 combination ART regimens. Treatment interruption was associated with CD4 count <350 cells/μL, HIV RNA ≥1,000 copies/mL, ART adverse event, and commencing ART age ≥10 years compared with age <3 years. WHO clinical stage III/IV 1-year event-free survival was 96% and 85% for monotherapy and treatment interruption cohorts, respectively. WHO immunologic stage III/IV 1-year event-free survival was 52% for both cohorts. Those who experienced monotherapy or treatment interruption for more than 6 months had worse immunologic and virologic outcomes.

    CONCLUSIONS: Until challenges of treatment adherence, engagement in care, and combination ART durability/tolerability are met, monotherapy and treatment interruption will lead to poor long-term outcomes.

    Matched MeSH terms: HIV Infections/congenital
  19. Measurement of androstenedione levels by an in-house radioimmunoassay
    Lo MS, Ng ML, Wu LL, Khalid BA
    Malays J Pathol, 1996 Jun;18(1):53-8.
    PMID: 10879225
    An in-house radioimmunoassay (RIA) for the measurement of androstenedione levels in serum was established and validated. Levels of androstenedione were measured by RIA using serum samples from various normal population groups and patients with congenital adrenal hyperplasia (CAH). Analytical recovery and linearity results were > 95%, while intra- and inter-assay CVs were < 10% and < 22% respectively. The assay sensitivity was 0.5 nmol/l or 25 fmol/tube. In normal population groups, the highest androstenedione levels were found in preterm neonates (1.6-12.4 nmol/l), followed by adult females (1.5-10.2 nmol/l), adult males (1.6-8.0 nmol/l) and term neonates (0.8-8.8 nmol/l), while the lowest values were observed in prepubertal children (0.5-3.4 nmol/l). There were no significant differences in diurnal variation and between follicular and luteal phases. The range of androstenedione levels in untreated or poorly controlled CAH patients (7.6-355.0 nmol/l, median 42.5 nmol/l, n = 20) were significantly higher (p < 0.001) than the upper normal limit of 3.4 nmol/L for prepubertal children. The normal androstenedione reference ranges for paediatric and adult groups have thus been established.
    Matched MeSH terms: Adrenal Hyperplasia, Congenital/blood*
  20. Microbiology of cerebral abscess: a four-year study in Malaysia
    Pit S, Jamal F, Cheah FK
    J Trop Med Hyg, 1993 Jun;96(3):191-6.
    PMID: 8505776
    A prospective study was carried out to determine the aetiology of cerebral abscess in relation to the primary source of infections. Seventy-five patients with cerebral abscess were included in the study in the period January 1985 to December 1988. More than half of the patients studied had single lesions and the overall most common sites were in the frontal and parietal regions. Chronic suppurative otitis media, cyanotic congenital heart diseases and meningitis were among the important predisposing conditions in these patients. Approximately 25% of the patients with cerebral abscesses had no documented antecedent infections. Pure cultures were found to be predominant (66.7%) and sterile cultures were obtained from 10 (13.3%) patients. Streptococci were isolated from 23 (30.7%) patients, the commonest species being Streptococcus milleri. Proteus sp, Pseudomonas aeruginosa, Pseudomonas putrifaciens and Bacteroides sp were almost exclusively found in cerebral abscesses secondary to chronic suppurative otitis media; these organisms were found in mixed cultures. Streptococcus milleri, Bacteroides sp and Eikenella corrodens were found in pure cultures in patients with cyanotic congenital heart disease. In patients with ventriculoperitoneal shunts in-situ, Staphylococcus aureus, Staphylococcus epidermidis and diphtheroids were common. Anaerobes were found in 15 (20.0%) patients, the majority in mixed cultures. Culture, as well as gas-liquid chromatographic analysis of volatile fatty acids of cerebral pus, was carried out to enhance the detection of the anaerobes. Based on these findings, an antibiotic regimen consisting of penicillin, chloramphenicol and metronidazole is recommended as an initial therapy while awaiting culture and sensitivity results.
    Matched MeSH terms: Heart Defects, Congenital/complications
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