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Fulltext Baby walker associated scalding injuries seen at University Hospital Kuala Lumpur

Sendut IH, Tan KK, Rivara F

Med J Malaysia, 1995 Jun;50(2):192-3.
PMID: 7565196

Baby walker associated injuries are occurring in Malaysia. Most are not noticed as paediatricians are more concerned with the treatment of the injury and forget the preventive measures required to overcome this problem. We believe that baby walkers should be banned in Malaysia as the risks of injury far outweighs any benefits. We present 4 cases of baby walker associated scalding injuries.
Fulltext Defining p47-phox deficient Chronic Granulomatous Disease in a Malay family

Gill HK, Kumar HC, Dhaliwal JS, Zabidi F, Sendut IH, Noah RM, et al.

Asian Pac J Allergy Immunol, 2012 Dec;30(4):313-20.
PMID: 23393912

BACKGROUND: The most common autosomal form of Chronic Granulomatous Disease, p47-phox deficient CGD, generally features a GT (deltaGT) deletion in the GTGT sequence at the start of exon 2 on the NCF-1 gene. This consistency is due to the coexistence of and the recombination between 2 homologous pseudogenes (psi s) and NCF-1. The GTGT: deltaGT ratio mirrors the NCF-I: NCF-1 psi ratio and is 2:4 in normal individuals.
OBJECTIVE: To determine the molecular basis of the Autosomal-CGD in a family with 2 children, a male and female, affected by the disease. The female patient suffered recurrent infection, retinitis pigmentosa and discoid lupus.
METHODS: Chemiluminescence (CL) was used to study the respiratory burst, while genetic analysis was done by RT-PCR, PCR, deltaGT and the 20bp gene scans.
RESULTS: The CL response of the patient was profoundly low. The patient's p47-phox band was absent in the RT-PCR for NADPH-oxidase component mRNAs. The deltaGT scan showed that the patient's GTGT: deltaGT ratio was 0:6, the parents' and the younger brother's was 1:5 and the younger sister's was 2:4. Examination of other NCF-1/ NCF-1 psi s differences showed that the father had a compound deltaGT allele ie. deltaGT-20bp, inherited by the patient, and that both parents had compound GTGT alleles with a single 30bp segment in intron 1.
CONCLUSIONS: The patient was a classic, homozygous deltaGT p47-phox deficient CGD with one allele harbouring a compound deltaGT-20bp gene. The deltaGT and 20bp gene scans offer a relatively simple and efficient means of defining a p47-phox deficient CGD patient.
Key words: Chronic Granulomatous Disease, Primary Immunodeficiency, NCF-1, p47-phox, NADPH-oxidas
Fulltext Clinical and demographic pattern of chronic granulomatous disease (CGD) from a multicenter perspective: Malaysia's experience over 26 years

Noh LM, Latiff AHA, Ismail IH, Noah RM, Wahab AA, Hamid IJA, et al.

Allergy Asthma Clin Immunol, 2021 May 17;17(1):50.
PMID: 34001231 DOI: 10.1186/s13223-021-00551-4

BACKGROUND: A retrospective review of clinical manifestations and demographic pattern of patients diagnosed as chronic granulomatous disease (CGD) from 7 hospitals in Malaysia. An analysis of the available database would establish clinical characteristics, diagnoses and outcome including microbiologic pattern. Studying the demography allows us to document the occurrence of CGD amongst multiethnic groups and its geographical distribution for Malaysia.
METHODS: Data from the Malaysia Primary Immunodeficiency Network (MyPIN) with cases of CGD diagnosed from 1991 until 2016 were collated and analysed.
RESULTS: Twenty patients were diagnosed as CGD. Males (N = 13, 65%) outnumber females (N = 7, 35%). CGD is commonest amongst the Malays (65%) followed by the Chinese (15.0%), Indians (10.0%) and natives of Borneo (10.0%), reflecting the ethnic composition of the country. The mean age of diagnosis was 3.7 years. There was a positive family history in 40% of the cases. Abscess was the main presenting feature in 16 patients (80%) with one involving the brain. Pneumonia occurred in 10 (50%) and one with complicated bronchiectasis. Catalase-positive bacteria were the most commonly isolated pathogen with Chromobacterium violaceum predominating (N = 5, 25%) with consequent high mortality (N = 4, 80%). All CGD patients with C. violaceum infection displayed CD4 + (T helper cells) lymphopenia.
CONCLUSION: This study has shown CGD occurs in the major ethnic groups of Malaysia. To the best of our knowledge, this is the first and the largest series of chronic granulomatous disease in South East Asia which may be reflective of similar clinical pattern in the region. C. violaceum infection is associated with a higher mortality in CGD patients in Malaysia. All the CGD patients with C. violaceum infection in this patient series displayed CD4 + (T helper) lymphopenia. We recorded rare clinical manifestation of CGD viz. brain abscess and bronchiectasis.

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