Displaying publications 1 - 20 of 334 in total

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  1. Asma A, Roslenda AR, Fadzilah I, Mazita A, Marina MB, Ab Aziz A
    Med J Malaysia, 2017 04;72(2):135-137.
    PMID: 28473682 MyJurnal
    A six-month-old baby with congenital patent ductus arteriosus (PDA), bilateral microtia and canal atresia was referred for hearing assessment. The audiology assessment revealed bilateral profound hearing loss, which is atypical for a case of pure canal atresia. Imaging was performed much earlier than usual and, as suspected, the patient also had bilateral severe inner ear anomaly. It is extremely rare for a person to have both external and inner ear anomaly because of the different embryological origin. The only suitable hearing rehabilitation option for this kind of patients is brainstem implant. However, the parents had opted for sign language as a form of communication.
    Matched MeSH terms: Hearing Loss, Sensorineural/congenital; Congenital Microtia/complications*
  2. Tye SK, Kandavello G, Wan Ahmadul Badwi SA, Abdul Majid HS
    Front Psychol, 2020;11:481176.
    PMID: 33584393 DOI: 10.3389/fpsyg.2020.481176
    Objectives: This study aimed to describe the experiences and challenges faced by adolescents with moderate and severe congenital heart defects (CHD) or Chronic Rheumatic Heart Disease (CRHD) and to determine their needs in order to develop an Adolescent Transition Psychoeducational Program.

    Methods: The study involved seven adolescents with moderate to severe CHD/CRHD, six parents, and four health care providers in Institute Jantung Negara (National Heart Institute). Participants were invited for a semi-structured interview. Qualitative data were analyzed through the Atlas.ti 7 program using triangulation methods.

    Results/conclusions: We identified five themes concerning the experience and challenges of adolescents relating to: (1) emotional/psychological issues; (2) the progress of the illness; (3) relationship issues; (4) future preparation; and, (5) school and community. These themes were identified together with eleven subcategories. The staff expressed support for the development of the Adolescent Transition Psychoeducational Program and adolescents with CHD/CRHD and their parents were willing to participate in the program if their schedule allowed. Their suggestions to improve the program were classified into six categories, with two main themes, (1) the self-management of illness in life and the future; and, (2) social support. In conclusion, the findings from the situation analysis act as a basis for a conceptual framework that will contribute to the development of an Adolescent Transition Psychoeducational Program that aims to empower adolescents with CHD/CRHD, enabling them to manage challenges during the transition phase between childhood and adulthood.

    Matched MeSH terms: Heart Defects, Congenital
  3. Hamizan AW, Yean KT, Abdullah A
    Int J Pediatr Otorhinolaryngol, 2012 Mar;76(3):455-9.
    PMID: 22281372 DOI: 10.1016/j.ijporl.2012.01.002
    A 3-year-old child presented with congenital bilateral facial nerve palsy with bilateral profound sensorineural hearing loss. High Resolution Computed Tomogram (HRCT) of the temporal bones found bilateral atresia of cochlear nerve canals, incomplete partition of the cochleae and narrow facial nerve canals. Magnetic resonance imaging (MRI) revealed bilateral hypoplasia of facial nerves and aplasia of both vestibulocochlear nerves. There have been no other reported cases with this presentation. The possible aetiology and treatment options for the patient are discussed. We highlighted the review of aplasia/hypoplasia of the facial nerve and hypoplasia of cochlear nerve canal.
    Matched MeSH terms: Facial Nerve Diseases/congenital*; Facial Paralysis/congenital*; Hearing Loss, Sensorineural/congenital*
  4. Abdullah M
    Med J Malaysia, 2003 Mar;58(1):99-101.
    PMID: 14556332
    Congenital diaphragmatic hernia (CDH) is rare in adults. We report a 24 year old woman presenting with shortness of breath, chest pain and nausea after the birth of her first baby. Clinical examination, plain radiography and a CT scan revealed herniation of abdominal contents into her left chest. Via a midline laparotomy, the contents were reduced and the defect repaired, using a mesh. She remains symptom-free three years since her surgery and even after a second childbirth. A brief review of the literature reporting adult diaphragmatic hernia of congenital origin accompanies this case report. We conclude that symptomatic CDH in adults usually presents as an emergency with gastrointestinal and occasionally respiratory complications. Early diagnosis and repair is essential to avoid subsequent morbidity and mortality.
    Matched MeSH terms: Hernias, Diaphragmatic, Congenital*
  5. Zainuddin AA, Grover SR, Abdul Ghani NA, Wu LL, Rasat R, Abdul Manaf MR, et al.
    Health Qual Life Outcomes, 2020 Aug 01;18(1):258.
    PMID: 32738912 DOI: 10.1186/s12955-020-01515-9
    BACKGROUND: This study investigates the health-related quality of life (HRQOL) of female patients with congenital adrenal hyperplasia (CAH) in Malaysia. The objectives were to attain socio-demographic and medical data on these Malaysian females with CAH and establish their health-related quality of life (HRQOL) in comparison to age matched diabetic controls.

    METHODS: A cross-sectional study was conducted over 6 months in the two main tertiary centres for CAH patients in Malaysia. Participants including 59 female-raised CAH patients (mean age ± SD = 16.3 ± 4.2 years, range 10-28 years) compared to 57 age-matched female diabetic patients (mean age ± SD = 16.5 ± 3.4 years, range 10-26 years). Socio-demographic and medical profiles was obtained through semi-structured interviews. HRQOL of participants were evaluated utilising validated, Malay translated questionnaires which were age appropriate: Pediatric Quality of Life Inventory (PedsQL v4.0) scales for Child (8-12) and Adolescent (13-18) and Medical Outcome Survey 36-item Short Form version. These were then compared to the diabetic controls.

    RESULTS: The CAH participants consisted of children (ages 10-12 years, n = 12), adolescents (ages 13-17 years, n = 29) and adults (≥ 18 years, n = 18). The majority were Malays (64.4%) and had salt-wasting CAH (67.8%). There were no significant differences between the total mean score of the HRQOL of the combined children and adolescents CAH group (total mean score ± SD = 81.6 ± 17.9, 95% CI = 75.6-87.6) when compared to age-matched diabetic patients (total mean score ± SD = 80.8 ± 11.0, 95% CI = 77.0-84.5, P = 0.81, effect size = 0.05); no significant difference between the adult CAH and diabetic controls in the physical [median score (IQR) CAH vs diabetics; 49.3 (11.4) vs. 50.2 (6.1), P = 0.60, effect size = 0.09] and the mental composite scores [median score (IQR) CAH vs. diabetics; 47.8 (14.1) vs. 50.0 (10.8), P = 0.93, effect size = 0.01].

    CONCLUSIONS: The HRQOL of the Malaysian CAH cohort were comparable to the diabetic controls.

    Matched MeSH terms: Adrenal Hyperplasia, Congenital/psychology*
  6. Sahdi H, Hoong CW, Rasit AH, Arianto F, Siong LK, Abdullah NA
    J Orthop Surg (Hong Kong), 2017 01;25(1):2309499016684989.
    PMID: 28166702 DOI: 10.1177/2309499016684989
    Diplopodia, being a rare congenital disorder, is infrequently discussed in published texts. Most reported cases have accounted the involvement of duplicated preaxial digits with other associated organ system and physical deformities. Here, we present an unusual case of isolated diplopodia involving postaxial toes in a child with no other organ and physical abnormalities. Radiological studies revealed a set of 10-digit-duplicated foot over the lateral aspect of the native foot, complete with phalanges and its corresponding metatarsals as well as tarsals, supplied by an anomalous posterior branch of the popliteal artery. Definitive surgery was performed just before the child was learning to walk.
    Matched MeSH terms: Foot Deformities, Congenital/diagnosis*; Foot Deformities, Congenital/surgery
  7. Edwards F, Arkell P, Fong, Roberts LM, Gendy D, Wong CS, et al.
    J Thromb Thrombolysis, 2014;38(2):226-34.
    PMID: 24233388
    Evidence is emerging that rates of adverse events in patients taking warfarin may vary with ethnicity. This study investigated the rates of bleeds and thromboembolic events, the international normalised ratio (INR) status and the relationship between INR and bleeding events in Malaysia. Patients attending INR clinic at the Heart Centre, Sarawak General Hospital were enrolled on an ad hoc basis from May 2010 and followed up for 1 year. At each routine visit, INR was recorded and screening for bleeding or thromboembolism occurred. Variables relating to INR control were used as predictors of bleeds in logistic regression models. 125 patients contributed to 140 person-years of follow-up. The rates of major bleed, thromboembolic event and minor bleed per 100 person-years of follow-up were 1.4, 0.75 and 34.3. The median time at target range calculated using the Rosendaal method was 61.6% (IQR 44.6–74.1%). Of the out-of-range readings, 30.0% were below range and 15.4% were above. INR variability, (standard deviation of individuals’ mean INR), was the best predictor of bleeding events, with an odds ratio of 3.21 (95% CI 1.10–9.38). Low rates of both major bleeds and thromboembolic events were recorded, in addition to a substantial number of INR readings under the recommended target range. This may suggest that the recommended INR ranges may not represent the optimal warfarin intensity for this population and that a lower intensity of therapy, as observed in this cohort, could be beneficial in preventing adverse events.

    Study site: INR clinic at the Heart Centre, Sarawak General Hospital
    Matched MeSH terms: Thromboembolism/congenital
  8. Low TH, Faruk Senan NA, Ahmad TS
    J Hand Surg Am, 2012 May;37(5):930-2.
    PMID: 22386556 DOI: 10.1016/j.jhsa.2012.01.020
    To obtain epidemiologic data on the Linburg-Comstock anomaly in Malaysia and to study the effect of the anomaly on key pinch strength.
    Matched MeSH terms: Hand Deformities, Congenital/epidemiology*; Hand Deformities, Congenital/physiopathology
  9. Elhaj FA, Salim N, Harris AR, Swee TT, Ahmed T
    Comput Methods Programs Biomed, 2016 Apr;127:52-63.
    PMID: 27000289 DOI: 10.1016/j.cmpb.2015.12.024
    Arrhythmia is a cardiac condition caused by abnormal electrical activity of the heart, and an electrocardiogram (ECG) is the non-invasive method used to detect arrhythmias or heart abnormalities. Due to the presence of noise, the non-stationary nature of the ECG signal (i.e. the changing morphology of the ECG signal with respect to time) and the irregularity of the heartbeat, physicians face difficulties in the diagnosis of arrhythmias. The computer-aided analysis of ECG results assists physicians to detect cardiovascular diseases. The development of many existing arrhythmia systems has depended on the findings from linear experiments on ECG data which achieve high performance on noise-free data. However, nonlinear experiments characterize the ECG signal more effectively sense, extract hidden information in the ECG signal, and achieve good performance under noisy conditions. This paper investigates the representation ability of linear and nonlinear features and proposes a combination of such features in order to improve the classification of ECG data. In this study, five types of beat classes of arrhythmia as recommended by the Association for Advancement of Medical Instrumentation are analyzed: non-ectopic beats (N), supra-ventricular ectopic beats (S), ventricular ectopic beats (V), fusion beats (F) and unclassifiable and paced beats (U). The characterization ability of nonlinear features such as high order statistics and cumulants and nonlinear feature reduction methods such as independent component analysis are combined with linear features, namely, the principal component analysis of discrete wavelet transform coefficients. The features are tested for their ability to differentiate different classes of data using different classifiers, namely, the support vector machine and neural network methods with tenfold cross-validation. Our proposed method is able to classify the N, S, V, F and U arrhythmia classes with high accuracy (98.91%) using a combined support vector machine and radial basis function method.
    Matched MeSH terms: Heart Defects, Congenital
  10. Sidney Ong CL, Ch'ng LS, Aida Bt AA
    Med J Malaysia, 2018 10;73(5):330-331.
    PMID: 30350816 MyJurnal
    Coarctation of the aorta (CoA) is present in 0.4% of live births and in 7% of patients with congenital heart disease. While there may be florid presentations of congestive heart failure in the neonatal period, the diagnosis during adulthood is often delayed. We encountered a 20-year-old woman who was discovered to be hypertensive on routine check-up. Following bilateral abnormal renal doppler sonography, MR angiogram revealed a short-segment stenosis of the descending thoracic aorta. Review of her chest radiograph showed a small aortic knuckle. This case highlights an unconventional algorithm in diagnosing aortic coarctation in adulthood.
    Matched MeSH terms: Heart Defects, Congenital
  11. Tan YL, Alhagi MV
    Med J Malaysia, 2012 Feb;67(1):118-20.
    PMID: 22582563 MyJurnal
    Congenital internal herniation is a rare condition presenting as recurrent abdominal pain or acute intestinal obstruction. In cases in which bowel incarceration or strangulation develop, rapid progression to bowel ischemia, necrosis or perforation is inevitable. Mortality in such cases has been reported to be as high as 50%. Despite advances in imaging modalities, arriving at a pre-operative diagnosis of a congenital internal herniation remains a challenge. We report such a case where imaging was unsuccessful in determining the cause of intestinal obstruction in a 3 year old child. Congenital internal herniation may result in disastrous consequences if not addressed in a timely fashion due to its rarity. Hence a high index of clinical suspicion is needed to avoid missing this diagnosis in a child presenting with recurrent abdominal pain or acute intestinal obstruction.
    Matched MeSH terms: Hernia/congenital*
  12. Mat Bah MN, Sapian MH, Alias EY
    Ann Pediatr Cardiol, 2020 09 17;13(4):320-326.
    PMID: 33311920 DOI: 10.4103/apc.APC_35_20
    Aims: There are limited data regarding critical congenital heart disease (CCHD) from middle-income countries (MIC). This study aims to determine the birth prevalence, rate of late diagnosis, and influence of timing of diagnosis on the outcome of CCHD.

    Setting and Design: Retrospective observational cohort study in the State of Johor, Malaysia.

    Subjects and Methods: All infants born between January 2006 and December 2015 with a diagnosis of CCHD, defined as infants with duct-dependent lesions or cyanotic heart disease who may die without early intervention. The late diagnosis was defined as a diagnosis of CCHD after 3 days of age.

    Results: Congenital heart disease was diagnosed in 3557 of 531,904 live-born infants and were critical in 668 (18.7%). Of 668, 347 (52%) had duct-dependent pulmonary circulation. The birth prevalence of CCHD was 1.26 (95% confidence interval: 1.16-1.35) per 1000 live births, with no significant increase over time. The median age of diagnosis was 4 days (Q1 1, Q3 26), with 61 (9.1%) detected prenatally, and 342 (51.2%) detected late. The highest rate of late diagnosis was observed in coarctation of the aorta with a rate of 74%. Trend analysis shows a statistically significant reduction of late diagnosis and a significant increase in prenatal detection. However, Cox regression analysis shows the timing of diagnosis does not affect the outcome of CCHD.

    Conclusions: Due to limited resources in the MIC, the late diagnosis of CCHD is high but does not affect the outcome. Nevertheless, the timing of diagnosis has improved over time.

    Matched MeSH terms: Heart Defects, Congenital
  13. Mat Bah MN, Kasim AS, Sapian MH, Alias EY
    Arch Dis Child, 2024 Apr 18;109(5):363-369.
    PMID: 38296612 DOI: 10.1136/archdischild-2023-326622
    OBJECTIVE: Limited population-based studies are available on the survival of congenital heart disease (CHD) from lower- and middle-income countries. Therefore, we evaluated the survival from birth until 15 years and associated factors for mortality.

    METHODS: This population-based cohort study included all children with CHD registered in the Pediatric Cardiology Clinical Information System born between 2006 and 2020 in Johor, Malaysia. The mortality rate was calculated, and Cox proportional hazard regression analysis was used to determine factors associated with mortality. The Kaplan-Meier analysis was used to estimate the survival rates at 1, 5, 10 and 15 years.

    RESULTS: There were 5728 patients with CHD studied, with 1543 (27%) lesions resolved spontaneously, 322 (5.6%) were treated with comfort care, 1189 (21%) required no intervention, and 2674 (47%) needed surgery or intervention. The overall mortality rate was 15%, with a median age of death of 3.7 months (IQR 0.9-9.8 months). Preoperative/intervention death was observed in 300 (11%), and 68 (3.2%) children died within 30 days of surgery or intervention. The overall estimated survival at 1, 5, 10 and 15 years was 88%, 85%, 84% and 83%, respectively. The independent factors associated with mortality were male gender, associated syndrome or extra-cardiac defect, pulmonary hypertension, antenatal diagnosis and severe lesions.

    CONCLUSIONS: Eight out of 10 patients with CHDs survived up to 15 years of age. However, 10% of CHDs who require intervention die before the procedure. Thus, improving congenital cardiac surgery and enhancing the overall healthcare system are crucial to improve survival.

    Matched MeSH terms: Heart Defects, Congenital*
  14. Alhawri K, Alakhfash A, Alqwaee A, HassabElnabi M, Ahmed F, Alhawri M, et al.
    J Card Surg, 2021 Aug;36(8):2890-2900.
    PMID: 34047395 DOI: 10.1111/jocs.15618
    BACKGROUND: Anomalous origin of one pulmonary artery from the aorta is a rare congenital anomaly affecting the right pulmonary artery more than the left. These patients are at risk for the early development of significant pulmonary hypertension. Early surgical treatment has been proven safe with excellent results. The surgical approach and technique is challenging and should be decided ahead before the patient to surgery. Different techniques were described including direct reimplantation, conduit interposition, aortic ring flap.

    AIM: We present a neonate with anomalous origin of the right pulmonary artery from the aorta and discuss the surgical technique and complications in the literature.

    Matched MeSH terms: Heart Defects, Congenital*
  15. 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*
  16. Nanda A, Sharaf A, Alsaleh QA
    Pediatr Dermatol, 2011 4 22;27(6):669-70.
    PMID: 21510010
    Oral-facial-digital syndrome type 1 (OMIM #311200) is an X-linked dominant, developmental disorder. Among the 13 described clinical variants of oral-facial-digital syndrome, oral-facial-digital syndrome type 1 is of significance to dermatologists due to presence of congenital milia and hypotrichosis, not described in other variants. Since oral-facial-digital syndrome type 1 is genetically a distinct entity, awareness of these features help to clinically delineate this from other variants.
    Matched MeSH terms: Hand Deformities, Congenital/pathology*
  17. Alwi M
    Future Cardiol, 2012 Mar;8(2):237-50.
    PMID: 22413983 DOI: 10.2217/fca.12.4
    Maintaining ductal patency in duct-dependent congenital heart lesions by implantation of coronary stents is an alternative to systemic pulmonary shunt in selected cases and lesions with suitable anatomy. This article focuses on the procedure as the initial palliation in duct-dependent pulmonary circulation, its associated pitfalls and complications. A good understanding of the diverse duct morphology is paramount prior to stenting of the ductus. Long tortuous duct, insufficiently constricted ductus at the pulmonary end and ductus with associated branch pulmonary artery stenosis at the site of insertion are not suitable for stenting. Durability of palliation is generally inferior to a surgical shunt and this may dictate earlier definitive surgical repair. Acceleration of branch pulmonary artery stenosis in certain ductal morphology limits its general applicability. Bioabsorbable and biodegradable stents may offer some solution to this problem.
    Matched MeSH terms: Heart Defects, Congenital/surgery; Heart Defects, Congenital/therapy
  18. Alwi M
    Ann Pediatr Cardiol, 2008 Jan;1(1):38-45.
    PMID: 20300236 DOI: 10.4103/0974-2069.41054
    Ductal stenting is an attractive alternative to conventional shunt surgery in duct dependent congenital heart disease as it avoids thoracotomy and its related problems. With today's generation of coronary stents which have better profile, flexibility and trackability, ductal stenting may be achieved safely and with considerably less difficulty than previously described.As in Blalock-Taussig (BT) shunt, ductal stenting is indicated mainly in duct-dependent cyanotic lesions chiefly in the neonatal period. Unlike the Patent ductus arteriosus (PDA) as an isolated lesion, the ductus in cyanotic heart disease has a remarkable morphologic variability. The ductus tends to arise more proximally under the aortic arch, giving rise to a vertical ductus or occasionally it may arise from the subclavian artery. It also tends to be long and sometimes very tortuous, rendering stent implantation technically impossible. The ductus in these patients may also insert onto one of the branch pulmonary arteries with some stenosis at the site of insertion. The ductus in Tetralogy of Fallot with pulmonary atresia (TOF-PA) tend to exhibit these morphologic features and to a lesser degree in transposition of great arteries with ventricular septal defect and pulmonary atresia (TGA-VSD-PA) and the more complex forms of univentricular hearts. In the preliminary angiographic evaluation, it is important to delineate these morphologic features as the basis for case selection.Ductal stenting may be done by the retrograde femoral artery route or the antegrade transvenous route depending on the ductus morphology and the underlying cardiac lesion. The detailed techniques and essential hardware are described. Finally, major potential complications of the procedure are described. Acute stent thrombosis is the most serious and potentially catastrophic. Emergent treatment with thrombolytic therapy and mechanical disruption of thrombus are required. With proper case selection, appropriate technique and the right hardware ductal stenting provides reasonable short-medium term palliation in duct-dependent cyanotic heart disease.
    Matched MeSH terms: Heart Defects, Congenital
  19. Abdul Aziz B, Alwi M
    Catheter Cardiovasc Interv, 1999 Oct;48(2):191-3.
    PMID: 10506777
    We report a case of a 14-month-old-infant with severe congenital mitral stenosis who presented with pulmonary oedema, acute renal failure and haemodynamic instability. Balloon dilatation was successfully performed under fluoroscopic and transesophageal echocardiographic guidance. Cathet. Cardiovasc. Intervent. 48:191-193, 1999.
    Matched MeSH terms: Heart Failure/congenital; Mitral Valve Stenosis/congenital*
  20. Alwi M
    Catheter Cardiovasc Interv, 2006 May;67(5):679-86.
    PMID: 16572430 DOI: 10.1002/ccd.20672
    Pulmonary atresia with intact ventricular septum (PAIVS) is a disease with remarkable morphologic variability, affecting not only the pulmonary valve but also the tricuspid valve, the RV cavity and coronary arteries. With advances in interventional techniques and congenital heart surgery, the management of PAIVS continues to evolve. This review is an attempt at providing a practical approach to the management of this disease. The basis of our approach is morphologic classification as derived from echocardiography and angiography. Group A, patients with good sized RV and membranous atresia, the primary procedure at presentation is radiofrequency (RF) valvotomy. Often it is the only procedure required in this group with the most favourable outcome. Patients with severely hypoplastic RV (Group C) are managed along the lines of hearts with single ventricle physiology. The treatment at presentation is patent ductus arteriosus (PDA) stenting with balloon atrial septostomy or conventional modified Blalock Taussig (BT) shunt. Bidirectional Glenn shunt may be done 6-12 months later followed by Fontan completion after a suitable interval. Patients in Group B, the intermediate group, are those with borderline RV size, usually with attenuated trabecular component but well developed infundibulum. The treatment at presentation is RF valvotomy and PDA stenting +/- balloon atrial septostomy. Surgical re-interventions are not uncommonly required viz. bidirectional Glenn shunt when the RV fails to grow adequately (11/2 - ventricle repair) and right ventricular outflow tract (RVOT) reconstruction for subvalvar obstruction or small pulmonary annulus. Catheter based interventions viz. repeat balloon dilatation or device closure of patent foramen ovale (PFO) may also be required in some patients.
    Matched MeSH terms: Heart Defects, Congenital/diagnosis; Heart Defects, Congenital/pathology; Heart Defects, Congenital/therapy*
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