Displaying publications 1 - 20 of 27 in total

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  1. Qureshi AU, Latiff HA, Sivalingam S
    Cardiol Young, 2014 Aug;24(4):756-9.
    PMID: 24016801 DOI: 10.1017/S1047951113001200
    Incomplete involution of valve of systemic venous sinus can present across a spectrum of anatomical lesions ranging from eustachian valve to division of right atrium (cor triatriatum dexter) with overlapping features. We present the case of a neonate presenting with cyanosis, having persistent valve of systemic venous sinus with anatomical details of the redundant tissue in right atrium suggesting an intermediate form between Chiari network and division of right atrium.
  2. Alwi M, Kandavello G, Choo KK, Aziz BA, Samion H, Latiff HA
    Cardiol Young, 2005 Apr;15(2):141-7.
    PMID: 15845156
    Some patients with pulmonary atresia with an intact ventricular septum, mild to moderate right ventricular hypoplasia, and a patent infundibulum remain duct dependent on the flow of blood through the arterial duct despite adequate relief of the obstruction within the right ventricular outflow tract. The objective of our study was to review the risk factors for stenting of the patent arterial duct, or construction of a Blalock-Taussig shunt, in the patients with pulmonary atresia and an intact ventricular septum who remain duct-dependent following radiofrequency valvotomy and dilation of the imperforate pulmonary valve. We reviewed the data from 53 patients seen between November 1995 and December 2001. Of the 47 patients who survived, 6 required stenting of the patent arterial duct, while 4 needed construction of a modified Blalock-Taussig shunt to augment the flow of blood to the lungs at a mean of 7 plus or minus 5.7 days following the initial intervention. The remaining 37 patients required no additional procedures. We compared the findings in these two groups. The mean diameter of the tricuspid valve in the patients requiring early reintervention was 8.5 plus or minus 3.7 millimetres, giving a Z-score of -1.1 plus or minus 1.47, whilst those in the group without early reintervention had values of 10.7 plus or minus 2.2 millimetres, giving a Z-score of -0.58 plus or minus 1.18 (p equal to 0.003). No statistically significant differences were found in right ventricular morphology, McGoon ratio, or residual obstruction across the right ventricular outflow tract after decompression of the right ventricle. The diameter of the tricuspid valve, therefore, appears to be the only factor predicting the need for augmentation of flow of blood to the lungs. As just over one-fifth of our survivors required such augmentation, we hypothesize that stenting of the patent arterial duct may be performed as an integral part of primary transcatheter therapy in patients with pulmonary atresia and intact ventricular septum who have moderate right ventricular hypoplasia and a small tricuspid valve.
  3. Tye SK, Kandavello G, Gan KL
    Cardiol Young, 2017 Jan;27(1):46-54.
    PMID: 26911553 DOI: 10.1017/S1047951116000068
    OBJECTIVES: The objectives of this study were to examine which types of social supports - emotional/informational support, tangible support, affectionate support, and positive interactions - are the predictors of health-related quality of life (HRQoL) in adult patients with CHD and to assess the influence of demographic variables and clinical factors on these variables.

    METHODS: In total, 205 adult patients with CHD from the National Heart Institute, Malaysia, were recruited. Patients were first screened by cardiology consultants to ensure they fit the inclusion criteria before filling in questionnaires, which were medical outcome studies - social support survey and AQoL-8D. Results/conclusions All social supports and their subscales were found to have mild-to-moderate significant relationships with physical dimension, psychological dimension, and overall HRQoL; however, only positive interaction, marital status, and types of diagnosis were reported as predictors of HRQoL. Surprisingly, with regard to the physical dimension of quality of life, social supports were not significant predictors, but educational level, marital status, and types of diagnosis were significant predictors. Positive interaction, affectionate support, marital status, and types of diagnosis were again found to be predictors in the aspects of the psychological dimension of quality of life. In conclusion, positive interaction and affectionate support, which include elements of fun, relaxation, love, and care, should be included in the care of adult patients with CHD.

  4. Soo KW, Leong MC, Khalid F
    Cardiol Young, 2016 Feb;26(2):371-4.
    PMID: 26095661 DOI: 10.1017/S1047951115001055
    We describe the case of an infant who was a late presenter of transposition of the great arteries where we proceeded with ductal stenting to improve oxygenation and left ventricle training. Stenting improved the infant's saturation while keeping the left ventricle well trained for 4 months after the procedure. This report demonstrates that intermediate-term left ventricle training can be achieved via ductal stenting.
  5. Latiff HA, Alwi M, Samion H, Kandhavel G
    Cardiol Young, 2002 May;12(3):224-8.
    PMID: 12365167
    This study reviewed the short-term outcome of transcatheter closure of the defects within the oval fossa using an Amplatzer Septal Occluder. From January 1997 to December 2000, 210 patients with defects within the oval fossa underwent successful transcatheter closure. We reviewed a total of 190 patients with left-to-right shunts, assessing the patients for possible complications and the presence of residual shunts using transthoracic echocardiogram at 24 h, 1 month, 3 months and one year. Their median age was 10 years, with a range from 2 to 64 years, and their median weight was 23.9 kg, with a range from 8.9 to 79 kg. In 5 patients, a patent arterial duct was closed, and in 2 pulmonary balloon valvoplasty performed, at the same sitting. The median size of the Amplatzer device used was 20 mm, with a range from 9 to 36 mm. The median times for the procedure and fluoroscopy were 95 min, with a range from 30 to 210 min, and 18.4 min, with a range from 5 to 144 min, respectively. Mean follow-up was 20.8 +/- 12.4 months. Complete occlusion was obtained in 168 of 190 (88%) patients at 24 h, 128 of 133 (96.2%) at 3 months, and 103 of 104 (99%) at one year. Complications occurred in 4 (2.1%) patients. In one, the device became detached, in the second the device embolized into the right ventricular outflow tract, the lower end of the device straddled in the third, and the final patient had significant bleeding from the site of venupuncture. There were no major complications noted on follow-up. We conclude that transcatheter closure of defects within the oval fossa using the Amplatzer Septal Occluder is safe and effective. Long-term follow-up is required, nonetheless, before it is recommended as a standard procedure.
  6. Latiff HA, Samion H, Kandhavel G, Aziz BA, Alwi M
    Cardiol Young, 2001 Mar;11(2):201-4.
    PMID: 11293739
    BACKGROUND: From January, 1997, as part of an international multicentric trial, we have been closing small-to-moderate atrial septal defects within the oval fossa using the Amplatzer Septal Occluder (ASO, AGA Medical).

    METHODS: All patients with defects within the oval fossa deemed potentially suitable for transcatheter closure were investigated by transesophageal echocardiography with the aim of gaining extra information that might alter the decision to use the device to close the defect. Views were obtained in transverse and longitudinal planes, permitting measurements of the diameter of the defect, and its distance from the atrioventricular valves, coronary sinus, and pulmonary veins. Additionally, we sought to identify multiple defects, and to exclude sinus venosus defects.

    RESULTS: Of 56 patients with left-to-right shunts, 41 (73.2%) were deemed suitable for closure with the Amplatzer Septal Occluder. All underwent the procedure successfully, with no complications. This includes 5 patients with multiple small defects that were sufficiently close to the main defect to be closed with a single device. Only two of these had been detected on the transthoracic study. In the remaining 15 of 56 patients, transcatheter closure was deemed unsuitable. In 9 patients, this was due to the limitation of the size of the device available during the period of study, this representing a relative contraindication. In the remaining 6 (10.7%), transcatheter closure was not performed because multiple defects were too far apart to be closed with a single device in 3 patients, two patients were noted to have a sinus venosus defect, and another was noted to have anomalous connection of the right upper pulmonary vein to the right atrium. Excluding patients contraindicated due to the size of the defect alone, transesophageal echocardiography provided extra information in one-tenth of our patients, which altered the decision regarding management.

    CONCLUSION: Transesophageal echocardiography is indispensable in the evaluation of patients undergoing transcatheter closure of atrial septal defect.

  7. Yubbu P, Kaur J, Jamaluddin JA
    Cardiol Young, 2019 Aug;29(8):1101-1103.
    PMID: 31239005 DOI: 10.1017/S1047951119001458
    Purulent pericarditis leading to constrictive pericarditis is a rare but serious complication following invasive pneumococcal infection. Early recognition of this complication is crucial to prevent mortality. Here, we report a previously healthy child who developed constrictive pericarditis due to purulent pericarditis following necrotising pneumococcal pneumonia, which is not common in this current antibiotic and pneumococcal vaccine era. The child was successfully treated with pericardiectomy.
  8. Tan JWY, Lee OPE, Leong MC
    Cardiol Young, 2021 Feb;31(2):322-324.
    PMID: 33300487 DOI: 10.1017/S104795112000390X
    Vitamin C deficiency has been a historical disease rarely seen nowadays. We illustrate a case of a boy with autism presenting with severe pulmonary hypertension and refusal to walk secondary to vitamin C deficiency. Initiating treatment with high-dose vitamin C reversed his symptoms and he regained full power of his lower limbs with total normalisation of his pulmonary pressures.
  9. Leong MC, Alwi M
    Cardiol Young, 2021 May 31.
    PMID: 34053471 DOI: 10.1017/S1047951121001980
    Device occlusion of perimembranous ventricular septal defect is gaining popularity with the emergence of newer, softer occluders and improved technical know-how. We report a 26-year-old lady with a moderate size perimembranous ventricular septal defect who had a new onset of bundle branch block shortly after device closure. The patient subsequently developed a complete atrio-ventricular heart block.
  10. Yubbu P, Abdul Latiff H, Musa H, Devaraj NK, Mohd Razif NA, Sivalingam S, et al.
    Cardiol Young, 2021 Jun 03.
    PMID: 34080535 DOI: 10.1017/S1047951121002110
    BACKGROUND: Vascular compression of the airway often complicates CHD management. This study evaluated the use of CT in determining cardiovascular causes, clinical manifestations, and outcome of tracheobronchial compression among children with CHD.

    METHODS: A retrospective review of clinical records of all patients with CT scan evidence of tracheobronchial compression from January 2007 to December 2017 at National Heart Institute. Cardiovascular causes of tracheobronchial compression were divided into three groups; group I: vascular ring/pulmonary artery sling, II: abnormally enlarged or malposition cardiovascular structure due to CHD, III: post-CHD surgery.

    RESULTS: Vascular tracheobronchial compression was found in 81 out of 810 (10%) patients who underwent CT scan. Group I lesions were the leading causes of vascular tracheobronchial compression (55.5%), followed by group II (34.6%) and group III (9.9%). The median age of diagnosis in groups I, II, and III were 16.8 months, 3 months, and 15.6 months, respectively. Half of group I patients are manifested with stridor and one-third with recurrent chest infections. Persistent respiratory symptoms, lung atelectasis, or prolonged respiratory support requirement were clues in groups II and III. Higher morbidity and mortality in younger infants with severe obstructive airway symptoms, associated airway abnormalities, and underlying complex cyanotic CHD.

    CONCLUSIONS: Vascular ring/pulmonary artery sling and abnormally enlarged or malposition cardiovascular structure were the leading causes of cardiovascular airway compression. A high index of suspicion is needed for early detection due to its non-specific presentation. The outcome often depends on the severity of airway obstruction and complexity of cardiac lesions.

  11. Mohd Ramdzan MY, Mohd Khalid KF, Che Mood M
    Cardiol Young, 2021 Aug 02.
    PMID: 34334145 DOI: 10.1017/S1047951121003152
    This case illustrates acute myocarditis with complete heart block in a 13-year-old teenager as a rare complication of acute dengue illness. He required urgent temporary pacing with inotropic support and antifailure medications. Complete heart block in dengue myocarditis is an acute but reversible condition. A similar presentation in a dengue-endemic country or with a history of travelling to tropical countries warrants a suspicion of dengue infection.
  12. Yubbu P, Latiff HA, Adam Abbaker AM
    Cardiol Young, 2017 Apr;27(3):613-616.
    PMID: 27817752 DOI: 10.1017/S1047951116001840
    We present two interesting cases of isolated left subclavian artery from the pulmonary artery with symptoms of upper airway obstruction. The first patient had tetralogy of Fallot, pulmonary artery sling, bilateral superior caval veins, and left bronchial isomerism, suggesting heterotaxy syndrome. The second patient had a right aortic arch, isolated left subclavian artery, and bilateral arterial ducts. These two cases are interesting because of their rarity and uncommon presentation.
  13. Ong LC, Teh CS, Darshinee J, Omar A, Ang HL
    Cardiol Young, 2017 Sep;27(7):1306-1313.
    PMID: 28260550 DOI: 10.1017/S1047951117000166
    OBJECTIVES: The objectives of this study were to compare the quality-of-life scores of Malaysian children with CHD and their healthy siblings, to determine the level of agreement between proxy-reports and child self-reports, and to examine variables that have an impact on quality of life in those with CHD.

    METHODS: Parental-proxy scores of the Pediatric Quality of Life Inventory 4.0 core scales were obtained for 179 children with CHD and 172 siblings. Intra-class coefficients were derived to determine the levels of proxy-child agreement in 66 children aged 8-18 years. Multiple regression analysis was used to determine factors that impacted Pediatric Quality of Life Inventory scores.

    RESULTS: Proxy scores were lower in children with CHD than siblings for all scales except physical health. Maximum differences were noted in children aged 5-7 years, whereas there were no significant differences in the 2-4 and 13-18 years age groups. Good levels of proxy-child agreement were found in children aged 8-12 years for total, psychosocial health, social, and school functioning scales (correlation coefficients 0.7-0.8). In children aged 13-18 years, the level of agreement was poor to fair for emotional and social functioning. The need for future surgery and severity of symptoms were associated with lower scores.

    CONCLUSION: Differences in proxy perception of quality of life appear to be age related. The level of proxy-child agreement was higher compared with other reported studies, with lower levels of agreement in teenagers. Facilitating access to surgery and optimising control of symptoms may improve quality of life in this group of children.

  14. Musa H, Yubbu P, Koh GT
    Cardiol Young, 2020 Jan;30(1):142-144.
    PMID: 31679555 DOI: 10.1017/S1047951119002609
    We report a case of a 2-month-old infant with incomplete Kawasaki disease with multiple coronary and systemic arteries aneurysms complicated with internal iliac arteries thrombosis. The atypical clinical presentations and severity of systemic vascular involvements discuss the importance of high index of suspicions in younger infants and treatment options in such cases.
  15. 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.
  16. Patel FR, Tan JW, Rao S
    Cardiol Young, 2022 Jan;32(1):83-87.
    PMID: 33941307 DOI: 10.1017/S1047951121001621
    INTRODUCTION: Rheumatic heart disease is among the leading causes of acquired valvular heart disease in the developing world. However, there is no data available for rheumatic heart disease in the paediatric population of Sabah. This study collected data for acute rheumatic fever admissions among the paediatric population in Sabah over a period of 3 years.

    METHODS: This is a retrospective cohort study. All records for admissions to paediatric wards in Sabah for acute rheumatic fever from January 2016 to December 2018 were collected. The patient records were then traced and required information were collected.

    RESULTS: A total of 52 cases of acute rheumatic fever were admitted. It was observed that the incidence of acute rheumatic fever was 74.4 per 100,000 paediatric admissions. Patients from the West Coast Division made up most of the admissions (n = 24, 46.2%). Male patients (n = 35, 67.3%) of the indigenous Kadazan-Dusun ethnicity (n = 21, 40.4%) were most commonly encountered. The mean age at time of presentation was 9.58 years. Most cases admitted (n = 38, 73.1%) were categorised as Priority 1 (severe rheumatic heart disease).

    CONCLUSION: Most patients who were admitted had symptoms of heart failure and were diagnosed with severe rheumatic heart disease. Although this disease is preventable, the incidence in Sabah remains high. This study was limited as we only looked at patients who were admitted and we foresee the real incidence to be higher. Hence, there is an urgent need for a rheumatic heart disease registry in Malaysia to gather more data for prevention and early intervention.

  17. Jamaluddin JA, Ali N
    Cardiol Young, 2022 Jan;32(1):21-23.
    PMID: 33941298 DOI: 10.1017/S1047951121001475
    Supracardiac total anomalous pulmonary venous drainage is commonly associated with a left-sided ascending vein draining into innominate vein. We present a case of a newborn with a right-sided ascending vein, draining into the right superior caval vein with stenosis at the SVC-ascending vein junction, posing a surgical dilemma in corrective surgery. Usage of three-dimensional computed tomographic scan was essential in delineating the anatomy and aiding surgery. The case demonstrates the rarity of this type of cardiac disease and the complications that develop.
  18. Borhanuddin BK, Abdul Latiff H, Mohamed Yusof AK
    Cardiol Young, 2022 Dec;32(12):1994-1998.
    PMID: 35707919 DOI: 10.1017/S1047951122000154
    BACKGROUND: CT is an accepted non-invasive imaging tool to assess the coronary arteries in adults; however, its utilisation in children is limited by high heart rate and lack of standardised protocol. We sought to assess diagnostic quality and factors that affect image quality of CT in assessing coronary artery lesions in Kawasaki patients less than 18 years of age.

    METHODOLOGY: CT coronary angiography was performed on patients with Kawasaki disease diagnosed with coronary aneurysm or suspected to have coronary stenosis. Studies were performed using electrocardiogram-gated protocols. General anaesthesia was used in patients who were not cooperative for breathing control. Heart rate, image quality, and effective radiation dose were documented.

    RESULTS: Fifty-two Kawasaki patients underwent CT coronary angiography to assess coronary artery lesions. Median heart rate was 88 beats per minute (range 50-165 beats/minute). Image quality was graded as excellent in 34 (65%) patients, good in 17 (32%), satisfactory in 1, and poor in 1 patient. Coronary artery aneurysm was found in 25 (bilateral = 6, unilateral = 19, multiple = 11). Thrombus was found in 11 patients resulting in partial and total occlusion in 8 and 3 patients, respectively. Coronary stenosis was noted in 2 patients. The effective radiation dose was 1.296 millisievert (median 0.81 millisievert). Better diagnostic imaging quality was significantly related to lower heart rate (p = 0.007).

    CONCLUSION: Electrocardiogram-triggered CT coronary angiography provides a good diagnostic assessment of coronary artery lesions in children with Kawasaki disease.

  19. Abdul Latiff H, Gopal AR, Hidayat ZF, Haranal M, Borhanuddin BK, Alwi M, et al.
    Cardiol Young, 2023 Nov;33(11):2243-2251.
    PMID: 36651340 DOI: 10.1017/S1047951122004218
    BACKGROUND: The objective was to study the ductus arteriosus morphology in duct-dependent pulmonary circulation and its pattern in different ventricle morphology using CT angiography.

    METHOD: From January 2013 to December 2015, patients aged 6 months and below with duct-dependent pulmonary circulation underwent CT angiography to delineate the ductus arteriosus origin, tortuosity, site of insertion, and pulmonary artery anatomy. The ductus arteriosus were classified into type I, IIa, IIb, and III based on its site of origin, either from descending aorta, distal arch, proximal arch, or subclavian artery, respectively.

    RESULTS: A total of 114 patients and 116 ductus arteriosus (two had bilateral ductus arteriosus) were analysed. Type I, IIa, IIb, and III ductus arteriosus were seen in 13 (11.2 %), 71 (61.2%), 21 (18.1%), and 11 (9.5%), respectively. Tortuous ductus arteriosus was found in 38 (32.7%), which was commonly seen in single ventricular lesions. Ipsilateral and bilateral branch pulmonary artery stenosis was seen in 68 (59.6%) and 6 (5.3%) patients, respectively. The majority of patients with pulmonary atresia intact ventricular septum had type I (54.4%) and non-tortuous ductus arteriosus, while those with single and biventricular lesions had type II ductus arteriosus (84.9% and 89.7%, respectively). Type III ductus arteriosus was more common in biventricular lesions (77.8%).

    CONCLUSIONS: Ductus arteriosus in duct-dependent pulmonary circulation has a diverse morphology with a distinct origin and tortuosity pattern in different types of ventricular morphology. CT may serve as an important tool in case selection and pre-procedural planning for ductal stenting.

  20. Tye SK, Razali NS, Ahmad Shauqi SA, Azeman NA, Basran NF, Liew JHJ, et al.
    Cardiol Young, 2023 Nov 15.
    PMID: 37965721 DOI: 10.1017/S1047951123003773
    OBJECTIVES: This study aimed to describe the perception of Malaysian patients with pulmonary hypertension towards palliative care and their receptivity towards palliative care.

    METHODS: This was a cross-sectional, single-centre study conducted via questionnaire. Patients aged 18 years old and above, who were diagnosed with non-curable pulmonary hypertension were recruited and given the assessment tool - perceptions of palliative care instrument electronically. The severity of pulmonary hypertension was measured using WHO class, N-terminal pro B-type natriuretic peptide and the 6-minute walking test distance.

    RESULTS: A total of 84 patients [mean age: 35 ±11 years, female: 83.3%, median N-terminal pro B-type natriuretic peptide: 491 pg/ml (interquartile range: 155,1317.8), median 6-minute walking test distance: 420m (interquartile range: 368.5, 480m)] completed the questionnaires. Patients with a higher WHO functional class and negative feelings (r = 0.333, p = 0.004), and cognitive reaction to palliative care: hopeless (r = 0.340, p = 0.003), supported (r = 0.258, p = 0.028), disrupted (r = 0.262, p = 0.025), and perception of burden (r = 0.239, p = 0.041) are more receptive to palliative care. WHO class, N-terminal pro B-type natriuretic peptide, and 6-minute walking test distance were not associated with higher readiness for palliative care. In logistic regression analyses, patients with positive feelings (β = 2.240, p = < 0.05), and practical needs (β = 1.346, p = < 0.05), were more receptive to palliative care.

    CONCLUSIONS: Disease severity did not directly influence patients' readiness for palliative care. Patients with a positive outlook were more receptive to palliative care.

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