Displaying all 11 publications

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  1. 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.
  2. 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.
  3. 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.
  4. Mazalan SL, Yubbu P, Velayudham VR
    Cardiol Young, 2023 Jul;33(7):1206-1208.
    PMID: 36484132 DOI: 10.1017/S1047951122003687
    Intrapericardial teratoma is a germ-cell tumor that typically arises from the base of the heart. This rare cardiac tumour is the second most common tumor diagnosed in fetuses and newborn. Although benign, it can be massive in size causing direct compression on the heart and associated with significant pericardial effusion resulting life-threatening complications such as cardiac tamponade, heart failure, foetal hydrops, and sudden death. Early antenatal diagnosis and surgical intervention improve the survival. We present a case of immature intrapericardial teratoma diagnosed at 25 weeks of gestation but required multiple foetal pericardiocentesis and premature delivery due to massive pericardial effusion. The importance of multidisciplinary team approach to ensure successful management was highlighted in this case report.
  5. Masiran R, Ilias MNA, Yubbu P
    BMJ Case Rep, 2023 Nov 27;16(11).
    PMID: 38011950 DOI: 10.1136/bcr-2023-255187
    A young child was diagnosed with autism spectrum disorder with comorbid attention-deficit/hyperactivity disorder. His hyperactivity, impulsivity and absence of awareness towards danger increased his risk of harm and hence methylphenidate was indicated. Unfortunately, he developed chest pain eight months after the treatment initiation. We then stopped the stimulant and changed his treatment to atomoxetine, after which he no longer had chest pain. In the following illustrated case, we will discuss the cardiac side effect of methylphenidate.
  6. Yubbu P, Nawaytou HM, Calderon-Anyosa R, Banerjee A
    Int J Cardiovasc Imaging, 2018 Oct;34(10):1529-1539.
    PMID: 29770913 DOI: 10.1007/s10554-018-1367-4
    The current echocardiographic diagnostic criteria for noncompaction cardiomyopathy (NCC) have variable sensitivity and low specificity. Moreover, there are limited data on the use of myocardial deformation imaging for early detection of myocardial dysfunction in children with NCC. We describe left ventricular (LV) deformation patterns in children with NCC, with the goal of identifying a potential diagnostic pattern. We prospectively enrolled 30 children with NCC (47% male; mean age 7.2 years) and 30 age- and gender-matched controls. Extent and severity of non compaction in each segment were evaluated in LV 16-segment model. Regional (base, mid and apex) and segmental (16 segments) longitudinal strain (LS), circumferential strain (CS) and radial strain (RS) were measured using speckle tracking echocardiography. In all patients with NCC, regional and segmental CS and RS at the apex were significantly decreased compared to controls (CS apex: - 19.2 ± 5.4% vs. - 30.2 ± 6.9%, p p p p  50% and controls (sensitivity: 87%, specificity 79%, AUC 0.88, p
  7. 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.

  8. Ling BP, Jalilian FA, Harmal NS, Yubbu P, Sekawi Z
    Trop Biomed, 2014 Dec;31(4):654-62.
    PMID: 25776590 MyJurnal
    Hand, foot and mouth disease (HFMD) is a common viral infection among infants and children. The major causative agents of HFMD are enterovirus 71 (EV71) and coxsackievirus A16 (CVA16). Recently, coxsackievirus A6 (CVA6) infections were reported in neighboring countries. Infected infants and children may present with fever, mouth/throat ulcers, rashes and vesicles on hands and feet. Moreover, EV71 infections might cause fatal neurological complications. Since 1997, EV71 caused fatalities in Sarawak and Peninsula Malaysia. The purpose of this study was to identify and classify the viruses which detected from the patients who presenting clinical signs and symptoms of HFMD in Seri Kembangan, Malaysia. From December 2012 until July 2013, a total of 28 specimens were collected from patients with clinical case definitions of HFMD. The HFMD viruses were detected by using semi-nested reverse transcription polymerase chain reaction (snRT-PCR). The positive snRT-PCR products were sequenced and phylogenetic analyses of the viruses were performed. 12 of 28 specimens (42.9%) were positive in snRT-PCR, seven are CVA6 (58.3%), two CVA16 (16.7%) and three EV71 (25%). Based on phylogenetic analysis studies, EV71 strains were identified as sub-genotype B5; CVA16 strains classified into sub-genotype B2b and B2c; CVA6 strains closely related to strains in Taiwan and Japan. In this study, HFMD in Seri Kembangan were caused by different types of Enterovirus, which were EV71, CVA6 and CVA16.
  9. Etemadi MR, Jalilian FA, Othman N, Lye MS, Ansari S, Yubbu P, et al.
    J Virol Methods, 2019 07;269:1-6.
    PMID: 30910688 DOI: 10.1016/j.jviromet.2019.03.013
    BACKGROUND: The role of respiratory viruses as the major cause of acute lower respiratory tract infections (ALRTIs) in children is becoming increasingly evident due to the use of sensitive molecular detection methods. The aim of this study was to use conventional and molecular detection methods to assess the epidemiology of respiratory viral infections in children less than five years of age that were hospitalized with ALRTIs.

    METHODS: The cross-sectional study was designed to investigate the occurrence of respiratory viruses including respiratory syncytisl virus (RSV), human metapneumovirus (HMPV), influenza virus A and B (IFV-A and B), parainfluenzavirus 1, 2, 3 and 4 (PIV 1, 2, 3 and 4), human rhinoviruses (HRV), human enterovirus (HEV), human coronaviruses (HCoV) 229E and OC43, human bocavirus (HBoV) and human adenovirus (HAdV) in hospitalized children with ALRTIs, at Hospital Serdang, Malaysia, from June 16 to December 21, 2009. The study was also designed in part to assess the performance of the conventional methods against molecular methods.

    RESULTS: Viral pathogens were detected in 158 (95.8%) of the patients. Single virus infections were detected in 114 (67.9%) patients; 46 (27.9%) were co-infected with different viruses including double-virus infections in 37 (22.4%) and triple-virus infections in 9 (5.5%) cases. Approximately 70% of samples were found to be positive using conventional methods compared with 96% using molecular methods. A wide range of respiratory viruses were detected in the study. There was a high prevalence of RSV (50.3%) infections, particularly group B viruses. Other etiological agents including HAdV, HMPV, IFV-A, PIV 1-3, HBoV, HCoV-OC43 and HEV were detected in 14.5, 9.6, 9.1, 4.8, 3.6, 2.4 and 1.8 percent of the samples, respectively.

    CONCLUSION: Our results demonstrated the increased sensitivity of molecular detection methods compared with conventional methods for the diagnosis of ARTIs in hospitalized children. This is the first report of HMPV infections in Malaysia.

  10. Yubbu P, Kauffman H, Calderon-Anyosa R, Montero AE, Sato T, Matsubara D, et al.
    PMID: 35290534 DOI: 10.1007/s10554-022-02587-y
    The use of untwisting rate as a novel index of LV diastolic function in clinical practice has been limited due to its tedious and time-consuming analysis. Therefore, we simplify the untwist measurement by only measuring the LV apex's recoil rate and validating and applying peak apical recoil rate (PARR) as an index of diastolic dysfunction (DD) in pediatric subjects during increased and decreased lusitropic states. We recruited 153 healthy subjects (mean age 13.8 ± 2.9 years), of whom 48 performed straight leg raising exercise and an additional 46 patients (mean 8.4 ± 5.6 years) with documented pulmonary capillary wedge pressures (PCWP) (validation cohort). In addition, we studied 16 dilated cardiomyopathy patients (mean age 9.5 ± 6.3 years) (application cohort). PARR and isovolumic relaxation time (IVRT) were compared to PCWP. Both PARR and PARR normalized by heart rate (nPARR) were excellent in detecting patients with PCWP ≥ 12 mmHg and greatly superior to IVRT in this respect (AUC: 0.98, 95% CI [0.96, 1.0] vs. AUC: 0.7 95%CI [0.54,0.86]). In DCM patients, PARR and nPARR were greatly decreased compared to controls (- 38.6 ± 18.6º/s vs - 63.1 ± 16.3º /s, p p p p 
  11. Yap MT, Yubbu P, Yong SW, Hing WV, Ong YS, Devaraj NK, et al.
    Med J Malaysia, 2020 09;75(5):494-501.
    PMID: 32918416
    BACKGROUND: The long waiting time for Tetralogy of Fallot (TOF) operation may potentially increase the risk of hypoxic insult. Therefore, the objective of this study is to determine the frequency of acute neurological complications following primary TOF repair and to identify the peri-operative risk factors and predictors for the neurological sequelae.

    METHODS: A retrospective review of the medical and surgical notes of 68 patients who underwent TOF repair in Hospital Serdang, from January 2013 to December 2017 was done. Univariate and multivariate analyses of demographics and perioperative clinical data were performed to determine the risk for the development of acute neurological complications (ANC) among these patients.

    RESULTS: ANC was reported in 13 cases (19.1%) with delirium being the most common manifestation (10/68, 14.7%), followed by seizures in 4 (5.9%) and abnormal movements in two patients (2.9%). Univariate analyses showed that the presence of right ventricular (RV) dysfunction, prolonged duration of inotropic support (≥7 days), prolonged duration of mechanical ventilation (≥7 days), longer length of ICU stays (≥7 days), and longer length of hospital stay (≥14 days), were significantly associated with the presence of ANCs (p<0.05). However, multivariate analyses did not show any significant association between these variables and the development of ANC (p>0.05). The predictors for the development of postoperative delirium were pre-operative oxygen saturation less than 75% (Odds Ratio, OR=16.90, 95% Confidence Interval, 95%CI:1.36, 209.71) and duration of ventilation of more than 7 days (OR=13.20, 95%CI: 1.20, 144.98).

    CONCLUSION: ANC following TOF repair were significantly higher in patients with RV dysfunction, in those who required a longer duration of inotropic support, mechanical ventilation, ICU and hospital stay. Low pre-operative oxygen saturation and prolonged mechanical ventilation requirement were predictors for delirium which was the commonest neurological complications observed in this study. Hence, routine screening for delirium using an objective assessment tool should be performed on these high-risk patients to enable accurate diagnosis and early intervention to improve the overall outcome of TOF surgery in this country.

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