Displaying publications 21 - 40 of 106 in total

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  1. Albahri AS, Zaidan AA, Albahri OS, Zaidan BB, Alsalem MA
    J Med Syst, 2018 Jun 23;42(8):137.
    PMID: 29936593 DOI: 10.1007/s10916-018-0983-9
    The burden on healthcare services in the world has increased substantially in the past decades. The quality and quantity of care have to increase to meet surging demands, especially among patients with chronic heart diseases. The expansion of information and communication technologies has led to new models for the delivery healthcare services in telemedicine. Therefore, mHealth plays an imperative role in the sustainable delivery of healthcare services in telemedicine. This paper presents a comprehensive review of healthcare service provision. It highlights the open issues and challenges related to the use of the real-time fault-tolerant mHealth system in telemedicine. The methodological aspects of mHealth are examined, and three distinct and successive phases are presented. The first discusses the identification process for establishing a decision matrix based on a crossover of 'time of arrival of patient at the hospital/multi-services' and 'hospitals' within mHealth. The second phase discusses the development of a decision matrix for hospital selection based on the MAHP method. The third phase discusses the validation of the proposed system.
    Matched MeSH terms: Heart Diseases/therapy
  2. Shoaib MA, Chuah JH, Ali R, Hasikin K, Khalil A, Hum YC, et al.
    Comput Intell Neurosci, 2023;2023:4208231.
    PMID: 36756163 DOI: 10.1155/2023/4208231
    Cardiac health diseases are one of the key causes of death around the globe. The number of heart patients has considerably increased during the pandemic. Therefore, it is crucial to assess and analyze the medical and cardiac images. Deep learning architectures, specifically convolutional neural networks have profoundly become the primary choice for the assessment of cardiac medical images. The left ventricle is a vital part of the cardiovascular system where the boundary and size perform a significant role in the evaluation of cardiac function. Due to automatic segmentation and good promising results, the left ventricle segmentation using deep learning has attracted a lot of attention. This article presents a critical review of deep learning methods used for the left ventricle segmentation from frequently used imaging modalities including magnetic resonance images, ultrasound, and computer tomography. This study also demonstrates the details of the network architecture, software, and hardware used for training along with publicly available cardiac image datasets and self-prepared dataset details incorporated. The summary of the evaluation matrices with results used by different researchers is also presented in this study. Finally, all this information is summarized and comprehended in order to assist the readers to understand the motivation and methodology of various deep learning models, as well as exploring potential solutions to future challenges in LV segmentation.
    Matched MeSH terms: Heart Diseases*
  3. Ramly M, Ming MF, Chinna K, Suboh S, Pendek R
    PLoS One, 2014;9(10):e110476.
    PMID: 25350669 DOI: 10.1371/journal.pone.0110476
    Many observational studies linked vitamin D to cardiometabolic risks besides its pivotal role in musculoskeletal diseases, but evidence from trials is lacking and inconsistent.
    Matched MeSH terms: Heart Diseases/etiology; Heart Diseases/metabolism; Heart Diseases/epidemiology*
  4. Ong ML, Veerapen K, Chambers JB, Lim MN, Manivasagar M, Wang F
    Int J Cardiol, 1992 Jan;34(1):69-74.
    PMID: 1548111
    We conducted a prospective longitudinal study to determine the nature and prevalence of cardiac abnormalities in systemic lupus erythematosus and to study their natural history and relationship with disease activity. Forty consecutive inpatients with systemic lupus erythematosus were studied during their admission and subsequently 6 to 12 months later. On each occasion a clinical cardiovascular examination was carried out, disease activity was scored using the "Lupus Activity Criteria Count" and a Doppler echocardiographic examination was carried out. 72.5% of patients had an abnormal echocardiogram in the first study while 51.7% were abnormal during the follow-up study. Valvar disease occurred in 37.5% of patients. The mitral valve was most commonly affected. Libman-Sacks endocarditis was rare (2.5%). Pericardial effusions were seen in 36.2% of echocardiograms. The majority (76.0%) of these were associated with hypoalbuminaemia. 80.0% of patients had active disease during the first examination and 41.4% at follow-up. There was no correlation between activity of disease and prevalence of cardiac abnormalities at either examination. We conclude that cardiac disease is common in systemic lupus erythematosus. Prevalence of cardiac abnormality did not correlate with disease activity.
    Matched MeSH terms: Heart Diseases/diagnosis; Heart Diseases/etiology; Heart Diseases/epidemiology*
  5. Koh, K.C., Hong, H.C.
    Malaysian Family Physician, 2018;13(2):29-31.
    MyJurnal
    Cardiovascular symptoms presenting in a patient with dengue fever may post a diagnostic
    dilemma. We describe a case of dengue myocarditis mimicking an acute myocardial infarction in a
    56-year-old woman.
    Matched MeSH terms: Heart Diseases
  6. Leong MC, Latiff HA, Hew CC, Mazlan SL, Osman H
    Echocardiography, 2013 Feb;30(2):E33-5.
    PMID: 23134298 DOI: 10.1111/echo.12044
    An inverted left atrial appendage is a rare phenomenon post cardiac surgery. The lesion presents as an additional mass in the left atrium, which would trigger unnecessary concerns and frequently, a battery of tests. The lesion can be easily diagnosed using echocardiography. We report a case of inverted left atrial appendage in a patient post repair of common arterial trunk. Echocardiographic pictures and features which help to identify this lesion as well as to differentiate it from other possible left atrial mass are described. This article aimed to improve the awareness of sonographers toward this rare but possible post operative lesion.
    Matched MeSH terms: Heart Diseases/etiology; Heart Diseases/surgery; Heart Diseases/ultrasonography*
  7. Yip, C.H
    JUMMEC, 2010;13(1):1-2.
    MyJurnal
    Many researchers studies have shown that stressful life events, from the death of a loved one to the loss of a job, are linked to an increase in certain health problems, particularly heart disease, diabetes, and hypertension. Many people assume that stress leads to cancer as well. Evidence for this, however, is not clear. However, the significance of mind-body interactions in medicine is now increasingly being recognised.(Copied from article.)
    Matched MeSH terms: Heart Diseases
  8. Koh KC, Hong HC
    Malays Fam Physician, 2018;13(2):29-31.
    PMID: 30302181
    Cardiovascular symptoms presenting in a patient with dengue fever may post a diagnostic dilemma. We describe a case of dengue myocarditis mimicking an acute myocardial infarction in a 56-year-old woman.
    Matched MeSH terms: Heart Diseases
  9. Jeevaratnam K, Chadda KR, Huang CL, Camm AJ
    J Cardiovasc Pharmacol Ther, 2018 03;23(2):119-129.
    PMID: 28946759 DOI: 10.1177/1074248417729880
    The development of novel drugs specifically directed at the ion channels underlying particular features of cardiac action potential (AP) initiation, recovery, and refractoriness would contribute to an optimized approach to antiarrhythmic therapy that minimizes potential cardiac and extracardiac toxicity. Of these, K+ channels contribute numerous and diverse currents with specific actions on different phases in the time course of AP repolarization. These features and their site-specific distribution make particular K+ channel types attractive therapeutic targets for the development of pharmacological agents attempting antiarrhythmic therapy in conditions such as atrial fibrillation. However, progress in the development of such temporally and spatially selective antiarrhythmic drugs against particular ion channels has been relatively limited, particularly in view of our incomplete understanding of the complex physiological roles and interactions of the various ionic currents. This review summarizes the physiological properties of the main cardiac potassium channels and the way in which they modulate cardiac electrical activity and then critiques a number of available potential antiarrhythmic drugs directed at them.
    Matched MeSH terms: Heart Diseases/drug therapy; Heart Diseases/metabolism*; Heart Diseases/physiopathology
  10. Mohd Adib MA, Yusof MF, Ahmad Z, Mohd Hasni NH
    J Integr Bioinform, 2012;9(2):195.
    PMID: 22781711 DOI: 10.2390/biecoll-jib-2012-195
    Echocardiogram is an ultrasound image of the heart that demonstrates the size, motion and composition of cardiac structures and is also used to diagnose various abnormalities of the heart including abnormal chamber size, shape and congenital heart disease. Echocardiography provides important morphological and functional details of the heart. Most of the presented automatic cardiac disease recognition systems that use echocardiograms based on defective anatomical region detection. In this paper we present a simple technique for cardiac geometry detection via echocardiogram images which conquer these borders and exploits cues from cardiac structure. To demonstrate the effectiveness of this technique, we present results for cardiac geometry detection through difference intensity of echocardiogram images. We have developed a simple program code for the prediction of cardiac geometry using difference intensity of echocardiogram images. With this code, users can generate node or point for detection of cardiac geometry as ventricle and atrium in size, shape and location.
    Matched MeSH terms: Heart Diseases/pathology; Heart Diseases/ultrasonography
  11. Moein S
    Adv Exp Med Biol, 2010;680:109-16.
    PMID: 20865492 DOI: 10.1007/978-1-4419-5913-3_13
    In this paper, application of Artificial Neural Network (ANN) for electrocardiogram (ECG) signal noise removal has been investigated. First, 100 number of ECG signals are selected from Physikalisch-Technische Bundesanstalt (PTB) database and Kalman filter is applied to remove their low pass noise. Then a suitable dataset based on denoised ECG signal is configured and used to a Multilayer Perceptron (MLP) neural network to be trained. Finally, results and experiences are discussed and the effect of changing different parameters for MLP training is shown.
    Matched MeSH terms: Heart Diseases/diagnosis; Heart Diseases/physiopathology
  12. Yusoff K
    Med J Malaysia, 2005 Jun;60(2):239-45.
    PMID: 16114170
    ALLHAT study is the biggest randomized clinical trial in hypertension ever conducted. Its objective was to ompare the efficacy of newer (calcium channel blocker amlodipine and angiotensin-converting enzyme inhibitor inopril) to the older (diuretic chlorthalidone) antihypertensive agents in the treatment of patients with hypertension. After enrolling 42,000 patients who were followed for an average of 4.9 years, ALLHAT did not find significant differences in the primary end-points between these antihypertenive agents. ALLHAT however found significant differences in the secondary end-points such as heart failure and strokes between chlorthalidone and amlodipine or lisinopril. Based on these and on economic reasons, the investigators unequivocally recommended diuretics as the first line therapy for hypertension. Since its publication, ALLHAT has been much discussed, debated A and opined. The choice of drugs for study, the study design, the conduct of the study and the conclusions drawn by the investigators had all been criticised or controversial. Yet ALLHAT has been widely quoted, commented upon or referred to and it has been instrumental in initiating the JNC VII Guidelines. Thus a thorough understanding of ALLHAT is necessary for clinical practice and in designing and evaluating clinical trials in the future. Moving Points: in Medicine will capture the essence of ALLHAT, discusses its implications to clinical trials and explores its possible impact on the practice of medicine in this country.
    Matched MeSH terms: Heart Diseases/etiology; Heart Diseases/prevention & control*
  13. Chia P, Raman S, Tham SW
    J Obstet Gynaecol Res, 1998 Aug;24(4):267-73.
    PMID: 9798356
    To study the pregnancy outcome of women with acyanotic heart disease.
    Matched MeSH terms: Heart Diseases/complications*; Heart Diseases/physiopathology
  14. Yean Yip Fong A, Wan Ahmad WA, Rosman A, Sim KH
    Circ J, 2012;76(8):1807-10.
    PMID: 22813752
    Matched MeSH terms: Heart Diseases/epidemiology; Heart Diseases/therapy
  15. Chan CW, Yap YN
    Expert Opin Pharmacother, 2018 Dec;19(18):2011-2018.
    PMID: 30345832 DOI: 10.1080/14656566.2018.1536747
    INTRODUCTION: Hyperuricemia has been identified as an independent risk factor for coronary artery disease (CAD). Uric acid lowering therapy could potentially lower the risk of CAD. Conventional treatments have been effective in treating acute gout flares in most patients, but certain options, like NSAIDs could increase the risk of CAD. Area covered: This review covers the aspect of cardiac safety with traditional and new medications used in treating both acute flares and chronic gout according to the most recent international guidelines. Expert opinion: All NSAIDs, not just selective Cox 2 inhibitors, have associated with them different degrees of cardiac risk; therefore, NSAIDs should be avoided when treating patients with underlying CAD. Interleukin-1 inhibitors appear to be safe alternatives for treating cardiac patients who are contraindicated to conventional treatment. Presently, there is a paucity of evidence concerning whether treatment of hyperuricemia could lower the risk of CAD and this must be explored further. It is also important to explore the cardiac safety of plegloticase to better ascertain its safety in CAD patients.
    Matched MeSH terms: Heart Diseases/complications*; Heart Diseases/drug therapy
  16. Brun SP
    Aust J Gen Pract, 2020 2 3;49(1-2):23-31.
    PMID: 32008269 DOI: 10.31128/AJGP-09-19-5081
    BACKGROUND: Primary care physicians are often responsible for the care of people involved in sporting and exercise activities at various competitive levels. Issues confronting the athlete and their primary care physician are the potentially serious risks, responsibilities and challenges facing those involved with sport and physical activity.

    OBJECTIVE: The aim of this article is to address three of the most important challenges currently facing the athlete and primary care physician caring for athletes. The challenges are to recognise the potential risks to the athlete of sustaining a sudden cardiac arrest, sports-related concussion or doping violation in sport, as each of these have serious implications for life, wellbeing, performance and/or reputation. Education and risk mitigation are also essential components of care that will be addressed.

    DISCUSSION: The primary care physician caring for athletes has a pivotal role in ensuring appropriate screening, education and ongoing surveillance to minimise the potentially serious risks facing those involved with physical activity.

    Matched MeSH terms: Heart Diseases/diagnosis; Heart Diseases/physiopathology
  17. Wood D, Asma S, Bettcher D, Wei Chieh JT, Greenland R, Italianer F, et al.
    Glob Heart, 2018 Mar;13(1):37-44.
    PMID: 29248363 DOI: 10.1016/j.gheart.2017.10.002
    Matched MeSH terms: Heart Diseases/epidemiology; Heart Diseases/prevention & control*
  18. Virani SS, Alonso A, Aparicio HJ, Benjamin EJ, Bittencourt MS, Callaway CW, et al.
    Circulation, 2021 Feb 23;143(8):e254-e743.
    PMID: 33501848 DOI: 10.1161/CIR.0000000000000950
    BACKGROUND: The American Heart Association, in conjunction with the National Institutes of Health, annually reports the most up-to-date statistics related to heart disease, stroke, and cardiovascular risk factors, including core health behaviors (smoking, physical activity, diet, and weight) and health factors (cholesterol, blood pressure, and glucose control) that contribute to cardiovascular health. The Statistical Update presents the latest data on a range of major clinical heart and circulatory disease conditions (including stroke, congenital heart disease, rhythm disorders, subclinical atherosclerosis, coronary heart disease, heart failure, valvular disease, venous disease, and peripheral artery disease) and the associated outcomes (including quality of care, procedures, and economic costs).

    METHODS: The American Heart Association, through its Statistics Committee, continuously monitors and evaluates sources of data on heart disease and stroke in the United States to provide the most current information available in the annual Statistical Update. The 2021 Statistical Update is the product of a full year's worth of effort by dedicated volunteer clinicians and scientists, committed government professionals, and American Heart Association staff members. This year's edition includes data on the monitoring and benefits of cardiovascular health in the population, an enhanced focus on social determinants of health, adverse pregnancy outcomes, vascular contributions to brain health, the global burden of cardiovascular disease, and further evidence-based approaches to changing behaviors related to cardiovascular disease.

    RESULTS: Each of the 27 chapters in the Statistical Update focuses on a different topic related to heart disease and stroke statistics.

    CONCLUSIONS: The Statistical Update represents a critical resource for the lay public, policy makers, media professionals, clinicians, health care administrators, researchers, health advocates, and others seeking the best available data on these factors and conditions.

    Matched MeSH terms: Heart Diseases/economics; Heart Diseases/mortality; Heart Diseases/epidemiology*; Heart Diseases/pathology
  19. Kamisah Y, Periyah V, Lee KT, Noor-Izwan N, Nurul-Hamizah A, Nurul-Iman BS, et al.
    Pharm Biol, 2015;53(9):1243-9.
    PMID: 25853965 DOI: 10.3109/13880209.2014.971383
    Virgin coconut oil (VCO) contains high antioxidant activity which may have protective effects on the heart in hypertensive rats.
    Matched MeSH terms: Heart Diseases/etiology; Heart Diseases/metabolism; Heart Diseases/pathology; Heart Diseases/physiopathology; Heart Diseases/prevention & control*
  20. Looi LM
    Histopathology, 1981 Nov;5(6):615-22.
    PMID: 7319480
    Nineteen out of 121 consecutive cardiac biopsies from 107 patients were found to contain amyloid deposits on routine Congo red screening. Seventeen were left atrial appendages removed during mitral valvotomy for chronic rheumatic mitral valve disease while the remaining two were right atrial appendages excised during surgical repair of atrial septal defects. The distribution of amyloid deposits within the atria and their tinctorial characteristics are described. The high prevalence of atrial amyloidosis observed could not be attributed to generalized or senile amyloidosis. The possibility that this is a distinctive localized form of amyloidosis secondary to chronic heart disease is discussed.
    Matched MeSH terms: Heart Diseases/complications*; Heart Diseases/pathology
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