Research Articles (Cardiology)

The South African SHARE-TAVI registry : incidence and risk factors leading to conduction disturbances requiring permanent pacemaker implantation

Du Toit, Rudolf; Doubell, Anton; Abelson, Mark; Hellig, Farrel; Horak, Adie; Mabin, Thomas; Klug, Eric; Schaafsma, Elizabeth; Van Wyk, Jacques; Scherman, Jacques; Ntsekhe, Mpiko; Weich, Hellmuth (South African Heart Association, 2021)

Background: One of the most common complications post transcatheter aortic valve implantation (TAVI) is the development of heart block requiring permanent pacemaker implantation (PPM). The incidence of PPM in international ...

The hidden continuum of HIVassociated cardiomyopathy : a focussed review with case reports

Robbertse, Pieter-Paul; Doubell, Anton; Nachega, Jean; Herbst, Philip (South African Heart Association, 2021)

ENGLISH ABSTRACT: HIV-associated cardiomyopathy (HIVAC) is a poorly understood group of diseases with a poor prognosis once ventricular dysfunction is present. Cardiovascular magnetic resonance has revealed a previously ...

An evaluation of informed consent comprehension by adult trial participants in South Africa at the time of providing consent for clinical trial participation and a review of the literature

Burgess, Lesley Jean; Gerber, Berna; Coetzee, Kathleen; Terblanche, Marli; Agar, Gareth; Kotze, Theunis J. V. W. (Dove Medical Press, 2019)

Introduction: The informed consent process is a fundamental part of clinical trials and is driven by both a legal and ethical agenda. The process may be seriously compromised if trial participants sign the informed consent ...

An unusual complication after mitral valve repair

Kabwe, Lorrita; Weich, Hellmuth; Pecoraro, Alfonso (South African Heart Association, 2019)

ENGLISH ABSTRACT: A 22-year-old lady presented to the outpatient department with new onset dyspnoea and effort intolerance. She had a prior history of successful mitral valve repair 5 years previously for symptomatic severe ...

Interventional cardiology during the COVID-19 epidemic

Weich, Hellmuth; Hitzeroth, Jens; Khan, Sajidah; Kettles, David; Vachiat, Ahmed; Ntsekhe, Mpiko (South African Heart Association, 2020)

ENGLISH ABSTRACT: The impact of the COVID-19 pandemic on our lives is unprecedented and major adjustments to our practices as physicians are required. Although our comments are applicable at the time of writing, the situation ...

Arrhythmias and COVID-19 infection

Chin, Ashley; Moses, Jane; Thornton, Andrew (South African Heart Association, 2020)

ENGLISH ABSTRACT: Arrhythmias can be a clinical manifestation of COVID-19 infection. COVID-19 infection can also be a precipitant of known arrhythmias which can increase the risk of morbidity and mortality. Management of ...

Developing a new electrophysiology service and training platform - narrowing the gap

Moses, Jane; Doubell, Anton (South African Heart Association, 2020)

No abstract available.

COVID-19 and cardiovascular imaging : a guide for the practising clinician

Meel, Ruchika; Cupido, Blanche; Pecoraro, Alfonso; Doubell, Anton; Lubbe, Wayne; Ntusi, Ntobeko A. B. (South African Heart Association, 2020)

ENGLISH ABSTRACT: In the ongoing COVID-19 pandemic, patients with cardiac disease have been the worst affl icted with a high mortality. Cardiac imaging forms an integral part of the armamentarium in the management of ...

Flower cells in patient with HTLV1 associated adult T-cell leukaemia/lymphoma

John, T. J.; Abdullah, I.; John, K. (Oxford University Press, 2020-10-04)

ENGLISH ABSTRACT: No abstract available.

Predictors of 1-year survival in South African transcatheter aortic valve implant candidates

Liebenberg, J. J.; Doubell, A.; Van Wyk, J.; Kidd, M.; Mabin, T.; Weich, H. (Health & Medical Publishing Group, 2020)

Background. Transcatheter aortic valve implantation (TAVI) has undergone rapid expansion internationally over the past 15 years. In view of resource constraints in developing countries, a major challenge in applying this ...

Chronic coronary syndromes - time to reassess the evidence

Kyriakakis, Charles (South African Heart Association, 2018)

No abstract available.

The left atrial appendage - a design flaw or an essential structure

Doubell, Anton (South African Heart Association, 2018)

ENGLISH ABSTRACT: The left atrial appendage (LAA) is considered to be a vestigial remnant of the primitive foetal atrium. It has also been identified as the source of the majority of left atrial thrombi in nonvalvular ...

An unusual cause for a dilated right heart 33-years post-surgical repair of aortic coarctation

Kyriakakis, Charles G.; Van Rensburg, Annari; Ntusi, Ntobeko A. B.; Janson, Jacques; Herbst, Philip G.; Doubell, Anton F. (South African Heart Association, 2018)

Prior to planning for the surgical correction of a congenital cardiac defect it is of the utmost importance that additional defects, which themselves might also require surgical correction, be sought and identified. Of ...

Inter-scallop separations of the posterior leaflet of the mitral valve : an important cause of pathological mitral regurgitation in rheumatic heart disease screening

Hunter, L. D.; Monaghan, M.; Lloyd, G.; Pecoraro, A. J. K.; Doubell, A. F.; Herbst, P. G. (BioScientifica, 2018)

The 2012 World Heart Federation (WHF) criteria for echocardiographic diagnosis of rheumatic heart disease (RHD) identify that the finding of ‘pathological’ mitral regurgitation (MR) in a screened individual increases the ...

Atrialised right ventricular myxoma in a patient with Ebstein’s anomaly

John, T. J.; Snyman, H. W.; Janson, J.; Pecoraro, A. J. K. (BioScientifica, 2018)

Ebstein’s anomaly is a rare entity affecting around 1 in 200,000 live births and accounts for less than 1% of congenital heart diseases. Ebstein’s anomaly with an associated right-sided myxoma is extremely rare, with only ...

Transcatheter aortic valve in mitral annular calcifi cation (TAV-in-MAC) : a new treatment option for mitral valve replacement in patients with severe annular calcification

Weich, Hellmuth; Van Wyk, Jacques; Hofmeyr, Lou; Vogts, Carl (South African Heart Association, 2019)

ENGLISH ABSTRACT: Severe mitral annular calcification is not an uncommon occurrence in the elderly and up to now, this has often precluded surgical replacement of the mitral valve. Initial attempts at percutaneous placement ...