OOIR: Observatory of International Research

Papers

(The TQCC of Cardiovascular Journal of Africa is 2. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-06-01 to 2025-06-01.)

Article	Citations
Changing face of pulmonary embolism with COVID-19	29
Surgical experience in adults with Ebstein’s anomaly: long-term results	14
Association of changes in NT-proBNP, hsTnT and uric acid levels with haemodynamic changes after targeted medical therapies in patients with idiopathic pulmonary arterial hypertension	9
Endovascular treatment of Buerger’s disease in patients with critical limb ischaemia	9
Stubbornly preserving native leaflets is not always right: a case of tricuspid valve re-operation	7
Clinical profile and outcomes of young patients treated with implantable cardioverter defibrillators at a South African tertiary hospital: a review of two decades of implantable cardioverter defibrill	7
Left brachiocephalic vein–right atrial bypass in superior vena cava syndrome	6
A new biomarker to predict atrial fibrillation and its adverse events after coronary artery bypass surgery: red blood cell distribution volume	5
Knowledge, attitude and practice towards therapeutic lifestyle changes in the management of hypertension in Khartoum State	5
Impact of the COVID-19 pandemic on cardiology fellowship training in a sub-Saharan African training centre: an African perspective	5
Assessment of papillary muscle free strain in hypertrophic cardiomyopathy and hypertension-induced left ventricular hypertrophy	5
Alternative treatment of tricuspid valve vegetations	5
Awareness of heart failure and perception of the problem in the general population	5
The effects on clinical outcomes of administering medications together or separately in prolonged dual antiplatelet therapy after peripheral revascularisation	5
Systemic immune–inflammation index, and neutrophilto-lymphocyte and platelet-to-lymphocyte ratios can predict clinical outcomes in patients with acute coronary syndrome	4
Investigation of left ventricular changes according to valve type in patients with surgical replacement due to isolated aortic stenosis	4
Peri-operative echocardiography for lung transplantation in a critical patient with COVID-19	4
Assessment of pacemaker lead-related infective endocarditis with three-dimensional echocardiography and cardiac computed tomography	4
Identifying the optimal monopolar electrocautery output power in pedicular internal thoracic artery harvesting: 20 or 40 watts?	3
Role of nuclear factor kappa-B in TNF-induced cytoprotection	3
Association between salt sensitivity and blood pressure variability in patients with essential hypertension and predictive value for cardiovascular events	3
Evaluation of clinical results of esmarch bandage application in giant saphenous vein closure during endovenous glue ablation	3
A 10-year retrospective analysis of the clinical profile and outcomes of infective endocarditis at a tertiary hospital in KwaZulu-Natal, South Africa	3
Empagliflozin significantly prevents QTc prolongation due to amitriptyline intoxication	3
The non-negligible association between SYNTAX score and anxiety–depressive disorders	3

A retrospective study: efficacy of an originator versus a generic formulation of simvastatin in patients who suffer from hyperlipidaemia	3
Assessment of left atrial morphological and functional differences in professional male football players: a prospective, case–control study	3
Mycotic abdominal aortic aneurysm: two cases caused by Salmonella enterica	3
The use of strain-gauge plethysmography in the functional assessment of chronic venous disease: five-year experience at a single centre	3
Assessment of P- to delta-wave interval and its relationship with accessory pathway properties in patients with pre-excitation	3
Fatal pulmonary oedema associated with severe pre-eclampsia: challenges and lessons	2
A three-year audit of pregnancy outcomes in women with pulmonary hypertension admitted to the high-risk obstetric unit at Inkosi Albert Luthuli Central Hospital, KwaZulu-Natal, South Africa	2
A cross-sectional study of the spectrum, aetiology and clinical characteristics of adult mitral valve disease at Chris Hani Baragwanath Academic Hospital	2
Effect of lactate levels on extubation time in coronary artery bypass grafting surgery	2
Repetitive use of levosimendan in clinical practice: a case series	2
A rare endocrine cause of ventricular tachycardia: a case series of two patients and a literature review	2
PRELP promotes myocardial fibrosis and ventricular remodelling after acute myocardial infarction by the wnt/β–catenin signalling pathway	2
Profile of adult patients presenting for rheumatic mitral valve surgery at a tertiary academic hospital	2
Profile and management of acute coronary syndromes at primary- and secondary-level healthcare facilities in Cape Town	2
Vascular health assessment with flow-mediateddilatation and retinal image analysis: a pilot study in anadult population from Cape Town	2
Response to ibutilide and the long-term outcome after catheter ablation for non-paroxysmal atrial fibrillation	2
The Healthy Aging Adult South Africa report card: a systematic review of the evidence between 2013 and 2020 for middle-aged South African men and women	2
A report card for healthy aging in South Africa	2
The relationship between gender and systemic immune–inflammation index in patients with new-onset essential hypertension	2
Identification and treatment of asymptomatic central venous catheter thrombosis after TAVI	2
The role of immature platelet count and immature platelet fraction in determining the need for transfusion in patients undergoing CABG	2