OOIR: Observatory of International Research

Papers

(The TQCC of Cardiovascular Journal of Africa is 1. 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 2021-02-01 to 2025-02-01.)

Article	Citations
Changing face of pulmonary embolism with COVID-19	18
A comparison of two different management plans forpatients requiring both carotid endarterectomy andcoronary artery bypass grafting	12
Epidemiology and management of heart failure with reduced ejection fraction in a Tunisian university hospital	8
A report card for healthy aging in South Africa	8
Fatal pulmonary oedema associated with severe pre-eclampsia: challenges and lessons	6
The spectrum, prevalence and in-hospital outcomes of cardiovascular diseases in a South African district hospital: a retrospective study	5
Cardiovascular view of intermediate and high-riskCOVID-19 patients: single-centre experience with lowmortality and intensive care hospitalisation rates	5
Effect of mitral valve replacement on left ventricularfunction in subjects with severe rheumatic mitralregurgitation	5
Radiation exposure protection: small things matter	5
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	4
Exacerbation of severe constrictive pericarditis afterprior inadequate pericardiectomy	4
Pre-operative neurodevelopmental assessment in young children undergoing cardiac surgery in central South Africa: feasibility and clinical value	3
A strategy to improve adherence to guidelinedirected medical therapy (GDMT) and the role of the multidisciplinary team in a heart-failure programme	3
Profile of adult patients presenting for rheumatic mitral valve surgery at a tertiary academic hospital	3
Permanent His bundle pacing using a Biotronik styletdriven lead: feasibility and early outcomes from a single centre	3
Correlation between mitral valve area and left atrial function in rheumatic mitral valve stenosis patients	3
Very rare malposition of central venous catheter in cardiac surgery patients	3
Impact of diabetes mellitus on the frequency of postoperative complications after carotid endarterectomy	3
Efficacy of amiodarone for the prevention of atrial fibrillation recurrence after cardioversion	3
Assessing volumetric changes in abdominal aortic aneurysms following endovascular repair	3
Successful retrieval of an entrapped and uncoiled guide wire using a wire-cutting technique	3
CircRNA-mediated pathology: a new preliminary insight into the mechanism of type II cardio-renal syndrome	3
Percutaneous coronary intervention facilities in Nigeria	3
Prevalence, patterns and predictors of dyslipidaemia in Nigeria: a report from the REMAH study	3
The importance of baseline fractional flow reserve to detect significant coronary artery stenosis in different patient populations	3

Disparities in patients’ understanding of cardiovascular disease management	2
Coronary artery bypass grafting in a patient with situs inversus totalis	2
Surgical experience in adults with Ebstein’s anomaly: long-term results	2
Nine-year, single-centre experience of left atrial appendage occlusion: patient characteristics, procedural outcomes and long-term follow up	2
Hybrid rotablation and drug-eluting balloon strategy	2
First Malian series of surgery for rheumatic valve disease: opening of the centre, clinical features and peri-operative realities	2
Endovascular treatment of Buerger’s disease in patients with critical limb ischaemia	2
The modulating effects of green rooibos (Aspalathuslinearis) extract on vascular function and antioxidantstatus in obese Wistar rats	2
Awareness of heart failure and perception of the problem in the general population	2
Prosthetic heart valve thrombosis in pregnancy: a case series on acute management	2
Resurgence of Shoshin beriberi during the COVID-19 pandemic	2
The effectiveness of vacuum-assisted closure therapy in patients with infected venous leg ulcers	2
A clinical conundrum: review of anticoagulation in pregnant women with mechanical prosthetic heart valves	2
A cross-sectional study of the spectrum, aetiology and clinical characteristics of adult mitral valve disease at Chris Hani Baragwanath Academic Hospital	2
Ethopia Country Report PASCAR and WHF Cardiovascular Diseases Scorecard project	2
Epicardial fat thickness assessment by multi-slice computed tomography for predicting cardiac outcomes in patients undergoing transcatheter aortic valve implantation	2
Stubbornly preserving native leaflets is not always right: a case of tricuspid valve re-operation	2
Resistivity index in the diagnosis and assessment of loss of renal function in diabetic nephropathy	2
Pericardial SCUBE1 levels may help predict postoperative results in patients operated on for coronary artery bypass graft surgery	2
Repetitive use of levosimendan in clinical practice: a case series	1
The use of brachiobasilic arteriovenous fistulae for haemodialysis: a single-centre descriptive study	1
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	1
The effect of single aortic cross-clamp technique versus multiple clamp technique on postoperative stroke in octogenarians undergoing coronary artery bypass grafting	1
Association between apelin-12 and creatine kinase-MB, depending on success of reperfusion in STEMI patients	1
Surgical treatment of left atrial dissection caused by percutaneous coronary intervention	1
Profile and management of acute coronary syndromes at primary- and secondary-level healthcare facilities in Cape Town	1
2022 SASCI/SCTSSA joint consensus statement and guideline on transcatheter aortic valve implantation (TAVI) in South Africa	1
Assessment of papillary muscle free strain in hypertrophic cardiomyopathy and hypertension-induced left ventricular hypertrophy	1
Effect of lactate levels on extubation time in coronary artery bypass grafting surgery	1
Acute coronary syndrome complicated by cardiogenic shock in a young adult: a case report from Dakar, Senegal	1
Feasibility of focused cardiac ultrasound training for non-cardiologists in a resource-limited setting using a handheld ultrasound machine	1
Aneurysmal degeneration in the Omniflow II biosynthetic vascular graft	1
Ventricular septal defect closure using radial incision of the tricuspid valve for exposure: is it really necessary?	1
Characteristics and immediate outcomes of patients who underwent percutaneous balloon mitral valvuloplasty at the Jakaya Kikwete Cardiac Institute, Tanzania	1
Prevalence and associated risk factors for elevated blood pressure in young adults in South Africa	1
Evaluation of the effect of different block techniques on open-heart surgery in the postoperative period: a prospective observational study	1
Identification and treatment of asymptomatic central venous catheter thrombosis after TAVI	1
Vascular health assessment with flow-mediateddilatation and retinal image analysis: a pilot study in anadult population from Cape Town	1
Influence of verapamil on pressure overload-induced ventricular arrhythmias by regulating gene-expression profiles	1
Left brachiocephalic vein–right atrial bypass in superior vena cava syndrome	1
Comparison of the improvement of flow-mediateddilatation in patients with acute coronary syndromeversus stable angina after six-month cardiacrehabilitation	1
Is the transradial approach associated with decreased acute kidney injury following percutaneous coronary intervention in patients not complicated by major bleeding and haemodynamic disturbance?	1
A rare endocrine cause of ventricular tachycardia: a case series of two patients and a literature review	1
Study of congenital heart defects among neonates in Jos, Nigeria: prevalence and spectrum	1
Factors associated with acute kidney injury and mortality during cardiac surgery	1
Response to ibutilide and the long-term outcome after catheter ablation for non-paroxysmal atrial fibrillation	1
Pregnancy in women with cardiac disease: a one-year retrospective review of management and maternal and neonatal outcomes in a tertiary hospital in Johannesburg, South Africa	1
National prevalence of coronary heart disease andstroke in South Africa from 1990–2017: a systematicreview and meta-analysis	1
Atrial high-rate episodes: a comprehensive review	1
A new biomarker to predict atrial fibrillation and its adverse events after coronary artery bypass surgery: red blood cell distribution volume	1

Knowledge, attitude and practice towards therapeutic lifestyle changes in the management of hypertension in Khartoum State	1
Association of premature ventricular complex burden with elevated left ventricular filling pressure	1
Fire at the gate ruins fish: pulmonary embolism caused by right atrial myxoma	1
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	1
Long-term blood pressure trajectories and associations with age and body mass index among urban women in South Africa	1
The optimal diagnosis and treatment of intravenous leimyomatosis	1
The role of inflammatory parameters in the prediction of postoperative delirium in patients undergoing coronary artery bypass grafting	1
Association between the serum lipoprotein-associated phospholipase A2 level and acute coronary syndrome	1