Publications by authors named "Mahmoud U Sani"

Introduction: Severe acute symptomatic hypocalcemia, requiring emergency medical intervention, is a significant but poorly understood condition with high morbidity. In our setting, patients present to emergency rooms with painful carpo-pedal spasms that last for several hours, sometimes mimicking seizure disorders. Metabolomics and genetic profiling are innovative approaches that pinpoint molecular and genetic determinants of hypocalcemia risk which can be adopted to guide treatment in our population.

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Article Synopsis
  • - This study focuses on the increased risk of cardiovascular diseases, specifically right ventricular (RV) dysfunction, in people living with HIV (PLWH) in northwest Nigeria, emphasizing the need for more research in low- and middle-income settings.
  • - Researchers conducted a retrospective analysis of 330 adults, including HIV-positive individuals and age- and sex-matched HIV-negative controls, using advanced imaging techniques to evaluate heart function.
  • - Results indicated that 14.5% of HIV-positive participants showed signs of RV dysfunction, linked to factors like age and left ventricular ejection fraction, while no HIV-negative participants exhibited such dysfunction.
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Introduction: hypertension is a major public health problem globally. The occurrence has been associated with unhealthy lifestyles (such as high salt consumption, physical inactivity, excessive intake of alcohol and unhealthy diet), which are very critical for hypertension control. The study was conducted to assess the lifestyle practices and their determinants among adults with hypertension in Nigeria.

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Importance: With the high burden of hypertension in sub-Saharan Africa, there is a need for effective, safe and scalable treatment strategies.

Objective: To compare, among Black African adults, the effectiveness and safety of a novel low-dose triple-pill protocol compared with a standard-care protocol for blood pressure lowering.

Design And Setting: Randomized, parallel-group, open-label, multicenter trial conducted in public hospital-based family medicine clinics in Nigeria.

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Background And Aims: INTERASPIRE is an international study of coronary heart disease (CHD) patients, designed to measure if guideline standards for secondary prevention and cardiac rehabilitation are being achieved in a timely manner.

Methods: Between 2020 and 2023, adults hospitalized in the preceding 6-24 months with incident or recurrent CHD were sampled in 14 countries from all 6 World Health Organization regions and invited for a standardized interview and examination. Direct age and sex standardization was used for country-level prevalence estimation.

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Background: Blood pressure (BP) control among treated patients in Africa is very suboptimal, with low levels of combination therapy use and therapeutic inertia being among the major barriers to effective control of hypertension. The VERONICA-Nigeria study aims to evaluate, among Black African adults with hypertension, the effectiveness and safety of a triple pill-based treatment protocol compared to Nigeria hypertension treatment protocol (standard care protocol) for the treatment of hypertension.

Methods: This study involves a randomized, parallel-group and open-label trial.

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Background And Objective: Married adolescents face significant obstacles in making informed reproductive health decisions and accessing sexual and reproductive health (SRH) services. It is important to identify barriers hindering these adolescents from accessing SRH services. The aim of this study was to identify factors associated with the utilization of SRH services among married adolescent girls in northern Nigeria.

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As persons with HIV live longer as the result of antiretroviral therapy, morbidity from HIV-associated noncommunicable diseases (NCDs) is increasing. The Vanderbilt-Nigeria Building Research Capacity in HIV and Noncommunicable Diseases program is a training platform created with the goal of training a cohort of successful Nigerian investigators to become leaders in HIV-associated NCD research. We describe survey findings from two week-long workshops in Kano, Nigeria, where trainees received instruction in implementation science and grant writing.

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Background: Endothelial dysfunction constitutes an early pathophysiological event in atherogenesis and cardiovascular disease. This study aimed to assess the prevalence, determinants, and degree of endothelial dysfunction in antiretroviral therapy (ART)-treated people living with HIV (PLWH) in northwestern Nigeria using brachial flow-mediated dilatation (FMD).

Methods: This was a comparative, cross-sectional study.

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Background:  Prehypertension is associated with an increased risk of cardiovascular morbidity and mortality. This risk could partly be explained by the early compromise in left ventricular (LV) structure and function. This study investigated the LV geometry and function in young black prehypertensive subjects.

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Background: Poor medication adherence leads to poor health outcomes and increased healthcare costs among patients with heart failure (HF). This study aimed to objectively assess medication adherence by measuring carvedilol and enalaprilat plasma concentrations among patients with HF.

Methods: The present sub-study of the Safety, Tolerability, and Efficacy of Rapid Optimization, helped by NT-proBNP testing, of Heart Failure therapies (STRONG-HF) study involved adult patients with acute HF admitted in two Mozambican and two Nigerian hospitals who were not optimally treated with oral enalapril and carvedilol.

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Purpose Of Review: Cardiovascular diseases (CVDs) are a leading cause of morbidity and mortality globally with an accelerated increase in CVD‑related death in Africa and other low‑middle‑income countries. This review is aimed at highlighting the burden of coronary artery disease CAD, its peculiarities as well as challenges of management in sub-Saharan Africa.

Recent Findings: Recent data revealed a shift from high incidence of CVDs associated with poverty and malnutrition (such as rheumatic heart disease) initially, which are now falling, to rising incidence of other non-communicable CVDs (such as hypertension, coronary artery disease (CAD), and heart failure).

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In sub-Saharan Africa, little is known about pulmonary hypertension in left heart disease (PH-LHD). We used multivariate logistic and cox-hazard proportional regression models to examine factors associated with increased right ventricular systolic pressure (RVSP) and the effect of real-world HIV status scenarios on 6-month survival rate in the Pan African Pulmonary Hypertension Cohort (PAPUCO) study, a prospective cohort from four African countries. Exposure to biomass fuel smoke (aOR, 95%CI 3.

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Introduction: Atrial fibrillation (AF) is one of the most prevalent sustained arrhythmias that is seen in clinical practice. AF commonly coexists with heart failure (HF) and there is growing evidence that it confers an adverse prognostic impact on the natural course of the disease. We set out to describe the prevalence and clinical profile of HF patients with AF in Aminu Kano Teaching Hospital (AKTH), Kano, Nigeria.

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The Nigerian Cardiovascular Symposium is an annual conference held in partnership with cardiologists in Nigeria and the diaspora to provide updates in cardiovascular medicine and cardiothoracic surgery with the aim of optimising cardiovascular care for the Nigerian population. This virtual conference (due to the COVID-19 pandemic) has created an opportunity for effective capacity building of the Nigerian cardiology workforce. The objective of the conference was for experts to provide updates on current trends, clinical trials and innovations in heart failure, selected cardiomyopathies such as hypertrophic cardiomyopathy and cardiac amyloidosis, pulmonary hypertension, cardiogenic shock, left ventricular assist devices and heart transplantation.

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Background: Data characterizing risk factors and long-term outcome studies on human immunodeficiency virus (HIV)-associated pulmonary hypertension (PH) in Africa are lacking.

Methods: The Pan African Pulmonary Hypertension Cohort, a multinational registry of 254 consecutive patients diagnosed with PH (97% of African descent) from 9 centers in 4 African countries was implemented. We compared baseline characteristics and 3-year survival of an HIV-infected cohort newly diagnosed with PH (PH/HIV) to an HIV-uninfected cohort with PH (PH/HIV).

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A nation's health and economic development are inextricably and synergistically connected. Stark differences exist between wealthy and developing nations in the use of cardiac implantable electronic devices (CIEDs). Cardiovascular disease is now the leading cause of death in low- and middle-income countries (LMIC), with a significant burden from rhythm-related diseases.

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Background: The effect of 3 commonly recommended combinations of anti-hypertensive agents-amlodipine plus hydrochlorothiazide (calcium channel blocker [CCB]+thiazide), amlodipine plus perindopril (CCB+ACE [angiotensin-converting enzyme]-inhibitor), and perindopril plus hydrochlorothiazide (ACE-inhibitor+thiazide) on blood pressure variability (V) are unknown.

Methods: We calculated the blood pressure variability (BPV) in 405 patients (130, 146, and 129 randomized to ACE-inhibitor+thiazide, CCB+thiazide, and CCB+ACE-inhibitor, respectively) who underwent ambulatory blood pressure monitoring after 6 months of treatment in the Comparisons of Three Combinations Therapies in Lowering Blood Pressure in Black Africans trial (CREOLE) of Black African patients. BPV was calculated using the SD of 30-minute interval values for 24-hour ambulatory BPs and for confirmation using the coefficient of variation.

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Introduction: Statistical analysis programs require coding experience and a basic understanding of programming, skills which are not taught as part of medical school or residency curricula.

Methods: We conducted a five-day course for early-career Nigerian physician-scientists interested in learning common statistical tests and acquiring R programming skills. The workshop included didactic presentations, small group learning activities, and interactive discussions.

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Background: Nigeria's healthcare system capacity to stem the increasing trend in hypertension is limited in coverage, scope and manpower. Use of trained community-based care providers demonstrated to be an effective complement in improving access to, and supporting healthcare delivery has not been adequately examined for hypertension care in Nigeria. This study is proposed to evaluate the effectiveness of using trained community-oriented resource persons (CORPs) to improve hypertension control in Nigeria.

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Background Coronary artery disease was hitherto a rarity in Africa. Acute coronary syndrome (ACS) accounts for coronary artery disease-related morbidity and mortality. Reports on ACS in Africa are few.

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Introduction: Few structured mentoring programs target early-stage investigators in Africa, creating a gap in mentorship skills where HIV burden is greatest. We describe findings from a Nigeria-based workshop for early-career physician scientists to build mentoring and leadership capacity in HIV and noncommunicable disease research.

Methods: Baseline surveys captured participant demographics, confidence in implementing mentoring competencies, and perceived importance of workshop training domains.

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