Browsing by Author "Gyamfi, J."

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Co-infections of SARS-CoV-2 with respiratory syncytial virus and human influenza A in patients with symptoms of COVID-19 in Ghana: A retrospective study
(New Microbes and New Infections, 2024-08-19) Duedu, O.K.; Gyamfi, J.; Ayivor-Djanie, R.; Afenya, G.; Agbuglah, B.I.; Agbogli, K.H.; Essandoh, P.; Kugbemanya, S.; Adiku, K.T.
Background: During the COVID-19 pandemic the aetiology of respiratory illnesses were narrowed to SARS-CoV-2. This prevented diagnosis of other pathogens and patients were not notified of the accurate diagnosis of their illnesses when SARS-CoV-2 was absent. It is therefore important to look back and determine what else was present but was missed. Objective: This retrospective study sought to gain insights into prevalence of respiratory syncytial virus (RSV) and influenza A alongside SARS-CoV-2 in patients who reported with clinical symptoms of respiratory illnesses. Methods: Samples from patients who had reported of respiratory symptoms were selected at random from a pool. RNA was extracted and RT-PCR was performed for SARS-CoV-2, RSV and Influenza A in parallel. Data on the clinical symptoms was extracted from case-base forms and analysed. Results: Of the 400 symptomatic samples tested, prevalence of SARS-CoV-2, influenza A and RSV was 20.3 %, 2.0 % and 0.5 % respectively. Only one sample tested positive for SARS-CoV-2 and influenza A. About 77 % of the symptomatic cases did not test positive for any of the three agents. Cough (79 %) was the most common symptom followed by fever and chills, headache, sore throat and runny nose. Conclusion: The large proportion of symptomatic cases that tested negative for all three respiratory viruses raises a flag and a need for more investigations into the actual burden of respiratory aetiologic agents during the pandemic. With the low levels of co-infections, parallel testing may not be needed however, a strong case for multiplex tests for respiratory agents exists.
A Concept Mapping Study of Physicians’ Perceptions of Factors Influencing Management and Control of Hypertension in Sub-Saharan Africa
(Hindawi Publishing Corporation, 2015-09) Iwelunmor, J.; Blackstone, S.; Gyamfi, J.; Airhihenbuwa, C.; Plange-Rhule, J.; Tayo, B.; Adanu, R.; Ogedegbe, G.
Hypertension, once a rare problem in Sub-Saharan Africa (SSA), is predicted to be a major cause of death by 2020 with mortality rates as high as 75%. However, comprehensive knowledge of provider-level factors that influence optimal management is limited. The objective of the current study was to discover physicians’ perceptions of factors influencing optimal management and control of hypertension in SSA. Twelve physicians attending the Cardiovascular Research Training (CaRT) Institute at the University of Ghana, College of Health Sciences, were invited to complete a concept mapping process that included brainstorming the factors influencing optimal management and control of hypertension in patients, sorting and organizing the factors into similar domains, and rating the importance and feasibility of efforts to address these factors.Thehighest ranked important and feasible factors include helping patients accept their condition and availability of adequate equipment to enable the provision of needed care.The findings suggest that patient self-efficacy and support, physician-related factors, policy factors, and economic factors are important aspects that must be addressed to achieve optimal hypertension management. Given the work demands identified by physicians, future research should investigate cost-effective strategies of shifting physician responsibilities to well-trained no-physician clinicians in order to improve hypertension management.