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Journal Article
Jiang, CM, Duangthip D, Auychai P, Chiba M, Folayan M, Hamama H, Kamnoedboon P, Lyons K, Matangkasombut O, Mathu-Muju K, Mathur V, Mei ML, Morgan M, Poolthong S, Morankar R, Srinivasan M, Takahashi T, Yaklai S, Zhang S, Lo E.  2021.  Changes in Oral Health Policies and Guidelines During the COVID-19 Pandemic. Frontiers in Oral Health, 2021/05/21. 2 Abstract
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Lateef, M, Akinsulore A.  2021.  Covid-19: Implications for Corporate Governance and Corporate Social Responsibility (CSR) in Africa, 2021/01/01. 12:139-160. Abstract

The paper examines the implications of COVID-19 for corporate governance and CSR, as well as the responses of corporations in Africa to deal with, support, and complement governments’ efforts in combating the pandemic’s menaces. It outlines some of the challenges and significant improvements that are necessary to shape the future of corporate laws and legal reforms in Africa. The paper concludes that sound corporate governance practice and corporate investment in CSR can help to shape the performance and resilience of corporations in Africa to adverse shocks such as the present COVID-19 pandemic.

Akpa, OM, Okekunle AP, Ovbiagele B, Sarfo FS, Akinyemi RO, Akpalu A, Wahab KW, Komolafe M, Obiako R, Owolabi LF, Ogbole G, Fawale B, Fakunle A, Asaleye CM, Akisanya CO, Hamisu DA, Ogunjimi L, Adeoye A, Ogah O, Lackland D, Uvere EO, Faniyan MM, Asowata OJ, Adeleye O, Aridegbe M, Olunuga T, Yahaya IS, Olaleye A, Calys-Tagoe B, Owolabi MO.  2021.  Factors associated with hypertension among stroke-free indigenous Africans: Findings from the SIREN study, 2021. Journal of Clinical Hypertension. 23(4) Abstract

Hypertension is one of the most important risk factors for stroke and cardiovascular diseases (CVD) globally. Understanding risk factors for hypertension among individuals with matching characteristics with stroke patients may inform primordial/primary prevention of hypertension and stroke among them. This study identified the risk factors for hypertension among community-dwelling stroke-free population in Ghana and Nigeria. Data for 4267 community-dwelling stroke-free controls subjects in the Stroke Investigative Research and Education Network (SIREN) study in Nigeria and Ghana were used. Participants were comprehensively assessed for sociodemographic, lifestyle and metabolic factors using standard methods. Hypertension was defined as a previous diagnosis by a health professional or use of an anti-hypertensive drug or mean systolic blood pressure ≥ 140 mmHg and/or diastolic blood pressure ≥ 90 mmHg. Logistic regression analysis was used to estimate adjusted odds ratios (aOR) of hypertension and their 95% confidence intervals (CI) at p <.05. Overall, 56.7% of the participants were hypertensive with a higher proportion among respondents aged ≥60 years (53.0%). Factors including physical inactivity (aOR: 9.09; 95% CI: 4.03 to 20.53, p <.0001), diabetes (aOR: 2.70; CI: 1.91 to 3.82, p <.0001), being ≥60 years (aOR: 2.22; 95% CI: 1.78 to 2.77, p <.0001), and family history of CVD (aOR 2.02; CI: 1.59 to 2.56, p <.0001) were associated with increased aOR of hypertension. Lifestyle factors were associated with hypertension in the current population of community-dwelling stroke-free controls in west Africa. Community-oriented interventions to address sedentary lifestyles may benefit this population and reduce/prevent hypertension and stroke among them.

Akpa, O, Sarfo FS, Owolabi M, Akpalu A, Wahab K, Obiako R, Komolafe M, Owolabi L, Osaigbovo GO, Ogbole G, Tiwari HK, Jenkins C, Fakunle AG, Olowookere S, Uvere EO, Akinyemi J, Arulogun O, Akpalu J, Tito-Ilori MM, Asowata OJ, Ibinaiye P, Akisanya C, Oyinloye OI, Appiah L, Sunmonu T, Olowoyo P, Agunloye AM, Adeoye AM, Yaria J, Lackland DT, Arnett D, Laryea RY, Adigun TO, Okekunle AP, Calys-Tagoe B, Ogah OS, Ogunronbi M, Obiabo OY, Isah SY, Dambatta HA, Tagge R, Ogenyi O, Fawale B, Melikam CL, Onasanya A, Adeniyi S, Akinyemi R, Ovbiagele B.  2021.  A Novel Afrocentric Stroke Risk Assessment Score: Models from the Siren Study, 2021. Journal of Stroke and Cerebrovascular Diseases. 30(10) Abstract

Background: Stroke risk can be quantified using risk factors whose effect sizes vary by geography and race. No stroke risk assessment tool exists to estimate aggregate stroke risk for indigenous African. Objectives: To develop Afrocentric risk-scoring models for stroke occurrence. Materials and Methods: We evaluated 3533 radiologically confirmed West African stroke cases paired 1:1 with age-, and sex-matched stroke-free controls in the SIREN study. The 7,066 subjects were randomly split into a training and testing set at the ratio of 85:15. Conditional logistic regression models were constructed by including 17 putative factors linked to stroke occurrence using the training set. Significant risk factors were assigned constant and standardized statistical weights based on regression coefficients (β) to develop an additive risk scoring system on a scale of 0–100%. Using the testing set, Receiver Operating Characteristics (ROC) curves were constructed to obtain a total score to serve as cut-off to discriminate between cases and controls. We calculated sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) at this cut-off. Results: For stroke occurrence, we identified 15 traditional vascular factors. Cohen's kappa for validity was maximal at a total risk score of 56% using both statistical weighting approaches to risk quantification and in both datasets. The risk score had a predictive accuracy of 76% (95%CI: 74–79%), sensitivity of 80.3%, specificity of 63.0%, PPV of 68.5% and NPV of 76.2% in the test dataset. For ischemic strokes, 12 risk factors had predictive accuracy of 78% (95%CI: 74–81%). For hemorrhagic strokes, 7 factors had a predictive accuracy of 79% (95%CI: 73–84%). Conclusions: The SIREN models quantify aggregate stroke risk in indigenous West Africans with good accuracy. Prospective studies are needed to validate this instrument for stroke prevention.

Olagunju, A, Adeola F, Olagunoye A, Ojo T, Adefuye B, Fagbamigbe A, Adebiyi A, Olagunju O, Ladipo O, Akinloye A, Adeagbo B, Onayade A, Bolaji O, Happi C, Rannard S, Owen A.  2021.  Efficacy and safety of nitazoxanide plus atazanavir/ritonavir for the treatment of moderate to severe COVID-19 (NACOVID): A structured summary of a study protocol for a randomised controlled trial, 12. Trials. 22 Abstract
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Lyra Jr, H, Collaborative G, Nepogodiev D, Simoes J, Li E, Picciochi M, Glasbey J, Baiocchi G, Blanco-Colino R, Chaudhry D, Alameer E, Elsanhoury K, Funmi W, Ghosh D, Gujjuri R, Harrison E, Lule H, Kaafarani H, Nabian MH, Egbuchulem I.  2021.  Effects of pre-operative isolation on postoperative pulmonary complications after elective surgery: an international prospective cohort study, 08. Anaesthesia. Abstract
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Lyra Jr, H, Collaborative G, Arnaud A, Azevedo J, Bravo A, Chaudhry D, Alameer E, Elsanhoury K, Elhadi M, Emile S, Gallo G, Glasbey J, Isik A, Jones C, Leventoğlu S, Li E, Martin J, Mohan H, Soon WC.  2021.  SARS-CoV-2 infection and venous thromboembolism after surgery: an international prospective cohort study, 08. Anaesthesia. Abstract
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Nepogodiev, D, Baiocchi G, Blanco-Colino R, Wuraola F, Ghosh D, Gujjuri R, Harrison E, Lule H, Kaafarani H, Leventoğlu S, McLean K, Mengesha MG, Faustin N, Outani O, Ots R, Pockney P, Qureshi A, Roslani A, Satoi S, Garcia-moreno F.  2021.  Timing of surgery following SARS-CoV-2 infection: an international prospective cohort study, 06. Anaesthesia. 76:748-758. Abstract
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Lynch, K, Omisore A, Famurewa O, Olasehinde O, Odujoko O, Vera J, Kingham T, Alatise O, Egberongbe A, Morris E, Atkinson T, Sutton E.  2021.  Designing Participatory Needs Assessments to Support Global Health Interventions in Time-Limited Settings: A Case Study From Nigeria, 05. International Journal of Qualitative Methods. 20:160940692110024. Abstract
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Olasehinde, O, Alatise O, Omisore A, Wuraola F, Odujoko O, Romanoff A, Akinkuolie A, Arowolo O, Adisa A, Knapp G, Famurewa O, Omisile I, Onabanjo E, Constable J, Omoniyi‐Esan G, Adesunkanmi A‐R, Lawal O, Kingham T.  2021.  Contemporary management of breast cancer in Nigeria: Insights from an institutional database, 01. International Journal of Cancer. 148 Abstract
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Lozano, R, Fullman N, Mumford J, Knight M, Barthelemy C, Cristiana A, Abbastabar H, Abd-Allah F, Abdollahi M, Abedi A, Abolhassani H, Eshete A, Guimarães Abreu L, Abrigo M, Haimed A, I. Abushouk A, Adabi M, Adebayo O, Adekanmbi V.  2020.  Measuring universal health coverage based on an index of effective coverage of health services in 204 countries and territories, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019, 2020/10/17. 396:1250-1284. Abstract
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Jafarinia, M, Vos T, Lim S, Naghavi M, Murray C, Onwujekwe O, Oancea B, Aravkin A, Zheng P, Cristiana A, Abbas K, Abbasi-Kangevari M, Abd-Allah F, Abdelalim A, Abdollahi M, Abdollahpour I, Abegaz K, Abolhassani H, Aboyans V, Ghajar A.  2020.  Global burden of 369 diseases and injuries in 204 countries and territories, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019, 2020/10/16. 396:1204-1222. Abstract
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Deshpande, A, Miller-Petrie M, Lindstedt P, Baumann M, Johnson K, Blacker B, Abbastabar H, Abd-Allah F, Abdelalim A, Abdollahpour I, Abegaz K, Abejie A, Guimarães Abreu L, Abrigo M, Abualhasan A, Accrombessi M, Adamu A, Adebayo O, Isaac A, Karimi S.  2020.  The global distribution of lymphatic filariasis, 2000–18: a geospatial analysis, 2020/09/01. 8:e1186-e1194. Abstract
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Deshpande, A, Miller-Petrie M, Lindstedt P, Baumann M, Johnson K, Blacker B, Abbastabar H, Abd-Allah F, Abdelalim A, Abdollahpour I, Abegaz K, Abejie A, Guimarães Abreu L, Abrigo M, Abualhasan A, Accrombessi M, Adamu A, Adebayo O, Isaac A, Reiner R.  2020.  Mapping geographical inequalities in access to drinking water and sanitation facilities in low-income and middle-income countries, 2000–17, 2020/09/01. 8:e1162-e1185. Abstract
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James, S, Castle C, Dingels Z, Fox J, Hamilton E, Liu Z, Roberts N, Sylte D, Bertolacci G, Cunningham M, Henry N, LeGrand K, Abdelalim A, Abdollahpour I, Suliankatchi R, Abedi A, Abegaz K, Eshete A, I. Abushouk A.  2020.  Estimating global injuries morbidity and mortality: Methods and data used in the Global Burden of Disease 2017 study, 2020/08/24. 26:injuryprev-2019. Abstract
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Kinyoki, D, Ross J, Lazzar-Atwood A, Munro S, Schaeffer L, Abbasalizad Farhangi M, Abbasi M, Abbastabar H, Abdelalim A, Abdoli A, Abdollahi M, Abdollahpour I, Abdulkader R, Dereje N, Abebo T, Abegaz K, Abolhassani H, Guimarães Abreu L, Abrigo M, Hay S.  2020.  Author Correction: Mapping local patterns of childhood overweight and wasting in low- and middle-income countries between 2000 and 2017, 2020/08/01. 26:1-1. Abstract
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Wiens, K, Lindstedt P, Blacker B, Johnson K, Baumann M, Schaeffer L, Abbastabar H, Abd-Allah F, Abdelalim A, Abdollahpour I, Abegaz K, Abejie A, Guimarães Abreu L, Abrigo M, Abualhasan A, Accrombessi M, Acharya D, Adabi M, Adamu A.  2020.  Mapping geographic inequalities in oral rehydration therapy coverage in low-income and middle-income countries, 2000-17, 2020/07/22. 8:e1038-1060. Abstract
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Kinyoki, D, Ross J, Lazzar-Atwood A, Munro S, Schaeffer L, Abbasalizad Farhangi M, Abbasi M, Abbastabar H, Abdelalim A, Abdoli A, Abdollahi M, Abdollahpour I, Suliankatchi R, Dereje N, Abebo T, Abegaz K, Abolhassani H, Guimarães Abreu L, Abrigo M, Hay S.  2020.  Mapping local patterns of childhood overweight and wasting in low- and middle-income countries between 2000 and 2017, 2020/05/01. 26:1-10. Abstract
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David, R, Badmus T, Salako A, Christianah, Asaleye M, Adeloye D, Fanimi O, Opele J, Laoye A, Akinbola I, Igbokwe M, Babalola R, Chigozie, Onyeze C.  2020.  O R I G I N A L P A P E R Diagnostic performance of transrectal ultrasound for prostate volume estimation in men with benign prostate hyperplasia, 2020/01/01. :13615. Abstract

Background and Aim: Despite transrectal ultrasound (TRUS) being regarded as gold

Sarfo, FS, Ovbiagele B, Gebregziabher M, Akpa O, Akpalu A, Wahab K, Ogbole G, Akinyemi R, Obiako R, Komolafe M, Owolabi L, Lackland D, Arnett D, Tiwari H, Markus HS, Akinyemi J, Oguntade A, Fawale B, Adeoye A, Olugbo O, Ogunjimi L, Osaigbovo G, Jenkins C, Chukwuonye I, Ajose O, Oyinloye L, Mutiso F, Laryea R, Calys-Tagoe B, Salaam A, Amusa G, Olowookere S, Imoh C, Mande A, Arulogun O, Adekunle F, Appiah L, Balogun O, Singh A, Adeleye O, Ogah O, Makanjuola A, Owusu D, Kolo P, Adebayo O, Agunloye A, Shidali V, Faniyan M, Lakoh S, Diala S, Iheonye H, Efidi C, Sanya E, Sunmonu T, Akintunde A, Owolabi M.  2020.  Unraveling the risk factors for spontaneous intracerebral hemorrhage among West Africans, 2020. Neurology. 94(10) Abstract

ObjectiveTo characterize risk factors for spontaneous intracerebral hemorrhage (sICH) occurrence and severity among West Africans.MethodsThe Stroke Investigative Research and Educational Network (SIREN) study is a multicenter case-control study involving 15 sites in Ghana and Nigeria. Patients were adults ≥18 years old with CT-confirmed sICH with age-, sex-, and ethnicity-matched stroke-free community controls. Standard instruments were used to assess vascular, lifestyle, and psychosocial factors. Factors associated with sICH and its severity were assessed using conditional logistic regression to estimate odds ratios (ORs) and population-attributable risks (PARs) with 95% confidence intervals (CIs) for factors.ResultsOf 2,944 adjudicated stroke cases, 854 were intracerebral hemorrhage (ICH). Mean age of patients with ICH was 54.7 ± 13.9 years, with a male preponderance (63.1%), and 77.3% were nonlobar. Etiologic subtypes of sICH included hypertension (80.9%), structural vascular anomalies (4.0%), cerebral amyloid angiopathy (0.7%), systemic illnesses (0.5%), medication-related (0.4%), and undetermined (13.7%). Eight factors independently associated with sICH occurrence by decreasing order of PAR with their adjusted OR (95% CI) were hypertension, 66.63 (20.78-213.72); dyslipidemia, 2.95 (1.84-4.74); meat consumption, 1.55 (1.01-2.38); family history of CVD, 2.22 (1.41-3.50); nonconsumption of green vegetables, 3.61 (2.07-6.31); diabetes mellitus, 2.11 (1.29-3.46); stress, 1.68 (1.03-2.77); and current tobacco use, 14.27 (2.09-97.47). Factors associated with severe sICH using an NIH Stroke Scale score >15 with adjusted OR (95% CI) were nonconsumption of leafy green vegetables, 2.03 (1.43-2.88); systolic blood pressure for each mm Hg rise, 1.01 (1.00-1.01); presence of midline shift, 1.54 (1.11-2.13); lobar ICH, 1.72 (1.16-2.55); and supratentorial bleeds, 2.17 (1.06-4.46).ConclusionsPopulation-level control of the dominant factors will substantially mitigate the burden of sICH in West Africa.

Lynch, K, Omisore A, Atkinson T, Famurewa O, Vera J, Kingham T, Alatise O, Hricak H, Morris E, Sutton E.  2020.  Multistakeholder Needs Assessment to Inform the Development of an mHealth-Based Ultrasound-Guided Breast Biopsy Training Program in Nigeria, 11. JCO Global Oncology. 6:1813-1823. Abstract
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Ijadunola, M, Olotu E, Makhele M, Audu J, Longe M, Lawal S.  2020.  Reproductive health challenges of male and female street beggars and use of reproductive health services by female street beggars in Ife-Ijesa, Nigeria, 07. The European Journal of Contraception & Reproductive Health Care. 25:1-6. Abstract
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Atere, CT, Gunina A, Zhu Z, Liu S, Kuzyakov Y, Chen L, Deng Y, Wu J, Ge T.  2020.  Organic matter stabilization in aggregates and density fractions in paddy soil depending on long-term fertilization: Tracing of pathways by 13C natural abundance. Biology and Biochemistry. 149:107931.
Azeez, MO, Christensen JT, Ravnskov S, Heckrath GJ, Labouriau R, Christensen BT, Rubæk GH.  2020.  Phosphorus in an arable coarse sandy soil profile after 74 years with different lime and P fertilizer applications. Geoderma. 376(2020):1-10.geoderma.pdf