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Articles 31 - 60 of 9523
Full-Text Articles in Medicine and Health Sciences
Cross-Ancestry Polygenic Risk Scores Enhance Alzheimer's Disease Risk Prediction In Multiethnic Cohorts, Meri Okorie, Caroline Jonson, Alexis Oddi, Patricia Castruita, Brian Fulton-Howard, Kristine Yaffe, Jennifer Yokoyama, Chinedu Momoh, Shea Andrews
Cross-Ancestry Polygenic Risk Scores Enhance Alzheimer's Disease Risk Prediction In Multiethnic Cohorts, Meri Okorie, Caroline Jonson, Alexis Oddi, Patricia Castruita, Brian Fulton-Howard, Kristine Yaffe, Jennifer Yokoyama, Chinedu Momoh, Shea Andrews
Brain and Mind Institute
INTRODUCTION Genome-wide association studies (GWAS) have identified 80+ genetic loci associated with Alzheimer's disease (AD), enabling the development of polygenic risk scores (PRS). However, the predictive accuracy of PRS in diverse populations remains low. Here, we evaluated the predictive accuracy of single-, multi-, and cross-ancestry AD-PRS models across multi-ancestral populations.
METHODS We used AD GWAS summary statistics from European, African, Admixed American, and East Asian populations to construct AD-PRS for each target population. Model performance was assessed by estimating odds ratios, R2, and area under the curve.
RESULTS The cross-ancestry Bayesian PRS model demonstrated the highest predictive performance in non-European …
Two Years Of Ocrelizumab Treatment In Black And Hispanic People With Multiple Sclerosis In Chimes: A Single-Arm Clinical Trial, Lilyana Amezcua, Anthony Reder, Evanthia Bernitsas, Nancy Monson, Timothy Vartanian, Gregory Wu, Mansoor Saleh, Annette Okai, Ahmed Obeidat, Dilraj Sokhi
Two Years Of Ocrelizumab Treatment In Black And Hispanic People With Multiple Sclerosis In Chimes: A Single-Arm Clinical Trial, Lilyana Amezcua, Anthony Reder, Evanthia Bernitsas, Nancy Monson, Timothy Vartanian, Gregory Wu, Mansoor Saleh, Annette Okai, Ahmed Obeidat, Dilraj Sokhi
Haematology and Oncology, East Africa
Objective To evaluate the effectiveness and safety of ocrelizumab in self-identified black and Hispanic people with relapsing multiple sclerosis.
Methods The Characterization of Ocrelizumab in Minorities with Multiple Sclerosis (CHIMES) trial, a prospective, open-label, single-arm, phase 4 study, intentionally recruited underrepresented populations in the US, Puerto Rico, and Kenya. Black and Hispanic people with relapsing multiple sclerosis aged 18–65 years with Expanded Disability Status Scale score 0–5.5 received ocrelizumab for 2 years. The primary endpoint was the proportion of participants with no evidence of disease activity in 3 components at week 48: protocol-defined relapse, 24-week confirmed disability progression, and disease …
Spatially Dissecting Drivers Of Inter-And Intra-Tumoral Heterogeneity In Kenyan Breast Cancer, Mustapha Abubakar, Shahin Sayed, Hela Koka, Scott Lawrence, Karun Mutreja, Xing Hua, Petra Lenz, Samuel Anyaso-Samuel, Rosemary Kamau, Beryl Ooro
Spatially Dissecting Drivers Of Inter-And Intra-Tumoral Heterogeneity In Kenyan Breast Cancer, Mustapha Abubakar, Shahin Sayed, Hela Koka, Scott Lawrence, Karun Mutreja, Xing Hua, Petra Lenz, Samuel Anyaso-Samuel, Rosemary Kamau, Beryl Ooro
Pathology, East Africa
Despite growing evidence on the impact of intra-tumoral heterogeneity (ITH) in breast cancer (BC), its biological drivers and clinically relevant mitigation strategies remain poorly characterized, particularly in low-resource settings where spatial profiling is rarely applied. To address this gap, we conducted a comprehensive, multiplatform spatial profiling study of BC in a Kenyan population. Using the NanoString GeoMx™ Digital Spatial Profiler, we quantified 44 protein markers across 707 spatially defined, PanCK-segmented Areas of Illumination (AOIs) from 31 tumors. All tumors exhibited measurable ITH, with one-third showing marked heterogeneity. Sixteen patients exhibited two or more intrinsic subtypes within their tumors, three of …
Explosive Weapons Trauma Care Collective (Extracct) Clinical Practice Guideline: Transfer Of Critically Injured Casualties, Emma Butterfield, Gavin Wooldridge, Solomon Asfaw, Mervat Alhilal, Mardi Steere, Benjamin Wachira, Paul Reavley, Roman Shtybel, Marius Rehn
Explosive Weapons Trauma Care Collective (Extracct) Clinical Practice Guideline: Transfer Of Critically Injured Casualties, Emma Butterfield, Gavin Wooldridge, Solomon Asfaw, Mervat Alhilal, Mardi Steere, Benjamin Wachira, Paul Reavley, Roman Shtybel, Marius Rehn
Emergency Medicine, East Africa
Introduction Blast-injured patients often present to healthcare facilities which cannot definitively meet their clinical needs. This clinical practice guideline (CPG) reviews and describes best practice for inter-facility transfer of casualties in resource limited and conflict-afflicted contexts where there may not be a formal referral pathway or specialized inter-facility transfer service.
Methods A narrative literature review and synthesis of expert opinion were used to develop this CPG.
Results The guideline describes current standards and best practice in inter-facility transfer in a low resource context—particularly during conflict when referral and transfer pathways may be overwhelmed—and advises on the selection and preparation of …
Neonatal Admissions And Mortality: A Statistical Adjustment Approach Using Birthweight-Specific Curves To Address Bias Due To Underreporting In 65 Hospitals In Four African Countries, Lucas Malla, Siu Wong, Samuel Ngwala, Evelyn Zimba, Msandeni Chiume, Norman Lufesi, Kondwani Kawaza, Honorati Masanja, Josephine Shabani, William Macharia
Neonatal Admissions And Mortality: A Statistical Adjustment Approach Using Birthweight-Specific Curves To Address Bias Due To Underreporting In 65 Hospitals In Four African Countries, Lucas Malla, Siu Wong, Samuel Ngwala, Evelyn Zimba, Msandeni Chiume, Norman Lufesi, Kondwani Kawaza, Honorati Masanja, Josephine Shabani, William Macharia
Paediatrics and Child Health, East Africa
Background Underreporting of neonatal admissions and deaths – particularly among < 1000 g newborns – compromises the plausibility of in-patient neonatal mortality rate (iNMR) estimates. This limits progress tracking, since 2.3 million neonatal deaths occur annually, and 65 countries are projected to miss the Sustainable Development Goal (SDG) 3.2 target of fewer than 12 deaths per 1000 live births by 2030. Reliable iNMR estimates are essential for national and hospital-level monitoring. This study assessed birthweight-specific adjustment curves developed using simulated data, and extended the approach to routine data from 172,809 neonatal admissions across four African countries in the NEST360 network.
Methods Simulated data were generated using birthweight intervals of 500 g from 500 to 5000 g, with 1000 values per category representing 1000 hospitals. Admissions were drawn from a negative binomial distribution and mortality rates from a beta distribution based on published birthweight-specific iNMRs. Adjustment functions were developed using data from 500 hospitals without underreporting and tested on 500 with induced underreporting. This approach was then extended to real data from 65 NEST360 partnering hospitals. The adjustment functions were derived from 26 hospitals with plausible reporting (iNMR ≥ 700 per …
Unlocking The Potential Of Sub-Saharan Africa In Globalized Cancer Clinical Trials: A Perspective From The 2024 Aortic-Asco Stakeholder Meeting, Abiola Ibraheem, Adedayo Joseph, Miriam Mutebi, Mansoor Saleh, Sitna Mwanzi, Olusegun Alatise
Unlocking The Potential Of Sub-Saharan Africa In Globalized Cancer Clinical Trials: A Perspective From The 2024 Aortic-Asco Stakeholder Meeting, Abiola Ibraheem, Adedayo Joseph, Miriam Mutebi, Mansoor Saleh, Sitna Mwanzi, Olusegun Alatise
General Surgery, East Africa
Sub-Saharan Africa (SSA) remains significantly underrepresented in global cancer clinical trials, despite having the largest population of individuals of African descent, an essential demographic for ensuring diversity in clinical research. This study, developed from the 2024 African Organization for Research and Training in Cancer (AORTIC)-ASCO stakeholder meeting, addresses the critical need to involve SSA in cancer trials to improve global trial diversity and patient outcomes. Although globalization of trials has shifted research sites to regions like Eastern Europe and Asia, < 1% occur in Africa. This report highlights emerging solutions such as regional alliances, decentralized trial models, capacity-building initiatives, and public-private partnerships. The role of AORTIC and its Clinical Trial Special Interest Group in advancing training, infrastructure development, and international collaboration is discussed, with notable clinical trial networks, such as HypoAfrica, ARETTA, African Research Group for Oncology, and regional consortia, illustrating growing momentum and capability. This study advocates for a coordinated strategy to integrate SSA into global trials, ensuring more inclusive, effective, and equitable cancer treatment outcomes.
Health Systems Interventions For Prevention Of Maternal Peripartum Infection In Low And Middle-Income Countries: A Systematic Review, Roseline Abwao, Job Mapesa, Wanja Tenambergen, David Odada, Nasra Gathoni, Felix Riunga
Health Systems Interventions For Prevention Of Maternal Peripartum Infection In Low And Middle-Income Countries: A Systematic Review, Roseline Abwao, Job Mapesa, Wanja Tenambergen, David Odada, Nasra Gathoni, Felix Riunga
Internal Medicine, East Africa
Background Globally, there is growing recognition that a functional health system is key to improving maternal health and reducing maternal mortality. Maternal peripartum infection remains a major cause of maternal morbidity and mortality, particularly in low- and middle-income countries. This infection is a multifaceted problem with many players. Adopting a health systems approach could help avert this preventable infection by addressing the gaps across all the components of care.
Objective The aim of this systematic review was to identify and evaluate interventions to prevent maternal peripartum infection in LMICs.
Methods A systematic search was conducted in Cochrane Library, CINAHL, MEDLINE …
Medical, Socioeconomic, And Geographic Disparities In Primary Health Care Access And Utilization: A Population-Based Study Of 8038 Individuals Aged One Year And Older In Rural Uganda, Saadiyah Mayet, Christin Puthur, Betty Nabatte, Benjamin Tinkitina, Christopher Opio, Yin-Cong Zhi, Narcis Kabatereine, Goylette Chami
Medical, Socioeconomic, And Geographic Disparities In Primary Health Care Access And Utilization: A Population-Based Study Of 8038 Individuals Aged One Year And Older In Rural Uganda, Saadiyah Mayet, Christin Puthur, Betty Nabatte, Benjamin Tinkitina, Christopher Opio, Yin-Cong Zhi, Narcis Kabatereine, Goylette Chami
Internal Medicine, East Africa
Background There is limited data on trends in primary health care (PHC) access and utilisation in rural sub-Saharan Africa, with a particular lack of knowledge on disparities beyond geographic barriers.
Methods A cross-sectional study was conducted within the community-based cohort, SchistoTrack. 2191 households were randomly sampled from 52 rural villages in Pakwach, Buliisa, and Mayuge Districts in Uganda. All household members aged one year and older were surveyed between 2022–2024, resulting in 8038 individuals with baseline health access information. Key outcomes included any care sought within the month preceding the study, type of care sought, and usual source of care. …
U.S. Cardiovascular Mortality Before And During Covid-19: Cdc Wonder Vs Gbd Comparison, Mirza Ali Baig, Muhammad Umar, Carol Becker, Salim S. Virani, Dmitry Abramov, Xiaoming Jia, Abdul Minhas
U.S. Cardiovascular Mortality Before And During Covid-19: Cdc Wonder Vs Gbd Comparison, Mirza Ali Baig, Muhammad Umar, Carol Becker, Salim S. Virani, Dmitry Abramov, Xiaoming Jia, Abdul Minhas
Population Health, East Africa
No abstract provided.
New-Onset Cognitive Impairment After Delirium Among Hospitalised Older Ghanaians: A Pilot Study, John-Paul Omuojine, Richard Dei-Asamoa, Caleb Otu-Ansah, Gertrude Aboah, Belinda Opoku, George Amponsah, Stella Afeti, Leah Ratner, Ruth Owusu-Antwi, Cyprian Mostert
New-Onset Cognitive Impairment After Delirium Among Hospitalised Older Ghanaians: A Pilot Study, John-Paul Omuojine, Richard Dei-Asamoa, Caleb Otu-Ansah, Gertrude Aboah, Belinda Opoku, George Amponsah, Stella Afeti, Leah Ratner, Ruth Owusu-Antwi, Cyprian Mostert
Population Health, East Africa
Background Delirium is a potentially modifiable risk factor for dementia. However, post-delirium cognition has hardly been studied in Africa, where the burden of both disorders is rising disproportionately.
Objective We estimated the incidence of new-onset cognitive impairment (NCI) 6 months after hospitalisation with non-stroke delirium among older Ghanaians.
Methods This was a prospective observational pilot study conducted among 60 previously cognitively unimpaired (retrospective proxy assessment) adults aged ≥60 years, hospitalised with non-stroke prevalent delirium in a Tertiary Hospital. Delirium was confirmed and rated using the Confusion Assessment Method (CAM) and Severity Scale (CAM-S) within 24–72 hours of admission and reassessed …
Spatially Dissecting Drivers Of Inter- And Intra-Tumoral Heterogeneity In Kenyan Breast Cancer, Mustapha Abubakar, Shahin Sayed, Hela Koka, Scott Lawrence, Karun Mutreja, Xing Hua, Petra Lenz, Samuel Anyaso-Samuel, Rosemary Kamau, Beryl Ooro
Spatially Dissecting Drivers Of Inter- And Intra-Tumoral Heterogeneity In Kenyan Breast Cancer, Mustapha Abubakar, Shahin Sayed, Hela Koka, Scott Lawrence, Karun Mutreja, Xing Hua, Petra Lenz, Samuel Anyaso-Samuel, Rosemary Kamau, Beryl Ooro
Pathology, East Africa
Despite growing evidence on the impact of intra-tumoral heterogeneity (ITH) in breast cancer (BC), its biological drivers and clinically relevant mitigation strategies remain poorly characterized, particularly in low-resource settings where spatial profiling is rarely applied. To address this gap, we conducted a comprehensive, multiplatform spatial profiling study of BC in a Kenyan population. Using the NanoString GeoMx™ Digital Spatial Profiler, we quantified 44 protein markers across 707 spatially defined, PanCK-segmented Areas of Illumination (AOIs) from 31 tumors. All tumors exhibited measurable ITH, with one-third showing marked heterogeneity. Sixteen patients exhibited two or more intrinsic subtypes within their tumors, three of …
Formal Comment: Diagnostic Labelling Of Mental Health In Young People: Perspectives From Kenya, South Africa And Zimbabwe, Rachel Maina, Marinos Lupindo, Charmaine Nyakonda, Tara Carney, Charity Mamathuba, Christine Musyimi, Charity Somo, Eleanor Chatburn
Formal Comment: Diagnostic Labelling Of Mental Health In Young People: Perspectives From Kenya, South Africa And Zimbabwe, Rachel Maina, Marinos Lupindo, Charmaine Nyakonda, Tara Carney, Charity Mamathuba, Christine Musyimi, Charity Somo, Eleanor Chatburn
Brain and Mind Institute
No abstract provided.
Plasma Proteomic Profiles Of Alzheimer's Disease And Neurodegeneration In African Cohorts, Ilaria Pola, Tolulope Akinyemi, Kubra Tan, Oladotun Olalusi, Wiebke Traichel, Giulia Giacomucci, Joseph Yaria, Nesrine Rahmouni, Gabriel Ogunde, Chinedu Momoh
Plasma Proteomic Profiles Of Alzheimer's Disease And Neurodegeneration In African Cohorts, Ilaria Pola, Tolulope Akinyemi, Kubra Tan, Oladotun Olalusi, Wiebke Traichel, Giulia Giacomucci, Joseph Yaria, Nesrine Rahmouni, Gabriel Ogunde, Chinedu Momoh
Brain and Mind Institute
Alzheimer’s disease and related dementia (ADRD) represents a growing public health burden, especially in low- and middle-income countries. Yet, most studies focus on Non-Hispanic white (NHW) populations from high-income countries. This study investigates plasma proteomic signatures associated with amyloid pathology in African populations. Nigerian older adults from the VALIANT study and participants from a Tanzanian study, with available biomarker quantification in plasma are employed. For proteomic comparison, participants from the Canadian TRIAD cohort are included, capturing a distinct population. Here, we show that multiple proteins are differentially abundant in the plasma of p-tau217-positive individuals and in the different cognitive groups, …
A Rare Manifestation Of Mycobacterium Kansasii As A Cutaneous Infection: A Case Report, Wandera Carey, Antony Kimani, Zamanali Khakhar, Dheer Kalaiya, Alok Iyer, Sayed Karar
A Rare Manifestation Of Mycobacterium Kansasii As A Cutaneous Infection: A Case Report, Wandera Carey, Antony Kimani, Zamanali Khakhar, Dheer Kalaiya, Alok Iyer, Sayed Karar
Internal Medicine, East Africa
Nontuberculous mycobacteria (NTM) are environmental organisms increasingly recognized as opportunistic pathogens, particularly in immunocompromised individuals. Mycobacterium kansasii, a slow-growing photochromogen (Runyon group I), is primarily associated with pulmonary disease; however, extrapulmonary and cutaneous manifestations are uncommon and often underdiagnosed. Given the rising incidence of NTM infections, cutaneous disease should be considered in the differential diagnosis of skin lesions, especially in immunocompromised patients. Early microbiological confirmation is crucial for appropriate therapy, as M. kansasii is intrinsically resistant to pyrazinamide. Herein, we present a case of pathologically confirmed cutaneous M. kansasii infection occurring in isolation, illustrating the diagnostic challenges and therapeutic outcomes.
A Blended Genome And Exome Sequencing Method Captures Genetic Variation In An Unbiased And Cost-Effective Manner, Toni Boltz, Benjamin Chu, Matthew Defelice, Calwing Liao, Julia Sealock, Robert Ye, Jacqueline Goldstein, Lerato Majara, Jack Fu, Lukoye Atwoli
A Blended Genome And Exome Sequencing Method Captures Genetic Variation In An Unbiased And Cost-Effective Manner, Toni Boltz, Benjamin Chu, Matthew Defelice, Calwing Liao, Julia Sealock, Robert Ye, Jacqueline Goldstein, Lerato Majara, Jack Fu, Lukoye Atwoli
Internal Medicine, East Africa
Here we developed and deployed the blended genome exome (BGE) method, a DNA library approach that generates low-pass whole-genome (1–4× mean depth) and deep whole-exome (30–40× mean depth) data in a single sequencing run. BGE is cost-effective, empowers most genomic discoveries possible with deep whole-genome sequencing and captures global common single-nucleotide polymorphism diversity. We applied BGE to sequence >53,000 samples from the PUMAS Project (Populations Underrepresented in Mental Illness Associations Studies), including African, African American and Latin American populations. Imputed genotypes showed high concordance with Illumina Global Screening Array calls (R2 ≥ 95% for minor allele frequency ≥1%; …
Precise-Dyad: A Prospective Cohort Study Linking Maternal And Infant Health Trajectories In Sub-Saharan Africa, Marie-Laure Volvert, Robin Owino, Angela Koech, Onesmus Wanje, Isaac Mwaniki, Joseph Mutunga, Emily Mwadime, Geoffrey Omuse, Moses Mukhanya, Marvin Ochieng, Grace Mwashigadi, Agnes Mutua, Marleen Temmerman, Melissa Gladstone, Amina Abubakar, Helen Nabwera
Precise-Dyad: A Prospective Cohort Study Linking Maternal And Infant Health Trajectories In Sub-Saharan Africa, Marie-Laure Volvert, Robin Owino, Angela Koech, Onesmus Wanje, Isaac Mwaniki, Joseph Mutunga, Emily Mwadime, Geoffrey Omuse, Moses Mukhanya, Marvin Ochieng, Grace Mwashigadi, Agnes Mutua, Marleen Temmerman, Melissa Gladstone, Amina Abubakar, Helen Nabwera
Centre of Excellence in Women and Child Health
Purpose The PREgnancy Care Integrating Translational Science, Everywhere (PRECISE)-DYAD Study is a prospective observational cohort designed to investigate health outcomes among mother-child pairs (dyads) over the first 3 years of life in two contexts from sub-Saharan Africa. The primary objective of the study was to explore the effects of selected placenta-related complications, such as pregnancy hypertension, fetal growth restriction and preterm birth, on (1) Child health and development, and (2) Women’s health and well-being, including outcomes after stillbirth.
Participants The PRECISE-DYAD Study enrolled women (and their children) originally recruited into the PRECISE pregnancy cohort study in The Gambia and Kenya …
Why Pronatalism Fails The Planetary Health Test, Celine Delacroix, Marleen Temmerman, Nandita Bajaj, Ann Moore, Phoebe Barnard, William Ripple, William Rees, Michael Gerrard, Diana Coole, Robert Engelman
Why Pronatalism Fails The Planetary Health Test, Celine Delacroix, Marleen Temmerman, Nandita Bajaj, Ann Moore, Phoebe Barnard, William Ripple, William Rees, Michael Gerrard, Diana Coole, Robert Engelman
Centre of Excellence in Women and Child Health
No abstract provided.
Performance Of Road-Traffic-Based Exposure Proxies Against Personal Pm2.5 Measurements In Three Sub-Saharan African Countries, Handsome Nyoni, Terence Mushore, Laura Munthali, Sibusisiwe Makhanya, Laurine Chikoko, Stanley Luchters, Matthew Chersich, Fortunate Machingura, Liberty Makacha, Benjamin Barratt
Performance Of Road-Traffic-Based Exposure Proxies Against Personal Pm2.5 Measurements In Three Sub-Saharan African Countries, Handsome Nyoni, Terence Mushore, Laura Munthali, Sibusisiwe Makhanya, Laurine Chikoko, Stanley Luchters, Matthew Chersich, Fortunate Machingura, Liberty Makacha, Benjamin Barratt
Centre of Excellence in Women and Child Health
Particulate Matter (PM2.5) exposure contributes to the global disease burden, yet its monitoring remains sparse and uneven, with limited ground sensor infrastructure. Road-traffic proxy indicators can provide indirect estimates of PM2.5 where measurements are limited but require context-specific validation. We evaluated three PM2.5 road-traffic-related proxies: (i) population-Weighted Road Network Density (wRND), (ii) Euclidean (straight line) distance from highways (EH), and (iii) Euclidean distance from main roads (EM). We validated these proxies using high-resolution outdoor filtered PM2.5 personal exposure measurements collected over 1 year from 343 postpartum participants in The Gambia, Kenya, and Mozambique. Proxy-PM2.5 associations were assessed using Spearman correlation, …
Determinants Of Cardiovascular And Metabolic Noncommunicable Diseases Among People Living With Hiv In Rwanda: Protocol For The Ncohirwa Prospective Cohort Study, Valentine Dushimiyimana, Marc Twagirumukiza, Madeleine Durand, Ntobeko Ntusi, Brenda Asiimwe Kateera, Noella Bigirimana, Ladislas Nshimiyimana, Pacifique Ndishimye, Vivianne Niyonkuru Umuhire, Prosper Karame, Valens Ndagijimana, Joseph Mucumbitsi, Alfred Dusabimana, Cecile Ingabire, Yvonne Delphine Nsaba Uwera, Km Monirul Islam, Celestin Hategeka, Sabin Nsanzimana, Ernst Rietzschel, Steven Callens, Clarisse Musanabaganwa, Jean Claude Semuto Ngabonziza, Eric Remera, Jean Pierre Musabyimana, Claude Mambo Muvunyi, Albert Tuyishime, Gallican Nshogoza Rwibasira, Gregorie Muhorakeye, Simeon Tuyishime, Francois Uwinkindi, Evarist Ntaganda, Simon Pierre Niyonsenga, Noel Gahamanyi, Kayigi Etienne, Fidel Umwanankabandi, Theogene Kubahoniyesu, Alphonse Mbarushiman, Muhammed Semakula, Leopold Bitunguhari, Jean Damascene Kabakambira, Annette Uwineza, Marcellin Musabende, Felix Babane, Vincent Karamuka, Fidens Dusabeyezu, Alyson Kelvin, Pacifique Mukashema, Augustin Murindabigwi, Steven Karera, Katia Giguère, Godfrey Katende, Jean Berchmans Tugirimana, Deo Mutambuka
Determinants Of Cardiovascular And Metabolic Noncommunicable Diseases Among People Living With Hiv In Rwanda: Protocol For The Ncohirwa Prospective Cohort Study, Valentine Dushimiyimana, Marc Twagirumukiza, Madeleine Durand, Ntobeko Ntusi, Brenda Asiimwe Kateera, Noella Bigirimana, Ladislas Nshimiyimana, Pacifique Ndishimye, Vivianne Niyonkuru Umuhire, Prosper Karame, Valens Ndagijimana, Joseph Mucumbitsi, Alfred Dusabimana, Cecile Ingabire, Yvonne Delphine Nsaba Uwera, Km Monirul Islam, Celestin Hategeka, Sabin Nsanzimana, Ernst Rietzschel, Steven Callens, Clarisse Musanabaganwa, Jean Claude Semuto Ngabonziza, Eric Remera, Jean Pierre Musabyimana, Claude Mambo Muvunyi, Albert Tuyishime, Gallican Nshogoza Rwibasira, Gregorie Muhorakeye, Simeon Tuyishime, Francois Uwinkindi, Evarist Ntaganda, Simon Pierre Niyonsenga, Noel Gahamanyi, Kayigi Etienne, Fidel Umwanankabandi, Theogene Kubahoniyesu, Alphonse Mbarushiman, Muhammed Semakula, Leopold Bitunguhari, Jean Damascene Kabakambira, Annette Uwineza, Marcellin Musabende, Felix Babane, Vincent Karamuka, Fidens Dusabeyezu, Alyson Kelvin, Pacifique Mukashema, Augustin Murindabigwi, Steven Karera, Katia Giguère, Godfrey Katende, Jean Berchmans Tugirimana, Deo Mutambuka
School of Nursing & Midwifery, East Africa
Background: Noncommunicable diseases (NCDs), particularly cardiovascular diseases (CVDs), hypertension and diabetes, are major contributors to morbidity and mortality globally and in Rwanda, where the dual burden of HIV and NCDs is increasing. Evidence remains limited on how biological, behavioural, social, environmental and health-system determinants influence cardiovascular and metabolic outcomes among people living with HIV (PLHIV) in Rwanda. The NCOHIRWA cohort was established to prospectively investigate determinants associated with CVDs, hypertension, diabetes and related NCD outcomes among PLHIV, newly diagnosed PLHIV and people without HIV (PWoH). This manuscript presents the protocol for the NCOHIRWA cohort study.
Methods: The NCOHIRWA study …
Paracrine Signals From Hiv-1-Infected Immune Cells Reprogram Cervical Cancer Pathways, Charles Olwal, Ujjwal Rathore, Sara Makanani, Prashant Kaushal, Immy Ashley, Manisha Ummadi, Vincent Appiah, Alexandra Lindsey Zune, Sophie Blanc, Elkanah Orang'o
Paracrine Signals From Hiv-1-Infected Immune Cells Reprogram Cervical Cancer Pathways, Charles Olwal, Ujjwal Rathore, Sara Makanani, Prashant Kaushal, Immy Ashley, Manisha Ummadi, Vincent Appiah, Alexandra Lindsey Zune, Sophie Blanc, Elkanah Orang'o
Obstetrics and Gynaecology, East Africa
No abstract provided.
Social Relationships, Mental Health, And Stigma: A Qualitative Study Of Social Networks And Hiv Disclosure In Western Kenya, Sarah Obatsa, Adel Mburia-Mwalili, Salvador Jauregui, Karla Wagner, Lukoye Atwoli, Francesca Odhiambo, Jayne Lewis-Kulzer, Suzanne Goodrich, Kara Wools-Kaloustian, Jennifer Syvertsen
Social Relationships, Mental Health, And Stigma: A Qualitative Study Of Social Networks And Hiv Disclosure In Western Kenya, Sarah Obatsa, Adel Mburia-Mwalili, Salvador Jauregui, Karla Wagner, Lukoye Atwoli, Francesca Odhiambo, Jayne Lewis-Kulzer, Suzanne Goodrich, Kara Wools-Kaloustian, Jennifer Syvertsen
Internal Medicine, East Africa
The disclosure of one’s HIV-positive status is a personal decision that can play an important role in engagement in HIV treatment and care. Social network approaches situate individuals within broader webs of social connections that influence health and wellbeing and thus hold the potential to elucidate key social factors shaping the process of disclosure. As part of a larger clinical study examining how substance use and mental health shape HIV outcomes, we recruited 61 individuals newly diagnosed with HIV at two clinics in Western Kenya to participate in an egocentric social networks study. We conducted a survey that generated a …
Ambulatory Blood Pressure Monitoring Phenotypes And Circadian Blood Pressure Patterns Among Adults Referred For Diagnostic Evaluation At Aga Khan University Hospital, Nairobi, Kenya: A Retrospective Cross-Sectional Study, Nadeem Kassam, Mzee Ngunga, James Orwa, Alisa Bhojani, Mohamed Varwani, Swaffiya Salim, Yvonne Oketch, Salim Surani, Anthony Ochola, Barbara Karau, Jeilan Mohamed, Etienne Amendezo
Ambulatory Blood Pressure Monitoring Phenotypes And Circadian Blood Pressure Patterns Among Adults Referred For Diagnostic Evaluation At Aga Khan University Hospital, Nairobi, Kenya: A Retrospective Cross-Sectional Study, Nadeem Kassam, Mzee Ngunga, James Orwa, Alisa Bhojani, Mohamed Varwani, Swaffiya Salim, Yvonne Oketch, Salim Surani, Anthony Ochola, Barbara Karau, Jeilan Mohamed, Etienne Amendezo
Internal Medicine, East Africa
Introduction: hypertension represents the primary modifiable risk factor for cardiovascular disease and poses a public health challenge in sub-Saharan regions, with Kenya experiencing particularly low detection and control rates. Traditional office-based blood pressure measurements often fail to detect key phenotypes, such as white-coat and masked hypertension. Ambulatory Blood Pressure Monitoring (ABPM) offers a comprehensive 24-hour profile that excludes white-coat hypertension and allows for the evaluation of circadian patterns, including nocturnal hypertension and non-dipping status, both of which are recognized as high-risk phenotypes strongly linked to adverse cardiovascular events. This study evaluated ABPM data from Aga Khan University Hospital, Nairobi …
Hydroxyurea Interferes With Point-Of-Care Creatinine Testing In Children With Sickle Cell Anemia, Ruth Namazzi, Robert Opoka, Charles Ssuuna, Michael Goings, Kathryn Mcelhinney, Dibyadyuti Datta, Russell Ware, Chandy John, Andrea Conroy
Hydroxyurea Interferes With Point-Of-Care Creatinine Testing In Children With Sickle Cell Anemia, Ruth Namazzi, Robert Opoka, Charles Ssuuna, Michael Goings, Kathryn Mcelhinney, Dibyadyuti Datta, Russell Ware, Chandy John, Andrea Conroy
Paediatrics and Child Health, East Africa
Objective To evaluate the performance of the point-of-care i-STAT device for creatinine measurement in Ugandan children with sickle cell anemia (SCA), and to determine the clinical impact of hydroxyurea-associated assay interference.
Results description This secondary analysis was nested within a randomized clinical trial involving 248 Ugandan children with SCA. The mean age at enrollment was 32 months, and 115/248 (46.2%) initiated hydroxyurea during 12 months of follow-up as part of routine clinical care. At enrollment, creatinine values measured by i-STAT and reference laboratory testing were clinically comparable. At follow-up, children receiving hydroxyurea had significantly higher creatinine values measured by iSTAT …
Adverse Childhood Experiences Among Kenyan Adolescents: Psychometric Properties, Prevalence Rates And Correlates, Tom Osborn, Rosine Baseke, Faith Kamau, Winnan Munyasa, Christine Wasanga, Maureen Ngesa, Victoria Mutiso, Moses Nyongesa, Jasmit Shah, Zul Merali
Adverse Childhood Experiences Among Kenyan Adolescents: Psychometric Properties, Prevalence Rates And Correlates, Tom Osborn, Rosine Baseke, Faith Kamau, Winnan Munyasa, Christine Wasanga, Maureen Ngesa, Victoria Mutiso, Moses Nyongesa, Jasmit Shah, Zul Merali
Brain and Mind Institute
Background: Adverse Childhood Experiences (ACEs) have been consistently linked to poor mental health outcomes, yet research on their impact in low- and middle-income countries (LMICs) settings of Africa, remains relatively unexplored. In Kenya, where childhood adversity is widespread, there is a critical need to examine the validity of ACE measures and their associations with mental ill health. This study aimed to validate the Adverse Childhood Experiences questionnaire (ACE-10) in a Kenyan adolescent sample and assess its associations with symptoms of depression and anxiety, bullying, and sociodemographic factors.
Methods: Data was collected from N = 2,842 adolescents and young …
Anatomical Localization In The Age Of Investigations: The Skill That Still Defines A Neurologist, Wajid Jawaid
Anatomical Localization In The Age Of Investigations: The Skill That Still Defines A Neurologist, Wajid Jawaid
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.
Frequency Of Diabetes Mellitus In Patients Diagnosed With Carpal Tunnel Syndrome: A Study From A Tertiary Care Setting, Harwindar Kumar, Sadiq Ali Shah, Syed Azaz Ali Shah, Noor Ul Wahab
Frequency Of Diabetes Mellitus In Patients Diagnosed With Carpal Tunnel Syndrome: A Study From A Tertiary Care Setting, Harwindar Kumar, Sadiq Ali Shah, Syed Azaz Ali Shah, Noor Ul Wahab
Pakistan Journal of Neurological Sciences (PJNS)
Background and Objective: Carpal tunnel syndrome is a common entrapment neuropathy caused by compression of the median nerve when it passes through the wrist. The objective of this study was to determine the frequency of diabetes mellitus in patients diagnosed with carpal tunnel syndrome.
Methods: This descriptive cross-sectional study was conducted at the neurology unit of Lady Reading Hospital, Peshawar, from December 2019 to June 2020. A total of 140 patients aged 20–60 years with electrophysiologically confirmed carpal tunnel syndrome were included using non-probability consecutive sampling. Diabetes mellitus was established based on prior diagnosis, use of antidiabetic medications, or laboratory …
Frequency Of Carpal Tunnel Syndrome Among Hospital Workers Using Ultrasonography: A Cross-Sectional Study, Shakeela Ghazala, Sadaf Nasir, Riaz Mahmood, Ghulam Mujtaba, Ayesha Ishaq, Saima Shan
Frequency Of Carpal Tunnel Syndrome Among Hospital Workers Using Ultrasonography: A Cross-Sectional Study, Shakeela Ghazala, Sadaf Nasir, Riaz Mahmood, Ghulam Mujtaba, Ayesha Ishaq, Saima Shan
Pakistan Journal of Neurological Sciences (PJNS)
Background and Objective: Non-invasive ultrasound imaging has emerged as a robust diagnostic tool to examine the median nerve and identify early signs of carpal tunnel syndrome (CTS), contributing to the early detection and management. The objective of this study was to determine the frequency of CTS among hospital workers using ultrasonography technique.
Methods: This was a cross-sectional conducted at Department of neurology, Federal Government Polyclinic Hospital, from September 7, 2023 to March 6, 2024. All eligible individuals meeting inclusion criteria, were enrolled after obtaining informed consent. Following clinical examination, participants were referred to the radiology department for CTS diagnosis using …
Patterns Of Central Nervous System Infections In Pakistan: A Cross-Sectional Multicenter Study, Zainab Memon, Safia Awan, Ibrar Rafq, Shafaq Saleem, Saleem Barech, Muhammad Arif Nadeem Saqib, Syed Ahmed Asif, Haris Majid Rajput
Patterns Of Central Nervous System Infections In Pakistan: A Cross-Sectional Multicenter Study, Zainab Memon, Safia Awan, Ibrar Rafq, Shafaq Saleem, Saleem Barech, Muhammad Arif Nadeem Saqib, Syed Ahmed Asif, Haris Majid Rajput
Pakistan Journal of Neurological Sciences (PJNS)
Background and Objective: In low- and middle-income countries, central nervous system infections are amongst the neurological entities associated with significant disability. Despite the availability of both preventative and antimicrobial treatment, management of CNS infections continues to be a great challenge. The objective of this study was to assess the pattern of CNS infections across multiple urban and rural centers in Pakistan.
Methods: A cross-sectional observational study was conducted across 39 outpatient neurology centers in Pakistan, including both public and private setups from August 2017 to December 2019. Data on demographics, comorbidities, and categorization of CNS infections were obtained from the …
Unveiling Gender Disparities In Cerebrovascular Accident Outcomes: A Retrospective Analysis, Anjali Shankar, Tahira Maqsood, Suhail Ahmed Aghani, Marvi Lakhair, Abdul Ghafoor Magsi, Alam Ibrahim Siddiqui
Unveiling Gender Disparities In Cerebrovascular Accident Outcomes: A Retrospective Analysis, Anjali Shankar, Tahira Maqsood, Suhail Ahmed Aghani, Marvi Lakhair, Abdul Ghafoor Magsi, Alam Ibrahim Siddiqui
Pakistan Journal of Neurological Sciences (PJNS)
Background and objective: Cerebrovascular accidents cause significant global mortality and disability. Sex-specific disparities in presentation and recovery may affect prognosis, especially in resource-limited settings like Pakistan. The objective of this study was to investigate gender-based differences in clinical profiles, comorbidities, and short-term outcomes of acute stroke patients in a tertiary care centre in Larkana, Pakistan.
Methods: A retrospective observational study was conducted on 194 patients diagnosed with acute ischemic stroke confirmed through CT or MRI scan. Among them, 110 (56.7%) were females and 84 (43.2%) were males, with an overall mean age of 41.5 ± 5 years (range 18–65 years). …
Bilateral Paramedian Thalamic Infarction Presenting With Atypical Pseudobulbar Effect: A Diagnostic Challenge, Tahira Siddiqui, Mehwish Butt, Muhammad Imran, Abdullah Al-Asmi, Arunodaya R Gujjar
Bilateral Paramedian Thalamic Infarction Presenting With Atypical Pseudobulbar Effect: A Diagnostic Challenge, Tahira Siddiqui, Mehwish Butt, Muhammad Imran, Abdullah Al-Asmi, Arunodaya R Gujjar
Pakistan Journal of Neurological Sciences (PJNS)
No abstract provided.