93 results on '"Ouma S"'
Search Results
2. A scoping review of human papillomavirus and cervical cancer knowledge, attitudes, practices, and prevention among female sex workers in Africa
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Alenna J Beroza, Sarah Rine, Jean C Bikomeye, Resty Kyomukama Magezi, Ouma Simple, Julia Dickson-Gomez, Macklean Mary Kyomya, Dan Katende, Matida Bojang, Wamala Twaibu, Fiona Mutesi Magololo, Agnes Nyabigambo, Geofrey Musinguzi, Pius Mulamira, and Kirsten Beyer
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Public aspects of medicine ,RA1-1270 - Abstract
# Background Global initiatives have emphasized the elimination of cervical cancer (CC) among female sex workers (FSW) in Africa. Yet screening remains low, and few interventions have been outlined to target this group. This scoping review sought to understand the knowledge, attitudes, and practices (KAP) among FSW in Africa regarding human papillomavirus (HPV) and CC prevention, and to identify the most effective intervention strategies. # Methods A systematic literature search was performed in PubMed, Scopus, Web of Science, and African Index Medicus for work published between January 2012 through August 2022. Eligible studies included those relating to HPV and CC prevention among FSW in Africa. Studies were categorized as KAP, intervention, or both. A Logic Model was used to guide content analysis of the interventions, and a thematic analysis of all studies was performed. # Results The search resulted in 79 articles of which 11 were included in the study. Six African countries were represented including South Africa, Mozambique, Uganda, Kenya, Ethiopia, and Nigeria. Five of the articles described KAP, while the other six described interventions. The intervention studies were categorized into 3 groups: "screen and treat", self-collection HPV testing, and a "diagonal intervention" which included a multi-faceted approach. # Conclusions Limited literature exists regarding KAP and interventions for HPV and CC prevention among FSW in Africa. While FSW in the literature had a moderate level of knowledge regarding HPV and CC prevention, studies identified a lack of detailed and nuanced knowledge. Successful uptake of screening was seen when services were provided at convenient locations, integrated into routine or HIV care, and recommended by healthcare providers. Future interventions should be context-specific, include improved counselling and education, and be integrated with other services.
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- 2024
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3. Achieving SDG 10: A Global Review of Public Service Inclusion Strategies for Ethnic and Religious Minorities
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Mir, G, Karlsen, S, Mitullah, W, Bhojani, U, Uzochukwu, B, Okeke, C, Mirzoev, T, Ebenso, B, Dracup, N, Dymski, G, Duong, DTT, Ha, BTT, Ouma, S, Onibon, F, Ogwezi, J, and Adris, S
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Social inequalities are intensifying globally and widening divisions are linked to civil unrest. Disadvantaged ethnic and religious groups experience poor access to, representation in and outcomes from public services such as healthcare and education. As mechanisms for social participation and citizenship, public services are key to inclusive and sustainable societies. In this paper we present results of a systematic review on strategies for the inclusion of minority ethnic and religious communities, often neglected populations in term of sustainable development activity. We focus on four public service areas: education, health, local government and police services and identify evidence gaps. Our overall aim is to raise awareness and provoke debate, reflection and subsequently action towards the inclusion of disadvantaged ethnic and religious minorities within public services. Public service inclusion strategies were identified through a global evidence review and four country specific reviews conducted by the Socially Inclusive Cities Network – academics, NGOs, policy – makers and practitioners from India, Kenya, Nigeria, Vietnam and the UK. Published evidence was supplemented by country-based and international workshops involving over 230 relevant stakeholders. We specifically explored intersectional experience relating to gender, age and migration status. 56 publications were identified for the global review, mostly in health and education. Macro (social and political), meso (institutional) and micro (individual) arena were identified as three distinct but interconnected levels through which exclusion is operationalized. Three overarching frameworks appeared key to successful ethnic and religious inclusion initiatives: accounting for social context; multiple strategies for system reform; and collaboration with disadvantaged communities. Inclusion strategies that address macro, meso and micro level drivers of exclusion are needed to achieve the aspirations of SDG 10. Involving affected communities is key to their success.
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- 2020
4. Trace amine-associated receptor 1 (TAAR1) agonism for psychosis: a living systematic review and meta-analysis of human and non-human data [version 1; peer review: 2 approved]
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Fiona J. Ramage, Spyridon Siafis, Edoardo G. Ostinelli, Virginia Chiocchia, Claire Stansfield, Simonne Wright, Ioannis Mantas, Damian Omari Juma, Grazia Rutigliano, Oliver D. Howes, Francesca Tinsdeall, Lea Milligan, Claire Friedrich, Julian H. Elliott, Carmen Moreno, Ava Homiar, James Thomas, Emily S. Sena, Malcolm R. Macleod, Charlotte Austin, Nobuyuki Nomura, Jaycee Kennett, Soraya Seedat, Luke J. Vano, Andrea Cipriani, Olena Maksym, Jennifer Potts, David Gilbert, Thomy Tonia, Robert A. McCutcheon, Matthias Egger, Stefan Leucht, Toshi A. Furukawa, Hossein Dehdarirad, Janna Hastings, Susan Michie, Georgia Salanti, Olufisayo Elugbadebo, and Ouma Simple
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Antipsychotics ,TAAR1 ,schizophrenia ,clinical trials ,preclinical studies ,meta-analysis ,eng ,Medicine ,Science - Abstract
Background Trace amine-associated receptor 1 (TAAR1) agonism shows promise for treating psychosis, prompting us to synthesise data from human and non-human studies. Methods We co-produced a living systematic review of controlled studies examining TAAR1 agonists in individuals (with or without psychosis/schizophrenia) and relevant animal models. Two independent reviewers identified studies in multiple electronic databases (until 17.11.2023), extracted data, and assessed risk of bias. Primary outcomes were standardised mean differences (SMD) for overall symptoms in human studies and hyperlocomotion in animal models. We also examined adverse events and neurotransmitter signalling. We synthesised data with random-effects meta-analyses. Results Nine randomised trials provided data for two TAAR1 agonists (ulotaront and ralmitaront), and 15 animal studies for 10 TAAR1 agonists. Ulotaront and ralmitaront demonstrated few differences compared to placebo in improving overall symptoms in adults with acute schizophrenia (N=4 studies, n=1291 participants; SMD=0.15, 95%CI: -0.05, 0.34), and ralmitaront was less efficacious than risperidone (N=1, n=156, SMD=-0.53, 95%CI: -0.86, -0.20). Large placebo response was observed in ulotaront phase-III trials. Limited evidence suggested a relatively benign side-effect profile for TAAR1 agonists, although nausea and sedation were common after a single dose of ulotaront. In animal studies, TAAR1 agonists improved hyperlocomotion compared to control (N=13 studies, k=41 experiments, SMD=1.01, 95%CI: 0.74, 1.27), but seemed less efficacious compared to dopamine D2 receptor antagonists (N=4, k=7, SMD=-0.62, 95%CI: -1.32, 0.08). Limited human and animal data indicated that TAAR1 agonists may regulate presynaptic dopaminergic signalling. Conclusions TAAR1 agonists may be less efficacious than dopamine D2 receptor antagonists already licensed for schizophrenia. The results are preliminary due to the limited number of drugs examined, lack of longer-term data, publication bias, and assay sensitivity concerns in trials associated with large placebo response. Considering their unique mechanism of action, relatively benign side-effect profile and ongoing drug development, further research is warranted. Registration PROSPERO-ID:CRD42023451628.
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- 2024
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5. Acute attacks and brain stem signs in a patient with glutamic acid decarboxylase autoantibodies
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Matsumoto, S, Kusuhara, T, Nakajima, M, Ouma, S, Takahashi, M, and Yamada, T
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- 2002
6. Alzheimer's disease
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Ouma, S, Suenaga, M, Hatip, FFB, Hatip-Al-Khatib, I, Tsuboi, Y, and Matsunaga, Y
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FICIENCY ,D METABOLISM ,BRAIN ,DEMENTIA ,BIOMARKERS ,RISK ,1,25-DIHYDROXYVITAMIN-D ,impairment ,mini-mental state examination ,1,25(OH)(2)D-3 ,25(OH)D-3 ,Alzheimer's disease ,mild cognitive - Abstract
Objectives: To determine the relevance of Mini-Mental State Examination (MMSE), serum 25-hydroxyvitamin D (25(OH)D3), and 1,25(OH)2D3 concentrations to mild cognitive impairment (MCI) and various stages of Alzheimer's disease (AD). Materials and Methods: The study included 230 participants (> 74 years) allocated to three main groups: 1-healthy subjects (HS, n = 61), 2-patients with MCI (n = 61), and 3-patients with Alzheimer's disease (AD) subdivided into three stages: mild (n = 41), moderate (n = 35), and severe AD (n = 32). The cognitive status was evaluated using MMSE. Serum 25 (OH)D3 (ng/ml) and 1,25(OH)2D3 concentrations (pg/ml) were determined by competitive radioimmunoassay. Results: MMSE scores and 25(OH)D3 were decreased in MCI and all stages of the AD in both genders. MMSE variability was due to gender in HS (11%) and to 25(OH)D3 in MCI (15%) and AD (26%). ROC analysis revealed an outstanding property of MMSE in diagnosis of MCI (AUC, 0.906; CI 95%, 0.847-0.965; sensitivity 82%; specificity, 98%) and AD (AUC, 0.997; CI 95%, 0.992-1; sensitivity, 100%; specificity, 98%). 25(OH)D3 exhibited good property in MCI (AUC, 0.765; CI 95%, 0.681-0.849; sensitivity, 90%; specificity, 54%) and an excellent property in diagnosis of AD (AUC, 0.843; CI 95%, 0.782-0.904; sensitivity, 97%; specificity, 79%). Logistic analyses revealed that, in MCI, MMSE could predict (or classify correctly) with 97.6% accuracy (Wald, 15.22, beta, -0.162; SE, 0.554; OR = 0.115: 0.039-0.341; p = .0001), whereas 25(OH)D3 with 80% accuracy (Wald, 41,013; beta, -0.213; SE, 0.033; OR = 0.808: 0.757-863; p = .0001). 25(OH)D3 was the only significant predictor for the severe AD and contributed to MMSE variability. Age and gender were significant predictors only in the moderate AD. In patients with MCI, 25(OH)D3 and 1,25(OH)2D3 were correlated men, but in case of the AD, they were correlated in women. Conclusions: MMSE and serum 25(OH)D3 concentrations could be useful biomarkers for prediction and diagnosis of MCI and various stages of the AD. The results support the utility of vitamin D supplementation in AD therapy regimen.
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- 2018
7. PO 8446 COLLABORATIVE TUBERCULOSIS RESEARCH AGENDA AT KEMRI CENTER FOR GLOBAL HEALTH RESEARCH, KISUMU, KENYA
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Wandiga, Steve, primary, Agaya, Janet, additional, Gurrion, Ouma S, additional, Okumu, Ochieng Albert, additional, Kiringa, Grace, additional, Otieno, Juliana, additional, Mwai, Geoffrey, additional, Nduba, Videlis, additional, and Munga, Stephen, additional
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- 2019
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8. Polycystic ovary syndrome and endometrial carcinoma
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Hardiman, Paul, Pillay, Ouma S., and Atiomo, William
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- 2003
9. New living evidence resource of human and non-human studies for early intervention and research prioritisation in anxiety, depression and psychosis
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Toshi A Furukawa, Andrea Cipriani, Edoardo Giuseppe Ostinelli, Georgia Salanti, Malcolm Macleod, Emily Sena, James Thomas, Miranda Wolpert, Susan Michie, Jennifer Potts, Matthias Egger, Soraya Seedat, Stefan Leucht, Virginia Chiocchia, Karla Soares-Weiser, Robert McCutcheon, Ayse Kurtulmus, David Gilbert, Sophie Chung, Spyridon Siafis, Carmen Moreno, Lea Milligan, Janna Hastings, Parisa Mansoori, James M Barker, Simonne Wright, Matilda Simpson, Olufisayo Elugbadebo, Thomy Tonia, Rania Elgarf, Ouma Simple, Niall Boyce, Anjuli Sharma, and Julian H Elliott
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Psychiatry ,RC435-571 - Abstract
In anxiety, depression and psychosis, there has been frustratingly slow progress in developing novel therapies that make a substantial difference in practice, as well as in predicting which treatments will work for whom and in what contexts. To intervene early in the process and deliver optimal care to patients, we need to understand the underlying mechanisms of mental health conditions, develop safe and effective interventions that target these mechanisms, and improve our capabilities in timely diagnosis and reliable prediction of symptom trajectories. Better synthesis of existing evidence is one way to reduce waste and improve efficiency in research towards these ends. Living systematic reviews produce rigorous, up-to-date and informative evidence summaries that are particularly important where research is emerging rapidly, current evidence is uncertain and new findings might change policy or practice. Global Alliance for Living Evidence on aNxiety, depressiOn and pSychosis (GALENOS) aims to tackle the challenges of mental health science research by cataloguing and evaluating the full spectrum of relevant scientific research including both human and preclinical studies. GALENOS will also allow the mental health community—including patients, carers, clinicians, researchers and funders—to better identify the research questions that most urgently need to be answered. By creating open-access datasets and outputs in a state-of-the-art online resource, GALENOS will help identify promising signals early in the research process. This will accelerate translation from discovery science into effective new interventions for anxiety, depression and psychosis, ready to be translated in clinical practice across the world.
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- 2023
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10. Primary lumbar hernia in an elderly woman: case report
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Ouma, S, Mugabi, P, and Ocaya, A
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Lumber hernia is a rare posterior abdominal wall defect with fewer than 300 cases reported in literature. It accounts for less than 1.5% of total hernia incidence. Herniation is mainly through the inferior lumber triangle (Petit’s hernia) or through the superior lumber triangle (Grynfeltt’s triangle); with both these anatomical boundaries accounting for 95% of lumber hernias. Lumber hernias are classified as either congenital (20%) or acquired (80%), and the typical presentation is a patient with a protruding bulge in the back with a slow growth. Our patient was a 70-year-old woman who presented at the surgical outpatient department with a swelling on the right flank for two years. She revealed no known cause of the swelling that was progressively increasing in size, with a dull pain. Physical examination and ultrasonography revealed a defect in the posterolateral abdominal wall. Surgical dissection revealed a large hernial sac, which contained retro peritoneal fat, protruding through a 3-4 centimetres defect in the transversalis fascia lining the floor of the superior lumbar triangle. The hernia sac was reduced and the defect closed. There was no recurrence four months post-operative. Lumber hernias are rare, but a good history and physical examination is important to rule out most of the differential diagnoses. Early surgical management is recommended but the surgical approach should be individualised.
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- 2017
11. PO 8446 COLLABORATIVE TUBERCULOSIS RESEARCH AGENDA AT KEMRI CENTER FOR GLOBAL HEALTH RESEARCH, KISUMU, KENYA
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Ochieng Albert Okumu, Videlis Nduba, Ouma S Gurrion, Stephen Munga, Juliana Otieno, Grace Kiringa, Geoffrey Mwai, Janet Agaya, and Steve Wandiga
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medicine.medical_specialty ,education.field_of_study ,Tuberculosis ,business.industry ,Health Policy ,Population ,Public Health, Environmental and Occupational Health ,Developing country ,medicine.disease ,Mentorship ,Environmental health ,Research participant ,Epidemiology ,medicine ,Global health ,Observational study ,business ,education - Abstract
BackgroundDeveloping countries grapple with inadequate funding amidst high burden of diseases. Africa is home to 9 of the 22 countries with a high tuberculosis (TB) burden and to 29 of the 41 countries with a high TB-HIV burden. Kenya is among the high TB and high TB-HIV burden countries. The Western Kenya region has the highest burden of TB and HIV. North-South partnerships are pivotal in ameliorating funding gaps in clinical research.MethodsWhile optimising existing infrastructure and organising programme support (i.e sensitisation and awareness creation, leading to study participant recruitment), from 2005 to date we conducted with multiple North-South collaborators capacity strengthening, TB prevalence survey, observational studies, operational research, and vaccine and drug trials.ResultsTB prevalence survey showed 600 cases per 100,000 population, TB epidemiological studies among adolescents and infants yielded 680 and 900/100,000 population respectively while 2 TB vaccine trials among infants and adults were conducted in Siaya. Three TB drug trials and a TB patient observational cum bio-bank study were concluded in Kisumu. KEMRI TB laboratory was upgraded from BSL2 to BSL3, was ISO-accredited in 2013, renewed in 2015 and 2017 and supports TB programme health facilities with retreatment specimens, supervision and mentorship. Over 25 operational TB studies grouped into community and case detection (increasing case detection), diagnostic and molecular (new diagnostic methods) and epidemiology studies (testing and monitoring cohorts for epidemiological questions) were implemented. Five PhDs, 9 Master’s, 2 Postgraduate Diplomas, 6 Bachelor’s degrees and 10 Diplomas have been supported. Siaya clinical research center was built while in Kisumu an adolescent clinic was constructed. This work involved 18 northern and 26 southern partners. Over 35 publications have been published out of these collaborations.ConclusionNorth-South collaborations provided funding, expertise and resources to harness research capacity of KEMRI; hence the need to foster a global networking culture.
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- 2019
12. „Markets in the Making“: Zur Ethnographie alltäglicher Marktkonstruktionen in organisationalen Settings
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Ouma, S.
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lcsh:Cartography ,lcsh:GA101-1776 ,lcsh:G1-922 ,InformationSystems_MISCELLANEOUS ,lcsh:Human ecology. Anthropogeography ,lcsh:GF1-900 ,lcsh:Geography (General) - Abstract
Drawing on the example of a research project on the extension of the margins of the global agricultural market through the workings of agribusiness in Ghana, this paper explores what contribution ethnographic approaches can make to the study of quotidian market constructions in organizational settings. It demonstrates how ethnographies of marketization can be grasped conceptually, epistemologically and methodologically, as well as what practical and methodological challenges such a practice-oriented approach towards the everyday organization of markets might encounter. By doing so, the paper offers a methodological contribution to the interdisciplinary field of marketization studies. Moreover, this paper urges economic geographers to further harness the epistemological potential of ethnographic approaches.
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- 2013
13. Potential Impacts of Roe v. Wade repeal on Sexual and Reproductive Health in Sub‐Saharan Africa
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Olabode Ekerin, Deborah Oluwaseun Shomuyiwa, Alex Vandy Saffa Bayoh, Ouma Sarah Atieno, Yusuf Sheku Tejan, Antor O. Ndep, Dawit Tesfagiorgis Mengesha, and Mat Lowe
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abortion ,maternal mortality ,reproductive health ,sexual health ,sub‐Saharan Africa ,Roe v. Wade ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract The United States (US) Supreme Court's decision to repeal Roe v. Wade has had significant implications for abortion care in the US, especially for emergency care. This ruling may also have an impact on sub‐Saharan Africa, where restrictive laws and policies limit women's access to safe and legal abortions. Sub‐Saharan Africa is the region with the highest rate of unwanted pregnancies and unsafe abortions, resulting in 15,000 preventable deaths annually. Although every country in sub‐Saharan Africa has at least one legal basis for abortion, they remain limited. In Nigeria, where 29% of pregnancies are unintended, 48% of these led to abortions, amounting to over 1.4 million abortions between 2015 and 2019. Unsafe abortions are prevalent in the region due to socioreligious stigma, particularly for unmarried women. Criminal charges can result from violating these limitations, with prison terms ranging from 3 to 14 years. The reversal of Roe v. Wade could have significant consequences in abortion‐related policies and politics in sub‐Saharan Africa, encouraging nations to adopt restrictive policies and legitimizing them. The landmark decision of Roe v. Wade may also impact the rate of unsafe abortions in the region, much like the US Mexico City Policy. With the high probability of foreign assistance funds for safe abortions depleted, sub‐Saharan African countries must prepare for this financial vacuum in health response. Therefore, the repeal of Roe v. Wade may lead to increased maternal morbidity and mortality in sub‐Saharan Africa, where access to safe and legal abortions is already limited.
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- 2023
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14. Obstacles to family planning use among rural women in Atiak Health Center IV, Amuru District, northern Uganda
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Ouma, S, Turyasima, M, Acca, H, Nabbale, F, Obita, KO, Rama, M, Adong, CC, Openy, A, Beatrice, MO, Odongo-Aginya, EI, and Awor, S
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Background: Uganda’s rapid population growth (3.2%) since 1948 has placed more demands on health sector and lowered living standard of Ugandans resulting into 49% of people living in acute poverty especially in post conflict Northern Uganda. The population rise was due to low use of contraceptive methods (21% in rural areas and 43% in urban areas) and coupled with high unmet need for family planning (41%). This indicated poor access to reproductive health services. Effective use of family planning could reduce the rapid population growth.Objective: To determine obstacles to family planning use among rural women in Northern Uganda.Design: A descriptive cross-sectional analytical study.Setting: Atiak Health Centre IV, Amuru District, rural Northern Uganda.Subjects: Four hundred and twenty four females of reproductive ages were selected from both Inpatient and Outpatient Departments of Atiak Health Centre IV.Results: There was high level of awareness 418 (98.6%), positive attitude 333 (78.6%) and fair level of utilisation 230 (54.2%) of family planning. However, significant obstacles to family planning usage included; long distance to Health facility, unavailability of preferred contraceptive methods, absenteeism of family planning providers, high cost of managing side effects, desire for big family size ,children dying less than five years old, husbands forbidding women from using family planning and lack of community leaders’ involvement in family planning programme.Conclusions: In spites of the high level of awareness, positive attitude, and free family planning services, there were obstacles that hindered family planning usage among these rural women. However, taking services close to people, reducing number of children dying before their fifth birthday, educating men about family planning, making sure family planning providers and methods are available, reducing cost of managing side effects and involving community leaders will improve utilisation of family planning and thus reduce the rapid population growth and poverty.
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- 2015
15. Impact of white matter lesions for depression associated with amnestic MCI and Alzheimer disease
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Yokote, A., primary, Ouma, S., additional, Inoue, K., additional, and Tsuboi, Y., additional
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- 2017
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16. The prevalence of levodopa induced motor complications and the associated factors in Parkinson disease patients: Study in a Japanese single center for movement disorder
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Nose, K., primary, Nose, K., additional, Fujioka, S., additional, Mishima, T., additional, Higuchi, M., additional, Ouma, S., additional, Tsugawa, J., additional, Fukae, J., additional, and Tsuboi, Y., additional
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- 2017
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17. Effectiveness of blood plasmalogen in differentiation among mild cognitive impairment, Mild Alzheimer's disease and normal elderly
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Ouma, S., primary, Tsuboi, Y., additional, Mawatari, S., additional, Yamada, T., additional, Asada, T., additional, Wakana, C., additional, and Fujino, T., additional
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- 2017
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18. Polycystic ovary syndrome and endometrial carcinoma
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Paul J. Hardiman, William Atiomo, and Ouma S Pillay
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Adult ,medicine.medical_specialty ,endocrine system diseases ,medicine.drug_class ,Context (language use) ,Comorbidity ,Risk Assessment ,Anovulation ,Pregnancy ,medicine ,Humans ,Gynecology ,business.industry ,Endometrial cancer ,nutritional and metabolic diseases ,General Medicine ,medicine.disease ,Prognosis ,Polycystic ovary ,female genital diseases and pregnancy complications ,Endometrial Neoplasms ,Oligomenorrhea ,Diabetes, Gestational ,Diabetes Mellitus, Type 1 ,Diabetes Mellitus, Type 2 ,Stein-Leventhal Syndrome ,Female ,Risk assessment ,business ,Progestin ,Polycystic Ovary Syndrome - Abstract
Summary Context An association between polycystic ovary syndrome (PCOS) and endometrial carcinoma was first suggested in 1949, 14 years after the original description of the syndrome. Since then several studies have been published that seem to support this association. The prescription of hormonal treatment to reduce the risk of this complication is supported by the Guidelines for Good Clinical Practice of the Royal College of Obstetricians and Gynaecologists, UK, the Health Information website of the National Library of Medicine, USA, and in textbooks of gynaecological oncology. Starting point A recent practice bulletin from the American College of Obstetricians and Gynecologists on the clinical management of PCOS ( Obstet Gynecol 2002; 100 : 1389–402) says that there is still no consensus on the "optimal progestin, duration and frequency of treatment to prevent endometrial cancer in women with PCOS". Chronic anovulation, obesity, and hyperinsulinaemia are all associated with PCOS as well as with endometrial carcinoma. It has been assumed that PCOS predisposes to endometrial cancer. However, the evidence for such an association is inconclusive. Although PCOS is associated with risk factors for endometrial cancer, it does not necessarily follow that the incidence or mortality from endometrial cancer is increased. Where next Large-scale studies of morbidity and mortality in unselected populations of women with PCOS are needed. Women with PCOS are increasingly aware of the possible risks, and it will be necessary to identify which of them, if any, are at increased risk and how this risk can be effectively reduced.
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- 2003
19. Assessing the Healthcare Landscape within Developing Nations: Impact on Design Reality Gaps
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Ouma, S., primary, Herselman, M., additional, Harper, R. de la, additional, and VanGruen, D., additional
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- 2010
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20. Starved for Science: How biotechnology is being kept out of Africa, by Robert Paarlberg
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Ouma, S., primary
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- 2009
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21. COVID-19 pandemic: impacts on the achievements of Sustainable Development Goals in Africa
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Goodness Ogeyi Odey, Abrar Gamal Abdallah Alawad, Ouma Sarah Atieno, Elsa Olubunmi Carew-Bayoh, Esther Fatuma, Isaac Olushola Ogunkola, and Don Eliseo Lucero-Prisno III
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africa ,sustainable development goals ,covid-19 ,Medicine - Abstract
Since the launch of the Sustainable Development Goals (SDGs) in 2015, Africa has made some progress towards its achievements, particularly in the area of gender equality- SDG 5, climate change -SDG 13 and preserving life on land- SDG 15. Although, some African countries have made tangible impact on the other goals such as health, food production and economic growth; these efforts experienced some setbacks with attention shifting to curbing the spread of the novel coronavirus. As much as mitigating the spread of the spread of COVID-19 is important, so is ensuring efforts made on other goals are not lost, as the SDGs are much interconnected, and failure in one impacts others. For the African continent to achieve sustainable development beyond COVID-19, strategic actions which will involve innovations, evaluations and strong political will towards implementations must be taken by relevant stakeholders, so the continent is not left behind in the global goals achievement by 2030.
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- 2021
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22. Poor neurodevelopment, nutritional and physical growth outcomes among children born to mothers with nodding syndrome.
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Nyakato M, Naggayi SK, Akun PR, Ononge S, Odong A, Baguma EA, Nansiiro H, Kalibbala D, Ouma S, Besigye I, and Idro R
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Introduction: Nodding syndrome (NS), a poorly understood severe neurological disorder develops in children. In Uganda, some NS cases have grown into child-bearing adults. Babies born to mothers with NS may be prone to impaired neurodevelopmental outcomes. Cognitive deficits in mothers with NS may further inhibit care offered to their children hence compromising neurocognitive development, physical growth, and behaviour., Objectives: The study aimed to determine the neurodevelopmental, behavioural, nutritional, and physical growth outcomes of children whose mothers have nodding syndrome., Methods: A comparative cross-sectional study was conducted between May 2021 and April 2022 in Northern Uganda. Children aged 0-5 years of mothers with NS were compared to those of mothers without NS, matched by age, gender and neighbouring residence. Neurodevelopment, behaviour, nutrition, and physical growth were assessed using standardized measures and t-tests employed for group comparisons of outcomes., Results: Overall,106 children participated. Fifty-three (53) were offspring of mothers with NS and 53 of mothers without NS; having a mean age of 26.9 (2.22) and 27.5(2.12) months respectively. Children whose mothers have NS had significantly lower neurodevelopmental scores than those of NS-unaffected mothers in fine motor (37.5(12.1) vs 44.2(14.3), p = 0.011), receptive language (37.8(10.8) vs 43.9(12.9), p = 0.010), overall cognitive development (74.36(17.8) vs 83.34(19.6), p = 0.015), and attention (0.64(0.20) vs 0.76(0.15), p = 0.001). There were no differences in the behaviour scores. Children of mothers with NS also had significantly lower weight-for-age z scores (WAZ) (p = 0.003) and length/height-for-age z scores (LAZ/HAZ) (p = 0.001); with 19(35.9 %) of them stunted., Conclusion: Children whose mothers have NS have poorer neurodevelopmental, nutritional, and physical growth outcomes. Interventions to improve outcomes in these children are warranted., Competing Interests: Conflicts of interest No potential conflict of interest was declared., (Copyright © 2024. Published by Elsevier Ltd.)
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- 2024
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23. Academic achievement in Ugandan children with sickle cell anaemia: A cross-sectional study.
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Naggayi SK, Bangirana P, Opoka RO, Ouma S, Nyangoma B, Birabwa A, Nambatya G, Kabatabaazi M, Nakitende AJ, Kalibbala D, Munube D, Kasirye P, Mupere E, Ssenkusu JM, Green NS, and Idro R
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Objective: Academic achievement in school-age children is crucial for advancing learning goals. Children with sickle cell anaemia (SCA) in Sub-Saharan Africa may be at risk of disease-associated school difficulties. Limited data exist on the academic achievement of children with SCA in the region. This study aimed to assess academic achievement of children with SCA in Uganda compared to siblings without SCA., Design and Setting: A cross-sectional study conducted at Mulago Hospital SCA Clinic in Uganda., Participants: School-going children (6-12 years) with SCA and age-matched sibling controls without SCA., Outcome Measures: Academic achievement was tested using the Wide Range Achievement Test, Fourth Edition (WRAT4). Outcome measures were spelling, mathematical computation, word reading, and sentence comprehension by age-normalized Z-scores on the WRAT4 test., Results: Among 68 SCA and 69 control, the mean age (standard deviation) was 9.44 (2.04) and 9.42 (2.02) years and males were 55.9% and 46.4% respectively. Mean haemoglobin was 7.9 (SD 0.89)g/dL in the SCA group versus 12.8 (SD 0.89)g/dL in the controls, (p<0.001). Children with SCA scored lower in spelling, (mean difference [95% confidence interval] - 0.36 [-0.02 to -0.69], p =0.04) and mathematical computation, (mean difference [95% confidence interval] -0.51 [-0.17 to -0.85], p =0.003) than the controls. In the SCA group, lower scores in spelling correlated with age, while males performed better than females in mathematical computation., Conclusion: School-aged children with SCA are at risk of poor performance in spelling and mathematical computation. Our findings support the need for educational evaluation and possible support, especially in these two areas., Competing Interests: Competing interests The authors have no competing interests.
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- 2024
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24. Ethnobotanical survey and phytochemistry of medicinal plants used in the management of HIV/AIDS in Eastern Uganda.
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Owor RO, Kawuma C, Nantale G, Kiyimba K, Obakiro SB, Ouma S, Lulenzi J, Gavamukulya Y, Chebijira M, Lukwago TW, Egor M, Musagala P, Andima M, Kibuule D, Waako P, and Hokello J
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Currently, highly active antiretroviral therapy is unable to cure HIV/AIDS because of HIV latency. This study aimed at documenting medicinal plants used in the management of HIV/AIDS in Eastern Uganda so as to identify phytochemicals with HIV latency reversing potential. An ethnobotanical survey was conducted across eight districts in Eastern Uganda. Traditional medicine practitioners were interviewed using semi-structured questionnaires. Qualitative and quantitative phytochemical tests were respectively, performed to determine the presence and quantity of phytochemicals in frequently mentioned plant species. Data were analysed and presented using descriptive statistics and Informant Consensus Factor (ICF). Twenty-one plant species from fourteen plant families were reported to be used in the management of HIV/AIDS. Six plant species with the highest frequency of mention were: Zanthoxylum chalybeum , Gymnosporia senegalensis , Warbugia ugandensis , Leonatis nepetifolia , Croton macrostachyus and Rhoicissus tridentata . Qualitative phytochemical analysis of all the six most frequently mentioned plant species revealed the presence of flavonoids, tannins, terpenoids, alkaloids and phenolics. Quantitative analysis revealed the highest content of flavonoids in L. nepetifolia (20.4 mg/g of dry extract) while the lowest content was determined in C. macrostachyus (7.1 mg/g of dry extract). On the other hand, the highest content of tannins was observed in L. nepetifolia . (199.9 mg/g of dry extract) while the lowest content was found in R. tridentata . (42.6 mg/g of dry extract). Medicinal plants used by traditional medicine practitioners in Eastern Uganda to manage HIV/AIDS are rich in phytochemicals including flavonoids and tannins. Further studies to evaluate the HIV-1 latency reversing ability of these phytochemicals are recommended to discover novel molecules against HIV/AIDS., Competing Interests: We wish to submit our original research article by Owor et al. titled, “Ethnobotanical survey and Phytochemistry of Medicinal Plants used in the Management of HIV/AIDS in Eastern Uganda”, for publication in the Heliyon Journal. We confirm that this is original research article which has not been submitted or published elsewhere and that the contents of the manuscript fit within the aims and scope of your Journal. The authors of this manuscript declare that there is no conflict of interest and that all authors have approved the final manuscript for publication. Considering all the above facts, we believe the manuscript is relevant for publication in your highly esteem Journal. Correspondence should be addressed to Dr. Joseph Hokello, Department of Biology, Faculty of Science and Education, Busitema University, P.O Box 236, Tororo, Uganda. E-mail: josfrah4@gmail.com.mailto:josfrah4@gmail.com, (© 2024 The Authors.)
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- 2024
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25. Efficacy of the Gulu University Reproductive Health Simulation Training for final year medical students and interns: a before-and-after study.
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Pebolo PF, Okot J, Bongomin F, Awor S, Arwinyo B, Ojara S, Opee J, Jackline A, Ssennuni E, and Ouma S
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Background: Reproductive health emergencies, such as postpartum hemorrhage, contribute significantly to maternal and neonatal morbidity and mortality in Uganda due to knowledge and skills gaps. Medical interns, intern midwives, and nurses are crucial as frontline healthcare workers in responding to these emergencies. Our proposed hands-on strategy involves comprehensive simulation-based training (SBT) to equip these healthcare workers with the essential knowledge to manage common reproductive health emergencies and procedures in the country., Objectives: The study aimed to assess the effectiveness of comprehensive SBT in improving the knowledge of interns and fifth-year medical students on reproductive health emergencies and procedures at Gulu University and its Teaching Hospitals in Uganda., Design: A before-and-after study., Methods: A 4-day SBT was conducted for fifth-year medical students and interns (nurses, midwives, and doctors) at Gulu University Teaching Hospitals, focusing on reproductive health emergencies. Pre- and post-tests with 40 multiple-choice questions were used to evaluate knowledge enhancement, the scores were summarized as medians and interquartile ranges. Paired sample t -tests was used to test the difference in pre- and post-test scores. Independent sample t -tests compared median post-test results between interns and students, with a p -value <0.05 considered significant., Results: A total of 153 participants were enrolled, the majority being males (78.4%, n = 120) and medical students (73.9%, n = 113). Among the 40 interns, 55% ( n = 22) were doctors, 30% ( n = 12) were midwives, and 15% ( n = 6) were nurses. The study participants showed an increase in knowledge, with median post-test scores higher than pre-test scores for all participants [63% (interquartile ranges, IQR: 57-71%) versus 49% (42-54%), with a median difference of 14% (8-23%), p < 0.001]., Conclusion: The SBT effectively imparts key knowledge competencies to the interns and fifth-year medical students. We recommend that SBT be included as part of the course units that students should take and for continuous medical education for qualified healthcare workers in resource-limited settings., Competing Interests: The authors declare that there is no conflict of interest., (© The Author(s), 2024.)
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- 2024
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26. Prevalence and risk factors of gross neurologic deficits in children after severe malaria: a systematic review protocol.
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Okullo AE, John CC, Idro R, Conroy AL, Kinengyere AA, Ojiambo KO, Otike C, Ouma S, Ocan M, Obuku EA, and van Hensbroek MB
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Background: Children exposed to severe malaria may recover with gross neurologic deficits (GND). Several risk factors for GND after cerebral malaria (CM), the deadliest form of severe malaria, have been identified in children. However, there is inconsistency between previously reported and more recent findings. Although CM patients are the most likely group to develop GND, it is not clear if other forms of severe malaria (non-CM) may also contribute to the malaria related GND. The aim of this systematic review is to synthesize evidence on the prevalence and risk factors for GND in children following CM and map the changes in patterns over time. In addition, this review will synthesize evidence on the reported prevalence and risk factors of gross neurologic deficits following other forms of severe malaria., Methods: The systematic review will be conducted according to recommendations of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses for Protocols (PRISMA-P). Relevant research articles will be identified using relevant search terms from the following databases: MEDLINE, Embase, Web of Science and Global Index Medicus (GIM). The articles will be screened at title and abstract, then at full text for inclusion using a priori eligibility criteria. Data extraction will be done using a tool developed and optimized in Excel spreadsheet. Risk of bias assessment will be done using appropriate tools including ROBINS-E ('Risk Of Bias In Non-randomized Studies of Exposure') tool, while publication bias will be assessed using funnel plot. A random-effects meta-analysis and structured narrative synthesis of the outcomes will be performed and results presented., Discussion: Findings from this systematic review will inform policy makers on planning, design and implementation of interventions targeting the treatment and rehabilitation of GND following severe malaria in children., Systematic Review Registration: The protocol is registered in the International Prospective Register of Systematic Reviews (PROSPERO), registration number CRD42022297109., Competing Interests: Competing interests The authors declare that they have no competing interest.
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- 2024
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27. Association between Brain White Matter Lesions and Disease Activity in HAM/TSP Patients.
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Tamaki K, Ouma S, Takahashi N, Fujioka S, and Tsuboi Y
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Human T-cell leukemia virus type 1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) patients may have brain white matter (WM) lesions, but the association of these lesions with disease activity is poorly understood. We retrospectively evaluated the brain WM lesions of 22 HAM/TSP patients (male 4: female 18) including 5 rapid progressors, 16 slow progressors, and 1 very slow progressor. The severity of WM brain lesions on axial Fluid Attenuated Inversion Recovery images was evaluated utilizing the Fazekas scale, cerebrospinal fluid biomarkers, and proviral load in peripheral blood mononuclear cells. Imaging and biological data were compared at the first visit and a subsequent visit more than 4 years later. Patients with comorbidities including adult T-cell leukemia-lymphoma and cerebrovascular disease were excluded. The results revealed that brain WM lesions in the rapid progressors group were more pronounced than those in slow progressors. In patients with HAM/TSP, severe and persistent inflammation of the spinal cord may cause brain WM lesions.
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- 2024
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28. Isoniazid preventive therapy completion between July-September 2019: A comparison across HIV differentiated service delivery models in Uganda.
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Mugenyi L, Namuwenge PM, Ouma S, Bakashaba B, Nanfuka M, Zech J, Agaba C, Mijumbi Ojok A, Kaliba F, Bossa Kato J, Opito R, Miya Y, Katureebe C, and Hirsch-Moverman Y
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- Female, Humans, Antitubercular Agents therapeutic use, Isoniazid therapeutic use, Uganda, Male, HIV Infections drug therapy, HIV Infections complications, Tuberculosis drug therapy, Tuberculosis prevention & control, Tuberculosis complications
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Background: Tuberculosis (TB) remains the leading cause of death among people living with HIV (PLHIV). To prevent TB among PLHIV, the Ugandan national guidelines recommend Isoniazid Preventive Therapy (IPT) across differentiated service delivery (DSD) models, an effective way of delivering ART. DSD models include Community Drug Distribution Point (CDDP), Community Client-led ART Delivery (CCLAD), Facility-Based Individual Management (FBIM), Facility-Based Group (FBG), and Fast Track Drug Refill (FTDR). Little is known about the impact of delivering IPT through DSD., Methods: We reviewed medical records of PLHIV who initiated IPT between June-September 2019 at TASO Soroti (TS), Katakwi Hospital (KH) and Soroti Regional Referral Hospital (SRRH). We defined IPT completion as completing a course of isoniazid within 6-9 months. We utilized a modified Poisson regression to compare IPT completion across DSD models and determine factors associated with IPT completion in each DSD model., Results: Data from 2968 PLHIV were reviewed (SRRH: 50.2%, TS: 25.8%, KH: 24.0%); females: 60.7%; first-line ART: 91.7%; and Integrase Strand Transfer Inhibitor (INSTI)-based regimen: 61.9%. At IPT initiation, the median age and duration on ART were 41.5 (interquartile range [IQR]; 32.3-50.2) and 6.0 (IQR: 3.7-8.6) years, respectively. IPT completion overall was 92.8% (95%CI: 91.8-93.7%); highest in CDDP (98.1%, 95%CI: 95.0-99.3%) and lowest in FBG (85.8%, 95%CI: 79.0-90.7%). Compared to FBIM, IPT completion was significantly higher in CDDP (adjusted rate ratio [aRR] = 1.15, 95%CI: 1.09-1.22) and CCLAD (aRR = 1.09, 95% CI 1.02-1.16). In facility-based models, IPT completion differed between sites (p<0.001). IPT completion increased with age for FBIM and CCLAD and was lower among female participants in the CCLAD (aRR = 0.82, 95%CI 0.67-0.97)., Conclusion: IPT completion was high overall but highest in community-based models. Our findings provide evidence that supports integration of IPT within DSD models for ART delivery in Uganda and similar settings., Competing Interests: The authors have declared that no competing interests exist, (Copyright: © 2024 Mugenyi et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
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- 2024
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29. Integrated management of HIV, diabetes, and hypertension in sub-Saharan Africa (INTE-AFRICA): a pragmatic cluster-randomised, controlled trial.
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Kivuyo S, Birungi J, Okebe J, Wang D, Ramaiya K, Ainan S, Tumuhairwe F, Ouma S, Namakoola I, Garrib A, van Widenfelt E, Mutungi G, Jaoude GA, Batura N, Musinguzi J, Ssali MN, Etukoit BM, Mugisha K, Shimwela M, Ubuguyu OS, Makubi A, Jeffery C, Watiti S, Skordis J, Cuevas L, Sewankambo NK, Gill G, Katahoire A, Smith PG, Bachmann M, Lazarus JV, Mfinanga S, Nyirenda MJ, and Jaffar S
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- Female, Humans, Male, Tanzania epidemiology, Anti-HIV Agents therapeutic use, Diabetes Mellitus therapy, Diabetes Mellitus drug therapy, HIV Infections complications, HIV Infections epidemiology, HIV Infections therapy, Hypertension therapy, Hypertension drug therapy
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Background: In sub-Saharan Africa, health-care provision for chronic conditions is fragmented. The aim of this study was to determine whether integrated management of HIV, diabetes, and hypertension led to improved rates of retention in care for people with diabetes or hypertension without adversely affecting rates of HIV viral suppression among people with HIV when compared to standard vertical care in medium and large health facilities in Uganda and Tanzania., Methods: In INTE-AFRICA, a pragmatic cluster-randomised, controlled trial, we randomly allocated primary health-care facilities in Uganda and Tanzania to provide either integrated care or standard care for HIV, diabetes, and hypertension. Random allocation (1:1) was stratified by location, infrastructure level, and by country, with a permuted block randomisation method. In the integrated care group, participants with HIV, diabetes, or hypertension were managed by the same health-care workers, used the same pharmacy, had similarly designed medical records, shared the same registration and waiting areas, and had an integrated laboratory service. In the standard care group, these services were delivered vertically for each condition. Patients were eligible to join the trial if they were living with confirmed HIV, diabetes, or hypertension, were aged 18 years or older, were living within the catchment population area of the health facility, and were likely to remain in the catchment population for 6 months. The coprimary outcomes, retention in care (attending a clinic within the last 6 months of study follow-up) for participants with either diabetes or hypertension (tested for superiority) and plasma viral load suppression for those with HIV (>1000 copies per mL; tested for non-inferiority, 10% margin), were analysed using generalised estimating equations in the intention-to-treat population. This trial is registered with ISCRTN 43896688., Findings: Between June 30, 2020, and April 1, 2021 we randomly allocated 32 health facilities (17 in Uganda and 15 in Tanzania) with 7028 eligible participants to the integrated care or the standard care groups. Among participants with diabetes, hypertension, or both, 2298 (75·8%) of 3032 were female and 734 (24·2%) of 3032 were male. Of participants with HIV alone, 2365 (70·3%) of 3365 were female and 1000 (29·7%) of 3365 were male. Follow-up lasted for 12 months. Among participants with diabetes, hypertension, or both, the proportion alive and retained in care at study end was 1254 (89·0%) of 1409 in integrated care and 1457 (89·8%) of 1623 in standard care. The risk differences were -0·65% (95% CI -5·76 to 4·46; p=0·80) unadjusted and -0·60% (-5·46 to 4·26; p=0·81) adjusted. Among participants with HIV, the proportion who had a plasma viral load of less than 1000 copies per mL was 1412 (97·0%) of 1456 in integrated care and 1451 (97·3%) of 1491 in standard care. The differences were -0·37% (one-sided 95% CI -1·99 to 1·26; p
non-inferiority <0·0001 unadjusted) and -0·36% (-1·99 to 1·28; pnon-inferiority <0·0001 adjusted)., Interpretation: In sub-Saharan Africa, integrated chronic care services could achieve a high standard of care for people with diabetes or hypertension without adversely affecting outcomes for people with HIV., Funding: European Union Horizon 2020 and Global Alliance for Chronic Diseases., Competing Interests: Declaration of interests We declare no competing interests., (Copyright © 2023 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license. Published by Elsevier Ltd.. All rights reserved.)- Published
- 2023
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30. Pre-exposure prophylaxis use among female sex workers in Gulu city, Uganda: a community-based cross-sectional study.
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Bongomin F, Kibone W, Okot J, Ouma S, Madraa G, Ojara FW, Musoke D, and Pebolo PF
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Background: Pre-exposure prophylaxis (PrEP) is an important intervention for reducing the risk of HIV transmission among high-risk populations such as female sex workers in Africa, where HIV prevalence remains high. We aimed to assess the use of PrEP among female sex workers in Gulu, Uganda., Methods: In this community-based cross-sectional study, we included HIV-negative female sex workers purposely selected from hotspots within Gulu city, Uganda between February and March 2023. A semi-structured questionnaire was administered to collect data on sociodemographic characteristics, reproductive data, sexual practices, and self-reported PrEP use in the past 3 months. Symptoms of depression were screened using Patient Health Questionnaire-2 tool. Predictors of PrEP use was determined using modified Poisson regression analysis model. p < 0.05 was considered statistically significant., Results: We enrolled 273 female sex workers with a median age of 27 (interquartile range: 24-32) years. Overall, 181 (66.3%) participants used PrEP. PrEP use was associated with; regular source of income beside sex work [adjusted prevalence ratio (aPR): 3.7, 95% confidence interval (CI): 2.11-6.35, p < 0.001], being in a polygamous marriage (aPR: 6.9, 95% CI: 1.32-35.77, p = 0.022), practicing sex work in both rural and urban areas (aPR: 2.5, 95% CI: 1.49-4.35, p < 0.001), having symptoms of depression (aPR: 3.3, 95% CI: 1.43-7.74, p = 0.005), and use of postexposure prophylaxis (PEP) in the past 12 months (aPR: 0.31, 95% CI: 0.17-0.59, p < 0.001)., Conclusion: Almost two in three of the female sex workers in Gulu city were currently using PrEP. Previous use of PEP was associated with lower use of PrEP. These findings suggest the need for targeted interventions to increase PrEP uptake and decrease HIV acquisition in this high-risk population among female sex workers, especially those with low income and limited access to healthcare., Competing Interests: The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article., (© The Author(s), 2023.)
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- 2023
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31. Dual contraceptive use and associated factors among female sex workers in Gulu City, Uganda in 2023.
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Bongomin F, Pebolo PF, Kibone W, Apio PO, Nsenga L, Okot J, Madraa G, Laker FG, Akello M, Ouma S, and Musoke D
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Background: Dual contraception is an essential approach to mitigating the heightened risks of unintended pregnancies and sexually transmitted infections faced by female sex workers (FSWs). We determined the prevalence and factors associated with dual contraceptive use among FSWs in Northern Uganda., Methods: A cross-sectional study was conducted in Gulu city, Uganda between February, and March 2023. Purposively selected FSWs aged 18 years or older who provided verbal informed consent were enrolled in the study. A sample size of 374 was estimated. Data on sociodemographic and reproductive health characteristics were collected using an interviewer-administered semi-structured questionnaire. Current dual contraception was defined the as concurrent use of a barrier and any other modern contraceptive methods within the last 3 months. Continuous variables were summarized using mean and standard deviation and categorical variables were summarized using frequencies and percentages. Modified Poisson regression analysis was used to determine factors associated with dual contraceptive use., Results: We enrolled 314 FSWs, with a mean age of 28.8 ± 6.4 years. About 13.8% (n = 41) were living with HIV. In total, 66.2% (95%CI 60.8-71.3) of the participants (n = 208) reported current dual contraceptive use. The most common modern contraceptive method used was the implants (52.4%, n = 109), followed by injectable contraceptives (22.6.0%, n = 47), and bilateral tubal ligation (0.5%, n = 1) was the least utilized. Having had at least one previous pregnancy was positively associated with dual contraceptive use (adjusted PR: 1.87, 95%CI 1.40-2.51, p < 0.001)., Conclusions: A high proportion of FSWs in Gulu city were currently using dual contraceptives. Interventions are needed to facilitate the use of dual contraception, particularly among FSWs without a history of previous pregnancies., (© 2023. Japanese Society of Tropical Medicine.)
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- 2023
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32. Victimization among adolescents of female sex workers: findings from the children of at-risk parents (CARP) study in Uganda.
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Ouma S, Abbo C, Natala N, McCoy M, and Kroupina M
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- Cross-Sectional Studies, Humans, Male, Female, Child, Adolescent, Uganda epidemiology, Prevalence, Crime Victims, Parents, Sex Workers psychology
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Background: Female sex workers (FSWs) live and work in high-risk environments, experience high levels of adversity, and have multigenerational trauma that can negatively affect their children. Yet not much is known about the prevalence of victimization (i.e., exposure to maltreatment and trauma) among children of FSWs. This study compared the prevalence of lifetime victimization among adolescents of FSWs and adolescents of non-FSWs in Gulu City, Northern Uganda., Methods: A comparative cross-sectional study was conducted among adolescents (10-17 years) enrolled in the Children of At-Risk Parents (CARP) study. This study included 147 adolescents of FSWs and 147 adolescents of non-FSWs selected for comparison in Gulu City, Northern Uganda. The adolescents of FSWs were identified through their mothers using respondent-driven sampling. Data on the residence of FSWs guided a proportionate stratified sampling of adolescents of non-FSWs. Using the Juvenile Victimization Questionnaire, we screened for 34 different types of victimization during participants' lifetimes. Percentage point differences within groups of adolescents and comparison between adolescents of FSWs and non-FSWs were calculated using STATA version 14.1. Statistical significance was set to p < 0.05., Results: 99.3% of the participants experienced at least one form of lifetime victimization. The median number of lifetime victimizations was 12.4. Overall, lifetime victimization was higher among adolescents of FSWs than non-FSWs (13.4 vs. 11.5), male vs. female adolescents (13.4 vs. 11.9), and older [14-17 years] vs. younger (10-13 years) adolescents (14.0 vs. 11.7). Further, more adolescents of FSWs experienced lifetime victimization in the following domains and subdomains, all of which were statistically significant: kidnap (15.8% vs. 4.8%), emotional abuse (65.8% vs. 50.0%), emotional neglect (37.4% vs. 21.1%), physical intimidation (10.2% vs. 4.1%), relational aggression (36.4% vs. 18.4%), verbal aggression (68.7% vs. 46.9%), sexual victimization (31.3% vs. 17.7%), verbal sexual harassment (20.4% vs. 5.4%), exposure to murder scene (42.9% vs. 26.5%), witness to domestic violence (39.5% vs. 26.5%), and witness to the murder of relatives (31.3% vs. 21.1%). Conversely, more adolescents of non-FSWs experienced caregiver victimization than the adolescents of FSWs (98.0 vs. 92.5; p < 0.05)., Conclusions: Childhood victimization is highly prevalent in Northern Uganda and disproportionately affects the adolescents of FSWs. Therefore, government and development partners should urgently develop policies and interventions targeting prevention, early detection, and timely management of victimization in this vulnerable population., (© 2023. The Author(s).)
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- 2023
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33. Metabolic changes in the plasma of mild Alzheimer's disease patients treated with Hachimijiogan.
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Kainuma M, Kawakatsu S, Kim JD, Ouma S, Iritani O, Yamashita KI, Ohara T, Hirano S, Suda S, Hamano T, Hieda S, Yasui M, Yoshiiwa A, Shiota S, Hironishi M, Wada-Isoe K, Sasabayashi D, Yamasaki S, Murata M, Funakoshi K, Hayashi K, Shirafuji N, Sasaki H, Kajimoto Y, Mori Y, Suzuki M, Ito H, Ono K, and Tsuboi Y
- Abstract
Background: Alzheimer's disease (AD), the most prevalent form of dementia, is a debilitating, progressive neurodegeneration. Amino acids play a wide variety of physiological and pathophysiological roles in the nervous system, and their levels and disorders related to their synthesis have been related to cognitive impairment, the core feature of AD. Our previous multicenter trial showed that hachimijiogan (HJG), a traditional Japanese herbal medicine (Kampo), has an adjuvant effect for Acetylcholine estelase inhibitors (AChEIs) and that it delays the deterioration of the cognitive dysfunction of female patients with mild AD. However, there are aspects of the molecular mechanism(s) by which HJG improves cognitive dysfunction that remain unclear. Objectives: To elucidate through metabolomic analysis the mechanism(s) of HJG for mild AD based on changes in plasma metabolites. Methods: Sixty-seven patients with mild AD were randomly assigned to either an HJG group taking HJG extract 7.5 g/day in addition to AChEI or to a control group treated only with AChEI (HJG:33, Control:34). Blood samples were collected before, 3 months, and 6 months after the first drug administration. Comprehensive metabolomic analyses of plasma samples were done by optimized LC-MS/MS and GC-MS/MS methods. The web-based software MetaboAnalyst 5.0 was used for partial least square-discriminant analysis (PLS-DA) to visualize and compare the dynamics of changes in the concentrations of the identified metabolites. Results: The VIP (Variable Importance in Projection) score of the PLS-DA analysis of female participants revealed a significantly higher increase in plasma metabolite levels after HJG administration for 6 months than was seen in the control group. In univariate analysis, the aspartic acid level of female participants showed a significantly higher increase from baseline after HJG administration for 6 months when compared with the control group. Conclusion: Aspartic acid was a major contributor to the difference between the female HJG and control group participants of this study. Several metabolites were shown to be related to the mechanism of HJG effectiveness for mild AD., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. Tsumura & Co. (Tokyo, Japan) provided TSUMURA hachimijiogan (TJ-7) Extract Granules for Ethical Use free of charge., (Copyright © 2023 Kainuma, Kawakatsu, Kim, Ouma, Iritani, Yamashita, Ohara, Hirano, Suda, Hamano, Hieda, Yasui, Yoshiiwa, Shiota, Hironishi, Wada-Isoe, Sasabayashi, Yamasaki, Murata, Funakoshi, Hayashi, Shirafuji, Sasaki, Kajimoto, Mori, Suzuki, Ito, Ono and Tsuboi.)
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- 2023
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34. Associations of psychological inflexibility with posttraumatic stress disorder and adherence to COVID-19 control measures among refugees in Uganda: The moderating role of coping strategies.
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Baluku MM, Nansubuga F, Kibanja GM, Ouma S, Balikoowa R, Nansamba J, Ruto G, Kawooya K, and Musanje K
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Refugees are vulnerable to developing mental health problems. The unprecedented appearance and rapid spread of COVID-19 exacerbated this vulnerability, especially in low-income countries where refugees survive on humanitarian aid and live in congested settlements. These appalling living conditions are a stressor, making adherence to COVID-19 control measures impractical and an additional psychological strain for refugees. The present study examined how psychological inflexibility is associated with adherence to COVID-19 control measures. A sample of 352 refugees from Kampala City and Bidibidi settlements were recruited. Refugees with high levels of psychological inflexibility reported higher PTSD symptom severity and low adherence to COVID-19 control measures. Moreover, PTSD severity mediated the association between psychological inflexibility and adherence, while avoidance coping moderated both direct and indirect effects. Interventions for reducing psychological inflexibility and avoidance coping may be essential in boosting adherence to measures relevant to the current and future status of the pandemic, along with other crises that refugees face., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2023 Association for Contextual Behavioral Science. Published by Elsevier Inc. All rights reserved.)
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- 2023
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35. Factors associated with prevalent Mycobacterium tuberculosis infection and disease among adolescents and adults exposed to rifampin-resistant tuberculosis in the household.
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Kim S, Hesseling AC, Wu X, Hughes MD, Shah NS, Gaikwad S, Kumarasamy N, Mitchell E, Leon M, Gonzales P, Badal-Faesen S, Lourens M, Nerette S, Shenje J, de Koker P, Nedsuwan S, Mohapi L, Chakalisa UA, Mngqbisa R, Escada RODS, Ouma S, Heckman B, Naini L, Gupta A, Swindells S, and Churchyard G
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- Adolescent, Adult, Female, Humans, Male, Cross-Sectional Studies, Rifampin therapeutic use, Risk Factors, Tuberculin Test, Drug Resistance, Bacterial, Mycobacterium tuberculosis, Tuberculosis epidemiology, Tuberculosis, Pulmonary drug therapy, Tuberculosis, Pulmonary epidemiology, Tuberculosis, Pulmonary diagnosis
- Abstract
Background: Understanding factors associated with prevalent Mycobacterium tuberculosis infection and prevalent TB disease in household contacts of patients with drug-resistant tuberculosis (TB) may be useful for TB program staff conducting contact investigations., Methods: Using data from a cross-sectional study that enrolled index participants with rifampin-resistant pulmonary TB and their household contacts (HHCs), we evaluated HHCs age ≥15 years for factors associated with two outcomes: Mycobacterium tuberculosis infection and TB disease. Among HHCs who were not already diagnosed with current active TB disease by the TB program, Mycobacterium tuberculosis infection was determined by interferon-gamma release assay (IGRA). TB disease was adjudicated centrally. We fitted logistic regression models using generalized estimating equations., Results: Seven hundred twelve HHCs age ≥15 years enrolled from 279 households in eight high-TB burden countries were a median age of 34 years, 63% female, 22% current smokers and 8% previous smokers, 8% HIV-positive, and 11% previously treated for TB. Of 686 with determinate IGRA results, 471 tested IGRA positive (prevalence 68.8% (95% Confidence Interval: 64.6%, 72.8%)). Multivariable modeling showed IGRA positivity was more common in HHCs aged 25-49 years; reporting prior TB treatment; reporting incarceration, substance use, and/or a period of daily alcohol use in the past 12 months; sharing a sleeping room or more evenings spent with the index participant; living with smokers; or living in a home of materials typical of low socioeconomic status. Forty-six (6.5% (95% Confidence Interval: 4.6%, 9.0%)) HHCs age ≥15 years had prevalent TB disease. Multivariable modeling showed higher prevalence of TB disease among HHCs aged ≥50 years; reporting current or previous smoking; reporting a period of daily alcohol use in the past 12 months; and reporting prior TB treatment., Conclusion: We identified overlapping and distinct characteristics associated with Mycobacterium tuberculosis infection and TB disease that may be useful for those conducting household TB investigations., Competing Interests: The authors have declared that no competing interests exist., (Copyright: © 2023 Kim et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
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- 2023
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36. Evaluation of a tailored epilepsy training program for healthcare providers in Uganda.
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Arinda A, Ouma S, Kalani K, Ramasubramanian P, Johnson T, Charles A, Newson C, Ratliff O, Kakooza-Mwesige A, Njeru P, Kaddumukasa M, Kaddumukasa M, Kolls B, Husain A, Tchapyjnikov D, Haglund M, Fuller A, Prose N, and Koltai D
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- Humans, Female, Adult, Uganda epidemiology, Hospitals, Program Evaluation, Health Personnel education, Epilepsy diagnosis, Epilepsy therapy
- Abstract
Objective: This study evaluated an epilepsy training program for healthcare workers that was designed to improve their knowledge of epilepsy, its treatment, and its psychosocial effects., Methods: This single group, before and after survey was conducted in three regional referral hospitals in Uganda. Healthcare workers participated in a 3-day epilepsy training program and were assessed immediately prior to and following the program using a 39-item epilepsy knowledge questionnaire. Pretest to posttest changes and acceptability ratings were analyzed., Results: Twenty healthcare workers from each of our three study hospitals (N = 60) participated in the study. The average age of the participants was 39.9 years (SD = 9.6). Female participants constituted 45% of the study population. There was a significant improvement in the knowledge of healthcare workers about epilepsy following the training (t = 7.15, p < 0.001). Improvement was seen across the three sub-scores of general knowledge about epilepsy, assessment and diagnosis of epilepsy, and management of epilepsy. Subgroup analysis showed that both high and low baseline scorers showed significant training gains., Conclusions: The study suggested that our training program was effective in improving the knowledge of health workers about epilepsy and that participants had favorable impressions of the program. Further work is needed to determine if the knowledge is retained over time and if the change in knowledge translates into a change in clinical practice., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022. Published by Elsevier Inc.)
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- 2023
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37. Characteristics, treatment outcomes and experiences of COVID-19 patients under home-based care in Kapelebyong district in Uganda: a mixed-methods study.
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James E, Wanume B, Musaba MW, Nantale R, Mutaki V, Nambozo B, Okia D, Soita D, Napyo A, Matovu JKB, Namulondo R, Lubaale J, Okello F, Mulebeke R, Kakuru A, Amejje N, Emojong D, Okolimong C, Ouma S, Okware S, Olupot-Olupot P, and Mukunya D
- Abstract
Background: A rapid increase in community transmission of COVID-19 across the country overwhelmed Uganda's health care system. In response, the Ministry of Health adopted the home-based care strategy for COVID-19 patients with mild-to-moderate disease. We determined the characteristics, treatment outcomes and experiences of COVID-19 patients under home-based care during the second wave in Kapelebyong district, in eastern Uganda., Methods: We conducted a sequential explanatory mixed-methods study. We first collected quantitative data using an interviewer-administered questionnaire to determine characteristics and treatment outcomes of COVID-19 patients under home-based care. Cured at home was coded as 1 (considered a good outcome) while being admitted to a health facility and/or dying were coded as 0 (considered poor outcomes). Thereafter, we conducted 11 in-depth interviews to explore the experiences of COVID-19 patients under home-based care. Multivariable logistic regression was used to assess factors associated with poor treatment outcomes using Stata v.15.0. Thematic content analysis was used to explore lived experiences of COVID-19 patients under home-based care using NVivo 12.0.0 RESULTS: A total of 303 study participants were included. The mean age ± standard deviation of participants was 32.2 years ± 19.9. Majority of the participants [96.0% (289/303)] cured at home, 3.3% (10/303) were admitted to a health facility and 0.7% (2/303) died. Patients above 60 years of age had 17.4 times the odds of having poor treatment outcomes compared to those below 60 years of age (adjusted odds ratio (AOR): 17.4; 95% CI: 2.2-137.6). Patients who spent more than one month under home-based care had 15.3 times the odds of having poor treatment outcomes compared to those that spent less than one month (AOR: 15.3; 95% CI: 1.6-145.7). From the qualitative interviews, participants identified stigma, fear, anxiety, rejection, not being followed up by health workers and economic loss as negative experiences encountered during home-based care. Positive lived experiences included closeness to friends and family, more freedom, and easy access to food., Conclusion: Home-based care of COVID-19 was operational in eastern Uganda. Older age (> 60 years) and prolonged illness (> 1 months) were associated with poor treatment outcomes. Social support was an impetus for home-based care., (© 2022. The Author(s).)
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- 2022
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38. An exploratory, open-label, randomized, multicenter trial of hachimijiogan for mild Alzheimer's disease.
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Kainuma M, Ouma S, Kawakatsu S, Iritani O, Yamashita KI, Ohara T, Hirano S, Suda S, Hamano T, Hieda S, Yasui M, Yoshiiwa A, Shiota S, Hironishi M, Wada-Isoe K, Sasabayashi D, Yamasaki S, Murata M, Funakoshi K, Hayashi K, Shirafuji N, Sasaki H, Kajimoto Y, Mori Y, Suzuki M, Ito H, Ono K, and Tsuboi Y
- Abstract
Background: Alzheimer's disease (AD) is a progressive neurodegeneration and is the most prevalent form of dementia. Intervention at an early stage is imperative. Although three acetylcholinesterase inhibitors (AChEIs) are currently approved for the treatment of mild AD, they are not sufficiently effective. Novel treatments for mild AD are of utmost importance. Objective: To assess the effectiveness of hachimijiogan (HJG), a traditional Japanese herbal medicine (Kampo), in the treatment of mild AD. Methods: This exploratory, open-label, randomized, multicenter trial enrolled patients with mild AD whose score on the Mini Mental State Examination (MMSE) was over 21points. All participants had been taking the same dosage of AChEI for more than 3 months. The participants were randomly assigned to an HJG group taking HJG extract 7.5 g/day in addition to AChEI or to a control group treated only with AChEI. The primary outcome was the change from baseline to 6 months post treatment initiation on the Alzheimer's Disease Assessment Scale-cognitive component- Japanese version(ADAS-Jcog). The secondary outcomes were change from baseline of the Instrumental Activity of Daily Life (IADL), Apathy scale, and Neuropsychiatric Inventory (NPI) -Q score. Results: Among the 77 enrollees, the data of 69(34 HJG and 35 control)were available for analysis. The difference in the change of ADAS-Jcog from baseline to 6 months of the HJG and control groups was 1.29 (90% Confidence interval (CI), -0.74 to 3.32 p = 0.293). In the subgroup analysis, the differences in the change from baseline to 3 and 6 months for women were 3.70 (90% CI ,0.50 to 6.91, p = 0.059) and 2.90 (90% CI,0.09 to 5.71, p = 0.090), respectively. For patients over 65 years, the difference at 3 months was 2.35 (90%CI, 0.01 to 4.68 p = 0.099). No significant differences were found between the HJG and control groups in IADL score, Apathy scale, or NPI-Q score. Conclusion: Although not conclusive, our data indicate that HJG has an adjuvant effect for acetylcholinesterase inhibitors and that it delays the deterioration of the cognitive dysfunction of mild Altzheimer's disease patients. Clinical Trial Registration: http://clinicaltrials.gov Japan Registry of clinical trials, identifier jRCTs 071190018., Competing Interests: MK received a research grant from Tsumura that is not related to this study. Tsumura and Co. (Tokyo, Japan) provided TSUMURA hachimijiogan (TJ-7) Extract Granules for Ethical Use free of charge. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Kainuma, Ouma, Kawakatsu, Iritani, Yamashita, Ohara, Hirano, Suda, Hamano, Hieda, Yasui, Yoshiiwa, Shiota, Hironishi, Wada-Isoe, Sasabayashi, Yamasaki, Murata, Funakoshi, Hayashi, Shirafuji, Sasaki, Kajimoto, Mori, Suzuki, Ito, Ono and Tsuboi.)
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- 2022
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39. Role of cytochrome P450 for vitamin D metabolisms in patients with neurodegenerative disorders.
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Kakimoto A, Ogura H, Suenaga M, Mishima T, Fujioka S, Ouma S, Matsunaga Y, and Tsuboi Y
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Introduction: We previously reported lower serum 25-hydroxyvitamin D concentrations in patients with Alzheimer's disease (AD), Parkinson's disease (PD) and Multiple system atrophy (MSA) compared to healthy controls (HC), whereas 1,25-di-hydroxyvitamin D levels were solely lower in MSA patients. We investigate serum concentrations of P450 involved in Vitamin D(VD) hydroxylation to clarify the responsible hydroxylase for the low serum concentrations of VD metabolites., Methods: A total of 79 individuals were enrolled including 20 HC, 20 AD, 19 PD and 20 MSA patients. The serum concentrations of P450 involved in VD hydroxylation were assayed by ELISA. The data were analyzed by the nonparametric Kruskal-Wallis test between groups., Results: Though CYP2R1 and CYP27A1 mediate 25-hydroxylation for VD, CYP2R1 is the main hydroxylase, and CYP27A1 is also involved in VD synthesis. CYP2R1 concentrations showed no differences among groups, while lower CYP27A1 concentrations were found in PD (p < 0.05) and MSA (p < 0.005) compared to HC and differences between AD and MSA (p < 0.05), however no differences between PD and MSA. CYP27B1 is the main 1α-hydroxylase for 25-hydroxyvitamin D and showed differences between HC and PD (p < 0.05), between HC and MSA (p < 0.005) and between PD and MSA (p = 0.055). CYP24A1, which inactivate 1,25-di-hydroxyvitamin D, showed no differences among groups., Conclusions: CYP27A1 might affect VD synthesis and cause low 25-hydroxyvitamin D levels in AD, PD and MSA patients. Low 1,25-di-hydroxyvitamin D levels in MSA patients might be caused by impaired feedback mediated by CYP27B1., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2022 The Author(s).)
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- 2022
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40. Incidence of tuberculosis among PLHIV on antiretroviral therapy who initiated isoniazid preventive therapy: A multi-center retrospective cohort study.
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Kazibwe A, Oryokot B, Mugenyi L, Kagimu D, Oluka AI, Kato D, Ouma S, Tayebwakushaba E, Odoi C, Kakumba K, Opito R, Mafabi CG, Ochwo M, Nkabala R, Tusiimire W, Kateeba Tusiime A, Alinga SB, Miya Y, Etukoit MB, Biraro IA, and Kirenga B
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- Antitubercular Agents therapeutic use, Cohort Studies, Humans, Incidence, Isoniazid therapeutic use, Multicenter Studies as Topic, Retrospective Studies, World Health Organization, HIV Infections complications, HIV Infections drug therapy, HIV Infections epidemiology, Tuberculosis complications, Tuberculosis epidemiology, Tuberculosis prevention & control
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Introduction: Isoniazid preventive therapy (IPT) is effective in treating tuberculosis (TB) infection and hence limiting progression to active disease. However, the durability of protection, associated factors and cost-effectiveness of IPT remain uncertain in low-and-middle income countries, Uganda inclusive. The Uganda Ministry of health recommends a single standard-dose IPT course for eligible people living with HIV (PLHIV). In this study we determined the incidence, associated factors and median time to TB diagnosis among PLHIV on Antiretroviral therapy (ART) who initiated IPT., Materials and Methods: We conducted a retrospective cohort study at eleven The AIDS Support Organization (TASO) centers in Uganda. We reviewed medical records of 2634 PLHIV on ART who initiated IPT from 1st January 2016 to 30th June 2018, with 30th June 2021 as end of follow up date. We analyzed study data using STATA v.16. Incidence rate was computed as the number of new TB cases divided by the total person months. A Frailty model was used to determine factors associated with TB incidence., Results: The 2634 individuals were observed for 116,360.7 person months. IPT completion rate was 92.8%. Cumulative proportion of patients who developed TB in this cohort was 0.83% (22/2634), an incidence rate of 18.9 per 100,000 person months. The median time to TB diagnosis was 18.5 months (minimum- 0.47; maximum- 47.3, IQR: 10.1-32.4). World Health Organization (WHO) HIV clinical stage III (adjusted hazard ratio (aHR) 95%CI: 3.66 (1.08, 12.42) (P = 0.037) and discontinuing IPT (aHR 95%CI: 25.96(4.12, 169.48) (p = 0.001)), were associated with higher odds of TB diagnosis compared with WHO clinical stage II and IPT completion respectively., Conclusion: Incidence rates of TB were low overtime after one course of IPT, and this was mainly attributed to high completion rates., Competing Interests: The authors have declared that no competing interests exist.
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- 2022
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41. Factors associated with the uptake of long-acting reversible contraception among female sex workers in post-conflict Northern Uganda: a cross-sectional study.
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Ouma S, Tumwesigye NM, Abbo C, and Ndejjo R
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- Adolescent, Adult, Contraception Behavior, Cross-Sectional Studies, Female, Humans, Middle Aged, Pregnancy, Uganda, Young Adult, Long-Acting Reversible Contraception, Sex Workers
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Background: Long-acting reversible contraception (LARC) is the most effective and reliable contraception option for female sex workers (FSWs) who desire future fertility. Unlike the other reversible contraceptive methods, LARC use requires only periodic users' involvement at the time of application and re-application. However, only a few studies on LARC uptake among FSWs are available in Uganda. To fill this knowledge gap, we examined factors associated with the uptake of LARC among FSWs in post-conflict Northern Uganda., Methods: We conducted a cross-sectional study among adult FSWs operating in the post-conflict Gulu district in Northern Uganda. We collected quantitative data among 280 FSWs of reproductive ages (18-49 years) who were neither pregnant nor using permanent contraception. We utilized a pretested semi-structured questionnaire to gather information from each participant through face-to-face interviews. We collected data on socio-demographic characteristics, sex work-related characteristics, obstetric history, HIV status, and LARC uptake. Data were then entered into EPI INFO 7, cleaned, and analyzed using multivariable Poisson regression in STATA 14.0 to obtained adjusted prevalence ratios (PR)., Results: Among the study participants: the mean age (SD, range) was 26.5 (5.9, 18-45) years, 48.6% reported at least one unintended pregnancy during sex work, and 37.4% had at least one induced abortion. Meanwhile, only less than two in three (58.6%) participants were using LARC. At multivariable level, factors that remained independently associated with LARC uptake included: longer duration of sex work (adjusted PR = 1.44, 95% CI: 1.03-2.02), higher parity (adjusted PR = 1.13, 95% CI: 1.02-1.26), history of unintended pregnancies during sex work (adjusted PR = 1.24 CI: 1.01-1.51), and being a brothel/lodge-based FSWs (adjusted PR = 1.28, 95% CI: 1.01-1.63)., Conclusions: The above findings revealed a gap in the uptake of LARC among FSWs in post-conflict Northern Uganda influenced by duration of sex work, parity, unintended pregnancies during sex work, and place of sex work. Interventions to improve LARC uptake should target the newly recruited FSWs with low parity and the non-brothel/lodge-based FSWs., (© 2022. The Author(s).)
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- 2022
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42. Fluctuating pain in Parkinson's disease: Its prevalence and impact on quality of life.
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Kurihara K, Fujioka S, Kawazoe M, Mishima T, Ouma S, and Tsuboi Y
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Pain is a common non-motor symptom in Parkinson's disease (PD) patients, and the incidence of fluctuating pain may be improved by taking levodopa. There are only a few detailed reports regarding fluctuating pain. In this study, 331 PD patients were classified into three groups: no-pain group (67.4%), non-fluctuating pain group (22.1%), and fluctuating pain group (10.6%). We evaluated patients' background and its impact on the quality of life (QOL) of each group. The pain group exhibited higher levels of depression ( p < 0.0001), had a higher frequency of visual hallucinations ( p = 0.007), and lower QOL (p < 0.0001) compared with the no-pain group. The fluctuating pain group had a younger onset ( p = 0.006), higher Hoehn & Yahr stage ( p = 0.018), and higher frequency of wearing-off ( p < 0.001) and dyskinesia ( p = 0.007) than the other groups. We compared the Parkinson's Disease Questionnaire-8 summary index (PDQ-8 SI) in each pain group to the no-pain group using analysis of variance. As a result, PDQ-8 SI was significantly higher in both the non-fluctuating and fluctuating pain groups ( p < 0.0001). Pain is regarded as a non-negligible symptom that affects the QOL of PD patients, and given the unique characteristics, fluctuating pain might be considered as an independent clinical subtype of PD., Competing Interests: The authors declare that there is no conflict of interest., (© 2021 The Authors.)
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- 2021
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43. Circulatory 25(OH)D and 1,25(OH) 2 D as differential biomarkers between multiple system atrophy and Parkinson's disease patients.
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Ogura H, Hatip-Al-Khatib I, Suenaga M, Hatip FB, Mishima T, Fujioka S, Ouma S, Matsunaga Y, and Tsuboi Y
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Background and Purpose: There is sufficient evidence to support vitamin D's noncalcemic effects and the role of vitamin D deficiency in the development of a wide range of neurological disorders. This study aimed to evaluate whether serum 25(OH)D and 1,25(OH) 2 D could be used as biomarkers to differentiate between healthy subjects (HS), multiple system atrophy (MSA) and Parkinson's disease (PD) patients of both genders., Methods: A total of 107 subjects were included in this study, divided into three groups: 1- HS ( n = 61), 2- MSA patients ( n = 19), and 3- PD patients ( n = 27). The patients were assessed using UMSARS II, UPDRS III, H&Y, MMSE and MoCA rating scales. The levels of 25(OH)D and 1,25(OH) 2 D in serum were determined using the radioimmunoassay technique., Results: The levels of 25(OH)D and 1,25(OH) 2 D in HS were 26.85 +/- 7.62 ng/mL and 53.63 +/- 13.66 pg/mL respectively. 25(OH)D levels were lower in both MSA and PD by 61% and 50%, respectively ( P = 0.0001 vs. HS). 1,25(OH) 2 D levels were lower in MSA by 29%( P = 0.001 vs HS). There was a correlation between 25(OH)D and 1,25(OH) 2 D in MSA and PD, but not in HS. 1,25(OH) 2 D regressed with MMSE (β = 0.476, P = 0.04, R 2 = 0.226) in MSA, and with UPDRS III (β = -0.432, P = 0.024, R 2 = 0.187) and MoCA (β = 0.582, P = 0.005,R 2 = 0.279) in PD. 25(OH)D displayed considerable differentiative strength between HS and MSA (Wald = 17.123, OR = 0.586, P = 0.0001; AUC = 0.982, sensitivity and Youden index = 0.882, P = 0.0001) and PD (Wald = 18.552, OR = 0.700, P = 0.0001; AUC = 0.943, sensitivity = 0.889, YI = 0.791, P = 0.0001). 1,25(OH) 2 D distinguished MSA from PD (Wald 16.178, OR = 1.117, P = 0.0001; AUC = 0.868, sensitivity = 0.926, Youden index =0.632, P = 0.0001). H&Y exhibited the highest sensitivity, AUC, and significant distinguishing power between MSA and PD., Conclusions: Serum 25(OH)D and 1,25(OH) 2 D could be useful biomarkers for MSA and PD. 25(OH)D and H&Y provided the highest sensitivity and group classification characteristics., (© 2021 The Author(s).)
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- 2021
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44. Client-perpetrated gender-based violence among female sex workers in conflict-affected Northern Uganda: a cross-sectional study.
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Ouma S, Ndejjo R, Abbo C, and Tumwesigye NM
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- Cross-Sectional Studies, Female, Humans, Uganda epidemiology, Violence, Gender-Based Violence, HIV Infections epidemiology, Sex Workers
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Study Objective: To determine the prevalence and associated factors of client-perpetrated gender-based violence among female sex workers in conflict-affected Northern Uganda., Design and Settings: We conducted a cross-sectional study among female sex workers in Gulu district in conflict-affected Northern Uganda., Participants: The study participants included 300 female sex workers aged 18+ years. The participants were selected using simple random sampling from a database of female sex workers maintained at a national non-governmental organisation in Gulu., Outcome Measure: The outcome measure was self-reported exposure to client-perpetrated gender-based violence., Methods: We used a pretested semistructured questionnaire to collect data on sociodemographic characteristics, sex work-related characteristics, alcohol use, illicit drug use, HIV status and self-reported exposure to client-perpetrated gender-based violence. Then, data were entered into Epi Info V.7 and analysed using Stata V.14.0., Results: Among participants, 61.0% reported client-perpetrated gender-based violence. Economic (58.7%) and emotional (52.0%) violence were the most common forms of client-perpetrated gender-based violence in this population. Independently, being: street-based (adjusted OR=9.66, 95% CI 2.78 to 33.5), mobile (adjusted OR=3.21, 95% CI 1.83 to 5.64), HIV-positive (adjusted OR=1.90, 95% CI 1.09 to 3.31) and a low-income earner (
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- 2021
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45. Prevalence and factors associated with major depression among female sex workers in post-conflict Gulu district: a cross-sectional study.
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Ouma S, Tumwesigye NM, Ndejjo R, and Abbo C
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- Adult, Aged, Cross-Sectional Studies, Depression epidemiology, Female, Humans, Prevalence, Risk Factors, Uganda, Young Adult, Depressive Disorder, Major epidemiology, HIV Infections, Sex Workers
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Background: Female sex workers operating in conflict-affected settings could be at a much greater risk of major depression. However, the epidemiology of major depression in this population remains understudied. We aimed to determine the prevalence and the factors associated with major depression among FSWs in the post-conflict Gulu district in Northern Uganda., Methods: We conducted a cross-sectional study among 300 randomly selected adult female sex workers in Gulu. We utilized a pre-tested semi-structured questionnaire, embedded with MINI 7.0.0, to gather information from each participant through face-to-face interviews. We collected data on socio-demographic characteristics, sex-work-related characteristics, alcohol and drug use, HIV status, and major depression. Then, data were entered into EPI INFO 7 and analyzed using logistic regression with the aid of STATA 14.0., Results: The mean age (SD) of the study participants was 26.4 (± 6) years, 57.7% attained primary education, 51.7% never married, and 42.1% were living with HIV. The prevalence of major depression among FSWs in the district was 47.7%. In addition, the majority of the FSWs with major depression (91.0%) had either severe (50.4%) or moderate (40.6%) depressive symptoms. Independently, life stress (adjusted OR = 10.8, 95%CI: 5.67-20.57), living with HIV (adjusted OR = 2.25, 95%CI: 1.25-4.05), verbal abuse (adjusted OR = 2.27, 95%CI: 1.27-4.08), and older age (adjusted OR = 1.06, 95%CI: 1.01-1.12) all showed positive associations with major depression. Conversely, provision of sexual services from clients' homes (adjusted OR = 0.50, 95%CI: 0.25-0.97), use of a non-barrier modern family planning method (adjusted OR = 0.44, 95%CI: 0.24-0.82), and daily intake of alcohol (adjusted OR = 0.50, 95%CI: 0.28-0.88) all showed negative associations with major depression., Conclusions: There is a high prevalence of major depression among female sex workers in post-conflict Gulu. The high prevalence of major depression underscores the need for government and development partners to urgently and adequately address the mental health needs of female sex workers.
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- 2021
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46. Eosinophilic Granulomatosis with Polyangiitis Presenting with Myocarditis as an Initial Symptom: A Case Report and Review of the Literature.
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Kurihara K, Tsugawa J, Ouma S, Ogata T, Aoki M, Omoto M, Kanda T, and Tsuboi Y
- Abstract
A 66-year-old woman with a history of bronchial asthma had shortness of breath and fatigue upon mild exercise. She was diagnosed as congestive heart failure. A blood test showed eosinophilia without the presence of anti-neutrophil cytoplasmic antibody (ANCA), and a myocardial biopsy specimen revealed eosinophilic infiltration in the myocardium. Eosinophilia was improved when she was administered short-term methylprednisolone. After that, she had numbness and pain in her lower limbs with re-elevation of eosinophils. She had dysesthesia and hypalgesia in the distal part of the limbs. Sural nerve biopsy revealed axonal degeneration and thickness of the arterial wall, indicating a diagnosis of eosinophilic granulomatosis with polyangiitis (EGPA). Two courses of steroid pulse therapy were performed, resulting in marked improvement of her sensory symptoms. ANCA-negative EGPA might be associated with myocarditis and peripheral neuropathy. A sufficient immunotherapy should have been considered to prevent rapid progression., Competing Interests: The authors declare that they have no conflicts of interest., (Copyright © 2021 by S. Karger AG, Basel.)
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- 2021
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47. Correction to: Slum Health: Arresting COVID-19 and Improving Well-Being in Urban Informal Settlements.
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Corburn J, Vlahov D, Mberu B, Riley L, Caiaffa WT, Rashid SF, Ko A, Patel S, Jukur S, Martínez-Herrera E, Jayasinghe S, Agarwal S, Nguendo-Yongsi B, Weru J, Ouma S, Edmundo K, Oni T, and Ayad H
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- 2021
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48. The efficacy and safety of hachimijiogan for mild Alzheimer disease in an exploratory, open standard treatment controlled, randomized allocation, multicenter trial: A study protocol.
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Kainuma M, Funakoshi K, Ouma S, Yamashita KI, Ohara T, Yoshiiwa A, Murata M, and Tsuboi Y
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- Aged, Cognition drug effects, Female, Humans, Male, Medicine, Kampo methods, Multicenter Studies as Topic, Randomized Controlled Trials as Topic, Alzheimer Disease drug therapy, Drugs, Chinese Herbal therapeutic use
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Background: Dementia among the Japanese aged 65 years or over population is estimated to approach about 700 million cases by 2025, and a corresponding rapid increase in Alzheimer disease (AD) can also be expected. The ballooning number of dementia patients, including AD, is creating major medical and social challenges. At present, only 3 drugs are recognized for the treatment of mild AD, and these are only used to alleviate symptoms. Although new therapies are needed to treat mild AD, insufficient development of disease-modifying drugs is being done., Methods/design: The aim of this exploratory, open standard, treatment-controlled, randomized allocation, multicenter trial is to determine the efficacy of the traditional Japanese Kampo medicine hachimijiogan (HJG) on the cognitive dysfunction of mild AD.Eighty-six patients with AD diagnosed according to the Diagnostic and Statistical Manual of Mental Disorders (DSM)-5 and as mild AD according to the Mini Mental State Examination (MMSE ≥21) will be included. All will already have been taking the same dose of Donepezil, Galantamine, or Rivastigmine for more than 3 months. The patients will be randomly assigned to receive additional treatment with HJG or to continue mild AD treatment without additional HJG. The primary endpoint is the change from baseline of the Alzheimer's Disease Assessment Scale-cognitive component- Japanese version (ADAS-Jcog). ADAS-Jcog is a useful index for detecting change over time that investigates memory and visuospatial cognition injury from the early stage. The secondary endpoints are the changes from baseline of the Instrumental Activity of Daily Life, Apathy scale, and Nueropsychiatric Inventory scores. In this protocol, we will examine the Geriatric depression scale and do Metabolome analysis as exploratory endpoints. The recruitment period will be from August 2019 to July 2021., Discussion: This is the first trial of Kampo medicine designed to examine the efficacy of HJG for the cognitive dysfunction of patients with mild AD., Trial Registration: This trial was registered on the Japan Registry of Clinical trials on 2 August 2, 2019 (jRCTs 071190018).
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- 2020
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49. [Sensitivity and specificity of combined use of Ala score and CIScore in the diagnosis of dementia with Lewy bodies].
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Yamaguchi Y, Ouma S, Nonokuma M, Nagamachi S, and Tsuboi Y
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- Aged, Aged, 80 and over, Alzheimer Disease diagnostic imaging, Diagnosis, Differential, Female, Humans, Lewy Body Disease diagnostic imaging, Male, Sensitivity and Specificity, Alzheimer Disease diagnosis, Lewy Body Disease diagnosis, Neuropsychological Tests, Tomography, Emission-Computed, Single-Photon
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Alzheimer's disease (AD) and dementia with Lewy bodies (DLB) are two major types of dementia. Due to shared signs and symptoms, accurate diagnosis of these dementia subtypes is a clinical challenge. We assessed the sensitivity and specificity of the combined use of neuropsychological testing and brain imaging data for the differential diagnosis of these conditions. The study population included 77 patients with either AD or DLB. Ala score was calculated from Mini-Mental State Exam subscores, and the cingulate island sign score (CIScore) was obtained from image analysis of brain perfusion single-photon emission computed tomography. Correlation between Ala score and CIScore values was observed in the subgroup of patients aged ≤79 years (r = 0.485, P = 0.002), and the scatter plot revealed that 70% of DLB patients were within the range of cut-off values for DLB. In the group aged ≥80 years, there was poor correlation between the Ala and CIScores (r = 0.285, P = 0.083), the average CIScore exceeded the cut-off value, and the scatter plot showed lower sensitivity, illustrating the challenge of discriminating AD from DLB in an older patient population. The concurrent use of Ala score and CIScore enhanced the specificity and the area under the curve in both subgroups, indicating the improved ability of these tests to aid in the differential diagnosis of AD from DLB. Our findings suggest that the use of these methodologies in routine medical practice may increase the sensitivity and specificity of the diagnosis of dementia subtypes.
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- 2020
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50. [A case of hereditary diffuse leukoencephalopathy with spheroids and pigmented glia presenting with long-term mild psychiatric symptoms].
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Yokote A, Ouma S, Takahashi K, Hara F, Yoshida K, and Tsuboi Y
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- Brain diagnostic imaging, Brain pathology, Calcinosis, Diagnosis, Differential, Female, Humans, Leukoencephalopathies diagnostic imaging, Leukoencephalopathies genetics, Leukoencephalopathies pathology, Magnetic Resonance Imaging, Middle Aged, Mutation, Receptors, Granulocyte-Macrophage Colony-Stimulating Factor genetics, Time Factors, Tomography, X-Ray Computed, Basal Ganglia Diseases etiology, Delusions etiology, Hallucinations etiology, Leukoencephalopathies complications, Memory Disorders etiology, Neuroglia pathology
- Abstract
A 64-year-old woman visited our hospital with early-onset dementia and progressive gait disturbance. She had demonstrated a mild communication disorder at the age of ~40 years; however, her psychiatric symptoms at that time were mild and were not accompanied by social problems. At the age of 59, she presented with memory loss, visual hallucinations, and delusions. Over the following five years she developed gait difficulties that gradually deteriorated and suffered frequent falls. On admission, neurological examinations revealed severe pyramidal and extrapyramidal signs of akinetic mutism. MRI of the brain showed cerebral atrophy, enlarged lateral ventricles, thinning of the corpus callosum, and leukoencephalopathy in the frontal-parietal lobes. Additionally, CT revealed a small spotty calcification in the frontal subcortical white matter. Genetic analysis revealed a single-base substitution (c.2330G>A/p.R777Q) in exon 18 of the colony stimulating factor 1 receptor (CSF1R) gene, encoding the CSF1R protein. She was diagnosed with hereditary diffuse leukoencephalopathy with spheroids (HDLS). HDLS is included in the differential diagnosis of early-onset dementia and should be considered in patients with mild personality change and abnormal behavior in the early course of the illness.
- Published
- 2020
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