Works by Ayaya, Samuel

Results: 35

Misclassification of Antiretroviral Treatment Failure Using WHO 2006 and 2010/2013 Immunologic Criteria in HIVInfected Children and Adolescents in Western Kenya.

Published in:

Journal of the Pediatric Infectious Diseases Society, 2017, v. 6, n. 3, p. 285, doi. 10.1093/jpids/piw018

By:

Dufort, Elizabeth M.;
DeLong, Allison K.;
Mann, Marita;
Nyandiko, Winstone M.;
Ayaya, Samuel O.;
Hogan, Joseph W.;
Kantor, Rami

Publication type:

Article

Tuberculosis in Pediatric Antiretroviral Therapy Programs in Low- and Middle-Income Countries: Diagnosis and Screening Practices.

Published in:

Journal of the Pediatric Infectious Diseases Society, 2015, v. 4, n. 1, p. 30

By:

Ballif, Marie;
Renner, Lorna;
Claude Dusingize, Jean;
Leroy, Valeriane;
Ayaya, Samuel;
Wools-Kaloustian, Kara;
Cortes, Claudia P.;
McGowan, Catherine C.;
Graber, Claire;
Mandalakas, Anna M.;
Mofenson, Lynne M.;
Egger, Matthias;
Kumara Wati, Ketut Dewi;
Nallusamy, Revathy;
Reubenson, Gary;
Davies, Mary-Ann;
Fenner, Lukas

Publication type:

Article

The Prevalence of Disclosure of HIV Status to HIV-Infected Children in Western Kenya.

Published in:

Journal of the Pediatric Infectious Diseases Society, 2013, v. 2, n. 2, p. 136, doi. 10.1093/jpids/pit024

By:

Turissini, Matthew L.;
Nyandiko, Winstone M.;
Ayaya, Samuel O.;
Marete, Irene;
Mwangi, Ann;
Chemboi, Victor;
Warui, Lucy;
Vreeman, Rachel C.

Publication type:

Article

Fostering Reciprocity in Global Health Partnerships Through a Structured, Hands-On Experience for Visiting Postgraduate Medical Trainees.

Published in:

Journal of Graduate Medical Education, 2014, v. 6, n. 2, p. 320, doi. 10.4300/JGME-D-13-00247.1

By:

UMOREN, RACHEL A.;
EINTERZ, ROBERT M.;
LITZELMAN, DEBRA K.;
PETTIGREW, RONALD K.;
AYAYA, SAMUEL O.;
LIECHTY, EDWARD A.

Publication type:

Article

Stunting and growth velocity of adolescents with perinatally acquired HIV: differential evolution for males and females. A multiregional analysis from the IeDEA global paediatric collaboration.

Published in:

Journal of the International AIDS Society, 2019, v. 22, n. 11, p. N.PAG, doi. 10.1002/jia2.25412

By:

Jesson, Julie;
Schomaker, Michael;
Malasteste, Karen;
Wati, Dewi K;
Kariminia, Azar;
Sylla, Mariam;
Kouadio, Kouakou;
Sawry, Shobna;
Mubiana‐Mbewe, Mwangelwa;
Ayaya, Samuel;
Vreeman, Rachel;
McGowan, Catherine C;
Yotebieng, Marcel;
Leroy, Valériane;
Davies, Mary‐Ann

Publication type:

Article

Mortality and losses to follow‐up among adolescents living with HIV in the IeDEA global cohort collaboration.

Published in:

Journal of the International AIDS Society, 2018, v. 21, n. 12, p. N.PAG, doi. 10.1002/jia2.25215

By:

Kariminia, Azar;
Law, Matthew;
Davies, Mary‐Ann;
Vinikoor, Michael;
Wools‐Kaloustian, Kara;
Leroy, Valeriane;
Edmonds, Andrew;
McGowan, Catherine;
Vreeman, Rachel;
Fairlie, Lee;
Ayaya, Samuel;
Yotebieng, Marcel;
Takassi, Elom;
Pinto, Jorge;
Adedimeji, Adebola;
Malateste, Karen;
Machado, Daisy M;
Penazzato, Martina;
Hazra, Rohan;
Sohn, Annette H

Publication type:

Article

Adolescent pregnancy at antiretroviral therapy (ART) initiation: a critical barrier to retention on ART.

Published in:

Journal of the International AIDS Society, 2018, v. 21, n. 9, p. 1, doi. 10.1002/jia2.25178

By:

Nuwagaba‐Biribonwoha, Harriet;
Kiragga, Agnes N.;
Yiannoutsos, Constantin T.;
Musick, Beverly S.;
Wools‐Kaloustian, Kara K.;
Ayaya, Samuel;
Wolf, Hilary;
Lugina, Emmanuel;
Ssali, John;
Abrams, Elaine J.;
Elul, Batya;
the International epidemiology Databases to Evaluate AIDS (IeDEA) East Africa Collaboration

Publication type:

Article

Models of support for disclosure of HIV status to HIV‐infected children and adolescents in resource‐limited settings.

Published in:

Journal of the International AIDS Society, 2018, v. 21, n. 7, p. 1, doi. 10.1002/jia2.25157

By:

Arrivé, Elise;
Ayaya, Samuel;
Davies, Mary‐Ann;
Chimbetete, Cleophas;
Edmonds, Andrew;
Lelo, Patricia;
Fong, Siew Moy;
Razali, Kamarul Azahar;
Kouakou, Kouadio;
Duda, Stephany N.;
Leroy, Valériane;
Vreeman, Rachel C.;
the IeDEA Pediatric Working Group

Publication type:

Article

Adherence to antiretroviral therapy in a clinical cohort of HIV-infected children in East Africa.

Published in:

PLoS ONE, 2018, v. 13, n. 2, p. 1, doi. 10.1371/journal.pone.0191848

By:

Vreeman, Rachel C.;
Ayaya, Samuel O.;
Musick, Beverly S.;
Yiannoutsos, Constantin T.;
Cohen, Craig R.;
Nash, Denis;
Wabwire, Deo;
Wools-Kaloustian, Kara;
Wiehe, Sarah E.

Publication type:

Article

Early Childhood Development in Children Born to HIV-Infected Mothers: Perspectives From Kenyan Clinical Providers and Caregivers.

Published in:

Global Pediatric Health, 2018, v. 5, p. 1, doi. 10.1177/2333794X18811795

By:

McHenry, Megan S.;
Oyungu, Eren;
McAteer, Carole I.;
Ombitsa, Ananda R.;
Cheng, Erika R.;
Ayaya, Samuel O.;
Vreeman, Rachel C.

Publication type:

Article

885. HIV-1 Treatment Failure and Extensive Drug Resistance in Perinatally Infected Children Failing First-Line Antiretroviral Therapy in Western Kenya.

Published in:

Open Forum Infectious Diseases, 2019, v. 6, p. S20, doi. 10.1093/ofid/ofz359.044

By:

Nyandiko, Winstone;
Holland, Sabina;
Vreeman, Rachel;
DeLong, Allison;
Manne, Akarsh;
Novitsky, Vladimir;
Coetzer, Mia;
Ngeresa, Anthony;
McAteer, Carole;
Aluoch, Josephine;
Orido, Millicent;
Sam, Soya;
Caliendo, Angela;
Ayaya, Samuel;
Hogan, Joseph;
Kantor, Rami

Publication type:

Article

Impact of Domestic Care Environment on Trauma and Posttraumatic Stress Disorder among Orphans in Western Kenya.

Published in:

PLoS ONE, 2014, v. 9, n. 3, p. 1, doi. 10.1371/journal.pone.0089937

By:

Atwoli, Lukoye;
Ayuku, David;
Hogan, Joseph;
Koech, Julius;
Vreeman, Rachel Christine;
Ayaya, Samuel;
Braitstein, Paula

Publication type:

Article

A Cross-Sectional Study of Disclosure of HIV Status to Children and Adolescents in Western Kenya.

Published in:

PLoS ONE, 2014, v. 9, n. 1, p. 1, doi. 10.1371/journal.pone.0086616

By:

Vreeman, Rachel C.;
Scanlon, Michael L.;
Mwangi, Ann;
Turissini, Matthew;
Ayaya, Samuel O.;
Tenge, Constance;
Nyandiko, Winstone M.

Publication type:

Article

Validation and Calibration of a Computer Simulation Model of Pediatric HIV Infection.

Published in:

PLoS ONE, 2013, v. 8, n. 12, p. 1, doi. 10.1371/journal.pone.0083389

By:

Ciaranello, Andrea L.;
Morris, Bethany L.;
Walensky, Rochelle P.;
Weinstein, Milton C.;
Ayaya, Samuel;
Doherty, Kathleen;
Leroy, Valeriane;
Hou, Taige;
Desmonde, Sophie;
Lu, Zhigang;
Noubary, Farzad;
Patel, Kunjal;
Ramirez-Avila, Lynn;
Losina, Elena;
Seage III, George R.;
Freedberg, Kenneth A.

Publication type:

Article

Nutritional Status of Orphaned and Separated Children and Adolescents Living in Community and Institutional Environments in Uasin Gishu County, Kenya.

Published in:

PLoS ONE, 2013, v. 8, n. 7, p. 1, doi. 10.1371/journal.pone.0070054

By:

Braitstein, Paula;
Ayaya, Samuel;
Nyandiko, Winstone M.;
Kamanda, Allan;
Koech, Julius;
Gisore, Peter;
Atwoli, Lukoye;
Vreeman, Rachel C.;
Duefield, Corey;
Ayuku, David O.

Publication type:

Article

THE VULNERABILITIES OF ORPHANED CHILDREN PARTICIPATING IN RESEARCH: A CRITICAL REVIEW AND FACTORS FOR CONSIDERATION FOR PARTICIPATION IN BIOMEDICAL AND BEHAVIORAL RESEARCH.

Published in:

Journal of Empirical Research on Human Research Ethics, 2012, v. 7, n. 4, p. 56, doi. 10.1525/jer.2012.7.4.56

By:

THOMPSON, RACHEL T.;
MESLIN, ERIC M.;
BRAITSTEIN, PAULA K. A.;
NYANDIKO, WINSTONE M.;
AYAYA, SAMUEL O.;
VREEMAN, RACHEL C.

Publication type:

Article

COMMUNITY PERSPECTIVES ON RESEARCH CONSENT INVOLVING VULNERABLE CHILDREN IN WESTERN KENYA.

Published in:

Journal of Empirical Research on Human Research Ethics, 2012, v. 7, n. 4, p. 44, doi. 10.1525/jer.2012.7.4.44

By:

VREEMAN, RACHEL;
KAMAARA, EUNICE;
KAMANDA, ALLAN;
AYUKU, DAVID;
NYANDIKO, WINSTONE;
ATWOLI, LUKOYE;
AYAYA, SAMUEL;
GISORE, PETER;
SCANLON, MICHAEL;
BRAITSTEIN, PAULA

Publication type:

Article

Pharmacokinetics-based adherence measures for antiretroviral therapy in HIV-infected Kenyan children.

Published in:

Journal of the International AIDS Society, 2017, v. 20, p. 1, doi. 10.7448/IAS.20.1.21157

By:

Wanzhu Tu;
Nyandiko, Winstone M.;
Hai Liu;
Slaven, James E.;
Scanlon, Michael L.;
Ayaya, Samuel O.;
Vreeman, Rachel C.

Publication type:

Article

Transition from paediatric to adult care of adolescents living with HIV in sub-Saharan Africa: challenges, youth-friendly models, and outcomes.

Published in:

Journal of the International AIDS Society, 2017, v. 20, p. n/a, doi. 10.7448/IAS.20.4.21528

By:

Dahourou, Désiré Lucien;
Gautier-Lafaye, Chloé;
Teasdale, Chloe A.;
Renner, Lorna;
Yotebieng, Marcel;
Desmonde, Sophie;
Ayaya, Samuel;
Davies, Mary-Ann;
Leroy, Valériane

Publication type:

Article

Transition from paediatric to adult care of adolescents living with HIV in sub-Saharan Africa: challenges, youth-friendly models, and outcomes.

Published in:

Journal of the International AIDS Society, 2017, v. 20, p. 34, doi. 10.7448/IAS.20.4.21528

By:

Dahourou, Désiré Lucien;
Gautier-Lafaye, Chloé;
Teasdale, Chloe A.;
Renner, Lorna;
Yotebieng, Marcel;
Desmonde, Sophie;
Ayaya, Samuel;
Davies, Mary-Ann;
Leroy, Valériane

Publication type:

Article

Pharmacokinetics-based adherence measures for antiretroviral therapy in HIV-infected Kenyan children.

Published in:

Journal of the International AIDS Society, 2017, v. 20, p. 1, doi. 10.7448/IAS.20.1.21157

By:

Wanzhu Tu;
Nyandiko, Winstone M.;
Hai Liu;
Slaven, James E.;
Scanlon, Michael L.;
Ayaya, Samuel O.;
Vreeman, Rachel C.

Publication type:

Article

Measuring adherence to antiretroviral therapy in children and adolescents in western Kenya.

Published in:

Journal of the International AIDS Society, 2014, v. 17, p. 1, doi. 10.7448/IAS.17.1.19227

By:

Vreeman, Rachel C;
Nyandiko, Winstone M;
Liu, Hai;
Tu, Wanzhu;
Scanlon, Michael L;
Slaven, James E;
Ayaya, Samuel O;
Inui, Thomas S

Publication type:

Article

Cognitive Interviewing for Cross-Cultural Adaptation of Pediatric Antiretroviral Therapy Adherence Measurement Items.

Published in:

International Journal of Behavioral Medicine, 2014, v. 21, n. 1, p. 186, doi. 10.1007/s12529-012-9283-9

By:

Vreeman, Rachel;
Nyandiko, Winstone;
Ayaya, Samuel;
Walumbe, Eunice;
Inui, Thomas

Publication type:

Article

Child abuse and neglect among orphaned children and youth living in extended families in sub-Saharan Africa: What have we learned from qualitative inquiry?

Published in:

Vulnerable Children & Youth Studies, 2013, v. 8, n. 4, p. 338, doi. 10.1080/17450128.2013.764476

By:

Morantz, Gillian;
Cole, Donald;
Vreeman, Rachel;
Ayaya, Samuel;
Ayuku, David;
Braitstein, Paula

Publication type:

Article

A Qualitative Assessment of Barriers to Antiretroviral Therapy Adherence Among Adolescents in Western Kenya.

Published in:

Journal of HIV/AIDS & Social Services, 2014, v. 13, n. 4, p. 383, doi. 10.1080/15381501.2012.754392

By:

Kunapareddy, Catherine June;
Nyandiko, Winstone;
Inui, Thomas;
Ayaya, Samuel;
Marrero, David G.;
Vreeman, Rachel

Publication type:

Article

Harnessing the power of the grassroots to conduct public health research in sub-Saharan Africa: a case study from western Kenya in the adaptation of community-based participatory research (CBPR) approaches.

Published in:

BMC Public Health, 2013, v. 13, n. 1, p. 1, doi. 10.1186/1471-2458-13-91

By:

Kamanda, Allan;
Embleton, Lonnie;
Ayuku, David;
Atwoli, Lukoye;
Gisore, Peter;
Ayaya, Samuel;
Vreeman, Rachel;
Braitstein, Paula

Publication type:

Article

Harnessing the power of the grassroots to conduct public health research in sub-Saharan Africa: a case study from western Kenya in the adaptation of community-based participatory research (CBPR) approaches.

Published in:

2013

By:

Kamanda, Allan;
Embleton, Lonnie;
Ayuku, David;
Atwoli, Lukoye;
Gisore, Peter;
Ayaya, Samuel;
Vreeman, Rachel;
Braitstein, Paula

Publication type:

journal article

Growth Anthropometrics as a Metric of Malnutrition Disparities Among Young Children Affected by HIV who are Orphaned Maternally, Paternally, or Totally in Western Kenya: A Retrospective Chart Review.

Published in:

Global Pediatric Health, 2023, p. 1, doi. 10.1177/2333794X231156045

By:

Jansen, Shae;
Apondi, Edith;
Ayaya, Samuel O.;
Kim, Jiae;
McHenry, Megan S.

Publication type:

Article

Validation of an HIV/AIDS Stigma Measure for Children Living with HIV and Their Families.

Published in:

2019

By:

Vreeman, Rachel Christine;
Scanlon, Michael Lawrence;
Tu, Wanzhu;
Slaven, James;
McAteer, Carole;
Aluoch, Josephine;
Ayaya, Samuel;
Nyandiko, Winstone Mokaya

Publication type:

journal article

A Systematic Review of Clinical Diagnostic Systems Used in the Diagnosis of Tuberculosis in Children.

Published in:

AIDS Research & Treatment, 2012, p. 1, doi. 10.1155/2012/401896

By:

Pearce, Emily C.;
Woodward, Jason F.;
Nyandiko, Winstone M.;
Vreeman, Rachel C.;
Ayaya, Samuel O.

Publication type:

Article

Growth of young HIV-infected and HIV-exposed children in western Kenya: A retrospective chart review.

Published in:

PLoS ONE, 2019, v. 14, n. 12, p. 1, doi. 10.1371/journal.pone.0224295

By:

McHenry, Megan S.;
Apondi, Edith;
Ayaya, Samuel O.;
Yang, Ziyi;
Li, Wenfang;
Tu, Wanzhu;
Bi, Guanying;
Sang, Edwin;
Vreeman, Rachel C.

Publication type:

Article

A qualitative study using traditional community assemblies to investigate community perspectives on informed consent and research participation in western Kenya.

Published in:

BMC Medical Ethics, 2012, v. 13, n. 1, p. 23, doi. 10.1186/1472-6939-13-23

By:

Vreeman, Rachel;
Kamaara, Eunice;
Kamanda, Allan;
Ayuku, David;
Nyandiko, Winstone;
Atwoli, Lukoye;
Ayaya, Samuel;
Gisore, Peter;
Scanlon, Michael;
Braitstein, Paula

Publication type:

Article

Preventive Health Service Coverage Among Infants and Children at Six Maternal-Child Health Clinics in Western Kenya: A Cross-Sectional Assessment.

Published in:

Maternal & Child Health Journal, 2022, v. 26, n. 3, p. 522, doi. 10.1007/s10995-021-03271-8

By:

Deathe, Andrew R.;
Oyungu, Eren;
Ayaya, Samuel O.;
Ombitsa, Ananda R.;
McAteer, Carole I.;
Vreeman, Rachel C.;
McHenry, Megan S.

Publication type:

Article

Comprehensive Evaluation of Caregiver-Reported Antiretroviral Therapy Adherence for HIV-Infected Children.

Published in:

AIDS & Behavior, 2015, v. 19, n. 4, p. 626, doi. 10.1007/s10461-015-0998-x

By:

Vreeman, Rachel;
Nyandiko, Winstone;
Liu, Hai;
Tu, Wanzhu;
Scanlon, Michael;
Slaven, James;
Ayaya, Samuel;
Inui, Thomas

Publication type:

Article

Validation of a Short Adherence Questionnaire for Children Living with HIV on Antiretroviral Therapy in Kenya.

Published in:

Journal of the International Association of Providers of AIDS Care, 2018, v. 17, p. 1, doi. 10.1177/2325958218820329

By:

Vreeman, Rachel Christine;
Scanlon, Michael Lawrence;
Tu, Wanzhu;
Slaven, James;
Ayaya, Samuel;
Nyandiko, Winstone

Publication type:

Article