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Effect of antiretroviral therapy care interruptions on mortality in children living with HIV

Davies C 1 , Johnson L 1 , Sawry S 2 , Chimbetete C 3 , Eley B 4 , Vinikoor M 5 Show all authors , Technau KG 6 , Ehmer J 7 , Rabie H 8 , Phiri S 9 , Tanser F 10 , Malisita K 11 , Fatti G 12 , Osler M 1 , Wood R 13 , Newton S 14 , Haas A 15 , Davies MA 1

Affiliations 

  • 1 Centre for Infectious Disease Epidemiology and Research, School of Public Health and Family Medicine, University of Cape Town, Cape Town
  • 2 Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Harriet Shezi Children's Clinic, Chris Hani Baragwanath Academic Hospital, Soweto, South Africa
  • 3 Newlands Clinic, Harare, Zimbabwe
  • 4 Red Cross War Memorial Children's Hospital and Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa
  • 5 Centre for Infectious Disease Research in Zambia, Lusaka, Zambia
  • 6 Empilweni Services and Research Unit, Rahima Moosa Mother and Child Hospital, Department of Paediatrics and Child Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
  • 7 SolidarMed, Lucerne, Switzerland
  • 8 Department of Paediatrics and Child Health, Tygerberg Academic Hospital, University of Stellenbosch, Stellenbosch, South Africa
  • 9 Lighthouse Trust Clinic, Kamuzu Central Hospital, Lilongwe, Malaysia
  • 10 Africa Centre for Health and Population Studies, University of KwaZulu-Natal, Somkhele, South Africa
  • 11 Queen Elizabeth Central Hospital, Blantyre, Malawi
  • 12 Kheth'Impilo AIDS Free Living
  • 13 Gugulethu HIV Programme and Desmond Tutu HIV Centre, University of Cape Town, Cape Town, South Africa
  • 14 School of Public Health, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
  • 15 Institute of Social and Preventive Medicine, University of Bern, Switzerland
AIDS, 2022 Apr 01;36(5):729-737.
PMID: 35152225 DOI: 10.1097/QAD.0000000000003194

Abstract

OBJECTIVE: To evaluate the characteristics and outcomes of HIV-infected children that have care interruptions, during which the child's health status and use of medication is unknown.

DESIGN: We included data on children initiating ART between 2004 and 2016 at less than 16 years old at 16 International Epidemiologic Databases to Evaluate AIDS Southern Africa cohorts. Children were classified as loss to follow up (LTFU) if they had not attended clinic for more than 180 days. Children had a care interruption if they were classified as LTFU, and subsequently returned to care. Children who died within 180 days of ART start were excluded.

METHODS: The main outcome was all cause mortality. Two exposed groups were considered: those with a first care interruption within the first 6 months on ART, and those with a first care interruption after 6 months on ART. Adjusted hazard ratios were determined using a Cox regression model.

RESULTS: Among 53 674 children included, 23 437 (44%) had a care interruption, of which 10 629 (20%) had a first care interruption within 6 months on ART and 12 808 (24%) had a first care interruption after 6 months on ART. Increased mortality was associated with a care interruption within 6 months on ART [adjusted hazard ratio (AHR) = 1.52, 95% CI 1.12-2.04] but not with a care interruption after 6 months on ART (AHR = 1.05, 95% CI 0.77-1.44).

CONCLUSION: The findings suggest that strengthening retention of children in care in the early period after ART initiation is critical to improving paediatric ART outcomes.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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