Effects of COVID-19 on paediatric cardiac centres in low-income and middle-income countries: a mixed-methods study.

Objectives: The aim of this study was to understand the effects of the COVID-19 pandemic on paediatric cardiac services in critical access centres in low-income and middle-income countries.

Design: A mixed-methods approach was used.

Setting: Critical access sites that participate in the International Quality Improvement Collaborative (IQIC) for congenital heart disease (CHD) were identified.