Artificial heart valves

Doctors at Union Hospital, affiliated with Tongji Medical College of Huazhong University of Science and Technology in Wuhan, performed the pioneering surgery earlier this month. Photo: UNB/Xinhua
Health

Chinese doctors implant world's smallest artificial heart in 7-year-old boy

Valve and oxygenator shortage affect cardiac treatment
Health

Valve and oxygenator shortage affect cardiac treatment