# Sleep apnea health risks in Vietnam > Live situation record from CLSTR: https://clstr.news/situations/sleep-apnea-health-risks-in-vietnam > Updated: 2026-08-12T16:46:48.000Z. Sources: 2. Developments: 2. Medical reports from Vietnam highlight the severe health implications of sleep apnea, particularly its connection to cardiovascular complications. Initial reports detailed specific cases in Hanoi where patients with severe obstructive sleep apnea experienced significant drops in blood-oxygen levels, which were mitigated through surgical interventions such as palate remodeling and tonsil removal. Following these clinical observations, medical experts, including Associate Professor Dr. Nguyễn Lân Hiếu, have provided broader warnings regarding the condition. Dr. Hiếu noted that sleep apnea—categorized into Obstructive Sleep Apnea (OSA) and Central Sleep Apnea (CSA)—places immense strain on the heart through oxygen deprivation, sympathetic nervous system activation, and systemic inflammation. These mechanisms can lead to serious outcomes such as hypertension, heart failure, stroke, and atherosclerosis. ## Timeline ### 2026-08-12: Sleep apnea poses serious cardiovascular risks, warns Dr. Nguyễn Lân Hiếu Dr. Nguyễn Lân Hiếu warns that sleep apnea, including obstructive and central types, poses severe cardiovascular risks such as heart failure and hypertension due to oxygen deprivation and stress. 2 sources. https://clstr.news/cluster/sleep-apnea-poses-serious-cardiovascular-risks-warns-dr-nguyn-ln-hiu ### 2026-07-24: Vietnam patients with sleep apnea face heightened hypertension risk Vietnamese men with severe sleep apnea underwent surgery that reduced breathing pauses and improved oxygen levels, highlighting the condition’s link to hypertension and the importance of proper sleep hygiene. 10 sources. https://clstr.news/cluster/vietnam-patients-with-sleep-apnea-face-heightened-hypertension-risk --- Cite as: Sleep apnea health risks in Vietnam. CLSTR, https://clstr.news/situations/sleep-apnea-health-risks-in-vietnam