Key result
Hypertension remains highly prevalent across China, Laos, and Cambodia with only ~18% of cases controlled.
Why the study?
Amid similar geography and culture but rapid economic and lifestyle changes in Lancang-Mekong countries, data describing and comparing the hypertension care cascade across these regions were needed.
Cross-Sectional (n=11,005)
Yes
This study highlights a high prevalence of hypertension coupled with alarmingly low rates of awareness, treatment, and control in the Lancang-Mekong River Basin, underscoring an urgent need for targeted public health interventions in these regions.
Substantial hypertension burden with poor control in these regions merits monitoring; leaves open optimal strategies pending prospective studies.
BACKGROUND: Under the background of similar geography and culture in Lancang-Mekong countries and rapid changes in the regional economy and lifestyle, this study aimed to describe and compare the prevalence, awareness, treatment, and control of hypertension and assess the hypertension care cascade in three provinces of China, Laos, and Cambodia. METHODS: A cross-sectional study was conducted between 2021 and 2023 in the three provinces of Lancang-Mekong River countries using consistent investigative procedures. We included 11,005 participants aged ≥ 18 years from three provinces, and data were collected through questionnaires, physical examinations, and biochemical tests. We analyzed the cascade of hypertension care and compared the prevalence, awareness, treatment, and control of hypertension. RESULTS: The hypertension care cascade indicated that 46.3%, 51.6%, and 63.1% of patients in Yunnan Province (China), Oudomxay Province (Laos), and Ratanakiri Province (Cambodia), respectively, were not diagnosed, and 10.7%, 12.8% and 21.1% of patients, respectively, did not receive treatment. After sex-age standardization, the prevalence rates of hypertension in the three provinces were 33.4%, 34.5%, and 23.6%, respectively. Higher awareness rate in Yunnan Province (53.4%) and Oudomxay Province (46.5%) than in Ratanakiri Province of Cambodia (39.7%). The treatment rate of hypertension in Yunnan Province (42.4%) was higher than that in Oudomxay Province (34.5%), and Ratanakiri Province (16.9%). In addition, less than 20% of the patients in the three provinces had their blood pressure under control. The factors associated with hypertension differed across the three provinces. CONCLUSIONS: In the three provinces of the Lancang-Mekong River Basin countries, there is a high burden of hypertension and a significant unmet need for hypertension care. Targeted and precise intervention strategies are urgently needed to improve the awareness, treatment, and control of hypertension in low- and middle-income regions.
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Wang et al. (2024) conducted a cross-sectional in Hypertension (n=11,005). Residence in Lancang-Mekong River countries was evaluated on Prevalence, awareness, treatment, and control of hypertension. In three provinces of China, Laos, and Cambodia, the standardized prevalence of hypertension ranged from 23.6% to 34.5%, with low rates of awareness, treatment, and control (less than 18% controlled).
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