Global heart · 2026
Stepwise Targeted Screening for Familial Hypercholesterolemia in a Resource-Limited Setting: A Scalable Model Linking Premature Coronary Artery Disease and Community Screening in Vietnam.
СтатьяМногоцентровое исследованиеНаблюдательное исследованиеНазвание и аннотация: Перевод в очереди
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Truong Thanh-Huong, Do Doan-Loi, Vu Minh-Phuong, Nguyen Mai-Ngoc Thi, Le Hong-An, Le Thanh-Tung, Tran Trung-Thanh, Vu Hong-Phu, Nguyen Dinh-Tuan, Le Van-Dung, Kim Ngoc-Thanh
Аннотация
BACKGROUND: Familial hypercholesterolemia (FH) is a common autosomal dominant disorder associated with a substantially increased risk of atherosclerotic cardiovascular disease. In low- and middle-income countries (LMICs), universal FH screening is often impractical, highlighting the need for targeted screening strategies embedded within existing health systems.
OBJECTIVES: To evaluate the detection yield and real-world implementation feasibility of a stepwise targeted FH screening strategy in a resource-limited setting.
METHODS: This multi-component implementation study included retrospective and prospective hospital-based screening of patients with premature coronary artery disease (CAD), followed by a geographically targeted community-based screening program linked to a genetically confirmed FH index case in Vietnam. FH was assessed using the Dutch Lipid Clinic Network criteria, with LDL-C thresholds applied for community-level screening.
RESULTS: Among patients with premature CAD, phenotypic FH was identified in 2.5% and 8.3% of the retrospective and prospective cohorts, respectively. The higher detection rate in the prospective cohort may reflect more systematic phenotyping. In the community screening, 59.1% of eligible individuals participated, and 10.6% had LDL-C levels ≥ 4.9 mmol/L.
CONCLUSIONS: A stepwise targeted FH screening strategy-initiated in clinical populations and extended via geographically targeted community screening-demonstrates feasibility and potential scalability in resource-limited settings and may provide a pragmatic framework for integration into national NCD programs in LMICs.
HIGHLIGHTS: - Targeted screening strategies may enhance the detection of FH in resource-limited settings where universal screening is not feasible.- Patients with premature coronary artery disease represent a high FH detection rate.- Geographically targeted community-based screening linked to FH index cases enables identification of individuals with markedly elevated LDL-C levels.- A stepwise approach combining hospital-based and community-based screening may provide a scalable model for FH detection in LMICs.
OBJECTIVES: To evaluate the detection yield and real-world implementation feasibility of a stepwise targeted FH screening strategy in a resource-limited setting.
METHODS: This multi-component implementation study included retrospective and prospective hospital-based screening of patients with premature coronary artery disease (CAD), followed by a geographically targeted community-based screening program linked to a genetically confirmed FH index case in Vietnam. FH was assessed using the Dutch Lipid Clinic Network criteria, with LDL-C thresholds applied for community-level screening.
RESULTS: Among patients with premature CAD, phenotypic FH was identified in 2.5% and 8.3% of the retrospective and prospective cohorts, respectively. The higher detection rate in the prospective cohort may reflect more systematic phenotyping. In the community screening, 59.1% of eligible individuals participated, and 10.6% had LDL-C levels ≥ 4.9 mmol/L.
CONCLUSIONS: A stepwise targeted FH screening strategy-initiated in clinical populations and extended via geographically targeted community screening-demonstrates feasibility and potential scalability in resource-limited settings and may provide a pragmatic framework for integration into national NCD programs in LMICs.
HIGHLIGHTS: - Targeted screening strategies may enhance the detection of FH in resource-limited settings where universal screening is not feasible.- Patients with premature coronary artery disease represent a high FH detection rate.- Geographically targeted community-based screening linked to FH index cases enables identification of individuals with markedly elevated LDL-C levels.- A stepwise approach combining hospital-based and community-based screening may provide a scalable model for FH detection in LMICs.