South Asian cardiovascular risk assessment

If one sees a cardiologist or internist that is not familiar with this data regarding our population, are there references we can present to them to apply the stricter guidelines, test for Lp(a), apo B, CAC, reconsider BMI cutoff, waist circumference importance etc?

Yes, you can give your clinician a short list of guideline documents and key studies that specifically address South Asian cardiovascular risk and support the use of Lp(a), ApoB, CAC, and lower BMI/waist cut‑offs. The most useful references are: - 2018/2019 ACC/AHA (AHA/ACC/Multisociety) Cholesterol & Primary Prevention Guidelines – list South Asian ancestry as a risk enhancer, recommend one‑time Lp(a) testing, ApoB measurement when triglycerides are high, and CAC scoring to refine statin decisions (J Am Coll Cardiol 2019;73:e285‑e350; Circulation 2019;140:e596‑e646). - 2022 ACC Expert Consensus Decision Pathway on Non‑statin Therapies – endorses ApoB and Lp(a) for risk assessment and treatment targets (J Am Coll Cardiol 2022;80:1366‑1418). - 2023 AHA Scientific Statement on Lipoprotein(a) – recommends universal one‑time Lp(a) measurement, especially in high‑risk groups such as South Asians (Circulation 2023;148:e282‑e294). - 2022 ESC/EAS Dyslipidemia Guidelines – support ApoB as a primary therapeutic target, Lp(a) measurement, and CAC scoring for risk refinement (Eur Heart J 2022;43:1117‑120). - 2023 ADA Standards of Care (cardiovascular risk chapter) – acknowledges ApoB and CAC in diabetes management. - 2022 WHF/International Atherosclerosis Society consensus on Lipoprotein(a) – global summary endorsing once‑in‑lifetime testing. - 2020 International Atherosclerosis Society Global Consensus on Lp(a) – thresholds and management implications. - WHO/IDF ethnicity‑specific adiposity guidance for South Asians – recommends lower BMI cut‑offs (overweight ≥23 kg/m², obesity ≥27.5 kg/m²) and waist‑circumference cut‑offs (men ≥90 cm, women ≥80 cm) (WHO Expert Consultation Lancet 2004; IDF 2005/updated). - INTERHEART South Asia and MASALA cohort studies – demonstrate higher myocardial‑infarction risk and greater atherosclerotic burden at lower BMI in South Asians (Lancet 2004;364:937‑952; J Am Coll Cardiol 2017;69:1966‑1977). - 2018 SCCT CAC Guidelines – describe use of CAC scoring to guide statin or aspirin decisions in borderline/intermediate risk (J Cardiovasc Comput Tomogr 2018;12:391‑404). When you meet the clinician, you can ask them to: 1. Order a one‑time Lp(a) test. 2. Consider ApoB (or non‑HDL‑C) as a treatment target, especially if triglycerides are elevated. 3. Use CAC scoring if overall risk is uncertain. 4. Apply South‑Asian specific BMI (≥23 kg/m² for overweight, ≥27.5 kg/m² for obesity) and waist‑circumference thresholds (≥90 cm men, ≥80 cm women) when evaluating obesity‑related risk. These references are publicly available and can be printed or emailed to support a shared, evidence‑based management plan. This information is educational and not a substitute for personalized medical advice.

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