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Published on: October 12, 2017
[Ethnic differences in apolipoprotein B levels in hyperlipidemia in Russian and Kirghiz populations]
Insights
Apolipoprotein B (apo-B) levels were higher in Russian patients with primary hyperlipidemia (PHL) compared to Kirghiz patients. Apo-B is an independent risk factor for coronary heart disease (CHD) in Kirghiz, while low HDLP cholesterol is a risk factor in Russians.
Area of Science:
- Cardiovascular Medicine
- Lipidology
- Human Genetics
Context:
- Primary hyperlipidemia (PHL) is a dyslipidemic condition affecting lipid metabolism.
- Ethnic variations in cardiovascular disease (CVD) risk factors are significant in population health.
- Apolipoprotein B (apo-B) is a key lipoprotein implicated in atherosclerosis and coronary heart disease (CHD).
Purpose:
- To compare apolipoprotein B (apo-B) levels and coronary heart disease (CHD) risk factors between Russian and Kirghiz populations with primary hyperlipidemia (PHL).
- To identify independent risk factors for CHD within these distinct ethnic groups.
Summary:
- Patients with PHL were assessed for lipid profiles, including low-density lipoprotein (LDLP) cholesterol, high-density lipoprotein (HDLP) cholesterol, triglycerides, and apo-B.
- Russians exhibited significantly higher mean LDLP cholesterol and apo-B levels than Kirghiz patients.
- Multifactorial regression analysis identified apo-B as an independent CHD risk factor in the Kirghiz, whereas low HDLP cholesterol was identified in Russians.
Impact:
- Findings highlight ethnic-specific differences in lipid profiles and CHD risk factors among individuals with PHL.
- This research underscores the importance of tailored risk assessment strategies for cardiovascular disease prevention in diverse populations.
- Understanding these variations can inform targeted interventions to mitigate CHD risk in specific ethnic groups.
Aim:
To evaluate the levels of apolipoprotein B (apo-B) and coronary heart disease (CHD) risk factors in Russians and the Kirghiz with primary hyperlipidemia (PHL).
Material And Methods:
Lipid spectrum of the blood (LDLP and HDLP cholesterol, total cholesterol, triglycerides), apo-B, CHD risk factors were studied in 60 Russian and 75 Kirghis patients with PHL aged 28 to 67 years (mean age 50.0 +/- 7.59 years, 56 females and 79 males).
Results:
In Russians a mean level of LDLP cholesterol and apo-B was significantly higher than in Kirghiz patients (3.95 +/- 1.29 mmol/l vs 3.51 +/- 1.17 mmol/l, p = 0.042; 173.3 +/- 57.3 mg/dl vs 145.5 +/- 49.3 mg/dl, p = 0.003, respectively). CHD in both ethnic groups occurred with similar rates. The multifactorial regression analysis shows that an apo-B concentration can serve an independent risk factor associated with CHD in the Kirghiz population (beta = 0.25, p = 0.03) while in Russians living in Kirghizia this factor is a low content of HDLP cholesterol (beta = -0.25, p = 0.05).
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