Does G8002A polymorphism in endothelin gene have a meaning for other risks at the patients with heart failure?

Czech version

Authors: L. Špinarová ¹; J. Špinar ²; A. Vašků ³; O. Ludka ²; J. Vítovec ¹; M. Goldbergová ³; P. Hude ¹; J. Krejčí ¹; H. Pavelčíková ¹
Authors‘ workplace: I. interní kardio-angiologická klinika Lékařské fakulty MU a FN u sv. Anny, Brno, přednosta prof. MUDr. Jiří Vítovec, CSc., FESC ¹; Interní kardiologická klinika Lékařské fakulty MU a FN Brno, pracoviště Bohunice, přednosta prof. MUDr. Jindřich Špinar, CSc., FESC ²; Ústav patologické fyziologie Lékařské fakulty MU Brno, přednostka prof. MUDr. Anna Vašků, CSc ³
Published in: Vnitř Lék 2006; 52(1): 34-39
Category: Original Contributions

Overview

Objective of the work is to determine the relation of G8002 polymorhism in endothelin 1 gene to the incidence of diabetes mellitus (DM), ischemic disease of lower limbs (ID LL) and myocardial infarction (MI) at the patients with heart failure.

Methodics:
There were observed 224 patients, 176 males, 48 females, average age 55 ± 12 years, NYHA II/III/IV 82/131/11, average EF LK 25 ± 7 %, diagnosis ischemic heart disease (IHD) 133, dilatation cardiomyopathy (DCMP) 91.

Results:
Patients with IHD had higher incidence of hypertension (p < 0.0007), diabetes mellitus (p < 0.00007) and hyperlipoproteinemy (p < 0.0006) than patients with DCMP. Patients with IHD who experienced MI had a difference in the distribution of G8002A genotypes for endothelin 1 gene: G 0.718 and A 0.282 alleles vs ischemic patients without MI G 0.882 and A 0.118 (p < 0.05) alleles. Ischemic patients with DM had G allele in 0.67 and A 0.33 unlike ischemic patients without DM G allele 0.791 and A 0.209 (p < 0.03). Ischemic patients with synchronous ID LL had G allele in 0.718 and A 0.282 vs ischemic patients without ID LL G allele 0.882 and A 0.118 (p < 0.0004). At the patients with DCMP there was not found a difference in G8002A genotype and the presence of DM or ID LL.

Results:
At the patients with heart failure on the basis of ischemic heart disease there was found a difference in endothelin G8002A genotype distribution depending on other accessory diseases. There was more frequently present an A allele and less present G allele in the ischemic patients with DM, who had experienced MI or ID LL than in the ischemic patients without these diseases. Genotype with A allele is connected with higher risk of all accessory diseases.

Key words:
heart failure – ischemic heart disease – endothelin – gene polymorphisms

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