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Relationship between ALDH2 genotype and in-stent restenosis in Chinese Han patients after percutaneous coronary
Lizhi Lv1, Weijie Ye2, Peiyuan Song2
1Department of Cardiothoracic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China.
Insights
The aldehyde dehydrogenase 2 (ALDH2) genotype is not linked to in-stent restenosis (ISR) after coronary artery intervention. However, the ALDH2*2 allele showed a significant association with complications in diabetic patients undergoing PCI.
Area of Science:
- Cardiovascular Genetics
- Pharmacogenomics
- Medical Diagnostics
Background:
- Coronary artery disease (CAD) is a significant health concern.
- Percutaneous coronary intervention (PCI) is a common treatment for CAD.
- In-stent restenosis (ISR) is a major complication following PCI.
Purpose of the Study:
- To investigate the association between aldehyde dehydrogenase 2 (ALDH2) genotype and ISR.
- To determine if ALDH2 polymorphisms influence the risk of ISR after PCI.
Main Methods:
- A cohort of 531 patients undergoing PCI was studied.
- ALDH2 polymorphisms were identified using polymerase chain restriction fragment length polymorphism (PCR-RFLP) and sequencing.
- One-year follow-up data was collected to diagnose ISR.
Main Results:
- No significant correlation was found between ALDH2 genotype and ISR occurrence post-PCI.
- A significant association was observed between ALDH2 genotype and ISR in diabetic patients.
- Diabetes emerged as a significant risk factor for ISR.
Conclusions:
- The ALDH2*2 allele does not appear to be a risk factor for ISR one year after PCI.
- ALDH2 genotype may play a role in ISR complications among diabetic patients.
- Larger studies are needed to confirm these findings and establish consensus.
Background:
It is well known that the genotype of ALDH2 is associated with coronary artery disease (CAD), and in-stent restenosis (ISR) is a primary complication of percutaneous coronary intervention (PCI), a primary recommended treatment for CAD. The aim of this study was to identify the relationship between aldehyde dehydrogenase 2 (ALDH2) genotype and in-stent restenosis (ISR).
Methods:
This study recruited 531 patients who were undergoing PCI at two Chinese hospitals from 2015 to 2017 and 183 were diagnosed with ISR after PCI during the one-year follow-up period. We used polymerase chain restriction fragment length polymorphism (PCR-RFLP) and sequencing to determine ALDH2 polymorphisms.
Results:
Among all 531 patients (mean age = 59.4 ± 9.8; 65.9% male), 68.7% carried the wild-type genotype, 28.4% were heterozygous for the mutation, and 2.8% were homozygous for the mutation. Multiple logistical regression analyses indicated no correlation between ALDH2 genotype and the occurrence of restenosis after PCI (OR = 1.448, 95% CI: 0.965-2.168, p = 0.073), though a significant association was observed for patients with diabetes (OR = 4.053, 95% CI: 1.668-10.449, p = 0.003).
Conclusion:
In this study, we found that carrying an ALDH2*2 allele had no notable relationship with ISR one year after PCI but that it did have a significant association with complications in diabetic patients. Further studies with larger sample sizes will be necessary to reveal a consensus.
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