Association between fragmented QRS complexes and left ventricular dysfunction in healthy smokers
Küçük Resim Yok
Tarih
2019
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Wiley
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
Objective: Smoking is a known risk factor for cardiovascular diseases and may cause myocardial damage independently of coronary artery disease. Fragmented ORS (f(lRS) is an important marker of myocardial fibrosis, while speckle-tracking echocardiography is a method used to show subclinical left ventricle dysfunction. Methods: Our study included 230 healthy individuals aged 18-40 years. The patients included were separated into two groups: those smokers (n = 130) and nonsmokers (n = 100). After that healthy smokers group were divided into two groups: those with fQRS (n = 24) and those without (n = 106). In both groups, the arithmetic mean of three images was used to obtain the left ventricle global longitudinal strain (LV-GLS). The E/SRe ratio was also calculated and analyzed. Results: There were significant differences between the smokers and non-smokers in terms of, E/SRe (55.7 +/- 17.9 vs 50.3 +/- 14.8; = 0.015), LV-GLS (23.1 +/- 1.9 vs 24.0 +/- 1.7; P = 0.001), and fQRS (18.5% vs 6%; P = 0.005). As a result of subgroup analysis, pack-year history was higher in the fQRS positive group (16.7 +/- 3.7 vs 11.2 +/- 3.7, P < 0.001). While a negative correlation was observed between pack-year history and LV-GLS (r =-0.678, P < 0.001), there was a positive correlation between pack-year history and E/SRe (r = 0.730, P < 0.001). Conclusion: In conclusion, our study demonstrated that fQRS is a parameter that can be used to determine left ventricle subclinical systolic and diastolic dysfunction in smokers, and that left ventricle dysfunction is related to the duration and intensity of smoking.
Açıklama
Anahtar Kelimeler
fragmented QRS, smoking, speckle tracking echocardiography
Kaynak
Echocardiography-A Journal of Cardiovascular Ultrasound and Allied Techniques
WoS Q Değeri
Q4
Scopus Q Değeri
Cilt
36
Sayı
2
