Koroner arteriyel baskınlık ve QRS ekseni arasındaki ilişki

Year 2019, , 92 - 97, 21.03.2019

Ahmet Korkmaz

https://doi.org/10.18663/tjcl.533359

Cited By: 1

Abstract

Amaç: Koroner arter
baskınlığı, sol veya sağ koroner dolaşım tarafından perfüze edilen miyokardın
miktarını ve anatomik konumunu etkiler. Ancak, koroner arter baskınlığı ile
12-lead yüzey elektrokardiyografisindeki (EKG) QRS ekseni arasındaki ilişki
araştırılmamıştır. Bu çalışma, ciddi koroner arter ve yapısal kardiyak
hastalığı olmayan hastalarda koroner arter baskınlığı ile yüzey EKG’ deki QRS
ekseni arasındaki ilişkiyi değerlendirmeyi amaçlamaktadır.

Gereç ve Yöntemler:
Ciddi koroner arter hastalığı olmayan ve dahil etme kriterlerini karşılayan tam
olarak 133 hasta bu çalışmaya katılmıştır. Tüm çalışma hastalarında standart  yüzey 12-lead EKG çekildi. QT aralığı, QTc
aralığı, QRS süresi, PR aralığı, P dalgası ve QRS ekseni belirlendi. Posterior
inen koroner arterin kökenine göre koroner dolaşım, sağ, sol ve dengeli
(kodominant) koroner dominant olarak sınıflandırıldı.

Bulgular:
56 sağ dominant (% 42), 39 sol dominant (% 29) ve 38 kodominant (% 29) paternli
133 hasta vardı. Kodominant ve sağ dominant grup ile karşılaştırıldığında, QRS
ekseni değeri sol dominant grupta anlamlı olarak daha yüksek bulundu (p˂0.05).
Kodominant ve sağ dominant gruplar arasında QRS ekseni değerleri açısından
anlamlı fark saptanmadı. Sol dominant grupta QRS ekseni (+30) - (+ 90) oranı,
kodominant ve sağ dominant grup ile karşılaştırıldığında anlamlı derecede
yüksek olduğu bulundu (p˂0.05). Kodominant ve sağ dominant gruplar arasında QRS
ekseni (+30) - (+ 90) oranları arasında anlamlı bir fark gözlenmedi.

Sonuç: Bulgularımız
QRS ekseninin koroner arter baskınlığı ile ilişkili olabileceğini
düşündürmektedir.

Keywords

Koroner arter baskınlığı, QRS ekseni

The relationship between coronary arterial dominance and the QRS axis

Abstract

Aim: Coronary artery
dominance influences the amount and anatomic location of myocardium that is
perfused by the left or right coronary circulation. However, the association
between coronary arterial dominance and the QRS axis on 12-lead surface
electrocardiography (ECG) was not investigated. The present study aims to
evaluate the relationship between coronary arterial dominance and the QRS axis
on ECG in patients without significant coronary artery and structural cardiac
disease.

Material and Methods:
Overall, 133 patients, without significant CAD and who met the inclusion criteria,
participated in this study. A standard surface 12-lead ECGs were performed in
all study patients. QT interval, QTc interval, QRS duration, PR interval, P
wave and QRS axis were determined. Based on the origin of the posterior
descending coronary artery, coronary circulation was categorised into left,
right, and balanced coronary dominance.

Results:
There were 133 subjects with 56 right dominant (42%), 39 left dominant (29%)
and 38 codominant (29%) pattern. QRS axis value was found to be significantly higher
in the left dominant group when compared with the codominant and right dominant
group (p˂0.05). No significant difference was observed between the codominant
and right dominant groups regarding QRS axis values. The axis of (+30)-(+90)
ratio in the left dominant group was found to be significantly higher when
compared with the codominant and right dominant group (p˂0.05). No significant
difference was observed between the codominant and right dominant groups
regarding the axis of (+30)-(+90) ratio.

Conclusion: Our findings
suggested that the QRS axis may be related to coronary artery dominance

Keywords

Coronary artery dominance, QRS axis

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