Journals / SSK Tepecik Eğitim Hastanesi Dergisi / 2003 / Cilt: 13 - Sayı: 3

QT dispersion: As a marker in determining high risk patients with acute coronary syndrome

QT dispersiyonu: Akut koroner sendromlarda yüksek riskli hastaların belirlenmesindeki yeri

Pages
149–153
DOI
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Conclusion: QT dispersion might be accepted as a valuable marker in predicting high risk ACS patients especially for ventricular arrythmias and recurrent ischemic pain.

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Objective & Hypothesis:Aim: Clinical and laboratory parameters that are believed to be related with the complications of acute coronary syndromes (ACS) are defined.
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Key Findings & Data:Methods: The daily complications and QT dispersions of the patients who admitted within first 12 hours of chest pain and who did not have previous history of ACS were followed.
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Conclusion & Impact:Conclusion: QT dispersion might be accepted as a valuable marker in predicting high risk ACS patients especially for ventricular arrythmias and recurrent ischemic pain.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Risk değerlendirmesi · Aritmi · Koroner hastalık

Abstract

Aim: Clinical and laboratory parameters that are believed to be related with the complications of acute coronary syndromes (ACS) are defined. In our study, the significance of QT dispersion, an electrocardiographic parameter, in predicting the high risk ACS patients was evaluated. Methods: The daily complications and QT dispersions of the patients who admitted within first 12 hours of chest pain and who did not have previous history of ACS were followed. The patients did not have any other systemic disease that might cause QT dispersion. The comparison between the groups was made by using Mann-Whitney-U test and Kruskal Wallis test. Results: Mean QT dispersion was found statistically longer in complicated patients than the non-complicated group (p<0.05). In both Q - wave and non Q wave myocardial infarction groups, the complicated subgroupswith recurrent ischemic pain fand ventricular arrythmias had significantly longer mean QT dispersion values than the non-complicated groups (p<0.001). The patients with unstable angina and experienced ventricular arrythmias had significantly longer QT dispersion than the non-complicated groups (p<0.001). Conclusion: QT dispersion might be accepted as a valuable marker in predicting high risk ACS patients especially for ventricular arrythmias and recurrent ischemic pain.

Özet

Amaç: Akut koroner sendromlar (AKS) sırasında gelişebilecek komplikasyonlar ile ilişkili olduğu düşünülen birçok klinik ve laboratuvar parametre tanımlanmıştır. Çalışmamızda elektrokardiografik (EKG) bir parametre olan QT dispersiyonunun, bu komplikasyonlar yönünden yüksek riskli hastaları saptamadaki değeri araştırılmıştır. Yöntem: Çalışmamızda, göğüs ağrısının başlangıcından itibaren ilk 12 saat içinde başvuran ve ilk kez AKS tanısı alan hastalarda gelişen komplikasyonların, QT dispersiyonu ile ilişkisi incelenmiştir. Çalışmaya alınan hastaların QT dispersiyonuna sebep olabilecek ek bir hastalıkları veya ilaç kullanımları yoktur. Komplikasyon gelişen ve gelişmeyenler arasında QT dispersiyonu ortalamalarının karşılaştırması non-parametrik Mann-Whitney-U testi ile, çoklu alt grupların karşılaştırmaları Kruskal Wallis testi ile yapılmıştır. Bulgular: Çalışmamızda hasta grubunun tümü ele alındığında AKS komplikasyonları gelişenlerde, QT dispersiyonunun gelişmeyenlere oranla daha uzun olduğu saptanmıştır (p<0.05). Q dalgalı miyokart infarktüsü ve Q dalgasız miyokart infarktüsü gelişen hasta gruplarında komplikasyon olarak tekrarlayıcı ısfcemik atak ve ventriküler aritmi gelişen hastalarda gelişmeyenlere göre QT dispersiyonunun anlamlı derecede uzun olduğu gösterilmiştir (p<0.001). Anstabil angina pektoris hasta grubunda ise ventriküler aritmi gelişen hastalarda gelişmeyenlere göre QT dispersiyonunun anlamlı derecede uzun olduğu gösterilmiştir(p<0.001). Sonuç: QT dispersiyonunun, yüksek riskli AKS'lu hastalarda özellikle ventriküler aritmi ve rekürren iskemi olmak üzere komplikasyonları belirlemede kullanılabileceği sonucuna varılmıştır.

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Cite This Article

PAŞAOĞLU, B., SAYDAM, K. C., SÖZMEN, B., ASLAN, L. (2003). QT dispersion: As a marker in determining high risk patients with acute coronary syndrome. SSK Tepecik Eğitim Hastanesi Dergisi, Cilt: 13 - Sayı: 3, 149–153. https://ajindex.com/articles/312858

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