AV tam blok nedeni olan Lyme hastalığında EKG bulguları gözden kaçıyor mu?

Yıl 2024, , 1 - 9, 30.04.2024

Osman Bektaş , Fatih Akkaya

https://doi.org/10.56941/odutip.1371403

Öz

Amaç: Lyme hastalığına bağlı kardit ve ileti bozuklukları iyi bilinmektedir ancak Lyme hastalığının global elektrokardiyografi (EKG) morfolojisi üzerine etkileri konusunda literatürde yeterli veri bulunmamaktadır. Bu çalışma Lyme hastalığının EKG morfolojisi üzerindeki etkilerini değerlendirmeyi amaçlamaktadır.
Yöntem: Çalışmaya 01 Ocak 2020 ile 01 Ağustos 2023 tarihleri arasında AV tam blok tanısıyla merkezimizde yatan 48 ardışık hasta dahil edildi. Hastalar Lyme pozitif (Grup 1) ve negatif (Grup 2) olmak üzere iki gruba ayrıldı. Daha sonra hastaların demografik ve laboratuvar verileri kaydedildi. Ventriküler hız, atriyal hız, QRS süresi, P dalga dispersiyonu (Pd), QTc dispersiyonu (QTcd) ve fragmente QRS dahil tüm EKG verileri, 25 mm/s ve 10 mm/s hızlarında standart ekstremite ve göğüs derivasyonları kullanılarak elde edilen rutin elektrokardiyogramlardan analiz edildi. Elde edilen veriler gruplar arasında karşılaştırıldı.
Bulgular: Grup 1'de yaş ortalaması sırasıyla 72,5(51,7-82,2), grup 2'de 74(68-79,7) idi. Aralarında anlamlı bir fark yoktu (P= 0.593). Çalışma popülasyonunda gruplar arasında erkek ve kadın oranı benzerdi. Çalışma grubunun EKG değerlendirmesinde atriyal hız, ventriküler hız, QRS süresi, QTc süresi ve fragmante QRS sıklığı arasında anlamlı fark saptanmadı (p<0,05). QTcd ve Pd Lyme+'da (Grup 1) anlamlı derecede yüksekti. (sırasıyla 75(56-84,5) vs 52(45-64,5), p=0,002; 58(50-62) vs 42,5(39-45,5), p<0,001).
Sonuç: Çalışmamızın sonuçları değerlendirildiğinde; Lyme hastalığı, literatürde bilindiği gibi AV düğümünü etkilemeye ek olarak, Pd ve QTcd'de artışa neden olmaktadır. Bu bulgular Lyme hastalığının kardiyak tutulumununda, kardiyak ileti sistemini sanıldığından daha fazla etkilediğini düşündürmektedir.

Anahtar Kelimeler

Lyme hastalığı, Elektrokardiyografi, AV tam blok

Proje Numarası

2023/36

Are ECG findings overlooked in Lyme disease, which is the cause of AV complete block?

Öz

Objective: Lyme disease-associated carditis and conduction disturbances are well known, but there is insufficient data in the literature on the effects of Lyme disease on global electrocardiography (ECG) morphology. This study aims to evaluate the effects of Lyme disease on ECG morphology.
Method: The study included 48 consecutive patients who were hospitalised in our centre with a diagnosis of AV complete block between 01 January 2020 and 01 August 2023. Patients were divided into two groups as Lyme positive (Group 1) and negative (Group 2). Afterwards, demographic and laboratory data of the patients were recorded. All ECG data including ventricular rate, atrial rate, QRS duration, P wave dispersion (Pd), QTc dispersion (QTcd), and fragmented QRS were analysed from routine electrocardiograms obtained using standard extremity and chest leads at 25 mm/s and 10 mm/mV. The data obtained were compared between the groups.
Results: The mean age was 72.5(51.7-82.2) in group 1 and 74(68-79.7) in group 2, respectively. There was no significant difference between them (P= 0.593). In the study population, the ratio of males and females was similar between the groups. In ECG evaluation of the study population, no significant difference was found between atrial rate, ventricular rate, QRS duration, QTc duration and frequency of fragmented QRS (p<0.05). QTcd and Pd were significantly higher in Lyme + (Group 1). (75(56-84.5) vs 52(45-64.5), p=0.002; 58(50-62) vs 42.5(39-45.5), p<0.001, respectively).
Conclusion: When the results of our study are evaluated; Lyme disease causes an increase in Pd and QTcd in addition to affecting the AV node as known in the literature. These findings suggest that cardiac involvement of Lyme disease affects the cardiac conduction system more than thought.

Anahtar Kelimeler

Lyme disease,, Electrocardiograpyh, AV complete block

Etik Beyan

Dear Editor, The original article entitled “Are ECG findings overlooked in Lyme disease, which is the cause of AV complete block?” having taken the consent of all authors has been sent on your assessment. Authors have no financial or any other kind of personal conflicts with this article. This paper has not been published in its current form or a substantially similar form (in print or electronically, including on a web site) and it has not been accepted for publication elsewhere, and that it is not under consideration by another publication. We hope this paper instructive for our colleagues. Yours faithfully, Corresponding Author: Osman BEKTAŞ M.D. Ordu University, Ordu, Turkey Phn num: [phone] Fax num: [phone] e-mail :[e-mail]

Proje Numarası

2023/36

Kaynakça

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