Bradyarrhythmia development and permanent pacemaker implantation after cardiac surgery

There was no gender-related statistically significantdifference in terms of left ventricular ejection fraction, left ventricular dilatation, interventricular septum thickness, the timeinterval from operation to the development of AV block, concomitant diseases, and complication rates.CONCLUSION: Preoperative conduction abnormality and wide QRS in patients over 70 years of age was determined as arisk factor.

📌 3 Key Takeaways

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Objective & Hypothesis:OBJECTIVE: Bradyarrhythmia is one of the complications that may develop after cardiac surgery.

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Key Findings & Data:Only a few studies havepreviously dealt with this concern, and in our study, we investigated the factors affecting the development of atrioventricularblock or sinus node dysfunction and the requirement of permanent pacemaker following cardiac surgery.METHODS: A total of 62 patients who developed the atrioventricular (AV) block or sinus node dysfunction and requireda permanent pacemaker following cardiac surgery were included in the study.

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Conclusion & Impact:There was no gender-related statistically significantdifference in terms of left ventricular ejection fraction, left ventricular dilatation, interventricular septum thickness, the timeinterval from operation to the development of AV block, concomitant diseases, and complication rates.CONCLUSION: Preoperative conduction abnormality and wide QRS in patients over 70 years of age was determined as arisk factor.

🔬Design:Research Article

📍Scope:Comprehensive Sample

⚙️Variables:Domain Parameters

Abstract

OBJECTIVE: Bradyarrhythmia is one of the complications that may develop after cardiac surgery. Only a few studies havepreviously dealt with this concern, and in our study, we investigated the factors affecting the development of atrioventricularblock or sinus node dysfunction and the requirement of permanent pacemaker following cardiac surgery.METHODS: A total of 62 patients who developed the atrioventricular (AV) block or sinus node dysfunction and requireda permanent pacemaker following cardiac surgery were included in the study. Among these, 31 patients were evaluatedprospectively, and the information regarding 31 patients was evaluated retrospectively based on hospital records. Demographic,clinical, and surgical information was recorded. Patients were grouped according to the types of procedures, includingthe coronary artery bypass graft, valve surgery, congenital heart disease, and combinations of these. Patients wereevaluated by standard 12-lead electrocardiogram and transthoracic echocardiography preoperatively. The postoperative developmentof bradyarrhythmia and requirement of permanent pacemaker were evaluated.RESULTS: The mean age of patients with preoperative conduction abnormality and wide QRS was statistically significantlyhigher than those without these disorders. The odds ratio for preoperative conduction abnormality risk in patients over 70years of age was found as 4.429 (95% confidence interval, 1.40–13.93). There was no gender-related statistically significantdifference in terms of left ventricular ejection fraction, left ventricular dilatation, interventricular septum thickness, the timeinterval from operation to the development of AV block, concomitant diseases, and complication rates.CONCLUSION: Preoperative conduction abnormality and wide QRS in patients over 70 years of age was determined as arisk factor.

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Cite This Article

ALTAY, S., ÖZBİLGİN, N., HASDEMİR, H., YILDIRIM, E., ERDİNLER, İ. C., GÜRKAN, K., TÜRKKAN, C., ÖZCAN, K. S., ALPER, A. T., OSMANOV, D. (2022). Bradyarrhythmia development and permanent pacemaker implantation after cardiac surgery. İstanbul Kuzey Klinikleri, Cilt: 5 - Sayı: 4, 288–294. https://ajindex.com/articles/551536

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