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Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

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Dextrocardia: When right is wrong!

Ashutossh Naaraayan¹, Abhishek Nimkar¹, Prakash Acharya¹

¹Montefiore New Rochelle Hospital, Albert Einstein College of Medicine, New Rochelle, NY 10801.

Journal of Atrial Fibrillation

|December 24, 2021

Summary

This summary is machine-generated.

Patients with dextrocardia, a heart malposition, have a significantly higher likelihood of developing arrhythmias, particularly atrial fibrillation. This study highlights a key clinical manifestation linked to congenital heart conditions.

Keywords:

Arrhythmias Atrial fibrillation Atrial flutter Dextrocardia

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Published on: October 28, 2020

Area of Science:

Cardiology
Genetics
Developmental Biology

Background:

Dextrocardia involves heart malposition, posing diagnostic and interventional challenges.
Misexpression of the transcription factor Pitx2 is linked to congenital heart disease and arrhythmias.
The association between congenital heart defects and arrhythmias warrants further investigation.

Purpose of the Study:

To quantify the prevalence and risk of arrhythmias in patients diagnosed with dextrocardia.
To explore the clinical implications of embryological associations between congenital heart disease and arrhythmias.

Main Methods:

A retrospective analysis of the National Inpatient Sample (NIS) database from 2016.
Propensity score-matching was used to compare patients with dextrocardia and a control group.
Multivariate regression analysis assessed the relationship between dextrocardia, arrhythmias, and length of hospitalization.

Main Results:

Patients with dextrocardia exhibited a significantly higher prevalence of arrhythmias compared to controls (adjusted OR 2.60).
The odds of an admitting diagnosis of arrhythmia were substantially higher in the dextrocardia group (adjusted OR 3.70).
Atrial fibrillation/atrial flutter was the primary arrhythmia contributing to this increased risk (OR 3.06).

Conclusions:

Dextrocardia is associated with an increased likelihood of arrhythmias, especially atrial fibrillation/atrial flutter.
This study is the first to examine clinical manifestations of molecular and embryological links between congenital heart disease and arrhythmias.