Anatomic proximity of the esophagus to the coronary sinus: implication for catheter ablation within the coronary sinus

Journal of Cardiovascular Electrophysiology
Hsuan-Ming TsaoShih-Ann Chen

Abstract

The anatomic proximity between the esophagus and the coronary sinus (CS) might render the esophagus vulnerable to thermal injury during ablation. Therefore, we investigated the anatomic relationship between the esophagus and the CS in patients with atrial fibrillation (AF). Thirty patients (25 males, mean age = 54 +/- 11 years) with drug-refractory paroxysmal AF were included. Sixteen-slice multidetector computed tomography was performed to depict the course of the esophagus and relationship to the CS. The esophagus was in direct contact with the CS in 57% (17/30) of patients (group 1). The mean length of the contact was 6.1 +/- 3.4 mm. In the remaining 13 patients, the esophagus did not come in direct contact with the CS (group 2). The shortest distance between the esophagus and the CS was 4.0 +/- 2.6 mm. The CS diameter (9.4 +/- 1.8 vs 8.5 +/- 2.4 mm, P = 0.15), esophagus width (18.6 +/- 1.6 vs 18.6 +/- 1.7 mm, P = 0.87), anteroposterior diameter of the left atrium (35.9 +/- 3.8 vs 35.0 +/- 3.3 mm, P = 0.58), thickness of the anterior wall of the esophagus (2.9 +/- 0.6 vs 2.9 +/- 0.6 mm, P = 0.97), and shortest distance from the esophagus to the CS ostium (19.3 +/- 5.4 vs 25.0 +/- 6.2 mm, P = 0.02) and to the great cardiac ve...Continue Reading

References

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Citations

Dec 18, 2010·Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing·Khalil KanjwalJames D Maloney
Mar 26, 2015·Anatomical Science International·Anne-Marie A VerennaHelen E Pearson
Mar 30, 2010·Ultrasound in Medicine & Biology·Jacob WernerNadine Barrie Smith
Oct 6, 2009·Heart Rhythm : the Official Journal of the Heart Rhythm Society·Seiji TakatsukiSatoshi Ogawa
Sep 5, 2006·Journal of Cardiovascular Electrophysiology·Wanwarang WongcharoenShih-Ann Chen
Nov 23, 2006·Journal of the American College of Cardiology·Oussama M WazniAllan L Klein
Feb 16, 2012·Circulation. Arrhythmia and Electrophysiology·Siew Yen HoDamian Sanchez-Quintana
Sep 30, 2021·Circulation. Arrhythmia and Electrophysiology·Sanghamitra MohantyAndrea Natale

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