Key result
Left bundle branch area pacing was successfully used for cardiac resynchronization in a patient with dextrocardia, persistent superior vena cava, and severe ventricular dysfunction.
Why the study?
His bundle pacing can require high-output energy to narrow the QRS in some cases, rapidly draining the battery and necessitating frequent generator replacements.
Case Report (n=1)
This case demonstrates the feasibility of left bundle branch area pacing for cardiac resynchronization in a patient with complex anatomy including dextrocardia.
May warrant individualized consideration in rare anatomies; leaves open prospective validation of LBBAP for CRT in this population.
His bundle pacing (HBP) has emerged as an alternative to cardiac resynchronization (CRT) when conventional biventricular pacing is not possible,1 mainly in patients with complex heart disease. However, high-output energy is needed to narrow the QRS in some cases, rapidly draining the battery and increasing the frequency of generator replacement. We report the first case of left bundle branch area pacing (LBBAP) for CRT in a patient with dextrocardia, persistent superior vena cava, and severe ventricular dysfunction normalized after HBP.
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Molina‐Lerma et al. (2020) conducted a case report in Dextrocardia, persistent superior vena cava, and severe ventricular dysfunction (n=1). Left bundle branch area pacing (LBBAP) was evaluated. Left bundle branch area pacing was successfully used for cardiac resynchronization in a patient with dextrocardia, persistent superior vena cava, and severe ventricular dysfunction.
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