Key result
LBBAP linked to septal coronary artery fistula following failed deep screw attempts.
Why the study?
Septal coronary artery fistula is a rare but concerning complication of left bundle branch area pacing (LBBAP).
Case Report (n=1)
Highlights a rare complication of septal coronary artery fistula following left bundle branch area pacing, which can be managed conservatively if the shunt volume is small.
Answers are grounded in this paper and cite their sources.
May signal rare septal fistula post-LBBAP; hypothesis-generating for incidence and surveillance needs.
Septal coronary artery fistula is a rare but concerning complication of left bundle branch area pacing (LBBAP). We report the case of an 82‐year‐old man who was indicated for cardiac resynchronization therapy and underwent LBBAP. The patient had no chest symptoms during or after implantation. Postoperative echocardiography demonstrated a new abnormal tunnel inside the interventricular septum (IVS) and shunt flow from the IVS toward the right ventricle. Coronary angiography confirmed a septal coronary artery fistula, which might have been formed by failed deep screw attempts. Since the shunt volume assessed by the Q p / Q s was small, the patient was treated conservatively.
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Kato et al. (2022) conducted a case report in Indication for cardiac resynchronization therapy (n=1). Left bundle branch area pacing (LBBAP) was evaluated on Septal coronary artery fistula. Left bundle branch area pacing resulted in a septal coronary artery fistula, likely from failed deep screw attempts, which was managed conservatively due to a small shunt volume.
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