Key result
Balloon dilation for the treatment of SVC syndrome caused a 1 cm longitudinal tear at the junction of the right atrium and the SVC, resulting in cardiac tamponade requiring emergency patch plasty.
Case Report (n=1)
Balloon dilation for SVC syndrome following repetitive catheter ablation carries a risk of life-threatening SVC rupture and cardiac tamponade, requiring careful consideration of indications.
Alerts clinicians to rupture risk with balloon dilation in post-ablation SVC syndrome; case report leaves open safer techniques or selection criteria.
A 29-year-old woman with an implanted AAI mode permanent pacemaker, who had undergone catheter ablation for inappropriate sinus tachycardia 4 times, experienced complications of superior vena cava (SVC) syndrome. Severe stenosis of the SVC wall was observed in computed tomograms. During balloon dilation for the treatment of SVC syndrome, the SVC was ruptured, resulting in cardiac tamponade. An emergency operation was performed using percutaneous cardiopulmonary support (PCPS). A longitudinal tear 1 cm in length was identified at the junction of the right atrium and the SVC, requiring a patch plasty using an autologous pericardium 2.5 cm x 3 cm in size. SVC rupture is a complication to be completely avoided when we perform balloon dilation for the treatment of SVC syndrome. Therefore, the indication of balloon dilation for the treatment of SVC syndrome requires critical examination and attention.
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Oshima et al. (2006) conducted a case report in Superior vena cava (SVC) syndrome (n=1). Balloon dilation was evaluated on Complications during balloon dilation (SVC rupture). Balloon dilation for the treatment of SVC syndrome caused a 1 cm longitudinal tear at the junction of the right atrium and the SVC, resulting in cardiac tamponade requiring emergency patch plasty.
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