Key result
Intensive medical management resolves refractory hypoxia from an iatrogenic ASD in an LVAD patient.
Why the study?
Right-to-left shunting due to iatrogenic atrial septal defect associated with catheter ablation procedures in LVAD patients has not been well documented.
Case Report (n=1)
In patients with an LVAD and RV dysfunction, transseptal catheter ablation can cause refractory hypoxia due to right-to-left shunting across an iatrogenic atrial septal defect, which can be managed with intensive medical therapy.
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Refractory hypoxia from iASD shunting may occur after transseptal CA in LVAD patients; hypothesis-generating and requires prospective evaluation.
Komeyama et al. (2022) conducted a case report in Refractory hypoxia due to right-to-left shunting associated with iatrogenic atrial septal defect after catheter ablation (n=1). Intensive medical management was evaluated on Resolution of hypoxia and disappearance of right-to-left shunting. Intensive medical management successfully resolved refractory hypoxia and right-to-left shunting across an iatrogenic atrial septal defect in a 52-year-old LVAD patient at 7 months.
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