Key result
A 37-year-old patient developed an unusual complication of persistent high-grade atrioventricular block following orthotopic heart transplantation, which ultimately required permanent pacemaker implantation.
Why the study?
Atrioventricular nodal blocks requiring permanent pacemaker implantation remain distinctly uncommon following orthotopic heart transplantation.
Case Report (n=1)
High-grade AV block is an uncommon complication in the early post-cardiac transplantation period that may require permanent pacemaker implantation after ruling out reversible causes and acute rejection.
May warrant permanent pacing for persistent high-grade AV block post-transplant after excluding reversible causes; leaves open questions on incidence and optimal strategies.
Self-limited bradyarrhythmias are commonly seen in postorthotopic heart transplantation patients. The most common cause of such bradyarrhythmias is sinus node dysfunction. Atrioventricular (AV) nodal blocks requiring pacemaker implantation remain distinctly uncommon. After ruling out reversible causes including dyselectrolytemia and drug toxicity, prolonged ischemia time of donor heart and transplant rejection should be considered as possible causes. The present case describes an uncommon occurrence of persistent high-grade AV block in postheart transplantation period ultimately requiring permanent pacemaker implantation.
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Talwar et al. (2019) conducted a case report in Post-cardiac transplantation high-grade atrioventricular block (n=1). Orthotopic heart transplantation was evaluated on Development of high-grade AV block requiring permanent pacemaker implantation. A 37-year-old patient developed an unusual complication of persistent high-grade atrioventricular block following orthotopic heart transplantation, which ultimately required permanent pacemaker implantation.
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