Aortic paravalvular leak (APVL) after surgical valve replacement (AVR) is an ominous complication with a high risk of morbidity and mortality. Approximately 1-5% of PVLs can lead to serious clinical consequences, including congestive heart failure and/or hemolytic anemia.
Reference: Case Report: Challenging Treatment of an AorticParavalvular Leak: How We Avoided Interference With Mechanical Valve Function? Onorato EM, Vercellino M, Costante A, Bartorelli AL. Front Cardiovasc Med. 2022 Jun 27;9:839159.