mitral prosthetic valve obstruction and its complications

Prosthetic valve obstruction (pvo) is a serious complication which is associated with increased morbidity and mortality. this could result from thrombus formation, development of pannus, or a combination of both. patients with this complication often present with symptoms and signs of heart failure, systemic embolism, acute cardiovascular collapse, and sudden death. transesophageal echocardiography and cine fluoroscopy play a vital role in diagnosis of this potentially lethal condition. herein, we reported a 56-year-old male patient who presented with severe heart failure and was found to have obstructed ats27 bileaflet mitral prosthetic valve. thrombolysis and redo surgery are two important options for treating this condition although guidelines for choosing between the two are not very definite.