Multimodality imaging and thrombolytic therapy for prosthetic valve thrombosis

We have attentively read the article by Szatan et al. entitled "Ultraslow thrombolysis for subacute mitral prosthetic valve thrombosis" [1] We appreciate the authors for the successful treatment of mitral prosthetic valve thrombosis using low-dose and ultraslow infusion of tissue plasminogen activator (t-PA).On the other hand, we believe that there are several major