1.A Case of Mitral Mechanical Valve Thrombosis after Switching to Edoxaban
Yasuyuki KANNO ; Yasuyuki KATO ; Hidetaka YAMAUCHI ; Taiyo JINNO ; Yusuke DATE ; Kenichi SASAKI ; Atsushi SHIMIZU ; Hiroshi KIYAMA
Japanese Journal of Cardiovascular Surgery 2020;49(5):288-290
A 65-year-old man who had been taking warfarin for a mitral mechanical valve, was transported to our hospital for acute heart failure 3 months after switching to edoxaban. The fluoroscopy revealed restriction of the mechanical valve opening, and the catheterization showed an increased pressure gradient of the mechanical valve. The patient was diagnosed with valve thrombosis, and emergency redo mitral valve replacement was performed. The patient recovered well without complication. In cases with mechanical heart valves, sufficient explanation and education about warfarin administration is mandatory for patients' home doctors as well as patients and their families.
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