“…13 While high-visibility studies 14 suggested that TEs were exceptional with optimal anticoagulation, TEs remain a major problem after mechanical MVR, 6 and their link to anticoagulation quality remains controversial. 7,10,14 -19 Many studies 3,7,9,10,18,20,21 have analyzed convenience samples of mechanical MVR, but incomplete or sparse anticoagulation data have been usual.…”