Highlights:
Takotsubo cardiomyopathy was more common in women and the mortality rate was 2.2%.
Ventricular arrhythmias were the strongest predictor of mortality.
Age was associated with increased mortality in women with takotsubo cardiomyopathy.
Background
Recently, the COMPASS trial demonstrated that dual therapy reduced cardiovascular outcomes compared with aspirin alone in patients with stable atherosclerotic disease.
Methods and Results
We sought to assess the proportion of patients eligible for the COMPASS trial and to compare the epidemiology and outcome of these patients with those without COMPASS inclusion or with any exclusion criteria in a contemporary, nationwide cohort of patients with stable coronary artery disease (CAD).
Among the 4068 patients with detailed information allowing evaluation of eligibility, 1416 (34.8%) did not fulfill the inclusion criteria (COMPASS-Not-Included), 841 (20.7%) had exclusion criteria (COMPASS-Excluded) and the remaining 1811 (44.5%) were classified as COMPASS-Like. At 1 year, the incidence of major adverse cardiovascular event (MACE), a composite of cardiovascular death, myocardial infarction and stroke, was 0.9% in the COMPASS-Not-Included and 2.0% in the COMPASS-Like (p = 0.01), and 5.0% in the COMPASS-Excluded group (p < 0.0001 for all comparisons). Among the COMPASS-Like population, patients with multiple COMPASS enrichment criteria presented a significant increase in the risk of MACE (from 1.0% to 3.3% in those with 1 and ≥3 criteria, respectively; p = 0.012), and a modest absolute increase in major bleeding risk (from 0.2% to 0.4%, respectively; p = 0.46).
Conclusions
In a contemporary real-world cohort registry of stable CAD, most patients resulted as eligible for the COMPASS. These patients presented a considerable annual risk of MACE that consistently increases in the presence of multiple risk factors.
In January 2020, the first Medtronic VDD leadless pacemaker Micra AV was approved by FDA to treat patients with advanced AV block, based on the encouraging results from the Micra Atrial tRacking using a Ventricular accELerometer 2 (MARVEL 2). There is reassuring data about safety and short‐term outcomes of traditional leadless pacemaker implant after recent surgical tricuspid valve replacement, but only few cases are reported in literature. No data was found regarding AV Micra implant safety and outcomes in patients following bioprosthetic tricuspid valve replacement as of today. Our patient is a 44‐year‐old gentleman with history of IV drug use who recently underwent tricuspid replacement with bioprosthesis for infective endocarditis complicated by postsurgical heart block, acute kidney insufficiency requiring hemodialysis, persistent bacteremia and candidemia, and progressive failure of the epicardial pacing wires. Given the elevated infective risk, the decision of attempting leadless pacer implant through the bioprosthetic valve was taken and our patient underwent successful Micra AV implant on postoperative day 30. To our knowledge, this is the first AV Micra placement following bioprosthetic tricuspid valve replacement. The uneventful procedure and the encouraging short‐term device follow‐up results seem to confirm the relative safety of this device in treating advanced atrioventricular conduction disorders in patients at elevated infective risk.
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