PDW and MPV may not be related to the clinical features or presentation and extent of CAD. Our study findings add to the conflicting results of previous studies in this area. Prospective trials with longer follow-up periods and larger samples are warranted to conclusively define the role of platelet indices in CAD.

Background: Warfarin is highly efficacious in reducing stroke risk in patients with atrial fibrillation (AF). However, its safety and efficacy in stroke prevention is markedly influenced by its time in therapeutic range (TTR (40.3 ± 18 vs. 46.9 ± 19, respectively, p < 0.001). Death, cardiac hospitalization and minor bleeding rates were higher in the group with TTR value < 40% than the group with > 40% (3.4% vs. 5.9%; 28.6% vs. 35.4%; 36.5% vs. 41.7%, respectively, all of them p < 0.001). A correlation analysis showed a negative correlation between age and TTR value (r = -0.178, p < 0.001 non-valvular AF patients. (Cardiol J 2015; 22, 5: 567-575)

The results of the study show that in patients with PAH, the presence of severe TR is associated with an overestimated PASP measurement on echocardiography.

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