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The article discusses the complexity of the relationship between patent foramen oval (PFO) and embolic stroke of undetermined source (ESUS) in cryptogenic stroke patients. It emphasizes the challenges in risk stratification and treatment decisions, especially in distinguishing between ESUS and migraine patients with PFO, highlighting the need for more refined risk stratification tools for tailored treatment.

Thromboembolic (TE) risk scores used for atrial fibrillation (AF) patients do not include mitral annular calcification (MAC) as a potential indicator of vascular disease. This research evaluated the correlation between MAC and TE risk scores (CHADS2 and CHA2DS2-VASc). We compared TE risk score values and clinical and echocardiographic data in patients with and without MAC. We included, prospectively, 103 patients: 40.8% with AF, 83.5% with hypertension, 30.1% with type II diabetes mellitus, 79.6% with chronic heart failure, and 7.8% with a history of stroke. We identified MAC in 50.5% of patients. The mean CHADS2 and CHA2DS2-VASc scores were 2.56 ± 1.135 and 4.57 ± 1.61, respectively. In MAC patients, both scores tended to increase significantly compared with the control (2.88 ± 1.114 versus 2.24 ± 1.06, p = 0.005, and 5.21 ± 1.51 versus 3.92 ± 1.46, p < 0.001, respectively). The left ventricular ejection fraction negatively correlated with the presence of MAC (r = −0.254, p = 0.01). The presence of MAC was a risk factor for vascular disease (OR = 2.47, χ2 = 34.32, p < 0001). Conclusions: The presence of MAC is associated with greater TE risk scores and a higher risk of vascular disease. It appears that adding MAC as a vascular disease parameter to TE risk scores may have benefits for patients by improving their predictive value. [ABSTRACT FROM AUTHOR]