European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology · 2011
Relationship between platelet indices and spontaneous echo contrast in patients with mitral stenosis.
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Akpek Mahmut, Kaya Mehmet G, Yarlioglues Mikail, Dogdu Orhan, Ardic Idris, Sahin Omer, Elcik Deniz, Ozdogru Ibrahim, Topsakal Ramazan, Oguzhan Abdurrahman, Ergin Ali, Kalay Nihat
Аннотация
AIMS: To determine the association of platelet indices with spontaneous echo contrast (SEC) in patients with mitral stenosis.
METHODS AND RESULTS: A total of 232 consecutive patients with mitral stenosis who undergoing mitral balloon valvuloplasty were enrolled to the study. Patients were divided into two groups according to the formation of SEC in the left atrium. Group 1: mitral stenosis complicated with SEC; Group 2: mitral stenosis without SEC. Transthoracic echocardiography and transoesophageal echocardiography were performed for each patient. Complete blood counting parameters were measured and all routine biochemical tests were performed. There were 133 patients (mean age 42 ± 11 and 74% female) in the SEC(-) group and 99 patients (mean age 45 ± 10 and 64% female) in the SEC(+) group. Plateletcrit (0.25 ± 0.06 vs. 0.27 ± 0.07, P = 0.043) and mean platelet volume (MPV) levels (9.4 ± 1.1 vs. 10.4 ± 1.2, P < 0.001) were significantly higher in the SEC(+) group. When we divided the SEC(+) patients into four subgroups according to previously reported criteria, MPV levels increased to correlate with the degree of SEC (P < 0.001). At multivariate analysis, MPV levels [odds ratio (OR) 2.365, 95% confidence interval (CI) 1.720-3.251; P < 0.001] and PCT levels (OR 2.699, 95% CI 1.584-4.598; P= 0.033) are independent risk factors of SEC in patients with mitral stenosis.
CONCLUSION: In patients with mitral stenosis, cheaply and easily measurable platelet indices including MPV and PCT levels are associated with the presence of SEC and are independent risk factors of SEC.
METHODS AND RESULTS: A total of 232 consecutive patients with mitral stenosis who undergoing mitral balloon valvuloplasty were enrolled to the study. Patients were divided into two groups according to the formation of SEC in the left atrium. Group 1: mitral stenosis complicated with SEC; Group 2: mitral stenosis without SEC. Transthoracic echocardiography and transoesophageal echocardiography were performed for each patient. Complete blood counting parameters were measured and all routine biochemical tests were performed. There were 133 patients (mean age 42 ± 11 and 74% female) in the SEC(-) group and 99 patients (mean age 45 ± 10 and 64% female) in the SEC(+) group. Plateletcrit (0.25 ± 0.06 vs. 0.27 ± 0.07, P = 0.043) and mean platelet volume (MPV) levels (9.4 ± 1.1 vs. 10.4 ± 1.2, P < 0.001) were significantly higher in the SEC(+) group. When we divided the SEC(+) patients into four subgroups according to previously reported criteria, MPV levels increased to correlate with the degree of SEC (P < 0.001). At multivariate analysis, MPV levels [odds ratio (OR) 2.365, 95% confidence interval (CI) 1.720-3.251; P < 0.001] and PCT levels (OR 2.699, 95% CI 1.584-4.598; P= 0.033) are independent risk factors of SEC in patients with mitral stenosis.
CONCLUSION: In patients with mitral stenosis, cheaply and easily measurable platelet indices including MPV and PCT levels are associated with the presence of SEC and are independent risk factors of SEC.