In the past few decades, several studies have reported the physiological effects of listening to music. The physiological effects of different music types on different people are not similar. Therefore, in the present study, we have sought to examine the effects of traditional Persian music on the cardiac function in young women. Twenty-two healthy females participated in this study. ECG signals were recorded in two conditions: rest and music. For each of the 21 ECG signals (15 morphological and six wavelet based feature) features were extracted. SVM classifier was used for the classification of ECG signals during and before the music. The results showed that the mean of heart rate, the mean amplitude of R-wave, T-wave, and P-wave decreased in response to music. Time-frequency analysis revealed that the mean of the absolute values of the detail coefficients at higher scales increased during rest. The overall accuracy of 91.6% was achieved using polynomial kernel and RBF kernel. Using linear kernel, the best result (with the accuracy rate of 100%) was attained.
Introduction: Given the role of platelets in thrombus formation, markers of platelet activation may be able to predict outcomes in patients with acute pulmonary thromboembolism (PTE). Methods: In a prospective cohort study, 492 patients with acute PTE were enrolled. Patients were evaluated for platelet indices including mean platelet volume (MPV), platelet distribution width (PDW), and platelet-lymphocyte-ratio (PLR), as well as for the simplified Pulmonary Embolism Severity Index (PESI) risk score. The primary endpoint was in-hospital all-cause mortality. Major adverse cardiopulmonary events (MACPE, composite of mortality, thrombolysis, mechanical ventilation and surgical embolectomy during index hospitalization) and all-cause death during follow-up were secondary endpoints. Results: MPV, PDW and PLR were 9.9±1.0 fl, 13.5±6.1%, and 14.7±14.5, respectively, in the total cohort. Whilst MPV was higher in those with adverse events (10.1±1.0 vs 9.9±1.0 fl; P = 0.019), PDW and PLR were not different between two groups. MPV with a cut-off point of 9.85 fl had a sensitivity of 81% and a specificity of 50% in predicting in-hospital mortality, but it had lower performance in predicting MACPE (Area under the curve: AUC 0.58; 95%CI 0.52-0.63) or long-term mortality (AUC 0.54; 95% CI 0.47-0.61). The AUC for all these three markers were lower than the AUC calculated for the simplified PESI score (0.80; 0.71-0.88). Conclusion: Platelet indices had only fair-to-good predictive performance in predicting in-hospital all-cause death. Established PTE risk scoring models such as simplified PESI outperform these indices in predicting adverse outcomes. Article info TUOMS P R E S SPlatelets indicies in acute pulmonary thromboembolism
Background. Timely and effective use of health care services is essential to delay or prevent complications and reduce the burden of diabetes. Positive health care seeking behaviors can improve diabetes control and, as a result, reduce the incidence of the complications. So, this study aimed to investigate the status of health care seeking behaviors and affecting factors in type 2 diabetic patients. Materials and methods. This was a cross-sectional study. There were 1139 patients with type 2 diabetes aged > 18 years selected who referred to educational hospitals, Endocrinologist office, primary health care centers, and Clinics. Data collected using a researchermade questionnaire and analyzed using SPSS software version 22. Results. 36.3% of diabetic patients initially referred to a physician in the event of illness symptoms, and 70.7% of patients referred to a physician in case of exacerbating of disease symptoms. 58.4% of patients preferred to consult a specialist directly. 78.85 of patients reported that they had referred to a physician on a regular basis and 59.9% of patients followed up their treatment process on a regular basis. The physician was the main source of information for the majority of patients. Income, education and health insurance status, disease severity, chronicity of DM, the history of hospitalization due to DM were the affecting factors on health care seeking behaviors (p < 0.05). Conclusion. Most of the diabetics often did not follow the official structure of health care providing to manage their illness, and despite the referral system and family practitioner program more than half of the patients went directly to the specialist physician's office. Factors related to the patient (an income and education status), disease characteristics (disease severity, chronicity of DM and the history of hospitalization due to DM) and health care system factors (type of the basic insurance and supplementary insurance status) affect the health care seeking behaviors. (Clin
Objectives This study aimed to assess the effect of the admission time (on-hours versus off-hours) on in-hospital mortality in patients with ST-elevation myocardial infarction (STEMI) treated with primary percutaneous coronary intervention (PPCI) in a region without STEMI network. Methods We analysed in-hospital the mortality among 300 consecutive ST-segment elevation myocardial infarction (STEMI) patients treated with PPCI between March 2012 and February 2017. Patients were divided according to admission time into on-hours admission (08:00 AM until 08:00 PM on weekdays) versus off-hours admission (08:00 PM until 08:00 AM on weekdays and 24 h on weekends and holidays). Demographic and clinical data as well as in-hospital mortality were compared between the two groups. Results One hundred and seventy eight (59.3%) patients were admitted during on-hours, and 122 (40.7%) patients were presented in off-hours. The mean door-to-balloon time was 42.3 min in the off-hours group and 34.2 min in the on-hours group with no statistically significant difference (p = 0.39). The mortality rate was 3.9% at on-hours presentation versus 4.09% in off-hours admission (p = 0.58). Multivariate logistic regression analysis showed that off-hours presentation was not associated with in-hospital mortality. [odds ratio (OR) 0.74; 95% CI, 0.21–2.61, p = 0.64]. Conclusion Despite no efficient STEMI network in present study, off-hour presentation had no significant impact on in-hospital prognosis in patients with STEMI treated with PPCI. Larger studies are warranted in order to determine the prognostic role of off-hour presentation in patients with STEMI undergoing PPCI.
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