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    Appropriateness of the current guidelines on reperfusion treatment for patients applying to our hospital with ST-segment elevation acute myocardial infarction
    (2012) Karaarslan Ş.; Alihanoglu Y.I.; Yildiz B.S.; Sönmez O.; Soylu A.; Bacaksiz A.; Düzenli A.
    Objectives: This study investigated the appropriateness of treatment for patients admitted with ST-segment elevation myocardial infarction (STEMI) according to the current guidelines. We also aimed to determine in-patient and out-patient factors affecting optimal re perfusion therapy. Study design: The reperfusion therapy of 176 patients with STEMI was determined. The time period from first contact with a healthcare provider to the time of balloon inflation (door to balloon time), and from the time period of first contact with a healthcare provider to the time of initiation of a thrombolytic (door to needle time) were calculated. Similarly, the time from admission at the emergency service (ES) of our hospital after referral to the moment of balloon inflation (ES to balloon time) and the period from admission to ES at our hospital to the moment of initiation of a thrombolytic (ES to needle time) were calculated. In order to determine the amount of in-hospital delay, the time from ES admission to the call to the cardiology department and the time for the cardiologist to evaluate the patient and transfer time were recorded. Whether the referring physician was a cardiologist and the effect of work hours on the reperfusion period was also recorded. Results: The door to balloon time in the referred patient group was calculated as an average of 228 minutes, while the time for patients directly admitted to ES was calculated as an average of 98 minutes. Patients referred for the mechanical reperfusion period compared to American Heart Association (AHA) guidelines consisted of only 6% of the eligible patients, while according to the European Society of Cardiology (ESC) guidelines 13% of patients were appropriate. Patients who were directly admitted to ES, experienced rates according to AHA guidelines and 73% experienced these rates according to ESC guidelines. We also found no significant effect of working hours or referring physician's specialty (cardiologist or other) on reperfusion time. Conclusion: Compliance rates of reperfusion therapy for patients presenting with STEMI was very low. We realized, when taking into consideration the reasons for delay in terms of both health community and the policy of the country, it is obvious that we have to take strict measures. © 2012 Turkish Society of Cardiology.
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    Assessment of left ventricular systolic and diastolic function with conventional and tissue Doppler echocardiography imaging techniques in patients administered tyrosine kinase inhibitor
    (2012) Alihanoglu Y.I.; Kaya Z.; Ari H.; Karaarslan Ş.; Yildiz B.S.; Karanfil M.; Ülgen M.S.
    Objectives: The aim of this study was to use echocardiographic techniques to determine the possible cardiotoxic effects of low molecular weight tyrosine-kinase inhibitors (TKI) in patients receiving the therapy for the first time. Study design: Thirty patients (17 females; 13 males; mean age 49±16; range 22 to 76 years) who met the exclusion criteria and were diagnosed as having malignancy were enrolled. All patients underwent conventional echocardiography and tissue Doppler imaging (TDI) prior to the treatment. The conventional echocardiogram was repeated 2 months later as the patients were concurrently receiving therapy. Myocardial Performance Index was obtained by conventional echocardiography and by TDI techniques to evaluate left ventricular systolic and diastolic function. Results: Statistically significant increase occurred in mean left ventricle (LV) end-systolic volume. However, there was significant decrease in both mean LV ejection fraction and LV stroke volume values (64±3, 62±4, p=0.000 and 67±13, 61±13, p=0.000, respectively). Anterior wall Em/Am ratio measured by using the TDI technique was significantly decreased at the end of two months (0.99±0.49, 0.90±0.41, p=0.03). In addition, decreases were determined in Sm values obtained from all of four LV walls and also in mean Sm value, but this decrease was significant only for the lateral wall Sm measurement (12.8±2.9, 11.6±2.3, p=0.004). Conclusion: Tyrosine-kinase inhibitors therapy can be administered safely to patients without predisposing factors for cardiotoxicity in short treatment intervals, and low molecular TKIs may cause subtle or clinically significant cardiotoxicity following the treatment period even in patients without predisposing factors for cardiotoxicity, so clinicians should consider this possibility. © 2012 Turkish Society of Cardiology.