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- 저자 : Mustafa Kanat (검색결과 2 건)
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Evaluation of Cardiac Functions with Tissue Doppler Imaging in Prediabetic Subjects
Mustafa Kanat,Seref Vardi,Huseyin Arinc,Huseyin Gunduz,Alim Erdem,Yalcin Karagoz 대한심장학회 2013 Korean Circulation Journal Vol.43 No.2
Background and Objectives: The aim of the present study was to evaluate left ventricle systolic and diastolic function, using tissue Doppler echocardiography (TDE), in relation to blood glucose status in prediabetic patients who had no evidence of heart disease by conventional echocardiography (CE). Subjects and Methods: We included 60 patients (30 female, 30 male) and 20 healthy controls (10 male, 10 female). All participants were randomised into four groups according to their oral glucose tolerance test. Group-I consisted of those patients who had only impaired fasting glucose (IFG). group-II consisted of patients who had only impaired glucose tolerance (IGT) and group-III consisted of patients who had both IFG and IGT, that is so-called combined glucose intolerance. Group-IV included the healthy controls. All subjects underwent both CE and TDE. Results: No significant differences were found among the four groups in terms of CE. There was no significant difference between group-IV and group-I with respect to the early peak diastolic velocity (Ea) of medial mitral annulus (11.65±0.66 vs. 9.72±1.58, p>0.05), whereas a statistically significant difference was found between group-IV and group-II (11.65 ±0.66 vs. 9.06±1.07, p<0.001) and between group-IV and group-III (11.65±0.66 vs. 9.74±1.09, p<0.05). Conclusion: Diastolic myocardial dysfunction in prediabetic patients may be identified by quantitative TDE before the appearance of CE in -dices of myocardial dysfunction.
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Olmez, Omer Fatih,Evrensel, Turkkan,Cubukcu, Erdem,Ugras, Nesrin,Avci, Nilufer,Canhoroz, Mustafa,Deligonul, Adem,Hartavi, Mustafa,Olmez, Fatma,Cubukcu, Sinem,Tolunay, Sahsine,Kurt, Ender,Kanat, Ozkan Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.7
Background: Previous reports have shown that human epidermal receptor (HER)-3 overexpression may be associated with poor prognosis in patients with breast cancer, but results have been conflicting. In this study, we sought to investigate the prognostic significance of HER-3 immunohistochemical expression in patients with metastatic breast cancer. Methods: We retrospectively analyzed HER-3 immunohistochemical expression profiles in 45 paraffin-embedded specimens from patients who had been treated between 1996 and 2006 in the Department of Oncology of the Uludag University School of Medicine, Bursa, Turkey. Membranous or cytoplasmic dominant expression patterns of HER-3 were analyzed using the Rajkumar score and a cytoplasmic 4-point scoring system, respectively. Progression-free survival (PFS) and overall survival (OS) served as the main outcome measures. Results: The median PFS in the study participants was 9 months (interquartile range: 4.5-13 months), whereas the median OS was 20 months (interquartile range: 7.5-28 months). Categorization of the patient population according to HER-3 positive immunohistochemical expression did not reveal any statistically significant difference in terms of both PFS (p=0.70) and OS (p=0.81). The results of multivariable Cox regression analysis indicated that tumor size was the only independent predictor of PFS, whereas estrogen and progesterone receptor status was independently associated with OS. Conclusions: HER-3 immunohistochemical expression did not correlate with outcomes in Turkish patients with metastatic breast cancer. Although our results suggest that HER-3 expression in cancer specimens is not of prognostic significance, further prospective studies are warranted to confirm these results.
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