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    Copeptin Level and Copeptin Response to Percutaneous Balloon Mitral Valvuloplasty in Mitral Stenosis
    (Karger, 2011) Gunebakmaz, Ozgur; Celik, Ahmet; Inanc, M. Tugrul; Duran, Mustafa; Karakaya, Ekrem; Tulmac, Murat; Topsakal, Ramazan
    We aimed to investigate copeptin levels in mitral stenosis (MS) patients and the behavior of copeptin after hemodynamic improvement achieved by percutaneous balloon mitral valvuloplasty (PBMV). The study involved 29 consecutive symptomatic patients with moderate to severe rheumatic MS who underwent PBMV. Twenty-eight age- and gender-matched healthy volunteers composed the control group. Blood samples for copeptin were obtained immediately before and 24 h after PBMV, centrifuged, then stored at -70 degrees C until assayed. The copeptin level of the patient group was statistically different from that of the control group (61.8 +/- 34.4 and 36.8 +/- 15.2 pg/ml, respectively; p = 0.001). PBMV resulted in a significant increase in mitral valve area and a significant decrease in transmitral gradient as well as systolic pulmonary artery pressure. While hemodynamic relief was obtained, we detected a statistically significant decline in copeptin levels 24 h after PBMV compared to the baseline levels (from 61.8 +/- 34.4 to 44.1 +/- 18.2 pg/ml; p = 0.004). Copyright (C) 2012 S Karger AG, Basel
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    Hyperhomocysteinemia Predicts the Severity of Coronary Artery Disease as Determined by the SYNTAX Score in Patients with Acute Coronary Syndrome
    (Taiwan Soc Cardiology, 2018) Karadeniz, Muhammed; Sarak, Toner; Duran, Mustafa; Alp, Caglar; Kandemir, Huseyin; Celik, Ibrahim Etem; kilic, Alparslan
    Background: Hyperhomocysteinemia is a known risk factor for acute coronary syndrome (ACS) and is related with the severity of coronary artery disease (CAD). Previous studies have used less quantifiable scoring systems for assessing the severity of CAD. Therefore, we aimed to assess the relationship between homocysteine levels and SYNTAX score (SXscore), which is currently more widely used to grade the severity of CAD. Methods: A total of 503 patients with adiagnosis of ACS were examined angiographically with SXscore. The patients were divided into three groups according to SXscore; Group 1 a low SXscore <= 22), Group 2 a moderate SXscore (23-32), and Group 3 a high SXscore (>= 33). Results: Plasma homocysteine levels were 16.3 +/- 6.2 nmol/mL in Group 1, 18.1 +/- 9.6 nmol/mL in Group 2, and 19.9 +/- 9.5 nmol/mL in Group 3. Homocysteine levels were significantly higher in Group 2, and Group 3 compared to Group 1 (p = 0.023 and 0.007, respectively). In the correlation analysis, homocysteine levels were correlated with SXscore (r: 0.166, p < 0.01). Conclusions: Serum homocysteine levels on admission were associated with an increased severity of CAD in the patients with ACS.
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    The Association Between Atherogenic Index of Plasma and No-Reflow Phenomenon in Acute Coronary Syndrome
    (Kare Publ, 2023) Celik, Ibrahim Etem; Ozturk, Selcuk; Yarlioglu, Mikail; Barutcu, Ozan; Akgun, Onur; Duran, Mustafa; Yorulmaz, Sukru
    Background: The atherogenic index of plasma (AIP) is a biomarker of plasma atherogenicity. Elevated AIP is linked with adverse cardiac events. We sought to examine the association of admission AIP and no-reflow phenomenon (NRP) in acute coronary syndrome (ACS) patient population treated with percutaneous coronary intervention (PCI).Methods: Eight hundred eight-four ACS patients were included to statistical tests retrospectively and classified according to the occurrence of NRP: NRP (-) (n = 662) and NRP (+) (n = 186). AIP levels were calculated through the formula log10 (trig lycer ide-t o-hig h-den sity lipoprotein cholesterol ratio).Results: AIP levels were higher in NRP (+) patients compared to NRP (-) group patients. The receiver operating characteristic (ROC) curve analysis for AIP to predict NRP yielded an area under the ROC curve value 0.643 [95% confidence interval (CI): 0.596-0.690, P < .001]. AIP was associated with NRP in univariate logistic regression analysis [Odds Ratio (OR): 2.46; P = .001; CI: 1.44 (lower limit)-4.21 (upper limit)]. However, AIP did not emerge as a significant prognostic factor of NRP in multiple logistic regression analysis [OR: 2.11; P = .422; CI: 0.34 (lower limit)-13.11 (upper limit)]. On the other hand, peak troponin T (log10) was an independent prognostic factor for NRP [OR: 0.13; P < .001; CI: 0.10 (lower limit)-0.37 (upper limit)] occurrence.Conclusion: The AIP level on admission is not a statistically significant prognostic factor of NRP. However, peak troponin T (log10) is an independent prognostic parameter of NRP.