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Subject: search.filters.subject.Cardiovascular diseases

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    Pacemaker lead-induced tricuspid stenosis treated with percutaneous valvotomy
    (Turkish National Pediatric Society, 2020) Özyiğit, Tolga; Çetiner, Nilüfer; Çeliker, Alpay; Baştuhan, Işıl Yıldırım; Mutluer, Ferit Onur; Faculty Member; Other; Doctor; Doctor; School of Medicine; School of Medicine; N/A; N/A; N/A; N/A; Koç University Hospital; Koç University Hospital; 181047; N/A; N/A; N/A
    Background. Tricuspid stenosis is an uncommon complication of ventricular pacemaker electrode implantation, with few cases reported in the literature. Case. We present an 18-year-old male who developed severe tricuspid stenosis 15 years after endocardial VVI pacemaker implantation for complete AV block following a surgically repaired ventricular septal defect. Conclusion. In this case we have shown that percutaneous balloon valvuloplasty was performed and successful in treating this complication.
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    Piezoelectric metamaterial blood pressure sensor
    (Koç University, 2023) Ahmadpour, Abdollah; Taşoğlu, Savaş; 0000-0003-4604-217X; Koç University Graduate School of Sciences and Engineering; Mechanical Engineering; 291971
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    Relationship between the triglyceride-glucose index and the SYNTAX score 2 in patients with non-ST elevation myocardial infarction
    (Lippincott Williams and Wilkins (LWW), 2023) N/A; Baydar, Onur; Kılıç, Alparslan; Gürsoy, Erol; Doctor; Doctor; Doctor; N/A; N/A; N/A; Koç University Hospital; N/A; N/A; N/A
    Objective: We evaluated if admissiontriglyceride-glucose index (TyG index) correlated with the anatomical synergy between percutaneous coronary intervention with taxus and cardiac surgery (SYNTAX) score 2 in non-ST elevation myocardial infarction (NSTEMI), nondiabetic patients. Methods: SYNTAX score 2 (SSII) was retrospectively evaluated in 260 nondiabetic patients hospitalized with NSTEMI who underwent coronary angiography. The TyG index was calculated using the following equation: log [fasting triglycerides (mg/dl) × fasting glucose (mg/dl)/2]. We stratified patients according to tertiles of SSII (≤21.5, 21.5-30.6, and ≥30.6). These score ranges were defined as SSII low, SSII mid, and SSII high, respectively. Results: the average age of the patients was 57.2 ± 10.9 years; 135 patients (52.2%) were males. The average TyG index was 8.68 ± 0.12, and SSII was 18.9 ± 9.9. A moderate correlation was found between TyG index and SSII (r = 0.347; P < 0.001) and TyG index was independent risk factors for SSII high [odds ratio (OR), 6.0; 95% CI, 2.7-17.0; P < 0.001]. Conclusion: in nondiabetic patients with NSTEMI, TyG index correlated with the SSII.