PubMed İndeksli Yayınlar Koleksiyonu

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    Risk Factors and Treatment Options for Persistent Hyperparathyroidism After Kidney Transplantation
    (2020) Kirnap, Nazli Gulsoy; Kirnap, Mahir; Sayin, Burak; Akdur, Aydincan; Tutuncu, Neslihan Bascil; Haberal, Mehmet; 0000-0002-8726-3369; 0000-0002-3462-7632; 0000-0002-1816-3903; 0000-0001-8287-6572; 31924405; AAA-3068-2021; AAJ-8097-2021; ABG-5027-2020; J-3707-2015
    Background. Kidney transplantation (KT) corrects secondary hyperparathyroidism. However, persistent hyperparathyroidism (pHPT) may be observed in some patients post-KT. This study aims to evaluate the risk factors and treatment options for pHPT. Materials and methods. The study population comprises 1054 patients who underwent KT between January 2001 and May 2019. Serum samples were analyzed for calcium (Ca), phosphorus, creatinine, intact parathyroid hormone (iPTH) and estimated glomerular filtration rate. Results. The prevalence of pHPT following KT is 14%. Ninety pHPT patients were compared with 550 non-pHPT patients. The median duration of pre-KT dialysis was longer, and pre-KT serum Ca, P, and iPTH levels were significantly higher in the pHPT group than the non-HPT group. The pHPT of 46 patients (51%) received medical treatment. The remaining 44 patients (49%) had parathyroidectomy (PTx) if symptoms or signs (or both) of pHPT continued. Subtotal PTx was performed in 35 patients, and minimally invasive PTx was performed in 9 patients. Conclusion. Based on our study results, the most important risk factors for post-KT pHPT are long dialysis duration and high pre-KT iPTH levels. In patients who underwent KT, if pHPT lasts longer than 1 year, surgical treatment is the recommended approach. Based on our experience, the treatment method to be performed in pHPT should be 3+1/2 PTx.
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    New-Onset Diabetes and Glucose Regulation Are Significant Determinants of Left Ventricular Hypertrophy in Renal Transplant Recipients
    (2015) Sezer, Siren; Uyar, Mehtap Erkmen; Tutal, Emre; Bal, Zeynep; Guliyev, Orhan; Colak, Turan; Hasdemir, Efe; Haberal, Mehmet; 25945353
    Background. New-onset diabetes after transplantation (NODAT) is associated with decreased graft survival and an increased risk for cardiovascular disease. The objective of this study was to evaluate the risk factors for development of NODAT and its' relationship with arterial stiffness and left ventricular mass index (LVMI) in kidney transplant recipients. Methods. 159 kidney transplant recipients were selected from our transplantation center who underwent renal transplantation between years 2007 and 2010. Results. Among 159 patients, 57 (32.2%) patients were with NODAT who were significantly older than patients without diabetes (P: 0.0001). Patients with NODAT had significantly higher pulse wave velocity (PWv) (P: 0.033) and left ventricular mass index LVMI (P: 0.001) compared to patients without NODAT. Further analysis was done according to LVMI as follows: LVMI > 130 g/m(2) (n: 57) and LVMI <= 130 g/m(2) (n: 102). We observed higher office systolic and diastolic BP, serum trygliceride, glucose, creatinine, age, and HbA1c (P: 0.0001) levels in patients with LVMI > 130 g/m(2). Linear regression analysis revealed that HbA1c was the major determinant of LVMI (P: 0.026, beta: 0.361). Conclusions. HbA1c is the major determinant of LVMI, so strict control of serum glucose levels is essential for preventing cardiovascular disease in patients with NODAT.