Publications by authors named "H Zeki Tonbul"

Overexpression of permeability-glycoprotein (P-gp) transporter leads to multidrug resistance (MDR) through cellular exclusion of chemotherapeutics. Co-administration of P-gp inhibitors and chemotherapeutics is a promising approach for improving the efficacy of therapy. Nevertheless, problems in pharmacokinetics, toxicity and solubility limit the application of P-gp inhibitors.

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Background And Aim: There are over 60,000 hemodialysis (HD) patients in Türkiye, and the number of patients is increasing yearly. Dialysate flow rate (Qd) is a factor in HD adequacy. Approximately 150 L of water are consumed per session to prepare the dialysate.

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Introduction: This study investigated the relationship between ultrafiltration (UF) volume and pruritus severity based on the idea that skin perfusion and inflammatory changes occur in dialysis patients with high UF volume.

Materials And Methods: This observational study included 392 patients. Patients filled out the Numerical Rating Scale, Verbal Rating Scale, and Visual Analogue Scale, showing the severity of pruritis.

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Atypical/complement-mediated hemolytic uremic syndrome (A-HUS/CM-HUS) is a hereditary or sporadic disease with thrombotic microangiopathy (TMA). Diarrhea is a trigger that can cause attacks of CM-HUS. Although there are opinions that complement system activation plays a role in intestinal inflammation in patients with inflammatory bowel disease, the association of TMA with inflammatory bowel disease (IBD) has rarely been reported.

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Background: This study aimed to evaluate the etiologies, comorbidities, and outcomes of acute kidney injury (AKI) in Turkey and determine any potential differences among different geographical parts of the country.

Methods: This prospective observational study was conducted by the Acute Kidney Injury Working Group of the Turkish Society of Nephrology. Demographical and clinical data of patients with AKI at the time of diagnosis and at the 1 week and 1, 3, and 6 months of diagnosis were evaluated to determine patient and renal survival and factors associated with patient prognosis.

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