Sfoglia per Autore "Karatzas, A."
Items 1-17 di 17
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Analgesia during extracorporeal shockwave lithotripsy: Fentanyl citrate versus parecoxib sodium
Mitsogiannis, I. C.; Anagnostou, T.; Tzortzis, V.; Karatzas, A.; Gravas, S.; Poulakis, V.; Melekos, M. D. (2008)Background and Purpose: Shockwave-induced pain may become an important issue during extracorporeal shockwave lithotripsy (SWL), although the new generation of lithotriptors generally produces less pain than previous models. ... -
Feasibility and efficacy of extracorporeal shock-wave lithotripsy using a new modified lateral position for the treatment of renal stones in obese patients
Karatzas, A.; Gravas, S.; Tzortzis, V.; Aravantinos, E.; Zachos, I.; Kalogeras, N.; Melekos, M. (2012)The aim of our study was to evaluate the efficacy and safety of ESWL using a modified lateral position in obese patients with renal stones. Nineteen obese patients with renal stones were enrolled (group A). The mean stone ... -
Feasibility and safety of radical cystectomy under combined spinal and epidural anesthesia in octogenarian patients with ASA score >= 3: A case series
Tzortzis, V.; Dimitropoulos, K.; Karatzas, A.; Zachos, I.; Stamoulis, K.; Melekos, M.; Gravas, S. (2015)Introduction: This study evaluated the feasibility and safety of open radical cystectomy (RC) under combined regional anesthesia (CRA) in high-risk octogenarian patients. Methods: We retrospectively evaluated the medical ... -
Genetic polymorphisms in the UDP-glucuronosyltransferase 1A1 (UGT1A1) gene and prostate cancer risk in Caucasian men
Karatzas, A.; Giannatou, E.; Tzortzis, V.; Gravas, S.; Aravantinos, E.; Moutzouris, G.; Melekos, M.; Tsezou, A. (2010)Background: Catechol-estrogen metabolites can induce carcinogenesis by acting as endogenous tumor initiators. Glucuronidation, mediated by the UDP-glucuronosyltransferase 1A1 (UGT1A1) enzyme, is a main metabolic pathway ... -
A giant inguinoscrotal bladder hernia as a cause of chronic renal failure: A rare case
Karatzas, A.; Christodoulidis, G.; Spyridakis, M.; Stavaras, C.; Aravantinos, E.; Melekos, M. (2013)INTRODUCTION: Giant inguinoscrotal bladder hernias are very rare and require surgical intervention. They usually do not cause any specific symptoms and thus, they are often misdiagnosed. If left untreated though, they might ... -
Impact of stapling devices on radical cystectomy: Comparative study between low- and high-volume surgeons
Tzortzis, V.; Gravas, S.; Mitsogiannis, I. C.; Moutzouris, G.; Karatzas, A.; Leventis, A.; Mpouzalas, I.; Melekos, M. D. (2008)OBJECTIVES To compare effectiveness in terms of blood loss and operative time of stapling devices among surgeons with different levels of surgical volume. METHODS We evaluated a group of 29 male patients with invasive ... -
The impact of stapling devices use on patients with increased body mass index treated with radical cystectomy
Tzortzis, V.; Dimitropoulos, K.; Gravas, S.; Karatzas, A.; Zachos, I.; Gkialas, I.; Papadopoulos, G.; Melekos, M. (2014)Introduction: The aim of this retrospective study was to evaluate the impact of stapling devices use on overweight and obese bladder cancer patients treated with radical cystectomy (RC). Materials and methods: Fifty-two ... -
Lack of association between the UDP-glucuronosyltransferase 1A1 (UGT1A1) gene polymorphism and the risk of benign prostatic hyperplasia in Caucasian men
Karatzas, A.; Tzortzis, V.; Giannatou, E.; Gravas, S.; Zachos, I.; Oeconomou, A.; Melekos, M.; Tsezou, A. (2013)Glucuronidation, mediated by the UDP-glucuronosyltransferase 1A1 (UGT1A1) enzyme, is an important metabolic process during which steroids are converted to more easily excreted compounds in steroid target tissues, such as ... -
Molecular Pathogenesis of Non Muscle-Invasive Bladder Cancer: Implications for Novel Targeted Therapies
Zachos, I.; Tzortzis, V.; Konstantinopoulos, P. A.; Karatzas, A.; Gravas, S.; Melekos, M.; Papavassiliou, A. G. (2011)Approximately 70% to 80% of patients with urothelial carcinomas of the bladder are initially diagnosed with non-muscle invasive disease. Superficial, non-muscle invasive bladder cancers (NMIBCs) are managed with cystoscopic ... -
Percutaneous Nephrolithotomy Under a Multimodal Analgesia Regime
Aravantinos, E.; Kalogeras, N.; Stamatiou, G.; Theodorou, E.; Moutzouris, G.; Karatzas, A.; Melekos, M. (2009)Objectives: To evaluate the possibility of performing percutaneous nephrolithotomy (PCNL) under a multimodal analgesia regime. Patients and Methods: During a period of 3 years, 51 patients requiring PCNL were enrolled in ... -
Percutaneous suprapubic cystolithotripsy under local anesthesia
Tzortzis, V.; Aravantinos, E.; Karatzas, A.; Mitsogiannis, I. C.; Moutzouris, G.; Melekos, M. D. (2006)Objectives. To assessed the feasibility and effectiveness of percutaneous cystolithotripsy under local anesthesia in selected patients. Methods. Thirty-one patients with bladder stones of different etiologies underwent ... -
Prostate cancer
Karatzas, A.; Melekos, M. (2011) -
THE ROLE OF DIABETES TYPE IN THE PATHOGENESIS OF SEXUAL DISORDERS AND SEXUAL DISTRESS IN WOMEN
Dimitropoulos, K.; Bargiota, A.; Mouzas, O.; Bristianou, M.; Karatzas, A.; Zachos, I.; Panou, C.; Melekos, M.; Koukoulis, G.; Tzortzis, V. (2012) -
Sexual dysfunction in testicular cancer patients subjected to post-chemotherapy retroperitoneal lymph node dissection: A focus beyond ejaculation disorders
Dimitropoulos, K.; Karatzas, A.; Papandreou, C.; Daliani, D.; Zachos, I.; Pisters, L. L.; Tzortzis, V. (2015)Post-chemotherapy retroperitoneal lymph node dissection (PC-RPLND) represents an integral part of multidisciplinary treatment of advanced germ cell cancer; however, it is associated with a high complications rate. The ... -
Systemic therapy of metastatic bladder cancer in the molecular era: current status and future promise
Zachos, I.; Konstantinopoulos, P. A.; Tzortzis, V.; Gravas, S.; Karatzas, A.; Karamouzis, M. V.; Melekos, M.; Papavassiliou, A. G. (2010)Importance of the field: Platinum-based chemotherapy is considered the standard-of-care first-line therapy for metastatic bladder cancer. Despite the initial high response rate, the vast majority of patients eventually ... -
Tumor size and T stage correlate independently with recurrence and progression in high-risk non-muscle-invasive bladder cancer patients treated with adjuvant BCG
Zachos, I.; Tzortzis, V.; Mitrakas, L.; Samarinas, M.; Karatzas, A.; Gravas, S.; Vandoros, G. P.; Melekos, M. D.; Papavassiliou, A. G. (2014)We conducted a retrospective study to determine the prognostic significance of age, gender, associated carcinoma in situ, stage, number of tumors, and tumor size for patients with high-risk non-muscle-invasive bladder ... -
Use of haemostatic glue for fistula prevention after iatrogenic combined rupture of anterior vaginal wall, bladder and urethra, during vaginal delivery
Karatzas, A.; Zachos, I.; Tzortzis, V.; Melekos, M. (2011)