Πλοήγηση ανά Συγγραφέα "Gravas, S."
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Investigational therapies targeted to the treatment of benign prostatic hyperplasia
Gravas, S.; de la Rosette, Jjmch (2013)Introduction: The desired goals of treatment of lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH) include sustained, clinically significant improvement in symptoms and quality of life and/or ... -
Is Focal Therapy an Alternative to Active Surveillance?
Gravas, S.; de Reijke, T. (2010)Because of the widespread use of prostate-specific antigen, urologists face an increasing number of patients with small-volume, low-grade prostatic carcinoma seeking the optimal therapeutic approach. Concerns about ... -
Is there a learning curve for photodynamic diagnosis of bladder cancer with hexaminolevulinate hydrochloride?
Gravas, S.; Efstathiou, K.; Zachos, I.; Melekos, M. D.; Tzortzis, V. (2012)Introduction: To assess the learning curve for fluorescence cystoscopy using hexaminolevulinate hydrochloride (HAL) in patients with bladder cancer. Material and methods: Fifty patients underwent bladder instillation with ... -
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 ... -
Laser Treatment of Benign Prostatic Obstruction: Basics and Physical Differences
Bach, T.; Muschter, R.; Sroka, R.; Gravas, S.; Skolarikos, A.; Herrmann, T. R. W.; Bayer, T.; Knoll, T.; Abbou, C. C.; Janetschek, G.; Bachmann, A.; Rassweiler, J. J. (2012)Context: Laser treatment of benign prostatic obstruction (BPO) has become more prevalent in recent years. Although multiple surgical approaches exist, there is confusion about laser-tissue interaction, especially in terms ... -
Medical Expulsive Therapy for Distal Ureteral Stones
Tzortzis, V.; Mamoulakis, C.; Rioja, J.; Gravas, S.; Michel, M. C.; de la Rosette, Jjmc (2009)Although minimally invasive treatments for ureteral stones are efficacious, they are not free of complications and are associated with high cost. Medical expulsive therapy (MET) has recently emerged as an alternative ... -
Microwave Therapy
Gravas, S. (2012)Thorough evaluation of microwave technology has led to the clinical application of several principles of microwave radiation for the thermotherapy of the prostate. First, the efficacy and safety of the method was demonstrated ... -
Minimally Invasive Surgical Treatments for Benign Prostatic Hyperplasia
Tzortzis, V.; Gravas, S.; de la Rosette, Jjmch (2009)Although transurethral resection of the prostate (TURP) is considered to be the reference standard for minimally invasive surgical treatment (MIST) of lower urinary tract symptoms (LUTS) due to benign prostatic obstruction ... -
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 ... -
Oral Phosphodiesterase Type 5 Inhibitors Alleviate Recurrent Priapism Complicating Thalassemia Intermedia: A Case Report
Tzortzis, V.; Mitrakas, L.; Gravas, S.; Mamoulakis, C.; Meissner, A.; Kyriakou, D.; Melekos, M. D. (2009)Introduction. Recurrent ischemic priapism still remains a serious and difficult to treat complication of certain hematological disorders. Elucidation of the underlying pathophysiologic mechanisms and application of new ... -
Primary renal epithelioid hemangioendothelioma
Karasavvidou, F.; Barbanis, S.; Ioannou, M.; Pappa, D.; Gravas, S.; Melekos, M. (2008) -
Relevance of benign prostatic hyperplasia and associated conditions for urologists, health care systems, and society
Oelke, M.; Gravas, S. (2010) -
Sexual dysfunction in newly diagnosed multiple sclerosis women
Tzortzis, V.; Skriapas, K.; Hadjigeorgiou, G.; Mitsogiannis, I.; Aggelakis, K.; Gravas, S.; Poulakis, V.; Melekos, M. D. (2008)Objectives The aim of the study was to evaluate female sexuality in a selective population of newly diagnosed multiple sclerosis (MS) women. Materials and methods In this clinic-based study, 63 newly diagnosed consecutive ... -
Sexual function in pre- and post-menopausal women with obstructive sleep apnea syndrome
Stavaras, C.; Pastaka, C.; Papala, M.; Gravas, S.; Tzortzis, V.; Melekos, M.; Seitanidis, G.; Gourgoulianis, K. I. (2012)The objective of this study was to evaluate the female sexual function in relation to hormonal status in pre- and postmenopausal women with obstructive sleep apnea (OSA). A total of 43 premenopausal (mean age 42.1 +/- 4.9) ... -
Solifenacin/tamsulosin fixed-dose combination therapy to treat lower urinary tract symptoms in patients with benign prostatic hyperplasia
Dimitropoulos, K.; Gravas, S. (2015)Treatment of male lower urinary tract symptoms (LUTS) has traditionally focused on the management of benign prostatic obstruction, but the contribution of bladder dysfunction has been recently recognized. Therefore, it is ... -
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 ... -
Training in ureteroscopy: A critical appraisal of the literature
Skolarikos, A.; Gravas, S.; Laguna, M. P.; Traxer, O.; Preminger, G. M.; De La Rosette, J. (2011)The aim of the present review was to study factors influencing training and the maintenance of skills in performing ureteroscopy (URS). We searched on the following keywords in the Medline, Embase and Cochrane databases: ... -
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 ...