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Claire Pascoe, Daniel Christidis, Todd Manning, Benjamin W Lamb, Declan G Murphy, Nathan Lawrentschuk
Objective To describe our technique utilising photoselective vaporisation of the bladder (PVB) for the management of haemorrhagic cystitis and initial results of 12 patients. Materials and Method An audit of theatre records of a single surgeon was performed to identify patients who had undergone PVB for management of radiation-cystitis. TECHNIQUE: Rigid cystoscopy was performed. Ureteric catheters were placed and active bleeding sites targeted to optimise vision. Ablation was commenced using the vaporize function...
May 16, 2018: Urology
Malte Rieken, Stephen A Kaplan
Transurethral resection of the prostate remains the reference technique for patients with a prostate <100ml. Endoscopic enucleation is a safe and effective alternative, while photoselective vaporization of the prostate appears to be the treatment of choice for patients on anticoagulation medication.
May 10, 2018: European Urology Focus
Hua-Jie Zhang, Guo-Sheng Yang
n recent years, photoselective vaporization of the prostate (PVP) has gained a wide clinical application in the treatment of benign prostatic hyperplasia (BPH) for its satisfactory effect, high safety, and low incidence of complications. With the improvement of living conditions, BPH patients are paying more attention to their sexual function, especially erectile function and ejaculatory problems instead of just focusing on the alleviation of lower urinary tract symptoms. Few studies of PVP, however, relate to its association with the sexual function of the patient and there is a certain controversy over the influence of PVP on it in the existing literature...
December 2017: Zhonghua Nan Ke Xue, National Journal of Andrology
Meihua Lu, Xiaolong Liu
OBJECTIVE: To evaluate the safety and efficacy of GreenLight laser vaporization and thulium laser enucleation for nonmuscle invasive bladder cancer (NMIBC). PATIENTS AND METHODS: A total of 150 patients of NMIBC who underwent either GreenLight laser vaporization (Group A, n = 78) or thulium laser enucleation (Group B, n = 72) were analyzed, respectively. The preoperative, intraoperative, and postoperative clinical data were recorded and compared in the two groups...
May 2, 2018: Photomedicine and Laser Surgery
Jie Sun, An Shi, Zhen Tong, Chenfei Chi
To analyze the efficacy of Green Light photoselective vaporization of the prostate (PVP) in elderly high-risk benign prostatic hyperplasia (BPH) patients with glands over 80 ml. From December 2013 to February 2016, we allocated 84 elderly (age 71-97) high-risk patients who underwent preoperative transrectal ultrasound (TRUS) examination with glands over 80 ml and divided them into two groups to receive 120 W (n = 40) and 180 W (n = 44) PVP. All the patients have been observed at least one intraoperative comorbidity: hypertension, diabetes mellitus, NYHA II, or combined...
April 28, 2018: Lasers in Medical Science
Eli Slenders, Senne Seneca, Sumit Kumar Pramanik, Nick Smisdom, Peter Adriaensens, Martin vandeVen, Anitha Ethirajan, Marcel Ameloot
The lipid organization of microbubbles is important in many applications. By monitoring the photoselection and emission spectrum of the fluorescent probe Laurdan in perfluorobutane gas-filled DPPC microbubbles with a two-photon laser scanning microscope, we observed a transition to a more rigid lipid organization in 30 minutes to several hours.
April 26, 2018: Chemical Communications: Chem Comm
Steven A Kaplan
No abstract text is available yet for this article.
May 2018: Journal of Urology
T A Masters, R J Marsh, T S Blacker, D A Armoogum, B Larijani, A J Bain
In this work, we present a complete theoretical description of the excited state order created by two-photon photoselection from an isotropic ground state; this encompasses both the conventionally measured quadrupolar (K = 2) and the "hidden" degree of hexadecapolar (K = 4) transition dipole alignment, their dependence on the two-photon transition tensor and emission transition dipole moment orientation. Linearly and circularly polarized two-photon absorption (TPA) and time-resolved single- and two-photon fluorescence anisotropy measurements are used to determine the structure of the transition tensor in the deprotonated form of enhanced green fluorescent protein...
April 7, 2018: Journal of Chemical Physics
Maximilian Reimann, Nikita Fishman, Zenai Almedom, Isabel Lichy, John Buckendahl, Ursula Steiner, Frank Friedersdorff, Jonas Busch, Tom Florian Fuller, Kurt Miller, Stefan Hinz, Hannes Cash
PURPOSE: The study aimed to evaluate progression of GreenLight-XPS 180 W photoselective vaporization of the prostate (GL-XPS) with respect to effectiveness, efficacy, and safety over time at a tertiary referral high volume center. METHODS: The retrospective study included 375 men who underwent GL-XPS for symptomatic benign prostate obstruction (BPO) between June 2010 and February 2015. Primary outcome measurements were operation time (OT; min) and effective laser time (LT; min of OT) analyzed with regard to prostatic volume (PV; mL) (group 1 <40 mL up to 4 >80 mL in 20 mL steps) and the year of surgery (2010-2015)...
April 5, 2018: Urologia Internationalis
Khaled Ajib, Mila Mansour, Marc Zanaty, Mansour Alnazari, Pierre-Alain Hueber, Malek Meskawi, Roger Valdivieso, Come Tholomier, Benjamin Pradere, Vincent Misrai, Dean Elterman, Kevin C Zorn
INTRODUCTION: Transurethral resection of the prostate (TURP) is still considered the gold standard surgical treatment for symptomatic benign prostatic hyperplasia (BPH). However, photoselective vaporization of the prostate (PVP) has gained widespread global acceptance in national guidelines as a safe and effective alternative option. Nevertheless, further evidence is required to assess the durability of Greenlight PVP. Herein, we reported our five years PVP experience with the Greenlight 180W XPS laser system...
March 19, 2018: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
Priyanka Rai, Alok Srivastava, Ishwar R Dhayal, Sanjeet Singh
Objectives: To compare bipolar vaporization of prostate (BPVP) with photoselective vaporization (PVP) of prostate in the surgical management of benign prostatic hyperplasia in terms of safety, efficacy and cost effectiveness. Methods: Data was analyzed retrospectively for patients who underwent either PVP or BPVP between August 2012 to July 2014 for prostate size ≤ 80 ml. Preoperative and postoperative period values along with details like operative time, blood loss, hospitalization days, catheter removal time, blood transfusion and etc...
February 2018: Current Urology
Livio Mordasini, Marco Moschini, Agostino Mattei, Christophe Iselin
PURPOSE OF REVIEW: GreenLight photoselective vaporization (GL-PV) is now established in the treatment of benign prostatic enlargement. The present review outlines the available technical armamentarium and summarizes the current best evidence on functional and safety outcomes. Moreover, future technical developments and refinements are presented. RECENT FINDINGS: GL-PV has evolved to be the most commonly performed procedure, second to conventional transurethral resection of the prostate (TURP) for surgical management of benign prostatic obstruction (BPO)...
May 2018: Current Opinion in Urology
Kathrin Bausch, Jan Adam Roth, Hans Helge Seifert, Andreas F Widmer
OBJECTIVE: To evaluate the current antimicrobial prophylaxis practices for low-risk patients undergoing transurethral resection of the prostate (TURP) or photoselective vaporisation of the prostate (PVP) in comparison with the antimicrobial prophylaxis recommendations of the European Association of Urology (EAU), which have been shown to effectively reduce infectious complications and antimicrobial resistance rates. METHODS: In May 2017, we sent an anonymous online -survey to board-certified urologists in Germany, Austria and Switzerland, by use of the database directory of the respective urology associations...
February 23, 2018: Swiss Medical Weekly
Livio Mordasini, Carlo Di Bona, Jacques Klein, Agostino Mattei, Gregory J Wirth, Christophe E Iselin
OBJECTIVE: To assess long term functional and safety follow-up data after 80-W GreenLight photoselective vaporization (GL PV) of the prostate and transurethral resection of the prostate (TURP). MATERIALS AND METHODS: Prospective randomized trial at a single tertiary referral center (Geneva, Switzerland). Patients were recruited in the outpatient clinic if they met the criteria for surgical treatment of benign prostatic obstruction. At baseline, 238 patients were treated either with the 80-W GL PV or monopolar TURP...
February 12, 2018: Urology
Steven A Kaplan
No abstract text is available yet for this article.
February 2018: Journal of Urology
Ghislaine Vantomme, Shimei Jiang, Jean-Marie Lehn
No abstract text is available yet for this article.
January 24, 2018: Journal of the American Chemical Society
Sonia Marggi Poullain, David V Chicharro, Eduardo Navarro, Luis Rubio-Lago, Jesús González-Vázquez, Luis Bañares
The photodissociation dynamics of bromoiodomethane (CH2 BrI) have been investigated at the maximum of the first A and second A' absorption bands, at 266 and 210 nm excitation wavelengths, respectively, using velocity map and slice imaging techniques in combination with a probe detection of both iodine and bromine fragments, I(2 P3/2 ), I*(2 P1/2 ), Br(2 P3/2 ) and Br*(2 P1/2 ) via (2 + 1) resonance enhanced multiphoton ionization. Experimental results, i.e. translational energy and angular distributions, are reported and discussed in conjunction with high level ab initio calculations of potential energy curves and absorption spectra...
January 31, 2018: Physical Chemistry Chemical Physics: PCCP
Alper Eken, Bülent Soyupak
Objective To evaluate the safety and efficacy of the 180-W GreenLight XPS laser system for the treatment of benign prostatic hyperplasia in patients taking oral anticoagulants. Methods All consecutive patients admitted for lower urinary tract symptoms associated with benign prostatic hyperplasia from November 2012 to October 2016 and who underwent photoselective vaporization of the prostate with the 180-W GreenLight XPS laser were included in the study. The perioperative outcomes examined were the operating time, laser time, energy usage, and duration of postoperative catheterization...
March 2018: Journal of International Medical Research
C Lanchon, G Fiard, J-A Long, V Arnoux, D Carnicelli, Q Franquet, D Poncet, E Bey, J-B Lefrancq, S Grisard, N Peilleron, N Terrier, B Boillot, J-J Rambeaud, J-L Descotes, C Thuillier
INTRODUCTION: GreenLight photoselective vaporisation of the prostate (PVP) offers an endoscopic alternative to open prostatectomy (OP) for treatment of large adenomas. This study compares long-term functional outcome of both techniques in patients with Benign prostatic obstruction (BPO)>80g. MATERIAL AND METHOD: Data from patients who underwent surgical treatment for BPO>80g from January 2010 to February 2015 at our institution were retrospectively collected and compared according to surgical technique...
March 2018: Progrès en Urologie
Rajeev Sood, T Manasa, Hemant Goel, Ritesh Kumar Singh, Rajpal Singh, Nikhil Khattar, Praveen Pandey
Objective: To conduct a prospective randomised study comparing the safety, effectiveness and treatment outcomes in patients undergoing bipolar transurethral resection of the prostate (bTURP) and photoselective vaporisation of the prostate (PVP) under sedoanalgesia, as sedoanalgesia is a safe and effective technique suitable for minimally invasive endourological procedures and although studies have confirmed that both TURP and PVP are feasible under sedoanalgesia there are none comparing the two...
December 2017: Arab Journal of Urology
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