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Brain E, Geraghty RM, Tzelves L, Mourmouris P, Chatzikrachtis N, Karavitakis M, Skolarikos A, Somani BK. Does pre-stenting influence outcomes of shockwave lithotripsy? A systematic review and meta-analysis. BJU Int 2024; 134:22-30. [PMID: 37935590 DOI: 10.1111/bju.16219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
OBJECTIVE To determine whether preoperative use of JJ stents in patients undergoing shockwave lithotripsy (SWL) impacts on stone clearance and the rate of postoperative complications. PATIENTS AND METHODS We screened multiple databases from inception to January 2021, using the relevant search terms for SWL in patients with a preoperative stent. Inclusion criteria were randomised controlled trials of ≥20 patients aged >18 years who had had SWL with a JJ stent. This review has been registered in the International Prospective Register of Systematic Reviews (PROSPERO; registration number CRD42023443195). Statistical analysis was performed using 'meta' in R. RESULTS There were seven eligible studies (403 patients receiving JJ stents and 394 controls). There was no significant difference in the stone-free rate (SFR) following SWL with a JJ stent compared to SWL alone. When considering the complication rates, there was a significantly reduced risk of steinstrasse in patients with a JJ stent. However, there was no significant difference in the risk of other complications including pain, fever, and haematuria, and no significant difference in the likelihood of requiring auxiliary procedures or re-treatment. CONCLUSIONS There was a reduced risk of steinstrasse in patients undergoing SWL with a JJ stent compared to SWL alone. However, there was no significant difference in the risk of other postoperative complications. Use of a JJ stent had no effect on the efficacy of SWL, with no significant difference in the SFR.
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Affiliation(s)
- Eleanor Brain
- Newcastle Medical School, Newcastle University, Newcastle-upon-Tyne, UK
| | - Robert M Geraghty
- Department of Urology, Freeman Hospital, Newcastle-upon-Tyne, UK
- Institute of Genetic Medicine, Newcastle University, Newcastle-upon-Tyne, UK
| | - Lazaros Tzelves
- Department of Urology, Sismanogleio Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Panagiotis Mourmouris
- Department of Urology, Sismanogleio Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Chatzikrachtis
- Department of Urology, Sismanogleio Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Markos Karavitakis
- Department of Urology, Sismanogleio Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Andreas Skolarikos
- Department of Urology, Sismanogleio Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Bhaskar K Somani
- Department of Urology, University Hospital Southampton, Southampton, UK
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Talyshinskii A, Hameed BMZ, Naik N, Adhikari K, Zhanbyrbekuly U, Juliebø-Jones P, Somani BK. Being all-seeing gymnast within kidney cavity: analysis of the optical and flexibility characteristics trends of 61 flexible ureteroscopes over four decades. Urolithiasis 2024; 52:92. [PMID: 38884642 DOI: 10.1007/s00240-024-01591-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Accepted: 06/06/2024] [Indexed: 06/18/2024]
Abstract
The purpose of this review is to analyze the trend in optical features and flexibility changes of flexible ureteroscopes over the past decades, and determine the correlation of individual parameters with release period as well as with dimensional parameters. Flexible ureteroscopes mentioned in the literature or those commercially available were searched. To minimize the search bias, the instruments were grouped by release date time-periods of < 2000 year, 2000-2009, 2010-2019, and 2020 onwards. The final review included only those instrument models for which data on minimum and maximum depth of field, field of view, direction of view, and deflection degree had been determined. The correlation among features investigated as well as with release period was also determined. 61 models of flexible ureteroscopes (27 fibreoptic and 34 digital scopes) were included. Among the different features investigated among fiberoptic endoscopes, minimum depth of field positively and negatively correlated with channel size and field of view, respectively, whereas maximum depth of view and field of view positively correlated with overall shaft and deflection degree, respectively. Up and down deflection strongly correlated with each other and both were negatively proportional to the distal tip size. For the digital endoscopes, minimum depth of field negatively and positively correlated with distal tip size and working length, respectively. Maximum depth of field positively correlated with field of view, whereas the latter was negatively proportional to the overall shaft. As for the fiberoptic counterparts, up and down deflection strongly correlated with each other. Field of view, up and down deflection of fiberoptic flexible ureteroscopes, were significantly increased among fiberoptic and digital endoscopes over decades. As flexible ureteroscopy technology has evolved, there has been a trend towards increasing field of view with up and down deflection. Given the importance of scope ergonomics, one aspect of this popularity is the improvement of optical characteristics and deflection degree, which significantly correlates with the release period.
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Affiliation(s)
- Ali Talyshinskii
- Department of Urology, Astana Medical University, Astana, Kazakhstan
- Department of Urology and Andrology, Astana Medical University, Astana, Kazakhstan
| | - B M Zeeshan Hameed
- Department of Urology, Father Muller Medical College, Mangalore, Karnataka, India
| | - Nithesh Naik
- Department of Mechanical and Industrial Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Kinju Adhikari
- Department of Urology, HCG Cancer Centre of Bangalore, Bangalore, Karnataka, India
| | | | | | - Bhaskar Kumar Somani
- Department of Urology, University Hospital Southampton NHS Trust, Southampton, UK.
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3
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Ripa F, Enikeev D, Talyshinskii A, Juliebø-Jones P, Tzelves L, Kallidonis P, Somani B. Should endoscopic laser excision be offered as the first-line management for patients with eroded mesh? Outcomes of a systematic review of literature. Curr Opin Urol 2024; 34:135-144. [PMID: 37933676 DOI: 10.1097/mou.0000000000001146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Abstract
PURPOSE OF REVIEW Mesh erosions following previous synthetic sling/mesh surgery for stress urinary incontinence (SUI) have become increasingly common. This systematic review provides evidence for the role of laser excision as a first-line management in patients with eroded mesh. RECENT FINDINGS Fourteen articles (173 patients) were included for the final review. Among these, 138 patients (79.8%) were submitted to trans-urethral laser excision of eroded urethral/bladder mesh over a median time to presentation of 36.6 months. Over a median follow-up of 23.6 months, 88 (63.7%) reported a complete resolution, 32 (23.2%) reported persistence or recurrence of SUI and 17 (12.3%) presented with recurrent mesh erosion. The success rate after a single endoscopic procedure was 66.5, vs. 93.5% after additional endoscopic procedures, with only 9 (6.6%) requiring open surgical excision. Overall, there were seven (5.1%) postoperative complications including two urethrovaginal fistulas, two UTIs and haematuria each, and one case of urethral diverticulum. SUMMARY Laser excision of eroded mid-urethral slings into either the bladder or urethra is a challenging complication of minimally invasive incontinence surgery. Laser excision was able to achieve a good success rate with single or staged endoscopic procedure with a low risk of complication. It represents a valid first treatment option, although patients should be managed in mesh referral centres in collaboration with uro-gynaecology teams.
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Affiliation(s)
- Francesco Ripa
- Department of Urology, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Dmitry Enikeev
- Department of Urology, Medical University of Vienna, Vienna, Austria
- Urology Department, Rabin Medical Center, Petah Tikva, Israel
- Institute for Urology and Reproductive Health, Sechenov University, Moscow, Russia
| | - Ali Talyshinskii
- Department of Urology, Astana Medical University, Astana, Kazakhstan
| | - Patrick Juliebø-Jones
- Department of Urology Haukeland and Department of Clinical Medicine, University Hospital, Bergen, Norway
| | - Lazaros Tzelves
- Department of Urology, University College of London Hospital, London, UK
| | | | - Bhaskar Somani
- Department of Urology, University Hospital Southampton NHS Foundation Trust, Southampton, UK
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Talyshinskii A, Gauhar V, Castellani D, Knoll T, Shah K, Wan SP, Somani BK. Single use flexible ureteroscopes: a review of current technologies and cost effectiveness analysis. Curr Opin Urol 2024; 34:110-115. [PMID: 37962372 DOI: 10.1097/mou.0000000000001152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
PURPOSE OF REVIEW Flexible ureteroscopy (fURS) has evolved into both diagnostic and therapeutic modalities. Our review discusses the cost-effectiveness of single use flexible ureteroscopes (su-fURS) and the use of these instruments in routine urological practice. RECENT FINDINGS There are studies which support the use of su-fURS with an argument of both cost and clinical utility over reusable flexible ureteroscopes (ru-fURS). However, the cost may vary across countries, hence is difficult to compare the results based on the current literature. Perhaps therefore there is a role for hybrid strategy incorporating ru- and su-fURS, where su-fURS are employed in complex endourological cases with a high risk of scope damage or fracture to preserve ru-fURS, with the ability to maintain clinical activity in such an event. SUMMARY While there seems to be some cost advantages with su-fURS with reduced sterilization and maintenance costs, the data supporting it is sparse and limited. This choice of scope would depend on the durability of ru-fURS, procedural volumes, limited availability of sterilization units in some centers and potential risk of infectious complications. It is time that cost-benefit analysis is conducted with defined outcomes for a given healthcare set-up to help with the decision making on the type of scope that best serves their needs.
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Affiliation(s)
- Ali Talyshinskii
- Department of Urology and Andrology, Astana Medical University, Astana, Kazakhstan
| | - Vineet Gauhar
- Department of Urology, Ng Teng Fong General Hospital, Singapore, Singapore
| | - Daniele Castellani
- Urology Unit, Azienda Ospedaliero-Universitaria delle Marche, Polytechnic University of Marche, Ancona, Italy
| | - Thomas Knoll
- Department of Urology, Sindelfingen Medical Center, University of Tuebingen, Germany
| | - Kaushikkumar Shah
- Varun Kidney Hospital and Prasutigarh, Department of Urology, Surat, India
| | - Shaw P Wan
- Apex Urology and Stone Center, Castle Hayne, North Carolina, USA
| | - Bhaskar K Somani
- Department of Urology, University Hospital Southampton NHS Trust, Southampton, UK
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Ghorai RP, Kumar R. Reuse of Single-Use Devices in Endourology: A Review. J Endourol 2024; 38:68-76. [PMID: 37885229 DOI: 10.1089/end.2023.0367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2023] Open
Abstract
Introduction: Single-use medical devices (SUDs) are labeled for single use only, but rising health care costs along with the absence of visible deterioration in the quality of SUDs after one use have led to their reprocessing and reuse. In the past, SUDs mainly consisted of equipment such as guidewires and catheters. However, SUDs have now expanded to flexible endoscopes and energy devices that are much more expensive. Reuse of such devices raises concerns of infection transmission, safety, and lack of effectiveness. We reviewed the disinfection process, cost benefits, potential harms, and legal status of the reuse of SUDs in endourology. Materials and Methods: PUBMED, Embase, and the Cochrane Library databases were searched for articles published between 1970 and March 2023 that reported the reuse of SUDs using the search terms "reuse"; "single-use device"; "disposable medical devices"; "reprocessing of single-use device"; "endourology"; and keywords related to cost, safety, sterilization, and legal status. Online resources were found using Google search engines. Articles on cost savings, device malfunction, disinfection, or legal status in different countries were reviewed. Results and Conclusions: Reusing SUDs has financial, environmental, and practical advantages. The potential savings on medical expenses is the most compelling argument for reprocessing disposable devices. Reusing medical equipment also contributes to the reduction of toxic biodegradable waste. However, there is a scarcity of data on the safety and efficacy of reused SUDs. For patient safety and to avoid complications, the practice must be regulated with established reprocessing standards.
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Affiliation(s)
- Rudra Prasad Ghorai
- Department of Urology, All India Institute of Medical Sciences, New Delhi, India
| | - Rajeev Kumar
- Department of Urology, All India Institute of Medical Sciences, New Delhi, India
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Somani B. Minimally Invasive Urological Procedures and Related Technological Developments-Series 2. J Clin Med 2023; 12:jcm12082879. [PMID: 37109216 PMCID: PMC10145985 DOI: 10.3390/jcm12082879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023] Open
Abstract
The world of minimally invasive urology has experienced enormous growth in recent decades with technological innovations related to new techniques and equipment, better training, and the clinical adoption of translational research [...].
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Affiliation(s)
- Bhaskar Somani
- Department of Urology, University Hospital Southampton NHS Foundation Trust, Southampton SO166YD, UK
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7
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Chua ME, Bobrowski A, Ahmad I, Kim JK, Silangcruz JM, Rickard M, Lorenzo A, Lee JY. Thulium fibre laser vs holmium: yttrium-aluminium-garnet laser lithotripsy for urolithiasis: meta-analysis of clinical studies. BJU Int 2023; 131:383-394. [PMID: 36260370 DOI: 10.1111/bju.15921] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To compare and assess the clinical outcomes between thulium fibre laser (TFL) and holmium: yttrium-aluminium-garnet (Ho:YAG) laser endoscopic lithotripsy of urolithiasis through a meta-analysis of comparative clinical studies. METHODS A systematic literature search was performed in May 2022, grey literature search in July 2022. Comparative clinical studies were evaluated according to Cochrane recommendations. Assessed outcomes include the stone-free rate (SFR), complication rate, operative time (OT), laser utilisation time (LUT), ablation rate (stone volume/laser time), ablation efficiency (energy use/stone volume), total energy usage, degree of retropulsion, and hospital stay. Risk ratios (RRs) and standardised mean differences (SMDs) were extrapolated. Subgroup analyses, heterogeneity, publication bias, and Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) assessment were performed. International Prospective Register of Systematic Reviews (PROSPERO) registration: CRD42022300788. RESULTS A total of 15 studies with 1698 cases were included in this review. The outcome of SFR showed no significant between-group difference (RR 1.09, 95% confidence interval [CI] 0.99-1.20). However, subgroup analysis of TFL vs Ho:YAG with no pulse modulation showed a SFR favouring TFL (RR 1.11, 95% CI 1.01-1.23). The composite postoperative complication rate was comparable between the two intervention groups (RR 0.97, 95% CI 0.66-1.43). OT, LUT and ablation rate were significantly better for TFL than Ho:YAG (SMD -1.19, 95% CI -1.85 to -0.52; SMD -1.67, 95% CI -2.62 to -0.72; SMD 0.59, 95% CI 0.15-1.03; respectively). The degree of retropulsion was significantly lower for TFL than Ho:YAG without pulse modulation (SMD -1.23, 95% CI -1.74 to -0.71). Ablation efficiency, total energy usage, and hospital stay were all comparable. Based on GRADE criteria, the evidence certainty was determined to be very low. CONCLUSION Overall, there was no between-group difference for the SFR. However, compared to Ho:YAG with no pulse modulation, TFL rendered a better SFR. Shorter OT and LUT, a lesser degree of retropulsion, and a better ablation rate were noted in favour of the TFL. There was no overall between-group difference for composite postoperative complication rate, ablation efficiency, total energy usage, and hospital stay. Currently, the available clinical evidence was assessed to be of very low certainty.
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Affiliation(s)
- Michael E Chua
- Global Surgery Department, University of Toronto, Toronto, ON, Canada
- Division of Urology, The Hospital for Sick Children, Toronto, ON, Canada
- Institute of Urology, St. Luke's Medical Center, Quezon City, Philippines
| | - Adam Bobrowski
- Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Ihtisham Ahmad
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Jin Kyu Kim
- Department of Surgery, University of Toronto, Toronto, ON, Canada
| | | | - Mandy Rickard
- Division of Urology, The Hospital for Sick Children, Toronto, ON, Canada
| | - Armando Lorenzo
- Division of Urology, The Hospital for Sick Children, Toronto, ON, Canada
- Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Jason Y Lee
- Department of Surgery, University of Toronto, Toronto, ON, Canada
- Division of Urology, University Health Network, Toronto, ON, Canada
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8
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Tzelves L, Geraghty RM, Hughes T, Juliebø-Jones P, Somani BK. Innovations in Kidney Stone Removal. Res Rep Urol 2023; 15:131-139. [PMID: 37069942 PMCID: PMC10105588 DOI: 10.2147/rru.s386844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 04/05/2023] [Indexed: 04/19/2023] Open
Abstract
Urolithiasis is a common clinical condition, and surgical treatment is performed with different minimally invasive procedures, such as ureteroscopy, shockwave lithotripsy and percutaneous nephrolithotomy. Although the transition from open surgery to endourological procedures to treat this condition has been a paradigm shift, ongoing technological advancements have permitted further improvement of clinical outcomes with the development of modern equipment. Such innovations in kidney stone removal are new lasers, modern ureteroscopes, development of applications and training systems utilizing three-dimensional models, artificial intelligence and virtual reality, implementation of robotic systems, sheaths connected to vacuum devices and new types of lithotripters. Innovations in kidney stone removal have led to an exciting new era of endourological options for patients and clinicians alike.
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Affiliation(s)
- Lazaros Tzelves
- Department of Urology, Sismanogleio Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Thomas Hughes
- Department of Urology, Warwick Hospital, Warwick, UK
| | | | - Bhaskar K Somani
- Department of Urology, University Hospital Southampton, Southampton, UK
- Correspondence: Bhaskar K Somani, Department of Urology, University Hospital Southampton NHS Trust, 19 Tremona Road, Southampton, SO535DS, UK, Tel +44-2381206873, Email
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Keller EX, Kronenberg P, Tailly T, Corrales M, Juliebø-Jones P, Pietropaolo A, Somani B, De Coninck V. Laser accessories: surgical fibers, strippers, cleavers, and protective glasses. Curr Opin Urol 2022; 32:330-338. [PMID: 35256579 DOI: 10.1097/mou.0000000000000977] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW This review provides most recent findings and developments relating to surgical laser fibers, strippers, cleavers, and protective glasses. RECENT FINDINGS The smallest core diameter that can be used with Holmium:YAG lasers is 200 μm. Smaller core diameter fibers can be used with the Thulium fiber laser and offer better flexibility and lower risk of fracture, at the risk of greater burnback effect. Misleading discrepancies between the true diameter of laser fibers and their packaging labels must be considered. Fiber tip degradation from the burnback occurs within few minutes, thus questioning the need for time-consuming fiber tip reprocessing with fiber strippers and special cleaving tools. This shortcoming also applies to instrument-protecting ball-tip fibers. Cleavage of fiber tips through their protective jackets ('coated tips') is a cheaper alternative for instrument protection, additionally offering better visual control of the fiber tip. Third-generation side-firing greenlight laser fibers are still prone to rapid deterioration. Laser eyewear does not seem necessary for Holmium:YAG applications, whereas laser-specific protective glasses should be worn for greenlight laser applications. SUMMARY With better understanding of laser accessories, practicing urologists may tailor their practice to reach optimal efficacy and safety for Holmium:YAG, Thulium fiber laser and Greenlight laser applications.
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Affiliation(s)
- Etienne Xavier Keller
- Department of Urology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
- Progressive Endourological Association for Research and Leading Solutions (PEARLS), Paris, France
- Young Academic Urologists (YAU), Urolithiasis & Endourology Working Party, Arnhem, The Netherlands
| | - Peter Kronenberg
- Department of Urology, Hospital CUF Descobertas, Lisbon, Portugal
- Progress in Endourology, Technology and Research Association (PETRA), Paris, France
| | - Thomas Tailly
- Young Academic Urologists (YAU), Urolithiasis & Endourology Working Party, Arnhem, The Netherlands
- Department of Urology, University Hospital Ghent, Ghent, Belgium
| | - Mariela Corrales
- Progressive Endourological Association for Research and Leading Solutions (PEARLS), Paris, France
- Sorbonne Université, Service d'Urologie, AP-HP, Hôpital Tenon, Paris, France
| | - Patrick Juliebø-Jones
- Young Academic Urologists (YAU), Urolithiasis & Endourology Working Party, Arnhem, The Netherlands
- Department of Urology, University Hospital Southampton, Southampton, UK
| | - Amelia Pietropaolo
- Young Academic Urologists (YAU), Urolithiasis & Endourology Working Party, Arnhem, The Netherlands
- Department of Urology, University Hospital Southampton, Southampton, UK
| | - Bhaskar Somani
- Progress in Endourology, Technology and Research Association (PETRA), Paris, France
- Department of Urology, University Hospital Southampton, Southampton, UK
| | - Vincent De Coninck
- Progressive Endourological Association for Research and Leading Solutions (PEARLS), Paris, France
- Young Academic Urologists (YAU), Urolithiasis & Endourology Working Party, Arnhem, The Netherlands
- Department of Urology, AZ Klina, Brasschaat, Belgium
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10
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Ng Chieng Hin J, Hettiarachchilage D, Gravestock P, Rai B, Somani BK, Veeratterapillay R. Role of Ureteroscopy in Treatment of Upper Tract Urothelial Carcinoma. Curr Urol Rep 2021; 22:49. [PMID: 34622345 PMCID: PMC8497313 DOI: 10.1007/s11934-021-01065-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/15/2021] [Indexed: 12/25/2022]
Abstract
Purpose of Review Upper tract urothelial carcinoma (UTUC) is uncommon accounting for less than 10% of all urothelial tumours. Ureteroscopic management (URS) is the first line treatment for low-risk disease and has been increasingly utilised due to technological advances and increasing surgical experience. This review looks at patient outcomes relating to URS, emerging technologies and the role of adjuvant intracavitary therapy in the management of UTUC. Recent Findings URS has firmly established itself in the management algorithm for UTUC, and a good body of evidence supports its use for low-risk disease, wherein oncological outcomes are comparable to traditional nephroureterectomy (RNU). Larger tumours can now be managed using URS with a lower morbidity than radical surgery, though with higher associated local recurrence rate and risk of progression to RNU, and as a result, patient selection and close surveillance remains key. There is limited evidence for adjuvant intracavitary therapy (Mitomycin C or BCG) in UTUC although the development of novel polymers and biodegradable stents may improve drug delivery to the upper urinary tract. Summary URS has a clearly defined role in low-risk UTUC, and its use in larger tumours appears to be appropriate in a selected cohort of patients. The efficacy of adjuvant intracavitary therapy is as of yet undetermined, though developments in delivery techniques are promising. Likewise further developments of laser technology are anticipated to further expand the role of URS. Supplementary Information The online version contains supplementary material available at 10.1007/s11934-021-01065-7.
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Affiliation(s)
| | | | | | - Bhavan Rai
- Department of Urology, Freeman Hospital, Newcastle, UK
| | - Bhaskar K Somani
- Department of Urology, University Hospital Southamptom, Southamptom, UK.
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11
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Valadon C, Abedali ZA, Nottingham CU, Large T, Krambeck AE. Comparison of cost-effectiveness and postoperative outcomes following integration of a stiff shaft glidewire into percutaneous nephrolithotripsy. Ther Adv Urol 2021; 13:17562872211022306. [PMID: 34457040 PMCID: PMC8385576 DOI: 10.1177/17562872211022306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 01/05/2021] [Indexed: 11/18/2022] Open
Abstract
Aims: To analyze the cost effectiveness of integrating a stiff shaft glidewire (SSGW) in percutaneous nephrolithotripsy (PCNL) relative to standard technique (ST). This is prudent because healthcare providers are experiencing increased pressure to improve procedure-related cost containment. Methods: ST for PCNL at our institution involves a hydrophilic glidewire during initial percutaneous access and then two new stiff shaft wires. The SSGW is a hydrophilic wire used for initial access and the remainder of the procedure. We collected operating room (OR) costs for all primary, unilateral PCNL cases over a 5-month period during which ST for PCNL was used at a single institution with a single surgeon and compared with a 6-month period during which a SSGW was used. Mean costs for each period were then compared along with stone-free rates and complications. Results: We included 17 total cases in the ST group and 22 in the SSGW group. The average operating room supply cost for the ST group was $1937.32 and $1559.39 in the SSGW group. The net difference of $377.93 represents a nearly 20% decrease in cost. This difference was statistically significant (p = 0.031). There was no difference in postoperative stone-free rates (82.4% versus 86.4%, p = 1.0, respectively) or complications (23.5% versus 13.6%, p = 0.677, respectively) between ST and SSGW groups. Conclusion: Transitioning to a SSGW has reduced OR supply cost by reducing the number of supplies required. The change in wire did not affect stone-free rates or complications.
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Affiliation(s)
- Crystal Valadon
- Department of Urology, Indiana University/IU Health Physicians, Indianapolis, IN, USA
| | - Zain A Abedali
- Department of Urology, Indiana University/IU Health Physicians, Indianapolis, IN, USA
| | - Charles U Nottingham
- Department of Urology, Indiana University/IU Health Physicians, Indianapolis, IN, USA
| | - Tim Large
- Department of Urology, Indiana University/IU Health Physicians, Indianapolis, IN, USA
| | - Amy E Krambeck
- Department of Urology, Indiana University/IU Health Physicians, Suite 220, 1801 Senate Blvd, Indianapolis, IN 46202, USA
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12
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Rice P, Somani BK. A Systematic Review of Thulium Fiber Laser: Applications and Advantages of Laser Technology in the Field of Urology. Res Rep Urol 2021; 13:519-527. [PMID: 34327179 PMCID: PMC8314925 DOI: 10.2147/rru.s233979] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 07/02/2021] [Indexed: 12/11/2022] Open
Abstract
Laser technology is widely used in urological surgery, from lithotripsy, prostate surgery to en-bloc resection of tumours. While Holmium:YAG has been widely employed over the last two decades, in recent years, there has been a surge of interest in Thulium Fiber Laser (TFL), which offers theoretical advantages of better water absorption and lower stone ablation thresholds. A systematic review was conducted to assess the evidence from clinical research on TFL's application for lithotripsy and prostate surgery. It identified 357 articles and 8 (1506 patients) were selected, of which 4 clinical studies each investigated TFL enucleation of prostate (ThuFLEP) and TFL lithotripsy. For flexible ureteroscopic lithotripsy (FURSL), stone ablation settings ranged from 0.1-4 J, and 7-300 Hz, mean operative time ranged from 23.4-39.8 minutes and lasing time ranged from 1.2-10 minutes. For stone dusting in percutaneous nephrolithotomy (PCNL), settings of 0.2 J and 125-200 Hz were found to be optimal. For ThuFLEP, all studies showed a significant improvement in IPSS (International Prostate Symptom Score), urinary flow rate (Qmax), quality of life measures, and post-void residual volume, with mean operative time ranging from 67-104.5 minutes. Our review shows that there is limited evidence on the use and clinical outcomes of TFL. ThuFLEP might suggest equivalence to the widely used HoLEP in the available evidence so far. TFL lithotripsy shows promising results but further prospective, randomized trials are required to properly assess its usability, clinical effectiveness and standardisation of the settings for successful adoption of the technology.
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Affiliation(s)
- Patrick Rice
- Department of Urology, University Hospital Southampton NHS Trust, Southampton, UK
| | - Bhaskar K Somani
- Department of Urology, University Hospital Southampton NHS Trust, Southampton, UK
- Manipal Academy of Higher Education, Manipal, India
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Outcomes of Ureteroscopy and Laser Stone Fragmentation (URSL) for Kidney Stone Disease (KSD): Comparative Cohort Study Using MOSES Technology 60 W Laser System versus Regular Holmium 20 W Laser. J Clin Med 2021; 10:jcm10132742. [PMID: 34206298 PMCID: PMC8268749 DOI: 10.3390/jcm10132742] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/11/2021] [Accepted: 06/15/2021] [Indexed: 12/18/2022] Open
Abstract
Background: For ureteroscopy and laser stone fragmentation (URSL), the use of laser technology has shifted from low power to higher power lasers and the addition of Moses technology, that allows for ‘fragmentation, dusting and pop-dusting’ of stones. We wanted to compare the outcomes of URSL for Moses technology 60 W laser system versus matched regular Holmium 20 W laser cases. Methods: Prospective data were collected for patients who underwent URSL using a Moses 60 W laser (Group A) and matched to historical control data using a regular Holmium 20 W laser (Group B), performed by a single surgeon. Data were collected for patient demographics, stone location, size, pre- and post-operative stent, operative time, length of stay, complications and stone free rate (SFR). Results: A total of 38 patients in each group underwent the URSL procedure. The stones were matched for their location (17 renal and 11 ureteric stones). The mean single and cumulative stone sizes (mm) were 10.9 ± 4.4 and 15.5 ± 9.9, and 11.8 ± 4.0 and 16.5 ± 11.3 for groups A and B, respectively. The mean operative time (min) was 51.6 ± 17.1 and 82.1 ± 27.0 (p ≤ 0.0001) for groups A and B. The initial SFR was 97.3% and 81.6% for groups A and B, respectively (p = 0.05), with 1 and 7 patients in each group needing a second procedure (p = 0.05), for a final SFR of 100% and 97.3%. While there were 2 and 5 Clavien I/II complications for groups A and B, none of the patients in group A had any infection related complication. Conclusions: Use of Moses technology with higher power was significantly faster for stone lithotripsy and reduced operative time and the number of patients who needed a second procedure to achieve a stone free status. It seems that the use of Moses technology with a mid-power laser is likely to set a new benchmark for treating complex stones, without the need for secondary procedures in most patients.
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Tzelves L, Somani B, Berdempes M, Markopoulos T, Skolarikos A. Basic and advanced technological evolution of laser lithotripsy over the past decade: An educational review by the European Society of Urotechnology Section of the European Association of Urology. Turk J Urol 2021; 47:183-192. [PMID: 35929871 PMCID: PMC8260082 DOI: 10.5152/tud.2021.21030] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 04/09/2021] [Indexed: 03/19/2024]
Abstract
Laser disintegration of urinary stones is a cornerstone of urolithiasis treatment in the modern era. Despite the wide clinical use of stone lasers, basic and advanced technological achievements and developments are difficult to comprehend and interpret by the average urologist. A descriptive analysis of laser production and stone disintegration mechanisms was performed. We focused on physics of modern types of lithotripters, the construction of laser fibers, laser parameters, new modes, settings, and lithotripsy techniques. The main principle of laser emission remains the same since the first emitting laser was produced. Peak power density and short interaction time lead to photothermal effects responsible for stone disintegration. Modern lithotripters such as Holmium: YAG (low/high power, Moses technology) and thulium fiber laser show basic construction differences with the physical properties of the latter being superior, at least in in vitro studies. By adjusting lasing parameters, a wide spectrum of stone ablation from fragmentation to dusting can be achieved. New technology allows for the production of real dust. Knowledge of laser fiber construction and physical properties are useful in marketing and clinical use. Urologists should understand the physical and physiological background of the lasers used in their everyday practice for stone fragmentation.
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Affiliation(s)
- Lazaros Tzelves
- 2 Department of Urology, National and Kapodistrian University of Athens, Sismanogleio Hospital, Athens, Greece
| | - Bhaskar Somani
- University Hospital, Southampton NHS foundation Trust, Southampton, UK
| | - Marinos Berdempes
- 2 Department of Urology, National and Kapodistrian University of Athens, Sismanogleio Hospital, Athens, Greece
| | - Titos Markopoulos
- 2 Department of Urology, National and Kapodistrian University of Athens, Sismanogleio Hospital, Athens, Greece
| | - Andreas Skolarikos
- 2 Department of Urology, National and Kapodistrian University of Athens, Sismanogleio Hospital, Athens, Greece
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15
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Günseren KÖ, Çiçek MÇ, Kiliçarslan H, Demir A. The Survival of Flexible Ureterorenoscopes in Terms of the Total Stone Area and Total Usage Time. J Endourol 2020; 34:567-572. [DOI: 10.1089/end.2019.0761] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Kadir Ömür Günseren
- Department of Urology, Faculty of Medicine, Uludağ University, Bursa, Turkey
| | | | - Hakan Kiliçarslan
- Department of Urology, Faculty of Medicine, Uludağ University, Bursa, Turkey
| | - Aslan Demir
- Department of Urology, Faculty of Medicine, Bezmialem Vakıf University, İstanbul, Turkey
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Alsyouf M, Hur D, Stokes P, Groegler J, Amasyali A, Li A, Thomas S, Hajiha M, Shah M, Baldwin DD. The Impact of Patient, Procedural, and Staffing Factors Upon Ureteroscopy Cost. J Endourol 2020; 34:746-751. [PMID: 31964178 DOI: 10.1089/end.2019.0709] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Introduction: The purpose of this study was to evaluate factors during ureteroscopy that can potentially impact procedure cost. Materials and Methods: A retrospective review of 129 consecutive elective ureteroscopy cases was performed to determine direct procedure cost. Direct cost was defined as cost incurred because of operating room expenses, including operating room time, staffing expenses, equipment, and supply costs. Data regarding patient, procedural, and operating room staffing characteristics were compared between the most and least expensive cases. Univariate and logistic regression analysis were performed to identify factors predictive of higher costs. Results: The average direct ureteroscopy cost was $3298/case. On univariate analysis, ureteroscopies in the highest 50th cost percentile had larger stone burden (170.1 vs 146 mm2; p = 0.03) and longer operative times (95.3 vs 49.9 minutes; p < 0.01), were more likely performed for non-stone indications (21.4% vs 7.2%; p = 0.03), more likely to include a resident (65.5% vs 43.6%; p = 0.02), and less likely to have a dedicated urology scrub technician (38.2% vs 61.8%; p = 0.01) compared to cases in the lowest 50th percentile. The presence of a resident, larger stone burden, absence of a dedicated scrub technician, and longer operative time were associated with an average cost increase of $516, $700, $1122, and $1401, respectively. Logistic regression analysis showed that operating room time was the only factor predicting higher cost (OR [odds ratio] 12.8, 95% confidence interval [CI] 2.0-84.0). A post-hoc logistic regression analysis demonstrated that the presence of a resident during ureteroscopy (OR 2.9, 95% CI 1.1-8.0) and larger stone burden (OR 1.01, 95% CI 1.0-1.013) were significantly associated with longer operative times. Conclusion: Operating room time is the primary determinant of ureteroscopy case cost. All efforts should be made to decrease operative time, although balancing patient safety and maintaining a quality training environment.
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Affiliation(s)
- Muhannad Alsyouf
- Department of Urology, Loma Linda University Health, Loma Linda, California, USA
| | - Dawn Hur
- Department of Urology, Loma Linda University Health, Loma Linda, California, USA
| | - Phillip Stokes
- Department of Urology, Loma Linda University Health, Loma Linda, California, USA
| | - Jason Groegler
- Department of Urology, Loma Linda University Health, Loma Linda, California, USA
| | - Akin Amasyali
- Department of Urology, Loma Linda University Health, Loma Linda, California, USA
| | - Ashley Li
- Department of Urology, Loma Linda University Health, Loma Linda, California, USA
| | - Seth Thomas
- Department of Urology, Loma Linda University Health, Loma Linda, California, USA
| | - Mohammad Hajiha
- Department of Urology, Loma Linda University Health, Loma Linda, California, USA
| | - Milan Shah
- Department of Urology, Loma Linda University Health, Loma Linda, California, USA
| | - D Duane Baldwin
- Department of Urology, Loma Linda University Health, Loma Linda, California, USA
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17
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The European Urology Residents Education Programme Hands-on Training Format: 4 Years of Hands-on Training Improvements from the European School of Urology. Eur Urol Focus 2019; 5:1152-1156. [DOI: 10.1016/j.euf.2018.03.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 02/22/2018] [Accepted: 03/05/2018] [Indexed: 12/19/2022]
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18
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Ozimek T, Cordes J, Gilbert N, Hupe MC, Wiessmeyer JR, Schneider MH, Merseburger AS, Kramer MW. Laser fibre, rather than the stone, may harm the scope: retrospective monocentric analysis of 26 pre- and intraoperative factors of flexible ureteroscope (fURS) damage. World J Urol 2019; 38:2035-2040. [PMID: 31659464 DOI: 10.1007/s00345-019-02988-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 10/13/2019] [Indexed: 11/30/2022] Open
Abstract
PURPOSE The increasing number of flexible ureteroscopy procedures, the fragility of devices and their repair costs are a burden for urological departments worldwide. The objective was to investigate the impact of 26 pre- and intraoperative factors on reusable flexible ureteroscope (fURS) damage. METHODS All procedures were conducted with reusable fURS: Karl Storz Flex-X2 or Olympus URF-V. Statistical analysis was performed in RStudio (1.0.136) with Chi-square test and Mann-Whitney U tests (MWU). RESULTS In total, 416 flexible ureteroscopies, performed between September 2013 and June 2017, were analysed. 283 (68.03%) of these were for kidney stone surgery, and 133 (31.97%) for diagnostic purposes. In total, 39 (9.38%) devices were postoperatively deemed defective. The application of reusable laser fibre through fURS was more common in cases with documented defects [17/39 (43.59%) vs. 102/377 (27.06%), p = 0.047]. Other factors such as application of nitinol basket, biopsy via fURS, insertion of access sheath (UAS), as well as stone burden [median kidney stone maximal diameter: 6 mm (min 2.0; max 30.0) vs. 6 mm (min 1.0 vs. max 30.0)] showed no influence on fURS damage rate (p > 0.05). The infundibulopelvic angle (IPA) was steeper in cases with fURS damage as compared to cases without damage [median 44.0° (min 20.0; max 81.0) vs. 55.0 (min 7.0; max 122.0), p < 0.001]. CONCLUSIONS Application of laser fibre via fURS can be considered as a risk factor of fURS damage. Stone burden, as well as the usage of not-sharp ended devices as nitinol baskets or forceps, is primarily not responsible for fURS damage.
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Affiliation(s)
- Tomasz Ozimek
- Department of Urology, University Hospital Schleswig-Holstein, Campus Luebeck, Ratzeburger Allee 160, 23538, Lübeck, Germany
| | - Jens Cordes
- Department of Urology, University Hospital Schleswig-Holstein, Campus Luebeck, Ratzeburger Allee 160, 23538, Lübeck, Germany
| | - Nils Gilbert
- Department of Urology, University Hospital Schleswig-Holstein, Campus Luebeck, Ratzeburger Allee 160, 23538, Lübeck, Germany
| | - Marie C Hupe
- Department of Urology, University Hospital Schleswig-Holstein, Campus Luebeck, Ratzeburger Allee 160, 23538, Lübeck, Germany
| | - Judith R Wiessmeyer
- Department of Urology, University Hospital Schleswig-Holstein, Campus Luebeck, Ratzeburger Allee 160, 23538, Lübeck, Germany
| | - Michael H Schneider
- Department of Urology, University Hospital Schleswig-Holstein, Campus Luebeck, Ratzeburger Allee 160, 23538, Lübeck, Germany
| | - Axel S Merseburger
- Department of Urology, University Hospital Schleswig-Holstein, Campus Luebeck, Ratzeburger Allee 160, 23538, Lübeck, Germany
| | - Mario Wolfgang Kramer
- Department of Urology, University Hospital Schleswig-Holstein, Campus Luebeck, Ratzeburger Allee 160, 23538, Lübeck, Germany.
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Somani BK, Talso M, Bres-Niewada E. Current role of single-use flexible ureteroscopes in the management of upper tract stone disease. Cent European J Urol 2019; 72:183-184. [PMID: 31482027 PMCID: PMC6715087 DOI: 10.5173/ceju.2019.1937] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 04/28/2019] [Accepted: 05/04/2019] [Indexed: 11/22/2022] Open
Affiliation(s)
- Bhaskar K Somani
- Department of Urology, University Hospital Southampton NHS Trust, Southampton, United Kingdom.,University Hospital Southampton NHS Trust, Southampton, United Kingdom
| | - Michele Talso
- Urological Department, ASST Vimercate Hospital, Monza Brianza, Italy
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20
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Talso M, Goumas IK, Kamphuis GM, Dragos L, Tefik T, Traxer O, Somani BK. Reusable flexible ureterorenoscopes are more cost-effective than single-use scopes: results of a systematic review from PETRA Uro-group. Transl Androl Urol 2019; 8:S418-S425. [PMID: 31656747 DOI: 10.21037/tau.2019.06.13] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Clinical data suggest an equipoise between single-use (disposable) and reusable flexible ureterorenoscope (fURS) in terms of scope characteristics, manipulation, view and clinical outcomes. The procedural cost of reusable fURS is dependent on the initial and repair cost, maintenance and scope sterilization and on the number of procedures performed/repair. We conducted a systematic review on the procedural cost ($) of fURS based on the individual authors reported data on the number of procedures performed before repair and to see if it is a feasible option compared to single use fURS. A systematic review carried out in a Cochrane style and in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) checklist using Medline, Scopus, CINAHL, EMBASE and Cochrane library for all English language articles. All papers on fURS cost analysis were searched from 2000-2018 (19 years), which mentioned the cost of fURS based on the number of procedures performed and the repairs needed (procedure/repair) as reported by the individual authors. Six studies reported on both the number of procedures performed with number of repairs needed and the cost calculated/procedure in the given time period. The number of uses/repair in various studies varied between 8-29 procedures and the cost per procedure varied between $120-1,212/procedure. A significant trend was observed between the decreasing cost of repair with the number of usages. With studies reporting on a minimum of 20 cases/repair the mean cost was around $200/procedure. This is contrast to the disposable scopes such as Lithovue ($1,500-2,000/usage) and Pusen ($700/usage). The cost of reusable fURS is low in centres performing a high volume of procedures. Similarly, when a reasonable volume of procedures is performed before scope repair, the cost is lower than the disposable scopes. Although, the disposable and reusable scopes seem to be comparable in terms of their performance, this review proves that reusable fURS are still more cost effective than disposable scopes.
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Affiliation(s)
- Michele Talso
- Urology Department, Azienda Socio-Sanitaria Territoriale-(ASST) Vimercate Hospital, Vimercate, Italy
| | - Ioannis K Goumas
- Urology Department, Azienda Socio-Sanitaria Territoriale-(ASST) Vimercate Hospital, Vimercate, Italy
| | - Guido M Kamphuis
- Department of Urology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Laurian Dragos
- Department of Urology, Victor Babeş University of Medicine and Pharmacy, Timisoara, Romania
| | - Tzevat Tefik
- Department of Urology, Istanbul University Faculty of Medicine, Istanbul, Turkey
| | - Olivier Traxer
- Department of Urology, Hôpital Tenon AP-HP, Sorbonne Université, Paris, France
| | - Bhaskar K Somani
- Department of Urology, University Hospital Southampton NHS Trust, Southampton, UK
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21
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Hosny K, Clark J, Srirangam SJ. Handling and protecting your flexible ureteroscope: how to maximise scope usage. Transl Androl Urol 2019; 8:S426-S435. [PMID: 31656748 DOI: 10.21037/tau.2019.07.08] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Flexible ureteroscopy is an important therapeutic and diagnostic procedure and has seen rapid rise in its utilisation in recent years. There have been numerous developments in flexible ureteroscope (fURS) technology but scope fragility, and the associated high maintenance costs, remains a concern. A comprehensive Medline search for related publications from the last 20 years was undertaken to identify common causes of fURS damage and ascertain practices to minimise this. Flexible ureteroscopy can be due to intraoperative causes (loss of the deflection mechanism, damage to the working channel due and fibreoptic bundle injury) and non-operative damage which occur during cleaning, sterilisation and handling of the fURS. The review summarises the available literature to help highlight common mechanisms of scope damage, and outlines evidence-based measures to reduce the risk of damage and maximise durability. Scope fragility remains a problem with significant associated cost implications. In a culture of rising fURS use and reducing re-imbursement for endourologists, prolonging the longevity of the fURS is imperative for maintaining profitability. There are simple and inexpensive practices which can be immediately adopted to maximise fURS use and reduce the need for repairs.
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Affiliation(s)
- Khaled Hosny
- Department of Urology, Royal Blackburn Teaching Hospital, East Lancashire Hospitals NHS Trust, Blackburn BB2 3HH, UK
| | - Jennifer Clark
- Department of Urology, Royal Blackburn Teaching Hospital, East Lancashire Hospitals NHS Trust, Blackburn BB2 3HH, UK
| | - Shalom J Srirangam
- Department of Urology, Royal Blackburn Teaching Hospital, East Lancashire Hospitals NHS Trust, Blackburn BB2 3HH, UK
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22
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Bouthors C, Nguyen J, Durand L, Dubory A, Raspaud S, Court C. Single-use versus reusable medical devices in spinal fusion surgery: a hospital micro-costing analysis. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2019; 29:1631-1637. [PMID: 31350650 DOI: 10.1007/s00590-019-02517-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Accepted: 07/22/2019] [Indexed: 10/26/2022]
Abstract
PURPOSE Healthcare facilities could minimize the cost of surgical instrument and implant processing by using single-use devices. The main objective was to prospectively compare the total cost of a single-use and reusable device used in short lumbar spine fusion. METHODS A 1-year, single-centre, prospective study was performed on patients requiring a one- or two-level lumbar arthrodesis. Patients were randomized in two groups treated with either reusable or single-use device. A cost minimization analysis was performed using a micro-costing approach from a hospital perspective. Every step of the preparation process was timed and costed based on hourly wages of hospital employees, cleaning supplies and hospital waste costs. RESULTS Forty cases were evaluated. No significant difference in operation time was noted (reusable 176.1 ± 68.4 min; single use 190.4 ± 71.7 min; p = 0.569). Mean processing time for single-use devices was lower than for reusable devices (33 min vs. 176 min) representing a cost of 14€ versus 58€ (p < 0.05). Pre-/post-sterilization and spinal set recomposing steps were the most time-consuming in reusable device group. A total cost saving of 181€ per intervention resulted from the use and processing of the single-use device considering an additional sterilization cost of 137€ with the reusable device. The weight of the reusable device was 42 kg for three containers and 1.2 kg for the single-use device. CONCLUSIONS Owing to the absence of re-sterilization, single-use devices in one- and two-level lumbar fusion allow significant money and time savings. They may also avoid delaying surgery in case of reusable device unavailability.
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Affiliation(s)
- C Bouthors
- Orthopedic and Traumatology Surgery Department (Pr Ch Court), Bicetre University Hospital, AP-HP Paris, Paris-Sud University ORSAY, 78 Rue du Général Leclerc, 94275, Le Kremlin-Bicêtre, France.
| | - J Nguyen
- Pharmacy and Sterilization Department, Bicetre University Hospital, AP-HP Paris, Paris-Sud University ORSAY, 78 Rue du Général Leclerc, 94275, Le Kremlin-Bicêtre, France
| | - L Durand
- Pharmacy and Sterilization Department, Bicetre University Hospital, AP-HP Paris, Paris-Sud University ORSAY, 78 Rue du Général Leclerc, 94275, Le Kremlin-Bicêtre, France
| | - A Dubory
- Orthopedic and Traumatology Surgery Department (Pr Ch Court), Bicetre University Hospital, AP-HP Paris, Paris-Sud University ORSAY, 78 Rue du Général Leclerc, 94275, Le Kremlin-Bicêtre, France
| | - S Raspaud
- Pharmacy and Sterilization Department, Bicetre University Hospital, AP-HP Paris, Paris-Sud University ORSAY, 78 Rue du Général Leclerc, 94275, Le Kremlin-Bicêtre, France
| | - Ch Court
- Orthopedic and Traumatology Surgery Department (Pr Ch Court), Bicetre University Hospital, AP-HP Paris, Paris-Sud University ORSAY, 78 Rue du Général Leclerc, 94275, Le Kremlin-Bicêtre, France
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23
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Al-Balushi K, Martin N, Loubon H, Baboudjian M, Michel F, Sichez PC, Martin T, Di-Crocco E, Gaillet S, Delaporte V, Akiki A, Faure A, Karsenty G, Lechevallier E, Boissier R. Comparative medico-economic study of reusable vs. single-use flexible ureteroscopes. Int Urol Nephrol 2019; 51:1735-1741. [PMID: 31317310 DOI: 10.1007/s11255-019-02230-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 07/08/2019] [Indexed: 11/30/2022]
Abstract
PURPOSE Reusable flexible-ureteroscopes (fURS) require personnel and budget for processing and repairing, whereas single-use fURS were recently developed. After exclusive reusable fURS since 2011, we experienced high repair costs and single-use fURS were therefore introduced in mid-2017. We aimed to evaluate economic and practical advantages and disadvantages of reusable versus single-use fURS. MATERIALS AND METHODS First, we evaluated the incidence of breakage and repairs of reusable fURS in 2017. We assessed the overall operational costs of reusable fURS including purchase, processing, and repairing in our institution from 2011 to 2017. Following our experience, we created a model to compare operation costs/procedure of single-use fURS with reusable fURS depending on repair costs. RESULTS In 2017, repair costs of reusable fURS increased by 345% compared with the period 2011-2016, causing: a median unavailability per reusable fURS of 200 days/year (100-249), median number of functioning fURS 0/5-3/5 per operating day, while unavailability of reusable fURS had become the first reason for cancellation of procedure. Since it was introduced, single-use fURS accounted for 59% of the flexible ureteroscopy activity. Taking into account the costs of processing, maintenance and repair, in 2011-2016 versus 2017, the single-use fURS was cost-effective compared with the reusable fURS until the 22nd procedure versus the 73rd procedure, respectively. CONCLUSIONS After years of exclusive reusable fURS, the rising incidence of breakage not only increased maintenance costs but also hampered daily activity owing to unavailability of the devices. The introduction of single-use with reusable fURS provided substantial help to maintain our activity.
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Affiliation(s)
- Khalid Al-Balushi
- Department of Urology and Kidney Transplantation, APHM, Conception University Hospital, Aix-Marseille University, 13005, Marseille, France
| | - Nathalie Martin
- APHM, Conception University Hospital, Central Pharmacy, Marseille, France
| | - Hélène Loubon
- Department of Urology and Kidney Transplantation, APHM, Conception University Hospital, Aix-Marseille University, 13005, Marseille, France
| | - Michael Baboudjian
- Department of Urology and Kidney Transplantation, APHM, Conception University Hospital, Aix-Marseille University, 13005, Marseille, France
| | - Floriane Michel
- Department of Urology and Kidney Transplantation, APHM, Conception University Hospital, Aix-Marseille University, 13005, Marseille, France
| | - Pierre-Clément Sichez
- Department of Urology and Kidney Transplantation, APHM, Conception University Hospital, Aix-Marseille University, 13005, Marseille, France
| | - Thomas Martin
- Department of Urology and Kidney Transplantation, APHM, Conception University Hospital, Aix-Marseille University, 13005, Marseille, France
| | - Eugénie Di-Crocco
- Department of Urology and Kidney Transplantation, APHM, Conception University Hospital, Aix-Marseille University, 13005, Marseille, France
| | - Sarah Gaillet
- Department of Urology and Kidney Transplantation, APHM, Conception University Hospital, Aix-Marseille University, 13005, Marseille, France
| | - Veronique Delaporte
- Department of Urology and Kidney Transplantation, APHM, Conception University Hospital, Aix-Marseille University, 13005, Marseille, France
| | - Akram Akiki
- Department of Urology and Kidney Transplantation, APHM, Conception University Hospital, Aix-Marseille University, 13005, Marseille, France
| | - Alice Faure
- Department of Pediatric Surgery, APHM, Timone University Hospital, Aix-Marseille University, Marseille, France
| | - Gilles Karsenty
- Department of Urology and Kidney Transplantation, APHM, Conception University Hospital, Aix-Marseille University, 13005, Marseille, France
| | - Eric Lechevallier
- Department of Urology and Kidney Transplantation, APHM, Conception University Hospital, Aix-Marseille University, 13005, Marseille, France
| | - Romain Boissier
- Department of Urology and Kidney Transplantation, APHM, Conception University Hospital, Aix-Marseille University, 13005, Marseille, France.
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Bayne DB, Chi TL. Assessing Cost-Effectiveness of New Technologies in Stone Management. Urol Clin North Am 2019; 46:303-313. [PMID: 30961862 DOI: 10.1016/j.ucl.2018.12.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Diagnosis, treatment, and follow-up are all influential in determining the overall cost to the health care system for kidney stones. New innovations in the field of nephrolithiasis have been abundant, including disposable ureteroscopes, ultrasound-guided approaches to percutaneous nephrolithotomy, and advanced laser lithotripters. Identifying cost-effective treatment strategies encourages practitioners to be thoughtful about providing value-based high-quality care and remains on important principle in the treatment of urinary stone disease.
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Affiliation(s)
- David B Bayne
- Urology, University of California San Francisco, San Francisco, CA, USA.
| | - Thomas L Chi
- Urology, University of California San Francisco, San Francisco, CA, USA
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Pietropaolo A, Jones P, Whitehurst L, Rai BP, Geraghty R, Somani BK. Efficacy and Safety of Ureteroscopy for Stone Disease in a Solitary Kidney: Findings From a Systematic Review. Urology 2018; 119:17-22. [DOI: 10.1016/j.urology.2018.03.043] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 02/10/2018] [Accepted: 03/24/2018] [Indexed: 12/22/2022]
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Pollard ME, Laviana AA, Kaplan AL, Pagan C, Saigal CS. Time-Driven Activity-Based Costing Analysis of Urological Stone Disease. UROLOGY PRACTICE 2018. [DOI: 10.1016/j.urpr.2017.08.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Matthew E. Pollard
- Department of Urology, UCLA David Geffen School of Medicine, Los Angeles, California
| | - Aaron A. Laviana
- Department of Urology, UCLA David Geffen School of Medicine, Los Angeles, California
| | - Alan L. Kaplan
- Department of Urology, UCLA David Geffen School of Medicine, Los Angeles, California
| | - Casey Pagan
- Department of Urology, UCLA David Geffen School of Medicine, Los Angeles, California
| | - Christopher S. Saigal
- Department of Urology, UCLA David Geffen School of Medicine, Los Angeles, California
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Prattley S, Voss J, Cheung S, Geraghty R, Jones P, Somani BK. Ureteroscopy and stone treatment in the elderly (≥70 years): prospective outcomes over 5- years with a review of literature. Int Braz J Urol 2018. [PMID: 29522293 PMCID: PMC6092651 DOI: 10.1590/s1677-5538.ibju.2017.0516] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Objective: To assess outcomes of ureteroscopy for treatment of stone disease in the elderly. Ureteroscopy (URS) is an increasingly popular treatment modality for urolithiasis and its applications are ever expanding with the development of newer technologies. Its feasibility and outcomes within the elderly population to our knowledge remain under-reported. Materials and Methods: We examined the patient demographics and surgical outcomes from our prospective database for patients ≥70 years who underwent URS for urolithiasis, in a 5-year period between March 2012 and December 2016. Results: A total of 110 consecutive patients underwent 121 procedures (1.1 procedure/patient) with a mean age of 77.2 years (range: 70-91 years). Stone location was in the kidney/ pelviureteric junction (PUJ) in 29%, ureter in 37% and in multiple locations in 34%. The initial and final stone free rate (SFR) was 88% and 97% respectively. While 73% were done as true day case procedures, 89% patients were discharged within 24 hours. Eleven patients (9%) underwent complications of which 10 were Clavien I/II including acute urinary retention, urinary tract infection, stent symptoms and pneumonia. One patient underwent Clavien IV complication where they needed intensive care unit admission for urosepsis but fully recovered and were discharged home subsequently. Conclusion: Ureteroscopy is a safe and effective method of managing urolithiasis in elderly patients. Although most patients are discharged within 24-hours, consideration needs to be made for patients where social circumstances can impact their discharge planning.
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Affiliation(s)
- Sarah Prattley
- University Hospital Southampton, NHS Trust, United Kingdom, UK
| | - James Voss
- University Hospital Southampton, NHS Trust, United Kingdom, UK
| | | | - Robert Geraghty
- University Hospital Southampton, NHS Trust, United Kingdom, UK
| | - Patrick Jones
- University Hospital Southampton, NHS Trust, United Kingdom, UK
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Abstract
PURPOSE OF REVIEW Laser lithotripsy is increasingly used worldwide and is a continuously evolving field with new and extensive research being published every year. RECENT FINDINGS Variable pulse length Ho:YAG lithotripters allow new lithotripsy parameters to be manipulated, and there is an effort to integrate new technologies into lithotripters. Pulsed thulium lasers seem to be a viable alternative to holmium lasers. The performance of similar laser fibers varies from manufacturer to manufacturer. Special laser fibers and "cleaving only" fiber tip preparation can be beneficial for the lithotripsy procedure. Different laser settings and the surgical technique employed can have significant impact on the success of laser lithotripsy. When safely done, complications of laser lithotripsy are rare and concern the endoscopic nature of procedure, not the technology itself, making laser lithotripsy one of the safest tools in urology. Laser lithotripsy has had several new developments and more insight has been gained in recent years with many more advances expected in the future.
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Affiliation(s)
| | - Bhaskar Somani
- University Hospital Southampton NHS Trust, Southampton, UK
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Ureteroscopy is more cost effective than shock wave lithotripsy for stone treatment: systematic review and meta-analysis. World J Urol 2018; 36:1783-1793. [PMID: 29730839 PMCID: PMC6208679 DOI: 10.1007/s00345-018-2320-9] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 04/30/2018] [Indexed: 11/23/2022] Open
Abstract
Introduction A rising incidence of kidney stone disease has led to an increase in ureteroscopy (URS) and shock wave lithotripsy (SWL). Our aim was to compare the cost of URS and SWL for treatment of stones. Methods A systematic review and meta-analysis based on Cochrane and PRISMA standards was conducted for all studies reporting on comparative cost of treatment between URS and SWL. The cost calculation was based on factual data presented in the individual studies as reported by the authors. English language articles from January 2001 to December 2017 using Medline, PubMed, EMBASE, CINAHL, Cochrane library and Google Scholar were selected. Our study was registered with PROSPERO (International prospective register of systematic reviews)—registration number CRD 42017080350. Results A total of 12 studies involving 2012 patients (SWL-1243, URS-769) were included after initial identification and screening of 725 studies with further assessment of 27 papers. The mean stone size was 10 and 11 mm for SWL and URS, respectively, with stone location in the proximal ureter (n = 8 studies), distal ureter (n = 1), all locations in the ureter (n = 1) and in the kidney (n = 2). Stone free rates (84 vs. 60%) were favourable for URS compared to SWL (p < 0.001). Complication rates (23 vs. 30%) were non-significantly in favor of SWL (p = 0.11) whereas re-treatment rates (11 vs. 27%) were non-significantly in favor of URS (p = 0.29). Mean overall cost was significantly lower for URS ($2801) compared to SWL ($3627) (p = 0.03). The included studies had high risk of bias overall. On sub-analysis, URS was significantly cost-effective for both stones < 10 and ≥ 10 mm and for proximal ureteric stones. Conclusion There is limited evidence to suggest that URS is less expensive than SWL. However, due to lack of standardization, studies seem to be contradictory and further randomized studies are needed to address this issue.
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Moore SL, Somani BK, Cook P. Journey of a cystinuric patient with a long-term follow-up from a medical stone clinic: necessity to be SaFER (stone and fragments entirely removed). Urolithiasis 2018; 47:165-170. [PMID: 29696300 PMCID: PMC6420894 DOI: 10.1007/s00240-018-1059-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Accepted: 04/10/2018] [Indexed: 12/05/2022]
Abstract
There is a lack of studies looking at the longitudinal follow-up of patients with cystine stones. We wanted to assess the journey of cystinuric patients through our specialist metabolic stone clinic to improve the understanding of episodes, interventions and current outcomes in this patient cohort. After ethical approval, all patients who attended our metabolic stone clinic from 1994 to 2014 with at least one cystine stone episode were included in our study. Data were retrospectively analysed for patient demographics, stone episodes or intervention, clinical parameters and patient compliance. Over a period of 21 years, 16 patients with a median age of 15.5 years underwent a mean follow-up of 8.6 years (1–21 years). The mean number of surgical interventions was 3.1 (1–8/patient), but patients who were stone free after their first treatment had lower recurrences (p = 0.91) and lower number of interventions during their follow-up (2.7/patient, compared to those who were not stone free at 4/patient). During their follow-up period, patients with < 3 interventions had a significantly better renal function than those with ≥ 3 surgical interventions (p = 0.04). Additionally, linear regression analysis showed that eGFR was demonstrated to decline with increasing numbers of stone episodes (r2 = 0.169). It was also noted that patients who began early medical management remained stone free during follow-up compared to those who had medical management after ≥ 2 stone episodes, of whom all had a recurrent episode. Our long-term longitudinal study of cystine stone formers highlights that patients who are stone free and receive early metabolic stone screening and medical management after their initial presentation have the lowest recurrence rates and tend to preserve their renal function. Hence, prompt referral for metabolic assessment, and the stone and fragments entirely removed (SaFER) principles are key to preventing stone episodes and improving long-term function.
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Affiliation(s)
- Sacha L Moore
- University Hospital Southampton NHS Trust, Southampton, SO16 6YD, UK
| | - Bhaskar K Somani
- University Hospital Southampton NHS Trust, Southampton, SO16 6YD, UK. .,University of Southampton, Southampton, UK.
| | - Paul Cook
- Medical Stone Clinic, University Hospital Southampton NHS Trust, Southampton, UK
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Geraghty RM, Jones P, Somani BK. Worldwide Trends of Urinary Stone Disease Treatment Over the Last Two Decades: A Systematic Review. J Endourol 2018; 31:547-556. [PMID: 28095709 DOI: 10.1089/end.2016.0895] [Citation(s) in RCA: 161] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
INTRODUCTION Numerous studies have reported on regional or national trends of stone disease treatment. However, no article has yet examined the global trends of intervention for stone disease. METHODS AND MATERIALS A systematic review of articles from 1996 to September 2016 for all English language articles reporting on trends of surgical treatment of stone disease was performed. Authors were contacted in the case of data not being clear. If the authors did not reply, data were estimated from graphs or tables. Results were analyzed using SPSS version 21, and trends were analyzed using linear regression. RESULTS Our systematic review yielded 120 articles, of which 8 were included in the initial review. This reflected outcomes from six countries with available data: United Kingdom, United States, New Zealand, Australia, Canada, and Brazil. Overall ureteroscopy (URS) had a 251.8% increase in total number of treatments performed with the share of total treatments increasing by 17%. While the share of total treatments for percutaneous nephrolithotomy (PCNL) remained static, the share for extracorporeal shockwave lithotripsy and open surgery fell by 14.5% and 12%, respectively. There was significant linear regression between rising trends of total treatments year on year for URS (p < 0.001). CONCLUSION In the last two decades, the share of total treatment for urolithiasis across the published literature has increased for URS, stable for PCNL, and decreased for lithotripsy and open surgery.
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Affiliation(s)
- Robert M Geraghty
- 1 Department of Urology, University Hospital Southampton NHS Foundation Trust , Southampton, United Kingdom
| | - Patrick Jones
- 2 Department of Urology, Blackpool Teaching Hospitals NHS Trust , Blackpool, United Kingdom
| | - Bhaskar K Somani
- 1 Department of Urology, University Hospital Southampton NHS Foundation Trust , Southampton, United Kingdom
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Abstract
Since the introduction of ESWL, PNL and URS during the early 1980s the application rate of ESWL has declined while those of PNL and URS have increased. This is mainly due to the facts that instruments and techniques for Intracorporeal Lithotripsy (IL) have made a continuous progress. This review shows that today an array of options for IL within the entire urinary tract is available to treat stones in a perfect minimal invasive way. At the same time further improvements of IL are already visible.
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Pietropaolo A, Proietti S, Jones P, Rangarajan K, Aboumarzouk O, Giusti G, Somani BK. Trends of intervention for paediatric stone disease over the last two decades (2000-2015): A systematic review of literature. Arab J Urol 2017; 15:306-311. [PMID: 29234533 PMCID: PMC5717467 DOI: 10.1016/j.aju.2017.10.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 10/10/2017] [Accepted: 10/14/2017] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVE To ascertain the publication trends of interventions for paediatric kidney stone disease (KSD) we conducted a systematic review of literature over the last 16 years. PATIENTS AND METHODS With a rise of paediatric KSD and related interventions, a systematic review using PubMed was done over the last 16 years for all published papers on 'Paediatric stone disease intervention - ureteroscopy (URS), shockwave lithotripsy (SWL), percutaneous nephrolithotomy (PCNL), open stone surgery, and laparoscopic stone surgery'. The search was limited to English language articles with a published abstract, whilst case reports, animal and laboratory studies, were excluded. We also analysed the data in two time periods, period-1 (2000-2007) and period-2 (2008-2015). RESULTS During the last 16-years, 339 papers were published on paediatric stone disease intervention on PubMed. This included papers on URS (95), PCNL (97), SWL (102), open stone surgery (34) and laparoscopic stone surgery (11). During period-1 and period-2 there were 30 and 65 papers on URS, 16 and 81 papers on PCNL, 33 and 60 papers on SWL, nine and 25 papers on open surgery, respectively. When comparing the two periods, there were 92 published papers for all interventions in period-1 and this had risen almost threefold to 247 papers in period-2. CONCLUSIONS Our systematic review shows that intervention for KSD in the paediatric age group has risen over the last 8 years. Whilst URS, SWL, open surgery and laparoscopic surgery have all doubled, PCNL has risen fivefold reflecting an increase in the new minimally invasive PCNL techniques.
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Affiliation(s)
| | | | - Patrick Jones
- University Hospital Southampton NHS Trust, Southampton, UK
| | | | - Omar Aboumarzouk
- Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde, Glasgow, UK
| | - Guido Giusti
- Raffaele Hospital, Ville Turro Division, Milan, Italy
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Talso M, Emiliani E, Haddad M, Berthe L, Baghdadi M, Montanari E, Traxer O. Laser Fiber and Flexible Ureterorenoscopy: The Safety Distance Concept. J Endourol 2017; 30:1269-1274. [PMID: 27733053 DOI: 10.1089/end.2016.0209] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
INTRODUCTION The costs of flexible ureterorenoscopes (fURSs) and their repair oblige the surgeon to know the proper handling of instruments. There is a lack of evidence in the literature about the safety distance that the laser fiber should have once out from the ureterorenoscope to avoid instrumental damages. MATERIALS AND METHODS We performed an in vitro observational study. Seven fURSs were tested. The distance from the laser fiber tip and the fURS camera was measured at the first appearance on the endoscopic screen and when the fiber was reaching one-fourth of the screen. Second, to evaluate the impact of the holmium laser bubble according to different fiber distances, an assessment of the size and shape of the bubble created at the tip of the fiber with the laser activated was done, recording the images with a high-speed camera. RESULTS The first appearance on the screen of the laser tip is different in different ureterorenoscopes. In all the ureterorenoscopes, we observed that when the laser fiber was at ¼ of the screen, the bubble was never touching the fURS tip. CONCLUSION Even if there is a big limitation of this study due to the impossibility to measure and to evaluate the damage of the fURS tip surface, we observed that when the laser fiber tip reaches ¼ of the screen, the bubble generated by laser activation is never rebounding on the camera of the ureterorenoscope, preserving it from laser damages. We can define this position as the safety distance.
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Affiliation(s)
- Michele Talso
- 1 Department of Urology, Hôpital Tenon, Université Pierre et Marie Curie-Paris VI 4 rue de la Chine , Paris, France .,2 Department of Urology, Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico, Università degli Studi di Milano , Milano, Italy
| | - Esteban Emiliani
- 1 Department of Urology, Hôpital Tenon, Université Pierre et Marie Curie-Paris VI 4 rue de la Chine , Paris, France .,3 Fundacion Puigvert, Department of Urology, Universitat Autonoma de Barcelona, Barcelona, Spain
| | - Mattieu Haddad
- 1 Department of Urology, Hôpital Tenon, Université Pierre et Marie Curie-Paris VI 4 rue de la Chine , Paris, France .,4 Laboratoire PIMM-UMR 8006 Ecole Nationale des Arts et Métiers-131 Boulevard de l'Hôpital , Paris, France
| | - Laurent Berthe
- 4 Laboratoire PIMM-UMR 8006 Ecole Nationale des Arts et Métiers-131 Boulevard de l'Hôpital , Paris, France
| | - Mohammed Baghdadi
- 1 Department of Urology, Hôpital Tenon, Université Pierre et Marie Curie-Paris VI 4 rue de la Chine , Paris, France
| | - Emanuele Montanari
- 2 Department of Urology, Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico, Università degli Studi di Milano , Milano, Italy
| | - Olivier Traxer
- 1 Department of Urology, Hôpital Tenon, Université Pierre et Marie Curie-Paris VI 4 rue de la Chine , Paris, France
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Haddad M, Emiliani E, Rouchausse Y, Coste F, Doizi S, Berthe L, Butticé S, Somani B, Traxer O. Impact of the Curve Diameter and Laser Settings on Laser Fiber Fracture. J Endourol 2017; 31:918-921. [PMID: 28683574 DOI: 10.1089/end.2017.0006] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
OBJECTIVE To analyze the risk factors for laser fiber fractures when deflected to form a curve, including laser settings, size of the laser fiber, and the fiber bending diameter. MATERIALS AND METHODS Single-use 272 and 365 μm fibers (Rocamed®, Monaco) were employed along with a holmium laser (Rocamed). Five different fiber curve diameters were tested: 9, 12, 15, 18, and 20 mm. Fragmentation and dusting settings were used at a theoretical power of 7.5 W. The laser was activated for 5 minutes and the principal judgment criterion was fiber fracture. Every test for each parameter, bending diameter, and fiber size combinations was repeated 10 times. RESULTS With dusting settings, fibers broke more frequently at a curved diameter of 9 mm for both 272 and 365 μm fibers (p = 0.037 and 0.006, respectively). Using fragmentation settings, fibers broke more frequently at 12 mm for 272 μm and 15 mm for 365 μm (p = 0.007 and 0.033, respectively). Short pulse and high energy were significant risk factors for fiber fracture using the 365 μm fibers (p = 0.02), but not for the 272 μm fibers (p = 0.35). Frequency was not a risk factor for fiber rupture. Fiber diameters also seemed to be involved in the failure with a higher number of broken fibers for the 365 μm fibers, but this was not statistically significant when compared with the 272 μm fibers (p > 0.05). CONCLUSION Small-core fibers are more resistant than large-core fibers as lower bending diameters (<9 mm) are required to break smaller fibers. In acute angles, the use of small-core fibers, at a low energy and long-pulse (dusting) setting, will reduce the risk of fiber rupture.
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Affiliation(s)
- Mattieu Haddad
- 1 Department of Urology, Tenon Hospital, Pierre and Marie Curie University, Paris VI , Paris, France .,2 Groupe de Recherche Clinique sur la Lithiase Urinaire, GRC n°20, Sorbonne Universités, UPMC Univ, Paris VI, Department of Urology, Tenon Hospital , Paris XX, Paris, France .,3 Process and Engineering in Mechanics and Materials Laboratory (PIMM), UMR CNRS/ENSAM , Paris VI, Paris, France
| | - Esteban Emiliani
- 1 Department of Urology, Tenon Hospital, Pierre and Marie Curie University, Paris VI , Paris, France .,2 Groupe de Recherche Clinique sur la Lithiase Urinaire, GRC n°20, Sorbonne Universités, UPMC Univ, Paris VI, Department of Urology, Tenon Hospital , Paris XX, Paris, France .,4 Department of Urology, Fundación Puigvert, Universidad Autónoma de Barcelona , Barcelona, Spain
| | - Yann Rouchausse
- 3 Process and Engineering in Mechanics and Materials Laboratory (PIMM), UMR CNRS/ENSAM , Paris VI, Paris, France
| | - Frederic Coste
- 3 Process and Engineering in Mechanics and Materials Laboratory (PIMM), UMR CNRS/ENSAM , Paris VI, Paris, France
| | - Steeve Doizi
- 1 Department of Urology, Tenon Hospital, Pierre and Marie Curie University, Paris VI , Paris, France .,2 Groupe de Recherche Clinique sur la Lithiase Urinaire, GRC n°20, Sorbonne Universités, UPMC Univ, Paris VI, Department of Urology, Tenon Hospital , Paris XX, Paris, France
| | - Laurent Berthe
- 3 Process and Engineering in Mechanics and Materials Laboratory (PIMM), UMR CNRS/ENSAM , Paris VI, Paris, France
| | - Salvatore Butticé
- 5 Section of Urology, Department of Human Pathology, University of Messina , Messina, Italy
| | - Bhaskar Somani
- 2 Groupe de Recherche Clinique sur la Lithiase Urinaire, GRC n°20, Sorbonne Universités, UPMC Univ, Paris VI, Department of Urology, Tenon Hospital , Paris XX, Paris, France .,6 Department of Urology, University Hospitals Southampton NHS Trust , Southampton, United Kingdom
| | - Olivier Traxer
- 1 Department of Urology, Tenon Hospital, Pierre and Marie Curie University, Paris VI , Paris, France .,2 Groupe de Recherche Clinique sur la Lithiase Urinaire, GRC n°20, Sorbonne Universités, UPMC Univ, Paris VI, Department of Urology, Tenon Hospital , Paris XX, Paris, France
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Ritchie C, Yang P, Peplinski B, Keheila M, Cheriyan S, Abourbih S, Kelln W, Baldwin DD. Jackets Off: The Impact of Laser Fiber Stripping on Power Output and Stone Degradation. J Endourol 2017; 31:780-785. [PMID: 28521539 DOI: 10.1089/end.2017.0160] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
PURPOSE To investigate the effect of laser fiber stripping on stone fragmentation and laser fiber power output. MATERIALS AND METHODS In a benchtop simulation of laser lithotripsy, 20 BegoStone phantoms were positioned within a ureteral model and irradiated for 10 minutes at 8 Hz and 0.8 J. A freshly cleaved 365 μm laser fiber was used for all trials, with half of the fibers also undergoing stripping. Power output was measured at 1-minute intervals, beginning with an initial prelithotripsy recording at 0 minutes. Fiber tips were imaged with scanning electron microscopy. In a single-blinded manner, final masses of residual stone fragments were measured and used to quantify stone breakdown. Independent-sample Mann-Whitney U tests were performed with significance set at p < 0.05, comparing stripped and unstripped fiber tips with respect to power output and fraction of stone fragmentation. RESULTS Mean power output after 1 minute of lasing was significantly greater in unstripped laser fibers (p = 0.015), while fibers, whether stripped or not, demonstrated no significant output differences prelithotripsy or at any time from 2 to 10 minutes. However, stripped laser fibers achieved significantly increased stone breakdown compared to unstripped fibers (p = 0.004), fragmenting 63 mg (25%) more of the initial stone mass per trial. CONCLUSIONS Although unstripped laser fibers provided superior power output at 1 minute, output at all other time points was similar between stripped and unstripped fibers. However, despite similar optical output, stripped laser fibers achieved greater stone fragmentation, possibly due to improved contact between stone and fiber tip.
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Affiliation(s)
- Cayde Ritchie
- 1 Department of Urology, Loma Linda University Medical Center , Loma Linda, California
| | - Patrick Yang
- 1 Department of Urology, Loma Linda University Medical Center , Loma Linda, California
| | - Brandon Peplinski
- 1 Department of Urology, Loma Linda University Medical Center , Loma Linda, California
| | - Mohamed Keheila
- 1 Department of Urology, Loma Linda University Medical Center , Loma Linda, California
| | - Salim Cheriyan
- 1 Department of Urology, Loma Linda University Medical Center , Loma Linda, California
| | - Samuel Abourbih
- 1 Department of Urology, Loma Linda University Medical Center , Loma Linda, California
| | - Wayne Kelln
- 2 Department of Earth and Biological Sciences, Loma Linda University , Loma Linda, California
| | - D Duane Baldwin
- 1 Department of Urology, Loma Linda University Medical Center , Loma Linda, California
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Dragos LB, Somani BK, Sener ET, Buttice S, Proietti S, Ploumidis A, Iacoboaie CT, Doizi S, Traxer O. Which Flexible Ureteroscopes (Digital vs. Fiber-Optic) Can Easily Reach the Difficult Lower Pole Calices and Have Better End-Tip Deflection: In Vitro Study on K-Box. A PETRA Evaluation. J Endourol 2017; 31:630-637. [DOI: 10.1089/end.2017.0109] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Laurian B. Dragos
- Clinical Emergency County Hospital “Pius Branzeu” Timisoara, University of Medicine and Pharmacy “Victor Babes” Timisoara, Romania
- PETRA—Progress in Endourology, Technology and Research Association, Paris, France
| | - Bhaskar K. Somani
- PETRA—Progress in Endourology, Technology and Research Association, Paris, France
- Urology Department, University Hospital Southampton NHS Trust, Southampton, United Kingdom
| | - Emre T. Sener
- PETRA—Progress in Endourology, Technology and Research Association, Paris, France
- Urology Department, Marmara University School of Medicine, Istanbul, Turkey
| | - Salvatore Buttice
- PETRA—Progress in Endourology, Technology and Research Association, Paris, France
- Urology Department, University of Messina, Messina, Italy
| | - Silvia Proietti
- PETRA—Progress in Endourology, Technology and Research Association, Paris, France
- IRCCS San Raffaele Scientific Institute, Ville Turro Division, Milano, Italy
| | - Achilles Ploumidis
- PETRA—Progress in Endourology, Technology and Research Association, Paris, France
- Urology Department, Athens Medical Center, Athens, Greece
| | | | - Steeve Doizi
- PETRA—Progress in Endourology, Technology and Research Association, Paris, France
- Urology Department, Tenon Hospital, Paris, France
- University Pierre et Marie Curie Paris 6, GRC Lithiase #20, Paris, France
| | - Olivier Traxer
- PETRA—Progress in Endourology, Technology and Research Association, Paris, France
- University Pierre et Marie Curie Paris 6, GRC Lithiase #20, Paris, France
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Edenharter GM, Gartner D, Pförringer D. Decision Support for the Capacity Management of Bronchoscopy Devices. Anesth Analg 2017; 124:1963-1967. [DOI: 10.1213/ane.0000000000001729] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Borofsky MS, Dauw CA, York NE, Hoovler C, Lingeman JE. Comprehensive Costs Associated with Fiberoptic and Digital Flexible Ureteroscopes at a High Volume Teaching Hospital. UROLOGY PRACTICE 2017; 4:187-192. [PMID: 37592634 DOI: 10.1016/j.urpr.2016.06.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Modern flexible ureteroscope ownership costs are considerable. Most prior estimates focus exclusively on repair costs, likely underestimating overall costs, including those of acquisition and reprocessing. Furthermore, to our knowledge no prior cost analyses focus on the latest generation digital flexible ureteroscope, which may differ due to unique purchase and repair prices. We sought to gain greater insight into the comprehensive costs associated with modern flexible ureteroscope use, particularly the difference between digital and fiberoptic models. METHODS Data on use and repair of fiberoptic Storz Flex-X2 and digital Flex-Xc flexible ureteroscopes from 2011 to 2015 were reviewed. List prices and repair costs were obtained from Storz. Per case reprocessing costs were estimated, accounting for disposables, reagents and labor. Maintenance costs were estimated by combining cost of repairs and reprocessing. Analyses were performed at list pricing and standard discount rates. Global flexible ureteroscope costs were calculated to account for the cost of acquisition, repair and maintenance of a new scope during its first 100 uses. RESULTS Global costs associated with digital flexible ureteroscope ownership were 1.3 to 1.4 times greater than fiberoptic on a per case basis ($1,008/$1,086 vs $715/$835). The majority of expenses went toward scope repairs (73% vs 71%), with instrument purchase (23% vs 24%) and reprocessing (4% vs 5%) being less costly. Repair rates were not significantly different between fiberoptic and digital devices (12.5 vs 11.5, p=0.757). CONCLUSIONS Expenditures associated with ownership of modern flexible ureteroscopes are considerable and driven primarily by the high cost of repairs. Digital instruments are more costly despite comparable rates of flexible ureteroscope damage.
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Affiliation(s)
- Michael S Borofsky
- Department of Urology, Indiana University School of Medicine, Indianapolis, Indiana
| | - Casey A Dauw
- Department of Urology, Indiana University School of Medicine, Indianapolis, Indiana
| | - Nadya E York
- Department of Urology, Indiana University School of Medicine, Indianapolis, Indiana
| | | | - James E Lingeman
- Department of Urology, Indiana University School of Medicine, Indianapolis, Indiana
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Del Santo K, Audouin M, Ouzaid I, Ravery V, Traxer O. [Evaluation of the operating results and costs associated with the implementation of a flexible ureteroscopy activity within a university hospital center]. Prog Urol 2017; 27:375-380. [PMID: 28434755 DOI: 10.1016/j.purol.2017.02.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Revised: 02/17/2017] [Accepted: 02/27/2017] [Indexed: 12/23/2022]
Abstract
INTRODUCTION The increasing use of flexible ureteroscopy (USSR) sets the cost problems inevitably associated with the fragility of these endoscopes. The aim of this work is to clear from a recent example (universitary hospital) results, costs during the implementation of this technique. MATERIAL AND METHODS This is a retrospective study conducted from December 2012 (date of introduction of the activity) in March 2015 concerning the USSR made in a French universitary hospital for stone disease. In this analysis, the cost of consumables was not evaluated, nor the costs of the operating theater or hospitalization. RESULTS One hundred forty-one hundred and thirteen patients USSR were conducted by seven surgeons. Seventeen breakages and failures have been identified and have led to the sending of the endoscope for repair. Breakage rate and failure was 12%. All failures were treated with a standard exchange of the device (including 4 standard exchanges made under warranty). The estimated average cost of outages was 3600 euros. This represents an average cost per procedure of about 625 euros (acquisition plus cost of failures) without counting the costs of sterilization or high-level disinfection. The impossibility of relocating the lower calyx stones is associated with an excess risk of breakage (odd ratio: 2.92 CI95: [1.02; 8.37]). CONCLUSION This study is novel because it focuses on the cost of implementing a technique in a French university hospital. The use of flexible ureteroscope to unique uses might be an interesting source of savings in the implementation of this technique. This remains to be evaluated. LEVEL OF EVIDENCE 5.
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Affiliation(s)
- K Del Santo
- CHU Bichat, 46, rue Henri-Huchard, 75018 Paris, France.
| | - M Audouin
- Hôpital Tenon, 2-4, rue de la Chine, 75020 Paris, France
| | - I Ouzaid
- CHU Bichat, 46, rue Henri-Huchard, 75018 Paris, France
| | - V Ravery
- CHU Bichat, 46, rue Henri-Huchard, 75018 Paris, France
| | - O Traxer
- Hôpital Tenon, 2-4, rue de la Chine, 75020 Paris, France
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Proietti S, Knoll T, Giusti G. Contemporary ureteroscopic management of renal stones. Int J Surg 2016; 36:681-687. [DOI: 10.1016/j.ijsu.2016.11.130] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Accepted: 11/27/2016] [Indexed: 12/01/2022]
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The Single Wire Ureteral Access Sheath, Both Safe and Economical. Adv Urol 2016; 2016:6267953. [PMID: 27974887 PMCID: PMC5126391 DOI: 10.1155/2016/6267953] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Accepted: 10/19/2016] [Indexed: 01/14/2023] Open
Abstract
Introduction. Novel disposable products for ureteroscopy are often inherently more expensive than conventional ones. For example, the Cook Flexor© Parallel™ (Flexor) access sheath is designed for ease and efficiency of gaining upper tract access with a solitary wire. We analyze the cost combinations, efficiency, and safety of disposable products utilized for upper tract access, including the Flexor and standard ureteral access sheath. Methods. We performed a retrospective review from January 2014 to October 2014 of patients undergoing URS for nephrolithiasis, who were prestented for various reasons (e.g., infection). Common combinations most utilized at our institution include "Classic," "Flexor," and "Standard." Total costs per technique were calculated. Patient characteristics, operative parameters, and outcomes were compared among the groups. Results. The most commonly used technique involved a standard ureteral sheath and was the most expensive ($294). The second most utilized and least expensive combination involved the Flexor, saving up to $80 per case (27%). All access sheaths were placed successfully and without complications. There were no significant differences in operative time, blood loss, or complications. Conclusions. In prestented patients within this study, the Flexor combination was the most economical. Although the savings appear modest, long-term impact on costs can be substantial.
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Peplinski B, Faaborg D, Miao E, Alsyouf M, Myklak K, Kelln W, Baldwin DD. The Effect of Laser Fiber Cleave Technique and Lithotripsy Time on Power Output. J Endourol 2016; 30:678-84. [DOI: 10.1089/end.2015.0835] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Brandon Peplinski
- Department of Urology, Loma Linda University Medical Center, Loma Linda, California
| | - Daniel Faaborg
- Department of Urology, Loma Linda University Medical Center, Loma Linda, California
| | - Edna Miao
- Department of Urology, Loma Linda University Medical Center, Loma Linda, California
| | - Muhannad Alsyouf
- Department of Urology, Loma Linda University Medical Center, Loma Linda, California
| | - Kristene Myklak
- Department of Urology, Loma Linda University Medical Center, Loma Linda, California
| | - Wayne Kelln
- Department of Urology, Loma Linda University Medical Center, Loma Linda, California
| | - D. Duane Baldwin
- Department of Urology, Loma Linda University Medical Center, Loma Linda, California
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Wilson CR, Hardy LA, Kennedy JD, Irby PB, Fried NM. Miniature ball-tip optical fibers for use in thulium fiber laser ablation of kidney stones. JOURNAL OF BIOMEDICAL OPTICS 2016; 21:18003. [PMID: 26784588 DOI: 10.1117/1.jbo.21.1.018003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Accepted: 12/08/2015] [Indexed: 06/05/2023]
Affiliation(s)
- Christopher R Wilson
- University of North Carolina at Charlotte, Department of Physics and Optical Science, 9201 University City Boulevard, Charlotte, North Carolina 28223, United States
| | - Luke A Hardy
- University of North Carolina at Charlotte, Department of Physics and Optical Science, 9201 University City Boulevard, Charlotte, North Carolina 28223, United States
| | - Joshua D Kennedy
- University of North Carolina at Charlotte, Department of Physics and Optical Science, 9201 University City Boulevard, Charlotte, North Carolina 28223, United States
| | - Pierce B Irby
- Carolinas Medical Center, McKay Department of Urology, 1023 Edgehill Road South, Charlotte, North Carolina 28207, United States
| | - Nathaniel M Fried
- University of North Carolina at Charlotte, Department of Physics and Optical Science, 9201 University City Boulevard, Charlotte, North Carolina 28223, United StatesbCarolinas Medical Center, McKay Department of Urology, 1023 Edgehill Road South, Charlotte
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Kramolowsky E, McDowell Z, Moore B, Booth B, Wood N. Cost Analysis of Flexible Ureteroscope Repairs: Evaluation of 655 Procedures in a Community-Based Practice. J Endourol 2015; 30:254-6. [PMID: 26542761 DOI: 10.1089/end.2015.0642] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
INTRODUCTION The frequency of flexible ureteroscopy has increased with the introduction of improved instrumentation. Ureteroscopes allow increased endoscopic access to the ureter and kidney. However, maintenance and repair of scopes may increase the total procedure expense. METHODS In 3 years (8/2011-7/2014), 655 flexible ureteroscopies were performed at a single-specialty, urology, ambulatory surgery center. Procedures were performed by 26 board-certified urologists using four Olympus URF P5 flexible ureteroscopes. The instruments were handled by a single team and sterilized through the STERIS System E1. Repairs were performed by the manufacturer on an as needed basis. Patient records were reviewed to determine the preoperative diagnosis, operative time, location and size of the stone, and use of laser or ureteral sheath. The occurrence, nature of flexible ureteroscope damage, and cost of repairs were evaluated. RESULTS Of the ureteroscopies performed, 78% was for the treatment of calculi (50.1% in the kidney). Mean stone size was 8.5 ± 0.2 mm, with larger stones (11 mm) located in the kidney. The flexible ureteroscope was advanced over a guidewire (88% of cases); a laser fiber was introduced in 70%, and a ureteral sheath was used in 13.4%. Mean procedure time was 40 minutes. The most common reasons for ureteroscope repair were cloudy lens (16 repairs) and broken optic fibers (9 repairs). There were 31 repairs during the study period (average 21 cases per repair). Flexible ureteroscopes were out of service for an average of 11 days per repair (range 3-20). The total cost of repairs was $233,150 or ∼$7521 per repair. The average repair cost per flexible ureteroscopy performed was $355. CONCLUSIONS Expenses associated with instrument repair can significantly impact a procedure's net revenue, thus efforts should be made to minimize instrument breakage. The expense of repairing a flexible ureteroscope per procedure can be significant and needs to be considered when pricing this procedure.
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Affiliation(s)
| | - Zachary McDowell
- 2 Department of Urology, Baylor College of Medicine , Houston, Texas
| | | | | | - Nada Wood
- 1 Virginia Urology , Richmond, Virginia
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Retrograde intrarenal surgery with holmium-YAG laser lithotripsy in the primary treatment of renal lithiasis. Actas Urol Esp 2015; 39:320-6. [PMID: 25443519 DOI: 10.1016/j.acuro.2014.06.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Accepted: 06/10/2014] [Indexed: 11/22/2022]
Abstract
INTRODUCTION retrograde intrarenal surgery (RIRS) appears as a safe and effective technique as well as a good therapeutic alternative to extracorporeal shock wave lithotripsy (ESWL) and percutaneous nephrolithotomy (PNL). MATERIAL AND METHODS descriptive study in 50 patients surgically treated between November 2012 and April 2013. Demographic, operative and postoperative data as well as early and late complications data were collected. The minimum follow-up of patients was one year. Surgery was performed under general anesthesia. Flexible ureteroscopy with ureteral access sheath and laser fragmentation were employed. Surgery success was defined as stone free rate in postoperative control test and at three months after surgery (simple radiography, abdominal ultrasound or CT without contrast). RESULTS mean age was 51.1±15.5 years old. The highest-frequency location was the lower calyceal group (26%), single stones were described in 58% of patients whilst multiple lithiasis were found in the 42%. Regarding the stone burden in 44% of the patients was low (<2 cm), and high (>3 cm) in 22% of the patients. The stone clearance rate was 89.7±17.5. Average surgery time was 96.6±35.2min. Complications were reported in 4 patients (8%), all of them early ones and minor in nature. CONCLUSIONS RIRS is an effective and safe option whose results are comparable to ESWL and PCNL. RIRS can be considered as first-line treatment. These results are corroborated by numerous studies. To strengthen these findings, prospective studies focusing on quality of life, length of stay, complications and cost-effectiveness of different treatments are needed.
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Flexible ureteroscopy and lasertripsy (FURSL) for paediatric renal calculi: Results from a systematic review. J Pediatr Urol 2015; 11:164. [PMID: 25863676 DOI: 10.1016/j.jpurol.2015.01.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Accepted: 01/15/2015] [Indexed: 11/20/2022]
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Tosoian JJ, Ludwig W, Sopko N, Mullins JK, Matlaga BR. The effect of repair costs on the profitability of a ureteroscopy program. J Endourol 2014; 29:406-9. [PMID: 25286008 DOI: 10.1089/end.2014.0435] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND AND PURPOSE Ureteroscopy (URS) is a common treatment for patients with stone disease. One of the disadvantages of this approach is the great capital expense associated with the purchase and repair of endoscopic equipment. In some cases, these costs can outpace revenues and lead to an unprofitable and unsustainable enterprise. We sought to characterize the profitability of our URS program when accounting for endoscope maintenance and repair costs. MATERIALS AND METHODS We identified all URS cases performed at a single hospital during fiscal year 2013 (FY2013). Charges, collection rates, and fixed and variable costs including annual equipment repair costs were obtained. The net margin and break-even point of URS were derived on a per-case basis. RESULTS For 190 cases performed in FY2013, total endoscope repair costs totaled $115,000, resulting in an average repair cost of $605 per case. The vast majority of cases (94.2%) were conducted in the outpatient setting, which generated a net margin of $659 per case, while inpatient cases yielded a net loss of $455. URS was ultimately associated with a net positive margin approaching $600 per case. On break-even analysis, URS remained profitable until repair costs reached $1200 per case. CONCLUSIONS Based on these findings, an established URS program can sustain profitability even with large equipment repair costs. Nonetheless, our findings serve to emphasize the importance of controlling costs, particularly in the current setting of decreasing reimbursement. A multifaceted approach, based on improving endoscope durability and exploring digital and disposable platforms, will be critical in maintaining the sustainability of URS.
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Affiliation(s)
- Jeffrey J Tosoian
- Department of Urology, The James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine , Johns Hopkins Hospital, Baltimore, Maryland
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