Abstract:
PURPOSE:To investigate prospectively the benefits of three-dimensional stereolithographic biomodeling produced from CT data as an aid to achieving optimal access for percutaneous nephrolithotripsy (PCNL). PATIENTS AND METHODS:Eight patients with complex urinary calculi were selected. Multislice CT scans of the kidney in native and excretory phases were acquired with the patient in the prone position to simulate the position during surgery. Contiguous reconstructed slices were produced from the data volume. The data of interest were processed to transform them into a format acceptable for production of a biomodel. Exact plastic replicas of the pelvicaliceal system and the calculi were created and used for morphologic assessment, preoperative planning, patient education, and surgical navigation. RESULTS:The survey results were based on subjective opinions rather than objective data. The biomodels enhanced the ability to visualize a patient's unique anatomy before surgery. This aided the planning and rehearsal of endourologic procedures. CONCLUSION:Although this study is only a preliminary investigation, we postulate that biomodeling has the advantage of allowing imaging data to be displayed in a physical form. In difficult cases, this technique may improve treatment, operative planning, and communication with colleagues and patients. The limitations of the technology include the manufacturing time and cost, but more accurate puncture-site selection may reduce costs by saving operating time.
journal_name
J Endouroljournal_title
Journal of endourologyauthors
Radecka E,Brehmer M,Holmgren K,Palm G,Magnusson P,Magnusson Adoi
10.1089/end.2006.20.92subject
Has Abstractpub_date
2006-02-01 00:00:00pages
92-101issue
2eissn
0892-7790issn
1557-900Xjournal_volume
20pub_type
杂志文章abstract::Port placement for robot-assisted laparoscopic urologic surgery can be critical to effective completion of the minimally invasive procedure. An ideal port template would allow unhampered access to all critical structures during surgery, easy access for the bedside assistant, and minimization of arm collision with the ...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2017.0578
更新日期:2017-12-01 00:00:00
abstract::This review focuses on the biomaterials used in urology, in particular, the properties of urethral catheters and ureteral stents currently being used in clinical practice. The importance of biomaterial type, biocompatibility, and encrustations are discussed and explained. Current management of bacterial infection and ...
journal_title:Journal of endourology
pub_type: 杂志文章,评审
doi:10.1089/end.1998.12.493
更新日期:1998-12-01 00:00:00
abstract::One of the most significant developments in imaging technology has been the process of digitalization. By incorporating currently available digital imaging equipment into surgical practice, urologists can be assured of obtaining real-time video images with optimal clarity and detail. In addition, one can efficiently c...
journal_title:Journal of endourology
pub_type: 杂志文章,评审
doi:10.1089/08927790150500953
更新日期:2001-02-01 00:00:00
abstract::The UroLume endoprosthesis has been used for recurrent bulbar urethral strictures, benign prostatic hyperplasia, and detrusor-external sphincter dyssynergia. Complications of the UroLume have been described by the North American Multicenter Trial as migration, encrustation, hyperplastic tissue growth, in addition to p...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.1998.12.385
更新日期:1998-08-01 00:00:00
abstract:PURPOSE:To determine the feasibility of retrograde endoscopy after radical retropubic prostatectomy (RRP) and its effects on post-prostatectomy continence. PATIENTS AND METHODS:We retrospectively reviewed all patients who underwent RRP at our institution between 1999 and 2005, identifying those who subsequently requir...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2006.0131
更新日期:2007-02-01 00:00:00
abstract:PURPOSE:To examine the effects of antibiotic prophylaxis on postoperative infection rate in patients with negative urine cultures undergoing ureteroscopy (URS). PATIENTS AND METHODS:Using the Clinical Research Office of the Endourological Society (CROES) URS Global Study database, patients with a negative baseline uri...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2014.0470
更新日期:2015-02-01 00:00:00
abstract:INTRODUCTION:The impact of intrafascial versus interfascial nerve sparing during radical prostatectomy on oncologic and postoperative outcome is still controversial. This manuscript compares the outcomes of intrafascial versus interfascial techniques of nerve sparing used during robot-assisted laparoscopic radical pros...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2009.0369
更新日期:2009-09-01 00:00:00
abstract:BACKGROUND AND PURPOSE:Performance of laparoscopic surgery requires adequate hand-eye coordination. Video games are an effective way to judge one's hand-eye coordination, and practicing these games may improve one's skills. Our goal was to see if there is a correlation between skill in video games and skill in laparosc...
journal_title:Journal of endourology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1089/end.2005.19.372
更新日期:2005-04-01 00:00:00
abstract:PURPOSE:Percutaneous stone surgery can be challenging in spina bifida (SB) patients due to their body habitus and spinal cord anomalies. A safe surgical approach may necessitate acceptance of lower stone-free (SF) rates. We seek to determine if anatomic complexity, as measured by spinal cord curvature and torso length,...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2016.0769
更新日期:2017-04-01 00:00:00
abstract:PURPOSE:To describe the surgical technique of robot-assisted sacral colpopexy (RASCP) and to assess its feasibility and safety in a high-volume laparoscopic center. PATIENT AND METHODS:12 women with symptomatic urogenital prolapse with or without concomitant urinary stress incontinence were treated with RASCP by one s...
journal_title:Journal of endourology
pub_type: 临床试验,杂志文章
doi:10.1089/end.2010.0160
更新日期:2010-12-01 00:00:00
abstract:BACKGROUND AND PURPOSE:Robotic prostatectomy is exploding into popular utilization throughout much of the United States. It is expected that the rise in the number of these cases into 2006 will continue exponentially. A significant amount of research has begun to focus on the anastomosis, because the robot allows unpre...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2007.9913
更新日期:2007-10-01 00:00:00
abstract:BACKGROUND:Although more than a decade of experience with laparoscopic radical nephrectomy indicates it is an alternative to open surgery for localized renal-cell carcinoma (RCC), the long-term oncologic effectiveness of this procedure remains to be established. MATERIALS AND METHODS:A thorough MEDLINE and PubMed lite...
journal_title:Journal of endourology
pub_type: 杂志文章,评审
doi:10.1089/end.2005.19.628
更新日期:2005-07-01 00:00:00
abstract:BACKGROUND AND PURPOSE:The centrality-index (C-Index), preoperative aspects and dimensions used for anatomic (P.A.D.U.A.) classification, and radius.exophyic/endophytic.nearness.anterior/posterior.location (R.E.N.A.L.) nephrometry schemes were developed as standardized scoring systems (SS) to quantify anatomic characte...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2011.0301
更新日期:2011-12-01 00:00:00
abstract:PURPOSE:To review the management approach to and results of severely encrusted retained ureteral stents and analyze predictive risk factors. PATIENTS AND METHODS:Medical records from January 1996 to March 2006 were reviewed for Double-J stent complications and their final outcome. A total of 876 stents were inserted i...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2006.0250
更新日期:2007-06-01 00:00:00
abstract::To assess the durability of the results of transurethral microwave thermotherapy (TUMT) for symptomatic benign prostatic hyperplasia (BPH), we have reviewed publications describing trials with at least 3 years of follow-up. For men treated only by TUMT, improvement in symptoms and quality of life appears to be maintai...
journal_title:Journal of endourology
pub_type: 杂志文章,meta分析
doi:10.1089/end.2000.14.671
更新日期:2000-10-01 00:00:00
abstract::Small renal lesions often confer relatively low oncologic risk and, as such, dictate for treatment strategies with low morbidity. Minimally invasive ablative techniques have been developed and can deliver good outcomes where used judiciously. The potential risks of treatment relate to the method of ablation, the route...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2009.0542
更新日期:2010-05-01 00:00:00
abstract:PURPOSE:We describe a technique for safely accessing an upper pole calix through a 9th or 10th intercostal puncture. PATIENTS AND METHODS:A 9th or 10th intercostal access was used for percutaneous nephrolithotomy (PCNL) in nine patients. Thoracoscopy via the 5th or 6th intercostal space was used to ensure safe passage...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/089277901750426337
更新日期:2001-08-01 00:00:00
abstract:BACKGROUND AND PURPOSE:Laparoscopic inguinal hernia repair has become a frequently performed procedure. It is thus inevitable that some candidates for radical prostatectomy for prostatic carcinoma will have undergone such previous intervention. Mesh placement in the space of Retzius as performed in laparoscopic hernia ...
journal_title:Journal of endourology
pub_type: 杂志文章,meta分析,评审
doi:10.1089/end.2012.0285
更新日期:2012-11-01 00:00:00
abstract::We report the ureteroscopic unroofing of a symptomatic peripelvic cyst with a holmium laser in a 37-year-old woman. At 1-year follow-up, the patient remains symptom free. Endoscopic management of peripelvic cysts is durable and can be performed safely. ...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2006.0469
更新日期:2007-12-01 00:00:00
abstract:PURPOSE:Robot-assisted laparoscopic prostatectomy (RALP) is an increasingly popular treatment choice among men with clinically localized prostate cancer and has resulted in the need to adequately train urologists to perform the procedure. We reviewed the City of Hope experience to determine if the extent of fellow invo...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2008.0378
更新日期:2009-02-01 00:00:00
abstract:PURPOSE:This study aims to provide an overview of type and frequency of musculoskeletal complaints among urologists. In addition, the urologists' knowledge about ergonomic conditions during minimally invasive urology was assessed, and they were asked how they would prefer to gain knowledge about this topic. MATERIALS ...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2013.0654
更新日期:2014-05-01 00:00:00
abstract:BACKGROUND AND PURPOSE:Oxalobacter formigenes is an anaerobic commensal colonic bacterium capable of degrading oxalate through the enzyme oxalyl-CoA decarboxylase. It has been theorized that individuals who lack this bacterium have higher intestinal oxalate absorption, leading to a higher urinary oxalate concentration ...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/089277903321618743
更新日期:2003-04-01 00:00:00
abstract:PURPOSE:We present our experience in the design and development of a training program in laparoscopic radical prostatectomy (LRP), and the validation of the first steps of the program by objective measurement of the attendants' skills improvement and subjective evaluation of its contents. MATERIALS AND METHODS:Our tra...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2014.0050
更新日期:2014-07-01 00:00:00
abstract:PURPOSE:To evaluate forces exerted on a stone with different ureteroscopic irrigation systems that could impact stone migration during ureteroscopy. MATERIALS AND METHODS:A 3-mm steel simulated stone was welded to a 3F stone basket. The basket wire was then backloaded into the working channel of a 4.5F Wolf semirigid ...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2007.0260
更新日期:2008-03-01 00:00:00
abstract::Renal excursion during breathing is inevitable and is a cause of poor localization during extracorporeal shock-wave lithotripsy (SWL), which in theory might lead to poor treatment results. Eighty-one patients underwent lithotripsy treatment with and without the use of an image enhancement system designed for use with ...
journal_title:Journal of endourology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1089/end.1996.10.335
更新日期:1996-08-01 00:00:00
abstract:PURPOSE:We evaluated the collagen content and differentiation of the ureteropelvic junction (UPJ) of patients who underwent Anderson-Hynes dismembered pyeloplasty after failure of antegrade endopyelotomy. MATERIALS AND METHODS:A total of 12 UPJ obstructions were examined more than 12 months after endopyelotomy with bo...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2006.9996
更新日期:2007-01-01 00:00:00
abstract:PURPOSE:To review the success rate and complications of radiologically guided percutaneous nephrostomies (PCNs) performed by urologists and compare the complication rates with the standards recommended by the Society of Interventional Radiology (SIR) and the American College of Radiology (ACR). PATIENTS AND METHODS:Fr...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2006.0281
更新日期:2007-07-01 00:00:00
abstract::Five patients with major (Grade IV) renal trauma required ureteral stent placement to facilitate urinary drainage. Three of these patients had stents placed for recurrent gross hematuria with flank pain. All three had obstructing blood clots present at the time of stent placement. The fourth patient had a stent placed...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.1998.12.545
更新日期:1998-12-01 00:00:00
abstract:PURPOSE:To construct, train, and apply an artificial neural network (ANN) system for prediction of different outcome variables of percutaneous nephrolithotomy (PCNL). We calculated predictive accuracy, sensitivity, and precision for each outcome variable. METHODS:During the study period, all adult patients who underwe...
journal_title:Journal of endourology
pub_type: 杂志文章
doi:10.1089/end.2016.0791
更新日期:2017-05-01 00:00:00
abstract::Extracorporal shockwave lithotripsy of lower caliceal stones is often unrewarding because of the difficulty of passing stone fragments. We report our results in SWL of lower pole stones in 219 patients and compare them with the results of SWL of middle (82 patients) and upper pole (85 patients) stones. The stone-free ...
journal_title:Journal of endourology
pub_type: 临床试验,杂志文章
doi:10.1089/end.1995.9.439
更新日期:1995-12-01 00:00:00