Search Results
Results 201 - 250 of 1749
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Korkes Fernando - - 2009
Two positions have been reported for ureteroscopy (URS): dorsal lithotomy (DL) position and dorsal lithotomy position with same side leg slightly extended (DLEL). The aim of the present study was to compare the outcomes associated with URS performed with patients in DL vs. DLEL position. A total of 98 patients ...
Honey R J D'A - - 2009
PURPOSE: Recent evidence demonstrates that decreasing shock wave frequency from the previous standard of 120 to 60 shocks per minute results in improved fragmentation of stones located within the renal collecting system. We report the first randomized trial to our knowledge to examine the effect of a slower shock wave ...
Yates D R - - 2009
Percutaneous nephrolithotomy (PCNL) is the first-line treatment for large and complex renal calculi. Accepted UK practice is to insert a nephrostomy tube at the end of the procedure to drain the kidney and reduce potential complications. 'Tubeless' or 'nephrostomy-free' PCNL has been advocated in selected patients as it is thought ...
Hubert Katherine C - - 2009
INTRODUCTION/OBJECTIVE: We examined the potential correlation between Charlson comorbidity index (CCI) and stone free rate after extracorporeal shock wave lithotripsy (ESWL). MATERIALS AND METHODS: Two hundred twenty-six adult patients were treated with 241 ESWL procedures for a renal or ureteral stone(s) over a 3 year period. Age, race, comorbidities, CCI, ...
Istanbulluoglu Mustafa Okan - - 2009
PURPOSE: To evaluate the feasibility and safety of bilateral simultaneous tubeless percutaneous nephrolithotomy (PCNL). PATIENTS AND METHODS: From August 2007 to January 2008, six patients underwent bilateral simultaneous totally tubeless PCNL. Patients who needed more than one access, who had significant intraoperative bleeding, and who had pelvicaliceal system perforations or ...
Hong Young Kwon - - 2009
Ureteroscopic lithotripsy using Swiss Lithoclast was performed in 411 cases from January 1996 to September 2007 in a single hospital. Medical records of 341 cases, in which Swiss Lithoclast was successfully applied, were available for this retrospective study. We used 9.5Fr and 10Fr Storz rigid ureteroscopes. A success was defined ...
Fazil Marickar Y M - - 2009
Various risk indices have been propounded by various authors to assess the severity of stone formation in the human urinary tract. However, most of these indices are laboratory oriented and not feasible to be performed in a hospital setting. Most of these also do not take into consideration all the ...
Han Jimin - - 2009
OBJECTIVES: For frail, elderly patients with large impacted common bile duct (CBD) stones, long-term treatment with biliary stenting provides palliation. Biliary stenting with choleretic agents such as ursodeoxycholic acid (UDCA) and terpene preparations may promote CBD stone size reduction. We studied the effectiveness of biliary stenting combined with UDCA and ...
Fabbri Carlo - - 2009
Endoscopic ultrasonography (EUS) is a minimally invasive diagnostic tool for common bile duct stones (CBDS) and may be used to select patients for therapeutic endoscopic retrograde cholangiography (ERC). The aim of this trial is to compare, in patients with non-high-risk for CDBS, the clinical and economic impact of EUS plus ...
Toomey E Pepper - - 2009
Plantar fasciitis is a common problem without known etiology. It responds well to multiple conservative modalities and no particular modality has been demonstrated to be clearly superior in the treatment of this condition. Over 90% of patients will be cured by non-operative treatment but this may require 6 to 12 ...
Muter Samir A - - 2009
OBJECTIVE: To evaluate the role of mannitol infusion in preventing or ameliorating renal injury that accompanies shock wave lithotripsy as measured by changes in resistive index (RI). METHODS: Between February and September 2006, 38 patients (28 men and 10 women) underwent extracorporeal shock wave lithotripsy (ESWL) for radiologically documented renal ...
Gupta N P NP Department of Urology, All India Institute of Medical Sciences, New Delhi, India. - - 2009
To report our experience of percutaneous nephrolithotomy (PCNL) in patients who were treated previously with open stone surgery. Sixty-six patients with a history of open stone surgery (group 1) were compared with 90 patients without previous surgical intervention (group 2). Both groups were almost similar in demographic profile (age, sex, ...
el-Gamal Osama - - 2009
PURPOSE: We describe an objective method to evaluate kidney stone radiopacity for use in selection of cases suitable for ESWL. MATERIALS AND METHODS: We recruited 76 adult patients with a solitary 1 to 2 cm renal pelvic stone. All patients underwent routine plain x-ray of the urinary tract but an ...
Youssef Ramy F - - 2009
OBJECTIVES: To use a matched-pair analysis design to compare the safety and efficacy of shock wave lithotripsy (SWL) and ureteroscopy (URS). Controversy still exists regarding whether SWL or URS is the best management of upper ureteral calculi. METHODS: We reviewed the records of patients with a single radiopaque upper ureteral ...
Zhang Meng-Yuan - - 2009
BACKGROUND: Tamsulosin, an alpha-1 receptor antagonist, has been demonstrated effective in promoting distal ureteral stone passage and in reducing pain associated with stone expulsion. This study aimed to evaluate the effect of tamsulosin in comparison with nifedipine and extracorporeal shock wave lithotripsy (ESWL) on the expulsion rate of distal ureteral ...
Chichakli Ramsey - - 2009
PURPOSE: To determine the efficacy of a gated and slower shockwave lithotripsy (SWL) vs a nongated and faster SWL delivery with regard to stone fragmentation and clearance using the Medstone STS lithotriptor. PATIENTS AND METHODS: We performed a retrospective chart review of 300 consecutive patients who underwent SWL for renal ...
Hosseini Mohammad Mehdi - - 2009
PURPOSE: To evaluate the safety and efficacy of ultrasound-guided percutaneous nephrolithotomy (PCNL). PATIENTS AND METHODS: Between August 2003 and December 2007, 47 patients were treated, 29 men and 18 women, with a mean age of 33.4 years (range 21-67 yrs) and a mean stone size of 31.5 mm (range 24-46 ...
Nagendra B K C - - 2009
BACKGROUND: Extracorporeal Shock Wave Lithotripsy (ESWL) is a simple and non-invasive technique in which renal and ureteric calculi are pulverised into small fragments by shockwaves and then allowed to pass spontaneously in small fragments along with urine. Effective ESWL requires a co-operative patient who will remain immobilize on the lithotripsy ...
Giusti Guido - - 2009
The objective of this study is to evaluate the safety and outcomes of tubeless PCNL in comparison with standard PCNL. Since June 2002, we have performed 99 tubeless PCNL. Tubeless technique involves antegrade placement of a 6Fr double-J stent without nephrostomy tube at the end of the procedure. This series ...
Eisner Brian H - - 2009
OBJECTIVE: To compare the efficiency of pneumatic lithotripsy with and without the Accordion antiretropulsion device (PercSys, Palo Alto, CA, USA). MATERIALS AND METHODS: The study comprised two in vitro experiments: in experiment 1, 10 trials were conducted using stone phantoms (6 x 6 x 10 mm), placed in a horizontal ...
Argyropoulos A N - - 2009
AIM: To investigate the issue of shockwave lithotripsy failure by studying the effect of machine crossover to the Technomed Sonolith Vision (TSV) lithotriptor in patients with previously unsuccessfully treated renal stones with the Dornier Compact Delta (DCD). Records were examined for the period between 1998 and 2006. Parameters analysed were: ...
Arrabal-Polo Miguel A - - 2009
OBJECTIVE: To analyse the efficiency of extracorporeal shockwave lithotripsy (ESWL) vs retrograde ureteroscopy and holmium:YAG laser lithotripsy, as ESWL is successful in 67-90% of cases but endoscopic lithotripsy with pneumatic lithotrites or lasers is successful in 90-96% of distal ureteric calculi, and holmium:YAG lithotripsy is effective in proximal ureteric calculi. ...
Shah Hemendra - - 2009
OBJECTIVE: To present our experience with 454 patients who had tubeless percutaneous nephrolithotomy (TPCNL) over last 3 years. PATIENTS AND METHODS: From September 2004 to August 2007, all patients aged >14 years and undergoing PCNL were considered for TPCNL. Exclusion criteria were the presence of pyonephrosis, matrix calculi, significant bleeding ...
Aksoy Yilmaz - - 2009
In this study, we aimed to compare the treatment results of two different shock wave lithotripsy (SWL) machines used in the management of pediatric urolithiasis. Between January 1993 and October 2004, Dornier MPL 9000 (electrohydraulic) had been used, and since then Siemens Lithostar Modularis (electromagnetic) has been used. The last ...
Desai Mahesh - - 2009
OBJECTIVE: To review the development of the technique of percutaneous nephrolithotomy (PCNL), for ease of learning and development of instrumentation for staghorn calculi at our centre since 1991, and to assess the results and outcomes. PATIENTS AND METHODS: We retrospectively analysed the hospital records of 773 patients (632 males and ...
Arzoz-Fabregas M - - 2009
PURPOSE: To evaluate the efficacy of extracorporeal shock wave lithotripsy (SWL) on lower calyceal calculi in relation to the renal anatomical factors and determine which of these factors can be used to select patients who will benefit from SWL. MATERIALS AND METHODS: We analyzed retrospectively 78 patients with single radiopaque ...
Mohayuddin Nazim - - 2009
OBJECTIVE: To compare the outcome of Extra corporeal shockwave lithotripsy for a renal pelvic stone with and without JJ stent. METHODS: A comparative cross sectional study was carried out at Sindh Institute of Urology and Transplantation from January 2007 to January 2008. Eighty patients with renal pelvic stone measuring 2cm ...
Ganpule Arvind - - 2009
PURPOSE: To analyze the fate of residual stones after percutaneous nephrolithotomy (PCNL) and identify the factors that predict spontaneous passage. PATIENTS AND METHODS: We retrospectively analyzed the records of 2469 patients who underwent PCNL at our center between January 2000 to January 2008. RESULTS: Residual fragments (RF) were identified in ...
Izamin I - - 2009
Extracorporeal shockwave lithotripsy (ESWL) and ureteroscopy (URS) are two main methods of treating proximal ureteric stones. Success rates and cost-effectiveness of the two methods were compared. A total of 67 patients who underwent treatment between January 2007 and July 2007 at a state general hospital were included in the study. ...
Mustafa Mahmoud - - 2009
OBJECTIVES: To prospectively evaluate the role of double J (DJ) stent in enhancing the passage of fragments in patients undergoing extracorporeal shockwave lithotripsy (SWL) for renal stones with diameters less than 2.5 cm. METHODS: Between November 2005 and January 2007, 38 patients with an average age of 47.05 years (range ...
Sun Xizhao - - 2009
PURPOSE: Naftopidil is a specific alpha1D-adrenergic receptor antagonist. We performed the current randomized, controlled study to determine the expulsive role of naftopidil for distal ureteral stones. MATERIALS AND METHODS: From March 2006 to January 2007, 60 patients with distal ureteral stones were randomly divided into groups 1 and 2. Group ...
Watts Hannah F - - 2010
BACKGROUND: Recent studies suggest that alpha-blockade with tamsulosin may be useful in the treatment of ureterolithiasis by increasing the success of, and decreasing the time to, stone passage. OBJECTIVES: We sought to determine stone passage success rates in patients diagnosed with ureterolithiasis and discharged from our Emergency Department (ED) with ...
Berg Wolfgang - - 2009
The BONN Risk Index (BRI) successfully determines the calcium oxalate (CaOx) crystallization risk from urine samples. The BRI is based on a standardized crystallization test performed on native urine. A BRI-measuring device, the "Urolizer", has been developed, operating automatically and requiring only a minimum of preparative efforts. In this study, ...
Agrawal Madhusudan - - 2009
OBJECTIVES: To study the efficacy of alfuzosin compared with tamsulosin in the management of lower ureteral stones. METHODS: A total of 102 patients with stones <1 cm size and located in the lower ureter were enrolled in the present study and randomized into 3 equal groups. Group 1 patients (n ...
Mokhless Ibrahim A - - 2009
OBJECTIVES: To provide a noninvasive efficient modality for the treatment of radiolucent renal stones in children. Uric acid calculi comprise a significant proportion of urinary stones. METHODS: This study included 24 children (10 girls and 14 boys) with radiolucent renal stones. Of the 24 patients, 5 presented with bilateral renal ...
Artifon Everson L A - - 2009
BACKGROUND: EUS is being increasingly utilized for the diagnosis of choledocholithiasis and microlithiasis, especially in patients with biliary colic. Simultaneously, there is also a rising interest in the use of EUS for therapeutic interventions. OBJECTIVES: Our goal was to assess the effectiveness of EUS-directed common bile duct (CBD) stone removal ...
Porpiglia Francesco - - 2009
OBJECTIVE: To evaluate, in a prospective randomized pilot study, the effectiveness and safety of tamsulosin, administered in patients with distal ureteric stones and who have already undergone an unsuccessful first cycle of medical expulsive therapy (MET). PATIENTS AND METHODS: We evaluated the effectiveness and safety of tamsulosin, administered as a ...
Macreadie Peter I - - 2009
Understanding the consequences of habitat fragmentation has come mostly from comparisons of patchy and continuous habitats. Because fragmentation is a process, it is most accurately studied by actively fragmenting large patches into multiple smaller patches. We fragmented artificial seagrass habitats and evaluated the impacts of fragmentation on fish abundance and ...
Gonen Murat - - 2009
PURPOSE: To evaluate the feasibility and safety of supracostal access in tubeless and stentless percutaneous nephrolithotomy (PCNL). PATIENTS AND METHODS: From March 2005 to June 2007, 10 patients underwent tubeless and stentless PCNL via supracostal access. Patients requiring more than 2 percutaneous tracts, or those with significant intraoperative bleeding were ...
Istanbulluoglu Mustafa Okan - - 2009
OBJECTIVES: Compared with the standard technique, the number of percutaneous nephrolithotomy (PCNL) operations without a drainage catheter is increasing in recent years. In this prospective randomized study, we compared the morbidity of totally tubeless (tubeless and stentless) PCNL operations with the standard operation technique in a single center with a ...
Garg S - - 2009
OBJECTIVES: This study was undertaken to compare the results of laser (Ho:YAG) and pneumatic (ballistic) intracorporeal lithotripsy for ureteric calculi in terms of efficacy, safety and complications. METHODS: 55 patients having ureteric calculus were randomly allocated into pneumatic lithotripsy (PL) and laser lithotripsy (LL) groups. Swiss lithoclast was used for ...
Wang Chung-Jing - - 2009
INTRODUCTION: We assessed the efficacy of using an alpha-1A-specific blocker for improving the success rate in shock wave lithotripsy (SWL) for lower ureteral stones. MATERIALS AND METHODS: This prospective study was conducted from June 2005 to December 2006 and involved 107 patients. All the patients underwent SWL with the PCK ...
Jou Yeong-chin - - 2009
AIM: To evaluate the safety of tubeless percutaneous nephrolithotomy (PCNL) in geriatric patients. MATERIALS AND METHOD: This is a retrospective review of 401 patients who received tubeless PCNL in a single institute. Among these, 50 were performed in patients aged older than 70 years (group 1), while 351 were performed ...
Hur Hoon - - 2009
OBJECTIVE: It has been well established that the long-term prognosis of intrahepatic duct stones (IHDS) is complicated by the late development of biliary cirrhosis with associated intrahepatic cholangiocarcinoma (IHCC). Despite recent improvements in imaging studies, accurate preoperative diagnosis of IHCC is difficult. Therefore, we attempted to elucidate the clinical features ...
Srisubat Attasit - - 2009
Stones in the urinary tract are a common medical problem in the general population. At present, the great expansion in minimally invasive techniques has led to the decrease in open surgery. Extracorporeal shock wave lithotripsy (ESWL) has been introduced as an alternative approach which disintegrates stones in the kidney and ...
Escribano Joaquin - - 2009
Idiopathic hypercalciuria is an inherited metabolic abnormality characterised by excessive amounts of calcium excreted into the urine in patients with normal serum levels of calcium. The morbidity of hypercalciuria is related to kidney stone disease and bone demineralization. In children, hypercalciuria can cause recurrent haematuria, frequency-dysuria syndrome, urinary tract infection ...
Arshadi Hamid H Department of Urology, Children's Medical center, Tehran University of Medical Sciences, Tehran, Iran. - - 2009
Our aim was to assess the accuracy of radiological characteristics observed by the urologist in estimating the success rate of extracorporeal shock wave lithotripsy (SWL) in patients with kidney calculi. Patients with kidney calculi sized 10 mm to 15 mm who underwent SWL in our center were enrolled. One urologist ...
Yuruk Emrah - - 2009
PURPOSE: ESWL and percutaneous nephrolithotomy are the primary treatment modalities for kidney stones. Furthermore, percutaneous nephrolithotomy is first line treatment when ESWL fails. We assessed how previous ESWL affects the performance and outcome of percutaneous nephrolithotomy. MATERIALS AND METHODS: A total of 1,008 patients underwent percutaneous nephrolithotomy between 2002 and ...
Christoforidis Emmanuel - - 2008
BACKGROUND: Little information is available on short and long-term outcome of therapeutic endoscopic retrograde colangiopancreatography (ERCP) for choledocholithiasis in nonagenarians (>=90 years). The aim of this study was to evaluate retrospectively the feasibility of therapeutic ERCP in nonagenarians with choledocholithiasis, as compared with patients aged between 75 and 89 years. ...
Basiri Abbas - - 2008
BACKGROUND AND PURPOSE: Multiple procedures have been introduced for the management of urinary stones in the upper ureter. In this randomized clinical trial, we compared three surgical options in this regard. PATIENTS AND METHODS: From September 2004 to May 2006, we enrolled in the study 150 patients with upper ureteral ...
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