Search Results
Results 201 - 250 of 1730
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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 ...
Arshadi Hamid - - 2009
INTRODUCTION: 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. MATERIALS AND METHOds: Patients with kidney calculi sized 10 mm to 15 mm who underwent SWL in our center ...
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 ...
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 ...
Andrade Enrico - - 2009
OBJECTIVE: To develop an experimental model in rabbits to analyse the efficiency of extracorporeal shock wave therapy (ESWT) for Peyronie's disease. MATERIALS AND METHODS: We used 15 adult male rabbits divided into three equal groups. In group 1 (no penile ESWT) rabbits had three sessions of ESWT with 2000 shocks ...
Parks Joan H - - 2009
To analyse three outcomes of stone prevention strategies in one clinic devoted to that activity since 1969, i.e. stone recurrence rates, stone-related procedures and 24-h urinary stone risk factor, to assess whether such treatment can be maintained over long periods. We selected 2509 patients with at least one laboratory follow-up ...
Patel Bhavin N - - 2009
Recent investigations have shown increased oxalate excretion in patients in whom kidney stones formed after contemporary bariatric surgery. We determined whether there is an increased prevalence of hyperoxaluria after such procedures performed in nonstone formers. A total of 58 nonstone forming adults who underwent laparoscopic Roux-en-Y (52) or a biliopancreatic ...
Ock Sun-A - - 2008
Bovine oocytes treated using various combinations of 5 muM ionomycin (Ion), 10 microg/ml cycloheximide (CHX) and 5 microg/ml cytochalsin B (CCB) were evaluated to determine developmental rates and ploidy status. The groups were comprised of metaphase II oocytes exposed to Ion for 5 min (Group 1); Ion treatment followed by ...
Gdor Yehoshua - - 2008
PURPOSE: Since the holmium:yttrium-aluminum-garnet (Ho:YAG) laser is the flexible lithotrite of choice for ureteral stones, its application to ureteral strictures associated with ureteral calculi is convenient. The results of Ho:YAG laser endoureterotomy in this specific setting have not been defined. We report our experience with Ho:YAG laser endoureterotomy of ureteral ...
Aghamir Seyed Mohammad Kazem - - 2008
BACKGROUND AND PURPOSE: Stimulation of patient's immune response and therefore increasing inflammatory indices in patients who underwent invasive treatment methods for kidney stone removing can be predictable. In the present study, we tried to evaluate the differences of inflammatory indices in percutaneous nephrolithotomy (PCNL) and compared them with open stone ...
Patel Anup - - 2008
PURPOSE: We tested the hypothesis that lower calyceal (LC) autologous blood clot (ABC) occlusion, after retrograde intra-renal surgery (RIRS) may prevent LC fragment reaccumulation where all fragments cannot be directly removed. METHODS: Over two years, patients with LC stones >6 mm <2 cm, that had presented de-novo or failed primary ...
DeBerardinis Ralph J - - 2008
Cystinuria, an inherited defect of dibasic amino acid transport, causes accumulation of urinary cystine and cystine urolithiasis. In adults penicillamine reduces stone formation but has a high incidence of dose limiting toxicity. We evaluated the effects of penicillamine in preventing stone formation and with respect to toxicity in our cystinuria ...
Makhlouf Antoine A - - 2009
OBJECTIVES: To investigate the hypothesis that extracorporeal shock wave lithotripsy (ESWL) increases the incident risk of new-onset diabetes mellitus (DM). Studies have suggested that ESWL predisposes to DM. METHODS: Using a mail survey, we collected data on the presence and onset of DM in 1947 patients treated with the Medstone-STS ...
Abeysuriya Vasitha - - 2008
INTRODUCTION: In the formation of gallstones, crystal nucleation is a key step, which is followed by precipitation and gradual growth of cholesterol crystals. MATERIALS AND METHODS: A case-control study was carried out among 60 patients (30 patients, 14 males and 16 females, median age of 36 years, range 33-71 years, ...
Hsiao Hsi-Lin - - 2008
The purpose of this study was to investigate the impact of hydronephrosis on the treatment outcome of patients with a solitary proximal ureteral stone after extracorporeal shock wave lithotripsy (ESWL). A total of 182 consecutive patients who underwent ESWL for a solitary proximal ureteral stone of between 5 and 20 ...
Gluck Michael - - 2008
GOALS: The current study presents 1 tertiary endoscopy center's 20-year experience using endoscopic therapy to treat patients with symptomatic primary sclerosing cholangitis (PSC). BACKGROUND: Endoscopic therapy for patients with PSC and dominant strictures has been used for more than 20 years, but there is concern that instrumenting a sclerotic biliary ...
Agarwal Anshuman - - 2008
INTRODUCTION: Ureteropelvic junction (UPJ) obstruction and stones can co exist. Therapeutic controversy exists regarding their ideal management. We present our experience of combining Percutaneous nephrolithotomy (PNL) with laparoscopic pyeloplasty (LP),in patients with UPJ obstruction with multiple secondary, in the same session or staged manner. PATIENTS AND METHOD: From November 2006 ...
Padhye Abhijit S - - 2008
Shock wave lithotripsy (SWL) has been recommended as a first-line treatment for upper ureteric calculi in several studies with a success rate of 80-90%. Our aim is to present our retrospective data of treatment of upper ureteric stones with SWL as primary modality over a 10-year period and evaluate the ...
Mariani Albert J - - 2008
Percutaneous nephrolithotripsy (PCL) is a standard treatment for renal calculi >2 cm. Modern flexible ureteroscopes and accessories employing the complementary effects of electrohydraulic lithotripsy (EHL) and Ho:YAG laser lithotrites can treat these renal calculi in a minimally invasive fashion with similar or superior results. To assess the safety and efficacy ...
Jamshaid Anila - - 2008
OBJECTIVES: This study compared the efficacy and safety profile of electrohydraulic (EH) and electromagnetic (EM) lithotriptors in the treatment of 10- to 20-mm renal and proximal ureteric stones at a single center and by a single operator. METHODS: Between January 2001 and December 2006, we sequentially treated patients meeting study ...
Ugras Murat Y - - 2008
OBJECTIVES: To determine the validity of some criteria that could guide in the decision to cancel or proceed with the second side of planned bilateral simultaneous percutaneous nephrolithotomy (bsPCNL). METHODS: Patients with an indication for bilateral PCNL were enrolled in this study. The operation was stopped at the end of ...
Lee Courtney - - 2008
INTRODUCTION: The purpose of this study was to evaluate the impact of a radiographer's learning curve on extracorporeal shock wave lithotripsy (SWL) efficacy. METHODS: Five registered technologists who were certified to assist in SWL procedures but had no prior lithotripter experience were evaluated during a 4-year period. Stone-free (no residual ...
Aghamir Seyed Mohammad Kazem - - 2008
OBJECTIVES: To assess the outcome and safety of the totally tubeless percutaneous nephrolithotomy in renal anomalies. PATIENTS AND METHODS: During a prospective clinical trial from December 2002 to November 2006, 60 patients with renal anomalies and nephrolithiasis were included in our study. The anomalies consisted of the horseshoe kidney, rotational ...
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