Active clinical trials for "Calculi"

Choledocholithiasis is identified in approximately 3-10 % of patients with cholelithiasis. (1-3) While laparoscopic cholecystectomy (LC) is considered the treatment of choice in patients with gall bladder stones, there is a debate about the management of common bile duct (CBD) stones, (4) and this has led to a range of therapeutic strategies for the management of concomitant gallstones and CBD stones patients. Two-stage endoscopic management using endoscopic retrograde cholangiopancreatography (ERCP) followed by laparoscopic cholecystectomy is a common approach, although single-stage management by laparoscopic cholecystectomy with surgical exploration of the CBD is an alternative, with the single-stage approach more common in the open surgery era. Currently, it is unclear whether two-stage management is better than or at least equivalent to the single-stage surgical approach to choledocholithiasis. To address this, we undertook this study to compare these two approaches. The aim of this prospective randomized trial was to determine the best technique for the management of patients with concomitant gallstones and common bile duct stones, by comparing the success rate, complication rates, and longer-term follow-up outcomes.

The study compares the use of a dental aerosol box in preventing microbial transmission during dental procedure. Subjects requiring scaling treatment (BPE 2) will be recruited. Subjects will be allocated either into the control group (conventional suction method) or interventional group (dental aerosol box) Treatment will involve scaling of two quadrants, where data collection of the microbes will be taken. Secondary outcome will involve a self-administered questionnaire on patients acceptance over the scaling procedure either with conventional suction or using the dental aerosol box to contain the aerosol generated during the scaling procedure.

This study will be conducted to compare the success and complication rates of ureteroscopy, and shockwaves lithotripsy for treatment of upper ureteric stones ≤1 cm.

Twenty (20) subjects presenting with a renal stone and candidates for FURS (flexible ureteroscopic renal surgery) will undergo a single FURS procedure for a kidney stone as part of the study, using the study device. These subjects will be randomized into stone breaking treatment or stone dusting.

The purpose of this study is to collect, measure, and assess the environmental spatter produced during dental appointments under different isolation methods used in pediatric dentistry, to compare the effectiveness of aerosol reduction between these methods, to identify the most effective way to manage aerosol during dental prophylaxis for pediatric patients and to provide clinical evidence to facilitate practice guidelines in dentistry related to COVID-19.

The management of gallbladder stones (lithiasis) concomitant with bile duct stones is controversial. The management of CBD stones has evolved considerably since the advent of laparoscopic surgery. The more frequent approach is a two-stage procedure, with endoscopic sphincterotomy and stone removal from the bile duct followed by laparoscopic cholecystectomy. The laparoscopic-endoscopic rendezvous combines the two techniques in a single-stage operation. So the aim of this study was was to evaluate one-stage LC with intra-operative endoscopic sphincterotomy (IOES) vs two-stage pre-operative endoscopic sphincterotomy (POES) followed by LC for the treatment of cholecystocholedocholithiasis.

The overall purpose of this study is to evaluate criterion-related validity of a newly-developed disease-specific instrument to assess the health-related quality of life (HRQOL) of patients who have had kidney stones. Specific aims of this study are: Aim 1. Evaluate the population/external validity (generalizability) of the Wisconsin Stone-QOL by answering the question, "Is the Wisconsin Stone-QOL useful for assessing the HRQOL of patients who form kidney stones from a broad region of North America?" Aim 2. Assess the ability of the Wisconsin Stone-QOL to detect changes within patients related to stone interventions and other disease-specific outcomes by answering the question, "Is the Wisconsin Stone-QOL sensitive to changes in stone-related outcomes within individuals?"

comparative study of two treatment modalities (ureteroscopy and extracorporeal shock wave lithotripsy) in management of upper third ureteral calculi

Gallbladder disease is a significant health burden in the developed world and its prevalence has risen by more than 20% in the past three decades In the United States, 20-25 million individuals are affected by gallbladder disease, resulting in an average annual treatment cost of $6.2 billion Obesity, diet, rapid weight loss, metabolic syndrome, and conditions such as cirrhosis, Crohn's disease, irritable bowel syndrome, and gallbladder stasis increase the risk of gallstone formation Surgical removal of the gallbladder, cholecystectomy, is the most recommended treatment for gallbladder disease; however, the procedure increases the risk of non-alcoholic fatty liver disease, cirrhosis and metabolic effects

The study evaluate the damage effect of ESWL and PCNL on kidney tissue by measuring non-coding lnc-RNA profile in urine before and after ESWL and PCNL procedures