Active clinical trials for "Gallstones"

Participation in this research study does not involve any procedures. Health preference will be ascertained through standard techniques including time-tradeoff, standard gamble, and rating scale to assess risks regarding potential complications specific to NOTES (Natural Orifice Translumenal Endoscopic Surgery)gallbladder removal.

This is a study of the inflammatory reaction in standard 4 port laparoscopic cholecystectomy vs Single Port Laparoscopic (SIL) cholecystectomy. It is assumed that the reduced trauma in SIL Cholecystectomy causes reduced inflammatory reaction compared to the 4 port laparoscopic cholecystectomy.

Study of Oxidative Stress Markers in order to assess whether there are differences between standard laparoscopic cholecystectomy vs single port cholecystectomy for uncomplicated cholelithiasis

One of the new methods for management of common bile duct stones is intraoperative endoscopic sphincterotomy. It can be performed by many techniques. In the study the investigators compare two methods to find out the best technique for intraoperative endoscopic sphincterotomy.

Transvaginal hybrid procedures especially the transvaginal hybrid cholecystectomy are of interest as an available NOTES-Procedure for the clinical routine. Few authors have demonstrated the feasibility and safety in a selected patient collective. The aim of this prospective data collection is to evaluate the feasibility in the clinical routine in a non select patient collective. Therefore all patients giving the informed consent to the transvaginal hybrid cholecystectomy will be included and assessed concerning feasibility to perform the transvaginal approach and complete the operation transvaginally.

Cholesterolosis is a common finding in biopsy specimens of gallbladders surgically removed for cholelithiasis. To the best of the investigators knowledge no study has analyzed the relationships of Body Mass Index, serum Cholesterol and Triglycerides and gallbladder cholesterolosis. The purpose of this study is to analyze and find relations between gallbladder cholesterolosis, Body Mass Index, serum cholesterol and triglycerides.

Being able to predict the difficulty of a preoperatively can increase safety and improve results. However, a consensus must be reached regarding the definition of a cholecystectomy as "difficult". The aim of this study is to achieve a national expert consensus. Methods A Delphi study was conducted. Based on the literature, a history of biliary pathology, preoperative clinical, analytical, and radiological data, and intraoperative findings were selected and rated on a Likert scale. Inter-rater agreement was defined as "unanimous" when 100% of the participants gave an item the same the Likert scale rating; as "consensus" when ≥80% agreed; as "majority" when the agreement was ≥70%.

Rationale: Several clinical feasibility studies have shown the potential benefit of near-infrared fluorescence (NIRF) imaging using indocyanine green (ICG) for enhanced and earlier biliary anatomy visualization during laparoscopic cholecystectomy with the aim to reduce the number of vascular and biliary injuries. Although the incidence of injuries is low (0.7%), the impact on patients in terms of morbidity, quality of life and costs are dramatic. The Critical View of Safety (CVS) technique is regarded as the safety valve in conventional laparoscopic cholecystectomy (CLC). It is hypothesized that standard application of near-infrared fluorescence imaging during laparoscopic cholecystectomy can be useful to obtain establishment of CVS (at least 5 minutes) earlier and with more certainty regarding visualization when compared to conventional laparoscopic imaging alone. Study design: A multicenter randomized controlled trial with two study arms. Patients scheduled for an elective laparoscopic cholecystectomy will be recruited and randomized at the outpatient clinic (n = 308 total). One group will undergo near-infrared fluorescence cholangiography assisted laparoscopic cholecystectomy (NIRF-LC) and the other group will undergo conventional laparoscopic cholecystectomy (CLC). Compared with standard care, patients in the NIRF-LC group have to receive one preoperative intravenous injection of ICG. This is the only additional minimally invasive action for the patient. Initially, patients participating in this study will not benefit from the application of NIRFC during the surgical procedure. The administration of ICG and the modified laparoscope itself are not related with any kind of additional risk for the patient. Despite the encouraging results from several (pre)clinical feasibility studies, wide clinical acceptance of the routine use of ICG fluorescence laparoscopy is still lacking due to the absence of reliable and validated clinical data. A randomized clinical study is desirable to assess the potential added value of the NIRF imaging technique during laparoscopic cholecystectomy. Strong evidence in favor of routine implementation of this new imaging technique during laparoscopic cholecystectomy, will probably lead to worldwide routine application of the NIRF technique. Therewith long term sustainability of this research project is guaranteed.

Morbid obesity has become a major global health problem, and the use of bariatric surgery is increasing. One common complication seen following bariatric surgery is the formation of gallstones. Contributing factors to gallstone formation include hypomotility of gall bladder and supersaturation of bile due to rapid weight loss and mobilization of cholesterol. Previous studies revealed oral probiotics could reduce the cholesterol level by as much as 22% to 33%. The possible mechanisms included bile salt hydrolase activity, assimilation of cholesterol by the bacteria, binding of cholesterol to the bacterial cell wall and physiological actions of the end products of short chain fatty acid fermentation. Therefore, the aim of this study was to determine the ability of probiotics to prevent gallstones formation after bariatric surgery and to evaluate the impact of oral administration of probiotics on the post bariatric surgery patients 's quality of life. Gastrointestinal Quality of Life Index is a widely accepted questionnaire for evaluating the quality of life for patients receiving bariatric surgery. It consists of five domains: digestive symptoms; physical function; emotional condition; social condition and effect of medical treatment, which could access the quality of life of bariatric patient effectively and completely.

110 patients with common bile duct (CBD) stones and had one or more anther preoperative predictors for high risk for difficult cholecystectomy admitted to departement of surgery of Minia university hospital for ERCP then laparoscopic cholecystectomy (LC). the patient divided into 2 equal group. in group 1, nasobiliary (NB) catheter was inserted during ERCP after CBD clearance. In group 2, only CBD clearance was done. In all patients LC was done within the same week of ERCP. Tans-nasobiliary Intraoperative cholangiography was done and methylene blue injected at the end of the procedure to detected any leak in NB group