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  3. Kidney Stones

Kidney Stones

Recruiting

Calcium Supplements Strategy for Kidney Stones Prevention in Crohn's Patients

Hospitalization for kidney stones in the Inflammatory Bowel Disease (IBD) population is common, particularly among Crohn's patients who had a small bowel resection. This patient population experiences a lifetime occurrence of kidney stone formation as high as 25% accompanied with a high rate of recurrence (the typical rate of stone formation is ~10% in the non IBD population). Giving oral calcium is used to bind oxalate in the intestine in an attempt to reduce the amount of oxalate that is absorbed into the body and to reduce urinary oxalate levels.

Status
Recruiting
Principal Investigator
Ben Chew
Body Locations and Systems
Kidney Stones
Crohn's Disease
Area
Vancouver
Age
19 and above

Struvite Antibiotic Study

The aim of this research is to determine an effective antibiotic regimen following definitive surgical therapy of kidney stones caused by bacterial infection (struvite stones).

Status
Recruiting
Principal Investigator
Ben Chew
Body Locations and Systems
Kidney Stones
Area
Vancouver
Age
19 and above

A Randomized Trial of Preoperative Prophylactic Antibiotics Prior to Kidney Stone Surgery (Percutaneous Nephrolithotomy [PCNL])

Percutaneous nephrolithotomy (PCNL) is a surgical procedure that is standard of care for the removal of large kidney stones. PCNL involves removal of the stone(s) from the kidney through a temporary tract that is percutaneously placed through the patient's back during surgery. There is a significant risk of urinary tract infection after PCNL but wide clinical variation in use of prophylactic antibiotics in the days leading up to surgery.

Status
Recruiting
Principal Investigator
Ben Chew
Body Locations and Systems
Kidney Stones
Urinary Tract Infections
Area
Vancouver
Age
18 and above

Urine and Stool Analysis in Kidney Stone Disease

The purpose of this study is to add to the investigators' quest to understanding stone disease, by evaluating the metabolites excretion in urine and its relation to microflora present in the stool.

Status
Recruiting
Principal Investigator
Ben Chew
Body Locations and Systems
Kidney Stones
Area
Vancouver
Age
19-90

Closed for Recruitment

"Dusting" Versus "Basketing" - Treatment Of Intrarenal Stones

The purpose of this study is to evaluate outcomes of an established procedure for treatment of kidney stones that are present within the inner aspect of the kidney. This procedure is called flexible ureteroscopy, which involves placing a small camera through the urethra while anesthetized (asleep), up the ureter (the tube connecting kidney and bladder) and into the kidney to the kidney stone. Then, the stone is broken into tiny fragments using a small laser called a Holmium laser.

Status
Closed for Recruitment
Principal Investigator
Ben Chew
Body Locations and Systems
Kidney Stones
Area
Vancouver
Age
18 and above
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