Relationship Between Urinary Tract Infection and Self-Retaining Double-J Catheter Colonization Klis R et al. - The only significant correlation was noted between urine culture and stenting duration. Double-J catheter retention in the urinary tract is associated with a high risk of bacterial colonization, while the risk of urine infection is about fourfold lower. There is a great discrepancy between urine and catheter cultures. [more...]