Yinin Hu1, Sarah J Craig2, John C Rowlingson3, Steve P Morton3, Christopher J Thomas2, Matthew B Persinger2, James Isbell4, Christine L Lau2, Benjamin D Kozower5. 1. Department of Surgery, University of Virginia School of Medicine, Charlottesville, VA. 2. Department of Thoracic and Cardiovascular Surgery, University of Virginia School of Medicine, Charlottesville, VA. 3. Department of Anesthesiology, University of Virginia School of Medicine, Charlottesville, VA. 4. Department of Surgery, University of Virginia School of Medicine, Charlottesville, VA; Department of Thoracic and Cardiovascular Surgery, University of Virginia School of Medicine, Charlottesville, VA. 5. Department of Thoracic and Cardiovascular Surgery, University of Virginia School of Medicine, Charlottesville, VA. Electronic address: bdk8g@virginia.edu.
Abstract
OBJECTIVES: To prevent urinary retention, urinary catheters commonly are removed only after thoracic epidural discontinuation after thoracotomy. However, prolonged catheterization increases the risk of infection. The purpose of this study was to determine the rates of urinary retention and catheter-associated infection after early catheter removal. DESIGN: This study described a prospective trial instituting an early urinary catheter removal protocol compared with a historic control group of patients. SETTING: The protocol was instituted at a single, academic thoracic surgery unit. PARTICIPANTS: The study group was comprised of patients undergoing surgery requiring thoracotomy who received an intraoperative epidural for postoperative pain control. INTERVENTIONS: An early urinary catheter removal protocol was instituted prospectively, with all catheters removed on or before postoperative day 2. Urinary retention was determined by bladder ultrasound and treated with recatheterization. MEASUREMENTS AND MAIN RESULTS: The primary outcomes were urinary retention rate, defined as bladder volume>400 mL, and urinary tract infection rate. Results were compared with a retrospective cohort of 210 consecutive patients who underwent surgery before protocol initiation. Among the 101 prospectively enrolled patients, urinary retention rate was higher (26.7% v 12.4%, p = 0.003), while urinary tract infection rate improved moderately (1% v 3.8%, p = 0.280). CONCLUSIONS: Early removal of urinary catheters with thoracic epidurals in place is associated with a high incidence of urinary retention. However, an early catheter removal protocol may play a role in a multifaceted approach to reducing the incidence of catheter-associated urinary tract infections.
OBJECTIVES: To prevent urinary retention, urinary catheters commonly are removed only after thoracic epidural discontinuation after thoracotomy. However, prolonged catheterization increases the risk of infection. The purpose of this study was to determine the rates of urinary retention and catheter-associated infection after early catheter removal. DESIGN: This study described a prospective trial instituting an early urinary catheter removal protocol compared with a historic control group of patients. SETTING: The protocol was instituted at a single, academic thoracic surgery unit. PARTICIPANTS: The study group was comprised of patients undergoing surgery requiring thoracotomy who received an intraoperative epidural for postoperative pain control. INTERVENTIONS: An early urinary catheter removal protocol was instituted prospectively, with all catheters removed on or before postoperative day 2. Urinary retention was determined by bladder ultrasound and treated with recatheterization. MEASUREMENTS AND MAIN RESULTS: The primary outcomes were urinary retention rate, defined as bladder volume>400 mL, and urinary tract infection rate. Results were compared with a retrospective cohort of 210 consecutive patients who underwent surgery before protocol initiation. Among the 101 prospectively enrolled patients, urinary retention rate was higher (26.7% v 12.4%, p = 0.003), while urinary tract infection rate improved moderately (1% v 3.8%, p = 0.280). CONCLUSIONS: Early removal of urinary catheters with thoracic epidurals in place is associated with a high incidence of urinary retention. However, an early catheter removal protocol may play a role in a multifaceted approach to reducing the incidence of catheter-associated urinary tract infections.
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