The PIE Device is easy, safe, and effective based on the studies below. Our current patients have been happily using the PIE Device for an average of 9.3 years. Studies and Research Long-term safety of pulsed irrigation evacuation (PIE) use with chronic bowel conditions Cleveland Clinic Per-rectal pulsed irrigation versus per-oral colonic lavage for colonoscopy preparation: a randomized, controlled trial Veterans Affairs (Long Beach) and University of California, Irvine Treatment of fecal impaction with pulsed irrigation enhanced evacuation University of Illinois College of Medicine at Chicago Pulsed irrigation enhanced evacuation: New method for treating fecal impaction Hillside Rehabilitation Hospital New treatment for rectal impaction in children: an efficacy, comfort, and safety trial of the pulsed-irrigation enhanced-evacuation procedure Baylor College of Medicine Dissolution of a barium impaction ileus in a child using the PIEE procedure Baylor College of Medicine Use of pulsed irrigation evacuation in the management of the neuropathic bowel Hillside Rehabilitation Hospital Comparison between PIE evacuation and PGL solution for bowel preparation prior to elective colonoscopy in veterans with spinal cord injury Icahn School of Medicine at Mount Sinai