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BackgroundDialysis is a life-sustaining treatment, but many patients suffer symptoms during dialysis and take time to recover. Previous reports have linked recovery time to intra-dialytic hypotension and rapid solute clearances, whereas others have reported an association with psychological factors. As such, we wished to investigate which factors were important in determining symptom self-reporting and delayed recovery times.MethodsWe recorded self-reported patient intra-dialytic symptoms, recovery times along with sessional dialysis prescriptions, blood pressure and urea clearance, and distress thermometer scores to assess psychological factors.FindingsSix hundred twenty-three dialysis patients were studied; 621 treated by haemodiafiltration, 60.8% male, mean age 64.5 ± 16.2 years, and 46.1% diabetic. Almost half (49.6%) reported recovery within 1 h. On multivariate analysis, patient self-reported symptom scores were associated with longer post-dialysis recovery times (odds ratio (OR) 1.61, 95% confidence limits (CL) 1.33–1.95), higher distress thermometer scores (OR 1.3 CL (1.3–1.39), but lower hand grip strength (OR 0.85 CL (0.93–0.94), all p < 0.001, and younger rather than older patients (OR 0.98 CL (0.97–0.99) p = 0.005. We found no association with ultrafiltration rates or weight loss.DiscussionCompared to earlier studies, our patients treated by haemodiafiltration reported fewer symptoms and shorter recovery times. Patients with higher self-reported distress thermometer scores had both longer post-dialysis recovery times and greater dialysis symptom scores. Younger patients reported more dialysis symptoms and longer recovery times than older patients. Future studies investigating patient self-reported recovery times and dialysis-associated symptoms should also consider interventions to reduce patient psychological factors as well as dialysis practices.

Patient-reported intra-dialytic symptoms and post-dialysis recovery times are influenced by psychological distress rather than dialysis prescription