Smith, J. R., Zimmer, N., Bell, E., Francq, B. G., McConnachie, A. and Mactier, R. (2016) A randomized, single-blind, crossover trial of recovery time in high-flux hemodialysis and hemodiafiltration. American Journal of Kidney Diseases, (doi: 10.1053/j.ajkd.2016.10.025) (PMID:28024931)
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Abstract
Background: The choice between hemodiafiltration (HDF) or high-flux hemodialysis (HD) to treat end-stage kidney disease remains a matter of debate. The duration of recovery time after treatment has been associated with mortality, affects quality of life, and may therefore be important in informing patient choice. We aimed to establish whether recovery time is influenced by treatment with HDF or HD. Study Design: Randomized patient-blinded crossover trial. Settings & Participants: 100 patients with end-stage kidney disease were enrolled from 2 satellite dialysis units in Glasgow, United Kingdom. Intervention: 8 weeks of HD followed by 8 weeks of online postdilution HDF or vice versa. Outcomes: Posttreatment recovery time, symptomatic hypotension events, dialysis circuit clotting events, and biochemical parameters. Measurements: Patient-reported recovery time in minutes, incidence of adverse events during treatments, hematology and biochemistry results, quality-of-life questionnaire. Results: There was no overall difference in recovery time between treatments (medians for HDF vs HD of 47.5 [IQR, 0-240] vs 30 [IQR, 0-210] minutes, respectively; P = 0.9). During HDF treatment, there were significant increases in rates of symptomatic hypotension (8.0% in HDF vs 5.3% in HD; relative risk [RR], 1.52; 95% CI, 1.2-1.9; P < 0.001) and intradialytic tendency to clotting (1.8% in HDF vs 0.7% in HD; RR, 2.7; 95% CI, 1.5-5.0; P = 0.002). Serum albumin level was significantly lower during HDF (3.2 vs 3.3 g/dL; P < 0.001). Health-related quality-of-life scores were equivalent. Limitations: Single center; mean achieved HDF convection volume, 20.6 L. Conclusions: Patients blinded to whether they were receiving HD or HDF in a randomized controlled crossover study reported similar posttreatment recovery times and health-related quality-of-life scores.
| Item Type: | Articles |
|---|---|
| Additional Information: | Financial support for this study was provided by the Glasgow Renal and Transplant Unit Research Fund. Dr Smith is currently funded by the Wellcome Trust (ref: 104366/Z/14/Z). |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | McConnachie, Professor Alex and Francq, Dr Bernard and MacTier, Dr Robert |
| Authors: | Smith, J. R., Zimmer, N., Bell, E., Francq, B. G., McConnachie, A., and Mactier, R. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Health & Wellbeing > Robertson Centre College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing |
| Journal Name: | American Journal of Kidney Diseases |
| Publisher: | Elsevier |
| ISSN: | 0272-6386 |
| ISSN (Online): | 1523-6838 |
| Published Online: | 23 December 2016 |
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