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An Investigation of Satellite Hemodialysis Fallbacks in the Province of Ontario

Robert M. Lindsay^*, Janet Hux, David Holland, Steven Nadler, Robert Richardson^||, Charmaine Lok, Louise Moist^*, and David Churchill^¶

^* The University of Western Ontario and London Health Sciences Centre, London, Ontario, Canada; Institute for Clinical Evaluative Studies, Toronto, Ontario, Canada; Queen's University and, Kingston General Hospital, Kingston, Ontario, Canada; The University of Ottawa and Ottawa Hospital, Ottawa, Ontario, Canada; ^|| The University of Toronto and The University Health Network, Toronto, Ontario, Canada; and ^¶ McMaster University and St. Joseph's Hospital, Hamilton, Ontario, Canada

Correspondence: Robert M. Lindsay, Victoria Hospital, London Health Sciences Centre, Room A2-345, 800 Commissioners Road East, London, Ontario, Canada, N6A 4G5. Phone: 519-685-8349; Fax: 519-685-8395; E-mail: Robert.lindsay{at}lhsc.on.ca

Background and objectives: In Ontario, Canada, hemodialysis services are organized in a "hub and spoke" model comprised of regional centers (hubs), satellites, and independent health facilities (IHFs; spokes). Rarely is a nephrologist on site when dialysis treatments take place at satellite units or IHFs. Situations occur that require transfer of the patient back ("fallbacks") to the regional center that necessitate either in- or outpatient care. Growth in the satellite dialysis population has led to an increased burden on the regional centers. This study was carried out to determine the incidence, nature, and outcome of such fallbacks to aid resource planning.

Design, setting, participants, & measurements: Data were collected on 565 patients from five regional centers over 1 yr. These regional centers controlled 19 satellite dialysis centers including 7 IHFs.

Results: There were 681 fallbacks in 328 patients: 1.21 incidents per patient or 2.1 incidents per patient year. Multiple fallbacks occurred in 170 patients. Fallback episodes lasted a mean of 10.3 d, requiring 4.6 dialysis treatments. Forty-five percent of fallbacks required hospitalization with a mean stay of 16.7 d. Access-related problems (33%) and nondialysis medical causes (32%) were the major causes of fallback. Resolution of the problem occurred in 87.8%, with the patient returning to the satellite. By the end of the study 77.3% were still satellite patients, 10.8% died, 3.8% returned to the regional center, 3.4% were transplanted, and 4.7% were transferred to other treatment modalities.

Conclusions: Fallbacks are common, yet the model operates well.

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Satellite Dialysis in Ontario

David C. Mendelssohn
Clin. J. Am. Soc. Nephrol. 2009 4: 523-524. [Full Text] [PDF]