Early referral and its impact on emergent first dialyses, health care costs, and outcome

R J Schmidt, J R Domico, M I Sorkin, G Hobbs
American Journal of Kidney Diseases 1998, 32 (2): 278-83
Early referral (ER) to nephrologists of patients with chronic renal failure was assessed for its impact on the incidence of emergent first dialyses and choice of dialysis modality (hemodialysis [HD] or peritoneal dialysis [PD]), and survival. We reviewed events preceding first dialyses of 238 patients with end-stage renal disease (ESRD) starting dialysis between January 1990 and April 1997, with follow-up extending through November 1997. Patients referred more than 1 month before needing dialysis (early referral [ER]) were compared with patients presenting within 30 days of needing dialysis (late referral [LR]). The need for emergent HD was significantly less among ER (29%) as compared with LR (90%) (P < 0.0001). Initial modality chosen was similar among ER patients (59% for HD v 41% for PD), a finding that contrasts with national percentages, which approximate 85% and 15%, respectively. Whereas most patients had not changed modality at 4 months, significantly more had changed from HD to PD (36 of 160 or 23%) than from PD to HD (7 of 78 or 9%) (P < 0.0001). Despite starting out on HD, ER and LR patients were amenable to ultimately changing to PD. ER and LR groups had similar numbers of Medicaid patients and patients living 1 hour or more distant to tertiary medical care. Furthermore, no difference was observed in the incidence of emergent HD when ER and LR living more than 1 hour away were compared. LR was not associated with lack of insurance or distance from referral site, although these patients more often required emergent HD, with its higher attendant medical care costs. Controlling for age and cause of ESRD, there was no statistically significant difference in long-term survival when ER patients were compared with LR patients or when patients who had received emergent HD were compared with those who had not. Despite the lack of difference in long-term survival, the financial costs of emergent HD alone merit greater promotion of ER and the psychosocial preparation and modality choice it allows.

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