Background. Elderly patients with end-stage renal disease and severe extra-renal comorbidity have a poor prognosis on renal replacement therapy (RRT) and may opt to be managed conservatively (CM). Information on the survival of patients on this mode of therapy is limited.Methods. We studied survival in a large cohort of CM patients in comparison to patients who received RRT.Results. Over an 18-year period, we studied 844 patients, 689 (82%) of whom had been treated by RRT and 155 (18%) were CM. CM patients were older and a greater proportion had high comorbidity. Median survival from entry into stage 5 chronic kidney disease was less in CM than in RRT (21.2 vs 67.1 months: P < 0.001). However, in patients aged > 75 years when corrected for age, high comorbidity and diabetes, the survival advantage from RRT was ~ 4 months, which was not statistically significant. Increasing age, the presence of high comorbidity and the presence of diabetes were independent determinants of poorer survival in RRT patients. In CM patients, however, age > 75 years and female gender independently predicted better survival.Conclusions. In patients aged > 75 years with high extra-renal comorbidity, the survival advantage conferred by RRT over CM is likely to be small. Age > 75 years and female gender predicted better survival in CM patients. The reasons for this are unclear.
Objectives: To study factors influencing the recommendation for palliative (non-dialytic) treatment in patients approaching end-stage renal failure and to study the subsequent outcome in patients choosing not to dialyse. Design: Cohort study of patients approaching end-stage renal failure who underwent multidisciplinary assessment and counselling about treatment options. Recruitment was over 54 months, and follow-up ranged from 3 to 57 months. Groups were defined on the basis of the therapy option recommended (palliative or renal replacement therapy). Setting: Renal unit in a district general hospital serving a population of about 1.15 million people. Subjects: 321 patients, mean age ± SD 61.5 ± 15.4 years (range: 16–92), 57% male, 30% diabetic. Main Outcome Measures: Survival, place of death (hospital or community). Results: Renal replacement therapy was recommended in 258 patients and palliative therapy in 63 (19.6%). By logistic regression analysis, patients recommended for palliative therapy were more functionally impaired (modified Karnofsky scale), older and more likely to have diabetes. The comorbidity severity score was not an independent predictor. Thirty-four patients eventually died during palliative treatment, 26 of whom died of renal failure. Ten patients recommended for palliative treatment opted for and were treated by dialysis. Median survival after dialysis initiation in these patients (8.3 months) was not significantly longer than survival beyond the putative date of dialysis initiation in palliatively treated patients (6.3 months). 65% of deaths occurring in dialysed patients took place in hospital compared with 27% in palliatively treated patients (p = 0.001). Conclusions: In high-risk, highly dependent patients with renal failure, the decision to dialyse or not has little impact on survival. Dialysis in such patients risks unnecessary medicalisation of death.
SummaryBackground and objectives Benefits of dialysis in elderly dependent patients are not clearcut. Some patients forego dialysis, opting for conservative kidney management (CKM). This study prospectively compared quality of life and survival in CKM patients and those opting for dialysis.Design, setting, participants, & measurements Quality-of-life assessments (Short-Form 36, Hospital Anxiety and Depression Scale, and Satisfaction with Life Scale) were performed every 3 months for up to 3 years in patients with advanced, progressive CKD (late stage 4 and stage 5).Results After 3 years, 80 and 44 of 170 patients had started or were planned for hemodialysis (HD) or peritoneal dialysis, respectively; 30 were undergoing CKM; and 16 remained undecided. Mean baseline estimated GFR ± SD was similar (14.0±4.0 ml/min per 1.73 m 2 ) in all groups but was slightly higher in undecided patients. CKM patients were older, more dependent, and more highly comorbid; had poorer physical health; and had higher anxiety levels than the dialysis patients. Mental health, depression, and life satisfaction scores were similar. Multilevel growth models demonstrated no serial change in quality-of-life measures except life satisfaction, which decreased significantly after dialysis initiation and remained stable in CKM. In Cox models controlling for comorbidity, Karnofsky performance scale score, age, physical health score, and propensity score, median survival from recruitment was 1317 days in HD patients (mean of 326 dialysis sessions) and 913 days in CKM patients. ConclusionsPatients choosing CKM maintained quality of life. Adjusted median survival from recruitment was 13 months shorter for CKM patients than HD patients.
The associations demonstrated suggest that residual renal function contributes significantly to outcome in HD patients and that efforts to preserve it are warranted. Comparative outcome studies should be controlled for residual renal function.
Objectives To determine factors influencing survival and need for hospitalisation in patients needing dialysis, and to define the potential basis for rationing access to renal replacement therapy. Design Hospital based cohort study of all patients starting dialysis over a 4 year recruitment period (follow up 15-63 months). Groups were defined on the basis of age, comorbidity, functional status, and whether dialysis initiation was planned or unplanned. Setting Renal unit in a district general hospital, which acts as the main renal referral centre for four other such hospitals and serves a population of about 1.15 million people. Subjects 292 patients, mean age 61.3 years (18-92 years, SD 15.8), of whom 193 (66%) were male, and 59 (20%) were patients with diabetes. Dialysis initiation was planned in 163 (56%) patients and unplanned in 129 (44%). Main outcome measures Overall survival, 1 year survival, and hospitalisation rate. Results Factors affecting survival in the Cox's proportional hazard model were Karnofsky performance score at presentation (hazard ratio 0.979, 95% confidence interval 0.972 to 0.986), comorbidity severity score
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