Patients with end-stage renal
disease usually require peritoneal dialysis (PD) or hemodialysis (HD). Although
the medical cost of PD is lower than that of HD, the clinical application of PD
is limited. Whether there is a difference in the survival of patients with
end-stage renal disease receiving PD and HD is not clear. To determine if there
is a difference in survival between HD and PD patients, Wong B from the
University of Calgary, Canada, conducted a retrospective cohort study. The
results of the study were published in AJKD.
The researchers selected
2032 ESRD patients who were suitable for HD and PD for treatment from 7 dialysis
centers, comparing the survival of HD (n = 1579) and PD (n = 453) patients. The
median follow-up time was 520 days.
During follow-up, there was no
significant difference in all-cause mortality between HD and PD in patients
>65 years of age. In patients <65 years of age, the risk of death in PD
patients was 40% lower than that in patients receiving HD in the first 3 years
of dialysis.
Excluding patients who were not eligible for PD, further
analysis showed no significant difference in mortality between HD and PD
patients (0.47 vs 0.38) regardless of age.
"At present, there are many
studies on the survival of HD or PD patients, although most studies have shown
no significant differences in mortality between HD and PD patients, but the
study was conducted in patients with appropriate HD and PD, the researchers
said. The deviation is small. When the end-stage renal disease patients who are
suitable for two dialysis treatments cannot make a choice, the results of the
study can be used to guide the decision of the doctor and patient, which is of
clinical significance."
Dr. Simonetta Carla Genovesi from Italy commented
that “the study subjects were suitable for both HD and PD treatments, and the
study bias was reduced as much as possible. The researchers corrected the
confounding factors and found that HD and PD patients had no mortality.
Significant differences are beneficial to patients (no PD contraindications)
free choice for their own dialysis.
However, it should be noted that
compared to other industrialized countries, the Canadian national PD treatment
rate is 22%, about twice that of the United States and Italy (10%). In other
words, the Canadian national PD promotion rate is higher than other countries,
and for those countries that cannot promote PD, the results may not be
meaningful. ”