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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Clin+J+Am+Soc+Nephrol
2016 ; 11
(4
): 626-32
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gab.com Text
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English Wikipedia
Association of Performance-Based and Self-Reported Function-Based Definitions of
Frailty with Mortality among Patients Receiving Hemodialysis
#MMPMID26792529
Johansen KL
; Dalrymple LS
; Glidden D
; Delgado C
; Kaysen GA
; Grimes B
; Chertow GM
Clin J Am Soc Nephrol
2016[Apr]; 11
(4
): 626-32
PMID26792529
show ga
BACKGROUND AND OBJECTIVES: Frailty is common among patients on dialysis and
increases vulnerability to dependency and death. DESIGN, SETTING, PARTICIPANTS, &
MEASUREMENTS: We examined the predictive ability of frailty on the basis of
physical performance and self-reported function in participants of a US Renal
Data System special study that enrolled a convenience sample of 771 prevalent
patients on hemodialysis from 14 facilities in the Atlanta and northern
California areas from 2009 to 2011. Performance-based frailty was assessed using
direct measures of grip strength (weakness) and gait speed along with weight
loss, exhaustion, and low physical activity; poor self-reported function was
substituted for weakness and slow gait speed in the self-reported function-based
definition. For both definitions, patients meeting three or more criteria were
considered frail. RESULTS: The mean age of 762 patients included in analyses was
57.1±14.2 years old; 240 patients (31%) met the physical performance-based
definition of frailty, and 396 (52%) met the self-reported function-based
definition. There were 106 deaths during 1.7 (interquartile range, 1.4-2.4) years
of follow-up. After adjusting for demographic and clinical characteristics, the
hazard ratio (HR) for mortality for the performance-based definition (2.16; 95%
confidence interval [95% CI], 1.41 to 3.29) was slightly higher than that of the
self-reported function-based definition (HR, 1.93; 95% CI, 1.24 to 3.00).
Patients who met the self-report-based definition but not the physical
performance definition of frailty (n=192) were not at statistically significantly
higher risk of mortality than those who were not frail by either definition
(n=330; HR, 1.41; 95% CI, 0.81 to 2.45), but those who met both definitions of
frailty (n=204) were at significantly higher risk (HR, 2.46; 95% CI, 1.51 to
4.01). CONCLUSIONS: Frailty, defined using either direct tests of physical
performance or self-reported physical function, was associated with higher
mortality among patients receiving hemodialysis. Future studies are needed to
determine the utility of assessing frailty in clinical practice.