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Association between glomerular filtration rate and adverse drug reactions in elderly hospitalized patients: the role of the estimating equation.

Abstract：

BACKGROUND:Reduced renal function increases the risk of adverse drug reactions (ADRs) to hydrosoluble drugs (hADRs). However, the ability of different equations to calculate estimated glomerular filtration rate (eGFR) or estimated creatinine clearance (eCCr) and thereby predict the risk of developing hADRs has not previously been compared. OBJECTIVE:The aim of this study was to investigate which of three different equations for estimating renal function (Cockcroft-Gault [CG], Modification of Diet in Renal Disease [MDRD] and Chronic Kidney Disease Epidemiology Collaboration [CKD-EPI]) was the most effective at predicting incident hADRs. METHODS:This multicentre study had an observational design and included 81 acute-care general (internal) or geriatric medicine wards in academic hospitals throughout Italy. Our series consisted of 10,442 hospitalized patients with a mean ± SD age of 70.2 ± 14.9 years enrolled in the GIFA study. The main outcome measures were incident ADRs during hospital stay. Data on these were collected and classified as hADRs or ADRs to liposoluble drugs (lADRs). Patients were grouped according to their eGFR (mL/min/1.73 m²) or eCCr (mL/min): ≥90, 60-89.9, 45-59.9, 30-44.9 or <30. RESULTS:The multivariable adjusted risk of hADRs progressively increased with decreasing eGFR as determined by estimates of mL/min/1.73 m² calculated using CKD-EPI (60-89.9: hazard ratio [HR]=1.07 [95% CI 0.70, 1.72]; 45-59.9: HR=1.62 [95% CI 1.0, 2.69]; 30-44.9: HR=2.13 [95% CI 1.24, 3.64]; <30: HR=2.30 [95% CI 1.28, 4.14]) and, to a lesser extent, MDRD (60-89.9: HR=1.15 [95% CI 0.75, 1.76]; 45-59.9: HR=1.73 [95% CI 1.09, 2.73]; 30-44.9: HR=2.14 [95% CI 1.30, 3.53]; <30: HR=1.99 [95% CI 1.11, 3.57]) equations. The risk of hADRs also increased with lower eCCr, but only at CG eCCr <45 mL/min (30-44.9: HR=1.61 [95% CI 0.96, 2.77]; <30: HR=1.76 [95% CI 1.0, 3.18]). Neither eGFR nor eCCr were associated with lADRs. CONCLUSIONS:CKD-EPI-based estimates of eGFR outperformed MDRD-based estimates of eGFR and CG-based estimates of eCCr as a predictor of hADRs.

journal_name

Drugs Aging

journal_title

Drugs & aging

authors

Corsonello A,Pedone C,Lattanzio F,Onder G,Antonelli Incalzi R,Gruppo Italiano di Farmacovigilanza nell'Anziano (GIFA).

doi

10.2165/11588280-000000000-00000

subject

Has Abstract

pub_date

2011-05-01 00:00:00

pages

379-90

issue

eissn

1170-229X

issn

1179-1969

pii

journal_volume

pub_type

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Association between glomerular filtration rate and adverse drug reactions in elderly hospitalized patients: the role of the estimating equation.