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2015 ; 101
(19
): 1569-76
Nephropedia Template TP
gab.com Text
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English Wikipedia
Outcomes with prolonged clopidogrel therapy after coronary stenting in patients
with chronic kidney disease
#MMPMID26209334
Siddiqi OK
; Smoot KJ
; Dufour AB
; Cho K
; Young M
; Gagnon DR
; Ly S
; Temiyasathit S
; Faxon DP
; Gaziano JM
; Kinlay S
Heart
2015[Oct]; 101
(19
): 1569-76
PMID26209334
show ga
OBJECTIVES: Patients with chronic kidney disease (CKD) are at high risk of death
or myocardial infarction (MI) after percutaneous coronary interventions (PCI). We
assessed whether prolonged dual antiplatelet therapy beyond the recommended
12?months may prevent adverse outcomes in patients with CKD receiving
drug-eluting stents (DES) or bare-metal stents (BMS). METHODS: We studied all
Veterans receiving PCI with BMS or first-generation DES in the Veterans Affairs
(VA) Healthcare System between 2002 and 2006, classified by CKD (estimated
glomerular filtration rate <60?mL/min) or normal renal function. We used landmark
analyses from 12 months after PCI with Cox proportional hazards multivariable and
propensity-adjusted models to assess the effect of prolonged clopidogrel (more
than 12? months) versus 12 months or less after PCI on clinical outcomes from 1
year to 4?years after PCI. RESULTS: Of 23?042 eligible subjects receiving PCI,
4880 (21%) had CKD. Compared with normal renal function, patients with CKD had
higher risks of death or MI 1-4?years after DES (21% vs 12%, HR=1.75; 95% CI 1.51
to 2.04) or BMS (28% vs 15%, HR=2.10; 95% CI 1.90 to 2.32). In patients with CKD
receiving DES, clopidogrel use of more than 12 months after PCI was associated
with lower risks of death or MI (18% vs 24%, HR=0.74; 95% CI 0.58 to 0.95), and
death (15% vs 23%, HR=0.61; 95% CI 0.47 to 0.80), but had no effect on repeat
revascularisation 1-4?years after PCI. CONCLUSIONS: In patients with CKD,
prolonging clopidogrel beyond 12?months after PCI may decrease the risk of death
or MI only in patients receiving first-generation DES. These results support a
patient-tailored approach to prolonging clopidogrel after PCI.