Emergency re-admissions to hospital due to adverse drug reactions within 1 year of the index admission

被引:90
作者
Davies, Emma C. [1 ,2 ]
Green, Christopher F. [3 ]
Mottram, David R. [2 ]
Rowe, Philip H. [2 ]
Pirmohamed, Munir [4 ]
机构
[1] Royal Liverpool & Broadgreen Univ Hosp Trust, Liverpool L7 8XP, Merseyside, England
[2] Liverpool John Moores Univ, Sch Pharm & Biomol Sci, Liverpool L3 3AF, Merseyside, England
[3] Countess Chester NHS Fdn Trust, Chester CH2 1UL, England
[4] Univ Liverpool, Dept Pharmacol & Therapeut, Liverpool L69 3GE, Merseyside, England
关键词
adverse drug reactions; hospitals; pharmacoepidemiology; re-admission; READMISSION; DEFINITIONS; DISCHARGE;
D O I
10.1111/j.1365-2125.2010.03751.x
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
ADRs in hospital patients are a significant burden, though how often ADRs cause re-admission to hospital has not been well documented in the literature. WHAT THIS STUDY ADDS center dot One fifth of patients re-admitted to hospital within 1 year of discharge from their index admission were re-admitted due to an adverse drug reaction. center dot Admission to a medical ward, elderly age and prescription of anti-platelet agents or diuretics were identified as risk factors for re-admission due to ADRs. center dot Since up to 50% of these reactions were possibly avoidable, better methods of medication review in both hospital and primary care, in conjunction with a clinical review, are needed to enable improved prescribing practices that will be essential for improving the benefit-harm balance of medicines. AIM The proportion of re-admissions to hospital caused by ADRs is poorly documented in the UK. The aim of this study was to evaluate the impact of ADRs on re-admission to hospital after a period as an inpatient. METHODS One thousand patients consecutively admitted to 12 wards were included. All subsequent admissions for this cohort within 1 year of discharge from the index admission were retrospectively reviewed. RESULTS Of the 1000 patients included, 403 (40.3%, 95% CI 39.1, 45.4%) were re-admitted within 1 year. Complete data were available for 290 (70.2%) re-admitted patients, with an ADR contributing to admission in 60 (20.8%, 95% CI 16.4, 25.6%) patients. Presence of an ADR in the index admission did not predict for an ADR-related re-admission (10.5% vs. 7.2%, P = 0.25), or re-admission overall (47.2% vs. 41.2%, P = 0.15). The implicated drug was commenced in the index admission in 33/148 (22.3%) instances, with 37/148 (25%) commenced elsewhere since the index admission. Increasing age and an index admission in a medical ward were associated with a higher incidence of re-admission ADR. The most frequent causative drugs were anti-platelets and loop diuretics, with bleeding and renal impairment the most frequent ADRs. Over half (52/91, 57.1%) of the ADRs were judged to be definitely or possibly avoidable. CONCLUSIONS One fifth of patients re-admitted to hospital within 1 year of discharge from their index admission are re-admitted due to an ADR. Our data highlight drug and patient groups where interventions are needed to reduce the incidence of ADRs leading to re-admission.
引用
收藏
页码:749 / 755
页数:7
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