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Medline ® Abstract for Reference 112

of 'Overview of comprehensive patient assessment in palliative care'

112
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The incidence and severity of adverse events affecting patients after discharge from the hospital.
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Forster AJ, Murff HJ, Peterson JF, Gandhi TK, Bates DW
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Ann Intern Med. 2003;138(3):161.
 
BACKGROUND: Studies of hospitalized patients identify safety as a significant problem, but few data are available regarding injuries occurring after discharge. Patients may be vulnerable during this transition period.
OBJECTIVE: To describe the incidence, severity, preventability, and "ameliorability" of adverse events affecting patients after discharge from the hospital and to develop strategies for improving patient safety during this interval.
DESIGN: Prospective cohort study.
SETTING: A tertiary care academic hospital.
PATIENTS: 400 consecutive patients discharged home from the general medical service.
MEASUREMENTS: The three main outcomes were adverse events, defined as injuries occurring as a result of medical management; preventable adverse events, defined as adverse events judged to have been caused by an error; and ameliorable adverse events, defined as adverse events whose severity could have been decreased. Posthospital course was determined by performing a medical record review and a structured telephone interview approximately 3 weeks after each patient's discharge. Outcomes were determined by independent physician reviews.
RESULTS: Seventy-six patients had adverse events after discharge (19% [95% CI, 15% to 23%]). Of these, 23 had preventable adverse events (6% [CI, 4% to 9%]) and 24 had ameliorable adverse events (6% [CI, 4% to 9%]). Three percent of injuries were serious laboratory abnormalities, 65% were symptoms, 30% were symptoms associated with a nonpermanent disability, and 3% were permanent disabilities. Adverse drug events were the most common type of adverse event (66% [CI, 55% to 76%]), followed by procedure-related injuries (17% [CI, 8% to 26%]). Of the 25 adverse events resulting in at least a nonpermanent disability, 12 were preventable (48% [CI, 28% to 68%]) and 6 were ameliorable (24% [CI, 7% to 41%]).
CONCLUSION: Adverse events occurred frequently in the peridischarge period, and many could potentially have been prevented or ameliorated with simple strategies.
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University of Ottawa, F654-1053 Carling Avenue, Ottawa, Ontario K1Y 4E9, Canada.
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