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Discharge Information About Adverse Drug Reactions Indicates Lower Self-Reported Adverse Drug Reactions and Fewer
Trond Røed Pettersen1, Jan Schjøtt2, Heather Allore3
1Department of Heart Disease, Haukeland University Hospital, Bergen, Norway.
Aim:
There are discrepancies between the information patients desire about adverse drug reactions (ADRs) and the information they receive from healthcare providers; this is an impediment to shared decision-making. This study aimed to establish whether patients received information about ADRs resulting from prescribed pharmacotherapy, before hospital discharge, after percutaneous coronary intervention (PCI) and to determine whether receiving information about ADRs was associated with incidence of self-reported ADRs or concerns related to prescribed pharmacotherapy.
Methods:
CONCARDPCI, a prospective multicentre cohort study including 3,417 consecutive patients after PCI, was conducted at seven high-volume referral PCI centres in two Nordic countries. Clinical data were collected from patients' medical records and national quality registries. Patient-reported outcome measures were registered 2 months (T1), 6 months (T2), and 12 months (T3) after discharge. Covariate-adjusted logistic regression yielded adjusted odds ratios (aORs) with 95% confidence intervals (CIs).
Results:
At discharge, 38% of participants had been informed about potential ADRs. For these patients, the incidence of self-reported ADRs was significantly lower at T1 (aOR 0.61, 95% CI 0.50-0.74; p<0.001), T2 (aOR 0.60, 95% CI 0.49-0.74; p<0.001), and T3 (aOR 0.57, 95% CI 0.46-0.71; p<0.001). Those who were not informed reported higher levels of concern about prescribed pharmacotherapy at all measuring points (p<0.001 for all comparisons). Those living alone (aOR 0.73, 95% CI 0.57-0.92; p=0.008), who were female (aOR 0.57, 95% CI 0.44-0.72; p<0.001), and with three or more versus no comorbidities (aOR 0.61, 95% CI 0.44-0.84; p=0.002) were less likely to receive information.
Conclusion:
A substantial proportion of patients were not informed about potential ADRs from prescribed pharmacotherapy after PCI. Patients informed about ADRs had lower incidences of self-reported ADRs and fewer concerns about prescribed pharmacotherapy.
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