Impact of Collaborative Pharmaceutical Care on Hospital Admission Drug Prescriptions for Patients 65 Years of Age and Older

Preventable medication error rate

Potential clinical impact: preventable medication error rate detected in the medical prescription at admission (MPA) according to the level of criticality 1, 2 or 3. This error rate is defined by the ratio of the number of avoidable errors to the number of unrevised lines in the MPA.

Time frame: Day 1 (medical prescription at hospital admission)

Number of patients at high risk for adverse drug events

Potential clinical impact: number of patients at high risk for adverse drug events (Trivalle score calculated on the medical prescription at hospital admission)

Time frame: Day 1 (medical prescription at hospital admission)

Readmission rate for in-patient hospitalization

Clinical impact observed: readmission rate for in-patient hospitalization

Time frame: 30 days after hospital discharge (expected maximum of 21 days of hospitalization)

Readmission rate for in-patient hospitalization

Clinical impact observed: readmission rate for in-patient hospitalization

Time frame: 90 days after hospital discharge (expected maximum of 21 days of hospitalization)

Mortality rate

Time frame: 30 days after hospital discharge (expected maximum of 21 days of hospitalization)

Mortality rate

Time frame: 90 days after hospital discharge (expected maximum of 21 days of hospitalization)

Length of hospital stay

Time frame: hospital discharge (expected maximum of 21 days of hospitalization)

Acceptance rate of pharmaceutical interventions during collaborative interview.

Time frame: Day 1, hospital admission

Avoided costs related to the occurrence of medication errors (criticality 3)

Time frame: 90 days after hospital discharge (expected maximum of 21 days of hospitalization)

Satisfaction questionnaire (for health care professionals) on the implementation of collaborative pharmaceutical care

Time frame: End of study (expected at 195 days)