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Medication Errors Caused by Nurses and Physicians in a Swiss Acute Care Community Hospital: Frequency and Correlation to Nurses’ Reported Workload / Von Pflegefachpersonen und Ärzten/-innen verursachte Medikamentenfehler in einem Schweizer Akutspital: Häufigkeit und Korrelation zur Arbeitsbelastung von Pflegefachpersonen


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Definition and classification of medication errors according to Bates et al. (1999)

ProcessDefinitionError types (Examples)
Ordering (handwritten)Unambiguous prescription according to the five rights (right patient, medication, dose, application, time)Illegible or incomplete prescription; omission of an order; wrong order such as wrong patient, wrong drug name, wrong drug formulation, wrong route, wrong dose regime and wrong application time
Ordering (by CPOE)Unambiguous prescription according to the five rights (right patient, medication, dose, application, time)Discrepancy in: the right medication such as drug name, right time, right dose, right patient, right route, and omissions of medications
Transcription (into the CPOE)Identical transcription from the anaesthesia order to an EPR by an RNDiscrepancy in: the right medication such as drug name, right time, right dose, right patient, right route, and omissions of medications
DispensingDispensing of medication according to a physician’s orderUnordered drug (wrong drug); unordered time, unordered dose, wrong patient, unordered route, and omission of medications
AdministrationThe right medication in the right dose to the right patient in the right application form and at the right timeWrong medication; wrong administration time (± 30, 60 and 120 min); wrong dose; wrong patient; wrong route; omission of a dose and unordered drug or dose

Frequency and type of medication errors

Medication administration 371 (43.0%) N (%)Physician ordering (CPOE) 198 (23.0%) N (%)Medication dispensing 292 (34.0%) N (%)
Wrong medication30 (8.1)19 (9.6)19 (6.5)
Wrong time291 (78.4)58 (29.3)48 (16.4)
Wrong dose10 (2.7)61 (30.8)34 (11.6)
Wrong patient7 (1.9)1 (0.5)3 (1.0)
Wrong route4 (1.1)19 (9.6)2 (0.7)
Omission29 (7.8)40 (20.2)186 (63.7)

Sample characteristics

Characteristics
Registered Nurses
Total number (%)88 (100)
Female (N, %)81 (92)
Male (N, %)7 (8)
Age (years)M = 31.8; SD = 9.5
Bachelor’s degree(N, %)7 (8)
Diploma (N, %)81 (92)
Overall work experience (years) Work experience on current ward (years)M = 7.7; SD = 8.3 M = .8; SD = 5.0
Patients
Total number (%)1,087 (100)
Undergone surgery (N, %)768 (70.7)
Female (N, %)627 (57.7)
Male (N, %)460 (42.3)
Age (years)M = 62.0; SD = 18.4
Surgical disciplines (N, %)
Orthopaedic387 (35.6)
Visceral surgery335 (30.8)
Spinal surgery158 (14.5)
Urological107 (9.8)
Gynaecological94 (8.6)
Ear-nose-throat6 (0.6)

Medication Error Self Reporting Tool (adapted from Küng et al., 2013)

During my shift, one of the following medication-error-related events occurred (please mark with a cross)
Medication administration1. I administered a wrong medication to a patient
2. I administered a medication at the wrong time:

□ More than 30 min earlier or later than ordered

□ More than 60 min earlier or later than ordered

More than 120 min earlier or later than ordered

3. I administered a medication in a wrong dosage
4. I administered a medication to the wrong patient
5. I administered a medication in the wrong route
6. I forgot to administer a medication
Physician ordering with CPOE7. A wrong medication was prescribed
8. A medication prescription was ordered at the wrong time
9. A medication prescription was ordered in a wrong dosage
10. A medication prescription was ordered to the wrong patient
11. A medication prescription was ordered the wrong route
12. A medication was forgotten to prescribe
Medication dispensing13. At the medication control a prescribed medication was not dispensed
14. At the medication control I have found the following error:

□ A wrong medication was dispensed

□ A medication was dispensed at the wrong time

□ A medication was dispensed in a wrong dosage

□ A medication was dispensed to the wrong patient

□ A medication was dispensed in wrong route

Anaesthesia ordering15. Have you controlled a prescription by anaesthesia during your shift pre-or postoperatively?

Yes (if yes, please go to question 10, 11, 12 and 13)

No (please continue with question 14)

16. A medication prescription by anaesthesia was illegible
17. A medication prescription by anaesthesia was incomplete
18. A medication prescription by anaesthesia was wrong
19. A medication prescription by anaesthesia was transcribed wrong
Patient consequences20. The medication error event had no consequences for the patient
21. The medication error event had consequences for the patient. If yes, what are the consequences? (use the space below)
Workload22. Please evaluate your workload of the present shift:

23. If the workload was high or very high, please write down the reason:
Shift24. No medication error-related event happened to me during my shift
25. Please mark your shift:
Morning shiftEvening shiftNight shift
eISSN:
2296-990X
Languages:
English, German
Publication timeframe:
Volume Open
Journal Subjects:
Medicine, Clinical Medicine, other