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Early Mobility After Cardiac Surgery: A Quality Improvement Project
Ansley Cook1, Faith Grill2, Cole Taylor3
1Ansley Cook is an acute care nurse practitioner, University of South Alabama Hospital, Mobile, Alabama.
Insights
Implementing an early mobility protocol for patients undergoing coronary artery bypass graft surgery reduced hospital length of stay by over a day, potentially minimizing complications from prolonged bed rest.
Area of Science:
- Cardiovascular Surgery
- Quality Improvement
- Patient Mobility
Background:
- Coronary artery bypass graft (CABG) surgery is a common procedure worldwide.
- Prolonged bed rest post-CABG increases complication risks and length of hospital stay.
- The authors' institution exceeded the national average length of stay for CABG patients.
Purpose of the Study:
- To implement an early mobility protocol for CABG patients.
- To reduce the postoperative length of stay for CABG patients.
- To improve patient outcomes by increasing postoperative mobility.
Main Methods:
- Retrospective data collection on mobility and length of stay pre- and post-intervention.
- Implementation of a nurse-driven early mobility protocol.
- Mobilizing patients to chair on postoperative day 0, aiming for a Johns Hopkins Highest Level of Mobility Scale score of 4.
Main Results:
- Postoperative length of stay decreased by 1.04 days after protocol implementation.
- 36 of 134 patients in the intervention group achieved mobility score 4, versus 0 of 103 pre-intervention.
- The reduction in length of stay was clinically significant but not statistically significant (P = 1.95).
Conclusions:
- Early mobility protocols show potential for improving patient outcomes after CABG surgery.
- Increased patient mobility may reduce hospital length of stay.
- Minimizing complications associated with immobility is a key benefit of early mobilization.
Background:
Coronary artery bypass graft surgery is one of the most common cardiac procedures performed worldwide. The longer these patients remain in bed, the greater their risk of postoperative complications and prolonged length of stay.
Local Problem:
At the authors' institution, the average length of stay after coronary artery bypass graft surgery was 7.27 days, longer than the national average of 6.9 days. This quality improvement project was undertaken to increase these patients' postoperative mobility and thereby reduce their length of stay.
Methods:
Data on mobility and length of stay of patients with isolated coronary artery bypass graft surgery during an 8-week period were collected retrospectively to establish preintervention values. These values were compared with postintervention values for an equivalent period. An evidence-based nurse-driven early mobility protocol was used to mobilize appropriate patients from bed to chair on postoperative day 0. This level of mobility was documented as a score of 4 on the Johns Hopkins Highest Level of Mobility Scale.
Results:
From before to after protocol implementation, the postoperative length of stay decreased by 1.04 days. None of the 103 patients in the preintervention group scored a 4 on the Johns Hopkins Highest Level of Mobility Scale, compared with 36 of 134 patients in the intervention group. The difference in postoperative length of stay was clinically but not statistically significant (2-sided P = 1.95).
Conclusion:
Early mobility may help improve patient outcomes by reducing hospital length of stay and minimizing complications associated with prolonged immobility.
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