Rigid Sternal Fixation Versus Modified Wire Technique for Poststernotomy Closures: A Retrospective Cost Analysis
Jiwon Sarah Park1, Jennifer H Kuo, J Nilas Young
1From the *Division of Plastic Surgery, Department of Surgery, University of California Davis Medical Center, Sacramento, CA; †Section of Endocrine Surgery, Department of Surgery, New York-Presbyterian Columbia University, New York, NY; and ‡Division of Cardiothoracic Surgery, Department of Surgery, University of California Davis Medical Center, Sacramento, CA.
Rigid sternal fixation (RSF) reduces sternal wound complications in high-risk patients. Despite higher initial costs, RSF proves more cost-effective than modified wire technique (MWT) by lowering overall healthcare expenses.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Hospital Cost Analysis
Background:
- Rigid sternal fixation (RSF) is recognized for reducing sternal wound complications in high-risk patients.
- The primary barrier to widespread RSF adoption is its higher initial cost.
- This study compares the total cost of care for high-risk sternotomy patients managed with RSF versus modified wire technique (MWT).
Purpose of the Study:
- To evaluate the overall cost-effectiveness of rigid sternal fixation (RSF) compared to modified wire technique (MWT) in high-risk sternotomy patients.
- To assess the incidence of sternal wound complications associated with each closure method.
- To determine the net financial impact on hospitals for each technique.
Main Methods:
- A retrospective review of high-risk patients undergoing primary sternal closure between 2006 and 2009.
- Comparison of patients managed with MWT (n=45) and RSF (n=30).
- Analysis of total hospital costs, revenue, and net costs, including surgical and subsequent care expenses.
Main Results:
- RSF patients experienced significantly lower rates of wound dehiscence and infection (superficial and deep) compared to MWT patients (P < 0.05).
- MWT patients required more operations and had longer follow-up periods.
- Hospitals incurred greater net losses caring for MWT patients (US $18,903 ± 2,160) than RSF patients (US $8,935 ± 2,647).
Conclusions:
- Rigid sternal fixation (RSF) is associated with reduced sternal wound complications, including mediastinitis, in high-risk patients compared to modified wire technique (MWT).
- Despite a higher upfront investment, RSF leads to a lower overall cost of care for high-risk sternotomy patients.
- RSF offers a cost-effective solution by mitigating expensive complications and re-interventions.
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