Significant predictors of complications after sternal wound reconstruction: a 21-year experience
Hamid R Zahiri1, Kimberly Lumpkins, Shahrooz S Kelishadi
1Division of General Surgery, Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
Insights
Diabetes mellitus (DM), hypertension (HTN), and congestive heart failure (CHF) are key predictors of complications following sternal reconstruction using tissue flaps. These comorbidities may impair healing and increase reoperation risk.
Area of Science:
- Cardiovascular Surgery
- Plastic Surgery
- Wound Healing Research
Background:
- Sternal reconstruction using tissue flaps is a critical procedure.
- Identifying preoperative risk factors for complications is essential for patient outcomes.
Purpose of the Study:
- To identify patient comorbidities that predict complications after tissue flap sternal reconstruction.
Main Methods:
- Retrospective analysis of 106 patients undergoing 161 sternal tissue flap repairs (1989-2010).
- Comorbidities evaluated: diabetes mellitus (DM), hypertension (HTN), coronary artery disease, congestive heart failure (CHF), and renal insufficiency.
- Statistical analysis included Pearson χ2, Fisher exact test, and 2-sample t test.
Main Results:
- 18% of patients (19/106) required reoperation due to complications.
- Complications included infection, tissue necrosis, wound dehiscence, mediastinitis, and hematoma.
- DM (P=0.014), HTN (P=0.012), and CHF (P=0.006) were significant predictors of complications.
Conclusions:
- DM, HTN, and CHF are significant predictors of complications in sternal reconstruction.
- These comorbidities may negatively impact perfusion and healing, increasing complication rates.
- Preoperative assessment of these conditions is crucial for managing patient risk.
Background:
We sought to identify patient comorbidities that predict complications after tissue flap sternal reconstruction.
Methods:
A retrospective study, December 1989 to December 2010, analyzed numerous comorbidities, including diabetes mellitus (DM), hypertension (HTN), coronary artery disease, congestive heart failure (CHF), and renal insufficiency, as independent risk factors for postoperative complications. Pearson χ2 test, Fisher exact test, 2-sample t test, and median-unbiased estimation were used for data analysis. Significance was P≤0.05.
Results:
In all, 106 patients received 161 sternal tissue flap repairs. Nineteen patients (18%) required reoperation because of complications, including recurrent wound infection, tissue necrosis, wound dehiscence, mediastinitis, and hematoma formation. Our analysis found DM, HTN, and CHF as significant predictors of complications after sternal reconstruction (P=0.014, 0.012, and 0.006).
Conclusions:
Results suggest DM, HTN, and CHF may contribute to complications after tissue flap repair of sternal wounds, possibly through impaired perfusion and healing of repairs.
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