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Risk factors and complications in free TRAM flap breast reconstruction



Risk factors and complications in free TRAM flap breast reconstruction



Annals of Plastic Surgery 56(5): 492-497



The authors retrospectively reviewed 500 free TRAM flaps performed between 1992 and 2003. This cohort was subdivided based on smoking history, obesity, preoperative chemotherapy, preoperative radiation therapy, peripheral vascular disease, chronic obstructive pulmonary disease (COPD), and hypertension, and compared surgical complication rates. Measured complications included fat necrosis, mastectomy flap necrosis, abdominal flap necrosis, partial TRAM flap loss, wound infection, hematoma, seroma, vessel thrombosis, and abdominal hernia. Chi2 analysis and Fisher exact test were performed to determine differences between groups, and linear regression models were used to predict the risk factors of surgical complications. Smokers were more likely to have a higher incidence of wound infection (P = 0.01), mastectomy flap necrosis (P = 0.015), abdominal flap necrosis (P = 0.033), and fat necrosis (P = 0.01). Obese patients were more likely to have higher rates of mastectomy flap necrosis (P = 0.01) and hematoma (P = 0.01). Patients with peripheral vascular disease were more likely to have a higher incidence of wound infection (P = 0.031), and patients with preoperative radiation therapy were more likely to have a higher incidence of seroma (P = 0.043). Logistic regression showed that smoking was found to be a risk factor for fat necrosis (P = 0.006), wound infection (P = 0.002), mastectomy flap necrosis (P = 0.039), and abdominal flap necrosis (P = 0.042). Obesity was a risk factor for mastectomy flap necrosis (P = 0.002). Peripheral vascular disease was a risk factor for wound infection (P = 0.032). Awareness of risk factors and associated complications will lead to modification and individualization of surgical techniques in an attempt to limit these complications and continually improve outcomes.

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Accession: 050222582

Download citation: RISBibTeXText

PMID: 16641623

DOI: 10.1097/01.sap.0000210180.72721.4a


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