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Nutritional Predictors of Wound Infection in Patients with Lower Extremity Soft Tissue Sarcoma

  • Sarcoma
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Annals of Surgical Oncology Aims and scope Submit manuscript



Soft tissue sarcoma (STS) frequently requires high-risk surgery that predisposes patients to complex wounds. Past studies have identified a variety of tumor characteristics as risk factors for wound infection (WI); however, physiologic characteristics have not yet been studied in this population. Thus, the objective of this study is to identify any nutritional indicators and physiologic characteristics associated with the development of WI.

Patients and Methods

633 patients from a large tertiary care center institution were identified with lower extremity STS removed from 1992 to 2017. The primary outcomes of interest were WI at patient’s surgical site within 90 days of surgery and additional procedure due to wound infection. Patients’ laboratory values, comorbidities, and other characteristics were assessed using multivariable analysis to determine risk factors for WI. Receiver operator characteristic (ROC) curves were used for analysis of plasma glucose and albumin levels to determine a useful risk threshold. Significance was determined to be p < 0.05.


Postoperative plasma glucose levels were significantly higher among patients with WI compared with those without (p < 0.001) and showed predictivity in ROC analysis (AUC 0.77, 95% CI 0.72–0.82). Preoperative albumin (p < 0.001) and prognostic nutritional index score (p = 0.002) were significantly lower among patients with WI. Partial thromboplastin time (PTT), international normalized ratio (INR), white blood cell count (WBC), and platelet count values had no effect on WI. Smoking elevated risk for WI (OR 1.64, p < 0.01). Significant risk factors were the same when assessed for those with WI undergoing additional procedures.


Postoperative plasma glucose levels, preoperative albumin levels, and smoking status are useful nutritional variables in predicting WI in STS excisional procedures.

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Correspondence to Santiago Lozano-Calderón MD, PhD.

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Kline, A., Kamalapathy, P., Bruce, K. et al. Nutritional Predictors of Wound Infection in Patients with Lower Extremity Soft Tissue Sarcoma. Ann Surg Oncol 28, 7952–7960 (2021).

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