Effect of anesthetic technique on serum vascular endothelial growth factor C and transforming growth factor β in women undergoing anesthesia and surgery for breast cancer.
نویسندگان
چکیده
BACKGROUND In breast cancer, vascular endothelial growth factor C, transforming growth factor β, placental growth factor, and fibroblast growth factor (acidic and basic) promote angiogenesis and metastases. We tested the hypothesis that a propofol-paravertebral anesthetic (PPA) technique would attenuate postoperative changes in these angiogenic factors to a greater extent than balanced general anesthesia (GA) and morphine analgesia in women undergoing surgery for primary breast cancer. METHOD Forty women with primary breast cancer undergoing surgical excision were randomized to receive either standard GA or PPA technique. Venous blood was sampled before and at 24 h after surgery and serum analyzed. The primary endpoint was a preoperative versus postoperative change in vascular endothelial growth factor C and transforming growth factor β concentrations. RESULTS Using a visual analog scale (median [25-75% interquartile range]), PPA patients (1 [0-2]) had less pain at 2 h (P = 0.02) than did GA patients (3 [2-5]). The mean postoperative change in vascular endothelial growth factor C concentrations among GA patients was 733 versus 27 pg/ml for PPA patients (difference, 706 [97.5% CI, 280-1,130] pg/ml, P = 0.001). In contrast, the mean postoperative change in transforming growth factor β concentration among GA patients was -163 versus 146 pg/ml for PPA patients (difference, 309 [97.5% CI, -474 to -143] pg/ml, P = 0.005). Concentrations of placental growth factor and fibroblast growth factor, both acidic and basic, were undetectable in serum. CONCLUSION Anesthetic technique influences serum concentrations of factors associated with angiogenesis in primary breast cancer surgery.
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ورودعنوان ژورنال:
- Anesthesiology
دوره 113 5 شماره
صفحات -
تاریخ انتشار 2010