Angiogenic Response to Major Lung Resection for Non-Small Cell Lung Cancer with Video-Assisted Thoracic Surgical and Open Access
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AbstractBackground. Angiogenic factors following oncological surgery is important in tumor recurrence. Vascular endothelial growth factor (VEGF), angiopoietin 1 (Ang-1), Ang-2, soluble VEGF-receptor 1 (sVEGFR1) and sVEGFR2 may influence angiogenesis. This prospective study examined the influence of open and video-assisted thoracic surgery (VATS) lung resections for early stage non-small cell lung cancer (NSCLC) on postoperative circulating angiogenic factors. Methods. Forty-three consecutive patients underwent major lung resection through either VATS (n = 23) or Open thoracotomy (n = 20) over an 8-month period. Blood samples were collected preoperatively and postoperatively on days (POD) 1 and 3 for enzyme linked immunosorbent assay determination of angiogenic factors. Results. Patient demographics were comparable. For all patients undergoing major lung resection, postoperative Ang-1 and sVEGFR2 levels were significantly decreased, while Ang-2 and sVEGFR1 levels markedly increased. No significant peri-operative changes in VEGF levels were observed. Compared with open group, VATS had significantly lower plasma levels of VEGF (VATS 170 +/- 93 pg/mL; Open 486 +/- 641 pg/mL; P = 0.04) and Ang-2 (VATS 2484 +/- 1119 pg/mL; Open 3379 +/- 1287 pg/mL; P = 0.026) on POD3. Conclusions. Major lung resection for early stage NSCLC leads to a pro-angiogenic status, with increased Ang-2 and decreased Ang-1 productions. VATS is associated with an attenuated angiogenic response with lower circulating VEGF and Ang-2 levels compared with open. Such differences in angiogenic factors may be important in lung cancer biology and recurrence following surgery.
All Author(s) ListNg CSH, Wan S, Wong RHL, Ho AMH, Yim APC
Journal nameScientific World Journal
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesMultidisciplinary Sciences; MULTIDISCIPLINARY SCIENCES; Science & Technology - Other Topics

Last updated on 2021-27-09 at 05:49