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find Author "DONG Yuehua" 2 results
  • Effects of three kinds of surgical methods on postoperative pulmonary function and exercise capacity in patients with non-small cell lung cancer

    Objective To analyze the effects of different surgical methods on postoperative pulmonary function and exercise capacity in patients with non-small cell lung cancer (NSCLC), so as to explore whether it can effectively improve pulmonary function and promote the recovery of exercise capacity by reducing the number of trocars ports and the resection of normal lung tissues. Methods The clinical data of NSCLC patients who underwent surgery in the First Affiliated Hospital of Hebei North University from January 2016 to June 2019 were collected retrospectively. According to the surgical methods, they were divided into three groups: single utility port video-assisted thoracic surgery (SP-VATS) segmentectomy group, SP-VATS lobectomy group and three port video-assisted thoracic surgery (TP-VATS) lobectomy group. The changes of pulmonary function [forced vital capacity (FVC), forced expiratory volume in one second (FEV1), peak expiratory flow (PEF), maximal voluntary ventilation (MVV)] and 6-minute walking distance (6MWD) at different time points [1st day before the operation (T0); 3rd day (T1), 7th day (T2), 1st month (T3), 3rd month (T4), 6th month (T5) and 1st year (T6) after the operation] were compared among the three groups. Results A total of 342 patients were included, including 102 in SP-VATS segmentectomy group, 116 in SP-VATS lobectomy group and 124 in TP-VATS lobectomy group. Except for pathological type and TNM stage (P<0.05), there was no significant difference in general information, preoperative pulmonary function or 6MWD among the three groups (P>0.05). The pulmonary function and 6MWD of the three groups before and after operation were not affected by pathological type or TNM stage (P>0.05). Except at T6 time point (P>0.05), there were significant differences in postoperative pulmonary function and 6MWD among the three groups at T1-T5 time points (P<0.05). Intra group comparison of pulmonary function and 6MWD in the three groups showed that the operation had the least impact on patients in SP-VATS segmentectomy group with the fastest recovery, followed by SP-VATS lobectomy group, and SP-VATS lobectomy group was the worst. Conclusions Video-assisted thoracoscopic for NSCLC can improve pulmonary function and promote the recovery of exercise capacity by reducing the number of trocars ports and the resection of normal lung tissues. However, this advantage is mainly reflected in the early postoperative stage.

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  • Effect of segmentectomy versus lobectomy under single utility port video-assisted thoracic surgery on inflammatory factors and immune cells in peripheral blood of non-small cell lung cancer patients: A retrospective cohort study

    ObjectiveTo evaluate the clinical effects of segmentectomy versus lobectomy under single utility port video-assisted thoracic surgery on inflammatory factors and immune cells in peripheral blood of non-small cell lung cancer patients, and to analyze the effect of changes of postoperative inflammatory factors and immune cells on the prognosis of the patients.MethodsThe clinical data of 256 patients who underwent segmentectomy or lobectomy under single utility port video-assisted thoracic surgery for non-small cell lung cancer in the First Affiliated Hospital of Hebei North University from January 2016 to October 2020 were retrospectively collected. According to the operation method, they were divided into a segmentectomy group (126 patients with 79 males and 47 females at an age of 63.4±6.2 years) and a lobectomy group (130 patients with 91 males and 39 females at an age of 62.9±5.6 years). The change of inflammatory factors (C reactive protein, interleukin-6, interleukin-8, tumor necrosis factor-α) and immune cells (CD4+T cells, CD8+T cells and natural killer cells) were recorded and analyzed before operation (T0) and 1 day (T1), 3 days (T2), 7 days (T3), 1 month (T4) after the operation between the two groups. According to postoperative recurrence situations, they were divided into a recurrence group and a non-recurrence group, multivariate logistic regression analysis was used to analyze the relationship between the change of postoperative inflammatory factors, immune cells, and the prognosis of patients with non-small cell lung cancer.Results(1) There was no statistical difference in sex ratio, underlying diseases, body mass index, levels of preoperative inflammatory factors or immune cells between the two groups (all P>0.05). (2) The changes of postoperative inflammatory factors in the segmentectomy group were significantly less than those in the lobectomy group at T1-T3 (all P<0.05), and the changes of postoperative immune cells in the segmentectomy group were significantly less than those in the lobectomy group at T1-T4 (all P<0.05). (3) The changes of postoperative inflammatory factors and immune cells on postoperative day 3 in the recurrence group were significantly more than those in the non-recurrence group (all P<0.05). (4) Multivariate logistic regression analysis showed that the changes of postoperative inflammatory factors and immune cells on postoperative day 3 may be the risk factors for postoperative recurrence and metastasis in patients with non-small cell lung cancer (all P<0.05).ConclusionSingle utility port video-assisted thoracic surgery segmentectomy for the treatment of non-small cell lung cancer can reduce the inflammatory response and protect body's immune function, and the change of postoperative inflammatory factors and immune cells in postoperative day 3 may be the risk factors for postoperative recurrence and metastasis in patients with non-small cell lung cancer.

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