Effect of continuous use of dexmedetomidine during general anesthesia on perioperative levels of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) in patients undergoing radical resection of ovarian cancer was investigated. The initial treatment of ovarian cancer is mainly radical surgery. Most patients with ovarian cancer radical surgery can achieve good results, but the use of improper anesthetic drugs in radical surgery can easily lead to unstable patient vital signs. Therefore, the selection of appropriate anesthetic drugs has become the key to radical ovarian cancer surgery. There are few reports on the use of dexmedetomidine in anesthesia for ovarian cancer radical surgery. This study was performed to retrospectively analyze the case data of patients undergoing laparoscopic ovarian cancer radical surgery, and to compare the hemodynamics of dexmedetomidine anesthesia with midazolam anesthesia and the concentrations of TNF-α and IL-6, to provide reference for clinical implementation of ovarian cancer radical surgery. The hemodynamics of patients in the dexmedetomidine group were stable compared with the midazolam group. Serum TNF-α and IL-6 levels were significantly lower in the dexmedetomidine group than that in the midazolam group. If dexmedetomidine were continuously used during general anesthesia, the perioperative serum levels of TNF-α and IL-6 could be effectively reduced in patients undergoing radical resection of ovarian cancer, and the perioperative stress response was suppressed.

The present study aimed to investigate the effects of flurbiprofen on serum level of interleukin-6 (IL-6), prostacyclin (PGI2) and corticosteroid A2 (TXA2) in patients with bone metastases of cancer. A total of 210 patients with bone metastasis of cancer were randomly divided into two groups: Flurbiprofen axetil analgesia group (group A) and dezocine analgesia group (group B), 105 cases in each group. The analgesic effect was evaluated using visual analogue scale (VAS) scoring system at 1, 12, 24 and 48 h after treatment. Serum levels of IL-6, PGI2 and TXA2 at 12 and 24 h after treatment were detected using double-antibody sandwich enzyme-linked immunosorbent assay. No significant differences in VAS scores were found between the two groups at 1, 12, 24 and 48 h after treatment, and no gastrointestinal adverse events and abnormal bleeding were observed. No significant differences in the serum levels of IL-6 were found between the two groups at 12 and 24 h after treatment. Significantly lower serum levels of TXA2 and PGI2 were found in group A compared to group B at 12 and 24 h after treatment (P<0.05). Serum level of PGI2 was positively correlated with serum level of TXA2 (r=0.7212, P<0.05) and VAS score (r=0.7159, P<0.05). Serum level of IL-6 was positively correlated with VAS score (r=0.7997, P<0.05). The results show that flurbiprofen axetil can effectively relieve pain in patients with bone metastases of cancer, can inhibit platelet activation, adhesion and aggregation, and reduce the formation of deep vein thrombosis, and can inhibit stress response and inflammatory response in the body.

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Silver needle thermal therapy (SNT) originated in the 1970s. Initially, SNT was created through combining muscle relaxation and acupuncture treatment basing on human soft-tissues anatomy by Prof. Renzhe Xuan, and applied this technique to the treatment of intractable chronic soft-tissues pain. It has been achieved good therapeutic effects. With the development of technology, especially the temperature-controlled silver needle therapy instrument instead of burning cotton ball, SNT technology is further promoted in the clinic, and widely used in the treatment of chronic pain. This is a review about the progress and development of SNT and its application in chronic pain.