ObjectiveTo investigate the effect of Glycyrrhizae Radix et Rhizoma （GR）-containing serum on lipopolysaccharide （LPS）-induced inflammation in human colon epithelial adenocarcinoma cells （Caco2） based on inhibition of ferroptosis by the nuclear factor erythroid 2-related factor 2 （Nrf2）/heme oxygenase-1 （HO-1） pathway. MethodCaco2 cells were divided into a normal group， a model group （LPS， 200 μg·L^-1）， low-， medium-， and high-dose GR-containing serum groups （5%， 10%， 20%）， and a ferroptosis inhibitor group （3-amino-4-cyclohexylamino-benzoic acid ethyl ester， Fer-1， 10 μmol·L^-1）. The cells in the normal group were cultured normally， while those in other groups underwent the induction of an inflammation model. The cells in the low-， medium-， and high-dose GR-containing serum groups were treated with 5%， 10%， and 20% GR-containing serum for 24 hours， respectively， and the cells in the ferroptosis inhibitor group were treated with Fer-1 for 24 hours. Transmission electron microscopy was used to observe mitochondrial morphology in each group. Flow cytometry was used to detect intracellular Fe²⁺ levels. Microplate assays were performed to measure superoxide dismutase （SOD） activity， malondialdehyde （MDA） and glutathione peroxidase （GSH-Px） levels. Enzyme-linked immunosorbent assay （ELISA） was used to measure interleukin-1β （IL-1β）， IL-6， IL-10， and tumor necrosis factor-α （TNF-α） levels. Western blot was used to measure the expression levels of Nrf2， HO-1， ferritin heavy chain 1 （FTH1）， and glutathione peroxidase 4 （GSH-Px4） proteins. Small interfering RNA （siRNA） was used to investigate the role of Nrf2 in ferroptosis regulation. The cells after interference were divided into a negative control （NC） group， a Si-Nrf2 group， a GR-containing serum （20%） + Si-Nrf2 group， and a GR-containing serum （20%） + NC group. Microplate assays were performed to measure MDA， SOD， and GSH-Px levels， and Western blot was used to measure the expression levels of Nrf2， HO-1， FTH1， and GSH-Px4 proteins. ResultCompared with the normal group， the model group showed mitochondrial contraction， increased mitochondrial membrane thickness， and smaller mitochondrial morphology， increased Fe²⁺ content （P<0.01）， blunted SOD activity （P<0.01）， decreased GSH-Px expression （P<0.01）， increased MDA content （P<0.01）， reduced expression levels of Nrf2 and HO-1 （P<0.05）， reduced FTH1 expression （P<0.01）， and down-regulated GSH-Px4 expression （P<0.01）. In the GR-containing serum groups， the medium- and high-dose groups showed a significant decrease in Fe²⁺ content （P<0.01）， potentiated SOD and GSH-Px activities （P<0.01）， and decreased MDA levels （P<0.01）. The high-dose group showed a significant increase in Nrf2 expression （P<0.05）， and the medium-dose group showed increased expression of HO-1 and GSH-Px4 proteins （P<0.05）. The expression levels of FTH1 significantly increased in the low-， medium-， and high-dose groups （P<0.01）. The study on mechanism revealed that compared with the NC group， the cells transfected with Nrf2 siRNA showed increased MDA content （P<0.01）， blunted SOD activity （P<0.01）， decreased GSH-Px activity （P<0.01）， decreased expression of Nrf2 and HO-1 （P<0.01）， and reduced levels of FTH1 and GSH-Px4 proteins （P<0.01）. Compared with the Si-Nrf2 group， the cells treated with GR-containing serum showed a decrease in MDA content （P<0.01）， an increase in SOD activity （P<0.01）， an increase in GSH-Px activity （P<0.01）， increased expression of Nrf2 and FTH1 proteins （P<0.05）， and higher expression levels of HO-1 and GSH-Px4 proteins （P<0.01）. ConclusionGR-containing serum can reduce the inflammatory cytokines and oxidative stress levels in LPS-induced Caco2 cells. Its mechanism is related to the promotion of Nrf2/HO-1 signaling pathway expression， alleviating intracellular lipid peroxidation and inhibiting ferroptosis.

Objective:To develop the clinical decision support system for dialectical nursing of traditional Chinese medicine of lumbar disc herniation and to discuss the application effects in clinical practice.Methods:With clinical nursing information system as the supporting platform, four content modules, including TCM nursing evaluation module, syndrome differentiation and classification diagnosis module, plan implementation module and evaluation and feedback module, were developed. The clinical efficacy, Visual Analogue Scale (VAS) score, disease knowledge mastery degree, writing quality of nursing documents and nurse experience of hospitalized patients were compared before the system application (July to September in 2020) and after the system application (April to June 2021) .Results:After the application of clinical decision support system for dialectical nursing of traditional Chinese medicine of lumbar disc herniation, the total effective rate of patients was higher than before, VAS score was lower than before and disease knowledge mastery degree was higher than before, and the differences were statistically significant ( P<0.05) . All indexes of writing quality of nursing documents were significantly improved, and scores of nurses' system use experience were improved, compared with those before the system application, the differences were statistically significant ( P<0.05) . Conclusions:The clinical decision support system for dialectical nursing of traditional Chinese medicine of lumbar disc herniation can improve the clinical efficacy of patients, relieve pain, improve the mastery of health care knowledge, improve the homogeneity, continuity and integrity of nurses' dialectical nursing, and nurses have a good experience of the system.

Animals ; Apoptosis ; Brain/metabolism* ; Male ; Phosphatidylinositol 3-Kinases/metabolism* ; Rats ; Rats, Sprague-Dawley ; Subarachnoid Hemorrhage/drug therapy* ; Thyroxine/pharmacology*

Objective:To retrospectively analyze the effectiveness of Caprini thrombosis risk assessment model in assessing the risk of deep venous thrombosis (DVT) in orthopedic patients.Methods:Using the convenient sampling method, 52 orthopedic patients who were diagnosed with DVT in Anhui Provincial Hospital from April 2016 to March 2019 were selected as the DVT group. According to the ratio of 1 to 2, 104 patients with non-DVT in Department of Orthopedics were selected as the non-DVT group. The Caprini risk assessment model was used to carry out DVT risk scoring and risk classification, and the relationship between different risk grading and occurrence risk of DVT in patients was explored. Logistic regression was used to explore the risk factors of DVT in orthopedic patients.Results:The Caprini score of the DVT group was (12.25±4.26) , which was higher than (7.18±2.92) of the non-DVT group, and the difference was statistically significant ( t=7.727, P<0.01) . The difference between the DVT group and the non-DVT group in Caprini risk classification was statistically significant (χ 2=8.778, P<0.05) . In the Caprini risk classification, the risk of DVT in very high-risk patients was 7.099 (95% CI: 1.604-31.412) times higher than that in non-very high-risk patients. Logistic regression analysis showed that BMI≥25 kg/m 2, bed rest time≥72 h, lower extremity swelling, plaster/limb fixation, and selective lower extremity joint replacement surgery were 5 high-risk factors for patients with DVT ( P<0.05) . Conclusions:The Caprini risk assessment model has a good predict ability for the risk of DVT in orthopedic patients. Nursing staff can carry out targeted nursing intervention according to the high-risk factors of DVT. Stratified management of this model can also enable effective hierarchical prevention of DVT risk groups and ensure the safety of patients to the maximum extent, which is worthy of clinical application.

Objective: To investigate the mechanism of chemokine-like factor superfamily member (CMTM) 5 on the proliferation of multiple myeloma cells. Methods: RT-qPCR method was used to detect the expression and correlation of CMTM5, caspase3 and caspase9 in U266 after decitabine demethylation treatment; U266 transfected with pcDNA3.1 plasmid overexpressed CMTM5, then cell proliferation activity was detected by CCK-8 assay. Results: Compared with the control group, the low-dose demethylation treatment increased mRNA expression of CMTM5, caspase3, and caspase9 in U266, and showed a time-dependent (P<0.01). The up-trend of CMTM5, caspase3, and caspase9 in the high-demethylation drug treatment group was more significant and also showed time-dependent (P<0.001); There was a significant positive correlation between CMTM5 and caspase3 (r=0.937) and caspase9 (r=0.945) in each group (P<0.001). After transfection of U266 with the pcDNA3.1-CMTM5 plasmid, overexpression of CMTM5 inhibited the cell proliferation activity compared with the control and pcDNA3.1-vector group. Conclusion Decitabine has a reductive effect on the low level of CMTM5 in U266 cells, and its recovery level is significantly positively correlated with caspase 3 and caspase9. Re-expression of CMTM5 inhibits the proliferative activity of U266.

Objective To explore the incidence of chronic postsurgical pain (CPSP) of video assisted thoracic surgery(VATS) and its influencing factors.Methods Totally 216 patients who received elective VATS in a class Ⅲ grade A hospital between January and June 2016 were selected by convenience sampling. Their pain level was assessed with Visual Analogue Scale (VAS) in 1 to 3 days after surgery. The patients were then investigated with Simplified McGill Pain Questionnaire (SF-MPQ) in 1 to 3 months after surgery,with the features of CPSP analyzed and 11 related risk factors statistically analyzed.Results The incidence of CPSP in 3 months after surgery in the 199 patients who received follow-up visits was 49.20%,of which 18.37% suffered moderate pain,and 32.65% felt constant pain. Age (OR=2.16) and pain level in 1-3 days after surgery (OR=2.25) were independent risk factors to CPSP (P<0.05).Conclusions CPSP occurred in a certain proportion of patients who received VATS. Actively and effectively controlling acute post surgical pain in especially young patients may help to reduce the incidenc of CPSP.

Aim Toinvestigatetheantagonisticeffect of intrathecal injection of carbenoxolone (CBX ) on neuropathic pain and its underlying mechanism.Meth-ods SixtymaleSprague-Dawleyratswererandomly divided into five groups (n =12 ):group I received sham surgery then treated with saline;group Ⅱ re-ceived SNT then treated with saline;groupⅢreceived SNT then treated with 0. 05 μg CBX;group Ⅳ re-ceived SNT then treated with 0. 5 μg CBX;group Ⅴreceived SNT then treated with 5 μg CBX.Treatment was undertaken with 10 μl volume as a single intrathe-cal injection on postoperative day 10.Mechanical with-drawl thresholds were measured 1 d before operation, 1,3,5,7 and 10 d after surgery,1 h before intrathe-cal administration,and 1 ,2,4,6 h after intrathecal administration.Lumbar spinal cord was obtained 2 h after intrathecal administration to determine the expres-sions of GFAP by immunohistology and TNF-α,IL-1βby ELISA in bilateral spinal dorsal horns.Results Comparedwiththeshamgroup,thebilateralMWTin group Ⅱ ~Ⅴ was significantly decreased.Compared with the MWT 1 h before intrathecal administration on day 10,the values at 1 ,2,4,6 h after administration of group Ⅱ and Ⅲ had no marked difference.The ip-silateral MWT in groupⅣhad no significant difference at 1,2,4 h after administration,the contralateral MWT was significantly increased,whereas GFAP and TNF-α,IL-1βwas significantly decreased in the spinal cord .In group Ⅴthe bilateral MWT was significantly improved at 1 ,2,4 h after administration,whereas GFAP and TNF-α,IL-1βwere significantly decreased inthespinalcord.Conclusions IntrathecalCBXcan inhibit the development of bilateral MWT.The analge-sic effect of CBX is implemented partly via suppressing the actation of GFAP and the realease of TNF-α,IL-1βin the spinal doral horn.

Objective To observe the significance of rehabilitation integrated system for stroke patients. Methods From October, 2013 to June, 2015, 95 stroke patients were divided randomly into experimental group (n=48) and control group (n=47). The experimental group received rehabilitation under the guide of rehabilitation integrated system, while the control group in the routine process. They were assessed with simplified Fugl-Meyer Assessment (FMA) and Barthel Index (BI) before and 3 months after treatment. The satisfaction was also inves-tigated. Results There was no significant difference between groups in the differences of scores of FMA and BI before and after treatment (t<1.044, P>0.05), while the satisfaction was higher in the experimental group (t=4.287, P<0.01). Conclusion The application of rehabilitation integrated system may improve the process of treatment and the efficiency of management, and result in more satisfaction of the stroke pa-tients.

Objective To explore the perioperative psychological behavior interventions for patients with postoperative anxiety and pain of gastrointestinal tumor. Methods We selected 110 patients with gastrointestinal cancer during surgical treatment from gastrointestinal surgery department of Anhui provincial hospital from April 2014 to October 2014 and divided them into experimental group (n=58) and control group (n=52). The patients of control group were used conventional care while the patients of experimental group received the psychological behavior therapy, relaxation therapy and music therapy within 72 hours after surgery for evaluation of postoperative pain and anxiety on the basis of conventional nursing, and we carried on the comparison of two groups of patients with postoperative hospital stay. Results Two groups of patients with SAI and TAI were no statistical difference at time of admitting to hospital (P>0. 05) ; the SAI and TAI of the experimental group patients in postoperative one day and three days after operation are lower than those of the control group, and the difference between the two groups after surgery was statistically significant (P<0. 05);the time effect on the result without statistical significance (P>0. 05);NRS score of different time points after surgery within two groups showed that the experimental group NRS scores were lower than those of the control group, and the differences were statistically significant between two groups (P<0. 05); the time effect on the result without statistical significance (P >0. 05); the experimental group patients in hospitalization days and postoperative hospitalization days were shorter than these of the control group, the difference between the two groups have statistical significance (P <0. 05). Conclusions Relaxation therapy and music therapy can significantly improve the patient′s perioperative anxiety, reduce the pain after surgery. For gastrointestinal cancer patients perioperative health of body and mind and postoperative rehabilitation, it has a positive role.

Objective To evaluate the characteristics and treatment of ovary torsion after controlled ovarian hyperstimulation.Methods Between Jan.2008 and Dec.2011,5 cases with ovary torsion who underwent ovarian hyperstimulation were retrospectively studied.Results Five cases presented intermittent lower abdominal from I to 38 days after oocyte retrieval.Enlargement of ovary and decreased or absent venous and/or arterial flow were demonstrated by Doppler sonography.Two torsions at left side,two torsions at right side,and one on bilateral side were observed.Three cases give up embryo transplantation,2 cases were pregnant after surgical treatment.One case with partial torsion was successfully treated with simple conservative treatment.Two cases with complete torsion were performed adnexectomy by laparotomy.One case with complete torsion with early pregnancy was managed by laparoscopic adnexectomy.One case with chemical pregnancy was managed by laparoscopic detorsion for left side and excision for right side.Postoperative pathology of ovary tissue all confirmed haemorrhage and necrosis.Conclusions Ovary torsion might occur after controlled ovarian hyperstimulation.The early management on ovary torsion will be benefit for preserving ovarian function.