1.Research Progress on Animal Models of Sepsis-Related Organ Injury
Jiahao YANG ; Chunlei DING ; Fenghua QIAN ; Qi SUN ; Xusheng JIANG ; Wen CHEN ; Mengwen SHEN
Laboratory Animal and Comparative Medicine 2024;44(6):636-644
Sepsis is a multi-organ dysfunction syndrome caused by infection and immune dysfunction, with a high mortality rate. It affects multiple important organs such as the heart, lungs, kidneys, liver, and brain. Establishing corresponding animal models of organ dysfunction syndrome is an essential step in clarifying its pathogenesis, researching potential effective drugs, and evaluating the effectiveness and safety of treatment plans. This article first summarizes classic modeling methods for sepsis related organ injury, including the destruction of intestinal barrier tissue integrity and the implantation of pathogens or toxic drugs. The former mainly includes cecal ligation and puncture, ascending colon stent implantation, and cecal ligation incision. The latter is divided into intraperitoneal injection, intravenous injection, and intratracheal administration based on the clinical infection route being simulated. Cecal ligation and puncture and lipopolysaccharide intraperitoneal injection are the most commonly used methods. Secondly, this article summarizes the common modeling methods and evaluation methods for animal models of sepsis-induced cardiomyopathy, acute lung injury, acute kidney injury, acute liver injury, and brain dysfunction. It points out that almost all organ injuries use classic modeling methods, and different organ injury models have additional modifications according to their different pathogenesis. For example, in addition to the classic modeling methods, lipopolysaccharide instillation in the trachea is more effective in modeling acute lung injury as it better simulates lung barrier dysfunction. Cecal ligation and puncture followed by Pseudomonas instillation in the trachea in a secondary challenge model better represents sepsis-induced acute kidney injury. Intraperitoneal injection of galactosamine is a mature modeling method of sepsis-induced acute liver injury. Intracerebral injection of lipopolysaccharide is a feasible model of sepsis-associated encephalopathy. In addition to the different modeling methods, there are differences in the administration time, dosage and experimental time points according to the different experimental purposes. This article reviews the research progress of animal experimental models for sepsis-induced cardiomyopathy, acute lung injury, acute kidney injury, acute liver injury, and brain dysfunction, aiming to provide a reference for the selection of animal experimental models and optimization of experimental design.
2.Study on peel test of wearable electronic products based on peel force tester with full-angle
Hui ZHEN ; Shaohui QIN ; Bin WU ; Binbin WU ; Chunlei ZHANG ; Yue WANG ; Yizhou QI
China Medical Equipment 2024;21(5):36-41
Objective:To develop adjustable peel force tester with peel angle from 0° to 180°,so as to realize the test for the performance of interface adhesion of wearable electronic products under multi angles.Methods:The rotating platform of angle adjustment component was used to realize free adjustment of peel angle from 0° to 180°.A method of peel test procedure based on the peel force tester with full-angle was established,and the comparative experiment between that and tensile testing machine was conducted.The peel tests of various kinds of wearable electronic products were conducted under peel angle of 45°,90° and 180°.Results:The test results of the peel force tester with full-angle were consistent with those of the tensile testing machine,which function opposed reliability.The peel test results of more than 10 wearable electronic products indicated that the peel force tester with full-angle could effectively determinate the performance of interface adhesion.Conclusion:The peel force tester with full-angle can effectively appear the performance of the interface adhesion of wearable electronic products,which provides basis for establishing the standard of peel test of wearable electronic products.
3.Impact of simulator-MDT-PBL integrated teaching on the quality of clinical internship teaching in gynecology department
Jiajia MA ; Ru JING ; Yuan SHI ; Chunlei QI ; Shujuan LIU
Chinese Journal of Medical Education Research 2024;23(8):1087-1091
Objective:To investigate the impact of simulator-multidisciplinary treatment (MDT)-problem-based learning (PBL) integrated teaching on the quality of clinical internship teaching in the Gynecology Department.Methods:A retrospective analysis was conducted on the data of 86 clinical interns in the Gynecology Department who completed one month of internship at Xijing Hospital, Air Force Medical University from May 2021 to May 2022. The interns who received routine teaching from May to October 2021 were enrolled into control group ( n=43), and those who received simulator-MDT-PBL integrated teaching from November 2021 to May 2022 were enrolled into observation group ( n=43). The two groups were compared for differences in professional abilities (measured by Readiness for Interprofessional Learning Scale [RIPLS]), humanistic care ability (measured by humanistic care ability scale), critical thinking ability (measured by critical thinking disposition inventory-Chinese version [CTDI-CV]), and autonomous learning ability (measured by college student autonomous learning scale) after one month of teaching. The chi-square test and t-test were conducted using SPSS 19.0. Results:The two groups showed significantly increases in RIPLS scores [team collaboration: (38.45±6.72) vs. (36.39±5.65); professional identity: (28.11±5.85) vs. (26.43±5.33); role responsibilities: (10.83±1.24) vs. (9.52±1.46)], humanistic care ability scale scores [understanding: (68.73±8.15) vs. (61.55±8.93); patience: (53.45±6.03) vs. (49.57±6.74); encouragement: (56.83±7.24) vs. (52.75±7.46)], and all dimensions of CTDI-CV scale and college student autonomous learning scale, with all scores higher in the observation group than in the control group (all P<0.05). Conclusions:The simulator-MDT-PBL integrated teaching can help improve the professional ability, humanistic care ability, critical thinking ability, and autonomous learning ability of clinical interns in the Gynecology Department, thus improving the quality of clinical internship teaching in the Gynecology Department.
4.Application of "group-based" TA guidance model in the construction of homogenized clinical skill training system
Mengwen SHEN ; Chunlei DING ; Lei ZHAO ; Wenyan GU ; Qi SUN ; Liang ZHANG ; Fenghua QIAN
Chinese Journal of Medical Education Research 2023;22(6):908-911
Objective:To evaluate the application effect of the "group-based" teaching assistant (TA) guidance model in homogenized clinical skill training.Methods:A pilot study was conducted on the cardiopulmonary resuscitation training course, and 32 students majoring in clinical integrative Chinese and Western medicine (five-year program) who were admitted to Shanghai University of Traditional Chinese Medicine in 2018 were randomly divided into control group ( n = 16) and TA group ( n = 16). The control group received traditional teaching methods, and the TA group was further divided into subgroups A, B, C, and D, with four graduate TAs providing group-based teaching. The groups were compared in terms of their satisfaction and test scores. SPSS 25.0 was used for t-test and analysis of variance. Results:The satisfaction survey showed that compared with the control group, the TA group had significantly higher degree of satisfaction with the increased practical opportunities, clinical skill practical ability, learning effect, and overall satisfaction. The immediate test showed that there was no significant difference in test score between the TA group (85.19±2.93) points and the control group (82.75±4.52) points. The test 30 days later showed that the TA group (83.50±5.13) points had a significantly higher test score than the control group (74.68±3.87) points, and the control group had a significantly lower test score than that in the immediate test ( P <0.001); however, there was no significant difference in the TA group's score between the immediate test and the test 30 days later. Conclusion:The "group-based" TA guidance model has a good effect in homogenized clinical skill training, and has a stable long-term effect, with high student satisfaction.
5.Facilitators and barriers of weight self-management in breast cancer patients: a qualitative study
Lisha PANG ; Qian LU ; Meijuan LIU ; Ying BIAN ; Juan QI ; Fei ZHU ; Chunlei LIU
Chinese Journal of Modern Nursing 2023;29(1):14-19
Objective:To explore the facilitators and barriers of weight self-management (WSM) in breast cancer patients, so as to provide reference for WSM intervention in breast cancer patients.Methods:This study was a descriptive qualitative study. From July to October 2021, 17 patients with breast cancer admitted to the Affiliated Hospital of Hebei University were selected as research objects by purposive sampling. Semi-structured interviews were conducted with patients. The data were analyzed by thematic analysis.Results:Two themes of WSM facilitators and barriers of breast cancer patients were extracted. Facilitators included three subthemes, namely: correct personal perception, positive self-regulation, positive social influence and social support. Barriers were composed of five subthemes, namely: lack of knowledge and skills, negative emotions, unhealthy living habits, role conflicts, limited physical functions.Conclusions:Medical and nursing staff should strengthen WSM health education for breast cancer patients, improve their awareness of WSM, self-regulation ability and symptom self-management, encourage them to exercise moderately, so as to promote the WSM level of breast cancer patients.
6.Influence and clinical application of acupuncture therapy on weaning from mechanical ventilation
Qi SUN ; Chunlei DING ; Mengwen SHEN ; Lei ZHAO ; Yiming QIAN ; Fenghua QIAN
International Journal of Traditional Chinese Medicine 2022;44(10):1188-1191
The use of mechanical ventilation is more common in the diagnosis and treatment of clinical critically ill patients. However, in the process of mechanical ventilation, it may be difficult to withdraw from the machine due to various factors other than the primary disease. Among them, intra-abdominal hypertension, accumulation of analgesic and sedative drugs, and weakness of diaphragmatic function are common causes of difficulty in weaning. Acupuncture has obvious efficacy in regulating gastrointestinal function, exerting analgesic and sedative effect and improving muscle weakness. Acupuncture intervention can optimize the scheme of mechanical ventilation weaning, and improve the success rate by correcting different concurrent factors.
7.Effect of pectoral nerve block type Ⅱcombined with esketamine on anxiety and depression in patients with breast cancer undergoing modified radical mastectomy under general anesthesia
Lili YU ; Qi ZHOU ; Wei LI ; Panpan SONG ; Chunlei LI ; Qin ZHANG ; Xiuling CUI ; Yulin CHANG
Chinese Journal of Anesthesiology 2022;42(7):845-849
Objective:To evaluate the effect of pectoral nerve block type Ⅱ combined with esketamine on anxiety and depression in the patients with breast cancer undergoing modified radical mastectomy under general anesthesia.Methods:Eighty-four female patients, aged 18-64 yr, of American Society of Anesthesiologists physical status Ⅰor Ⅱ, with body mass index of 18-25 kg/m 2, undergoing elective first-time modified radical mastectomy for unilateral breast cancer, were divided into 2 groups ( n=42 each) using a random number table method: routine group (R group) and pectoral nerve block type Ⅱ combined with esketamine group (PS group). Sufentanil was used for anesthesia induction and postoperative patient-controlled intravenous analgesia (PCIA) in group R, esketamine was used for anesthesia induction and postoperative PCIA, and type Ⅱ thoracic nerve block was performed under ultrasound guidance after anesthesia induction in group PS, and the rest of the drugs used were the same in both groups.The observer′s assessment of awareness/sedation scale score was recorded at the end of surgery, 30 min after the end of surgery, and at 6, 12 and 24 h after surgery.The Hospital Anxiety and Depression Scale was used to assess patients′ anxiety and depression at 1 day before surgery and at discharge.The intraoperative consumption of anesthetics, emergence time, postanesthesia care unit stay time, pressing times of PCIA, requirement for rescue analgesia, hospital costs, length of postoperative hospital stay, satisfaction scores of surgeons and patients were recorded at discharge.The occurrence of adverse reactions was also recorded after operation. Results:Compared with group R, the observer′s assessment of awareness/sedation scale score were significantly increased at the end of surgery and 30 min after surgery, the consumption of propofol and remifentanil was decreased, the emergence time and postanesthesia care unit stay time were shortened, the incidence of nausea and vomiting was decreased, the Hospital Anxiety and Depression Scale score was decreased at discharge, the incidence of anxiety and depression was decreased, the satisfaction scores of surgeons and patients were increased, and the length of postoperative hospital stay was shortened in group PS ( P<0.05). Conclusions:Pectoral nerve block type Ⅱ combined with esketamine can optimize the efficacy of anesthesia and relieve early postoperative anxiety and depression in the patients undergoing modified radical mastectomy for breast cancer under general anesthesia.
8.Research progress on the effect and mechanism of Tai Ji Quan in the treatment of post-stroke depression
Jianzhong ZHANG ; Yang LIU ; Zhaoyuan LI ; Yuefeng BIAN ; Qian ZHOU ; Chunlei SHAN ; Rui QI ; Fuqing ZHANG
Journal of Acupuncture and Tuina Science 2022;20(5):412-418
To explore the clinical efficacy and possible mechanism of Tai Ji Quan for post-stroke depression (PSD), literature related to Tai Ji Quan and PSD were retrieved from China National Knowledge Infrastructure (CNKI), Wanfang Academic Journal Full- text Database (Wanfang), Chongqing VIP Database (CQVIP), China Biology Medicine Disc (CBM), and PubMed, screened and then summarized. The results showed that Tai Ji Quan could effectively improve the depression and quality of life of stroke patients, and there were differences in the clinical efficacy among different training programs. Tai Ji Quan has the characteristics of "regulating mind", "regulating breath", and "regulating body". It may achieve the effect of "combined physique-spirit treatment" by improving social psychology, increasing the level of neurotrophin, regulating neuroendocrine, reducing inflammatory factors, and regulating neural circuits.
9.Suppressive effect of lignans from Euphorbia neriifolia L.on esophageal squamous cancer cell
Weiyan QI ; Chunlei XIA ; Roujin AN ; Xinmei Gao ; Dongping LI ; Hanmei XU
Journal of China Pharmaceutical University 2022;53(1):93-98
Eubhorbia neriifolia L. is a plant of Euphorbia family.Five known lignans were isolated from the aerial parts of E. neriifolia L. by silica gel for column chromatography and preparative high-performance liquid chromatography (HPLC).Their potential antitumor activities were evaluated in vitro.Compound 2 exhibited proliferation inhibition and cytotoxicity against esophageal squamous cancer cells, especially KYSE-410 and KYSE-450 cells.Further analyses showed that compound 2 could significantly induce apoptosis through the activation of caspase 3/9 and down-regulation of the Bcl-2/Bax protein ratio.These results suggested that compound 2 had a significant inhibitory effect on the esophageal squamous cancer cells, especially KYSE-410, which deserves further research as a potential antitumor agent.
10.Status and influencing factors of body image in young breast cancer patients
Wan ZHANG ; Qian LU ; Chunlei LIU ; Juan QI ; Ying BIAN ; Meijuan LIU
Chinese Journal of Modern Nursing 2022;28(7):893-900
Objective:To explore the body image of young breast cancer patients and analyze its influencing factors.Methods:This study is a cross-sectional survey. Using the convenient sampling method, a total of 315 young breast cancer patients who were hospitalized in a ClassⅢ Grade A cancer hospital from March to May 2021 were selected as the research objects. The patients were investigated by general information questionnaire, Body Image Self-rating Questionnaire for Breast Cancer (BISQ-BC) and Medical Coping Modes Questionnaire (MCMQ) . Pearson correlation was used to analyze the correlation among variables. Multiple linear regression was used to analyze the influencing factors of body image in young breast cancer patients. A total of 315 questionnaires were sent out and 310 were effectively received, with effective recovery rate of 98.4% (310/315) .Results:The body image score of 310 young breast cancer patients was (3.03±0.58) . Univariate analysis showed that education level, family residence, per capita monthly income of the family, clinical stage, postoperative time, chemotherapy, radiotherapy, endocrine therapy and BMI were the influencing factors for the body image of young breast cancer patients ( P<0.05) . Acceptance-resignation and avoidance responses were positively correlated with the body image mean and each dimension score of breast cancer patients ( P< 0.01) , while the Confrontation was negatively correlated with the body image mean and each dimension score of breast cancer patients ( P<0.01) . The results of multiple linear regression analysis showed that educational level, clinical stage, body mass index, chemotherapy, endocrine therapy, acceptance-resignation and avoidance and confrontation were the influencing factors of body image in young breast cancer patients (adjusted R2=0.759, F=122.826, P<0.01) . Conclusions:There is a certain degree of body image distress in young breast cancer patients, and education level, clinical stage, body mass index, chemotherapy, endocrine therapy, acceptance-resignation and avoidance and confrontation of patients are closely related to the body image. In clinical practice, reasonable intervention programs should be formulated according to influencing factors to improve body image status.

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