1.Proctor's Reporting Guideline for Implementation Strategies: Interpretation, Application, and Challenges
Jiangyun CHEN ; Jinghan LIU ; Youping ZHUANG ; Xueying CHEN ; Siyuan LIU ; Xiaoshan CHEN ; Yeqing ZHAN ; Dongmei ZHONG ; Huadan HUANG ; Dong XU
Medical Journal of Peking Union Medical College Hospital 2026;17(1):263-273
The Proctor's reporting guideline for implementation strategies represents a landmark framework in the field of implementation science, aiming to address the issue of inconsistent reporting in implementation research by standardizing the naming, definition, and operationalization of implementation strategies, thereby enhancing the credibility and utility of research findings. This paper provides an in-depth interpretation of the core connotations of this reporting guideline and illustrates its application in developing interview outlines and specifying implementation strategies, using a brief smoking cessation intervention project as a case study. Through this reporting guideline, abstract recommendations for implementation are systematically transformed into clear, multidimensional operational guides, significantly improving the transparency of strategy connotations and the replicability of actual execution. Meanwhile, the case study highlights the flexibility of the guideline, which allows researchers to adapt the content and format of strategies based on local resources and cultural contexts, thus enhancing practical adaptability while maintaining scientific rigor. However, the application of Proctor's reporting guideline still faces challenges, primarily manifested in the potential confusion surrounding the constructs of temporality and dose in practice, as well as the challenges that the inherent flexibility of the guideline may pose to the assessment of fidelity and effectiveness. Despite these limitations, the reporting guideline remains a vital tool for implementation research; future efforts should focus on optimizing its application—through refining operational guidelines, standardizing flexible adaptations, and involving stakeholders—to better guide implementation studies and continuously promote high-quality development in the field.
2.Research advances in the application of artificial intelligence in transfusion medicine
Xinxin YANG ; Shilan XU ; Bing HAN ; Lixin WANG ; Fu CHENG ; Dongmei YANG ; Bin TAN ; Li QIN ; Chunxia CHEN
Chinese Journal of Blood Transfusion 2025;38(11):1502-1513
Objective: To review the current development of artificial intelligence (AI) technology in the field of transfusion medicine. Methods: A systematic search was conducted in the Clarivate Web of Science Database from inception to December 2024 for literature related to AI and transfusion. A total of 4 775 publications were identified. Based on inclusion and exclusion criteria, 133 original studies were ultimately included and analyzed using a narrative synthesis approach. Results: Research on AI in transfusion has surged since 2020 (accounting for 77% of all publications), with China ranking second globally in publication volume. Among the included studies, 69.2% focused on predicting individual transfusion needs, followed by inventory management (8.3%), diagnosis and prediction of adverse transfusion reactions (6.0%), factors influencing transfusion outcomes (5.3%), blood group identification (5.3%), blood quality testing (4.5%), and precise blood volume measurement (1.5%). Additionally, 4.5% of the studies were published in journals with an impact factor greater than 10; 19.5% developed software or applications; 31.5% were multi-center studies; 48.1% utilized decision tree methods, while 31.5% employed neural network approaches; and 14.2% conducted external validation of the algorithms. Conclusion: AI demonstrates significant potential in transfusion risk prediction, decision support, and blood management. However, challenges remain, including limited model generalizability, insufficient algorithm interpretability, and barriers to clinical translation. The deep integration of AI with transfusion medicine will accelerate the advent of precision transfusion era, maximizing blood resource utilization, reducing waste, and ensuring transfusion safety.
3.Effect of visual training equipment combined with conventional corrective treatment on children with ametropic amblyopia
Yifan LIU ; Sisi XU ; Tao CHEN ; Mengke CUI ; Dongmei ZHU
International Eye Science 2025;25(10):1580-1584
AIM: To explore the clinical application effect of visual training equipment combined with conventional corrective treatment on children with ametropic amblyopia(AMA).METHODS: Prospective randomized control study. A total of 188 children(376 eyes)with AMA treated in our hospital from June 2021 to December 2022 were selected, and they were divided into two groups using a random number table. The conventional correction group(94 cases, 188 eyes)received conventional correction treatment, while the visual training group(94 cases, 188 eyes)received visual training equipment combined with conventional correction treatment, both lasted for 12 mo. The best corrected visual acuity, diopter, eye accommodation function, adverse reactions, amblyopia recurrence rates, and clinical efficacy were compared between the two groups at 6 and 12 mo after treatment.RESULTS:The two groups each had 8 cases(16 eyes)detached, the rate of loss to follow-up was 8.5%, and 86 cases(172 eyes)were included in each group. There were statistically significant differences in the best corrected visual acuity, diopter, amplitude of accommodation, accommodation facility and accommodative lag between the two groups of children before and after treatment(all P<0.05). The total effective rate of the visual training group(98.8%)was higher than that of the conventional correction group(91.9%; P<0.05). There was no statistically significant difference in the total effective rate of clinical efficacy between the two groups in different age groups and different degrees of amblyopia(all P>0.05). There was no statistically significant difference in the incidence of redness and swelling between the two groups(P>0.05). The recurrence rate of amblyopia in the visual training group(1.2%)was lower than that in the conventional correction group(8.1%; P<0.05).CONCLUSION: The combination of visual training equipment and conventional correction therapy has a significant clinical effect on children with AMA, which can effectively correct visual acuity, adjusting diopter and improve eye accommodation function, and recurrence rate of amblyopia is low and safety is high.
4.Mechanism of acupuncture for chronic blunt injury of lumbar muscle based on IGF-1/PI3K/AKT pathway.
Qun CHEN ; Dongmei WANG ; Zhengyu YANG ; Xiulian ZHENG ; Jianping LIN ; Shaoqing CHEN
Chinese Acupuncture & Moxibustion 2025;45(12):1759-1769
OBJECTIVE:
To explore the effect and mechanism of acupuncture at "Weizhong" (BL40) on microcirculation of paravertebral skeletal muscle in rats with chronic blunt injury of lumbar muscle based on the insulin-like growth factor-1 (IGF-1)/phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT) pathway.
METHODS:
Forty-eight SPF-grade SD rats were randomized into a blank group (8 rats) and a modeling group (40 rats). Chronic blunt injury model was established by weight impact method in the modeling group. Forty rats were successfully modeled, and were randomly divided into a model group, an acupuncture at Weizhong group (Weizhong group), an acupuncture at non-acupoint group (non-acupoint group), an inhibitor group, and an inhibitor+acupuncture at Weizhong group (inhibitor+Weizhong group), 8 rats in each group. In the Weizhong group and the inhibitor+Weizhong group, acupuncture was applied at bilateral "Weizhong" (BL40). In the non-acupoint group, acupuncture was applied at non-acupoints, i.e. points 0.5 cm inward from bilateral "Weizhong" (BL40). The acupuncture intervention was delivered 20 min each time, once a day for continuous 2 weeks. In the inhibitor group and the inhibitor+Weizhong group, intraperitoneal injection of IGF-1 receptor (IGF-1R) inhibitor was given once a day, at a dosage of 2 mg/100 g, for continuous 2 weeks. Before modeling and on the 1st, 7th and 14th days of intervention, the body mass was measured. Before and after modeling, and after intervention, the limb grip strength and paw withdrawal threshold (PWT) were measured. After intervention, the morphology of psoas muscle was observed by HE staining; the ultrastructure of psoas muscle capillaries was observed by electron microscopy; the levels of serum vascular endothelial growth factor (VEGF) and endothelial nitric oxide synthase (eNOS) were detected by ELISA; and the protein and mRNA expression of IGF-1, IGF-1R, PI3K, AKT of psoas muscle was detected by Western blot and real-time PCR.
RESULTS:
Compared with the blank group, in the model group, the body mass on the 7th and 14th days of intervention, the limb grip strength, and the PWT of left and right hind feet were decreased (P<0.001, P<0.01); the skeletal muscle cells showed enlarged intercellular space, loosely arranged and irregularly shaped, the capillaries in the psoas muscle tissues were edematous, and the lumen of the blood vessels was obviously atrophied; the levels of serum VEGF and eNOS were decreased (P<0.001); in psoas muscle, the protein expression of IGF-1 and IGF-1R, as well as the p-PI3K/PI3K, p-AKT/AKT values were decreased (P<0.001), the mRNA expression of IGF-1, IGF-1R, PI3K and AKT was decreased (P<0.001, P<0.05). Compared with the model group, in the Weizhong group, the body weight was increased on the 7th and 14th days of intervention (P<0.001), the limb grip strength and the PWT of the left and right hind feet were increased (P<0.001, P<0.01); the arrangement of the skeletal muscle cells was relatively tight and the intercellular space was reduced, the blood vessels tended to be regular and the structure of the basement membrane was continuous, while the lumens of blood vessels were collapsed locally; the levels of serum VEGF and eNOS were increased (P<0.001); in psoas muscle, the protein expression of IGF-1 and IGF-1R, as well as the p-PI3K/PI3K, p-AKT/AKT values were increased (P<0.001), the mRNA expression of IGF-1, IGF-1R, PI3K and AKT was increased (P<0.001, P<0.01). Compared with the model group, in the inhibitor group, the body mass was decreased on the 7th and 14th days of intervention (P<0.05, P<0.01); the limb grip strength and the PWT of the left hind foot were decreased (P<0.01, P<0.001); the intercellular space of skeletal muscle cells was larger, the nuclei of the cells and erythrocytes were scattered in the intercellular space, the damage of the capillaries in the muscular tissues was serious, the collagen fibers were sparsely distributed and disorganized; the levels of serum VEGF and eNOS were decreased (P<0.001, P<0.01); in psoas muscle, the protein expression of IGF-1 and IGF-1R, as well as the p-PI3K/PI3K and p-AKT/AKT values were decreased (P<0.01, P<0.05, P<0.001), the mRNA expression of IGF-1, IGF-1R, PI3K, and AKT was decreased (P<0.01, P<0.001, P<0.05). Compared with the Weizhong group, in the non-acupoint group and the inhibitor+Weizhong group, the body mass was decreased on the 7th and 14th days of intervention (P<0.001, P<0.01), the limb grip strength was decreased (P<0.001); the morphology of muscle cell was relatively poor, with generally irregular, there was mild collapse and atrophy in the vascular lumen, and mild edema in the endothelial cells; the levels of serum VEGF and eNOS were decreased (P<0.001); in psoas muscle, the protein expression of IGF-1 and IGF-1R, as well as the p-PI3K/PI3K and p-AKT/AKT values were decreased (P<0.01, P<0.001), the mRNA expression of IGF-1, IGF-1R, PI3K, and AKT was decreased (P<0.001, P<0.01, P<0.05). Compared with the Weizhong group, the PWT of the left hind foot was decreased in the non-acupoint group (P<0.001), and PWT of the left and right hind feet was decreased in the inhibitor+Weizhong group (P<0.001).
CONCLUSION
Acupuncture at "Weizhong" (BL40) promotes lumbar muscle repair in chronic low back pain, its mechanism may be related to the activation of the IGF-1/PI3K/AKT pathway, thereby improving the microcirculation.
Animals
;
Insulin-Like Growth Factor I/genetics*
;
Acupuncture Therapy
;
Rats, Sprague-Dawley
;
Rats
;
Proto-Oncogene Proteins c-akt/genetics*
;
Male
;
Humans
;
Muscle, Skeletal/metabolism*
;
Signal Transduction
;
Phosphatidylinositol 3-Kinases/genetics*
;
Wounds, Nonpenetrating/metabolism*
;
Acupuncture Points
5.Characteristic ion Identification of Different Original Haliotidis Concha and Its Counterfeits
Xiaojie LIANG ; Guowei LI ; Lin ZHOU ; Qiping HU ; Muxiang LUO ; Jiehao TANG ; Xiangdong CHEN ; Liye PAN ; Dongmei SUN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(11):263-269
ObjectiveTo establish a method for the identification of Haliotidis Concha and its counterfeits, and to improve its quality evaluation method. MethodsA total of 17 batches of Haliotis discus hannai, 4 batches of H. ruber, 3 batches of H. laevigata, 3 batches of H. ovina, 3 batches of H. diversicolor, 3 batches of H. asinina, 3 batches of H. iris were collected. Ultra-high performance liquid chromatography-quadrupole/electrostatic field orbitrap high-resolution mass spectrometry(UPLC-Q-Exactive-Orbitrap-MS/MS) was used to analyze the hydrolysates of different original Haliotidis Concha and its counterfeits, and the potential characteristic ions of each species were screened by Venn diagram. UPLC-triple quadrupole tandem mass spectrometry(UPLC-QqQ-MS/MS) was used to validate the characteristic ions, and the specific detection method of the characteristic ions was established. ResultsA total of 1 182, 167, 47, 89, 104, 203, 424 potential characteristic ions were screened from H. discus hannai, H. ruber, H. laevigata, H. ovina, H. diversicolor, H. asinina and H. iris, respectively. And 9 characteristic ions were selected. The precision, stability and repeatability of the 9 characteristic ions in the established identification method met the requirements. Different original Haliotidis Concha and its counterfeits could detect their own characteristic ions, including m/z 631.83-886.48(double charge) and m/z 631.83-443.74(double charge) of H. discus hannai, m/z 699.28-232.11(double charge) and m/z 699.28-544.27(double charge) of H. ruber, m/z 535.76-752.37(double charge) and m/z 535.76-548.28(double charge) of H. laevigata, m/z 708.35-442.28(double charge) and m/z 708.35-215.14(double charge) of H. ovina, m/z 561.33-614.86(triple charge), m/z 561.33-468.28(triple charge), m/z 608.29-618.32(double charge) and m/z 608.29-390.21(double charge) of H. diversicolor, m/z 769.85-274.10(double charge), m/z 769.85-532.75(double charge), m/z 827.43-646.36(single charge), m/z 827.43-257.12(single charge) of H. asinina, and m/z 468.24-576.29(double charge) and m/z 468.24-505.26(double charge) of H. iris. ConclusionIn this study, a total of 9 characteristic ions are screened from 6 kinds of original Haliotidis Concha and its counterfeits, and a specific identification method is established, which is helpful to solve the limitations of the existing quality evaluation methods of Haliotidis Concha, and provide a basis for the production, circulation and medication quality.
6.Characteristic ion Identification of Different Original Haliotidis Concha and Its Counterfeits
Xiaojie LIANG ; Guowei LI ; Lin ZHOU ; Qiping HU ; Muxiang LUO ; Jiehao TANG ; Xiangdong CHEN ; Liye PAN ; Dongmei SUN
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(11):263-269
ObjectiveTo establish a method for the identification of Haliotidis Concha and its counterfeits, and to improve its quality evaluation method. MethodsA total of 17 batches of Haliotis discus hannai, 4 batches of H. ruber, 3 batches of H. laevigata, 3 batches of H. ovina, 3 batches of H. diversicolor, 3 batches of H. asinina, 3 batches of H. iris were collected. Ultra-high performance liquid chromatography-quadrupole/electrostatic field orbitrap high-resolution mass spectrometry(UPLC-Q-Exactive-Orbitrap-MS/MS) was used to analyze the hydrolysates of different original Haliotidis Concha and its counterfeits, and the potential characteristic ions of each species were screened by Venn diagram. UPLC-triple quadrupole tandem mass spectrometry(UPLC-QqQ-MS/MS) was used to validate the characteristic ions, and the specific detection method of the characteristic ions was established. ResultsA total of 1 182, 167, 47, 89, 104, 203, 424 potential characteristic ions were screened from H. discus hannai, H. ruber, H. laevigata, H. ovina, H. diversicolor, H. asinina and H. iris, respectively. And 9 characteristic ions were selected. The precision, stability and repeatability of the 9 characteristic ions in the established identification method met the requirements. Different original Haliotidis Concha and its counterfeits could detect their own characteristic ions, including m/z 631.83-886.48(double charge) and m/z 631.83-443.74(double charge) of H. discus hannai, m/z 699.28-232.11(double charge) and m/z 699.28-544.27(double charge) of H. ruber, m/z 535.76-752.37(double charge) and m/z 535.76-548.28(double charge) of H. laevigata, m/z 708.35-442.28(double charge) and m/z 708.35-215.14(double charge) of H. ovina, m/z 561.33-614.86(triple charge), m/z 561.33-468.28(triple charge), m/z 608.29-618.32(double charge) and m/z 608.29-390.21(double charge) of H. diversicolor, m/z 769.85-274.10(double charge), m/z 769.85-532.75(double charge), m/z 827.43-646.36(single charge), m/z 827.43-257.12(single charge) of H. asinina, and m/z 468.24-576.29(double charge) and m/z 468.24-505.26(double charge) of H. iris. ConclusionIn this study, a total of 9 characteristic ions are screened from 6 kinds of original Haliotidis Concha and its counterfeits, and a specific identification method is established, which is helpful to solve the limitations of the existing quality evaluation methods of Haliotidis Concha, and provide a basis for the production, circulation and medication quality.
7.Effect of personalized ETA appliance on mixed dentition stage patients with Class Ⅱ malocclusion
ZUO Xiang ; LI Qin ; ZHANG Youmeng ; CHEN Weixu ; MA Xiaokai ; LI Dongmei
Journal of Prevention and Treatment for Stomatological Diseases 2025;33(6):502-508
Objective:
To explore the impact of personalized early treatment appliances (ETA) on the relationship between dental and maxillofacial structures in patients with ClassⅡ malocclusion during the replacement phase, and to provide a basis for clinical treatment.
Methods:
This study was reviewed and approved by the Medical Ethics Committee, and informed consent was obtained from patients. From May 2023 to December 2023, 15 patients with Angle ClassⅡ malocclusion accompanied by mandibular retraction and anterior deep overjet during mixed dentition were enrolled in this study (8 males and 7 females; mean age 8.8 years). Each patient received a customized domestically manufactured ETA that was created based on dental arch dimensions, overjet severity, and occlusal relationships assessed from study models. Patients were instructed to wear the appliance for at least 2 hours during the day and throughout the night. The treatment duration was 6 months, at which time the changes in cephalometric data before treatment (T0) and after treatment (T1) were compared using Uceph software
Results:
The angle between sella, nasion and supramentale point B (SNB) of the patients increased significantly by (1.03 ± 1.74°) compared to before treatment (P = 0.039). The angle between subspinale point A and supramentale point B (ANB), the distance between point A and point B on the FH plane (wits value), the overjet, and the overbite decreased by (0.47 ± 0.61°), (2.48 ± 2.11) mm, (2.48 ± 3.42) mm, and (0.79 ± 1.40) mm, respectively, compared to before treatment, and the differences were statistically significant (P<0.05). The angle between sella, nasion and subspinale point A (SNA), the angle between the FH and MP planes (FMA), the angle between the long axis of the L1 and MP plane (IMPA), the angle between the MP plane and SN plane (MP-SN), the distance from S to Go divided by the distance from N to Me (S-Go/N-Me), and the distance of the FH plane perpendicular from G point to the Pog point (G Vert Pog) increased compared to before treatment, while the angle between the SGn and FH planes (Y-axis) and the angle between the long axis of the L1 and FH plane (FMIA) decreased compared to before treatment, but there was no statistical difference (P>0.05).
Conclusion
Personalized, customized ETA orthodontic appliances can effectively improve the sagittal and vertical relationships between the maxilla and mandible in patients with ClassⅡ malocclusion.
8.Correlation between serum glycoprotein non-metastatic melanoma protein B levels and disease severity and prognosis in patients with acute ischemic stroke
Yu GUO ; Weiguan CHEN ; Sanlian ZHOU ; Liqiao TANG ; Wangyan SUN ; Dongmei ZHANG ; Hongjian LU
Journal of Capital Medical University 2025;46(4):702-709
Objective This study mainly focuses on the relationship between the serum glycoprotein non-metastatic melanoma protein B(GPNMB)concentration and the degree of neurological damage and prognosis in patients with acute ischemic stroke(AIS),and screens potential biomarkers to provide a reference for clinical diagnosis and treatment.Methods A total of 105 AIS patients hospitalized in the Department of Neurology of the Hospital 2 of Nantong University from June 2023 to March 2024 were selected as the sample group.In this study,the patients were divided into mild group(n=42)and moderate to severe group(n=63)according to the National Institutes of Health Strobe Scale(NIHSS)score within 24 hours of admission.The Modified Rankin Scale(mRS)was used to evaluate the functional recovery 3 months after discharge.The samples were subdivided into good prognosis group(n=34)and poor prognosis group(n=71).The serum GPNMB protein level was detected by ELISA,and the correlation between serum GPNMB protein level and NIHSS and mRS scores was analyzed.The binary Logistic regression model was used to evaluate the predictive value and prognostic evaluation value of serum GPNMB protein level for AIS neurological function damage.Results The serum GPNMB protein concentration in patients with moderate to severe neurological impairment and poor prognosis was significantly lower than that in patients with mild and good prognosis(P<0.05).The serum GPNMB protein level was significantly negatively correlated with the NIHSS score(r=-0.196,P<0.05)and the mRS score(r=-0.334,P<0.05).Multivariate regression analysis showed that GPNMB was still a key independent risk factor for AIS(P<0.05).The evaluation results obtained based on the receiver operating characteristic curve(ROC)showed that the serum GPNMB protein level had diagnostic value in predicting neurological impairment and poor prognosis(sensitivity reached 55.6%,specificity was 81.8%,and the overall accuracy was 63.81%,P<0.05).Conclusion There is a significant positive correlation between the decrease in serum GPNMB protein concentration and the degree of neurological damage in AIS patients,and it is likely to become an important biological indicator for measuring the severity of the disease and long-term prognosis.
9.Effects of Lycium barbarum glycopeptide on testes of senescent rats induced by D-galactose
Wenxin MA ; Chang LIU ; Jing PU ; Hongmei LI ; Li YANG ; Xiangdong ZHU ; Dongmei CHEN ; Huiming MA
Chinese Journal of Veterinary Science 2025;45(6):1296-1304
To investigate the protective effect of Lycium barbarum glycopeptide(LbGp)on testicu-lar injury induced by D-galactose(D-gal)in aging rats,male SD rats were randomly divided into 6 groups:the blank control group(Control),aging model group(Model),positive control group(β-nicotinamide mononucleotide,NMN),low dose LbGp group(LLbGp),medium dose LbGp group(MLbGp)and high dose LbGp group(HLbGp).The testicular mass of rats was counted,the morphological changes of testicular tissue were observed by hematoxylin-eosin(HE)staining,the testicular senescence was detected by β-galactosidase(SA-β-gal)staining,and the levels of testos-terone(T),luteinizing hormone(LH)and follicle stimulating hormone(FSH)in serum were de-tected.The levels of oxidative factors such as glutathione peroxidase(GSH-Px),superoxide dis-mutase(SOD),malondialdehyde(MDA),catalase(CAT)and inflammatory factors such as tumor necrosis factor-α(TNF-α),interleukin-1β(IL-1β)and interleukin-6(IL-6)in rat tissues were measured.TUNEL staining was used to detect the apoptosis of testicular cells,epididymal sperm quality,and the expression of Keap1,Nrf2 and Nqo1 mRNA were analyzed.The results showed that compared with the Model group,the testicular coefficient of Lycium barbarum glycopeptide rats in MLbGp and HLbGp groups increased(P<0.01),the level of T in serum and sperm quality increased(P<0.05),the structural degeneration and aging of testicular tissue decreased(P<0.01),the level of antioxidant factors increased,and the levels of inflammatory factors and apopto-sis decreased(P<0.05).The expression of Keap1 decreased significantly(P<0.01),while the ex-pression of Nrf2 and Nqo1 mRNA increased(P<0.05).The above results indicate that Lycium barbarum glycopeptide can improve D-gal-induced testicular senescence,attenuate oxidative stress,reduce inflammatory response,decrease apoptosis,and exert a protective effect on testicular injury in rats due to senescence through the Keap1-Nrf2 signaling pathway.
10.Effect of degree of neuromuscular block on intraoperative surgical conditions and postoperative recovery quality in patients undergoing lumbar interbody fusion
Jie GUO ; Xiaoyi CHEN ; Junda CHEN ; Xinghe WANG ; Dong HUANG ; Dongmei YUE ; Linlin ZHAO ; Junli CAO ; Su LIU
Chinese Journal of Anesthesiology 2025;45(4):444-448
Objective:To evaluate the effect of the degree of neuromuscular blockade on the intraoperative surgical conditions and postoperative recovery quality in patients undergoing lumbar interbody fusion.Methods:In this randomized controlled trial, 100 patients of either sex, aged 18-79 yr, with a body mass index of 18.5-35.0 kg/m 2, of American Society of Anesthesiologists Physical Status classification < Ⅳ, scheduled for elective lumbar interbody fusion at the Affiliated Hospital of Xuzhou Medical University from August to October 2024, were allocated into 2 groups ( n=50 each) using stratified randomization based on the number of lumbar segments: deep neuromuscular blockade group (group D) and moderate neuromuscular blockade group (group M). The intraoperative post-tetanic count was maintained at 1 or 2 in group D, and the intraoperative train-of-four was maintained at 1 or 2 in group M. The scores for surgical conditions, duration of operation, blood loss, length of incision, occurrence of severe hypoxemia after extubation, requirement for rescue analgesia in post-anesthesia care unit, 15-item Quality of Recovery scale score and length of stay were recorded. Results:Compared with group M, the scores for surgical conditions were significantly increased, the rate of rescue analgesia in post-anesthesia care unit was decreased, 15-item Quality of Recovery scale scores were increased at 3 days after surgery ( P<0.05), and no significant changes were found in the duration of operation, blood loss, length of incision, incidence of severe hypoxemia after extubation and length of hospital stay in group D ( P>0.05). Conclusions:Compared with moderate neuromuscular blockade, deep neuromuscular blockade can provide better surgical conditions and improve the quality of early postoperative recovery for patients undergoing lumbar interbody fusion.


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