1.Effect of nourishing yin and tonifying yang method on inflammatory response and bone metabolism in patients with type 2 diabetes mellitus complicated with osteoporosis
Lingyun MA ; Defeng LIU ; Airu LIU ; Nana ZHANG ; Jiatong SONG ; Weiyu BIAN ; Yujuan JI ; Yunyan JI ; Wendong LI ; Xiu'e CHI
International Journal of Traditional Chinese Medicine 2025;47(3):312-317
Objective:To investigate the effect of nourishing yin and tonifying yang method on inflammatory response and bone metabolism in patients with T2DM complicated with osteoporosis (OP).Methods:A randomized controlled trial. From January 2022 to December 2023,80 patients with T2DM and OP in our hospital were selected as the observation objects, and they were divided into two groups by random number table method, with 40 cases in each group.On the basis of conventional treatment, the control group chewed vitamin D calcium chewable tablets, and the observation group added nourishing yin and tonifying yang Chinese medicine.Both groups were treated for 6 months. TCM syndrome scores were performed before and after treatment ;the levels of fasting blood glucose (FPG), 2 hPG and HbA1c were detected by intelligent blood glucose monitor;the levels of serum neutrophils and lymphocytes were detected by automatic blood analyzer, and the neutrophil/lymphocyte ratio (NLR) was calculated;the levels of serum IL-1β and TNF-α were detected by automatic chemiluminescence analyzer, the levels of type I procollagen amino terminal propeptide (PINP), type I collagen carboxy terminal peptide β special sequence (β-CTX) and 25-hydroxy vitamin D3 [25-(OH)D3] were detected by ELISA;Bone mineral density (BMD) was detected by bone mineral density detector. The adverse reactions during treatment were observed and recorded, and the clinical efficacy was evaluated.Results:The total effective rate was 92.5 %(37/40) in the observation group and 75.0 % (30/40) in the control group,the difference between the two groups was statistically significant ( χ2=4.50, P=0.034).After treatment, the scores of soreness and weakness of waist and knees, soreness and pain of waist and back, clear and long urine, pale tongue and white coating in the observation group were lower than those in the control group ( t=3.11, 3.75, 3.51, 3.74, P<0.01);the levels of serum FPG, 2 hPG and HbA1c in the observation group were lower than those in the control group ( t=3.11,3.20,3.39, P<0.01).The levels of serum NLR (2.63 ± 0.68 vs. 3.24 ± 0.79, t=3.70), IL-1β [(81.65 ± 8.30) ng/L vs. (89.03 ± 8.98) ng/L, t=3.82] and TNF-α [(35.14 ± 5.11) μg/L vs. (39.96 ± 5.38) μg/L, t=4.11] in the observation group were lower than those in the control group ( P<0.01). After treatment, the levels of PINP [(29.83 ± 3.92) ng/L vs. (34.02 ± 4.03) ng/L, t=4.71] and β-CTX [(21.30 ± 3.95 ) ng/L vs. (25.32 ± 4.18) ng/L, t=4.42] in the observation group were lower than those in the control group ( P<0.01), the levels of 25-(OH)D3 [(42.86 ± 5.12) μg/L vs. (38.08 ± 4.55) μg/L, t=4.41] and BMD [(0.90 ± 0.18) g/cm 3vs. (0.78 ± 0.16) g/cm 3, t=3.15] were higher than those in the control group ( P<0.01).During the treatment, the incidence of adverse reactions was 12.5% (5/40) in the observation group and 10.0 % (4/40) in the control group,there was no significant difference between the two groups ( χ2=0.13, P=0.723). Conclusion:The method of nourishing yin and tonifying yang can effectively improve the TCM syndromes of T2DM patients with OP, reduce the levels of blood glucose and inflammatory factors, improve bone metabolism, improve clinical efficacy and have good treatment safety.
2.Research progress on risk factors for acute kidney injury following left ventricular assist device implantation
Chun SHEN ; Yunhan BAO ; Yunyan WANG ; Tao ZHANG
Journal of Clinical Medicine in Practice 2025;29(11):144-148
Heart failure,as a severe consequence or late-stage manifestation of various cardiac conditions,is marked by high morbidity,high mortality,and high rates of readmission,significantly compromising patients' quality of life.Despite ongoing advancements in novel drugs and technologies that have improved the clinical efficacy of heart failure,5%to 10%of patients still progress to end-stage heart failure annually.Heart transplantation stands as an effective approach to enhance both the quality of life and survival rates for patients with end-stage heart failure.However,due to the scarcity of donor organs,it falls short of meeting the needs of a large number of patients.In this scenario,left ventricular assist device(LVAD)implantation emerges as a promising alternative therapeutic option for these patients.Acute kidney injury(AKI)represents one of the common complications encoun-tered after LVAD implantation,with notable morbidity and mortality rates.This article synthesized relevant research findings and literature to investigate the risk factors associated with the development of AKI in patients following LVAD implantation.
3.Research progress on exercise pre-rehabilitation in patients undergoing elective cardiac surgery
Ping ZHANG ; Anni HU ; Chun LIU ; Di WANG ; Hong HUANG ; Xiaoli XIE ; Yuexiu HU ; Qing ZHOU ; Yunyan SU
Journal of Clinical Medicine in Practice 2025;29(19):131-135
Cardiac surgery patients often present with multiple comorbidities,the risk of periop-erative complications and the complexity of postoperative rehabilitation have significantly increased,posing higher demands on comprehensive perioperative management.Preoperative exercise pre-reha-bilitation,as a multidisciplinary collaborative intervention strategy,has been demonstrated to signifi-cantly improve the clinical prognosis of patients undergoing elective cardiac surgery by enhancing their cardiopulmonary function,muscle strength,and overall physiological functional reserve,thereby in-creasing the body's tolerance to surgical stress.Although phase-specific research achievements have been made domestically and internationally in the field of exercise pre-rehabilitation,its standardized implementation and clinical translation on a global scale still face numerous obstacles,necessitating systematic review and in-depth exploration.Therefore,this study aimed to conduct a systematic re-view of the intervention protocols,clinical efficacy,safety,and feasibility of preoperative exercise pre-rehabilitation in patients undergoing elective cardiac surgery,with the goal of providing theoretical evidence and practical references for optimizing perioperative management pathways and promoting the implementation of enhanced recovery after surgery concepts.
4.Chinese Medicine in Treatment of Ulcerative Colitis by Regulating Intestinal Flora: A Review
Maoguang HUANG ; Sheng XIE ; Jinxin WANG ; Feng LUO ; Yunyan ZHANG ; Yueying CHEN ; Xiaoyan HUANG ; Liqun LI
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(2):267-275
Ulcerative colitis (UC) is a chronic, non-specific inflammatory bowel disease. The pathogenesis of this disease is complex and is attributed to multiple factors. Intestinal mucosal barrier damage is the basic pathological change of UC, and intestinal flora disorder is one of the important characteristics of UC. Intestinal flora plays a key role in the pathological process of UC by regulating intestinal mucosal immunity and inflammatory response to repair the damaged intestinal mucosal barrier. At present, western medicine has the advantages of rapid action onset and significant short-term efficacy, but the curative effect of long-term use is not good, accompanied by many adverse reactions, causing great physical and mental pain to patients. Therefore, it is urgent to explore new treatment methods with definite long-term efficacy and mild adverse reactions. A large number of studies have shown that Chinese medicine can regulate intestinal flora through multiple targets in an all-around way, restore the homeostasis of the flora, and repair the damaged intestinal mucosal barrier, thereby inhibiting the progression of UC. Numerous studies have shown that the active components, monomers, and compounds of Chinese medicine can effectively antagonize UC by regulating the intestinal flora to improve the intestinal mucosal immunity, reduce the inflammatory response of the intestinal mucosa, and restore the normal physiological function of the intestinal mucosal barrier, providing a new strategy for UC prevention and treatment. Although there are some studies of the regulation of intestinal flora by Chinese medicine to prevent and treat UC, those studies have the shortcomings of systematic and comprehensive inadequacy. Therefore, based on the research status of UC, intestinal flora, and Chinese medicine treatment, this study reviewed the relationship between intestinal flora and UC and clarified the key role of intestinal flora in the occurrence and development of UC. At the same time, this paper comprehensively summarized the Chinese medicine that targeted the regulation of intestinal flora for the treatment of UC in the past five years to provide new strategies and ideas for UC treatment.
5.Role of Autophagy in Ulcerative Colitis and Chinese Medicine Intervention: A Review
Maoguang HUANG ; Sheng XIE ; Jinxin WANG ; Feng LUO ; Yunyan ZHANG ; Yueying CHEN ; Shengnan CAI ; Xiaoyan HUANG ; Liqun LI
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(4):281-289
Ulcerative colitis (UC) is a chronic inflammatory bowel disease with complex etiology. The pathogenesis of this disease, due to a combination of factors, is complex and has not yet been elucidated. Among them, intestinal mucosal barrier damage is the basic pathological change of UC. As a non-destructive response of cells, autophagy regulates intestinal mucosal immunity, inflammation, oxidative stress, and bacterial homeostasis through degradation and reabsorption to actively repair damaged intestinal mucosal barrier, exerting a key role in the occurrence and development of UC. The disease is mainly treated clinically with aminosalicylic acid preparations, glucocorticoids, and immunosuppressants. Western medicine treatment of the disease has a fast onset of effect, and the short-term efficacy is definite, but the long-term application is easy to be accompanied by more adverse reactions. Moreover, some drugs are expensive, bringing great physical and mental pain and economic burden to patients. Therefore, it is urgent to explore new therapies with stable efficacy and mild adverse effects. In recent years, a large number of studies have shown that Chinese medicine can regulate autophagy of the intestinal mucosa with multiple targets and effects and repair the intestinal mucosal barrier function, thereby inhibiting the development of UC. Many experiments have shown that the active ingredient or monomers and compound formulas of Chinese medicine can improve the immunity of the intestinal mucosa, inflammation, oxidative stress, and flora by regulating the level of autophagy to maintain the normal function of the intestinal mucosal barrier to effectively intervene in UC, providing a new measure for the prevention and treatment of UC. However, there is a lack of systematic review of Chinese medicine in regulating the level of autophagy in the intestinal mucosa for the prevention and treatment of UC. Therefore, based on the current research on UC, autophagy process, and Chinese medicine treatment, this article reviewed the relationship of autophagy and its key target proteins with UC to clarify the key role of autophagy in UC production and systematically summarized Chinese medicines targeting the regulation of autophagy to treat UC in recent years to provide new ideas for the treatment and drug development of UC.
6.Clinical effect of Piezocision combined with a microporous technique on periodontal tissue reconstruction during anterior displacement of mandibular molars in adults
Yunyan KE ; Ligang ZHANG ; Xiaojun LU ; Xiuming ZHU ; Xuepeng CHEN
Chinese Journal of Primary Medicine and Pharmacy 2024;31(4):481-486
Objective:To investigate the clinical effectiveness of Piezocision combined with a microporous technique in accelerating periodontal tissue reconstruction during the anterior migration of mandibular molars in adults.Methods:A prospective, randomized, controlled study was conducted on 30 adult orthodontic patients recruited from Shaoxing Hospital of Traditional Chinese Medicine between January 2020 and September 2022. The inclusion criteria were patients who were unable to retain their first molars due to severe caries or long-term absence and were not suitable for implantation. Using the random number table method, the patients were randomly assigned to two groups: a simple orthodontic control group (Group A, n = 15) and a group that received Piezocision combined with a microporous technique (Group B, n = 15). After treatment, a comparison was made between the two groups in terms of mesial movement distance of the mandibular second molar, plaque index, gingival index, periodontal pocket depth, width of keratinized gingiva, gingival recession, clinical attachment loss, mesial root resorption of the mandibular second molar, alveolar bone height (measured as the distance from the center of the lower incisor to the anterior margin of the chin, referred to as the LM-AC distance), mandibular bone height (measured by the distance from the distal or mesial surface of the root to the alveolar bone margin, denoted as the CEJ-AC distance), and orthodontic satisfaction. Results:The mesial movement distances of the mandibular second molar in Group A patients were (0.86 ± 0.13) mm, (2.75 ± 0.24) mm, (3.54 ± 0.24) mm, and (4.67 ± 0.13) mm at 4, 6, 8, and 12 weeks, respectively. These values were significantly greater than those observed in Group B, which were (0.43 ± 0.06) mm, (1.27 ± 0.14) mm, (1.85 ± 0.53) mm, and (2.65 ± 0.06) mm ( t = 6.83, 14.13, 18.24, 23.78, all P < 0.001). Prior to treatment, there were no statistically significant differences in plaque index, gingival index, periodontal pocket depth, width of keratinized gingiva, gingival recession, or clinical attachment loss between the two groups (all P > 0.05). After treatment, Group A did not exhibit statistically significant differences in plaque index, gingival index, width of keratinized gingiva, and gingival recession compared with baseline values (all P > 0.05). However, in Group A, periodontal pocket depth and clinical attachment loss significantly increased compared with pretreatment levels ( t = -2.57, -7.50, both P < 0.05). After treatment, Group B exhibited significantly increased values for periodontal pocket depth, width of keratinized gingiva, gingival recession, and clinical attachment loss compared with baseline levels ( t = -8.66, -5.57, -45.33, -9.72, all P < 0.001). Furthermore, these values were significantly higher in Group B compared with those in Group A ( t = -4.28, -3.18, 10.00, 10.69, all P < 0.001). A statistically significant difference was also observed between the two groups in terms of mesial root resorption of the mandibular second molar ( t = 4.14, P < 0.001). However, there was no statistically significant difference in LM-AC distance between the two groups after treatment ( P > 0.05). Conclusion:The combination of Piezocision and a microporous technique can effectively accelerate the anterior migration of mandibular molars in adults while maintaining the health of periodontal tissues. This approach holds great potential for clinical promotion.
7.Mechanism of Qifu Qiangxin Decoction Relieving Myocardial Damage in Heart Failure Mice with Heart-Kidney Yang Defi-ciency Syndrome
Yunyan ZHANG ; Juncan DING ; Tianyu WANG
Journal of Zhejiang Chinese Medical University 2024;48(3):264-272
[Objective]To explore the mechanism of Qifu Qiangxin Decoction mitigating myocardial damage in heart failure(HF)mice with heart-kidney Yang deficiency syndrome.[Methods]Thirty C57BL/6 mice were randomly divided into Sham surgery group(Sham group),HF model(HF)group,low-dose Qifu Qiangxin Decoction(HF+QL)group,high-dose Qifu Qiangxin Decoction(HF+QH)group and western medicine[HF+angiotensin converting enzyme inhibitors(ACEI)]group,six in each group.In Sham group,the skin was cut open after anesthesia,the heart was exposed,the left anterior descending coronary artery was not in ligation,and then sutured.The rest were used to establish a mouse model of HF with heart-kidney Yang deficiency syndrome after myocardial infarction(MI)by ligating the left anterior descending coronary artery and swimming in cold water,then treated for 15 days.After treatment,the state of the mice was recorded,left ventricular end-diastolic volume(LVEDV),left ventricular end-systolic volume(LVESV),ejection fraction(EF)and left ventricular fractional shortening(LVFS)were measured by echocardiography to evaluate cardiac function;hematoxylin-eosin(HE)staining was used to evaluate the morphological of myocardial tissue;the serum levels of B-syndrome natriuretic peptide(BNP)were measured by enzyme linked immunosorbent assay(ELISA);terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling(TUNEL)was used to detect cardiomyocyte apoptosis;Western blot was used to determine the expression levels of apoptosis related proteins,autophagy related proteins and adenosine monophosphate-activated protein kinase/mammalian target of rapamycin(AMPK/mTOR)signaling pathway related proteins in mice myocardial tissue.[Results]Qifu Qiangxin Decoction can relieve the symptoms of HF in mice.Compared with Sham group,EF and LVFS values of mice in HF group were significantly decreased,while LVEDV and LVESV were significantly increased(P<0.01).Compared with HF group,EF and LVFS values in each group were significantly increased,while LVEDV and LVESV were significantly decreased(P<0.01),moreover,HF+QH group had a better effect than that of HF+QL group.According to HE staining,extensive necrotic myocardial tissue was observed in HF group compared with Sham group,and ELISA showed a significant increase in BNP levels(P<0.01).Compared with HF group,the pathological conditions of myocardial tissue were relieve in each group,and the level of BNP was also significantly reduced(P<0.01).TUNEL staining and Western blot results showed that the level of apoptosis in HF group was significantly increased compared with Sham group(P<0.05).Compared with HF group,the apoptosis level of the each group was significantly reduced(P<0.05).Therefore,Qifu Qiangxin Decoction could significantly reduce the level of cardiomyocyte apoptosis.Western blot detection of autophagy-related proteins and AMPK/mTOR signaling pathway related proteins showed that Qifu Qiangxin Decoction could significantly enhance autophagy level and regulate AMPK/mTOR signaling pathway in a concentration-dependent manner.[Conclusion]Qifu Qiangxin Decoction can regulate AMPK/mTOR signaling pathway,inhibit cell apoptosis and induce autophagy,thus protecting cardiomyocytes and mitigating myocardial injury.
8.Exploration on Medication Law of TCM Treatment for Chronic Bronchitis Based on Real World Data
Mengmeng QU ; Ning XU ; Ling ZHOU ; Yunyan QU ; Wei WANG ; Tingting ZHANG ; Mei GAO ; Junzhu JI ; Jiawen YAN ; Haibin YU
Chinese Journal of Information on Traditional Chinese Medicine 2024;31(2):50-58
Objective To summarize the medication law of TCM in the treatment of chronic bronchitis;To provide reference for clinical medication.Methods Medical records of patients with chronic bronchitis who were hospitalized in the Respiratory Department of the First Affiliated Hospital of Henan University of Chinese Medicine from January 1,2016 to December 31,2021 were extracted based on HIS electronic medical record data.After screening,the TCM prescriptions used by patients with chronic bronchitis were input into Excel 2019 to establish a database.Based on the software Lantern 5.0,the latent structure model was learned,hidden variables and explicit variables were obtained,and the model was interpreted.SPSS Modeler 18.0 was used to establish model points with Apriori algorithm for Chinese materia medica with a frequency greater than 6%,to obtain the association rules between drugs,and to analyze the medication law of TCM in treating chronic bronchitis.Results A total of 3 410 cases were included,involving 423 kinds of Chinese materia medica,with a cumulative frequency of 82 766 times.Among them,109 kinds of Chinese materia medica with a frequency of>6 % had a cumulative frequency of 69 845 times.The top five commonly used medicines were Fritillariae Cirrhosae Bulbus,Poria,Atractyodis Macrocephalae Rhizoma,Asteris Radix et Rhizoma,Citri Reticulatae Pericarpium,mainly with medicines of reducing cough and phlegm,antiasthmatic medicine,tonifying deficiency,clearing heat,relieving superficies,promoting blood circulation and removing blood stasis.The medicinal properties were warming,cold and mild,and the main tastes were bitter,sweet and pungent,and the meridians were mainly lung,spleen,liver and stomach meridians.Through analysis of latent structure,49 hidden variables and 149 hidden classes were obtained.Combined with professional knowledge,10 comprehensive clustering models and 21 core formulas were deduced,such as Sangbaipi Decoction,Xuefu Zhuyu Decoction,Xiaoqinglong Decoction,Erchen Decoction,Shashen Maidong Decoction,Liuwei Dihuang Pills,Yinqiao Powder,Zhisou Powder,Yupingfeng Powder,Xuefu Zhuyu Decoction combined with Daotan Decoction,etc.It was concluded that the chronic bronchitis syndrome included phlegm-heat stagnation lung syndrome,qi stagnation blood stasis syndrome,cold fluid attacking lung syndrome,phlegm-dampness accumulation lung syndrome,lung qi and yin deficiency syndrome,kidney yin deficiency syndrome,wind heat attacking lung syndrome,wind cold attacking lung syndrome,lung qi and spleen deficiency syndrome,phlegm stasis interjunction syndrome.A total of 41 strong association rules were screened in the analysis of association rules,including 5 strong association rules for two and 36 strong association rules for three.The high confidence rules were Saposheikovize Radix + Angelicae Sinensis Radix →Atractyodis Macrocephalae Rhizoma,Saposheikovize Radix + Codonopsis Radix → Atractyodis Macrocephalae Rhizoma,Codonopsis Radix + Citri Reticulatae Pericarpium → Atractyodis Macrocephalae Rhizoma;the higher degree of improvement were Bupleuri Radix + Mori Cortex → Scutellariae Radix,Perillae Fructus + Belamcandae Rhizoma → Fritillariae Cirrhosae Bulbus,Armeniacae Semen Amarum + Pinelliae Rhizoma → Citri Reticulatae Pericarpium,etc.Conclusion In the treatment of chronic bronchitis,TCM is mainly used to reduce phlegm,relieve cough and asthma,and the method of promoting blood circulation and removing blood stasis is commonly used to help eliminate phlegm.In addition,TCM pays attention to the application of methods such as tonifying lung and securing the exterior,invigorating spleen and benefiting qi.
9.Expression of insulin-like growth factor binding protein 3 in cerebral infarction rats and its involvement in Smad signaling pathway
Cui ZHANG ; Menghai WU ; Yunyan DUO
Chinese Journal of Geriatric Heart Brain and Vessel Diseases 2024;26(3):331-335
Objective To investigate the role of Smad signaling pathway in rat model of cerebral in-farction and explore the expression of insulin-like growth factor binding protein 3(IGFBP-3)in brain tissue and its relationship with neural function.Methods Sixty healthy adult male SD rats were randomly and equally divided into model group,sham-operation group,and normal control group.The model of cerebral infarction was established by using intraluminal thread occlusion,and the rats of the sham-operation group were only given exposure of the internal carotid artery and direct suture of the incision.In 1 week after successful modeling,Modified Neurological Seve-rity Score(mNSS)was used to evaluate the neurological function.HE staining was employed to observe the histopathological changes in the brain tissues.Western blotting and RT-PCR were adopted to detect the brain expression of IGFBP-3,Smad2 and Smad4 at protein and mRNA le-vels.Spearman correlation analysis was conducted to analyze the correlation among the expression levels of IGFBP-3,Smad2,Smad4 and P21.Results HE staining displayed that obvious brain ede-ma,characterized by disordered arrangement of brain cells,increased microglia,and blurred nucleo-lus of brain cells were observed in the rats of the model group,with the area of cerebral infarct of 20.55%.The mNSS score and the protein and mRNA levels of IGFBP-3,Smad2 and Smad4 were significantly higher,but the P21 protein and mRNA levels were obviously reduced in the model group than the sham-operation group and normal control group(P<0.05,P<0.01).Spearman correlation analysis showed that the mRNA level of IGFBP-3 in cerebral infarction rats was posi-tively correlated with the mNSS score and mRNA expression levels of Smad2 and Smad4(r=0.568,r=0.623,r=0.597;P<0.01),and negatively with P21 mRNA level in the brain tissue(r=-0.573;P<0.01).Conclusion The level of IGFBP-3 is significantly increased in brain tissue of rats with cerebral infarction,and it is closely associated with neural function of these rats,which may be related to Smad signaling pathway.
10.Efficacy and safety study of standardized mite allergen specific immunotherapy with no reduction during maintenance in children with respiratory allergic disease
Ying LIANG ; Yi ZHONG ; Yunyan LI ; Lingping ZHU ; Lifen YANG ; Shuxian OU ; Zhuanggui CHEN ; Pingping ZHANG
Chinese Journal of Preventive Medicine 2024;58(6):768-777
Objective:To explore the optimal regimen of standardized mite allergen immunotherapy for airway allergic diseases in children, and to observe the clinical efficacy, safety and compliance.Method:Use a retrospective real-world study, clinical data from 156 children aged 5-16 years who received subcutaneous immunotherapy (SCIT) with double mite allergen preparation in the pediatrics department of the Third Affiliated Hospital of Sun Yat sen University from June 2019 to September 2020 were selected for allergic rhinitis (AR) and/or allergic asthma (bronchial asthma, BA), including gender, age, total VAS(visual analogue scale) score and CSMS(combined symptom and medication scores) score at different time points (before treatment, 4-6 months, 1 year, and 2 years after initiation of desensitization), peripheral blood eosinophil counts (EOS), serum total IgE (tIgE), specific IgE (tIgE), and serum IgE (tIgE), specific IgE (sIgE), tIgG4, and incidence of local and systemic adverse reactions. All patients had a consistent regimen during the initial treatment phase (dose-escalation phase), which was performed as directed. Among them, 81 cases (observation group) continued to continue subcutaneous injection of 1 ml of vial No. 3 every 4-6 weeks during the dose maintenance phase, while 75 cases (control group) followed the old traditional regimen during the maintenance phase (i.e., change to a new vial to halve the amount of vial No. 3 by 0.5 ml, and then 0.75 ml after 1-2 weeks, and 1 ml in a further interval of 1-2 weeks). The clinical efficacy, safety and adherence to the treatment were compared between the two groups.Results:A total of 81 cases of 156 children were included in the observation group, of which 58 children with AR, 15 children with BA, and 8 children with AR combined with BA; 75 cases were included in the conventional control group, of which 52 children with AR, 16 children with BA, and 7 children with AR combined with BA. In terms of safety, the difference in the incidence of local and systemic adverse reactions between the two groups was not statistically significant ( χ2=1.541 for local adverse reactions in the control group, χ2=0.718 for the observation group; χ2=0.483 for systemic adverse reactions in the control group, χ2=0.179 for the observation group, P value >0.05 for all of these), and there were no grade Ⅱ or higher systemic adverse reactions in any of them. In the control group, there were 15 cases of dropout at 2 years of follow-up, with a dropout rate of 20.0%; in the observation group, there were 7 cases of dropout at 2 years of follow-up, with a dropout rate of 8.6%, and there was a statistically significant difference in the dropout rates of the patients in the two groups ( χ2=4.147, P<0.05). Comparison of serological indexes and efficacy (compared with baseline at 3 different time points after treatment, i.e., 4-6 months, 1 year and 2 years after treatment), CSMS scores of the observation group and the conventional control group at 4-6 months, 1 year and 2 years after treatment were significantly decreased compared with the baseline status ( t-values of the conventional group were 13.783, 20.086 and 20.384, respectively, all P-values <0.001, and t-values of the observation group were 15.480, 27.087, 28.938, all P-values <0.001), and VAS scores also decreased significantly from baseline status in both groups at 4-6 months, 1 year, and 2 years of treatment ( t-values of 14.008, 17.963, and 27.512 in the conventional control group, respectively, with all P-values <0.001, and t-values of 9.436, 13.184, and 22.377 in the observation group, respectively; all P-values <0.001). Intergroup comparisons showed no statistically significant differences in CSMS at baseline status, 4-6 months, 1 year and 2 years ( t-values 0.621, 0.473, 1.825, and 0.342, respectively, and P-values 0.536, 0.637, 0.070, and 0.733, respectively), and VAS was no statistically significant difference in comparison between groups at different time points ( t-values of 1.663, 0.095, 0.305, 0.951, P-values of 0.099, 0.925, 0.761, 0.343, respectively); suggesting that the treatment regimens of the observation group and the conventional control group were clinically effective, and that the two regimens were comparable in terms of efficacy. The peripheral blood eosinophil counts of the observation group and the conventional control group decreased significantly from the baseline status at 4-6 months, 1 year and 2 years of treatment ( t-values of the conventional group were 3.453, 5.469, 6.273, P-values <0.05, and the t-values of the observation group were 2.900, 4.575, 5.988, P-values <0.05, respectively). 4-6 months, 1 year and 2 years compared with the baseline status tIgE showed a trend of increasing and then decreasing ( t-value in the conventional group was -5.328, -4.254, -0.690, P-value was 0.000, 0.000, 0.492, respectively, and t-value in the observation group was -6.087, -5.087, -0.324, P-value was 0.000, 0.000, 0.745, respectively). However, the results of intergroup comparisons showed no statistically significant differences in serological indices and efficacy between the two groups in terms of peripheral blood eosinophil counts at baseline status, 4-6 months, 1 year and 2 years ( t-values of 0.723, 1.553, 0.766, and 0.234, respectively; P-values of 0.471, 0.122, 0.445, and 0.815, respectively), tIgE ( t-values of 0.170, -0.166, -0.449, 0.839, P-values 0.865, 0.868, 0.654, 0.403, respectively), tIgG4 ( t-values 1.507, 1.467, -0.337, 0.804, P-values 0.134, 0.145, 0.737, 0.422, respectively). Conclusion:Both immunotherapy regimens for airway allergic diseases with double mite allergen subcutaneous immunotherapy have significant clinical efficacy, low incidence of adverse reactions, and the observation group has better patient compliance than the control group.

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