1.Short-Term Efficacy and Long-Term Recurrence Rate of Traditional Chinese Medicine Versus Western Surgical Treatment for Mixed Hemorrhoids:A Multi-Center Retrospective Cohort Study Based on Real-World Data
Kang DING ; Zhimin FAN ; Xiaojie ZHOU ; Xiaoxiao WANG ; Yuanyuan GE ; Huiting ZHU ; Yuxin ZHU ; Xia YANG ; Jun DU ; Shicai HUANG ; Yang ZHANG
Journal of Traditional Chinese Medicine 2026;67(7):747-754
ObjectiveTo observe the short-term and long-term efficacy of traditional Chinese medicine (TCM) surgical operations in treating mixed hemorrhoids. MethodsA multi-center retrospective cohort study was conducted, collecting clinical data from 17,831 mixed hemorrhoid surgery patients in 8 top-tier TCM hospitals in Jiangsu Province. Standardized and structured datasets were obtained through artificial intelligence models. Patients who underwent western surgical treatment were categorized into the western surgery group (11,646 cases), and those receiving TCM surgical operations were categorized into the TCM surgery group (6185 cases). Propensity score matching (1∶1 matching) was used to balance baseline data between groups. The primary outcome was the one-year recurrence rate, and secondary outcomes included the main symptoms (rectal bleeding, degree of prolapse) and secondary symptoms (anal distension, anal edema, wound secretion and exudation, anal stenosis, residual skin tags, perianal itching, and anal pain) measured on days 7, 28, and 60 after discharge. ResultsAfter matching, 2194 patients were included in each group. Symptom scores showed that at 28 days after discharge, the TCM surgical group had superior improvement in rectal bleeding [OR=5.786, 95%CI (3.092,10.827)], degree of prolapse [OR=4.510, 95%CI (1.649,12.333)], and anal edema [OR=3.188, 95%CI (1.295,7.845)] compared to the western surgical group. At 60 days post-discharge, the TCM group still showed advantages in improving rectal bleeding [OR=5.237, 95%CI (1.077,25.464)] and anal pain [OR=11.697, 95%CI (1.186,115.336)] (P<0.05). Long-term follow-up showed that the one-year recurrence rate in the TCM surgery group was 1.1% (8/726), while that in the western surgery group was 2.3% (10/444), with no statistically significant difference between the two groups (P>0.05). ConclusionBased on real-world data, TCM surgical treatment for mixed hemorrhoids shows significant short-term symptom improvement, particularly in terms of hemostasis, reducing swelling, and alleviating prolapse of anal masses.
2.Xianglian Huazhuo Prescription Regulates GP73/PERK/ATF4 Signaling Pathway to Influence Endoplasmic Reticulum Stress and Ameliorate Chronic Atrophic Gastritis
Pengli DU ; Yuxi GUO ; Yican WANG ; Ziqi JIN ; Xin KANG ; Xuemei JIA ; Weichao XU ; Yanru CAI ; Qian YANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(21):19-28
ObjectiveTo explore the mechanism by which Xianglian Huazhuo prescription ameliorates chronic atrophic gastritis (CAG) through regulating the Golgi protein 73 (GP73)/protein kinase R-like endoplasmic reticulum kinase (PERK)/activating transcription factor 4 (ATF4) signaling pathway and modulating endoplasmic reticulum stress (ERS). MethodA mouse model of CAG was induced by multiple factors, including ranitidine, N-methyl-N′-nitro-N-nitrosoguanidine (MNNG), and irregular feeding. The CAG mice were randomized into five groups: model, Morodan (2.0 g·kg-1), and high-dose, medium-dose, and low-dose (7.6, 3.8, 1.9 g·kg-1, respectively) Xianglian Huazhuo prescription, with 10 mice in each group. At the same time, 10 mice in normal group were set up. The mice in the Morodan group and the high-dose, medium-dose, and low-dose groups of Xianglian Huazhuo prescription were administrated with corresponding agents by gavage, and those in the normal group and the model group were administrated with an equal volume of normal saline. All the mice were intervened once a day for 60 consecutive days. After the last administration, the overall morphological changes of the gastric tissue were observed. Hematoxylin-eosin (HE) staining and transmission electron microscopy (TEM) were used to evaluate the pathological morphology and the endoplasmic reticulum ultrastructure in the gastric tissue. The serum levels of pepsinogen Ⅰ (PGⅠ), pepsinogen Ⅱ (PGⅡ), gastrin-17 (G-17), and GP73 were determined by enzyme-linked immunosorbent assay (ELISA). The pepsinogen ratio (PGR, PGⅠ/PGⅡ) was calculated. The protein levels of GP73, PERK, phosphorylated (p)-PERK, glucose-regulated protein 78 (GRP78), ATF4, CCAAT enhancer-binding protein homologous protein (CHOP), cysteinyl aspartate-specific protease-12 (Caspase-12), B-cell lymphoma-2 (Bcl-2), and Bcl-2-associated X protein (Bax) were assessed by Western blot. The expression of GRP78 was detected by immunofluorescence (IF) assay, and the location of Bcl-2 and Bax by immunohistochemistry (IHC). ResultsCompared with the normal group, the model group showed pale gastric mucosa with flattened folds and reduced and loosely arranged gastric mucosal glands, declined serum levels of PGI, PGR, G-17, and GP73 (P<0.01). downregulated protein levels of GP73, p-PERK, ATF4, GRP78, CHOP, Caspase-12, and Bax in the gastric tissue, and upregulated protein level of Bcl-2 (P<0.01). Compared with the model group, the Morodan group and each Xianglian Huazhuo prescription group exhibited red gastric mucosa with increased folds, alleviated pathological damage, swelling endoplasmic reticulum, elevated serum levels of PGI, G-17, and GP73 (P<0.05, P<0.01), and upregulated protein levels of Caspase-12 and Bax and downregulated protein level of Bcl-2 in the gastric tissue (P<0.05, P<0.01). The Morodan group and the high-dose and medium-dose Xianglian Huazhuo prescription groups exhibited increased serum level of PGR (P<0.05, P<0.01) and upregulated protein levels of GP73, p-PERK, ATF4, GRP78, and CHOP in the gastric tissue (P<0.05, P<0.01). ConclusionXianglian Huazhuo prescription can activate the GP73/PERK/ATF4 signaling pathway and induce ERS-mediated apoptosis to alleviate the pathological damage of the gastric mucosa, thereby demonstrating a protective effect against CAG in mice.
3.Xianglian Huazhuo Prescription Regulates GP73/PERK/ATF4 Signaling Pathway to Influence Endoplasmic Reticulum Stress and Ameliorate Chronic Atrophic Gastritis
Pengli DU ; Yuxi GUO ; Yican WANG ; Ziqi JIN ; Xin KANG ; Xuemei JIA ; Weichao XU ; Yanru CAI ; Qian YANG
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(21):19-28
ObjectiveTo explore the mechanism by which Xianglian Huazhuo prescription ameliorates chronic atrophic gastritis (CAG) through regulating the Golgi protein 73 (GP73)/protein kinase R-like endoplasmic reticulum kinase (PERK)/activating transcription factor 4 (ATF4) signaling pathway and modulating endoplasmic reticulum stress (ERS). MethodA mouse model of CAG was induced by multiple factors, including ranitidine, N-methyl-N′-nitro-N-nitrosoguanidine (MNNG), and irregular feeding. The CAG mice were randomized into five groups: model, Morodan (2.0 g·kg-1), and high-dose, medium-dose, and low-dose (7.6, 3.8, 1.9 g·kg-1, respectively) Xianglian Huazhuo prescription, with 10 mice in each group. At the same time, 10 mice in normal group were set up. The mice in the Morodan group and the high-dose, medium-dose, and low-dose groups of Xianglian Huazhuo prescription were administrated with corresponding agents by gavage, and those in the normal group and the model group were administrated with an equal volume of normal saline. All the mice were intervened once a day for 60 consecutive days. After the last administration, the overall morphological changes of the gastric tissue were observed. Hematoxylin-eosin (HE) staining and transmission electron microscopy (TEM) were used to evaluate the pathological morphology and the endoplasmic reticulum ultrastructure in the gastric tissue. The serum levels of pepsinogen Ⅰ (PGⅠ), pepsinogen Ⅱ (PGⅡ), gastrin-17 (G-17), and GP73 were determined by enzyme-linked immunosorbent assay (ELISA). The pepsinogen ratio (PGR, PGⅠ/PGⅡ) was calculated. The protein levels of GP73, PERK, phosphorylated (p)-PERK, glucose-regulated protein 78 (GRP78), ATF4, CCAAT enhancer-binding protein homologous protein (CHOP), cysteinyl aspartate-specific protease-12 (Caspase-12), B-cell lymphoma-2 (Bcl-2), and Bcl-2-associated X protein (Bax) were assessed by Western blot. The expression of GRP78 was detected by immunofluorescence (IF) assay, and the location of Bcl-2 and Bax by immunohistochemistry (IHC). ResultsCompared with the normal group, the model group showed pale gastric mucosa with flattened folds and reduced and loosely arranged gastric mucosal glands, declined serum levels of PGI, PGR, G-17, and GP73 (P<0.01). downregulated protein levels of GP73, p-PERK, ATF4, GRP78, CHOP, Caspase-12, and Bax in the gastric tissue, and upregulated protein level of Bcl-2 (P<0.01). Compared with the model group, the Morodan group and each Xianglian Huazhuo prescription group exhibited red gastric mucosa with increased folds, alleviated pathological damage, swelling endoplasmic reticulum, elevated serum levels of PGI, G-17, and GP73 (P<0.05, P<0.01), and upregulated protein levels of Caspase-12 and Bax and downregulated protein level of Bcl-2 in the gastric tissue (P<0.05, P<0.01). The Morodan group and the high-dose and medium-dose Xianglian Huazhuo prescription groups exhibited increased serum level of PGR (P<0.05, P<0.01) and upregulated protein levels of GP73, p-PERK, ATF4, GRP78, and CHOP in the gastric tissue (P<0.05, P<0.01). ConclusionXianglian Huazhuo prescription can activate the GP73/PERK/ATF4 signaling pathway and induce ERS-mediated apoptosis to alleviate the pathological damage of the gastric mucosa, thereby demonstrating a protective effect against CAG in mice.
4.Value of echocardiographic parameters combined with geriatric nutritional risk index in predicting the prognosis of elderly chronic heart failure
Xin LUO ; Yan XU ; Chaoyang DU ; Yanting KANG ; Yan WANG
Chinese Journal of Geriatric Heart Brain and Vessel Diseases 2025;27(11):1494-1497
Objective To investigate the value of combination of echocardiographic(ECG)parameters and geriatric nutritional risk index(GNRI)in predicting the prognosis of elderly chronic heart failure(CHF).Methods A retrospective study was conducted on 102 elderly CHF patients admitted to our hospital from February 2023 to July 2024.According to their clinical outcomes after 6 months of follow-up,they were divided into a good prognosis group(67 cases)and a poor prognosis group(35 cases).The clinical data,such as left ventricular ejection fraction(LVEF),left ventricular end-diastolic inner diameter(LVEDD)and left ventricular end-systolic inner diameter(LVESD),and GNRI were compared between two groups.Logistic regression analysis was adopted to identify the influencing factors of prognosis of elderly CHF patients,and ROC curve was plotted to analyze the predictive efficiency of ECG parameters and GNRI for the prognosis.Results The poor prognosis group exhibited significantly advanced age,higher LVEDD and LVESD,longer course of CHF,and lower LVEF and GNRI in comparison with the good prognosis group(P<0.01).Multivariate logistic regression analysis indicated that LVEF,LVEDD,LVESD and GNRI were identified as influencing factors for elderly CHF prognosis(P<0.05,P<0.01).In evaluating the poor prognosis,LVEF,LVEDD,LVESD,GNRI and their combination presented an AUC value of 0.854,0.773,0.785,0.850 and 0.902,respectively.The evaluation efficiency of combined detection was superior to that of single detection in assessing the poor prognosis in elderly CHF patients(P<0.01).Conclusion ECG parameters and GNRI are related to the prognosis in elderly CHF patients,and combined detection has good evaluation efficiency for the poor prognosis.
5.Guideline for the diagnosis and treatment of vertebral refracture after percutaneous vertebral augmentation in elderly patients with osteoporotic thoracolumbar compression fractures (version 2025)
Yong YANG ; Xiaoguang ZHOU ; Qixin CHEN ; Jian CHEN ; Jian DONG ; Liangjie DU ; Shunwu FAN ; Jin FAN ; Zhong FANG ; Haoyu FENG ; Shiqing FENG ; Haishan GUAN ; Aiguo GAO ; Yanzheng GAO ; Yong HAI ; Da HE ; Dengwei HE ; Haiyi HE ; Dianming JIANG ; Xuewen KANG ; Bin LIN ; Baoge LIU ; Changqing LI ; Fang LI ; Li LI ; Fangcai LI ; Weishi LI ; Xiaoguang LIU ; Hongjian LIU ; Xinyu LIU ; Yong LIU ; Zhongjun LIU ; Shibao LU ; Xuhua LU ; Fei LUO ; Yuhai MA ; Keya MAO ; Xuexiao MA ; Bin MENG ; Xu NING ; Limin RONG ; Hongxun SANG ; Jun SHU ; Tiansheng SUN ; Dasheng TIAN ; Zheng WANG ; Bing WANG ; Linfeng WANG ; Qingde WANG ; Qinghe WANG ; Lan WEI ; Jigong WU ; Baoshan XU ; Youjia XU ; Guoyong YIN ; Jinglong YAN ; Feng YAN ; Cao YANG ; Huilin YANG ; Qiang YANG ; Bin ZHAO ; Jie ZHAO ; Yue ZHU ; Jianguo ZHANG ; Wenzhi ZHANG ; Zhongmin ZHANG ; Zhaomin ZHENG ; Yan ZENG ; Baorong HE ; Wei MEI
Chinese Journal of Trauma 2025;41(7):613-626
Vertebral refracture following percutaneous vertebral augmentation (PVA) is commonly seen in elderly patients with osteoporotic thoracolumbar compression fractures (OTLCF). It can lead to recurrent pain, loss of vertebral height, progression of kyphosis, and even neurological dysfunction, significantly impairing patients′ quality of life. Current diagnosis and treatment face multiple challenges, including high misdiagnosis rate, difficulty in choosing between surgical and non-surgical treatment options, lack of standardized surgical protocols, interference from intralesional bone cement during procedures, inadequate stability of internal fixation in osteoporotic bone, and suboptimal compliance of anti-osteoporotic therapy. Establishing a standardized diagnostic and therapeutic framework is urgently needed. To standardize the management process and improve outcomes for vertebral refractures after PVA in elderly OTLCF patients, Spinal Trauma Group of the Orthopedic Branch of Chinese Medical Doctor Association organized experts in the field to develop Guideline for the diagnosis and treatment of vertebral refracture after percutaneous vertebral augmentation in elderly patients with osteoporotic thoracolumbar compression fractures ( version 2025), based on current literature and clinical experience, and adhering to principles of scientific rigor and clinical applicability. A total of 11 recommendations were proposed, encompassing diagnosis, treatment, and rehabilitation of vertebral refracture after PVA in elderly patients with OTLCF, aiming to provide a foundation for a standardized management.
6.Clinical characteristics analysis of children with Noonan-like syndrome with loose anagen hair
Xiou WANG ; Ziqin LIU ; Shaofang SHANGGUAN ; Jianming LAI ; Pengchao WANG ; Fuying SONG ; Xue YE ; Mu DU ; Shuyue HUANG ; Kang GAO
Chinese Journal of Pediatrics 2025;63(4):405-410
Objective:To analyze the clinical and genetic characteristics of children diagnosed with Noonan-syndrome associated with loose anagen hair (NS-LAH).Methods:A retrospective analysis was conducted on the clinical data of 5 children diagnosed with NS-LAH by the Endocrinology Department of the Capital Institute of Pediatrics from January 2018 to June 2024. This analysis encompassed the patients′ demographic information, clinical manifestations, distinguishing features, treatment regimens, and prognostic outcomes to elucidate their clinical characteristics. Additionally, whole-exome sequencing and Sanger sequencing were utilized to investigate the genetic etiology within the families, and the identified variations were interpreted according to the guidelines of the American College of Medical Genetics and Genomics.Results:Among the 5 NS-LAH patients, there were 3 boys and 2 girls, with ages at diagnosis ranging from 2.3 to 7.7 years old. All patients presented with short stature as a primary complaint. Birth histories were generally unremarkable, though case 2 and 5 of macrosomia were noted. In addition to the characteristic facial features of Noonan syndrome, short stature, and varying degrees of intellectual and motor developmental delay, all 5 patients exhibited sparse hair that was easily shed, as well as enlarged head circumferences. Four patients showed structural cardiac abnormalities, which included a case of hypertrophic cardiomyopathy, 2 cases of atrial septal defect, and 1 case of patent foramen ovale. Genetic analysis revealed heterozygous missense variantion in SHOC2 gene in 4 patients, comprising 3 cases with c.4A>G (p.S2G) and one case with c.519G>C (p.M173I). Additionally, one patient was found to have a heterozygous missense variantion c.146C>G (p.P49R) in PPP1CB gene. Three children were diagnosed with growth hormone deficiency and treated with growth hormone for 1.7, 2.7 and 0.5 years. This resulted in significant improvements in height, with annual increases of 11.8, 8.4 and 13.0 cm, respectively. Among the 4 patients with SHOC2 variantions, 2 developed systemic lupus erythematosus and 1 exhibited symptoms of arthritis.Conclusions:Growth failure is the primary complaint in patients with NS-LAH. Key characteristic findings include enlarged head circumference and sparse, loose hair. Growth hormone deficiency is commonly associated with NS-LAH, and growth hormone therapy is generally effective. Furthermore, patients carrying the classic variantion in SHOC2 (c.4A>G) may have an increased risk of developing autoimmune diseases.
7.Clinical characteristics of clinical and subclinical Cushing's syndrome caused by primary bilateral macronodular adrenal hyperplasia
Huai-Jin XU ; Bing LI ; Kang CHEN ; Hui-Xin ZHOU ; Ya-Jing WANG ; Li ZANG ; Xian-Ling WANG ; Yu CHENG ; Jin DU ; Qing-Hua GUO ; Wei-Jun GU ; Zhao-Hui LYU ; Jian-Ming BA ; Jing-Tao DOU ; Yi-Ming MU
Medical Journal of Chinese People's Liberation Army 2025;50(7):800-807
Objective To investigate the clinical characteristics of patients with clinical and subclinical Cushing's syndrome caused by primary bilateral macronodular adrenal hyperplasia(PBMAH).Methods A retrospective analysis was performed on the clinical data of 198 patients with Cushing's syndrome caused by PBMAH diagnosed in the First Medical Center of Chinese PLA General Hospital from January 2004 to October 2024.According to clinical manifestations,the patients were classified into clinical type Cushing's syndrome(n=61)and subclinical type Cushing's syndrome(n=137),and the clinical characteristics of the two types were compared.Results The mean age at diagnosis of patients with PBMAH-induced Cushing's syndrome was(53.5±10.4)years,including 118 males and 80 females,with a male-to-female ratio of 1.475:1.Compared with the subclinical type,the clinical type had a higher proportion of females,higher levels of serum cortisol,24-hour urine free cortisol(24 h UFC),and inhibited serum cortisol after low-dose dexamethasone suppression.Additionally,the clinical type had lower plasma ACTH,larger adrenal nodules and a higher risk of surgery(P<0.05)compared with those in subclinical type.The incidences of hypertension,dyslipidemia,obesity,diabetes mellitus,hypokalemia,vitamin D deficiency,osteoporosis,coronary heart disease,and cerebrovascular disease in patients with Cushing's syndrome caused by PBMAH were 87.9%,50.5%,37.1%,36.9%,27.8%,25.9%,18.7%,18.7%and 12.1%,respectively.Among them,compared with subclinical type patients,clinical type patients had higher incidence of hypokalaemia,vitamin D deficiency and osteoporosis(P<0.05),while there were no statistically significant differences in the incidences of other comorbidities between the two types(P>0.05).The results of postoperative follow-up for PBMAH patients showed that the short-term biochemical remission rate of unilateral total adrenalectomy was 41.5%(22/53)and the long-term biochemical remission rate was 32.0%(8/25).The short-term biochemical remission rate of unilateral partial(or nodular)adrenalectomy was 52.9%(9/17),and the long-term biochemical remission rate was 14.3%(1/7).All patients who underwent unilateral total adrenalectomy plus contralateral partial resection developed adrenal insufficiency(3/3),and 1 patient(1/3)relapsed 3.4 years after surgery.Conclusion Clinical and subclinical types of Cushing's syndrome caused by PBMAH have their distinct clinical characteristics.Surgery is an effective treatment for PBMAH,but a certain proportion of patients fail to achieve biochemical remission after non-bilateral total adrenalectomy.
8.Overexpression of KAT7 promotes pyroptosis of chondrocytes
Ying LI ; Kang WANG ; Tian-xi DU ; Ting-ting GUO ; Nuo XU ; Xu-lei WANG ; Yan CHANG ; Wei WEI ; Shang-xue YAN
Chinese Pharmacological Bulletin 2025;41(7):1298-1305
Aim To establish the pyroptosis model of rat chondrocytes induced by tumor necrosis factor α(TNF-α)in order to study the effect of lysine acetyl-transferase 7(KAT7)on pyroptosis of chondrocytes.Methods Chondrocytes of rat knee joint were isolated by type Ⅱ collagenase digestion,and were identified by toluidine blue staining and Col Ⅱ immunofluorescence.CCK-8 was used to evaluate cell viability.Western blot was used to detect the expression of pyroptosis-related proteins NLRP3,GSDMD,caspase-8 and KAT7 in cells intervened with TNF-α,adenovirus overexpression of KAT7(KAT7-oe)and KAT7 inhibitor WM-3835.The microstructure of the cells was observed by scanning e-lectron microscopy.Pyroptosis was detected by TUNEL staining,and the expression of pyroptosis-related pro-tein and KAT7 was detected by immunofluorescence.Results Compared with the empty virus group,KAT7-oe inhibited cell viability,promoted the expression of pyroptosis-related proteins,and TNF-α enhanced this effect.At the same time,the expression of KAT7 and pyroptosis-related proteins in the TNF-α stimulation group increased,and WM-3835 reduced the related proteins expression.Electron microscopy showed that KAT7-oe caused cell swelling,deformation,membrane perforation and rupture,while WM-3835 could restore cell morphology.TUNEL staining and immunofluores-cence results also confirmed that KAT7-oe induced chondrocyte pyroptosis,and WM-3835 could down-reg-ulate the fluorescence of pyroptosis-related proteins.Conclusions The expression of KAT7 increases in rat chondrocyte pyroptosis model,and the intervention of KAT7 expression affects signal molecules related to py-roptosis pathway,suggesting that KAT7 may be related to chondrocyte pyroptosis.
9.Distribution and resistance profiles of bacterial strains isolated from cerebrospinal fluid in hospitals across China:results from the CHINET Antimicrobial Resistance Surveillance Program,2015-2021
Juan MA ; Lixia ZHANG ; Yang YANG ; Fupin HU ; Demei ZHU ; Han SHEN ; Wanqing ZHOU ; Wenen LIU ; Yanming LI ; Yi XIE ; Mei KANG ; Dawen GUO ; Jinying ZHAO ; Zhidong HU ; Jin LI ; Shanmei WANG ; Yafei CHU ; Yunsong YU ; Jie LIN ; Yingchun XU ; Xiaojiang ZHANG ; Jihong LI ; Bin SHAN ; Yan DU ; Ping JI ; Fengbo ZHANG ; Chao ZHUO ; Danhong SU ; Lianhua WEI ; Fengmei ZOU ; Xiaobo MA ; Yanping ZHENG ; Yuanhong XU ; Ying HUANG ; Yunzhuo CHU ; Sufei TIAN ; Hua YU ; Xiangning HUANG ; Sufang GUO ; Xuesong XU ; Chao YAN ; Fangfang HU ; Yan JIN ; Chunhong SHAO ; Wei JIA ; Gang LI ; Jinsong WU ; Yuemei LU ; Fang DONG ; Zhiyong LÜ ; Lei ZHU ; Jinhua MENG ; Shuping ZHOU ; Yan ZHOU ; Chuanqing WANG ; Pan FU ; Yunjian HU ; Xiaoman AI ; Ziyong SUN ; Zhongju CHEN ; Hong ZHANG ; Chun WANG ; Yuxing NI ; Jingyong SUN ; Kaizhen WEN ; Yirong ZHANG ; Ruyi GUO ; Yan ZHU ; Jinju DUAN ; Jianbang KANG ; Xuefei HU ; Shifu WANG ; Yunsheng CHEN ; Qing MENG ; Yong ZHAO ; Ping GONG ; Ruizhong WANG ; Hua FANG ; Jilu SHEN ; Jiangshan LIU ; Hongqin GU ; Jiao FENG ; Shunhong XUE ; Bixia YU ; Wen HE ; Lin JIANG ; Longfeng LIAO ; Chunlei YUE ; Wenhui HUANG
Chinese Journal of Infection and Chemotherapy 2025;25(3):279-289
Objective To investigate the distribution and antimicrobial resistance profiles of common pathogens isolated from cerebrospinal fluid(CSF)in CHINET program from 2015 to 2021.Methods The bacterial strains isolated from CSF were identified in accordance with clinical microbiology practice standards.Antimicrobial susceptibility test was conducted using Kirby-Bauer method and automated systems per the unified CHINET protocol.Results A total of 14 014 bacterial strains were isolated from CSF samples from 2015 to 2021,including the strains isolated from inpatients(95.3%)and from outpatient and emergency care patients(4.7%).Overall,19.6%of the isolates were from children and 80.4%were from adults.Gram-positive and Gram-negative bacteria accounted for 68.0%and 32.0%,respectively.Coagulase negative Staphylococcus accounted for 73.0%of the total Gram-positive bacterial isolates.The prevalence of MRSA was 38.2%in children and 45.6%in adults.The prevalence of MRCNS was 67.6%in adults and 69.5%in children.A small number of vancomycin-resistant Enterococcus faecium(2.2%)and linezolid-resistant Enterococcus faecalis(3.1%)were isolated from adult patients.The resistance rates of Escherichia coli and Klebsiella pneumoniae to ceftriaxone were 52.2%and 76.4%in children,70.5%and 63.5%in adults.The prevalence of carbapenem-resistant E.coli and K.pneumoniae(CRKP)was 1.3%and 47.7%in children,6.4%and 47.9%in adults.The prevalence of carbapenem-resistant Acinetobacter baumannii(CRAB)and Pseudomonas aeruginosa(CRPA)was 74.0%and 37.1%in children,81.7%and 39.9%in adults.Conclusions The data derived from antimicrobial resistance surveillance are crucial for clinicians to make evidence-based decisions regarding antibiotic therapy.Attention should be paid to the Gram-negative bacteria,especially CRKP and CRAB in central nervous system(CNS)infections.Ongoing antimicrobial resistance surveillance is helpful for optimizing antibiotic use in CNS infections.
10.Changing antibiotic resistance profiles of the bacterial strains isolated from geriatric patients in hospitals across China:data from CHINET Antimicrobial Resistance Surveillance Program,2015-2021
Xiaoman AI ; Yunjian HU ; Chunyue GE ; Yang YANG ; Fupin HU ; Demei ZHU ; Yingchun XU ; Xiaojiang ZHANG ; Hui LI ; Ping JI ; Yi XIE ; Mei KANG ; Chuanqing WANG ; Pan FU ; Yuanhong XU ; Ying HUANG ; Ziyong SUN ; Zhongju CHEN ; Yuxing NI ; Jingyong SUN ; Yunzhuo CHU ; Sufei TIAN ; Zhidong HU ; Jin LI ; Yunsong YU ; Jie LIN ; Bin SHAN ; Yan DU ; Sufang GUO ; Lianhua WEI ; Fengmei ZOU ; Hong ZHANG ; Chun WANG ; Chao ZHUO ; Danhong SU ; Dawen GUO ; Jinying ZHAO ; Hua YU ; Xiangning HUANG ; Wen'en LIU ; Yanming LI ; Yan JIN ; Chunhong SHAO ; Xuesong XU ; Chao YAN ; Shanmei WANG ; Yafei CHU ; Lixia ZHANG ; Juan MA ; Shuping ZHOU ; Yan ZHOU ; Lei ZHU ; Jinhua MENG ; Fang DONG ; Zhiyong LÜ ; Fangfang HU ; Han SHEN ; Wanqing ZHOU ; Wei JIA ; Gang LI ; Jinsong WU ; Yuemei LU ; Jihong LI ; Jinju DUAN ; Jianbang KANG ; Xiaobo MA ; Yanping ZHENG ; Ruyi GUO ; Yan ZHU ; Yunsheng CHEN ; Qing MENG ; Shifu WANG ; Xuefei HU ; Jilu SHEN ; Wenhui HUANG ; Ruizhong WANG ; Hua FANG ; Bixia YU ; Yong ZHAO ; Ping GONG ; Kaizhen WENG ; Yirong ZHANG ; Jiangshan LIU ; Longfeng LIAO ; Hongqin GU ; Lin JIANG ; Wen HE ; Shunhong XUE ; Jiao FENG ; Chunlei YUE
Chinese Journal of Infection and Chemotherapy 2025;25(3):290-302
Objective To investigate the antimicrobial resistance of clinical isolates from elderly patients(≥65 years)in major medical institutions across China.Methods Bacterial strains were isolated from elderly patients in 52 hospitals participating in the CHINET Antimicrobial Resistance Surveillance Program during the period from 2015 to 2021.Antimicrobial susceptibility test was carried out by disk diffusion method and automated systems according to the same CHINET protocol.The data were interpreted in accordance with the breakpoints recommended by the Clinical and Laboratory Standards Institute(CLSI)in 2021.Results A total of 514 715 nonduplicate clinical isolates were collected from elderly patients in 52 hospitals from January 1,2015 to December 31,2021.The number of isolates accounted for 34.3%of the total number of clinical isolates from all patients.Overall,21.8%of the 514 715 strains were gram-positive bacteria,and 78.2%were gram-negative bacteria.Majority(90.9%)of the strains were isolated from inpatients.About 42.9%of the strains were isolated from respiratory specimens,and 22.9%were isolated from urine.More than half(60.7%)of the strains were isolated from male patients,and 39.3%isolated from females.About 51.1%of the strains were isolated from patients aged 65-<75 years.The prevalence of methicillin-resistant strains(MRSA)was 38.8%in 32 190 strains of Staphylococcus aureus.No vancomycin-or linezolid-resistant strains were found.The resistance rate of E.faecalis to most antibiotics was significantly lower than that of Enterococcus faecium,but a few vancomycin-resistant strains(0.2%,1.5%)and linezolid-resistant strains(3.4%,0.3%)were found in E.faecalis and E.faecium.The prevalence of penicillin-susceptible S.pneumoniae(PSSP),penicillin-intermediate S.pneumoniae(PISP),and penicillin-resistant S.pneumoniae(PRSP)was 94.3%,4.0%,and 1.7%in nonmeningitis S.pneumoniae isolates.The resistance rates of Klebsiella spp.(Klebsiella pneumoniae 93.2%)to imipenem and meropenem were 20.9%and 22.3%,respectively.Other Enterobacterales species were highly sensitive to carbapenem antibiotics.Only 1.7%-7.8%of other Enterobacterales strains were resistant to carbapenems.The resistance rates of Acinetobacter spp.(Acinetobacter baumannii 90.6%)to imipenem and meropenem were 68.4%and 70.6%respectively,while 28.5%and 24.3%of P.aeruginosa strains were resistant to imipenem and meropenem,respectively.Conclusions The number of clinical isolates from elderly patients is increasing year by year,especially in the 65-<75 age group.Respiratory tract isolates were more prevalent in male elderly patients,and urinary tract isolates were more prevalent in female elderly patients.Klebsiella isolates were increasingly resistant to multiple antimicrobial agents,especially carbapenems.Antimicrobial resistance surveillance is helpful for accurate empirical antimicrobial therapy in elderly patients.

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