1.Bacterial pathogen spectrum and drug resistance in respiratory intensive care unit in 2020- 2022
Juan LI ; Tu LYU ; Lina FENG ; Qianyu FENG ; Yun HUANG ; Congrong LI ; Xuan CAI
Journal of Public Health and Preventive Medicine 2024;35(6):89-92
Objective To understand the infectious pathogen characteristics and drug sensitivity of hospitalized patients in the respiratory intensive care unit (RICU) of Renmin Hospital of Wuhan University. Methods Bacterial culture samples sent to the RICU of our hospital from January 2020 to December 2022 were retrospectively analyzed. The bacterial types were identified by Bruker mass spectrometer, and the Phoenix 100 was used for drug sensitivity analysis. The antimicrobial susceptibility was analyzed by WHONET 5.6 software. Results A total of 1 157 strains of bacteria were isolated, including 878 strains of Gram-negative bacteria (75.89%) and 279 strains of Gram-positive bacteria (24.11%). The top five with the highest detection rate were Acinetobacter baumannii (25.50%), Pseudomonas aeruginosa (18.76%), Klebsiella pneumoniae (13.83%), Staphylococcus aureus (6.57%) and Escherichia coli (5.70%). Among them, Acinetobacter baumannii was extremely drug-resistant, only showing relatively high sensitivity to colistin, minocycline, and tigecycline. Staphylococcus aureus accounted for the highest proportion of Gram-positive bacteria (6.57%), with methicillin-resistant Staphylococcus (MRSA) showing a continuous increase. Conclusion In the past three years, Gram-negative bacteria have been the main pathogenic bacteria detected in the respiratory intensive care unit of our hospital. The main bacteria are Acinetobacter baumannii, Pseudomonas aeruginosa, and Klebsiella pneumoniae, which have a high resistance rate to various antibiotics. Therefore, clinical monitoring of resistant strains in RICU should be strengthened to facilitate rational use of antibiotics and improve antibacterial effect.
2.YANG Zhi-Min's Experience in Differentiating and Treating Insomnia Based on the Generation,Dispersion,Divergence and Aggregation of Nutritive qi and Defensive qi
Xiao-Xuan ZHANG ; Jin-Xiu CHEN ; Shi-Ya HUANG ; Hua-Hua GUAN ; Bi-Yun XU ; Fu-Ping XU ; Jia-Min YUAN ; Zhi-Min YANG
Journal of Guangzhou University of Traditional Chinese Medicine 2024;41(8):2179-2183
Disharmony between nutritive qi(ying)and defensive qi(wei)is the core pathogenesis of insomnia.The normal function of ying-wei in the generation,dispersion,divergence and aggregation is the precondition for the realization of the coordination between ying and wei.The disordered function of ying-wei in the generation,dispersion,divergence and aggregation will cause the disharmony between ying and wei,and then the insomnia occurs.For the treatment of insomnia caused by the disordered function of ying-wei in the generation,Guizhi Decoction associated prescriptions are used for strengthening middle energizer and nourishing ying and wei.For the treatment of insomnia caused by the disordered function of ying-wei in the dispersion,Mahuang Decoction associated prescriptions are used to relieve the exterior and eliminate the pathogen for insomnia patients with the manifestations of the attack of exopathogens,and Xiao Chaihu Decoction associated prescriptions are used to dredge the triple energizer for insomnia patients with the dysfunction of the triple energizer.For the treatment of insomnia caused by the disordered function of ying-wei in the divergence,Rhei Radix et Rhizoma associated bitter-cold prescriptions are used to purge the interior heat for insomnia patients with abundant interior heat syndrome,Gypsum Fibrosum associated pungent-cold prescriptions are used to release muscles and clear heat for insomnia patients with the interior heat complicated by exterior syndrome,Natrii Sulfas Exsiccatus associated salty-cold prescriptions are used to clear heat,moisten dryness and dissipate the masses for insomnia patients with interior heat complicated by dryness syndrome,sour-cold medicines are used to clear heat and remove retained water,supplement deficiency and relieve exterior for insomnia patients with interior heat complicated by water-retention syndrome,deficiency syndrome and exterior syndrome,and Ophiopogonis Radix associated prescriptions and Lillli Bulbus associated prescriptions are used to clear heat and nourish ying for insomnia patients with the consumption of ying and yin.For the treatment of insomnia caused by the disordered function of ying-wei in the aggregation,the compatibility of Poria and Cinnamomi Ramulus is used for warming yang and resolving fluid retention in patients with fluid retention,Taohong Siwu Decoction associated prescriptions are used to activate blood and remove stasis in patients with predominance of blood stasis syndrome,the compatibility of Poria and Paeoniae Radix Alba are used to treat retained water and blood stasis in patients with water-blood co-morbidity.Treating insomnia caused by disharmony between ying and wei from the perspective of the function of ying-wei in the generation,dispersion,divergence and aggregation is aimed at the core pathogenesis of insomnia,which makes the treatment easy to be carried out,and can provide reference for clinical differentiation and treatment of insomnia.
3.YANG Wen-Hui's Experience in Treating Lumbago Disease with YANG's Baliao-Acupoints Moxibustion
Dang-Han XU ; Zhao-Xi LIU ; Guo-Ji LIN ; Liang ZHENG ; Yun-Xuan HUANG ; Chun-Lin WEN ; Fang FANG
Journal of Guangzhou University of Traditional Chinese Medicine 2024;41(11):2973-2979
The experience of professor YANG Wen-Hui in treating lumbago disease with YANG's Baliao-acupoints moxibustion is introduced in this paper.YANG Wen-Hui believes that the basic pathogenesis of lumbago disease is'cold causes lower back pain',and based on the philosophical idea of'harmony in Shushu(the ways to cultivate health)',he proposes'YANG's Baliao-acupoints moxibustion'for the treatment of lumbago disease.According to the patient's condition,professor YANG used the acupoints of Shangliao(BL31),Ciliao(BL32),Zhongliao(BL33),and selected the moxa cone like jujube core,soybean or wheat grain,and applied moxibustion with the technique of'San Yang Kai Tai'or'Ruo feng Chui Yun',the number of moxibustion is proportional to the age of the patient.YANG's Baliao-acupoints moxibustion in treating lumbago disease exerts highly and remarkable clinical efficacy,and it was widely acclaimed by the patients.
4.Screen of key characteristic genes and analysis of immune cell infiltration in metastatic nasopharyngeal carcinoma base on machine learning
Jin LU ; Yun-Fan CHEN ; Hao-Xuan ZHANG ; Xue-Ying HUANG
Acta Anatomica Sinica 2024;55(3):311-318
Objective To screen the key characteristic genes of metastatic nasopharyngeal carcinoma(mNPC)and analyze the immune cell infiltration in tumor microenvironment using machine learning algorithm.Methods Firstly,the training set GSE103611 was downloaded from the GEO database,and the data were subjected to differential expression gene(DEGs)screening,Gene Ontology(GO),Kyoto Encyclopedia of Genes and Genome(KEGG)and immune cell infiltration analysis.Second,the predicted genes in DEGs were screened by least absolute shrinkage and selector operation(LASSO)regression,and the characteristic genes were screened by using the expression level of the predicted genes and receiver operating characteristic(ROC).Third,the correlation between characteristic genes and immune cells was further analyzed to determine the key characteristic genes.Finally,the expression levels of key characteristic genes and ROC were verified using the reverse validation set GSE1245 data.Results A total of 136 DEGs were obtained,and their KEGG were mainly enriched in cytochrome P450,tumor necrosis factor(TNF)signaling pathway,prion disease,EB virus infection,and other pathways.GO was mainly enriched in the negative regulatory processes of peptide-based tyrosine phosphorylation modification,viral gene expression,and B cell and leukocyte activation.The difference in the degree of infiltration of the 22 immune cells in nasopharyngeal carcinoma(NPC)and mNPC was not significant.Two key characteristic genes(DAZ1 and SCCPDH)of mNPC were finally obtained by LASSO regression,and they were significantly correlated with immune cells in the mNPC microenvironment(P<0.05).In the reverse validation data set,the differential expressions of DAZ1 and SCCPDH between non-NPC(nNPC)and NPC groups were not significant(P>0.05),and the AUC values of ROC of both were less than 0.6.Conclusion DAZ1 and SCCPDH are the key characteristic genes of mNPC and can be used as important markers for mNPC and immunotherapy.
5.Advances in roles of Parabacteroides distasonis and its regulation by traditional Chinese medicines.
Dan LONG ; Meng QIN ; Pei-Peng CHEN ; Xin HUANG ; Ya-Ting CAO ; Ai-Ling YIN ; Yue-Yue CHEN ; Hai-Dan WANG ; Yun-Ke GUO ; Xuan WANG ; Hai-Jian SUN ; Jin-Jun SHAN ; Wei ZHOU
China Journal of Chinese Materia Medica 2024;49(22):5988-5997
Parabacteroides distasonis is a gram-negative bacterium initially isolated from a clinical specimen in the 1930s. The strain was re-classified to form the new genus Parabacteroides in 2006. P. distasonis can regulate intestinal barrier function and plays a key role in immune response and metabolic regulation of bodies. Traditional Chinese medicine(TCM) is closely related to the intestinal microbiota. Polysaccharides, saponins, and other ingredients of TCM can treat diseases by interacting with P. distasonis, but the specific mechanisms underlying these processes are still unclear, requiring further exploration. This study reviewed the roles and related mechanisms of P. distasonis in inflammatory-immune diseases, metabolic diseases, cardiovascular disease, neuropsychiatric diseases, cancer, and other diseases and summarized the relevant research results of TCM to prevent and treat diseases by regulating P. distasonis. This study provides a reference for subsequent exploration of P. distasonis and research on the interaction between TCM and intestinal microbiota.
Humans
;
Gastrointestinal Microbiome/drug effects*
;
Medicine, Chinese Traditional
;
Animals
;
Bacteroidetes
;
Drugs, Chinese Herbal/pharmacology*
6.Mini-barcode combined with ITS2 for identification of bulk Artemisiae Scopariae Herba.
Xin-Yi LI ; Hua GUO ; Ming-Xue MA ; Liu-Wei XU ; Yu-Hua HUANG ; Yun ZHANG ; Cui-Ping YANG ; Feng HE ; Xiao-Xuan TIAN
China Journal of Chinese Materia Medica 2024;49(24):6685-6691
Artemisiae Scoporiae Herba is derived from Artemisia scoparia or A. capillaris. The accurate identification of the herbs, particularly when dealing with bulk samples, is critical for ensuring the quality and efficacy of the medicinal product. This study aimed to establish a comprehensive molecular approach by combining multiple markers for the precise identification of Artemisiae Scoporiae Herba. The ITS2 from A. scoparia, A. capillaris, and other common Artemisia species were retrieved from GenBank. MEGA was used to build a phylogenetic tree with these sequences, and the effectiveness of ITS2 in species identification was assessed. The analysis revealed that while ITS2 could distinguish Artemisiae Scoporiae Herba from other closely related species of Artemisia, it was insufficient to differentiate between A. scoparia and A. capillaris. To address this limitation, the chloroplast genome of A. capillaris was assembled and compared with the published chloroplast genomes of A. scoparia and A. capillaris, on the basis of which a DNA mini-barcode was developed. The rpoA-rps11 region was selected as the target for the development of mini-barcode due to its potential for distinguishing between these two species. Specific primers were designed to differentiate A. scoparia from A. capillaris. The ITS2 sequences and the newly developed mini-barcode were used together for Sanger sequencing to identify individual samples of Artemisiae Scoporiae Herba, while DNA metabarcoding was employed for the identification of bulk samples. The identification results of representative individual samples and bulk samples from different regions consistently confirmed A. capillaris. This study established a method that combined ITS2 and mini-barcode to identify bulk samples of Artemisiae Scoporiae Herba from different regions. This approach overcomes the limitations of morphological and chemical methods, enhancing species identification accuracy and supporting a stable supply of medicinal materials.
Artemisia/classification*
;
DNA Barcoding, Taxonomic/methods*
;
Phylogeny
;
DNA, Plant/genetics*
;
DNA, Ribosomal Spacer/genetics*
7.Herbal-moxa plaster for diarrhea type irritable bowel syndrome of spleen and kidney yang deficiency: a randomized controlled trial.
Zheng-Rong ZHAO ; Ya-Xuan WANG ; Fang-Yuan XU ; Wen-Chao ZHANG ; Qiao-Yun WANG ; Wei HUANG
Chinese Acupuncture & Moxibustion 2023;43(6):617-621
OBJECTIVE:
To compare the clinical efficacy between herbal-moxa plaster and moxa-box moxibustion for diarrhea type irritable bowel syndrome (IBS-D) of spleen and kidney yang deficiency.
METHODS:
Eighty patients with IBS-D of spleen and kidney yang deficiency were randomly divided into a herbal-moxa plaster group and a moxa-box moxibustion group, 40 cases in each group. The patients in the two groups were treated with conventional acupuncture at Baihui (GV 20), Yintang (GV 24+), Zhongwan (CV 12) and bilateral Tianshu (ST 25), Yinlingquan (SP 9), and Taixi (KI 3), etc. In addition, the patients in the herbal-moxa plaster group were treated with herbal-moxa plaster (Wenyang Fuzheng ointment, composed of prepared monkshood, prepared evodia rutaecarpa, dried ginger, cinnamon, etc.) at Shenque (CV 8), Guanyuan (CV 4), Zhongwan (CV 12) and bilateral Tianshu (ST 25), Shenshu (BL 23) and Shangjuxu (ST 37); the patients in the moxa-box moxibustion group were treated with moxa-box moxibustion at the same acupoints as the herbal-moxa plaster group. The acupuncture-moxibustion treatment was provided once every other day for 4 weeks (14 treatments). Before and after treatment, the scores of clinical symptom of TCM, irritable bowel syndrome (IBS) symptom severity scale (IBS-SSS) and IBS quality of life scale (IBS-QOL) were compared between the two groups, and the clinical efficacy was evaluated.
RESULTS:
Compared with those before treatment, each item scores and total scores of clinical symptom of TCM, and IBS-SSS scores in the two groups were reduced after treatment (P<0.05). The abdominal bloating score, stool frequency score and total score of clinical symptom of TCM as well as IBS-SSS score in the herbal-moxa plaster group were lower than those in the moxa-box moxibustion group (P<0.05). Compared with those before treatment, the IBS-QOL scores in the two groups were increased after treatment (P<0.05), and the IBS-QOL score in the herbal-moxa plaster group was higher than that in the moxa-box moxibustion group (P<0.05). The total effective rate was 92.5% (37/40) in the herbal-moxa plaster group, which was higher than 85.0% (34/40) in the moxa-box moxibustion group (P<0.05).
CONCLUSION
On the basis of conventional acupuncture treatment, herbal-moxa plaster could effectively improve the clinical symptoms and quality of life in IBS-D patients of spleen and kidney yang deficiency, and its efficacy is superior to that of moxa-box moxibustion.
Humans
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Spleen
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Irritable Bowel Syndrome/drug therapy*
;
Quality of Life
;
Yang Deficiency/drug therapy*
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Kidney
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Diarrhea
8.Research progress on chemical constituents and pharmacological effects of Kaixin Powder and predictive analysis of its Q-markers.
Xuan YANG ; Jun-Ying LI ; Xiao-Xiao SHAN ; Peng HUANG ; Can PENG ; Cai-Yun ZHANG
China Journal of Chinese Materia Medica 2023;48(8):2077-2085
Kaixin Powder is a classic prescription for invigorating Qi, nourishing the mind, and calming the mind. It has pharmacological effects of improving learning and memory ability, resisting oxidation, delaying aging, and promoting the differentiation and regeneration of nerve cells. It is mainly used in the modern clinical treatment of amnesia, depression, dementia, and other diseases. The present paper reviewed the research progress on the chemical composition and pharmacological action of Kaixin Powder, predicted and analyzed its quality markers(Q-markers) according to the concept of Chinese medicine Q-markers, including transmission and traceability, specificity, effectiveness, measurability, and compound compatibility environment. The results suggested that sibiricose A5, sibiricose A6, polygalaxanthone Ⅲ, 3',6-disinapoylsucrose, tenuifoliside A, ginsenoside Rg_1, ginsenoside Re, ginsenoside Rb_1, pachymic acid, β-asarone, and α-asarone could be used as Q-markers of Kaixin Powder. This study is expected to provide a scientific basis for establishing the quality control system and the whole process quality traceability system of Kaixin Powder compound preparations.
Ginsenosides
;
Powders
;
Drugs, Chinese Herbal/chemistry*
;
Medicine, Chinese Traditional
9.Effect and influence factors of cardiopulmonary resuscitation in children with congenital heart disease in pediatric intensive care unit.
Gang LIU ; Jian Ping CHU ; Jian Li CHEN ; Su Yun QIAN ; Dan Qun JIN ; Xiu Lan LU ; Mei Xian XU ; Yi Bing CHENG ; Zheng Yun SUN ; Hong Jun MIAO ; Jun LI ; Sheng Ying DONG ; Xin DING ; Ying WANG ; Qing CHEN ; Yuan Yuan DUAN ; Jiao Tian HUANG ; Yan Mei GUO ; Xiao Na SHI ; Jun SU ; Yi YIN ; Xiao Wei XIN ; Shao Dong ZHAO ; Zi Xuan LOU ; Jing Hui JIANG ; Jian Sheng ZENG
Chinese Journal of Pediatrics 2022;60(3):197-202
Objective: To investigate the prognostic factors of children with congenital heart disease (CHD) who had undergone cardiopulmonary resuscitation (CPR) in pediatric intensive care unit (PICU) in China. Methods: From November 2017 to October 2018, this retrospective multi-center study was conducted in 11 hospitals in China. It contained data from 281 cases who had undergone CPR and all of the subjects were divided into CHD group and non-CHD group. The general condition, duration of CPR, epinephrine doses during resuscitation, recovery of spontaneous circulation (ROSC), discharge survival rate and pediatric cerebral performance category in viable children at discharge were compared. According to whether malignant arrhythmia is the direct cause of cardiopulmonary arrest or not, children in CHD and non-CHD groups were divided into 2 subgroups: arrhythmia and non-arrhythmia, and the ROSC and survival rate to discharge were compared. Data in both groups were analyzed by t-test, chi-square analysis or ANOVA, and logistic regression were used to analyze the prognostic factors for ROSC and survival to discharge after cardiac arrest (CA). Results: The incidence of CA in PICU was 3.2% (372/11 588), and the implementation rate of CPR was 75.5% (281/372). There were 144 males and 137 females with median age of 32.8 (5.6, 42.7) months in all 281 CPA cases who received CPR. CHD group had 56 cases while non-CHD had 225 cases, with the percentage of 19.9% (56/281) and 80.1% (225/281) respectively. The proportion of female in CHD group was 60.7% (34/56) which was higher than that in non-CHD group (45.8%, 103/225) (χ2=4.00, P=0.045). There were no differences in ROSC and rate of survival to discharge between the two groups (P>0.05). The ROSC rate of children with arthythmid in CHD group was 70.0% (28/40), higher than 6/16 for non-arrhythmic children (χ2=5.06, P=0.024). At discharge, the pediatric cerebral performance category scores (1-3 scores) of CHD and non-CHD child were 50.9% (26/51) and 44.9% (92/205) respectively. Logistic regression analysis indicated that the independent prognostic factors of ROSC and survival to discharge in children with CHD were CPR duration (odds ratio (OR)=0.95, 0.97; 95%CI: 0.92~0.97, 0.95~0.99; both P<0.05) and epinephrine dosage (OR=0.87 and 0.79, 95%CI: 0.76-1.00 and 0.69-0.89, respectively; both P<0.05). Conclusions: There is no difference between CHD and non-CHD children in ROSC and survival rate of survival to discharge was low. The epinephrine dosage and the duration of CPR are related to the ROSC and survival to discharge of children with CHD.
Cardiopulmonary Resuscitation
;
Child
;
Child, Preschool
;
Female
;
Heart Arrest/therapy*
;
Heart Defects, Congenital/therapy*
;
Humans
;
Intensive Care Units, Pediatric
;
Male
;
Retrospective Studies
10.A multicenter epidemiological study of acute bacterial meningitis in children.
Cai Yun WANG ; Hong Mei XU ; Jiao TIAN ; Si Qi HONG ; Gang LIU ; Si Xuan WANG ; Feng GAO ; Jing LIU ; Fu Rong LIU ; Hui YU ; Xia WU ; Bi Quan CHEN ; Fang Fang SHEN ; Guo ZHENG ; Jie YU ; Min SHU ; Lu LIU ; Li Jun DU ; Pei LI ; Zhi Wei XU ; Meng Quan ZHU ; Li Su HUANG ; He Yu HUANG ; Hai Bo LI ; Yuan Yuan HUANG ; Dong WANG ; Fang WU ; Song Ting BAI ; Jing Jing TANG ; Qing Wen SHAN ; Lian Cheng LAN ; Chun Hui ZHU ; Yan XIONG ; Jian Mei TIAN ; Jia Hui WU ; Jian Hua HAO ; Hui Ya ZHAO ; Ai Wei LIN ; Shuang Shuang SONG ; Dao Jiong LIN ; Qiong Hua ZHOU ; Yu Ping GUO ; Jin Zhun WU ; Xiao Qing YANG ; Xin Hua ZHANG ; Ying GUO ; Qing CAO ; Li Juan LUO ; Zhong Bin TAO ; Wen Kai YANG ; Yong Kang ZHOU ; Yuan CHEN ; Li Jie FENG ; Guo Long ZHU ; Yan Hong ZHANG ; Ping XUE ; Xiao Qin LI ; Zheng Zhen TANG ; De Hui ZHANG ; Xue Wen SU ; Zheng Hai QU ; Ying ZHANG ; Shi Yong ZHAO ; Zheng Hong QI ; Lin PANG ; Cai Ying WANG ; Hui Ling DENG ; Xing Lou LIU ; Ying Hu CHEN ; Sainan SHU
Chinese Journal of Pediatrics 2022;60(10):1045-1053
Objective: To analyze the clinical epidemiological characteristics including composition of pathogens , clinical characteristics, and disease prognosis acute bacterial meningitis (ABM) in Chinese children. Methods: A retrospective analysis was performed on the clinical and laboratory data of 1 610 children <15 years of age with ABM in 33 tertiary hospitals in China from January 2019 to December 2020. Patients were divided into different groups according to age,<28 days group, 28 days to <3 months group, 3 months to <1 year group, 1-<5 years of age group, 5-<15 years of age group; etiology confirmed group and clinically diagnosed group according to etiology diagnosis. Non-numeric variables were analyzed with the Chi-square test or Fisher's exact test, while non-normal distrituction numeric variables were compared with nonparametric test. Results: Among 1 610 children with ABM, 955 were male and 650 were female (5 cases were not provided with gender information), and the age of onset was 1.5 (0.5, 5.5) months. There were 588 cases age from <28 days, 462 cases age from 28 days to <3 months, 302 cases age from 3 months to <1 year of age group, 156 cases in the 1-<5 years of age and 101 cases in the 5-<15 years of age. The detection rates were 38.8% (95/245) and 31.5% (70/222) of Escherichia coli and 27.8% (68/245) and 35.1% (78/222) of Streptococcus agalactiae in infants younger than 28 days of age and 28 days to 3 months of age; the detection rates of Streptococcus pneumonia, Escherichia coli, and Streptococcus agalactiae were 34.3% (61/178), 14.0% (25/178) and 13.5% (24/178) in the 3 months of age to <1 year of age group; the dominant pathogens were Streptococcus pneumoniae and the detection rate were 67.9% (74/109) and 44.4% (16/36) in the 1-<5 years of age and 5-<15 years of age . There were 9.7% (19/195) strains of Escherichia coli producing ultra-broad-spectrum β-lactamases. The positive rates of cerebrospinal fluid (CSF) culture and blood culture were 32.2% (515/1 598) and 25.0% (400/1 598), while 38.2% (126/330)and 25.3% (21/83) in CSF metagenomics next generation sequencing and Streptococcus pneumoniae antigen detection. There were 4.3% (32/790) cases of which CSF white blood cell counts were normal in etiology confirmed group. Among 1 610 children with ABM, main intracranial imaging complications were subdural effusion and (or) empyema in 349 cases (21.7%), hydrocephalus in 233 cases (14.5%), brain abscess in 178 cases (11.1%), and other cerebrovascular diseases, including encephalomalacia, cerebral infarction, and encephalatrophy, in 174 cases (10.8%). Among the 166 cases (10.3%) with unfavorable outcome, 32 cases (2.0%) died among whom 24 cases died before 1 year of age, and 37 cases (2.3%) had recurrence among whom 25 cases had recurrence within 3 weeks. The incidences of subdural effusion and (or) empyema, brain abscess and ependymitis in the etiology confirmed group were significantly higher than those in the clinically diagnosed group (26.2% (207/790) vs. 17.3% (142/820), 13.0% (103/790) vs. 9.1% (75/820), 4.6% (36/790) vs. 2.7% (22/820), χ2=18.71, 6.20, 4.07, all P<0.05), but there was no significant difference in the unfavorable outcomes, mortility, and recurrence between these 2 groups (all P>0.05). Conclusions: The onset age of ABM in children is usually within 1 year of age, especially <3 months. The common pathogens in infants <3 months of age are Escherichia coli and Streptococcus agalactiae, and the dominant pathogen in infant ≥3 months is Streptococcus pneumoniae. Subdural effusion and (or) empyema and hydrocephalus are common complications. ABM should not be excluded even if CSF white blood cell counts is within normal range. Standardized bacteriological examination should be paid more attention to increase the pathogenic detection rate. Non-culture CSF detection methods may facilitate the pathogenic diagnosis.
Adolescent
;
Brain Abscess
;
Child
;
Child, Preschool
;
Escherichia coli
;
Female
;
Humans
;
Hydrocephalus
;
Infant
;
Infant, Newborn
;
Male
;
Meningitis, Bacterial/epidemiology*
;
Retrospective Studies
;
Streptococcus agalactiae
;
Streptococcus pneumoniae
;
Subdural Effusion
;
beta-Lactamases


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