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Effect of"Fuzheng Qingretonglin"decoction on complex urinary tract infection in rats by regulating NLRP3 inflammasome pathway
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作者 ZHONG Yu-wen SU Hong-wei +3 位作者 LUO Xiao-quan LAI Jun-yu ZHU Yong-sheng LIU Xin 《Journal of Hainan Medical University》 CAS 2023年第6期15-21,共7页
Obiective:To investigate whether"Fuzheng Qingretonglin"decoction can reduce urinary tract damage caused by complex urinary tract infection caused by drug resistant Escherichia coli by regulating Nod-like rec... Obiective:To investigate whether"Fuzheng Qingretonglin"decoction can reduce urinary tract damage caused by complex urinary tract infection caused by drug resistant Escherichia coli by regulating Nod-like receptor pyrin domain3 inflammasome,and to explore the feasibility of this decoction combined with levofloxacin in the treatment of complex urinary tract infection caused by drug resistant bacteria.Methods:SD rats were divided into five groups:sham group,model group,levofloxacin group(Lev group),levofloxacin+Fuzheng Qingre Tonglin decoction group(FZ+lev group),and Fuzheng Qingre Tonglin decoction group(FZQRTL group).After the experiment,urine was taken for bacterial culture to determine the urinary tract infection of rats in each group;HE staining was used to observe the pathological changes of kidney and bladder tissues in rats;The expression of NLRP3 in kidney and bladder tissues was detected by immunohistochemistry;The expression of IL-1βand IL-18 in serum of rats was detected by ELISA;The expressions of NLRP3,ASC and Caspase-1 were detected by Western blotting.Results:The positive rate of urine bacteria culture in the sham group was 0%,the positive rate of urine bacteria culture in the model group was 100%;and the positive rate of urine bacteria culture in the FZ+lev group was 37.50%,which was statistically different from that in the model group(P<0.05).A large number of inflammatory cells were observed in the kidney and bladder tissues of the model group by HE staining,while the number of inflammatory cells in the kidney and bladder tissues of the Lev group and FZQRTL group was significantly reduced compared with that of the model group.The FZ+lev group in the number and structure of inflammatory cells in kidney and bladder were similar to the sham group.The NLRP3 immunohistochemistry of kidney and bladder tissue in FZ+lev groups and FZQRTL groups was significantly different from that in model group(P<0.001).The levels of IL-1βand IL-18 in serum of Lev group,FZQRTL group and FZ+lev group were significantly decreased by ELISA compared with model group(P<0.001).The levels of IL-1βand IL-18 in the FZ+lev groups were significantly lower than in the Lev group and FZQRTL group,and the differences were statistically significant(P<0.05).The protein expressions of NLRP3,ASC and Caspase-1 in the Lev group,FZQRTL group and FZ+lev group were significantly lower than those in the model group(P<0.001).The protein expressions of NLRP3,ASC and Caspase-1 in the FZ+lev groups were significantly lower than in the Lev group and FZQRTL group,and the differences were statistically significant(P<0.05).Conclusions:"Fuzheng Qingretonglin"decoction may have a protective effect on the kidney and bladder of rats with complex urinary tract infection caused by drug-resistant Escherichia coli by inhibiting the activation of NLRP3 inflammatory bodies,and TCM combined with levofloxacin has a better therapeutic effect than TCM or levofloxacin alone. 展开更多
关键词 Complicated urinary tract infection Drug-resistant Escherichia coli Traditional Chinese medicine Qingretonglin NLRP3 inflammasome
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The effect of perirenal fat stranding on infectious complications after ureterorenoscopy in patients with ureteral calculi 被引量:3
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作者 Erhan Demirelli Ercan Ogreden +2 位作者 Cemil Bayraktar Alptekin Tosun Ural Oguz 《Asian Journal of Urology》 CSCD 2022年第3期307-312,共6页
Objective:Perirenal fat stranding(PFS)is linear areas of soft-tissue attenuation in the perirenal space on non-contrast computed tomography.The present study aimed to investigate whether PFS is associated with infecti... Objective:Perirenal fat stranding(PFS)is linear areas of soft-tissue attenuation in the perirenal space on non-contrast computed tomography.The present study aimed to investigate whether PFS is associated with infectious complications after ureterorenoscopy(URS)in patients with ureteral calculi in any location.Methods:The data of 602 patients with ureteral stones who underwent URS were analyzed retrospectively.The patients were divided into two groups as Group 1(PFS not detected)and Group 2(PFS detected).Gender,and age of patients,size,side,and location of the stone,operation time,double-J stent insertion status,perioperative ureter injury,postoperative infection after URS and related complications,and duration of hospital stay were compared.Results:While PFS was not detected in 530 patients,PFS was detected in 72 patients.The mean age,male/female ratio,side and localization of the stones,operation time,and perioperative insertion of the double-J after lithotripsy were statistically similar(p>0.05).The median stone diameter was smaller in Group 2(9 mm vs.8 mm)(p=0.033).Fever was observed in 30 and 38 patients in Group 1 and Group 2,respectively(p=0.0001).Urinary tract infection was detected in 24 and 27 patients in Group 1 and Group 2,respectively(p=0.0001).The urosepsis did not occur in any patients in Group 1,whereas 8(11.1%)patients in Group 2 experienced urosepsis(p=0.0001).Conclusion:According to the results of the present study,patients with ureteral stones accompanied by PFS are much more prone to ureteral injuries and infectious complications such as urinary tract infection,fever,and sepsis after URS. 展开更多
关键词 Perirenal fat stranding Infective complications URETERORENOSCOPY Ureteral stones Double-J stent
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Clinical and Microbiological Characteristics of Patients with Complicated Intra-abdominal Infections in Intensive Care Unit 被引量:2
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作者 Yang-mei XIONG Xin RAO 《Current Medical Science》 SCIE CAS 2020年第1期104-109,共6页
In order to investigate the clinical and microbiological characteristics of patients with complicated intra-abdominal infections(cIAIs)in intensive care unit(ICU),the clinical data of 612 cIAIs patients from January 2... In order to investigate the clinical and microbiological characteristics of patients with complicated intra-abdominal infections(cIAIs)in intensive care unit(ICU),the clinical data of 612 cIAIs patients from January 2016 to December 2018 were retrospectively collected.Clinical characteristics,distribution of pathogens and drug resistance were statistically analyzed.It was found that patients with community-acquired intra-abdominal infections(CA-IAIs)made up a majority of cIAIs patients.The positive rate of abdominal drainage fluid culture was 55.56%.Gramnegative bacteria accounted for the majority,the most commonly isolated bacteria of which were Escherichia coli(20.96%),Klebsiella pneumoniae(10.20%)and Pseudomonas aeruginosa(5.57%).The most commonly isolated gram-positive bacteria were Enterococcus(16.88%)and Methicillinresistant staphylococcus aureus(MRSA,3.90%).Enterobacter isolates showed high resistance rate to most cephalosporins and low resistance rate to piperacillin/tazobactam and carbapenems.Extended spectrum beta-lactamase(ESBL)screen positive isolates from CA-IAIs patients showed an increasing trend in past three years.Enterococcus and MRSA showed high resistance rate to clindamycin,quinolone,erythromycin and tetracycline,while they showed high sensitivity rate to linezolid,tegacycline,teicoplanin and vancomycin.Our results indicate that isolated bacteria from abdominal drainage fluid show high resistance rates to commonly used antibiotics in ICU patients with cIAIs.The curative effects on diseases should be monitored continuously when antibiotics are used.Meanwhile,we should always keep eyes on drug-resistant bacteria,especially when the treatment efficacy is not good. 展开更多
关键词 complicated intra-abdominal infection PATHOGENS extended spectrum beta-lactamase screen positive isolates resistance rate
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Effect of "Fuzheng Qingre Tonglin" prescription on rats with complicated urinary tract infection caused by ESBLs-producing Escherichia coli
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作者 Fan Liu Hong-Wei Su +2 位作者 Tian-Wen He Yong-Sheng Zhu Xin Liu 《Journal of Hainan Medical University》 2019年第19期7-11,共5页
Objective: To observe the effect of traditional Chinese medicine "Fuzheng Qingre Tonglin"prescription on rats with complicated urinary tract infection caused by extended-spectrumβ-lactamases (ESBLs)-produci... Objective: To observe the effect of traditional Chinese medicine "Fuzheng Qingre Tonglin"prescription on rats with complicated urinary tract infection caused by extended-spectrumβ-lactamases (ESBLs)-producing Escherichia coli and its possible mechanism. Methods:Specific-pathogen-free female SD rats with 7-9 weeks old were randomly divided into model group, levofloxacin group, low-dose Fuzheng Qingre Tonglin group, high-dose Fuzheng Qingre Tonglin group, levofloxacin+Fuzheng Qingre Tonglin group (n=8 in each above group), and also there was a control group with 5 rats. Each group was administered intragastrically 2 days after model establishment for 14 consecutive days. The general condition of the rats was observed. Renal pathological changes were observed by light microscopy under hematoxylin-eosin staining. The number of white blood cells and the percentage of neutral particles (NEUT%) were detected. ELISA was used for the determination of C-reactive protein (CRP), CD4+, CD8+ in the blood, and secretory immunoglobulin A (SIgA), N-acetyl-β-D-glucosidase (NAG) molecules in urine. Results: There were a large number of inflammatory cells in the kidney of the model group and the levofloxacin group. The inflammatory cells in the treatment group were significantly reduced. The NEUT% and CRP in the blood of each treatment group and the NAG in the urine were significantly lower than those in the model group (P<0.05), except levofloxacin group. Compared with the model group, except for the levofloxacin group, serum CD4 concentration and CD4/CD8 ratio in the other treatment groups were significantly decreased, and CD8 molecules were significantly increased (P<0.05). Conclusion: "Fuzheng Qingre Tonglin" can alleviate systemic and local inflammation of complicated urinary tract infections in rats. It may also have the effect of re-sensing the insensitive antibacterial drug to bacteria and may have the function of regulating immune function and protecting kidney function in rats. 展开更多
关键词 Traditional Chinese medicine Fuzheng Qingre Tonglin Complicated urinary tract infection Extended-spectrumβ-lactamase
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Tigecycline Use in Surgical Intensive Care Unit for the Treatment of Complicated Intra-Abdominal Infections: A Real-World Study
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作者 Yao Nie Fei Pei +2 位作者 Luhao Wang Xiang Si Xiangdong Guan 《International Journal of Clinical Medicine》 2021年第1期1-6,共6页
OBJECTIVES: To describe real-world use of tigecycline in cIAIs patients. METHODS: A retrospective, observational study enrolled cIAIs patients hospitalized in The First Affiliated Hospital, Sun Yat-sen University from... OBJECTIVES: To describe real-world use of tigecycline in cIAIs patients. METHODS: A retrospective, observational study enrolled cIAIs patients hospitalized in The First Affiliated Hospital, Sun Yat-sen University from January 1, 2013 to June 30, 2017 was conducted. Patients’ data were collected and matched based on age, gender, and Acute Physiologic Assessment and Chronic Health Evaluation II (APACHE II) score according to receiving first-line, later-line, or no tigecycline during hospitalization. RESULTS: Data were collected for 52 patients. 82.6% were male. Mean age was 57.8 years and APACHE II score was 14.8. The incidence of both extended-spectrum beta-lactamase producing and carbapenem-resistant pathogens was high on initial culture;however, few patients received first-line tigecycline. No significant difference in mortality rate was identified among first-line, later-line and no tigecycline users. Of surviving patients, shorter hospital length of stay was observed for patients receiving first- vs later-line or no tigecycline, respectively. ICU length-of-stay was shorter in patients receiving first- vs later-line or no tigecycline. CONCLUSIONS: First-line tigecycline use was rare in our surgical intensive care unit. Resistant organisms were commonly cultured from initial specimens. Although these results are limited by small patient numbers and single center, our results suggest that early tigecycline use may have significant benefits with similar mortality. Further research is warranted to demonstrate the values of early tigecycline use in cIAIs patients. 展开更多
关键词 TIGECYCLINE Complicated Intra-Abdominal infection MULTIDRUG-RESISTANT
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H pylori seroprevalence in patients with lung cancer 被引量:8
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作者 Katayoon Najafizadeh Sayeed Falah Tafti +2 位作者 Masoud Shiehmorteza Masoud Saloor Masoud Jamali 《World Journal of Gastroenterology》 SCIE CAS CSCD 2007年第16期2349-2351,共3页
AIM: To assess H pylori seroprevalence in lung cancer and determine whether there is a potential association between lung cancer and H pylori infection. METHODS: The study was conducted on forty consecutive patients w... AIM: To assess H pylori seroprevalence in lung cancer and determine whether there is a potential association between lung cancer and H pylori infection. METHODS: The study was conducted on forty consecutive patients with lung cancer, confirmed by pathology (32 men, 8 women; mean age 55.50 ± 11.91 years, range 16-77 years). Forty healthy subjects (25 men, 15 women; mean age 43.08 ± 12.60 years, range 20-79 years) from the patients’ family members were matched to each case subject on the basis of age and socioeconomic status. H pylori infection was detected with a commercially available immunoglobulin G (IgG) enzyme-linked immunosorbent assay (Trinity kit, Biotech co., USA), previously validated in adults (86% sensitivity, 96% specificity) against a gold standard of culture and histology. RESULTS: H pylori seropositivity was present in 52.5% of patients with lung cancer in comparison to 45.0% of healthy control subjects. Although H pylori seropositivity was more frequent in lung cancer patients than in controls, the difference did not reach statistical significance (OR = 1.35, 95% CI = 0.56-3.25; P = 0.65). In addition, there was no significant difference between cases and controls in terms of gastrointestinal symptoms. CONCLUSION: The earlier described association between H pylori infection and lung cancer was not supported in this study. Further studies with larger sample sizes should be undertaken to assess the frequency of H pylori infection in patients with lung cancer and their potential association. 展开更多
关键词 Lung neoplasm H pylori Helicobacter infections/complications Carcinoma/Non-small cell Carcinoma/Squamous cell Case-control studies
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Helicobacter pylori and gastric cancer: current status of the Austrian-Czech-German gastric cancer prevention trial (PRISMA-Study) 被引量:5
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作者 S.Miehlke C.Kirsch +12 位作者 B.Dragosics M.Gschwantler G.Oberhuber D.Antos P.Dite J.Lauter J.Labenz A.Leodolter P.Malfertheiner A.Neubauer G.Ehninger M.Stolte E.Bayerdorffer 《World Journal of Gastroenterology》 SCIE CAS CSCD 2001年第2期243-247,共5页
AIM To test the hypothesis that Helicobacter pylori eradication alone can reduce the incidence of gastric cancer in a subgroup of individuals with an increased risk for this fatal disease.METHODS It is a prospective, ... AIM To test the hypothesis that Helicobacter pylori eradication alone can reduce the incidence of gastric cancer in a subgroup of individuals with an increased risk for this fatal disease.METHODS It is a prospective, randomized,double-blind, placebo-controlled multinational multicenter trial. Men between 55 and 65 years of age with a gastric cancer phenotype of Helicobacterpylori gastritis are randomized to receive a 7-day course of omeprazole 2 × 20 mg,clarithromycin 2 × 500 mg, and amoxicillin 2 ×lg for 7 days, or omeprazole2 × 20mg plusplacebo. Follow - up endoscopy is scheduled 3months after therapy, and thereafter in one-year intervals. Predefined study endpoints are gastric cancer, precancerous lesions (dysplasia, adenoma), other cancers, anddeath.RESULTS Since March 1998, 1524 target patients have been screened, 279 patients (18.3%) had a corpus-dominant type of H.pylori gastritis, and 167 of those were randomized (58.8%). In the active treatment group (n -- 86), H. pylori infection infection was cured in 88.9% of patients. Currently, thecumulative follow-up time is 3046 months (253.8patient-years, median follow-up 16 months). So far, none of the patients developed gastric cancer or any precancerous lesion. Three(1.8%) patients reached study endpoints other than gastric cancer.CONCLUSION Among men between 55 and 65years of age, the gastric cancer phenotype of H.pylori gastritis appears to be more common than expected. Further follow- up and continuing recruitment are necessary to fulfil the main aim of the study. 展开更多
关键词 HELICOBACTER pylori HELICOBACTER infections/complications HELICOBACTER infections/drug THERAPY STOMACH neoplasms /microbiology STOMACH neoplasms/drug THERAPY gastritis/microbiology gastritis/drug THERAPY
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Investigation of infection risk and the value of urine endotoxin during extracorporeal shock wave lithotripsy
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作者 李兰娟 沈周俊 +2 位作者 王华 傅素珍 程广 《Chinese Medical Journal》 SCIE CAS CSCD 2001年第5期62-65,108,共5页
Objective To clarify the infection risks and the value of endotoxin determination in urine during extracorporeal shock wave lithotripsy (ESWL).Methods According to the distribution and complications of upper urinary c... Objective To clarify the infection risks and the value of endotoxin determination in urine during extracorporeal shock wave lithotripsy (ESWL).Methods According to the distribution and complications of upper urinary calculi, 164 patients were divided into five groups. Group A consisted of 48 patients with 1 to 4 renal calculi, which were or less than 2 crn in diameter. Group B was composed of 24 patients with renal calculus larger than 2 cm in diameter or one to multiple renal calculi. Group C wes composed of 22 patients with 1 to 3 renal calculi accompanied by 1 to 2 ureteric calculi. Group D consisted of 51 patients with 1 to 3 ureteric calculi that were 0.5 to 1.2 cm in diameter, respectively. Group E included 19 patients with complicated renal calculus, such es casting and staghom renal calculus. Urine and blood samples of these patients were obtained before and after ESWL, respectively. Their urine samples were proven sterile prior to treatment. All samples were cultured for bacteria and investigated for endotoxin concentration by the limulus lysate test.Results No significant difference in serum endotoxin wes noted before and after ESWL. Blood bacterial cultures were all negative in all patients after ESWL, similar to those before ESWL. Significant increases in urine endotoxin after ESWL compared with that before ESWL in patients of Groups B, C and E were observed, respectively (P < 0.05). There was no significant difference in urine endotoxin after ESWL compared with that before ESWL in patients of Groups A and D. The positive incidences of urine bacterial culture were significantly increased (P < 0.05) in Groups B and C and very significantly increased ( P < 0.01 ) in Group E compared with those in Groups A and D.Conclusions Urinary infection risk following ESWL was lower in patients with one to several renal calculi,which were less than 2 cm in diameter and did not interfere obviously with the urine flow or in patients with 1 to 3 ureteric calculi that were 0. 5 to 1.2 cm in diameter. The risk was higher in those with complicated calculi, such as casting, staghom renal calculus, renal calculus larger than 2 cm in diameter or renal calculi accompanied by ureteric calculi. For patients with higher infection risk after ESWL, prophylactic antibiotics are necessary even if bacteriuria is not present before ESWL. Endotoxin determination in urine is a reliable,sensitive and simple method for the diagnosis of bacterial infection in patients undergoing ESWL. 展开更多
关键词 extracorporeal shock wave lithotripsy · complications · endotoxin · infection
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Analysis on the risk factors of intracranial infection secondary to traumatic brain injury 被引量:31
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作者 Chao Lin Xin Zhao Haichen Sun 《Chinese Journal of Traumatology》 CAS CSCD 2015年第2期81-83,共3页
Objective: To discuss the characteristics and risk factors for intracranial infection post traumatic brain injury to prevent and better the clinical care. Methods: Retrospective study of 520 patients with traumatic ... Objective: To discuss the characteristics and risk factors for intracranial infection post traumatic brain injury to prevent and better the clinical care. Methods: Retrospective study of 520 patients with traumatic brain injury were included, 308 male and 212 female. The risky factors of intracranial infection were identified. Results: Thirty two cases (6.54%, 321520) of intracranial infection were diagnosed, lntracranial infection most likely happened 4-10 days after injury. Cerebrospinal fluid leakage, drainage, multiple craniotomies were significant related to intracranial infection. Logistic regression predicted cerebrospinal fluid leakage and drainage as independent factors. Conclusion: Intracranial infection is a serious complication after traumatic brain injury, Patients with drainage or cerebrospinal fluid leakage are more risky for intracranial infection, Aggressive precaution should be taken to better outcome. 展开更多
关键词 Traumatic brain injury complication Intracranial infection Risky factor
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Risk factors and prognosis of neurological complications in patients with infective endocarditis
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作者 王辉 《China Medical Abstracts(Internal Medicine)》 2016年第3期153-,共1页
Objective To identify risk factors of neurological complications(NC)in left-sided infective endocarditis(IE)and to assess its impact on the outcome and cardiac surgery.Methods Clinical data,NC,treatment and outcome of... Objective To identify risk factors of neurological complications(NC)in left-sided infective endocarditis(IE)and to assess its impact on the outcome and cardiac surgery.Methods Clinical data,NC,treatment and outcome of patients with definite left-sided IE admitted to our hospital during 2001—2012 were retrospectively ana- 展开更多
关键词 NC Risk factors and prognosis of neurological complications in patients with infective endocarditis
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