Objective To evaluate the therapeutic effect of tulobuterol tape on mild or moderate bronchial asthma in children less than three years old . Methods Sixty-two children with mild or moderate asthma were randomized to receive either tulobuterol tape(treatment group) or procaterol hydrochloride tablet(control group) on the basis of inhaled fluticasone propionate for 2 weeks. Symptom scores of asthma, frequencies of episode of wheeze, doses of inhaled ventolin as rescue drug and the incidence of adverse reactions were recorded. Results In the treatment group,the symptom scores during daytime in the treatment group were (2. 2 ±0. 9)/week and (0. 9 ±0. 5)/week after 1 and 2 weeks of treatment, respectively, which were significantly lower than that in the control group(3.4 ± 1. 1)/week and (1. 3 ± 0. 6)/week after 1 and 2 weeks of treatment, respectively) (P < 0. 05). The symptom scores during night in the treatment group was significantly lower than that in the control group after one week of treatment (1. 8 ± 0. 7) /week v. s. (3. 3 ± 0. 9) /week, P < 0. 05). The frequencies of episode of wheeze was significantly different between the two groups (2. 3 ±1.2 and 3. 6 ± 1.3 in the treatment and control groups, respectively (P < 0.05) .The doses of inhaled ventolin in the treatment group (2. 6 ±0.9 spray/week) was significantly lower than that in the control group (3.7 ± 0. 8) spray/week) (P < 0. 05). The incidence of adverse reactions in the treatment group was significantly lower than that in the control group (3. 12% v. s. 23. 33% ,x2 = 3. 89,P<0.05). Conclusions Tulobuterol tape is a safe and effective medication for the treatment of mild or moderate bronchial asthma in children less than three years old.

were no significant differences in the detection rate of recto-sigmoid colon,mid colon,right colon and total detection of polyps among the 3 groups (P >0.05).Conclusion 4-L split-dose PEG is better than the oth-er 2 regimens in the colon cleansing quality,so it can better reach the intestinal cleaning standards before enteroscopy,which is a more suitable regimen for bowel preparation.

Objective:To investigate the knowledge and practice of the Sixth Chinese national consensus report on the management of Helicobacter pylori ( H. pylori) infection (treament excluded) (referred to as sixth national consensus)and 2022 Chinese national clinical practice guideline on H. pylori eradication treatment (referred to as guideline) among gastroenterologists in China, so as to provide out relevant training in the future. Methods:A questionnaire was designed according to sixth national consensus and guideline, including knowledge and practice of sixth national consensus and guideline, and the detection, indications of eradication, the relationship between infection and gastrointestinal microbiota, and eradication of H. pylori. From November 1 to 30 in 2023, the questionnaire-based survey was conducted among 1 506 gastroenterologists from secondary and tertiary hospitals of 24 provinces, autonomous regions and municipalities in China with convenience sampling method using the "Questionnaire Star" online questionnaire platform and the questionnaire link was sent by WeChat. Descriptive methods were used for statistical analysis. Results:A total of 1 442 valid questionnaires were collected. The awareness rate of sixth national consensus and guideline of gastroenterologists was 83.7% (1 207/1 442), and 47.2% (680/1 442) had read the relevant content in detail. Urea breath test (97.4%, 1 404/1 442) was the most commonly used method for diagnosing current H. pylori infection, however, more than half of the physicians chose serological test (53.3%, 769/1 442) for the diagnosis of current infection. The common indications of H. pylori eradication could be identified by 84.3%(1 215/1 442) of gastroenterologists. The most well-known eradication regimen was bismuth quadruple regimen (98.5%, 1 421/1 442), while some physicians still believed that the standard triple regimen (31.8%, 459/1 442) and sequential regimen (21.9%, 316/1 442) were recommended by the guideline. A further 20.2% (291/1 442) frequently prescribed a triple regimen combined with gastric mucosal protectants and the awareness rate of high-dose dual regimen was 59.1% (852/1 442). Amoxicillin + clarithromycin (65.4%, 943/1 442) and amoxicillin+ furazolidone (20.1%, 290/1 442) were commonly used antibiotic combinations in bismuth quadruple therapy. Potassium-competitive acid blockers and double-dose proton pump inhibitors were commonly used in bismuth quadruple therapy by 45.4% (655/1 442) and 46.0% (664/1 442) of physicians, respectively. For patients with multiple failed eradications, furazolidone was the most commonly used antibiotic for re-eradication(71.7%, 1 034/1 442). Conclusion:The knowledge and practice of gastroenterologists on H. pylori infection in China deviates from the new consensus and guideline, and more publicity and training should be carried out in future to improve the ability of gastroenterologists to standardise the diagnosis and treatment of H. pylori infection.

Objective    To compare the effectiveness and safety of electromagnetic navigation-guided localization and CT-guided percutaneous localization for pulmonary nodules. Methods    The literature published from the inception to January 2021 about the comparison between electromagnetic navigation-guided localization and CT-guided percutaneous localization for pulmonary nodules in the PubMed, The Cochrane Library, Web of Science, EMbase, Chinese Wanfang database and CNKI database was searched. RevMan (version 5.4) software was used for meta-analysis. Nonrandomized controlled trials were evaluated using methodological index for nonrandomized studies (MINORS). Results    A total of six retrospective studies (567 patients) were included in this meta-analysis. MINORS scores of all studies were all 17 points and above. There were 317 patients in the CT-guided percutaneous localization group and 250 patients in the electromagnetic navigation-guided localization group. The complication rate of the CT-guided percutaneous localization group was significantly higher than that in the electromagnetic navigation-guided localization group (OR=11.08, 95%CI 3.35 to 36.65, P<0.001). There was no significant difference in the success rate of localization (OR=0.48, 95%CI 0.16 to 1.48, P=0.20), localization time (MD=0.30, 95%CI –6.16 to 6.77, P=0.93) or nodule diameter (MD=–0.07, 95%CI –0.19 to 0.06, P=0.29) between the two groups. Conclusion    Electromagnetic navigation can be used  as an effective preoperative positioning method for pulmonary nodules, which has the advantage of lower complication rate compared with the traditional CT positioning method.