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Jia-Yue Wang, Xian-Zhu Zhou, Chan-Juan Wang, Shi-Han Xu, Hui-Yun Zhu, Yi-Qi Du, Department of Gastroenterology, The First Affiliated Hospital of Naval Medical University, Shanghai 200433, China
Corresponding author: Yi-Qi Du, Professor, Chief Physician, Department of Gastroenterology, The First Affiliated Hospital of Naval Medical University, No. 168 Changhai Road, Yangpu District, Shanghai 200433, China. duyiqi@hotmail.com
Received: November 16, 2023 Revised: December 6, 2023 Accepted: January 11, 2024 Published online: January 28, 2024
BACKGROUND
Increasing drug resistance of Helicobacter pylori (H. pylori) in China has become one of the major obstacles to the efficacy of empirical eradication therapy. Resistance profiles vary from region to region, which poses an additional challenge to the expansion of empirical eradication therapy.
AIM
To evaluate H. pylori antibiotic resistance in various regions of China systematically.
METHODS
A thorough computerized search of various databases, including PubMed, EMBASE, Web of Science, Sinomed, CNKI, Wanfang Data, and VIP, was conducted to identify cross-sectional studies on H. pylori resistance in various regions of China. Two researchers independently screened the literature, extracted the data, and evaluated the quality of the literature. R 4.3.1 software was used for Meta-analysis of the resistance rate to each antibiotic and their combinations.
RESULTS
A total of 46 eligible articles were included. Clarithromycin (CLA), levofloxacin (LEV), amoxicillin (AMX), tetracycline (TET), metronidazole (MNZ), and furazolidone (FZD) resistance rates in China were 27.72% (95% confidence interval [CI]: 23.80%-31.82%), 31.23% (95%CI: 26.62%-36.02%), 3.97% (95%CI: 1.96%-6.65%), 4.01% (95%CI: 1.36%-7.98%), 75.30% (95%CI: 70.31%-79.97%), and 0.64% (95%CI: 0.13%-1.53%), respectively. The rate of AMX resistance varied significantly among different regions of China, being the highest in South China (7.15%, 95%CI: 6.16%-76.10%) and the lowest in North China (1.86%, 95%CI: 0.67%-3.64%). CLA resistance in East and Central China, LEV resistance in East and Northwest China, and MNZ resistance in North and Southwest China all increased significantly over time, while AMX and TET resistance in East China notably decreased. CLA + MNZ, LEV + MNZ, and CLA + LEV dual resistance rates in China reached 14.05% (95%CI: 10.70%-17.77%), 15.12% (95%CI: 11.53%-19.10%), and 5.16% (95%CI: 2.87%-8.06%), respectively. CLA + LEV + MNZ, LEV + MNZ + AMX, and CLA + MNZ + AMX triple resistance rates were 10.36% (95%CI: 7.45%-13.69%), 0.92% (95%CI: 0.12%-2.44%), and 0.85% (95%CI: 0.20%-1.92%), respectively.
CONCLUSION
H. pylori resistance is serious in China, with MNZ resistance rate being the highest, followed by CLA and LEV resistance rates. The detection rate of some multi-resistant organisms has also reached a high level. Antibiotic resistance rates vary slightly across different regions of China, and most of them show an increasing trend over time.
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