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find Author "WU Lili" 2 results
  • Research progress of correlation between gastric cancer and non-Helicobacter pylori gastric microbes

    Gastric cancer is common as one kind of digestive tract malignant tumor, and Helicobacter pylori (Hp) infection is the most important cause of gastric cancer. With the wide application of quadruple therapy, the incidence of Hp-related gastric cancer has been significantly decreased. In addition to the involvement of gastric microbes in the regulation of normal gastric physiological function, the imbalance of gastric microbes is also involved in the pathogenesis of gastritis and gastric cancer. The imbalance of gastric microbes also plays an important role in the development of gastric cancer after eradication of Hp, and the mechanism has also been preliminary studied. Based on this, this article reviews the research progress of gastric microbes in gastric cancer, in order to further understand the pathogenic mechanism of gastric cancer and provide reference for seeking safer and more effective treatment for gastric cancer.

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  • Cardiovascular collapse caused by balloon pre-dilation during transcatheter aortic valve replacement: a case report

    Circulatory collapse is a common complication of transcatheter aortic valve replacement (TAVR), mainly due to new severe aortic regurgitation after balloon pre-dilation. This article reports the case of an 80-year-old female patient with severe aortic stenosis, who had a type 1 bicuspid aortic valve, with calcified aortic valve commissure between the right and left coronary cusps. During the procedure of TAVR, severe aortic regurgitation was caused by pre-dilation with 20 mm and 23 mm balloons. Then circulatory collapse and cardiogenic shock occurred. After the emergency deployment of the Venus A L26 valve, the cardiovascular hemodynamics was immediately improved. This case suggests that oversized balloon dilation should be avoided to prevent circulatory collapse caused by massive aortic regurgitation.

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