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Objective To investigate the hemostatic effect of transanal prostatic resectoscope technology on massive rectal bleeding after transrectal prostate biopsy. Methods From May 2016 to March 2022, 483 patients underwent transrectal prostate biopsy, 5 patients of them had hemodynamic deterioration due to massive rectal bleeding within 3 to 8 hours after operation. After active rehydration and blood transfusion, transanal prostatic resectoscope technology was applied to check the biopsy region and coagulate the active bleeding point. After hemostasis, the anal tube was retained for drainage for 24 to 72 hours and then removed. Results The average bleeding volume was about 440 mL (400 mL -1 000 mL) ; Average blood transfusion volume; RBC 2. 0 U/case, homoplasma 520 mL/case; The average operation time was 25 minutes (20-30 minutes) ; Rebleeding, local infection, hyponatremia and hypokalemia was not observed; The mean hospital stay was 4. 5 days (3-7 days) . Conclusion Transanal prostatic resectoscope technology is an effective method for rapid control of massive rectal bleeding after transrectal prostate biopsy. This method has obvious advantages in direct vision, clea vision, visible bleeding point, accurate and reliable hemostasis. [ABSTRACT FROM AUTHOR]

Objective: To provide the radiation-induced technical reference and theoretical basis for safflower and other medicinal plants., Method: Seeds of Carthamus tinctorius were irradiated with 60Cogamma-ray, and germination rate of seeds, germination, seedling rate and seedling height, root length, fresh weight, root activity and peroxide catalase (CAT), peroxidase (POD), superoxide dismutase (SOD) activity were determined., Result and Conclusion: The LD50 of radiation dose is about 300 Gy, effects of seeds irradiation with 6Co-gamma-ray on shoot growth and physiological status of C. tinctorius are obtained.