Gene therapy is becoming an important treatment modality for gravely ill patients, and today's medical students and postgraduates are both potential consumers and future providers of gene therapy. Therefore, their attitudes and concerns about gene therapy may directly influence its long-term development and implementation in the clinic. We performed a cross-sectional survey of medical students and postgraduates at West China Medical School of Sichuan University. A custom-designed questionnaire was distributed to 600 students, and 579 were valid (96.98% response). Most respondents (84.46%) indicated little prior knowledge about gene therapy. The proportion of respondents considering gene therapy as acceptable ranged from 63.73% for serious illness to 17.72% for genetic enhancement. Adverse side effects were the most frequent concern among respondents when asked to imagine that they would receive gene therapy to treat a severe brain-related illness. These results suggest that medical students in China consider gene therapy's acceptability to be rather low, and are most concerned about its adverse side effects.
This study aims to assess the efficacy and safety of Rehmannia glutinosa acteosides used in combination with the angiotensin receptor blocker irbesartan to treat primary chronic glomerulonephritis. A total of 479 patients diagnosed with primary chronic glomerulonephritis were recruited from outpatient clinics and were randomly assigned to the treatment group (Rehmannia glutinosa acteosides, two 200-mg capsules, bid; and irbesartan, one 150-mg tablet, qd) or the control group (irbesartan, one 150-mg tablet, qd). The primary outcome was 24-h urinary protein. Secondary outcome measures included blood pressure, estimated glomerular filtration rate, erythrocyturia, serum alanine aminotransferase, aspartate transaminase and electrolytes. After 8 weeks of treatment, the treatment group showed a mean reduction in 24-h proteinuria of 36.42% compared to baseline, which was significantly higher than the mean reduction from baseline of 27.97% in the control group (P = 0.0278).Adverse drug reactions occurred at a similarly low rate in the treatment group (0.4%) and control group (1.2%, P = 0.3724). In the treatment of chronic glomerulonephritis, the combination of Rehmannia glutinosa acteosides and irbesartan can reduce proteinuria more effectively than irbesartan alone.
The aim of this study is to evaluate the ability of the random forest algorithm that combines data on transrectal ultrasound findings, age, and serum levels of prostate-specific antigen to predict prostate carcinoma. Clinico-demographic data were analyzed for 941 patients with prostate diseases treated at our hospital, including age, serum prostate-specific antigen levels, transrectal ultrasound findings, and pathology diagnosis based on ultrasound-guided needle biopsy of the prostate. These data were compared between patients with and without prostate cancer using the Chi-square test, and then entered into the random forest model to predict diagnosis. Patients with and without prostate cancer differed significantly in age and serum prostate-specific antigen levels (P < 0.001), as well as in all transrectal ultrasound characteristics (P < 0.05) except uneven echo (P = 0.609). The random forest model based on age, prostate-specific antigen and ultrasound predicted prostate cancer with an accuracy of 83.10%, sensitivity of 65.64%, and specificity of 93.83%. Positive predictive value was 86.72%, and negative predictive value was 81.64%. By integrating age, prostate-specific antigen levels and transrectal ultrasound findings, the random forest algorithm shows better diagnostic performance for prostate cancer than either diagnostic indicator on its own. This algorithm may help improve diagnosis of the disease by identifying patients at high risk for biopsy.
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