相关实验视频
Updated: Jan 21, 2026

05:16
Sleeve Gastrectomy in Mice using Surgical Clips
Published on: November 14, 2020
7.3K
环增大与非环增大袖子胃切除术在BMI>50kg/m2的患者中:随机对照试验的3年随访
Mohamed Hany1,2, Walid El Ansari3, Mohamed H Zidan4,5,6
1Department of Surgery, Medical Research Institute, Alexandria University, Alexandria, Egypt. mohamed.ashour@alexu.edu.eg.
Obesity surgery
|January 19, 2026
概括
环增强袖子胃切除术 (Ra-SG) 与标准袖子胃切除术 (SG) 相比,提供了更好的长期减肥耐用性和减少重复体重增加. 虽然安全性和GERD结果相似,但Ra-SG的食物耐受性较低.
科学领域:
- 腹部外科 腹部外科
- 胃肠病学 胃肠病学
- 肥胖医学 肥胖医学
背景情况:
- 袖子胃切除术 (SG) 是一种常见的减肥手术,但与晚期复发性体重增加 (RWG) 有关.
- 环增强袖胃切除术 (Ra-SG) 旨在提高长期限制和耐用性,而不是标准的SG.
研究的目的:
- 为了比较Ra-SG与SG在BMI>50kg/m2的患者中的疗效和安全性.
- 为了评估长期减肥,重复增加体重,胃囊体积和相关的医疗状况.
主要方法:
- 一个单中心,前性,单盲随机试验,涉及BMI>50 kg/m2的成年人,随机分为SG或Ra-SG.
- 随访进行了36个月,评估了百分比的总体重减轻 (%TWL),RWG,胃囊体积,并发症和患者报告的结果.
主要成果:
- 在36个月后,Ra-SG显著增加了TWL% (48.8%与45.5%相比;p=0.008) 和临床显著的RWG率较低 (5.9%与16.3%相比;p=0.033).
- 在Ra-SG后,胃囊体积较小 (160.1毫升与194.2毫升相比;p<0.001),经过手术后的并发症相似,并在3年后的GERD患病率相似.
- 在SG (p<0.05) 后,食物耐受性始终更好,尽管与健康有关的生活质量在两组中都有相似的改善.
结论:
- 与SG相比,Ra-SG增强了减肥的耐用性,并减少了RWG,在中期具有类似的安全性和GERD结果.
- 对于RWG风险较高的患者来说,Ra-SG可能是一个可行的选择,但食物耐受性降低是一个考虑因素.
- 需要进一步的多中心研究和更长的随访时间来证实这些发现.
相关概念视频
Clinical Trials
10.2K
Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...
There are four phases in a clinical trial. A phase one...
10.2K
Clinical Trials: Overview
4.6K
Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
4.6K
Trial and Error and Algorithm
398
A problem-solving strategy is a plan of action used to find a solution. Different strategies have distinct action plans. Trial and error involves trying different solutions until one works. For instance, to fix a broken printer, you might check ink levels, ensure the paper tray isn't jammed, and verify the printer's connection to your laptop. This method can be time-consuming but is commonly used. Thomas Edison, for example, used trial and error to find a suitable filament for the light...
398
Random Error
9.0K
Random or indeterminate errors originate from various uncontrollable variables, such as variations in environmental conditions, instrument imperfections, or the inherent variability of the phenomena being measured. Usually, these errors cannot be predicted, estimated, or characterized because their direction and magnitude often vary in magnitude and direction even during consecutive measurements. As a result, they are difficult to eliminate. However, the aggregate effect of these errors can be...
9.0K
Random Variables
17.4K
A random variable is a single numerical value that indicates the outcome of a procedure. The concept of random variables is fundamental to the probability theory and was introduced by a Russian mathematician, Pafnuty Chebyshev, in the mid-nineteenth century.
Uppercase letters such as X or Y denote a random variable. Lowercase letters like x or y denote the value of a random variable. If X is a random variable, then X is written in words, and x is given as a number.
For example, let X = the...
Uppercase letters such as X or Y denote a random variable. Lowercase letters like x or y denote the value of a random variable. If X is a random variable, then X is written in words, and x is given as a number.
For example, let X = the...
17.4K
Randomized Experiments
8.9K
The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...
Simple randomization
Simple...
8.9K

