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find Author "ZHANG Xueqin" 5 results
  • The current situation and trends of development of evidence-based medicine database

    Evidence-based medicine database is a type of digital resource, which is based on principles of evidence-based medicine. It collects clinical evidence as a major content to serve clinical decision-making. This paper focused on various types of evidence-based databases, such as clinical practice guidelines, systematic reviews, and clinical trials. After collecting some representative databases, it analyzed and compared their contents, functions and characteristics, in attempt to enhance understanding of the current situation and trends of development of evidence-based medicine databases.

    Release date:2021-07-22 06:18 Export PDF Favorites Scan
  • Evaluation on Features of Thoracic Vertebrae Rotation and Pedicle of Vertebral Arch Diameter Change with 16 Slice Spiral CT in Patients with Adolescent Idiopathic Scoliosis

    摘要:目的:探讨16层螺旋CT图像后处理技术对青少年特发性脊柱侧凸的胸椎旋转和椎弓根径线变化特点及临床价值。 方法:收集经临床诊治的青少年特发性脊柱侧凸20例,运用16层螺旋CT扫描及图像后处理技术,进行相关CT数据测量统计。结果:(1)脊柱胸椎侧凸的顶椎及邻近椎体均向凸侧旋转、后份向凹侧旋转,以顶椎旋转最重,且凹侧椎弓根径线小于凸侧,与侧凸程度及方向具有相关性。(2)上、下终椎椎体旋转及椎弓根径线变化则较复杂,其椎体无旋转或向相反方向旋转,椎弓根径线可凸侧小于凹侧,以上终椎明显。结论:16层螺旋CT及图像后处理技术,对显示青少年特发性脊柱侧凸胸椎旋转及椎弓根径线变化特征,可提供临床拟订手术方案的重要影像学依据。

    Release date:2016-09-08 10:00 Export PDF Favorites Scan
  • Protein-energy wasting of maintenance hemodialysis patients

    Protein-energy wasting is one of the common complications of maintenance hemodialysis patients. It often causes decreased immune function, increased anemia, and decreased heart, brain, lung and other organ functions, resulting in decreased quality of life, decreased long-term survival rate, and increased mortality. This article discusses the causes, diagnosis, evaluation methods, intervention and prevention of protein-energy wasting in maintenance hemodialysis patients, and aims to provide a theoretical basis for evaluating the nutritional status, early intervention for protein-energy wasting, and improving prognosis and quality of life of maintenance hemodialysis patients.

    Release date:2020-08-25 09:57 Export PDF Favorites Scan
  • Computer aided systematic review: research and application

    Systematic review is an important method to obtain clinical decision evidence. The traditional systematic review is primarily conducted manually, which cannot meet the needs of rapid decision-making due to its high time and labor force cost as well as low efficiency. However, the development of information technology has laid the foundation for computer-aided systematic review methods. Attempts have been made to replace or enhance manual operations by introducing computer technology in all aspects of systematic review, thereby improving efficiency. This paper integrates the methodological research and its application of computer-aided systematic review both domestically and abroad from perspectives of literature acquisition, data processing and evidence evaluation. The aim of this paper is to understand the status quo and future trend in this field, and to provide reference for further researches related to automated systematic review technology.

    Release date:2021-02-05 02:57 Export PDF Favorites Scan
  • Distribution of demographic sociological characteristics and co-morbidities among primiparous and multiparous pregnant women: a national cross-sectional study of 24 hospitals in 16 provinces

    ObjectiveTo understand the distribution of demographic sociological characteristics and co-morbidities among primiparous and multiparous pregnant women under the China's universal two-child policy, to provide baseline data for clinical high-risk management and medical resources allocation.MethodsWe included pregnant women from 24 hospitals in 16 provinces (municipality, autonomous region) of China and collected their demographic sociological characteristics and obstetrics information by questionnaires between September 19th, and November 20th, 2016. Then, we used descriptive analysis to present the distribution of demographic sociological characteristics and pregnancy co-morbidities among primiparous and multiparous women and compared differences between groups by t test or Chi-square test.ResultsAmong 12 403 investigated pregnant women, 8 268 (66.7%) were primiparous and 4 135 (33.3%) were multiparous, with highest proportion in East (931/2 008, 46.4%) and lowest in Northeast (385/2 179, 17.7%). Multiparous women, comparing to primiparous women, were more likely to be elderly than 35 years (accounting for 30.6% vs. 6.5%), lower educated with high school or below (29.7% vs. 16.9%), occupied in physical labor or unemployed (49.2% vs. 42.5%), non-local residents (12.7% vs. 10.5%), family annual income higher than 120 thousand yuan (41.3% vs. 33.3%), pre-pregnancy body mass index≥24 kg/m2 (13.6% vs. 9.9%), history of artificial abortions (44.9% vs. 24.0%), or pregnancies≥4 times (23.8% vs. 3.1%) and were less likely to receive assisted reproductive technology (2.3% vs. 4.7%). The most common co-morbidities were gynecology disease (5.5%), thyroid disease (5.4% in all women), blood system disease (5.0%), digestive system disease (4.2%) and hepatitis B infection (2.5%). Multiparous women, comparing to primiparous women, had higher proportions with blood system disease (5.7% vs. 4.7%), hepatitis B infection (3.1% vs. 2.2%) and chronic hypertension (0.6% vs. 0.2%), but lower proportions with thyroid diseases, polycystic ovary syndrome, and immune system diseases, whose distribution also showed regional differences.ConclusionThere existed distribution differences regarding demographic sociological characteristics and co-morbidities proportions between primiparous and multiparous women. Therefore, we should improve clinical risk management and medical resources allocation based on pregnant women’s baseline and gestational characteristics.

    Release date:2020-03-13 01:50 Export PDF Favorites Scan
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