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Clinical significance of human papilloma virus infection in the cervical lesions
Shuang LI, Yu-Han MENG, Hu TING, Jian SHEN, Ding MA
《医学前沿(英文)》 2010年 第4卷 第3期 页码 264-270 doi: 10.1007/s11684-010-0094-6
关键词: cervical lesion high risk-human papilloma virus persistent infection loading dose cervical intraepithelial neoplasia cervical cancer
Low-dose CT for lung cancer screening: opportunities and challenges
null
《医学前沿(英文)》 2018年 第12卷 第1期 页码 116-121 doi: 10.1007/s11684-017-0600-1
Lung cancer is among the most frequently diagnosed cancers worldwide and the leading cause of cancer death in both males and females. Screening for lung cancer coupled with earlier intervention has long been studied as an approach to mortality reduction. However, minimal progress was achieved until recently, when low-dose spiral computed tomography (LDCT) screening demonstrated a 20% reduction in mortality from lung cancer in a randomized controlled trial (RCT), the National Lung Screening Trial, from the United States. On the basis of this finding, LDCT has been recommended for lung cancer screening in high-risk populations by several clinical guidelines. However, results from the following independent RCTs in Europe failed to show consistent conclusions. In addition, intractable problems gradually emerged with the progress of LDCT screening. This paper summarizes and discusses the main observations and challenges of LDCT screening for lung cancer. Before spreading implementation of LDCT screening, challenges, including high false-positive rates, overdiagnosis, enormous costs, and radiation risk, must be addressed. Complementary biomarkers and technical improvement are expected in the field of lung cancer screening in the near future.
关键词: lung cancer low-dose computerized tomography early detection opportunities challenges
null
《医学前沿(英文)》 2012年 第6卷 第3期 页码 288-295 doi: 10.1007/s11684-012-0208-4
Tramadol is a potent analgesic. However, the analgesia efficacy of tramadol, particularly its minimum effective dose (MED), is not clear. The aim of this study is to find MED of tramadol for postoperative analgesia in infants. The continual reassessment method (CRM) was performed to find MED. Infants undergoing surgeries were included in the 3 phases of this series. In each phase, 24 participants were allocated a different tramadol dose. Pain intensity was measured by face, legs, activity, cry, consolability (FLACC) measurement at 3-hour intervals. Tramadol was considered ineffective if the FLACC score was higher than 4 in 10 at anytime. In phase 1, seven dose levels were used within the range 0.1–0.4 mg?kg-1·h-1. Phase 1 was insufficient to identify the MED, and we increased the dose to 0.4–0.8 mg?kg-1·h-1 in phase 2. Phase 2 was insufficient to identify the MED. In phase 3, local anesthetic wound infiltration was introduced, and the tramadol dose levels tested were the same as in phase 1. The successful analgesia probability of tramadol 0.4 mg?kg-1?h-1 was 82.1% (95% CI, 0.742–0.925) in phase 1. In phase 2, it was 84.7% (95% CI, 0.789–0.991) with the dose 0.8 mg?kg-1?h-1. Phase 1 and phase 2 were insufficient to identify the MED. In phase 3, the successful analgesia probability for dose 0.35 mg?kg-1?h-1was 96.7% (95% CI, 0.853–0.997).We have demonstrated that tramadol provides insufficient analgesia for surgeries considered to cause moderate-to-severe postoperative pain in infants if used as the sole analgesic, and that local anesthetic wound infiltration enhances the efficacy of tramadol.
关键词: tramadol minimum effective dose postoperative analgesia infants continual reassessment method
《环境科学与工程前沿(英文)》 2023年 第17卷 第11期 doi: 10.1007/s11783-023-1733-x
关键词: Bioaugmentation Low-dose persulfate oxidation Polycyclic aromatic hydrocarbon Remediation
Mohammad Reza AZADI KAKAVAND, Ertugrul TACIROGLU
《结构与土木工程前沿(英文)》 2020年 第14卷 第6期 页码 1531-1544 doi: 10.1007/s11709-020-0675-7
关键词: damage plasticity model plain concrete cyclic loading multiaxial loading conditions
Early assessment of the safety and immunogenicity of a third dose (booster) of COVID-19 immunization
《医学前沿(英文)》 2022年 第16卷 第1期 页码 93-101 doi: 10.1007/s11684-021-0914-x
关键词: COVID-19 SARS-CoV-2 vaccine immunization booster immunization
null
《医学前沿(英文)》 2013年 第7卷 第4期 页码 506-509 doi: 10.1007/s11684-013-0294-y
This study aimed to investigate patient dose in diagnostic screen-film radiographic examinations in the city of Lhasa, China. Seven out of the twenty-six hospitals registered with the Lhasa Health Bureau were included in the investigation. The entrance surface air Kerma (ESAK) of seven conventional screen-film radiology X-ray equipment in these hospitals was measured with a QA dosimeter in September 2012. The X-ray examinations were divided into three categories: PA (posterior-anterior) chest, upper/lower limb, and AP (anterior-posterior) lumbar spine. For each category, ESAKs were calculated and analyzed. The mean ESAK was 0.6 mGy for PA chest, 0.3 mGy for upper/lower limb, and 1.8 mGy for AP lumbar spine. In addition, the mean ESAK value recorded for PA chest X-ray examinations exceeded the corresponding value recommended by the International Atomic Energy Agency (0.4 mGy).
关键词: radiation dosage radiology radiation protection radiography/statistics & numerical data
Zhiqiang Chen, Lizhi Zhao, Ye Ji, Qinxue Wen, Long Huang
《环境科学与工程前沿(英文)》 2019年 第13卷 第4期 doi: 10.1007/s11783-019-1135-2
Effect of nitrogen on mixed culture PHA production was reconsidered. Enrichment history of PHA accumulating culture was discussed. Higher PHA content and biomass growth were achieved in presence of nitrogen. Enrichment strategy toward higher PHA accumulation was investigated. Microbial community succession in PHA accumulation phase was investigated.
关键词: Polyhydroxyalkanoate (PHA) Organic loading rate Nitrogen content Biomass growth Enrichment history
Effect of loading rate on shear strength parameters of mechanically and biologically treated waste
《环境科学与工程前沿(英文)》 2022年 第16卷 第12期 doi: 10.1007/s11783-022-1595-7
● Mechanical behavior of MBT waste affected by loading rate was investigated.
关键词: Mechanically and biologically treated waste Landfill Triaxial test Loading rate Axial strain Shear strength parameter
Effect of chemical dose on phosphorus removal and membrane fouling control in a UCT-MBR
Guangrong Sun, Chuanyi Zhang, Wei Li, Limei Yuan, Shilong He, Liping Wang
《环境科学与工程前沿(英文)》 2019年 第13卷 第1期 doi: 10.1007/s11783-019-1085-8
关键词: University of Cape Town Bioreactor (UCT-MBR) enhanced nutrients removal aluminum sulfate sludge activity membrane fouling
《医学前沿(英文)》 2023年 第17卷 第2期 页码 231-239 doi: 10.1007/s11684-022-0939-9
关键词: neoadjuvant radiotherapy oligometastatic prostate cancer radical prostatectomy
Cancer and the environment: Filling knowledge gaps together
Linda S. BIRNBAUM PhD, DABT, ATS,
《医学前沿(英文)》 2010年 第4卷 第2期 页码 131-133 doi: 10.1007/s11684-010-0044-3
关键词: environment genes environmental exposure environmental agent persistence chemicals inert ingredients low dose
Axisymmetric loading on nanoscale multilayered media
《结构与土木工程前沿(英文)》 2023年 第17卷 第1期 页码 152-164 doi: 10.1007/s11709-022-0895-0
关键词: functionally graded layer Gurtin–Murdoch surface elasticity multilayered medium size dependency stiffness matrix
Data-driven approach to solve vertical drain under time-dependent loading
《结构与土木工程前沿(英文)》 2021年 第15卷 第3期 页码 696-711 doi: 10.1007/s11709-021-0727-7
关键词: vertical drain artificial neural network time-dependent loading deep learning network genetic algorithm particle swarm optimization
Comparison and harmonization of building wind loading codes among the Asia-Pacific Economies
Yaojun GE, Shuyang CAO, Xinyang JIN
《结构与土木工程前沿(英文)》 2013年 第7卷 第4期 页码 402-410 doi: 10.1007/s11709-013-0230-x
关键词: wind loading codification velocity pressure exposure factor pressure coefficient gust response factor
标题 作者 时间 类型 操作
Clinical significance of human papilloma virus infection in the cervical lesions
Shuang LI, Yu-Han MENG, Hu TING, Jian SHEN, Ding MA
期刊论文
Estimation of the minimum effective dose of tramadol for postoperative analgesia in infants using the
null
期刊论文
Comparison of exogenous degrader-enhanced bioremediation with low-dose persulfate oxidation for polycyclic
期刊论文
enhanced damage plasticity model for predicting the cyclic behavior of plain concrete under multiaxial loading
Mohammad Reza AZADI KAKAVAND, Ertugrul TACIROGLU
期刊论文
Early assessment of the safety and immunogenicity of a third dose (booster) of COVID-19 immunization
期刊论文
An investigation on patient dose in screen-film diagnostic radiology in Lhasa City, Xizang Autonomous
null
期刊论文
Reconsideration on the effect of nitrogen on mixed culture polyhydroxyalkanoate production toward high organic loading
Zhiqiang Chen, Lizhi Zhao, Ye Ji, Qinxue Wen, Long Huang
期刊论文
Effect of loading rate on shear strength parameters of mechanically and biologically treated waste
期刊论文
Effect of chemical dose on phosphorus removal and membrane fouling control in a UCT-MBR
Guangrong Sun, Chuanyi Zhang, Wei Li, Limei Yuan, Shilong He, Liping Wang
期刊论文
radiohormonal therapy for oligo-metastatic prostate cancer: safety and efficacy outcomes from an open-label, dose-escalation
期刊论文