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Enhanced thermoelectric performance enabled by compositing ZrO_(2)in n-type SiGe alloy with low thermal conductivity

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Rare Metals 2024年第3期43卷 1167-1176页

作者： Meng-Fei Wang hua-Jun Lai ji-sheng Liang Jun-Liang Chen Wang-Yang Ding Qi Zhou ying Peng Cheng-Yan Liu lei Miao Guangxi Key Laboratory for Relativity Astrophysics State Key Laboratory of Featured Metal Materials and Life-Cycle Safety for Composite StructuresSchool of Physical Science and TechnologyGuangxi UniversityNanning530004China Guangxi Academy of Sciences Nanning530007China Key Laboratory of Information Material Engineering Research Center of Electronic Information Materials and DevicesGuilin University of Electronic TechnologyMinistry of EducationGuilin541004China Guangxi Key Laboratory of Precision Navigation Technology and Application School of Information and CommunicationGuilin University of Electronic TechnologyGuilin541004China

SiGe-based thermoelectric(TE)materials have gained increasing interests due to their low maintenance costs,environmental friendliness and long ***,the intrinsically high thermal conductivity of Si-based materials also results in poor TE *** this investigation,a zirconia(ZrO_(2))composite strategy was applied to an n-type SiGe alloy,tremendously elevating its TE *** mechanical alloying and spark plasma sintering(SPS)processes,the ZrO_(2)induced the formation of nanopores in the SiGe matrix via phosphorus ***,such increase in porosity enhanced the phonon scattering and dramatically suppressed lattice thermal conductivity,from 2.83 to 1.59 W·m^(-1)·K^(-1)at 873 ***,reduced phosphorus doping led to an increase in Seebeck coefficients and a relatively minor decrease in electrical conductivity,The power factor didn't deteriorate significantly,either,as its maximum of~3.43 mW·m^(-1-)K^(-2)was achieved at 873 K with(Si_(0.8)Ge_(0.2))_(0.097)P_(0.03)(ZrO_(2))_(0.003).In short,a peak figure of merit(ZT)of~1.27 at 873 K and an average ZT~0.7 from 323 to 873 K were *** study demonstrates that the electrical and thermal transportation of SiGe material can be synergistically tuned by compositing ZrO_(2),illustrating a novel strategy to optimize the TE properties of bulk materials.

关键词： Thermoelectric SiGe alloy ZrO2 composting P element adsorption nanopores

Real-world effectiveness of early insulin therapy on the incidence of cardiovascular events in newly diagnosed type 2 diabetes

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Signal Transduction and Targeted Therapy 2024年第7期9卷 2953-2959页

作者： Sihui luo Xueying Zheng Wei Bao sheng Nie Yu Ding Tong Yue Yilun Zhou ying Hu hua Li Qiongqiong Yang Qijun Wan Bicheng Liu Hong Xu Guisen Li Gang Xu Chunbo Chen huafeng Liu Yongjun Shi Yan Zha Yaozhong Kong Guobin Su ying Tang Mengchun Gong Linong ji Fan Fan Hou jianping Weng Department of Endocrinology First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHeifeiChina Institute of Public Health Sciences Division of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiChina Division of Nephrology National Clinical Research Center for Kidney DiseaseState Key Laboratory of Organ Failure ResearchNanfang HospitalSouthern Medical UniversityGuangzhouChina Department of Nephrology Beijing Tiantan HospitalCapital Medical UniversityBeijingChina The Second Affiliated Hospital of Zhejiang University School of Medicine HangzhouChina Sir Run Run Shaw Hospital Zhejiang University School of MedicineHangzhouChina Department of Nephrology Sun Yat-Sen Memorial HospitalSun Yat-Sen UniversityGuangzhouChina The Second People’s Hospital of Shenzhen Shenzhen UniversityShenzhenChina Institute of Nephrology Zhongda HospitalSoutheast University School of MedicineNanjingChina Children’s Hospital of Fudan University ShanghaiChina Renal Department and Institute of Nephrology Sichuan Provincial People’s HospitalSchool of MedicineUniversity of Electronic Science and Technology of ChinaSichuan Clinical Research Center for Kidney DiseasesChengduChina Division of Nephrology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina Department of Critical Care Medicine Maoming People’s HospitalMaomingChina Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang City Institute of NephrologyAffiliated Hospital of Guangdong Medical UniversityZhanjiangChina Huizhou Central People’s Hospital Sun Yat-Sen UniversityHuizhouChina Guizhou Provincial People’s Hospital Guizhou UniversityGuiyangChina Department of Nephrology the First People’s Hospital of FoshanFoshanChina Department of Nephrology Guangdong Provincial Hospital of Chinese Medicinethe Second Affiliated Hospitalthe Second Clinical CollegeGuangzhou University of Chinese Medicin

Early insulin therapy is capable to achieve glycemic control and restoreβ-cell function in newly diagnosed type 2 diabetes(T2D),but its effect on cardiovascular outcomes in these patients remains *** this nationwide real-world study,we analyzed electronic health record data from 19 medical centers across China between 1 January 2000,and 26 May *** included 5424 eligible patients(mean age 56 years,2176 women/3248 men)who were diagnosed T2D within six months and did not have prior cardiovascular *** Cox regression models were used to estimate the associations of early insulin therapy(defined as the first-line therapy for at least two weeks in newly diagnosed T2D patients)with the incidence of major cardiovascular events including coronary heart disease(CHD),stroke,and hospitalization for heart failure(HF).During 17,158 persons years of observation,we documented 834 incident CHD cases,719 stroke cases,and 230 hospitalized cases for *** diagnosed T2D patients who received early insulin therapy,compared with those who did not receive such treatment,had 31%lower risk of incident stroke,and 28%lower risk of hospitalization for *** significant difference in the risk of CHD was *** found similar results when repeating the aforesaid analysis in a propensity-score matched population of 4578 patients and with inverse probability of treatment weighting *** findings suggest that early insulin therapy in newly diagnosed T2D may have cardiovascular benefits by reducing the risk of incident stroke and hospitalization for HF.

关键词： cardiovascular treatment nationwide

2023:A year of accomplishments for the 13 Science Citation Index Expanded-and Emerging Sources Citation Index-indexed Baishideng journals

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World Journal of Gastroenterology 2024年第1期30卷 9-16页

作者： jin-lei Wang jia-Ping Yan jia-Ru Fan Xiang Li Xu Guo jia-Wei Li Yun-Xiaojian Wu jing-jie Wang Yu-Lu Chen Li Li Cong Lin Xin-Liang Qu ji-Hong Liu Yan-Liang Zhang ying-Yi Yuan hua-Ge Yu Yu-Xi Chen Yi-Xuan Cai Xiang-Di Zhang Si Zhao Zi-Hang Xu Li Ma Na Ma Diao-mei Guo Lian-sheng Ma Baishideng Publishing Group Inc PleasantonCA 94566United States

In 2023,Baishideng Publishing Group(Baishideng)routinely published 47 openaccess journals,including 46 English-language journals and 1 Chinese-language *** successes were accomplished through the collective dedicated efforts of Baishideng staffs,Editorial Board Members,and Peer *** these 47 Baishideng journals,7 are included in the Science Citation Index Expanded(SCIE)and 6 in the Emerging Sources Citation Index(ESCI).With the support of Baishideng authors,company staffs,Editorial Board Members,and Peer Reviewers,the publication work of 2023 is about to be successfully *** editorial summarizes the 2023 activities and accomplishments of the 13 SCIEand ESCI-indexed Baishideng journals,outlines the Baishideng publishing policy changes and additions made this year,and highlights the unique advantages of Baishideng journals.

关键词： Baishideng Publishing Group Journal Impact Factor Open access Policy changes Policy additions Unique advantages Anxiety disorders Colorectal cancer Inflammatory bowel disease Hepatocellular carcinoma Gut microbes Atrial fibrillation

The Chinese Society of Clinical Oncology (CSCO): Clinical guidelines for the diagnosis and treatment of gastric cancer, 2023

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Cancer Communications 2024年第1期44卷 127-172页

作者： Feng-hua Wang Xiao-Tian Zhang lei Tang Qi Wu Mu-Yan Cai Yuan-Fang Li Xiu-Juan Qu Hong Qiu Yu-jing Zhang jie-Er ying Jun Zhang Ling-Yu Sun Rong-Bo Lin Chang Wang Hao Liu Miao-Zhen Qiu Wen-Long Guan sheng-Xiang Rao jia-Fu ji Yan Xin Wei-Qi sheng Hui-Mian Xu Zhi-Wei Zhou Ai-Ping Zhou jing jin Xiang-Lin Yuan Feng Bi Tian-Shu Liu Han Liang Yan-Qiao Zhang Guo-Xin Li Jun Liang Bao-Rui Liu Lin Shen jin Li Rui-hua Xu Department of Medical Oncology Sun Yat-sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouGuangdongP.R.China Department of Gastrointestinal Oncology Key Laboratory of Carcinogenesis and Translational Research(Ministry of Education)Peking University Cancer HospitalBeijingP.R.China Department of Radiology Peking University Cancer HospitalBeijingP.R.China Department of Endoscopy Center Peking University Cancer HospitalBeijingP.R.China Department of Pathology Sun Yat-sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center of Cancer MedicineGuangzhouGuangdongP.R.China Department of Gastric Surgery Sun Yat-sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouGuangdongP.R.China Department of Medical Oncology The First Hospital of China Medical UniversityShenyangLiaoningP.R.China Department of Medical Oncology Tongji Hospital Affiliated to Tongji Medical College of Huazhong University of Science and TechnologyWuhanHubeiP.R.China Department of Radiotherapy Sun Yat-sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouGuangdongP.R.China Department of Medical Oncology Zhejiang Cancer HospitalHangzhouZhejiangP.R.China Department of Medical Oncology Ruijin HospitalShanghai Jiaotong University School of MedicineShanghaiP.R.China Department of Surgical Oncology The Fourth Affiliated Hospital of Harbin Medical UniversityHarbinHeilongjiangP.R.China Department of Medical Oncology Fujian Cancer HospitalFuzhouFujianP.R.China Tumor Center The First Hospital of Jilin UniversityChangchunJilinP.R.China Department of General Surgery Nanfang HospitalSouthern Medical UniversityGuangzhouGuangdongP.R.China Department of Radiology Zhongshan HospitalFudan UniversityShanghaiP.R.China Department of

The 2023 update of the Chinese Society of Clinical Oncology(CSCO)Clini-cal Guidelines for Gastric Cancer focuses on standardizing cancer diagnosis and treatment in China,reflecting the latest advancements in evidence-based medicine,healthcare resource availability,and precision *** updates address the differences in epidemiological characteristics,clinicopatho-logical features,tumor biology,treatment patterns,and drug selections between Eastern and Western gastric cancer *** revisions include a structured template for imaging diagnosis reports,updated standards for molecular marker testing in pathological diagnosis,and an elevated recommendation for neoadju-vant chemotherapy in stage III gastric *** advanced metastatic gastric cancer,the guidelines introduce new recommendations for immunotherapy,anti-angiogenic therapy and targeted drugs,along with updated management strategies for human epidermal growth factor receptor 2(HER2)-positive and deficient DNA mismatch repair(dMMR)/microsatellite instability-high(MSI-H)***,the guidelines offer detailed screening recommendations for hereditary gastric cancer and an appendix listing drug treatment regimens for various stages of gastric *** 2023 CSCO Clinical Guidelines for Gastric Cancer updates are based on both Chinese and international clinical research and expert consensus to enhance their applicability and relevance in clinical practice,particularly in the heterogeneous healthcare landscape of China,while maintaining a commitment to scientific rigor,impartiality,and timely revisions.

关键词： Chinese Society of Clinical Oncology(CSCO) gastric cancer diagnosis surgery neoadjuvant adjuvant radiotherapy chemotherapy targeted therapy immunotherapy

Quantum Squeezing Effects of a Non-dissipative Mesoscopic Circuit with Coupled Inductors and Capacitors

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Chinese Physics Letters 2001年第2期18卷 163-165页

作者： lei min-sheng ji ying-hua XIE Fang-Sen Department of Physics Jiangxi Normal UniversityNanchang 330027

The quantum fluctuations of the charge and current in a non-dissipative mesoscopic circuit with coupled inductors and capacitors are studied for the squeezed vacuum *** influence of the phase angle upon the quantum fluctuations is discussed in *** results indicate that when the circuit parameters remain constant and the phasesθof the two circuits are equal,the squeezing of the charge or its conjugate variable *** the difference of the two phases equalsπ,the squeezing will ***,if we want to decrease the quantum noise,we should not only control the amplitude r,but also control the phaseθcarefully.

关键词： state dissipative quantum

Searching for^(76)Ge neutrinoless double beta decay with the CDEX-1B experiment

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Chinese Physics C 2024年第10期48卷 11-22页

作者： Bing-Tao Zhang Jun-Zheng Wang Li-Tao Yang Qian Yue Ke-Jun Kang Yuan-jing Li hai-Peng An C.Greeshma jian-Ping Chang Yun-huan Chen jian-Ping Cheng Wen-Han Dai Zhi Deng Chang-Hao Fang Xin-Ping Geng Hui Gong Qiu-Ju Guo Xu-Yuan Guo Li He sheng-ming He jin-Wei Hu Han-Xiong huang Tu-Chen huang hai-Tao jia Xi jiang S.Karmakar Hao-Bin Li jian-min Li jin Li Qian-Yun Li Ren-ming-jie Li Xue-Qian Li Yu-Lan Li Yi-Fan Liang Bin Liao Fong-Kay Lin Shin-Ted Lin jia-Xuan Liu Shu-Kui Liu Yan-Dong Liu Yu Liu Yuan-Yuan Liu Zhong-Zhi Liu Hao Ma Yu-Cai Mao Qi-Yuan Nie jin-hua Ning Hui Pan Ning-Chun Qi jie Ren Xi-Chao Ruan Ze She Manoj Kumar Singh Tian-Xi Sun Chang-jian Tang Wei-You Tang Yang Tian Guang-Fu Wang Li Wang Qing Wang Yu-Feng Wang Yun-Xiang Wang Henry-Tsz-King Wong Shi-Yong Wu Yu-Cheng Wu Hao-Yang Xing Rui Xu Yin Xu Tao Xue Yu-Lu Yan Nan Yi Chun-Xu Yu hai-Jun Yu jian-Feng Yue ming Zeng Zhi Zeng Feng-Shou Zhang lei Zhang Zhen-hua Zhang Zhen-Yu Zhang Kang-Kang Zhao ming-Gang Zhao ji-Fang Zhou Zu-ying Zhou jing-Jun Zhou Key Laboratory of Particle and Radiation Imaging(ministry of Education)and Department of Engineering Physics Tsinghua UniversityBeijing 100084 Department of Physics Tsinghua UniversityBeijing 100084 Institute of Physics Academia SinicaTaipei 11529 NUCTECH Company Beijing 100084 YaLong River Hydropower Development Company Chengdu 610051 College of Nuclear Science and Technology Beijing Normal UniversityBeijing 100875 College of Physics Sichuan UniversityChengdu 610065 School of Physics Peking UniversityBeijing 100871 Department of Nuclear Physics China Institute of Atomic EnergyBeijing 102413 Sino-French Institute of Nuclear and Technology Sun Yat-sen UniversityZhuhai 519082 School of Physics Nankai UniversityTianjin 300071 Department of Physics Banaras Hindu UniversityVaranasi 221005 Department of Physics Beijing Normal UniversityBeijing 100875

We operated a p-type point contact high purity germanium(PPCGe)detector(CDEX-1B,1.008 kg)in the China jinping Underground Laboratory(CJPL)for 500.3 days to search for neutrinoless double beta(0νββ)decay of^(76)Ge.A total of 504.3 kg⋅day effective exposure data was *** anti-coincidence and the multi/single-site event(MSE/SSE)discrimination methods were used to suppress the background in the energy region of interest(ROI,1989–2089 keV for this work)with a factor of 23.A background level of 0.33 counts/(keV⋅kg⋅yr)was *** lower limit on the half life of^(76)Ge 0νββdecay was constrained as T_(1/2)^(0ν)>1.0×10^(23)yr(90%C.L.),corresponding to the upper limits on the effective Majorana neutrino mass:<3.2–7.5 eV.

关键词： neutrinoless double beta decay CDEX point-contact germanium detector ^(76)Ge

The In-Flight Realtime Trigger and Localization Software of GECAM

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Research in Astronomy and Astrophysics 2024年第10期24卷 11-24页

作者： Xiao-Yun Zhao Shao-Lin Xiong Xiang-Yang Wen Xin-Qiao Li Ce Cai Shuo Xiao Qi luo Wen-Xi Peng Dong-Ya Guo Zheng-hua An Ke Gong jin-Yuan Liao Yan-Qiu Zhang Yue huang Lu Li Xing Wen Fei Zhang jing Duan Chen-Wei Wang Dong-Li Shi Peng Zhang Qi-Bin Yi Chao-Yang Li Yan-Bing Xu Xiao-hua Liang Ya-Qing Liu Da-Li Zhang Xi-lei Sun Fan Zhang Gang Chen huan-Yu Wang sheng Yang Xiao-jing Liu min Gao Mao-Shun Li jin-Zhou Wang Xing Zhou Yi Zhao Wang-Chen Xue Chao Zheng jia-Cong Liu Xing-Bo Han jin-Ling Qi jia huang Ke-Ke Zhang Can Chen Xiong-Tao Yang Dong-jie Hou Yu-Sa Wang Rui Qiao Xiang Ma Xiao-Bo Li Ping Wang Xin-ying Song Li-ming Song Shi-jie Zheng Bing Li Hong-mei Zhang Yue Zhu Wei Chen jian-jian He Zhen Zhang jin Hou Hong-Jun Wang Yan-Chao Hao Xiang-Yu Wang Zong-Yuan Yang Zhi-Long Wen Zhi Chang Yuan-Yuan Du Rui Gao Xiao-Fei Lan Yan-Guo Li Gang Li Xu-Fang Li Fang-Jun Lu Hong Lu Bin Meng Feng Shi Hui Wang Hui-Zhen Wang Yu-Peng Xu jia-Wei Yang Xue-Juan Yang Shuang-Nan Zhang Chao-Yue Zhang Cheng-Mo Zhang Zhi-Cheng Tang Cheng Cheng Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Chinese Academy of SciencesBeijing 100049China School of Information Science and Technology Southwest Jiaotong UniversityChengdu 611756China Key Laboratory of Stellar and Interstellar Physics and Department of Physics Xiangtan UniversityXiangtan 411105China Physics and Space Science College China West Normal UniversityNanchong 637002China Department of Astronomy Beijing Normal UniversityBeijing 100875China Innovation Academy for Microsatellites of CAS Shanghai 201203China Changchun University of Science and Technology Changchun 130022China Chinese Academy of Sciences South America Center for Astronomy National Astronomical ObservatoriesCASBeijing 100101China

Realtime trigger and localization of bursts are the key functions of GECAM,an all-sky gamma-ray monitor launched on 2020 December *** developed a multifunctional trigger and localization software operating in the CPU of the GECAM Electronic *** onboard software has the following features:high trigger efficiency for real celestial bursts with a suppression of false triggers caused by charged particle bursts and background fluctuation,dedicated localization algorithm optimized for both short and long bursts,and low time latency of the trigger information which is downlinked through the Global Short Message Communication service of the global BeiDou navigation *** paper provides a detailed description of the design and development of the trigger and localization software system for *** covers the general design,workflow,the main functions,and the algorithms used in the *** paper also includes on-ground trigger tests using simulated gamma-ray bursts generated by a dedicated X-ray tube,as well as an overview of the performance for real celestial bursts during its in-orbit operation.

关键词： telescopes instrumentation:detectors methods:observational

BENCHIP： Benchmarking Intelligence Processors

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Journal of Computer Science & Technology 2018年第1期33卷 1-23页

作者： jin-hua Tao Zi-Dong Du Qi Guo Hui-ying Lan lei Zhang sheng-Yuan Zhou Ling-jie Xu Cong Liu hai-Feng Liu Shah Tang Allen Rush Willian Chen Shao-Li Liu Yun-ji Chen Tian-Shi Chen State Key Laboratory of Computer Architecture Institute of Computing Technology Chinese Academy of Sciences Beijing 100190 China School of Computer and Control Engineering University of Chinese Academy of Sciences Beijing 100049 China Intelligent Processor Research Center Institute of Computing Technology Chinese Academy of Sciences Beijing 100190 China Cambricon Ltd. Beijing 100190 China A libaba Infrastructure Service A libaba Group Hangzhou 311121 China Iflytek Co. Ltd. Hefei 230088 China Beijing jingdong Century Trading Co. Ltd. Beijing 100176 China RDA Microdectronics Inc. Shanghai 201203 China Advanced Micro Devices Inc. Sunnyvale CA 94085 U.S.A.

The increasing attention on deep learning has tremendously spurred the design of intelligence processing hardware. The variety of emerging intelligence processors requires standard benchmarks for fair comparison and system optimization （in both software and hardware）. However, existing benchmarks are unsuitable for benchmarking intelligence processors due to their non-diversity and nonrepresentativeness. Also, the lack of a standard benchmarking methodology further exacerbates this problem. In this paper, we propose BENCHIP, a benchmark suite and benchmarking methodology for intelligence processors. The benchmark suite in BENCHIP consists of two sets of benchmarks： microbenchmarks and macrobenchmarks. The microbenchmarks consist of single-layer networks, They are mainly designed for bottleneck analysis and system optimization. The macrobenchmarks contain state-of-the-art industrial networks, so as to offer a realistic comparison of different platforms. We also propose a standard benchmarking methodology built upon an industrial software stack and evaluation metrics that comprehensively reflect various characteristics of the evaluated intelligence processors, BENCHIP is utilized for evaluating various hardware platforms, including CPUs, GPUs, and accelerators. BENCHIP will be open-sourced soon.

关键词： deep learning intelligence processor benchmark

Early Kinetics of Procalcitonin in Predicting Surgical Outcomes in Type A Aortic Dissection Patients

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Chinese Medical Journal 2017年第10期130卷 1175-1181页

作者： hua Liu Zhe luo Lan Liu Xiao-mei Yang Ya-min Zhuang ying Zhang Guo-Wei Tu Guo-Guang Ma Guang-Wei Hao jian-Feng luo ji-Li Zheng Chun-sheng Wang Department of Intensive Care Medicine Zhongshan Hospital Fudan University Shanghai 200032 China Department of Biostatistics School of Public Health Fudan University Shanghai 200032 China Department of Cardiac Surgery Zhongshan Hospital Fudan University Shanghai 200032 China

Background： In cardiac surgery, elevation of procalcitonin （PCT） could be observed postoperatively in the absence of any evidence of infection and also seems to be a prognostic marker. PCT levels measured in patients undergoing Type A aortic dissection （TAAD） were used to determine prognostic values for complications and surgical outcomes. Methods： Measurements of PCT, C-reactive protein （CRP）, and leukocyte count were observed in TAAD surgery patients （n = 251 ; average age： 49.02 ± 12.83 years; 78.5% male） at presurgery （TO） and 24 h （T1）, 48 h （T2）, and 7 days （T3） postsurgery. PCT clearance （PCTc） oll days 2 and 7 was calculated：（PCTd - PCTd,±,, d,,v）/PCTdx 100%. Endotracheal intubation duration, length of stay （LOS） in the Intensive Care Unit （1CU）/hospital, and complications were recorded± Results： PCT peaked 24 h postsurgery （median 2.73 ng/ml） before decreasing, Correlation existed between PCT levels at T1 and duration of cardiopulmonary bypass （P = 0.001, r = 0.278）. Serum PCT concentrations were significantly higher in nonsurvivor and multiple organ dysfunction syndrome groups on all postoperative days. PCT levels at T1 correlated with length of time of ventilation support and ICU/hospital LOS. Comparing PCT values of survivors versus nonsurvivors, a PCT cutoff level of 5.86 ng/ml at T2 had high sensitivity （70.6%） and specificity （74.3%） in predicting in-hospital death. PCTc-day 2 and 7 were significantly higher in survivor compared with nonsurvivor patients （38% vs. 8%, P = 0.012, 83% vs. -39%, P 〈 0.001）. A PCTc-day 7 cutoff point of 48.7% predicted survival with high sensitivity （77.8%） and specificity （81.8%）. Conclusions： PCT level and PCTc after TAAD surgery might serve as early prognostic markers to predict postoperative outcome. PCT measurement may help identify high-risk patients.

关键词： Perioperative Period Procalcitonin: Sensitivity Specificity Type A Aortic Dissection