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Neoarchean atmospheric chemistry and the preservation of S-MIF in sediments from the São Francisco Craton

Geoscience Frontiers 2022年第5期13卷 207-226页

作者： Alice Bosco-Santos William Patrick Gilhooly Ⅲ Paola de Melo-Silva Fotios Fouskas Amaury Bouyon joão gabriel motta Mauricio Rigoni Baldim Wendell Fabricio-Silva Pascal Philippot Elson Paiva oliveira Department of Geology and Natural Resources University of CampinasCampinasSP 13083855Brazil Department of Earth Sciences Indiana University-Purdue University IndianapolisIndianapolisINUSA Institut de Physique du Globe de Paris Universitéde ParisCNRS-UMR 715475005 Paris Cedex 05France Vizlab-X-Reality and GeoInformatics Lab UNISINOSSão LeopoldoRS 93022-750Brazil Geosciences Department Federal University of Mato GrossoCuiabáMTBrazil Geosciences Institute University of BrasiliaBrasíliaDistrito Federal 70910-900Brazil Institute of Geography and Geology University of Würzburg97074 WürzburgGermany Géosciences Montpellier Universitéde MontpellierCNRSUniversitédes AntillesMontpellierFrance Institute of Astronomy Geophysicsand Atmospheric SciencesUniversity of São PauloRua do Matão 1226São PauloBrazil

Sulfur mass-independent fractionation(S-MIF)preserved in Archean sedimentary pyrite is interpreted to reflect atmospheric *** ranges in Δ^(33)S that expanded into larger fractionations leading up to the Great oxygenation Event(GoE;2.45–2.2 Ga)are disproportionately represented by sequences from the Kaapvaal and Pilbara *** patterns of S-MIF attenuation and enhancement may differ from the timing and magnitude of minor sulfur isotope fractionations reported from other cratons,thus obscuring local for global sulfur cycling *** expanding the Δ^(33)S record to include the relatively underrepresented São Francisco Craton in Brazil,we suggest that marine biogeochemistry affected S-MIF preservation prior to the *** an early Neoarchean sequence(2763–2730 Ma)from the Rio das Velhas Greenstone Belt,we propose that low δ^(13)Corg(o-0.7‰)in banded iron formation reflect the marine diagenetic process of anaerobic methane *** overlying black shale(ToC up to 7.8%)with higher δ^(13)Corg(-33.4‰to-19.2‰)and expanded Δ^(33)S(2.3‰±0.8‰),recorded oxidative sulfur cycling that resulted in enhance preservation of S-MIF input from atmospheric sources of elemental *** sequence culminates in a metasandstone,where concomitant changes to more uniform δCorg(-30‰to--25‰),potentially associated with the RuBisCo I enzyme,and near-zero Δ^(33)S(-0.04‰to 0.38‰)is mainly interpreted as evidence for local oxygen *** placed in the context of other sequences worldwide,the Rio das Velhas helps differentiate the influences of global atmospheric chemistry and local marine diagenesis in Archean biogeochemical *** data suggest that prokaryotic sulfur,iron,and methane cycles might have an underestimated role in pre-GoE sulfur minor isotope records.

关键词： S-MIF preservation Archean atmospheric chemistry GoE São Francisco Craton

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Is magnesium deficiency the major cause of needle chlorosis of Pinus taeda in Brazil?

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journal of Forestry Research 2024年第2期35卷 209-221页

作者： Antônio Carlos Vargas motta Shizuo Maeda Valdécio dos Santos dos Santos Rodrigues Tamires Maiara Ercole Stephen Arthur Prior Ana Elisa Lyra Brumat Amanda Pacheco Cardoso Moura Julierme Zimmer Barbosa joão Bosco Vasconcellos Gomes Department of Soil Sciences and Agriculture Engineering Federal University of ParanáR.dos Funcionários1540.CuritibaParanáCEP 80035‑050Brazil Brazilian Agricultural Research Company Embrapa FlorestasEstr.da Ribeira–Br‑476Km 111–Parque Monte Castelo.ColomboParanáCEP 83411‑000Brazil United States Department of Agriculture‑Agricultural Research Service USDA-ARS National Soil Dynamics Laboratory411 South Donahue DriveAuburnAL 36832USA Reforestation Remasa Rodovia PR 170–Km 522.BiturunaParanáCEP 84640‑000Brazil Federal Institute of Southeast of Minas Gerais R.Luz Interior360.Juiz de ForaMinas Gerais CEP 36030‑713Brazil

Needle chlorosis(NC)in Pinus taeda *** in Brazil becomes more frequent after second and third harvest rotation *** a study to identify factors contributing to yellowing needle chorosis(YNC),trees were grown in soils originating from contrasting parent materials,and soils and needles(whole,green and chlorotic portions)from 1-and 2-year-old branches and the first and second needle flush release at four sites with YNC on *** were analyzed for various elements and *** soils had very low base levels(Ca^(2+),Mg^(2+)and K^(+))and P,suggesting a possible lack of multiple *** symptoms started at needle tips,then extended toward the needle base with *** flush needles had longer portions with YNC than second flush needles *** from the lower crown also had more symptoms along their length than those higher in the *** were similar to those reported for *** chlorotic portions,Mg and Ca concentrations were well below critical values;in particular,Mg levels were only one third of the critical value of 0.3 g kg^(-1).Collectively,results suggest that Mg deficiency is the primary reason for NC of *** in various parent soils in Brazil.

关键词： Nutritional deficiency Forest management Soil depletion Pine foliar analysis Needle chlorosis

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Clinical/Behavioral Monitoring of Rodents and Rabbits Undergoing Scientific Experiments

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open journal of Veterinary Medicine 2024年第5期14卷 91-109页

作者： Luiz Cesar Cavalcanti Pereira Jhônata Willy Rocha Coelho Hyago da Silva Medeiros Elidio Rita de Cássia dos Passos Ferraz Da Silva joão gabriel Regis Sobral Bárbara Alves de Brito Soledade Leandro Thomaz Vilela Isabele Barbieri Dos Santos Institute of Science and Technology in Biomodels (ICTB) Oswaldo Cruz Foundation (FIOCRUZ) Rio de Janeiro Brazil Laboratory Animal Facility of the Carlos Chagas Pavilion of the Animal Experimentation Center (CEA) Oswaldo Cruz Institute (IOC) Oswaldo Cruz Foundation (FIOCRUZ) Rio de Janeiro Brazil

Background: We currently have international and national guidelines regarding the assessment and monitoring of clinical signs and humane endpoints in animals used in teaching and research, which make the performance of these activities mandatory for any experiment and professional working in this area. Assigning the severity of a research experiment is the result of an analysis of records of observations of the animal’s behavior, and clinical signs. The aim of this study was to describe the importance of carrying out a severity assessment associated with clinical and behavioral monitoring of rodents and rabbits during experimentation to maintain the welfare of these animals undergoing scientific research. Methods: The literature search was carried out using the following terms: “Monitoring”;“Humane endpoints”;“Animal welfare”, “Rodents”;“Rabbits”, and as connectors “and”;“or”, in the following databases: PubMed;LILACS/BIREME and SciELo. Results: A total of 987 articles were identified in the databases, and 20 of these studies were included in this review. Conclusions: Humane endpoint protocols and procedure severity tables are of the utmost importance, both from an ethical point and to refine the results of research conducted on laboratory animals. They should be drawn up jointly by the teams responsible for the project and the maintenance of the animals during the research period, and the data obtained should be published so that the scientific community can have access to it, helping to disseminate these practices, as well as helping to draw up new procedures. Monitoring and evaluating the welfare and clinical condition of animals undergoing scientific research procedures is the responsibility of the professors, researchers, veterinarians, and animal facility coordinators. The Ethics Committee on the Use of Animals must monitor all the activities conducted with the animals, by inspecting the experimental procedures and the physical environment of the laboratory an

关键词： Monitoring Humane Endpoints Animal Welfare Experimental Design Laboratory Animals’ Investigations

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Is magnesium deficiency the major cause of needle chlorosis of Pinus taeda in Brazil?

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journal of Forestry Research 2024年第2期 213-225页

作者： Ant?nio Carlos Vargas motta Shizuo Maeda Valdécio dos Santos dos Santos Rodrigues Tamires Maiara Ercole Stephen Arthur Prior Ana Elisa Lyra Brumat Amanda Pacheco Cardoso Moura Julierme Zimmer Barbosa jo?o Bosco Vasconcellos Gomes Department of Soil Sciences and Agriculture Engineering Federal University of Paraná Brazilian Agricultural Research Company Embrapa Florestas 3. United States Department of Agriculture-Agricultural Research Service USDA-ARS National Soil Dynamics Laboratory 4. Reforestation Remasa 5. Federal Institute of Southeast of Minas Gerais

Needle chlorosis(NC) in Pinus taeda L. systems in Brazil becomes more frequent after second and third harvest rotation cycles. In a study to identify factors contributing to yellowing needle chorosis(YNC), trees were grown in soils originating from contrasting parent materials, and soils and needles(whole, green and chlorotic portions) from 1-and 2-year-old branches and the first and second needle flush release at four sites with YNC on P. taeda were analyzed for various elements and properties. All soils had very low base levels(Ca2+, Mg2+and K+) and P, suggesting a possible lack of multiple elements. YNC symptoms started at needle tips, then extended toward the needle base with time. First flush needles had longer portions with YNC than second flush needles did. Needles from the lower crown also had more symptoms along their length than those higher in the canopy. Symptoms were similar to those reported for Mg. In chlorotic portions, Mg and Ca concentrations were well below critical values; in particular, Mg levels were only one third of the critical value of 0.3 g kg-1. Collectively, results suggest that Mg deficiency is the primary reason for NC of P. taeda in various parent soils in Brazil.

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Concerns about the application of resistance exercise with blood-flow restriction and thrombosis risk in hemodialysis patients

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journal of Sport and Health Science 2024年第4期13卷 548-558,F0003页

作者： Hugo de Luca Correa Lysleine Alves Deus Dahan da Cunha Nascimento Nicholas Rolnick Rodrigo Vanerson Passos Neves Andrea Lucena Reis Thais Branquinho de Araujo Carmen Tzanno-Martins Fernanda Silveira Tavares Luiz Sinesio Silva Neto Claudio Avelino Rodrigues Santos Paolo Lucas Rodrigues-Silva Fernando Honorato Souza Vitoria Marra da motta Vilalva Mestrinho Rafael Lavarini dos Santos Rosangela Vieira Andrade jonato Prestes Thiago dos Santos Rosa Post-graduate Program of Physical Education Catholic University of BrasıliaBrasılia 71966-700Brazil The Human Performance Mechanic Lehman CollegeNew YorkNY 10011USA Clinical Group Home Dialysis Center and RenalClass Sao Paulo 01239-040Brazil Department of Medicine Catholic University of BrasıliaBrasılia 71966-700Brazil Faculty of Medicine Federal University of TocantinsTocantins 77001-090Brazil Embrapa Genetic Resources and Biotechnology Brasılia 70770-917Brazil Graduate Program of Genomic Sciences and Biotechnology Brasılia 71966-700Brazil

Background:Hemodialysis(HD) per se is a risk factor for *** the growing body of evidence on blood-flow restriction(BFR) exercise in HD patients,identification of possible risk factors related to the prothrombotic agent D-dimer is required for the safety and feasibility of this training *** aim of the present study was to identify risk factors associated with higher D-dimer levels and to determine the acute effect of resistance exercise(RE) with BFR on this ***:Two hundred and six HD patients volunteered for this study(all with a glomerular filtration rate of on consisted of 50% arterial occlusion pressure during 50 min sessions of HD(intradialytic exercise).RE repetitions included concentric and eccentric lifting phases(each lasting 2 s) and were supervised by a strength and conditioning ***:Several variables were associated with elevated levels of D-dimer,including higher blood glucose,citrate use,recent cardiovascular events,recent intercurrents,higher inflammatory status,catheter as vascular access,older patients(>70 years old),and HD ***,RE+BFR significantly increases D-dimer after 4 *** with borderline baseline D-dimer levels(400-490 ng/mL) displayed increased risk of elevating D-dimer over the normal range(≥500 ng/mL).Conclusion:These results identified factors associated with a heightened prothrombotic state and may assist in the screening process for HD patients who wish to undergo RE+BFR.D-dimer and/or other fibrinolysis factors should be assessed at baseline and throughout the protocol as a precautionary measure to maximize safety during RE+BFR.

关键词： Blood-flow restriction Chronic kidney disease Coagulation Hemodialysis Vascular occlusion exercises

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Unwrapping reworked crust at the Columbia supercontinent margin within central southern Amazon Craton using multi-source geophysics and geochronology data synergy

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Geoscience Frontiers 2022年第3期13卷 35-52页

作者： joão G.motta P.G.Betts V.T.Meira V.G.Trevisan C.R.de Souza Filho Institute of Geosciences University of CampinasCampinasSão PauloBrazil Camborne School of Mines University of ExeterPenryn CampusPenrynCornwallUnited Kingdom School of Earth Atmosphere and EnvironmentMonash University(Clayton Campus)ClaytonVICAustralia Anglo American Níquel Brasil Ltda. Avenida Interlândia502 QD 87LST 68 e 10GoiâniaGoiásBrazil

The geometry and evolution of pre-existing basement in accretionary belts bordering supercontinents are often *** interpretation of long-wavelength potential field satellite data can image deep crust structure,improving our understanding of lithospheric processes that formed these margins ***,we present a multidisciplinary interpretation of the lithospheric architecture of the central southern Amazon Craton,a fragment of an accretionary belt at the southwestern Columbia supercontinent ***-borne gravity and magnetic data,airborne magnetic data,passive seismic(V_(p)/V_(s) ratio,crustal thickness)and seismic tomography data reveals that basement terranes from the interior of the craton extend into the accretionary margin of *** demonstrate a vertically heterogeneous structure with an underlying strongly reworked pre-Columbia tectonic wedge that sustained prolonged modification during the supercontinent assembly as corroborated by Nd isotope and geochronology *** isotope data suggest that the protracted orogenic wedge was influenced by subduction angle shifts over time,including addition of substantial juvenile material during slab retreat *** interplay promoted Craton growth at the supercontinent margin while keeping a subtle record of the pre-existing *** findings point to the possible misrepresentation of basement extension and geometry of supercontinent margins elsewhere.

关键词： Satellite gravity Satellite magnetics Columbia Accretionary belt Amazon Craton Geochronology

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Response to Commentary by Dr. Matthew J. Clarkson on

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journal of Sport and Health Science 2024年第5期13卷 670-671页

作者： Hugo de Luca Corrêa Lysleine Alves Deus Dahan da Cunha Nascimento Nicholas Rolnick Rodrigo Vanerson Passos Neves Andrea Lucena Reis Thais Branquinho de Araújo Carmen Tzanno-Martins Fernanda Silveira Tavares Luiz Sinésio Silva Neto Cláudio Avelino Rodrigues Santos Paolo Lucas Rodrigues-Silva Fernando Honorato Souza Vitória Marra da motta Vilalva Mestrinho Rafael Lavarini dos Santos Rosangela Vieira Andrade jonato Prestes Thiago dos Santos Rosa Post-graduate Program of Physical Education Catholic University of BrasıliaBrasılia 71966-700Brazil The Human Performance Mechanic Lehman CollegeNew YorkNY 10011USA Clinical Group Home Dialysis Center and RenalClass Sao Paulo 01239-040Brazil Department of Medicine Catholic University of BrasıliaBrasılia 71966-700Brazil Faculty of Medicine Federal University of TocantinsTocantins 77001-090Brazil Embrapa Genetic Resources and Biotechnology Brasılia 70770-917Brazil g Graduate Program of Genomic Sciences and Biotechnology Brasılia 71966-700Brazil

Dear editor:We sincerely thank Matthew *** for his insightful commentary1 on our recent publication in the journal of Sport and Health Science.2 Clarkson's pioneering work in the development and application of blood flow restriction (BFR) exercise protocols has undeniably laid the groundwork for subsequent investigations in this field,including our own.(3-6)His commentary not only highlights the relevance and timeliness of our study but also offers valuable perspectives on refining safety considerations for intradialytic BFR exercise among hemodialysis patients.

关键词： patients application flow

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Automatic Detection of CoVID-19 Infection Using Chest X-Ray Images Through Transfer Learning

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IEEE/CAA journal of Automatica Sinica 2021年第1期8卷 239-248页

作者： Elene Firmeza ohata gabriel Maia Bezerra joão Victor Souza das Chagas Aloísio Vieira Lira Neto Adriano Bessa Albuquerque Victor Hugo Cde Albuquerque Pedro Pedrosa Rebouças Filho the Universidade Federal do Ceará FortalezaCE 60455-970and also with the Instituto Federal do CearáFortalezaCE 60040-215Brazil the Instituto Federal do Ceará FortalezaCE 60040-215Brazil the Universidade de Fortaleza FortalezaCE 60811-905Brazil

The new coronavirus(CoVID-19),declared by the World Health organization as a pandemic,has infected more than 1 million people and killed more than 50 *** infection caused by CoVID-19 can develop into pneumonia,which can be detected by a chest X-ray exam and should be treated *** this work,we propose an automatic detection method for CoVID-19 infection based on chest X-ray *** datasets constructed for this study are composed of194 X-ray images of patients diagnosed with coronavirus and 194 X-ray images of healthy *** few images of patients with CoVID-19 are publicly available,we apply the concept of transfer learning for this *** use different architectures of convolutional neural networks(CNNs)trained on Image Net,and adapt them to behave as feature extractors for the X-ray ***,the CNNs are combined with consolidated machine learning methods,such as k-Nearest Neighbor,Bayes,Random Forest,multilayer perceptron(MLP),and support vector machine(SVM).The results show that,for one of the datasets,the extractor-classifier pair with the best performance is the Mobile Net architecture with the SVM classifier using a linear kernel,which achieves an accuracy and an F1-score of 98.5%.For the other dataset,the best pair is Dense Net201 with MLP,achieving an accuracy and an F1-score of 95.6%.Thus,the proposed approach demonstrates efficiency in detecting CoVID-19 in X-ray images.

关键词： Convolutional neural networks(CNNs) CoVID-19 transfer learning X-ray

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Development of a warning score for early detection of colorectal anastomotic leakage:Hype or hope?

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World journal of Gastrointestinal Surgery 2022年第11期14卷 1297-1309页

作者： Nuno J G Rama Óscar Lourenço Patrícia C motta Lima Maria Pedro S Guarino Diana Parente Ricardo Castro Ana Bento Anabela Rocha Fernando Castro-Poças joão Pimentel Division of Colorectal Surgical Leiria Hospital CentreLeiria 2410-021Portugal Abel Salazar Biomedical Institute University of OportoOporto 4099-002Portugal Center for Innovative Care and Health Technology(ciTechCare) Polytechnic of LeiriaLeiria 2410-541Portugal Faculty of Economics CeBERUniversity of CoimbraCoimbra 3000-137Portugal Division of Clinical Pathology Leiria Hospital CentreLeiria 2410-541Portugal Division of Surgical Oporto Hospital CentreOporto 4099-001Portugal Department of Gastroenterology Santo António HospitalPorto Hospital CenterOporto 4099-001Portugal Institute of Biomedical Sciences Abel Salazar University of OPortoOporto 4099-001Portugal Faculty of Medicine University of CoimbraCoimbra 3004-531Portugal Division of Surgical Montes Claros HospitalCoimbra 3030-320Portugal

BACKGRoUND Colorectal anastomotic leakage(CAL),a severe postoperative complication,is associated with high morbidity,hospital readmission,and overall healthcare *** detection of CAL remains a challenge in clinical ***,some decision models have been developed to increase the diagnostic accuracy of this *** To develop a score based on easily accessible variables to detect CAL *** Based on the least absolute shrinkage and selection operator method,a predictive classification system was developed[Early ColoRectAL Leakage(E-CRALL)score]from a prospective observational,single center cohort,carried out in a colorectal division from a non-academic *** score performance and CAL threshold from postoperative day(PoD)3 to PoD5 were *** on a precise analytical decision model,the standard clinical practice was compared with the E-CRALL adoption on PoD3,PoD4,or PoD5.A cost-minimization analysis was conducted,on the assumption that all alternatives delivered similar health-related *** In this study,396 patients who underwent colorectal resection surgery with anastomosis,and 6.3%(n=25)developed *** of the patients who developed CAL(n=23;92%)were diagnosed during the first hospital admission,with a median time of diagnosis of 9.0±6.8 *** PoD3 to PoD5,the area under the receiver operating characteristic curve of the E-CRALL score was 0.82,0.84,and 0.95,*** PoD5,if a threshold of 8.29 was chosen,87.4%of anastomotic failures were identified with E-CRALL ***,score usage could anticipate CAL diagnosis in an average of 5.2 d and 4.1 d,if used on PoD3 and PoD5,*** of score adoption,episode comprehensive costs were markedly greater(up to four times)in patients who developed CAL in comparison with patients who did not develop ***,the use of the E-CRALL warning score was associated with cost savings of€421442.20,with most(92.9%)of the savings from patients

关键词： Anastomotic leakage Colorectal Surgery Biomarkers Score Costs

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Usefulness of serum C-reactive protein and calprotectin for the early detection of colorectal anastomotic leakage:A prospective observational study

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World journal of Gastroenterology 2022年第24期28卷 2758-2774页

作者： Nuno J G Rama Marlene C C Lages Maria Pedro S Guarino Óscar Lourenço Patrícia C motta Lima Diana Parente Cândida S G Silva Ricardo Castro Ana Bento Anabela Rocha Fernando Castro-Pocas joão Pimente Colorectal Surgical Division Leiria Hospital CentreLeiria 2410-021Portugal Abel Salazar Biomedical Institute(ICBAS) University of OportoOporto 4099-002Portugal Center for Innovative Care and Health Technology(ciTechCare) Polytechnic of LeiriaLeiria 2410-541Portugal Faculty of Economics CeBERUniversity of CoimbraCoimbra 3000-137Portugal Clinical Pathology Division Leiria Hospital CentreLeiria 2410-541Portugal Surgical Division Oporto Hospital CentreOporto 4099-001Portugal Department of Gastroenterology Santo António HospitalPorto Hospital CenterPorto 4099-001Portugal Institute of Biomedical Sciences Abel Salazar University of PortoPorto 4099-001Portugal Faculty of Medicine University of CoimbraCoimbra 3004-531Portugal Surgical Division Montes Claros HospitalCoimbra 3030-320Portugal

BACKGRoUND Colorectal anastomotic leakage(CAL)is one of the most dreaded complications after colorectal surgery,with an incidence that can be as high as 27%.This event is associated with increased morbidity and mortality;therefore,its early diagnosis is crucial to reduce clinical consequences and *** biomarkers have been suggested as laboratory tools for the diagnosis of *** To assess the usefulness of plasma C-reactive protein(CRP)and calprotectin(CLP)as early predictors of *** A prospective monocentric observational study was conducted including patients who underwent colorectal resection with anastomosis,from March 2017 to August *** were divided into three groups:G1–no complications;G2–complications not related to CAL;and G3–*** biomarkers were measured and analyzed in the first 5 postoperative days(PoDs),namely white blood cell(WBC)count,eosinophil cell count(ECC),CRP,CLP,and procalcitonin(PCT).Clinical criteria,such as abdominal pain and clinical condition,were also *** correlation between biomarkers and CAL was *** operating characteristic(RoC)curve analysis was used to compare the accuracy of these biomarkers as predictors of CAL,and the area under the RoC curve(AURoC),specificity,sensitivity,positive predictive value,and negative predictive value(NPV)during this period were *** In total,25 of 396 patients developed CAL(6.3%),and the mean time for this diagnosis was 9.0±6.8 *** operative characteristics,such as surgical approach,blood loss,intraoperative complications,and duration of the procedure,were notably related to the development of *** length of hospital stay was markedly higher in the group that developed CAL compared with the group with complications other than CAL and the group with no complications(median of 21 d vs 13 d and 7 d respectively;Por abdominal pain,the best predictive performance was on PoD4 and PoD5,with the largest AURoC of 0.84 on ***

关键词： Anastomotic leakage Colorectal Surgery Biomarkers C-reactive protein Calprotectin

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