0000000000701726

AUTHOR

C. Thomssen

showing 4 related works from this author

SARS-CoV-2 vaccination modelling for safe surgery to save lives: data from an international prospective cohort study

2021

Abstract Background Preoperative SARS-CoV-2 vaccination could support safer elective surgery. Vaccine numbers are limited so this study aimed to inform their prioritization by modelling. Methods The primary outcome was the number needed to vaccinate (NNV) to prevent one COVID-19-related death in 1 year. NNVs were based on postoperative SARS-CoV-2 rates and mortality in an international cohort study (surgical patients), and community SARS-CoV-2 incidence and case fatality data (general population). NNV estimates were stratified by age (18–49, 50–69, 70 or more years) and type of surgery. Best- and worst-case scenarios were used to describe uncertainty. Results NNVs were more favourable in su…

MaleCOVID-19 Vaccinesafe surgery; vaccination modelling; COVID-19Vascular damage Radboud Institute for Health Sciences [Radboudumc 16]MULTICENTERComorbidity030230 surgery0302 clinical medicinephase 3 clinical trial (topic)Case fatality rateProspective StudiesSARS-CoV-2 Vaccination Safe surgeryCOVID-19/epidemiologySARS-CoV-2 ; vaccination ; safe surgeryeducation.field_of_studycase fatality rateVaccinationVaccinationAdolescent; Adult; Aged; COVID-19; COVID-19 Vaccines; Comorbidity; Elective Surgical Procedures; Female; Humans; Male; Middle Aged; Postoperative Complications; Preoperative Period; Prospective Studies; SARS-CoV-2; Vaccination; Young Adulthealth care policyElective Surgical Procedures030220 oncology & carcinogenesisvaccination modellingPreoperative PeriodCOVID-19; SARS-CoV-2; cancer; vaccination; outcome; mortality; infection; modellingCohort studyprospective studyHumanmedicine.medical_specialtyArticle03 medical and health sciencesSARS-CoV-2 vaccinationSDG 3 - Good Health and Well-beingCOVID-19 Vaccines/pharmacologyHumansVaccination/methodsElective surgeryeducationAgedScience & TechnologyElective Surgical Procedureadult; aged; Article; cancer grading; cancer surgery; case fatality rate; computer assisted tomography; elective surgery; female; follow up; health care policy; human; incidence; infection rate; infection risk; major clinical study; male; middle aged; mortality; outcome assessment; phase 3 clinical trial (topic); preoperative care; prospective study; sensitivity analysis; seroprevalence; Severe acute respiratory syndrome coronavirus 2; vaccination; young adult; COVID-19; COVID-19 Vaccines; Comorbidity; Elective Surgical Procedures; Postoperative Complications; Preoperative Period; SARS-CoV-2; Vaccination; surgery.Cura preoperatòriamajor clinical studymortalityinfectionProspective StudieincidenceSurgeryHuman medicinePostoperative Complication610 Medizin und GesundheitAcademicSubjects/MED00910Settore MED/18 - CHIRURGIA GENERALESettore MED/29 - CHIRURGIA MAXILLOFACCIALEcomputer assisted tomographyESTUDOS PROSPECTIVOSsurgerysafe surgeryPostoperative Complicationssensitivity analysisSevere acute respiratory syndrome coronavirus 2preoperative careVacunacióProspective cohort studyseroprevalenceIncidence (epidemiology)covidElective Surgical Procedures/methodsMiddle Agedcancer gradingCOVID vaccinationoutcome/dk/atira/pure/sustainabledevelopmentgoals/good_health_and_well_beingSARS-CoV-2; vaccination; surgeryOriginal ArticleFemalecancer surgeryAcademicSubjects/MED00010Life Sciences & BiomedicineAdultCOVID-19 VaccinesAdolescentinternational prospective cohort studyPostoperative Complications/prevention & controlPopulationinfection rateSARS-CoV-2/immunologyNOmodellingYoung Adultmedicinefollow upcancerddc:610infection riskoutcome assessmentLS7_4business.industrySARS-CoV-2Number needed to vaccinatePreoperative careCOVID-193126 Surgery anesthesiology intensive care radiologySettore MED/18Reconstructive and regenerative medicine Radboud Institute for Health Sciences [Radboudumc 10]elective surgeryEmergency medicinebusiness[SDV.MHEP]Life Sciences [q-bio]/Human health and pathologyThe British Journal of Surgery
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Outcome Prediction in Node-Negative Breast Cancer Based on ASCO-Recommended Biomarkers uPA/PAI-1 Using the Final 10-Year Analysis of the Randomized M…

2009

Abstract Background: Based on interim analysis of Chemo N0, the first prospective multicenter randomized clinical trial using biomarkers uPA/PAI-1 for risk stratification and chemotherapy selection in N0 breast cancer, uPA/PAI-1 are now recommended for routine use by ASCO and AGO guidelines. Final 10-year follow-up of Chemo N0 has validated the clinically relevant long-term prognostic and predictive impact of uPA/PAI-1 in N0 breast cancer. To quantify the clinical utility of this impact, outcomes in subgroups defined by these biomarkers were compared to predictions of Adjuvant Online™, the leading validated tool based on established clinical factors. Methods: In Chemo N0, patients (n=647, 1…

GynecologyOncologyCancer Researchmedicine.medical_specialtybusiness.industrymedicine.medical_treatmentCancerInterim analysismedicine.diseaselaw.inventionClinical trialBreast cancerOncologyRandomized controlled triallawInternal medicineEpidemiologyAdjuvant therapyMedicinebusinessAdjuvantCancer Research
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Abstract P1-13-01: Final results of the ASG1-3 study, a randomized phase III study comparing a standard dose chemotherapy with epirubicin/cyclophosph…

2019

Abstract Background Dose dense chemotherapy (DDT) has shown improvements of disease-free survival (DFS) and overall survival for primary breast cancer patients with a high risk of relapse. There are much less data about the effect of DDT in patients with intermediate risk of recurrence (1-3 positive axillary lymph nodes). Aim of this prospectively randomized trial was to investigate the superiority of a DDT schedule over a standard chemotherapy (ST) in primary breast cancer patients with 1-3 positive axillary lymph nodes. Methods The ASG1-3 study is a prospectively randomized, open label phase III study of the Adjuvant Study Group of the NOGGO association. Patients were eligible for the tri…

Cancer ResearchChemotherapymedicine.medical_specialtyeducation.field_of_studyAxillary lymph nodesDose-dense chemotherapybusiness.industrymedicine.medical_treatmentPopulationmedicine.diseaseGastroenterologyRegimenmedicine.anatomical_structureBreast cancerOncologyInternal medicinemedicineAdjuvant therapyeducationbusinessEpirubicinmedicine.drugCancer Research
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Long-term outcome prediction by clinicopathological risk classification algorithms in node-negative breast cancer--comparison between Adjuvant!, St G…

2009

Background: Defining risk categories in breast cancer is of considerable clinical significance. We have developed a novel risk classification algorithm and compared its prognostic utility to the Web-based tool Adjuvant! and to the St Gallen risk classification. Patients and methods: After a median follow-up of 10 years, we retrospectively analyzed 410 consecutive node-negative breast cancer patients who had not received adjuvant systemic therapy. High risk was defined by any of the following criteria: (i) age 2 cm. All patients were also characterized using Adjuvant! and the St Gallen 2007 risk categories. We analyzed disease-free survival (DFS) and overall survival (OS). Results: The Node-…

AdultTime FactorsBreast NeoplasmsKaplan-Meier EstimateRisk AssessmentSensitivity and SpecificityDisease-Free SurvivalBreast cancerBreast cancer 3Predictive Value of TestsMedicineHumansLongitudinal StudiesProspective StudiesRisk factorAgedNeoplasm StagingRetrospective StudiesAged 80 and overNeovascularization Pathologicbusiness.industryHazard ratioCancerRetrospective cohort studyHematologyGenes erbB-2Middle Agedmedicine.diseasePrognosisImmunohistochemistrySurvival AnalysisTreatment OutcomeOncologyAdult; Aged; Aged 80 and over; Algorithms; Breast Neoplasms/genetics; Breast Neoplasms/pathology; Breast Neoplasms/radiotherapy; Breast Neoplasms/surgery; Disease-Free Survival; Female; Follow-Up Studies; Genes erbB-2; Humans; Immunohistochemistry; Kaplan-Meier Estimate; Longitudinal Studies; Middle Aged; Multivariate Analysis; Neoplasm Staging; Neovascularization Pathologic; Predictive Value of Tests; Prognosis; Prospective Studies; Receptors Progesterone/analysis; Regression Analysis; Retrospective Studies; Risk Assessment; Sensitivity and Specificity; Survival Analysis; Time Factors; Treatment OutcomeMultivariate AnalysisRegression AnalysisFemaleBreast diseasebusinessRisk assessmentReceptors ProgesteroneAlgorithmAlgorithmsFollow-Up Studies
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