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Artykuły w czasopismach na temat "Score de prédiction"
Lenglet, A., F. Balen, S. Charpentier, A. Sourbes, D. Arcuset, V. Delonglée, P. A. Fort, V. Bounes i B. Charriton Dadone. "Événements indésirables au cours de transfert interhospitalier de patients présentant un syndrome coronaire aigu non ST+". Annales françaises de médecine d’urgence 9, nr 6 (21.10.2019): 369–74. http://dx.doi.org/10.3166/afmu-2019-0188.
Pełny tekst źródłaRoblin, Xavier. "Prédiction d’un score informatisé dans l’évolution des hémorragies digestives basses". Acta Endoscopica 34, nr 2 (kwiecień 2004): 259. http://dx.doi.org/10.1007/bf03009018.
Pełny tekst źródłaHangard, P., i L. Ponthier. "Étude PREDYSPE : score échographique de prédiction de la dysplasie bronchopulmonaire (DBP)". Perfectionnement en Pédiatrie 8, nr 1 (marzec 2025): 79. https://doi.org/10.1016/j.perped.2025.01.019.
Pełny tekst źródłaDargaud, Y. "Score de prédiction de risque de maladie thromboembolique veineuse en milieu obstétrical". Journal des Maladies Vasculaires 37, nr 2 (marzec 2012): 70. http://dx.doi.org/10.1016/j.jmv.2011.12.015.
Pełny tekst źródłaBranger, B., V. Dochez, S. Gervier i N. Winer. "Césarienne après déclenchement du travail : facteurs de risque et score de prédiction". Gynécologie Obstétrique Fertilité & Sénologie 46, nr 5 (maj 2018): 458–65. http://dx.doi.org/10.1016/j.gofs.2018.03.008.
Pełny tekst źródłaAmmar, M., A. Ben Saad, N. Fahem, L. Loued, A. Migaou, C. Harrathi, S. Cheikh Mhamed i in. "Score de prédiction de récidive après un premier épisode de pneumothorax spontané". Revue des Maladies Respiratoires 36 (styczeń 2019): A235. http://dx.doi.org/10.1016/j.rmr.2018.10.538.
Pełny tekst źródłaBen Ayed, H., M. Koubaa, S. Yaich, M. Gargouri, M. Ben Yahia, F. Smaoui, J. Dammak i M. Ben Jemaa. "Intérêt d’un score combiné non invasif dans la prédiction de la fibrose hépatique". Médecine et Maladies Infectieuses 47, nr 4 (czerwiec 2017): S71. http://dx.doi.org/10.1016/j.medmal.2017.03.174.
Pełny tekst źródłaBOUSSAGEON, R. "INTERET DU SCORE CALCIQUE DANS L'EVALUATION DU RISQUE CARDIOVASCULAIRE EN MEDECINE GENERALE". EXERCER 33, nr 188 (1.12.2022): 465. http://dx.doi.org/10.56746/exercer.2022.188.465.
Pełny tekst źródłaFatma, B. F., B. Bouchabou, E. Rym, A. Nakhli i N. Hemdani. "Le NAFLD-MS score : nouveau score pour la prédiction du foie gras chez les patients avec un syndrome métabolique". La Revue de Médecine Interne 43 (czerwiec 2022): A190—A191. http://dx.doi.org/10.1016/j.revmed.2022.03.115.
Pełny tekst źródłaFiard, G., J. Descotes, Q. Franquet, D. Poncet, J. Rambeaud i J. A. Long. "Prédiction du score de Gleason par l’association biopsies randomisées + ciblées avec fusion échographie-IRM". Progrès en Urologie 27, nr 13 (listopad 2017): 704–5. http://dx.doi.org/10.1016/j.purol.2017.07.066.
Pełny tekst źródłaRozprawy doktorskie na temat "Score de prédiction"
El, Hajj Maya. "Elaboration d'un Score Prédictif des Accidents Vasculaires Cérébraux au Liban". Thesis, Paris Est, 2017. http://www.theses.fr/2017PESC0078/document.
Pełny tekst źródłaBackground: Stroke is the second leading cause of death in Lebanon and worldwide. There is a scarcity of reliable information about the epidemiology of stroke in Lebanon. We aim to identify stroke risk factors and symptoms in the Lebanese population and develop a score for future stroke prediction and another for stroke diagnosis at emergency.Methods: A case-control study was conducted for the scores generation. Data were collected through a designed data collection sheet at two tertiary hospitals in Lebanon between January 1st, 2012 and December 31st, 2014. A logistic regression determined stroke risk factors and symptoms and the rounded coefficients generated a Risk of Stroke Score (ROSS) and a Diagnosis Score for Stroke (DS-Stroke). Another case-control study was conducted for the scores validation where data were collected through a standardized questionnaire at five different tertiary hospitals between January 1st, 2015 and December 31st, 2016. ROSS and DS-Stroke were validated by comparing them to the hospitals final diagnosis.Results: In total, 732 participants were included in the score generation study (202 stroke cases and 530 stroke-free controls) and 650 participants were included in the score validation study (205 cases and 445 stroke-free controls). Many risk factors and symptoms were found to be associated with stroke in Lebanon. ROSS and DS-Stroke were constructed and validated with high areas under the curve and high negative and positive prediction values.Conclusion: ROSS is a good risk assessment tool for use to improve the prediction of stroke in the Lebanese population and would be of particular interest in the primary care setting to reduce stroke incidence. DS-Stroke is another valuable tool to use for stroke diagnosis at emergency and would be interesting to user in order to have an accurate diagnosis of stroke, call for further emergency testing if necessary and speed up the treatment for stroke patients
Masset, Christophe. "Lésions inflammatoires et vasculaires en transplantation pancréatique". Electronic Thesis or Diss., Nantes Université, 2025. http://www.theses.fr/2025NANU1002.
Pełny tekst źródłaPancreatic transplantation is the best option to propose for selected diabetic patients, but often complicates with occurrence of early allograft failure due to thrombosis. In this manuscript, we first reviewed evidences linking this thrombotic complication with activation of the immune system, due either to donor’s condition or to ischemia/reperfusion injuries, thus leading to the concept of Immunothrombosis in pancreatic transplantation. We first investigated possible unknown risk factors of thrombosis and evidenced the deleterious role of donor’s hypertension in early pancreas. We further explored in-vitro responses of endothelial pancreatic cells to inflammatory cytokines related to ischemia/reperfusion and donor’s condition. From these experimental models, we showed that pancreatic endothelial cells exert a more pro-inflammatory and pro-thrombotic phenotype than glomerular endothelial cells in a resting state. Furthermore, their response to inflammatory molecules such as IL1β and IL6 seems exacerbed, which could suggest an interest in targeted therapies. Additional molecules present in the donor such as MMP-9 may also play a role in the endothelium activation. Besides inflammatory molecules, we assessed the role of anti-AT1R auto-antibodies in recipient’s sera. It reveals that their presence at the time of transplantation is significantly associated with a higher risk of pancreatic thrombosis and rejection, suggesting an implication of recipient’s inflammatory condition in addition to donor’s one. Finally, we laid the groundwork for the construction of a future composite predicitve score for allograft failure, incorporating both clinical parameters and biomarkers from recipient’s sera at the time of transplantation
Koskas, Martin. "Utilisation et développement d'outils statistiques pour la prédiction individuelle du statut ganglionnaire dans le cancer de l'endomètre". Thesis, Versailles-St Quentin en Yvelines, 2014. http://www.theses.fr/2014VERS0038.
Pełny tekst źródłaEndometrial cancer is the most common malignancy of the female genital tract. Lymph node metastasis is one of the most important prognostic factors. However, the therapeutic role of lymphadenectomy is still debated.We developed the score PREGE, able to predict lymph node metastasis based on pathological hysterectomy characteristics in endometrial cancer. Data from almost 20,000 patients who underwent hysterectomy and lymphadenectomy were analyzed and significant prognostic features were selected: final pathological characteristics (histologic type, grade and primary site tumoral extension) and patients’ characteristics (age and race). In a French multicentric cohort, the nomogram showed good discrimination (AUC=0.79 ) and was well calibrated.Lymph node metastasis prediction by the score using preoperative data was as accurate as that obtained using the final tumor characteristics. With a cut-off value of 100 points for the total score, the negative predictive value was 100%.Patients were clustered into quintiles according to their lymph node metastasis probability. The cancer related survival was compared based on whether patients underwent lymphadenectomy. In the five quintile groups, the specific survival rate was significantly higher in the patients who did not undergo lymphadenectomy. However, when lymph node letastatic probabilityexceeded 20%, specific survival was higher in patients in whom at least 10 lymph nodes were removed.PREGE score could be useful to select few patients who will really benefit from lymphadenectomy and avoid lymphadenectomy in most patients with endometrial cancer
Nguile, Makao Molière. "Pneumonies nosocomiales acquises sous ventilation mécanique : prédiction du diagnostic et influence sur le pronostic". Phd thesis, Grenoble, 2010. http://www.theses.fr/2010GRENM073.
Pełny tekst źródłaNosocomial Pneumonia is the most frequent and severe infection encountered in intensive care unit, notably in patients under mechanical ventilation. The objective of this thesis is to develop tools to optimize the prevention of Ventilation Associated nosocomial Pneumonias (VAP) using the information of OUTCOMEREA database. Thus, a VAP score was built from a hierarchical logistic regression mixed model to compare the care structures. As the logistic regression model presenting a few shortcomings, we oriented our work towards multi-state models. In particular, we studied the Progressive Disability model from which the attributable mortality due to VAP was evaluated efficiently and patients groups with bad prognosis were identified. This model has been simplified to a Disability model. Thereafter, the covariates were included via the Breslow estimator and the mortality was re-estimated. From the Disability model, a global and individualized prediction of VAP in the three days following observation time was built. The prediction performance is evaluated by a loss function weighted by events frequency over time
Nguile, Makao Molière. "Pneumonies nosocomiales acquises sous ventilation mécanique : prédiction du diagnostic et influence sur le pronostic". Phd thesis, Grenoble, 2010. http://tel.archives-ouvertes.fr/tel-00538779.
Pełny tekst źródłaTurc, Guillaume. "Prédiction du pronostic fonctionnel de l’infarctus cérébral traité par thrombolyse intraveineuse". Thesis, Sorbonne Paris Cité, 2015. http://www.theses.fr/2015PA05T043/document.
Pełny tekst źródłaIntravenous thrombolysis (IVT) is the only licensed drug for acute ischemic stroke (AIS). However, about half of the treated patients do not achieve functional independence at 3 months (mRS>2), mostly due to lack of early recanalization or symptomatic intracranial hemorrhage (sICH). Firstly, we aimed to determine if 3-month outcome (mRS) after IVT can be reliably predicted based on clinical and MRI variables available at admission. Secondly, we assessed the relationships between the clinical course within 24 hours after IVT and 3-month mRS. We collected clinical and MRI data of all patients treated by IVT ≤4.5 hrs for AIS between 2003 and 2015 in Sainte-Anne hospital, Paris. (1) We derived the MRI-DRAGON score, a simple tool consisting of 7 clinical and MRI variables available at admission, which can reliably predict 3-month mRS>2 (c-statistic=0.83 [0.78-0.88]). (2) We then performed an external validation of this score in the Lille cohort, showing good discrimination and calibration of the model, despite an overestimation of the risk of mRS>2 in patients with a high MRI-DRAGON score. (3) Trying to find additional predictors of long-term outcome, we showed that the cerebral microbleed (CMB) burden at baseline was not an independent predictor of 3-month mRS after adjusting for confounding factors (age and hypertension).Furthermore, we assessed the relationships between early clinical course after IVT and 3-month mRS, based on two common clinical events: (4) Firstly, the lack of very early neurological improvement (VENI) 1 hour after IVT, which was observed in 77% patients and strongly associated with 3-month mRS, but did not improve the predictive ability of the model when incorporated into the MRI-DRAGON score. (5) Secondly, early neurological deterioration (END) within 24 hours after IVT, occuring in 14% patients in our systematic review and meta-analysis. (6) In our cohort, the positive predictive value of END for 3-month mRS>2 prediction was 90%. END of undetermined cause (ENDunexplained) accounted for 70% of ENDs, and was associated with no prior use of antiplatelets, proximal artery occlusion, DWI-PWI mismatch volume and lack of recanalization. We proposed a simple score to predict 3-month mRS soon after admission in patients treated by IVT for AIS. It may be used to help therapeutic decisions, by identifying patients likely to achieve 3-month mRS ≤2 after IVT alone. We have also shown that CMB burden before IVT is not an independent predictor or 3-month outcome. We participate in an ongoing international individual patient data meta-analysis to determine whether there is a subgroup of patients with CMBs, which seems to have an independent risk of poor 3-month outcome so important that it might outweigh the expected benefit of IVT. Although lack of VENI 1 hour after IVT is strongly associated with 3-month mRS>2, it doesn’t seem to be specific enough to guide decision-making regarding additional thrombectomy (bridging therapy), and should therefore not delay an endovascular procedure. Finally, our results suggest that a persistent cerebral hypoperfusion contributes to most ENDs. Therefore, many ENDs might be avoided in a near future, given the recent proof of the clear superiority of bridging therapy over IVT alone regarding recanalization. This revolution in acute stroke management leads the way to important clinical research perspectives, such as developing a tool to accurately predict 3-month mRS after bridging therapy. Important research efforts will be needed to develop a personalized treatment algorithm, helping to determine which therapeutic option (bridging therapy, IVT alone, thrombectomy alone, or no recanalization therapy) would be the best for each patient
Blanche, Paul. "Contribution à l'évaluation de capacités pronostiques en présence de données censurées, de risques concurrents et de marqueurs longitudinaux : inférence et applications à la prédiction de la démence". Thesis, Bordeaux 2, 2013. http://www.theses.fr/2013BOR22098/document.
Pełny tekst źródłaThe objective of this work is to develop statistical methods that can be used to evaluate and compare the prognostic ability of different prognostic tools. To measure prognostic ability, mainly the time-dependent ROC curve is studied and also the Brier score for a prediction horizon t. Motivated by applications where the aim is to predict the risk of dementia in cohort data of elderly people, this work focuses on inference procedures in the presence of right censoring and competing risks. In elderly populations death is a highly prevalent competing risk. To define consistent estimators of the prediction ability measures, we use the inverse probability of censoring weighting (IPCW) approach. In our first work, we show that the IPCW approach provides consistent estimators of prediction ability based on right censored data, even when the censoring distribution is marker-dependent. In our second work, we adapt the estimators to settings with competing risks. Asymptotic results are provided and we derive confidence regions and tests for comparing different prognostic tools. Finally, in a third work we focus on comparing dynamic prognostic tools which use information from repeated marker measurements to predict future events. The prognostic ability measures now depend on both the time s at which predictions are made and on the prediction horizon t. Curves of the prognostic ability as a function of s are developed for the evaluation of dynamic risk predictions. Inference procedures are adapted and so are confidence regions and tests to compare the curves. The applications of the proposed methods to cohort data show that the prognostic tools that use cognitive tests, or repeated measurements of cognitive tests, have high prognostic abilities
Sene, Mbery. "Développement d’outils pronostiques dynamiques dans le cancer de la prostate localisé traité par radiothérapie". Thesis, Bordeaux 2, 2013. http://www.theses.fr/2013BOR22115/document.
Pełny tekst źródłaThe prediction of a clinical event with prognostic tools is a central issue in oncology. The emergence of biomarkers measured over time can provide tools incorporating repeated data of these biomarkers to better guide the clinician in the management of patients. The objective of this work is to develop and validate dynamic prognostic tools of recurrence of prostate cancer in patients initially treated by external beam radiation therapy, taking into account the repeated data of PSA, the Prostate-Specific Antigen, in addition to standard prognostic factors. These tools are dynamic because they can be updated at each available new measurement of the biomarker. They are built from joint models for longitudinal and time-to-event data. The principle of joint modelling is to describe the evolution of the biomarker through a linear mixed model, describe the risk of event through a survival model and link these two processes through a latent structure. Two approaches exist, shared random-effect models and joint latent class models. In a first study, we first compared in terms of goodness-of-fit and predictive accuracy shared random-effect models differing in the form of dependency between the PSA and the risk of clinical recurrence. Then we have evaluated and compared these two approaches of joint modelling. In a second study, we proposed a differential dynamic prognostic tool to evaluate the risk of clinical recurrence according to the initiation or not of a second treatment (an hormonal treatment) during the follow-up. In these works, validation of the prognostic tool was based on two measures of predictive accuracy: the Brier score and the prognostic cross-entropy. In a third study, we have described the PSA dynamics after a second treatment (hormonal) in patients initially treated by a radiation therapy alone
Vernerey, Dewi. "Méthodologie statistique pour la prédiction du risque et la construction de score pronostique en transplantation rénale et en oncologie : une pierre angulaire de la médecine de précision". Thesis, Besançon, 2016. http://www.theses.fr/2016BESA3004/document.
Pełny tekst źródłaPrognosis is historically a basic concept of medicine. Hippocrates already considered the prognosis of disease as the study of the past circumstances, the establishment of the present state of health and finally the prediction of future events. He presented the prognosis as the ability to interpret these elements and to adapt the prognosis regarding their relative values. Currently, the prognostic research is still based on the examination of the relationship between a well-established health condition at the time of the investigation and the occurrence of an event. The increase in life expectancy implies that more and more people are living with one or more diseases or with problems that can impair their health status. In this context, the study of the prognosis has never been more important. However, in comparison with the field of randomized clinical trials in which the CONSORT statement recommendations are implemented for more than 20 years in order to guarantee quality research, the prognostic research only begins to develop similar initiatives. Indeed, in 2015 the TRIPOD statement recommendations were provided and in 2013 a working group called PROGRESS was constituted in the United Kingdom and its members made the observation that prognostic researches are developed with considerable heterogeneity in the methodology used and unfortunately do not always meet the quality standards required to support their conclusions and their reproducibility (...)
Berthenet, Cyril. "Méthode computationnelle pour la prédiction de la mobilité des peptides et l'identification de leurs sites de phosphorylation par empreinte phospho-peptidique bidimensionnelle sur couche mince de cellulose". Montpellier 2, 2007. http://www.theses.fr/2007MON20198.
Pełny tekst źródłaTo date, one of the most important challenges in biology is to understand the molecular mechanisms which modulate and regulate cellular functions and in particular the role of protein post-translational modification. Contrary to the genome with is the same for each cell within an organism, proteomes vary dynamically according to cell type, cell physiology and through multi-site simultaneous post-translational modifications. In eukaryotic proteins, reversible phosphorylation is among the most important modifications and acts in modulating many cellular events including cell cycle transit, growth and differentiation. Approximately 30% of cellular proteins are susceptible to phosphorylation and around 30% of these proteins are phosphorylated at any given time. While metabolic labelling with [32P] provides a powerful and highly sensitive means to increase phospho-protein detection threshold, it is presently incompatible with mass spectrometry. We have therefore developed an alternative method for identifying proteins and post-translational modifications based on analysis of two dimensional tryptic peptide separation on thin layer cellulose plates. Peptides are separated by high voltage electrophoresis according to net charge and molecular mass before second dimension separation by physical-chemical characteristics in a water solvent exchange system using ascending chromatography. Phospho-peptide mobility is measured for each peptide in each dimension with the use of co-migrated marker peptides to calibrate peptide migrations and peptide identity established from an identity score derived from models calculating the predicted electrophoretic and chromatographic mobilities from the primary aminoacid sequence of the peptides. The success rate of this approach, which exceeds 98% on simple peptide mixtures, is estimated at 80% on whole protein digests. Moreover, we are able to specifically differentiate a same peptidic sequence containing phosphorylated, oxidized amino acids and/or exception trypsic sites
Części książek na temat "Score de prédiction"
Domblides, C., J. Mendiboure, G. Macgrogan, C. Tunon de Lara, P. Lagarde, C. Breton-Callu, V. Brouste i M. Debled. "Score prédictif de l’envahissement de la chaîne mammaire interne et/ou sus-claviculaire dans les cancers du sein des quadrants internes N0 : aide à la décision pour la radiothérapie". W Acquis et limites en sénologie / Assets and limits in breast diseases, 500–502. Paris: Springer Paris, 2013. http://dx.doi.org/10.1007/978-2-8178-0396-8_119.
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