37 research outputs found
Analyses médico-économiques de la prise en charge de la maladie coronarienne stable (méta-analyse en réseau et modélisation)
La maladie coronaire stable est une maladie chronique pour laquelle de nombreuses stratégies thérapeutiques sont disponibles, dont le traitement par médicaments seuls et les traitements invasifs par angioplastie avec stent ou par pontage aortocoronaire. Face aux résultats de plusieurs méta-analyses mettant en évidence un taux de mortalité comparable entre ces traitements, nous avons décidé d effectuer un travail de recherche comparant leurs coûts. Dans la première partie de mon travail, nous avons comparé, après une période de un an et une autre de 3 ans de suivi des patients, les données cliniques et économiques publiées pour 5 traitements de l angor stable : les médicaments seuls, le pontage aortocoronaire, l angioplastie sans stent, l angioplastie avec stent nu et l angioplastie avec stent actif. La mortalité et le taux d IDM étaient nos critères de jugement clinique. Les coûts directs, liés au traitement effectué et liés à la prise en charge des éventuelles complications, ont été uniformisés via la parité de pouvoir d achat et exprimés en US et 13 854 US après un an et 28 670 US 2008. It was our criterion for economic analysis. A total of 19 clinical studies have been selected in our network meta-analysis. Our results show there is no significant difference in clinical end point. In contrast, we observed a difference in the average cost of each treatment after one year and three year follow-up. The least expensive treatment was the only treatment with drugs, after a year and 3 years of follow-up, each with an average cost per patient of U.S. 13,854. The highest average cost has been obtained with the treatment coronary artery bypass graft: U.S. 28,670 after 3 years of follow-up. However, our conclusions are limited due to the high variability of the economic methods used in the selected studies and because of the evolution of revascularization techniques. In the second part of my research work, we calculated the cost of management of stable angina pectoris patients treated with one of the following four treatment strategies: medication alone, coronary artery bypass graft, angioplasty with bare metal stent and angioplasty with stent active. We defined a part 6 clinical situations corresponding to the possible clinical conditions of the patient one year after the treatment. We have defined the quantities of care consumed for each of these clinical situations. The perspective selected was the statutory health insurance in 2011. The calculated costs were related to hospitalization, ambulatory care and medical transport used to reach the hospital. The drug strategy was the least expensive with an average annual cost of EUR 1,518, the cost taking into account the probability of occurrence of 6 clinical conditions. Treatment with coronary artery bypass graft was the most expensive of the four treatments studied, with an average annual cost of EUR 15,237. The prospect of my work is to model the management of stable angina pectoris patient considering a second treatment if the first treatment led to a situation of treatment failure. The trees we built then allow us to perform a cost-effectiveness analysis of two strategies with a total duration of patient follow-up of 2 years. Finally, if our work highlights the economic benefits of drug treatment, we emphasize that these results are obtained after following patients over a short period (1 year and 3 years), while stable angina is a chronic disease where therapeutic strategies may succeed in case of failure to one of the treatments. In addition, we keep in mind that the choice of treatment, whether conservative or by drugs, by invasive myocardial revascularization should be done individually, i.e. taking into account the individual characteristics of each patient.PARIS5-Bibliotheque electronique (751069902) / SudocSudocFranceF
Analyses médico-économiques de la prise en charge de la maladie coronarienne stable (méta-analyse en réseau et modélisation)
La maladie coronaire stable est une maladie chronique pour laquelle de nombreuses stratégies thérapeutiques sont disponibles, dont le traitement par médicaments seuls et les traitements invasifs par angioplastie avec stent ou par pontage aortocoronaire. Face aux résultats de plusieurs méta-analyses mettant en évidence un taux de mortalité comparable entre ces traitements, nous avons décidé d effectuer un travail de recherche comparant leurs coûts. Dans la première partie de mon travail, nous avons comparé, après une période de un an et une autre de 3 ans de suivi des patients, les données cliniques et économiques publiées pour 5 traitements de l angor stable : les médicaments seuls, le pontage aortocoronaire, l angioplastie sans stent, l angioplastie avec stent nu et l angioplastie avec stent actif. La mortalité et le taux d IDM étaient nos critères de jugement clinique. Les coûts directs, liés au traitement effectué et liés à la prise en charge des éventuelles complications, ont été uniformisés via la parité de pouvoir d achat et exprimés en US et 13 854 US après un an et 28 670 US 2008. It was our criterion for economic analysis. A total of 19 clinical studies have been selected in our network meta-analysis. Our results show there is no significant difference in clinical end point. In contrast, we observed a difference in the average cost of each treatment after one year and three year follow-up. The least expensive treatment was the only treatment with drugs, after a year and 3 years of follow-up, each with an average cost per patient of U.S. 13,854. The highest average cost has been obtained with the treatment coronary artery bypass graft: U.S. 28,670 after 3 years of follow-up. However, our conclusions are limited due to the high variability of the economic methods used in the selected studies and because of the evolution of revascularization techniques. In the second part of my research work, we calculated the cost of management of stable angina pectoris patients treated with one of the following four treatment strategies: medication alone, coronary artery bypass graft, angioplasty with bare metal stent and angioplasty with stent active. We defined a part 6 clinical situations corresponding to the possible clinical conditions of the patient one year after the treatment. We have defined the quantities of care consumed for each of these clinical situations. The perspective selected was the statutory health insurance in 2011. The calculated costs were related to hospitalization, ambulatory care and medical transport used to reach the hospital. The drug strategy was the least expensive with an average annual cost of EUR 1,518, the cost taking into account the probability of occurrence of 6 clinical conditions. Treatment with coronary artery bypass graft was the most expensive of the four treatments studied, with an average annual cost of EUR 15,237. The prospect of my work is to model the management of stable angina pectoris patient considering a second treatment if the first treatment led to a situation of treatment failure. The trees we built then allow us to perform a cost-effectiveness analysis of two strategies with a total duration of patient follow-up of 2 years. Finally, if our work highlights the economic benefits of drug treatment, we emphasize that these results are obtained after following patients over a short period (1 year and 3 years), while stable angina is a chronic disease where therapeutic strategies may succeed in case of failure to one of the treatments. In addition, we keep in mind that the choice of treatment, whether conservative or by drugs, by invasive myocardial revascularization should be done individually, i.e. taking into account the individual characteristics of each patient.PARIS5-Bibliotheque electronique (751069902) / SudocSudocFranceF
Chronology of prescribing error during the hospital stay and prediction of pharmacist's alerts overriding: a prospective analysis
<p>Abstract</p> <p>Background</p> <p>Drug prescribing errors are frequent in the hospital setting and pharmacists play an important role in detection of these errors. The objectives of this study are (1) to describe the drug prescribing errors rate during the patient's stay, (2) to find which characteristics for a prescribing error are the most predictive of their reproduction the next day despite pharmacist's alert (<it>i.e</it>. override the alert).</p> <p>Methods</p> <p>We prospectively collected all medication order lines and prescribing errors during 18 days in 7 medical wards' using computerized physician order entry. We described and modelled the errors rate according to the chronology of hospital stay. We performed a classification and regression tree analysis to find which characteristics of alerts were predictive of their overriding (<it>i.e</it>. prescribing error repeated).</p> <p>Results</p> <p>12 533 order lines were reviewed, 117 errors (errors rate 0.9%) were observed and 51% of these errors occurred on the first day of the hospital stay. The risk of a prescribing error decreased over time. 52% of the alerts were overridden (<it>i.e </it>error uncorrected by prescribers on the following day. Drug omissions were the most frequently taken into account by prescribers. The classification and regression tree analysis showed that overriding pharmacist's alerts is first related to the ward of the prescriber and then to either Anatomical Therapeutic Chemical class of the drug or the type of error.</p> <p>Conclusions</p> <p>Since 51% of prescribing errors occurred on the first day of stay, pharmacist should concentrate his analysis of drug prescriptions on this day. The difference of overriding behavior between wards and according drug Anatomical Therapeutic Chemical class or type of error could also guide the validation tasks and programming of electronic alerts.</p
Evaluation of drug administration errors in a teaching hospital
<p>Abstract</p> <p>Background</p> <p>Medication errors can occur at any of the three steps of the medication use process: prescribing, dispensing and administration. We aimed to determine the incidence, type and clinical importance of drug administration errors and to identify risk factors.</p> <p>Methods</p> <p>Prospective study based on disguised observation technique in four wards in a teaching hospital in Paris, France (800 beds). A pharmacist accompanied nurses and witnessed the preparation and administration of drugs to all patients during the three drug rounds on each of six days per ward. Main outcomes were number, type and clinical importance of errors and associated risk factors. Drug administration error rate was calculated with and without wrong time errors. Relationship between the occurrence of errors and potential risk factors were investigated using logistic regression models with random effects.</p> <p>Results</p> <p>Twenty-eight nurses caring for 108 patients were observed. Among 1501 opportunities for error, 415 administrations (430 errors) with one or more errors were detected (27.6%). There were 312 wrong time errors, ten simultaneously with another type of error, resulting in an error rate without wrong time error of 7.5% (113/1501). The most frequently administered drugs were the cardiovascular drugs (425/1501, 28.3%). The highest risks of error in a drug administration were for dermatological drugs. No potentially life-threatening errors were witnessed and 6% of errors were classified as having a serious or significant impact on patients (mainly omission). In multivariate analysis, the occurrence of errors was associated with drug administration route, drug classification (ATC) and the number of patient under the nurse's care.</p> <p>Conclusion</p> <p>Medication administration errors are frequent. The identification of its determinants helps to undertake designed interventions.</p
Overview of the current use of levosimendan in France: a prospective observational cohort study
Abstract Background Following the results of randomized controlled trials on levosimendan, French health authorities requested an update of the current use and side-effects of this medication on a national scale. Method The France-LEVO registry was a prospective observational cohort study reflecting the indications, dosing regimens, and side-effects of levosimendan, as well as patient outcomes over a year. Results The patients included ( n = 602) represented 29.6% of the national yearly use of levosimendan in France. They were treated for cardiogenic shock ( n = 250, 41.5%), decompensated heart failure ( n = 127, 21.1%), cardiac surgery-related low cardiac output prophylaxis and/or treatment ( n = 86, 14.3%), and weaning from veno-arterial extracorporeal membrane oxygenation ( n = 82, 13.6%). They received 0.18 ± 0.07 µg/kg/min levosimendan over 26 ± 8 h. An initial bolus was administered in 45 patients (7.5%), 103 (17.1%) received repeated infusions, and 461 (76.6%) received inotropes and or vasoactive agents concomitantly. Hypotension was reported in 218 patients (36.2%), atrial fibrillation in 85 (14.1%), and serious adverse events in 17 (2.8%). 136 patients (22.6%) died in hospital, and 26 (4.3%) during the 90-day follow-up. Conclusions We observed that levosimendan was used in accordance with recent recommendations by French physicians. Hypotension and atrial fibrillation remained the most frequent side-effects, while serious adverse event potentially attributable to levosimendan were infrequent. The results suggest that this medication was safe and potentially associated with some benefit in the population studied
Medico-economic analysis of the management of stable coronary artery disease : meta-analysis and network modeling
La maladie coronaire stable est une maladie chronique pour laquelle de nombreuses stratégies thérapeutiques sont disponibles, dont le traitement par médicaments seuls et les traitements invasifs par angioplastie avec stent ou par pontage aortocoronaire. Face aux résultats de plusieurs méta-analyses mettant en évidence un taux de mortalité comparable entre ces traitements, nous avons décidé d’effectuer un travail de recherche comparant leurs coûts. Dans la première partie de mon travail, nous avons comparé, après une période de un an et une autre de 3 ans de suivi des patients, les données cliniques et économiques publiées pour 5 traitements de l’angor stable : les médicaments seuls, le pontage aortocoronaire, l’angioplastie sans stent, l’angioplastie avec stent nu et l’angioplastie avec stent actif. La mortalité et le taux d’IDM étaient nos critères de jugement clinique. Les coûts directs, liés au traitement effectué et liés à la prise en charge des éventuelles complications, ont été uniformisés via la parité de pouvoir d’achat et exprimés en US dollars 2008. Il s’agissait de notre critère de jugement économique. Un total de 19 études cliniques a été retenu dans notre méta-analyse en réseau. Nos résultats mettent en évidence une absence de différence significative sur le critère clinique. En revanche, nous avons observé une différence concernant le coût moyen de chaque traitement après un an et 3 ans de suivi. Le traitement le moins onéreux était le traitement par médicaments seuls, après un an et 3 ans de suivi, avec respectivement un coût moyen par patient de 3 069 US dollars et 13 854 US dollars. Le coût moyen le plus élevé a toujours été obtenu avec le traitement par pontage aortocoronaire : 27 003 US dollars après un an et 28 670 US dollars après 3 ans de suivi. Cependant, nos conclusions sont limitées d’une part, par la variabilité des méthodes économiques utilisées dans les études sélectionnées dans notre méta-analyse et, d’autre part, par l’évolution des traitements dans le temps. Dans la seconde partie de mon travail de recherche, nous avons calculé le coût de prise en charge d’un patient angoreux stable traité par l’une des 4 stratégies thérapeutiques suivantes : médicaments seuls, pontage aortocoronaire, angioplastie avec stent nu et angioplastie avec stent actif. Pour se faire, nous avons défini d’une part 6 situations cliniques correspondant aux possibles états cliniques du patient un an après l’instauration du traitement étudié et, d’autre part, déterminé les quantités de soins consommés pour chacune de ces situations cliniques. La perspective retenue était celle de l’Assurance Maladie. Les coûts calculés étaient liés aux hospitalisations, aux soins ambulatoires et aux moyens de transport utilisés pour accéder à l’hôpital. La stratégie médicamenteuse était la moins onéreuse avec un coût moyen annuel de 1 518 € ; ce coût prenant en compte les probabilités de survenue des 6 états cliniques. Le traitement par pontage aortocoronaire était le plus onéreux des 4 traitements étudiés, avec un coût moyen annuel de 15 237 €. La perspective de mes travaux est de modéliser la prise en charge d’un patient angoreux stable en envisageant un second traitement si le premier traitement effectué conduit à une situation d’échec thérapeutique. Les arbres que nous avons construits nous permettront ensuite d’effectuer une analyse coût-efficacité de deux stratégies thérapeutiques avec une durée totale de suivi des patients de 2 ans. Enfin, si nos travaux mettent en avant l’intérêt économique du traitement par médicaments, nous soulignons que ces résultats sont obtenus après avoir suivi les patients sur une courte durée (études à un an et à 3 ans), alors que l’angor stable est une maladie chronique où les stratégies thérapeutiques peuvent se succéder en cas d’échec à l’un des traitements...Stable coronary artery disease is a chronic disease for which many treatment strategies are available, treatment with drugs alone and invasive treatment by stenting or coronary artery bypass graft. With the results of several meta-analyzes showing a mortality rate comparable between treatments, we decided to conduct a research comparing costs. In the first part of my work, we compared, after a period of one year and of 3 years of patient follow-up, clinical and economic data for five treatment of stable angina: medication alone, coronary artery bypass graft, angioplasty without stent, angioplasty with bare metal stent and angioplasty with drug-eluting stent. Mortality and MI rates were our clinical end point. Direct costs related to the treatment performed and related to the management of complications, have been standardized using the purchasing power parity and expressed in U.S. dollars 2008. It was our criterion for economic analysis. A total of 19 clinical studies have been selected in our network meta-analysis. Our results show there is no significant difference in clinical end point. In contrast, we observed a difference in the average cost of each treatment after one year and three year follow-up. The least expensive treatment was the only treatment with drugs, after a year and 3 years of follow-up, each with an average cost per patient of 3,069 U.S. dollars and 13,854 U.S. dollars . The highest average cost has been obtained with the treatment coronary artery bypass graft: 27,003 U.S. dollars after one year and 28,670 U.S. dollars after 3 years of follow-up. However, our conclusions are limited due to the high variability of the economic methods used in the selected studies and because of the evolution of revascularization techniques. In the second part of my research work, we calculated the cost of management of stable angina pectoris patients treated with one of the following four treatment strategies: medication alone, coronary artery bypass graft, angioplasty with bare metal stent and angioplasty with stent active. We defined a part 6 clinical situations corresponding to the possible clinical conditions of the patient one year after the treatment. We have defined the quantities of care consumed for each of these clinical situations. The perspective selected was the statutory health insurance in 2011. The calculated costs were related to hospitalization, ambulatory care and medical transport used to reach the hospital. The drug strategy was the least expensive with an average annual cost of € 1,518, the cost taking into account the probability of occurrence of 6 clinical conditions. Treatment with coronary artery bypass graft was the most expensive of the four treatments studied, with an average annual cost of € 15,237. The prospect of my work is to model the management of stable angina pectoris patient considering a second treatment if the first treatment led to a situation of treatment failure. The trees we built then allow us to perform a cost-effectiveness analysis of two strategies with a total duration of patient follow-up of 2 years. Finally, if our work highlights the economic benefits of drug treatment, we emphasize that these results are obtained after following patients over a short period (1 year and 3 years), while stable angina is a chronic disease where therapeutic strategies may succeed in case of failure to one of the treatments. In addition, we keep in mind that the choice of treatment, whether conservative or by drugs, by invasive myocardial revascularization should be done individually, i.e. taking into account the individual characteristics of each patient
Analyses médico-économiques de la prise en charge de la maladie coronarienne stable : méta-analyse en réseau et modélisation
Stable coronary artery disease is a chronic disease for which many treatment strategies are available, treatment with drugs alone and invasive treatment by stenting or coronary artery bypass graft. With the results of several meta-analyzes showing a mortality rate comparable between treatments, we decided to conduct a research comparing costs. In the first part of my work, we compared, after a period of one year and of 3 years of patient follow-up, clinical and economic data for five treatment of stable angina: medication alone, coronary artery bypass graft, angioplasty without stent, angioplasty with bare metal stent and angioplasty with drug-eluting stent. Mortality and MI rates were our clinical end point. Direct costs related to the treatment performed and related to the management of complications, have been standardized using the purchasing power parity and expressed in U.S. dollars 2008. It was our criterion for economic analysis. A total of 19 clinical studies have been selected in our network meta-analysis. Our results show there is no significant difference in clinical end point. In contrast, we observed a difference in the average cost of each treatment after one year and three year follow-up. The least expensive treatment was the only treatment with drugs, after a year and 3 years of follow-up, each with an average cost per patient of 3,069 U.S. dollars and 13,854 U.S. dollars . The highest average cost has been obtained with the treatment coronary artery bypass graft: 27,003 U.S. dollars after one year and 28,670 U.S. dollars after 3 years of follow-up. However, our conclusions are limited due to the high variability of the economic methods used in the selected studies and because of the evolution of revascularization techniques. In the second part of my research work, we calculated the cost of management of stable angina pectoris patients treated with one of the following four treatment strategies: medication alone, coronary artery bypass graft, angioplasty with bare metal stent and angioplasty with stent active. We defined a part 6 clinical situations corresponding to the possible clinical conditions of the patient one year after the treatment. We have defined the quantities of care consumed for each of these clinical situations. The perspective selected was the statutory health insurance in 2011. The calculated costs were related to hospitalization, ambulatory care and medical transport used to reach the hospital. The drug strategy was the least expensive with an average annual cost of € 1,518, the cost taking into account the probability of occurrence of 6 clinical conditions. Treatment with coronary artery bypass graft was the most expensive of the four treatments studied, with an average annual cost of € 15,237. The prospect of my work is to model the management of stable angina pectoris patient considering a second treatment if the first treatment led to a situation of treatment failure. The trees we built then allow us to perform a cost-effectiveness analysis of two strategies with a total duration of patient follow-up of 2 years. Finally, if our work highlights the economic benefits of drug treatment, we emphasize that these results are obtained after following patients over a short period (1 year and 3 years), while stable angina is a chronic disease where therapeutic strategies may succeed in case of failure to one of the treatments. In addition, we keep in mind that the choice of treatment, whether conservative or by drugs, by invasive myocardial revascularization should be done individually, i.e. taking into account the individual characteristics of each patient.La maladie coronaire stable est une maladie chronique pour laquelle de nombreuses stratégies thérapeutiques sont disponibles, dont le traitement par médicaments seuls et les traitements invasifs par angioplastie avec stent ou par pontage aortocoronaire. Face aux résultats de plusieurs méta-analyses mettant en évidence un taux de mortalité comparable entre ces traitements, nous avons décidé d’effectuer un travail de recherche comparant leurs coûts. Dans la première partie de mon travail, nous avons comparé, après une période de un an et une autre de 3 ans de suivi des patients, les données cliniques et économiques publiées pour 5 traitements de l’angor stable : les médicaments seuls, le pontage aortocoronaire, l’angioplastie sans stent, l’angioplastie avec stent nu et l’angioplastie avec stent actif. La mortalité et le taux d’IDM étaient nos critères de jugement clinique. Les coûts directs, liés au traitement effectué et liés à la prise en charge des éventuelles complications, ont été uniformisés via la parité de pouvoir d’achat et exprimés en US dollars 2008. Il s’agissait de notre critère de jugement économique. Un total de 19 études cliniques a été retenu dans notre méta-analyse en réseau. Nos résultats mettent en évidence une absence de différence significative sur le critère clinique. En revanche, nous avons observé une différence concernant le coût moyen de chaque traitement après un an et 3 ans de suivi. Le traitement le moins onéreux était le traitement par médicaments seuls, après un an et 3 ans de suivi, avec respectivement un coût moyen par patient de 3 069 US dollars et 13 854 US dollars. Le coût moyen le plus élevé a toujours été obtenu avec le traitement par pontage aortocoronaire : 27 003 US dollars après un an et 28 670 US dollars après 3 ans de suivi. Cependant, nos conclusions sont limitées d’une part, par la variabilité des méthodes économiques utilisées dans les études sélectionnées dans notre méta-analyse et, d’autre part, par l’évolution des traitements dans le temps. Dans la seconde partie de mon travail de recherche, nous avons calculé le coût de prise en charge d’un patient angoreux stable traité par l’une des 4 stratégies thérapeutiques suivantes : médicaments seuls, pontage aortocoronaire, angioplastie avec stent nu et angioplastie avec stent actif. Pour se faire, nous avons défini d’une part 6 situations cliniques correspondant aux possibles états cliniques du patient un an après l’instauration du traitement étudié et, d’autre part, déterminé les quantités de soins consommés pour chacune de ces situations cliniques. La perspective retenue était celle de l’Assurance Maladie. Les coûts calculés étaient liés aux hospitalisations, aux soins ambulatoires et aux moyens de transport utilisés pour accéder à l’hôpital. La stratégie médicamenteuse était la moins onéreuse avec un coût moyen annuel de 1 518 € ; ce coût prenant en compte les probabilités de survenue des 6 états cliniques. Le traitement par pontage aortocoronaire était le plus onéreux des 4 traitements étudiés, avec un coût moyen annuel de 15 237 €. La perspective de mes travaux est de modéliser la prise en charge d’un patient angoreux stable en envisageant un second traitement si le premier traitement effectué conduit à une situation d’échec thérapeutique. Les arbres que nous avons construits nous permettront ensuite d’effectuer une analyse coût-efficacité de deux stratégies thérapeutiques avec une durée totale de suivi des patients de 2 ans. Enfin, si nos travaux mettent en avant l’intérêt économique du traitement par médicaments, nous soulignons que ces résultats sont obtenus après avoir suivi les patients sur une courte durée (études à un an et à 3 ans), alors que l’angor stable est une maladie chronique où les stratégies thérapeutiques peuvent se succéder en cas d’échec à l’un des traitements..
Traitement du risque thromboembolique par anticoagulant oral et/ou antiagrégant plaquettaire après chirurgie par bioprothèse aortique (analyse d'un registre)
PARIS-BIUP (751062107) / SudocSudocFranceF