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1.
Can J Neurol Sci ; 47(1): 50-60, 2020 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-31587672

RESUMO

OBJECTIVE: Endovascular thrombectomy (EVT) is efficacious for ischemic stroke caused by proximal intracranial large-vessel occlusion involving the anterior cerebral circulation. However, evidence of its cost-effectiveness, especially in a real-world setting, is limited. We assessed whether EVT ± tissue plasminogen activator (tPA) was cost-effective when compared with standard care ± tPA at our center. METHOD: We identified patients treated with EVT ± tPA after the Endovascular treatment for Small Core and Anterior circulation Proximal occlusion with Emphasis on minimizing computed tomography to recanalization times trial from our prospective stroke registry from February 1, 2013 to January 31, 2017. Patients admitted before February 2013 and treated with standard care ± tPA constitute the controls. The sample size was 88. Cost-effectiveness was assessed using the net monetary benefit (NMB). Differences in average costs and quality-adjusted life years (QALYs) were estimated using the augmented inverse probability weighted estimator. We accounted for sampling and methodological uncertainty in sensitivity analyses. RESULTS: Patients treated with EVT ± tPA had a net gain of 2.89 [95% confidence interval (CI): 0.93-4.99] QALYs at an additional cost of $22,200 (95% CI: -28,902-78,244) per patient compared with the standard care ± tPA group. The NMB was $122,300 (95% CI: -4777-253,133) with a 0.85 probability of being cost-effective. The expected savings to the healthcare system would amount to $321,334 per year. CONCLUSION: EVT ± tPA had higher costs and higher QALYs compared with the control, and is likely to be cost-effective at a willingness-to-pay threshold of $50,000 per QALY.


Analyse coût-efficacité de la thrombectomie endovasculaire dans un contexte réel. Objectif : La thrombectomie endovasculaire (TE) est efficace dans le cas d'accidents ischémiques cérébraux (AIC) causés par une occlusion proximale de l'artère cérébrale antérieure. Toutefois, les preuves d'un bon rapport coût-efficacité, particulièrement dans le cadre d'une pratique réelle, demeurent limitées. Nous avons ainsi évalué au sein de notre établissement dans quelle mesure la thrombectomie endovasculaire jumelée à un traitement au moyen d'un activateur tissulaire du plasminogène (t-PA) étaient davantage rentables en comparaison avec des soins usuels également jumelés à un traitement de t-PA. Méthodes : En consultant nos registres prospectifs, nous avons identifié des patients traités par une thrombectomie endovasculaire jumelée à un traitement de t-PA après avoir subi, du 1er février 2013 au 31 janvier 2017, un traitement endovasculaire destiné à un petit AVC central et ischémique à occlusion proximale avec un accent mis sur la minimisation du temps de recanalisation par tomodensitométrie. Les patients hospitalisés avant février 2013 et auxquels des soins usuels avaient été prodigués de concert avec l'administration d'un t-PA ont fait partie de notre groupe témoin. Au total, notre échantillon était formé de 88 patients. Nous avons évalué le rapport coût-efficacité au moyen du concept d'avantage monétaire net (AMN). Nous avons également estimé les différences en ce qui concerne les coûts moyens et l'indicateur QALY (quality-adjusted life years) en faisant appel à un estimateur pondéré par l'inverse de la probabilité inverse (augmented inverse probability weighted estimator). Enfin, nous avons tenu compte de l'incertitude de notre échantillonnage et de nos choix méthodologiques dans nos analyses de sensibilité. Résultats : Les patients traités par thrombectomie endovasculaire et l'administration d'un t-PA ont donné à voir un gain net de 2,89 années selon l'indicateur QALY (IC 95 % : 0,93 ­ 4,99) pour un coût additionnel de 22 200 $ (IC 95 % : −28,902 ­ 78,244) par patient si on les compare à notre groupe témoin. L'AMN s'est quant à lui élevé à 122 300 $ (IC 95 % : −4 777 ­ 253 133), sa probabilité d'être rentable atteignant 0,85. À cet égard, les économies annuelles pour le système de soins de santé pourraient atteindre les 321 334 $. Conclusion : Il appert que la thrombectomie endovasculaire jumelée à un traitement de t-PA entraînent des coûts plus élevés et un meilleur indicateur QALY en comparaison avec notre groupe témoin. Il est probable qu'une telle approche soit rentable en vertu d'un seuil de disposition à payer (willingness-to-pay threshold) avoisinant les 50 000 $ par année selon le QALY.

2.
Midwifery ; 77: 144-154, 2019 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-31330402

RESUMO

OBJECTIVES: To compare neonatal and maternal outcomes, and the relative risk of interventions between mothers attended to by midwives, general practitioners, and obstetricians, and to assess the cost-effectiveness of the employee-model of midwifery-led care in Nova Scotia, Canada, when compared with general practitioners. DESIGN, SETTING, AND PARTICIPANTS: The study was a retrospective cohort study involving routinely collected clinical and administrative data from all low-risk births from January 1st, 2013 to December 31st, 2017. There were 24,662 observations. MEASUREMENTS: Descriptive statistics were used to summarise the mother's socio-demographic characteristics. We used a nearest-neighbour matching estimator in assessing differences in outcomes, and generalized linear models in the estimation of the risks of interventions, adjusting for potential confounders. An analytic decision tree served as the vehicle for the cost-effectiveness analysis, assessed using the net monetary benefit approach. All health care resources utilized were measured and valued. Neonatal intensive care admissions avoided was the measure of outcome. We performed probabilistic sensitivity and subgroup analyses. FINDINGS: Mothers attended to by midwives spent less time at the hospital during birth admissions, were less likely to have interventions, instrumental births, and more likely to have exclusive breastfeeding at discharge from birth admission. There were no differences in Apgar scores and neonatal intensive care unit admissions. The employee-model of midwifery-led care was found to be cost-effective. KEY CONCLUSIONS: The midwifery program is both effective and cost-effective for low-risk pregnancies IMPLICATIONS FOR PRACTICE: Increasing the number of midwives will increase access and represents value for money.


Assuntos
Análise Custo-Benefício/normas , Tocologia/métodos , Padrões de Prática em Enfermagem/normas , Qualidade da Assistência à Saúde/normas , Adulto , Estudos de Coortes , Análise Custo-Benefício/estatística & dados numéricos , Feminino , Humanos , Recém-Nascido , Tocologia/organização & administração , Tocologia/estatística & dados numéricos , Nova Escócia , Padrões de Prática em Enfermagem/organização & administração , Padrões de Prática em Enfermagem/estatística & dados numéricos , Gravidez , Qualidade da Assistência à Saúde/estatística & dados numéricos , Estudos Retrospectivos
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