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1.
Can J Anaesth ; 70(8): 1340-1349, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-37430180

RESUMO

PURPOSE: Patients with impaired functional capacity who undergo major surgery are at increased risk of postoperative morbidity including complications and increased length of stay. These outcomes have been associated with increased hospital and health system costs. We aimed to assess whether common preoperative risk indices are associated with postoperative cost. METHODS: We conducted a health economic analysis focused on the subset of Measurement of Exercise Tolerance before Surgery (METS) study participants in Ontario, Canada. Participants were scheduled for major elective noncardiac surgery and underwent several preoperative assessments of cardiac risk, including physicians' subjective assessment, Duke Activity Status Index (DASI) questionnaire, peak oxygen consumption, and N-terminal pro-B-type natriuretic peptide concentration. Using linked health administrative data, postoperative costs were calculated for both one year and in-hospital. Using multiple regression models, we tested for association between the preoperative measures of cardiac risk and postoperative costs. RESULTS: Our study included 487 patients (mean [standard deviation] age 68 [11] yr and 47.0% female) who underwent noncardiac surgery between 13 June 2013 and 8 March 2016. Overall, the median [interquartile range] cost incurred within one year postoperatively was CAD 27,587 [13,902-32,590], of which CAD 12,928 [10,253-12,810] were incurred in-hospital and CAD 14,497 [10,917-15,017] were incurred by 30 days. None of the four preoperative measures of cardiac risk assessment were associated with costs incurred in hospital or at one year postoperatively. This lack of strong association persisted in sensitivity analyses considering type of surgical procedure, burden of preoperative cost, and when costs were categorized as quantiles. CONCLUSION: In patients undergoing major noncardiac surgery, common measures of functional capacity are not consistently associated with total postoperative cost. Until further data exist that differ from this analysis, clinicians and health care funders should not assume that preoperative measures of cardiac risk are associated with annual health care or hospital costs for such surgeries.


RéSUMé: OBJECTIF: La patientèle présentant une capacité fonctionnelle dégradée qui bénéficie d'une intervention chirurgicale majeure court un risque accru de morbidité postopératoire, y compris de complications et de prolongation de la durée de séjour. Ces issues ont été associées à une augmentation des coûts hospitaliers et du système de santé. Notre objectif était d'évaluer si des indices de risque préopératoires communs étaient associés aux coûts postopératoires. MéTHODE: Nous avons effectué une analyse de l'économie de la santé axée sur le sous-ensemble des participant·es à l'étude METS (Measurement of Exercise Tolerance before Surgery) en Ontario, au Canada. Les participant·es devaient bénéficier d'une chirurgie non cardiaque et non urgente majeure et ont complété plusieurs évaluations préopératoires du risque cardiaque, notamment l'évaluation subjective des médecins, le questionnaire DASI (Duke Activity Status Index), la consommation maximale d'oxygène et la concentration de prohormone N-terminale du peptide natriurétique de type B (cérébral) (NT-proBNP). À l'aide de données administratives couplées de santé, les coûts postopératoires ont été calculés à la fois pour une année et à l'hôpital. À l'aide de modèles de régression multiples, nous avons testé l'association entre les mesures préopératoires du risque cardiaque et les coûts postopératoires. RéSULTATS: Notre étude a inclus 487 personnes (âge moyen [écart type] 68 [11] ans et 47,0 % de femmes) ayant bénéficié d'une chirurgie non cardiaque entre le 13 juin 2013 et le 8 mars 2016. Dans l'ensemble, le coût médian [écart interquartile] engagé dans l'année qui a suivi l'opération était de 27 587 CAD [13 902­32 590], dont 12 928 CAD [10 253­12 810] ont été encourus à l'hôpital et 14 497 CAD [10 917­15 017] ont été encourus dans les premiers 30 jours. Aucune des quatre mesures préopératoires de l'évaluation du risque cardiaque n'était associée aux coûts engagés à l'hôpital ou un an après l'opération. Cette absence d'association forte persistait dans les analyses de sensibilité tenant compte du type d'intervention chirurgicale, du fardeau des coûts préopératoires et lorsque les coûts étaient classés en quantiles. CONCLUSION: Chez la patientèle bénéficiant d'une chirurgie non cardiaque majeure, les mesures courantes de la capacité fonctionnelle ne sont pas systématiquement associées au coût postopératoire total. Jusqu'à ce qu'il existe d'autres données qui diffèrent de cette analyse, les cliniciens et cliniciennes et les organismes finançant les soins de santé ne devraient pas présumer que les mesures préopératoires du risque cardiaque sont associées aux coûts annuels des soins de santé ou des hôpitaux pour de telles chirurgies.


Assuntos
Procedimentos Cirúrgicos Eletivos , Complicações Pós-Operatórias , Humanos , Feminino , Idoso , Masculino , Complicações Pós-Operatórias/epidemiologia , Medição de Risco , Ontário/epidemiologia , Custos de Cuidados de Saúde , Cuidados Pré-Operatórios/métodos
2.
Crit Care Explor ; 5(4): e0892, 2023 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-37007904

RESUMO

To evaluate the efficacy and cost-effectiveness of high-flow nasal cannula (HFNC) when compared with noninvasive positive pressure ventilation (NIPPV) in patients with acute hypoxic respiratory failure (AHRF). DATA SOURCES: We performed a comprehensive search of MEDLINE, Embase, CINAHL, the Cochrane library, and the international Health Technology Assessment database from inception to September 14, 2022. STUDY SELECTION: We included randomized control studies that compared HFNC to NIPPV in adult patients with AHRF. For clinical outcomes, we included only parallel group and crossover randomized control trials (RCTs). For economic outcomes, we included any study design that evaluated cost-effectiveness, cost-utility, or cost benefit analyses. DATA EXTRACTION: Clinical outcomes of interest included intubation, mortality, ICU and hospital length of stay (LOS), and patient-reported dyspnea. Economic outcomes of interest included costs, cost-effectiveness, and cost-utility. DATA SYNTHESIS: We included nine RCTs (n = 1,539 patients) and one cost-effectiveness study. Compared with NIPPV, HFNC may have no effect on the need for intubation (relative risk [RR], 0.93; 95% CI, 0.69-1.27; low certainty) and an uncertain effect on mortality (RR, 0.84; 95% CI, 0.59-1.21; very low certainty). In subgroup analysis, NIPPV delivered through the helmet interface-as opposed to the facemask interface-may reduce intubation compared with HFNC (p = 0.006; moderate credibility of subgroup effect). There was no difference in ICU or hospital LOS (both low certainty) and an uncertain effect on patient-reported dyspnea (very low certainty). We could make no conclusions regarding the cost-effectiveness of HFNC compared with NIPPV. CONCLUSIONS: HFNC and NIPPV may be similarly effective at reducing the need for intubation with an uncertain effect on mortality in hospitalized patients with hypoxemic respiratory failure. More research evaluating different interfaces in varying clinical contexts is needed to improve generalizability and precision of findings.

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