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1.
Can J Anaesth ; 70(8): 1381-1393, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-37380903

RESUMO

PURPOSE: Perioperative pulmonary hypertension (PH) is an independent risk factor for morbidity and mortality in cardiac surgery. While inhaled prostacyclins (iPGI2s) are an established treatment of chronic PH, data on the efficacy of iPGI2s in perioperative PH are scarce. METHODS: We searched PubMed, Embase, the Web of Science, CENTRAL, and the grey literature from inception until April 2021. We included randomized controlled trials investigating the use of iPGI2s in adult and pediatric patients undergoing cardiac surgery with an increased risk of perioperative right ventricle failure. We assessed the efficacy and safety of iPGI2s compared with placebo and other inhaled or intravenous vasodilators with random-effect meta-analyses. The primary outcome was mean pulmonary artery pressure (MPAP). Secondary outcomes included other hemodynamic parameters and mortality. RESULTS: Thirteen studies were included, comprising 734 patients. Inhaled prostacyclins significantly decreased MPAP compared with placebo (standardized effect size, 0.46; 95% confidence interval [CI], 0.11 to 0.87; P = 0.01) and to intravenous vasodilators (1.26; 95% CI, 0.03 to 2.49; P = 0.045). Inhaled prostacyclins significantly improved the cardiac index compared with intravenous vasodilators (1.53; 95% CI, 0.50 to 2.57; P = 0.004). In contrast, mean arterial pressure was significantly lower in patients treated with iPGI2s vs placebo (-0.39; 95% CI, -0.62 to 0.16; P = 0.001), but higher than in patients treated with intravenous vasodilators (0.81; 95% CI, 0.29 to 1.33; P = 0.002). With respect to hemodynamics, iPGI2s had similar effects as other inhaled vasodilators. Mortality was not affected by iPGI2s. CONCLUSION: The results of this systematic review and meta-analysis show that iPGI2s improved pulmonary hemodynamics with similar efficacy as other inhaled vasodilators, but caused a significant small decrease in arterial pressure when compared with placebo, indicating spill-over into the systemic circulation. These effects did not affect clinical outcomes. STUDY REGISTRATION DATE: PROSPERO (CRD42021237991); registered 26 May 2021.


RéSUMé: OBJECTIF: L'hypertension pulmonaire (HTAP) périopératoire est un facteur de risque indépendant de morbidité et de mortalité en chirurgie cardiaque. Bien que l'inhalation de prostacyclines (iPGI2) constitue un traitement établi de l'HTAP chronique, les données sur l'efficacité de ce traitement en cas d'HTAP périopératoire sont rares. MéTHODE: Nous avons effectué des recherches dans les bases de données PubMed, Embase, Web of Science, CENTRAL et dans la littérature grise depuis leur création jusqu'en avril 2021. Nous avons inclus des études randomisées contrôlées portant sur l'utilisation de l'iPGI2 chez la patientèle adulte et pédiatrique bénéficiant d'une chirurgie cardiaque avec un risque accru d'insuffisance ventriculaire droite périopératoire. Nous avons évalué l'efficacité et l'innocuité des iPGI2 par rapport à un placebo et à d'autres vasodilatateurs inhalés ou intraveineux avec des méta-analyses à effets aléatoires. Le critère d'évaluation principal était la pression artérielle pulmonaire moyenne (PAPm). Les critères d'évaluation secondaires incluaient d'autres paramètres hémodynamiques et la mortalité. RéSULTATS: Treize études portant sur 734 patient·es ont été incluses. Les prostacyclines inhalées ont diminué de manière significative la PAPm par rapport au placebo (taille d'effet standardisée, 0,46; intervalle de confiance [IC] à 95 %, 0,11 à 0,87; P = 0,01) et aux vasodilatateurs intraveineux (1,26; IC 95 %, 0,03 à 2,49; P = 0,045). Les prostacyclines inhalées ont significativement amélioré l'index cardiaque par rapport aux vasodilatateurs intraveineux (1,53; IC 95 %, 0,50 à 2,57; P = 0,004). En revanche, la pression artérielle moyenne était significativement plus faible chez les patient·es traité·es par iPGI2 vs placebo (−0,39; IC 95 %, −0,62 à 0,16; P = 0,001), mais plus élevée que chez les personnes traitées par vasodilatateurs intraveineux (0,81; IC 95 %, 0,29 à 1,33; P = 0,002). En ce qui concerne l'hémodynamie, les iPGI2 ont eu des effets similaires à ceux des autres vasodilatateurs inhalés. La mortalité n'a pas été affectée par les iPGI2. CONCLUSION: Les résultats de cette revue systématique et méta-analyse montrent que les iPGI2 ont amélioré l'hémodynamie pulmonaire avec une efficacité similaire à celle des autres vasodilatateurs inhalés, mais ont entraîné une diminution légère mais significative de la pression artérielle par rapport au placebo, indiquant un débordement dans la circulation systémique. Ces effets n'ont pas affecté les résultats cliniques. ENREGISTREMENT DE L'éTUDE: PROSPERO (CRD42021237991); enregistrée le 26 mai 2021.


Assuntos
Procedimentos Cirúrgicos Cardíacos , Hipertensão Pulmonar , Adulto , Humanos , Criança , Iloprosta , Prostaglandinas I/uso terapêutico , Administração por Inalação , Vasodilatadores/uso terapêutico , Hipertensão Pulmonar/tratamento farmacológico , Procedimentos Cirúrgicos Cardíacos/efeitos adversos
2.
Curr Opin Anaesthesiol ; 33(3): 272-276, 2020 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-32371644

RESUMO

PURPOSE OF REVIEW: Simulation training (crew resource management training and scenario training) has become an important tool in the education of anesthesiologists. This review summarizes recent research performed in this area, focusing more specifically on obstetric anesthesia. RECENT FINDINGS: Simulation training is becoming more integrated in the modern education of anesthesiologists. Research regarding the most effective way to perform simulation training in terms of learning outcomes and long-term skill retention has started to appear. Scenarios which are played independently and that allow for simulated mortality, as well as relaxation techniques before debriefing might have positive effects in this regard. Furthermore, simulation has been investigated as a tool to improve patient safety in low-resource settings. In addition, simulation training in the domain of obstetrics has been rapidly expanding and has an important role in this field of medicine as well. SUMMARY: Simulation training has acquired a central role in modern education of anesthesiologists. Further research regarding elements to optimize simulation training in terms of learning outcomes and long-term skill retention is desirable. In addition, little data exist concerning the effect of simulation training on possible improvement of patient outcomes in anesthesia.


Assuntos
Anestesia Obstétrica , Anestesiologia , Obstetrícia , Simulação de Paciente , Treinamento por Simulação , Competência Clínica , Feminino , Humanos , Gravidez
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