Why the study?
Does continuous spinal anaesthesia with minimally invasive haemodynamic monitoring provide stable haemodynamics in patients with severe aortic stenosis undergoing hip fracture repair?
Does continuous spinal anaesthesia with minimally invasive haemodynamic monitoring provide stable haemodynamics in patients with severe aortic stenosis undergoing hip fracture repair?
Continuous spinal anaesthesia with minimally invasive haemodynamic monitoring may be a valid alternative to general or epidural anaesthesia for lower limb surgery in patients with severe aortic stenosis.
Answers are grounded in this paper and cite their sources.
Supports feasibility of continuous spinal anaesthesia with monitoring in severe aortic stenosis; hypothesis-generating case report leaves comparative efficacy open.
Aortic stenosis increases perioperative morbidity and mortality, perioperative invasive monitoring is advised for patients with an aortic valve area <1.0 cm2 or a mean aortic valve gradient >30 mm Hg and it is important to avoid hypotension and arrhythmias. We report the anaesthetic management with continuous spinal anaesthesia and minimally invasive haemodynamic monitoring of two patients with severe aortic stenosis undergoing surgical hip repair. Two women with severe aortic stenosis were scheduled for hip fracture repair. Continuous spinal anaesthesia with minimally invasive haemodynamic monitoring was used for anaesthetic management of both. Surgery was performed successfully after two consecutive doses of 2 mg of isobaric bupivacaine 0.5% in one of them and four consecutive doses in the other. Haemodynamic conditions remained stable throughout the intervention. Vital signs and haemodynamic parameters remained stable throughout the two interventions. Our report illustrates the use of continuous spinal anaesthesia with minimally invasive haemodynamic monitoring as a valid alternative to general or epidural anaesthesia in two patients with severe aortic stenosis who are undergoing lower limb surgery. However, controlled clinical trials would be required to establish that this technique is safe and effective in these type or patients. A estenose aórtica aumenta a morbidade e mortalidade no período perioperatório. A monitoração invasiva no perioperatório é recomendada para pacientes com área valvar <1,0 cm2 ou gradiente médio >30 mm Hg, além de ser importante evitar a hipotensão e arritmias. Relatamos o manejo anestésico com o uso de raquianestesia contínua e monitoração hemodinâmica minimamente invasiva em duas pacientes com estenose aórtica grave, submetidas à cirurgia de reparação do quadril. Duas pacientes com estenose aórtica grave foram programadas para cirurgia de reparação de fratura de quadril. Raquianestesia contínua com monitoração hemodinâmica minimamente invasiva foi usada para o manejo anestésico de ambas as pacientes. A cirurgia foi realizada com sucesso após duas doses consecutivas de 2 mg de bupivacaína isobárica a 0,5% em uma das pacientes e quatro doses consecutivas na outra. As condições hemodinâmicas permaneceram estáveis durante a intervenção. Os sinais vitais e parâmetros hemodinâmicos permaneceram estáveis durante as duas intervenções. Nosso relato descreve o uso da raquianestesia contínua com monitoração hemodinâmica minimamente invasiva como uma alternativa válida para a anestesia geral ou peridural em duas pacientes com estenose aórtica grave, submetidas à cirurgia de membro inferior. Contudo, ensaios clínicos controlados são necessários para estabelecer que a técnica é segura e eficaz nesse tipo de pacientes.
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López et al. (2013) studied this question.
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