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Minerva Anestesiologica 2012 March;78(3):381-4


lingua: Inglese

Extracorporeal carbon dioxyde removal for additional pulmonary resection after pneumonectomy

Iacovazzi M. 1, Oreste N. 1, Sardelli P. 2, Barrettara B. 2, Grasso S. 3

1 Unit of Anesthesia and Resuscitation, Local Health Unit Bari, San Paolo Hospital, Bari, Italy; 2 Unit of Thoracic Surgery, Local Health Unit Bari, San Paolo Hospital, Bari, Italy; 3 Unit of Anesthesiology and Resuscitation, Department of Emergency and Organ Transplantation, Aldo Moro University, Policlinic University Hospital, Bari, Italy


Additional pulmonary surgery in a previously pneumonectomized patient requires apnea during surgical manipulation of the surviving lung. We report on a novel approach to manage the intraoperative apnea period, combining apneic oxygenation and minimally invasive, low flow extracorporeal CO2 removal. A 69-year-old man previously submitted to left pneumonectomy was scheduled for wedge resection of a single right upper lobe lesion. During the intraoperative apnea period, oxygenation was maintained through apneic oxygenation with continuous positive airway pressure (CPAP) of 5 cmH2O and inspiratory oxygen fraction (FiO2) of 1 and respiratory acidosis was prevented through extracorporeal CO2 removal, performed with the Decap® system (Hemodec, Salerno, Italy), a veno¬venous pump-driven extracorporeal circuit including a neonatal membrane lung. The extracorporeal circuit was connected to the right femoral vein, accessed via a 14 Fr double lumen catheter. The blood flow through the circuit was 350 mL/min and the sweep flow of oxygen through the membrane lung was 8 L/min. The intraoperative apnea period lasted 13 minutes. Our approach allowed maintaining normocapnia (PaCO2 38,5 and 40 mmHg before and at the end of the apnea period, respectively), preserving oxygenation (P/F ratio 378, 191, 198 and 200 after 3, 6, 9 and 12 min of apnea, respectively). Our report suggests that the minimally invasive CO2 removal associated with apneic oxygenation is an useful technique for managing anesthesiological situations requiring moderate apnea periods.

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