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김대호,최용우,성춘호,정운혁 대한마취과학회 1988 Korean Journal of Anesthesiology Vol.21 No.2
During surgical repair of a descending thoracic aorts aneurysm, one-lung ventiation improves visualization of the surgical field, facilitates surgical resection, and reduces lung tranuma. Trauma to the left lung during surgical repair of the descending thoracic aorta is very common, and intrapulmonary hemorrhage can be occurred if both lungs are ventilated. A doubitus position, hypoxemia can frequently occur and hypoxic damage can result. Selective nondependent lung high frequency jet ventilation was administered using a MERA JET VENTILATOR with FiO_2 1.0, driving gas pressure 1 kg/㎠, respiration rate 120/min., and an I:E ratio of 1:2. Oxygenation (PaO_2 readings were all above 200 torr) was well maintanined and PaCO_2 values were all within normal limits thoroughout the operation. Under the left atrial-femoral artery bypass with the cardiopulmonary bypass machine without oxygenator, an internal bypass graft with Woven dacron was performed. The patient tolerated the surgery well, and the postoperative course was uneventful except for left for left vocal cord paralysis.