• Cataldo Labriola, Francesco Greco, Maurizio Braccio, Pier Paolo Dambruoso, Giuseppe Labriola, and Domenico Paparella.
• Departments of Cardiac Anesthesia and. Electronic address: dino.labriola@gmail.com.
• J. Cardiothorac. Vasc. Anesth. 2015 Jan 1;29(3):598-604.

ObjectivesPercutaneous catheterization of the coronary sinus (CS) to enable the administration of retrograde cardioplegia may play an important role in minimally invasive cardiac surgery. A new specially designed device (ProPlege; Edwards Lifesciences, Irvine, CA) is described that can be placed under transesophageal echocardiography (TEE) and pressure guidance with a high rate of success and low rate of complications.DesignCase series.SettingA university-affiliated private hospital.ParticipantsPatients undergoing minimally invasive cardiac surgery.InterventionsThe ProPlege device was placed under TEE and pressure guidance only.Measurements And Main ResultsRecords of 70 patients managed with ProPlege were reviewed and analyzed. Successful placement was attained in 69 patients (98.6%) as confirmed by the ventricularization of the CS pressure curve and TEE images. Direct imaging of the ProPlege tip was possible in 34 patients (49.2%). The capacity to generate a CS pressure>30 mmHg during retrograde cardioplegia administration at a flow>150 mL/min was obtained in 64 patients; ProPlege displacement occurred in 5 cases (7.2%). Successful retrograde cardioplegia was delivered in 91.4% of cases. No CS perforation or other injuries to the right heart were noted at intraoperative TEE or direct surgical inspection.ConclusionsPercutaneous CS catheterization with ProPlege was performed with a high rate of success for positioning and low complication rate using TEE and pressure guidance only. Further studies are needed to more accurately determine complication rates and to establish the possible complementary role of fluoroscopy.Copyright © 2015 Elsevier Inc. All rights reserved.

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