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    Pressure-Controlled Mechanical Ventilation Is More Advantageous in the Follow-up of Patients with Chronic Obstructive Pulmonary Disease after Open Heart Surgery
    (FORUM MULTIMEDIA PUBLISHING, LLC, 2014) Ugurlucan, Murat; Basaran, Murat; Erdim, Filiz; Selimoglu, Ozer; Caglar, Ilker Murat; Zencirci, Ertugrul; Filizcan, Ugur; Ogus, Noyan Temucin; Yildiz, Yahya; Tireli, Emin; Isik, Omer; Dayioglu, Enver
    Objective: Cardiopulmonary bypass deteriorates pulmonary functions to a certain extent. Patients with chronic obstructive pulmonary disease (COPD) are associated with increased mortality and morbidity risks in the postoperative period of open-heart surgery. In this study we compared 2 different mechanical ventilation modes, pressure-controlled ventilation (PCV) and volume-controlled ventilation (VCV), in this particular patient population. Patients and Methods: Forty patients with severe COPD were assigned to 1 of 2 groups and enrolled to receive PCV or VCV in the postoperative period. Arterial blood gases, respiratory parameters, and intensive care unit and hospital stays were compared between the 2 groups. Results: Maximum airway pressure was higher in the VCV group. Pulmonary compliance was lower in the VCV group and minute ventilation was significantly lower in the group ventilated with PCV mode. The respiratory index was increased in the PCV group compared with the VCV group and with preoperative findings. Duration of mechanical ventilation was significantly shorter with PCV; however, intensive care unit and hospital stays did not differ. Conclusion: There is not a single widely accepted and established mode of ventilation for patients with COPD undergoing open-heart surgery. Our modest experience indicated promising results with PCV mode; however, further studies are warranted.