Tıp Fakültesi / Faculty of Medicine

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Author: search.filters.author.Zeyneloglu, PinarSubject: search.filters.subject.Heart

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    Respiratory Complications After Solid-Organ Transplantation
    (2015) Zeyneloglu, Pinar; 0000-0003-2312-9942; 25871362; C-3736-2018
    The risk for respiratory complications after solid-organ transplantation continues to be high, even though progress has been achieved with surgical techniques, immunosuppressive agents, and perioperative treatment of transplant recipients. This review is an overview of infectious and noninfectious respiratory complications in liver, kidney, heart, and lung transplant patients. Postoperative respiratory complications are more frequent after liver, heart, and lung transplant recipients, but the incidence is lower in kidney transplant recipients. Lung infiltrates due to multidrug-resistant bacterial infections are increasing and may cause respiratory failure associated with high morbidity and mortality. Treatment strategies including early, broad-spectrum empiric antibiotic therapy, lung protective mechanical ventilation, and appropriate timing of tracheotomy for patients who need prolonged mechanical ventilation. Early recognition and aggressive treatment of these respiratory complications may improve outcomes.
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    Percutaneous Dilational Tracheotomy in Solid-Organ Transplant Recipients
    (2015) Ozdemirkan, Aycan; Ersoy, Zeynep; Zeyneloglu, Pinar; Gedik, Ender; Pirat, Arash; Haberal, Mehmet; 0000-0003-0767-1088; 0000-0002-3462-7632; 0000-0003-2312-9942; 0000-0002-7175-207X; 26640911; AAF-3066-2021; AAH-7003-2019; AAJ-8097-2021; C-3736-2018; ABI-2971-2020
    Objectives: Solid-organ transplant recipients may require percutaneous dilational tracheotomy because of prolonged mechanical ventilation or airway issues, but data regarding its safety and effectiveness in solid-organ transplant recipients are scarce. Here, we evaluated the safety, effectiveness, and benefits in terms of lung mechanics, complications, and patient comfort of percutaneous dilational tracheotomy in solid-organ transplant recipients. Materials and Methods: Medical records from 31 solid-organ transplant recipients (median age of 41.0 years [interquartile range, 18.0-53.0 y]) who underwent percutaneous dilational tracheotomy at our hospital between January 2010 and March 2015 were analyzed, including primary diagnosis, comorbidities, duration of orotracheal intubation and mechanical ventilation, length of intensive care unit and hospital stays, the time interval between transplant to percutaneous dilational tracheotomy, Acute Physiology and Chronic Health Evaluation II score, tracheotomy-related complications, and pulmonary compliance and ratio of partial pressure of arterial oxygen to fraction of inspired oxygen. Results: The median Acute Physiology and Chronic Health Evaluation II score on admission was 24.0 (interquartile range, 18.0-29.0). The median interval from transplant to percutaneous dilational tracheotomy was 105.5 days (interquartile range, 13.0-2165.0 d). The only major complication noted was left-sided pneumothorax in 1 patient. There were no significant differences in ratio of partial pressure of arterial oxygen to fraction of inspired oxygen before and after procedure (170.0 [inter quartile range, 102.2-302.0] vs 210.0 [interquartile range, 178.5-345.5]; P=.052). However, pulmonary compliance results preprocedure and postprocedure were significantly different (0.020 L/cm H2O [interquartile range, 0.015-0.030 L/cm H2O] vs 0.030 L/cm H2O [interquartile range, 0.020-0.041 L/cm H2O); P=.001]). Need for sedation significantly decreased after tracheotomy (from 17 patients [54.8%] to 8 patients [25.8%]; P=.004]). Conclusions: Percutaneous dilational tracheotomy with bronchoscopic guidance is an efficacious and safe technique for maintaining airways in solid-organ transplant recipients who require prolonged mechanical ventilation, resulting in possible improvements in ventilatory mechanics and patient comfort.
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    Acute Respiratory Failure in Cardiac Transplant Recipients
    (2015) Komurcu, Ozgur; Ozdemirkan, Aycan; Firat, Aynur Camkiran; Zeyneloglu, Pinar; Sezgin, Atilla; Pirat, Arash; 0000-0003-2312-9942; 0000-0003-1470-7501; 26640904; C-3736-2018; AAH-7003-2019
    Objectives: This study sought to evaluate the incidence, risk factors, and outcomes of acute respiratory failure in cardiac transplant recipients. Materials and Methods: Cardiac transplant recipients >15 years of age and readmitted to the intensive care unit after cardiac transplant between 2005 and 2015 were included. Results: Thirty-nine patients were included in the final analyses. Patients with acute respiratory failure and without acute respiratory failure were compared. The most frequent causes of readmission were routine intensive care unit follow-up after endomyocardial biopsy, heart failure, sepsis, and pneumonia. Patients who were readmitted to the intensive care unit were further divided into 2 groups based on presence of acute respiratory failure. Patients' ages and body weights did not differ between groups. The groups were not different in terms of comorbidities. The admission sequential organ failure assessment scores were higher in patients with acute respiratory failure. Patients with acute respiratory failure were more likely to use bronchodilators and n-acetylcysteine before readmission. Mean peak inspiratory pressures were higher in patients in acute respiratory failure. Patients with acute respiratory failure developed sepsis more frequently and they were more likely to have hypotension. Patients with acute respiratory failure had higher values of serum creatinine before admission to intensive care unit and in the first day of intensive care unit. Patients with acute respiratory failure had more frequent bilateral opacities on chest radiographs and positive blood and urine cultures. Duration of intensive care unit and hospital stays were not statistically different between groups. Mortality in patients with acute respiratory failure was 76.5% compared with 0% in patients without acute respiratory failure. Conclusions: A significant number of cardiac transplant recipients were readmitted to the intensive care unit. Patients presenting with acute respiratory failure on readmission more frequently developed sepsis and hypotension, suggesting a poorer prognosis.