• K Pilarczyk, N Haake, M Dudasova, B Huschens, D Wendt, E Demircioglu, H Jakob, and F Dusse.
• Department of Intensive Care Medicine, Imland Klinik Rendsburg, Rendsburg, Germany.
• Anaesth Intensive Care. 2016 Mar 1; 44 (2): 227-36.

AbstractBleeding complications after percutaneous dilatational tracheostomy (PDT) are infrequent but may have a tremendous impact on a patient's further clinical course. Therefore, it seems necessary to perform risk stratification for patients scheduled for PDT. We retrospectively reviewed the records of 1001 patients (46% male, mean age 68.1 years) undergoing PDT (using the Ciaglia Blue Rhino® technique with direct bronchoscopic guidance) in our cardiothoracic ICU between January 2003 and February 2013. Patients were stratified into two groups: patients suffering acute moderate, severe, or major bleeding (Group A) and patients who had no or only mild bleeding (Group B). In the majority of patients, no or only mild bleeding during PDT occurred (none: 425 [42.5%], mild: 488 [48.8%]). In 84 patients (8.4%), bleeding was classified as moderate. Three patients suffered from severe bleeding; only one major bleed with need for emergency surgery occured. Patients in Group A had a significantly higher Simplified Acute Physiology Score on the day of PDT (P=0.042), higher prevalence of renal replacement therapy on the day of PDT (P=0.026), higher incidence of coagulopathy (P=0.043), lower platelet counts (P=0.037), lower fibrinogen levels (P=0.012), higher proportion of PDTs performed by residents (P=0.034) and higher difficulty grading of PDT (P=0.001). Using logistic regression analyses, difficult PDT, less experienced operator, Simplified Acute Physiology Score>40 and low fibrinogen levels were independent predictors of clinically significant bleeding after PDT. Low fibrinogen levels, as well as difficult PDT, less experienced operator and Simplified Acute Physiology Score>40 are associated with an increased risk for bleeding during PDT.

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