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Ultrasound-guided percutaneous tracheostomy in critically ill obese patients.

Abstract : ABSTRACT: INTRODUCTION: To evaluate the feasibility of ultrasound (US)-guided percutaneous tracheostomy (PCT) and the incidence of complications in critically ill, obese patients. METHODS: 50 consecutive patients were included in a prospective study in two surgical and critical care medicine departments. Obesity was defined as a body mass index (BMI) of at least 30 kg/m2. The feasibility of PCT and the incidence of complications were compared in obese patients (n=26) and non-obese patients (n=24). Results are expressed as the median (25th-75th percentile) or number (percentage). RESULTS: The median BMI was 34 kg/m2 (32-38) in the obese patient group and 25 kg/m2 (24-28) in the non-obese group (p<0.001). The median time for tracheostomy was 10 min (8-14) in non-obese patients and 9 min (5-10) in obese-patients (p=0.1). The overall complication rate was similar in obese and non-obese patient groups (35% vs. 33%, p=0.92). Most complications were minor (hypotension, desaturation, tracheal cuff puncture and minor bleeding), with no differences between obese and non-obese groups. Bronchoscopic inspection revealed two cases of granuloma (8%) in obese patients. One non-obese patient developed a peristomal skin infection, which was treated with intravenous antibiotics. Ultrasound-guided PCT was possible in all enrolled patients and there were no surgical conversions or deaths. CONCLUSIONS: This study demonstrated that US-guided PCT is feasible in obese patients with a low complication rate. Obesity may not constitute a contra-indication for US-guided PCT. An US examination provides information on cervical anatomy and hence modifies and guides choice of the PCT puncture site. Trial registration: NCT01502657.
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Submitted on : Tuesday, March 27, 2012 - 9:06:14 PM
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Pierre-Grégoire Guinot, Elie Zogheib, Sandra Petiot, Jean-Pierre Marienne, Anne-Marie Guerin, et al.. Ultrasound-guided percutaneous tracheostomy in critically ill obese patients.. Critical Care, BioMed Central, 2012, 16 (2), pp.R40. ⟨10.1186/cc11233⟩. ⟨inserm-00683146⟩

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