Canadian journal of anaesthesia = Journal canadien d'anesthésie
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Randomized Controlled Trial
Use of a chlorhexidine-impregnated patch does not decrease the incidence of bacterial colonization of femoral nerve catheters: a randomized trial.
Femoral nerve catheter (FNC) insertion is commonly performed for postoperative analgesia following total knee arthroplasty (TKA). A wide range of rates has been reported relating to the bacterial colonization of catheters complicating FNC insertion. The BIOPATCH® is a chlorhexidine (CHG) impregnated patch designed to inhibit bacterial growth for days. The BIOPATCH has proven to be effective at decreasing bacterial colonization in epidural and vascular catheters. We hypothesized that the BIOPATCH would be effective at decreasing the rates of FNC bacterial colonization. ⋯ The baseline rate of bacterial colonization of FNCs is quite low in the setting of short-term use, CHG skin decontamination, ultrasound guidance, subcutaneous tunneling, and perioperative antibiotic therapy. No benefit was shown by using the BIOPATCH in this patient population. (ClinicalTrials.gov number: NCT01411891).
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Case Reports
Case reports: iatrogenic bronchial rupture following the use of endotracheal tube introducers.
Endotracheal tube introducers are often used in difficult tracheal intubations, but they are rarely deemed responsible for airway injuries. There have been only a few reports of severe complications, such as pharyngeal perforation, mainstem bronchus bleeding, perforation of the tracheal mucosa, and tracheal abrasion associated with hemopneumothorax. Using a computed tomography (CT) scan, we illustrate two cases of non-severe airway injuries related to endotracheal tube introducers. ⋯ These two cases show that airway damage related to endotracheal tube introducers may not be exceptional. It is not unusual to have some blood on an airway management device, and the rate and severity of these lesions are unknown. However, damage to the airway can be avoided by adapting preventive techniques during tracheal intubation.
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Case Reports
Case report: unusual complication during outpatient continuous regional popliteal analgesia.
Continuous regional anesthesia applied as pain therapy at home is clinically established standard practice after upper and lower limb surgery. Persistent motor block at discharge or after continuous infusion of local anesthetics, however, might lead to complications related to the insensate extremity. We report a rare case of a foot fracture due to stumbling after continuous sciatic nerve block at home and discuss the related clinical implications. ⋯ The true incidence of complications related to falls at home associated with lower extremity blockade remains unknown, as symptoms of possible complications may be masked by the effects of the local anesthetic. However, with increasing use of postoperative regional anesthesia, it is mandatory to develop and adhere to clinical care maps, and to elaborate and teach strategies to further enhance patient safety.