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Background: In patients with difficult peripheral venous access, alternative techniques require expertise and are invasive, expensive, and prone to serious adverse events. This brought us to designing a new venous catheter (JLB® Deltamed, Inc.) for the cannulation of medium and large bore veins; it is echogenic, and available in different lengths (60 / 70 / 80 mm) and Gauges (14 / 16 / 17 / 18). Methods: We led a multi-center observational convenience sampling study to evaluate safety and effectiveness of JLB. Data was collected from June 2015 to February 2018. Inclusion criteria were age ⩾ 18, difficulty in obtaining superficial venous access in the veins of the arm, need for rapid infusion, or patient's preference. Results: We enrolled 1000 patients, mean age 66.8 years. In total, 951 (95.1%) had the device placed in internal jugular vein, 28 in basilic or cephalic vein, 15 in femoral vein, 5 in axillary vein (infra-clavicular tract), and 1 in the external jugular vein. The procedure was performed by attending physicians or emergency medicine residents under US guidance. Mean procedure time (from disinfection to securing) was approximately 240 s. Mean attempts number was 1.21. Early complications (<24 h) occurred in four patients, consisting in two soft tissue hematoma, one phlebitis, and one atrial tachyarrhythmia. No major complications (such as pneumothorax) were reported. Mean indwelling time was 168 h (7 days); early occlusion/dislocation occurred in four cases. Conclusion: According to preliminary data, the application of JLB appears to be safe, cost-effective, and rapid to place bedside.

Background: Achieving a reliable venous access in a particular subset of patients and/or in emergency settings can be challenging and time-consuming. Furthermore, many hospitalized patients do not meet the criteria for central venous catheter positioning, unless an upgrade of the treatment is further needed. The mini-midline catheter has already showed to be reliable and safe as a stand-alone device, since it is easily and rapidly inserted and can indwell up to 1 month. Methods: In this further case series, we retrospectively evaluated data from 63 patients where a previously inserted mini-midline catheter was upgraded to a central venous catheter (the devices inserted in the arm replaced by peripherally inserted central catheter and others inserted “off-label” in the internal jugular replaced by single lumen centrally inserted central catheter), being used as introducer for the Seldinger guidewire. Results: The guidewire replacement was been made even early (after 1 day) or late (more than 10 days), usually following a need for an upgrade in treatment. No early or late complications were reported. Conclusion: According to the preliminary data we collected, this converting procedure seems to be feasible and risk-free, since neither infectious nor thrombotic complications were reported.

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