Imaging Pearls ❯ Contrast ❯ Injecting Central Lines
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"Indwelling use has an effect on catheter material property, but even for used catheters there is substantial safety margin for power injection with the particular triple lumen venous catheter tested in this study, as the manufacturers recommendation for maximum pressure is 15 psig."
Central Venous Catheter Integrity during Mechanical Power Injection of Iodinated Contrast Medium Macha DB et al. Radiology 2009; 253:870-878
"All catheters failed in tubing external to the patient. The lowest flow rate at which catheter failure occurred was 9 mL/sec. The lowest hub pressure at failure was 262 pounds per square inch (psig) for new and 213 psig for used catheters. (hand injection at 5 cc/sec was 72 psig)"
Central Venous Catheter Integrity during Mechanical Power Injection of Iodinated Contrast Medium Macha DB et al. Radiology 2009; 253:870-878
"Suprisingly, manual power injections can generate pressures equivalent to those caused by mechanical power injection, and it has previously been associated with poor bolus delivery."
Central Venous Catheter Integrity during Mechanical Power Injection of Iodinated Contrast Medium Macha DB et al. Radiology 2009; 253:870-878
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