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12/04/2018

Intra-Osseux: En 1er ? Chez les plus graves

The intraosseous have it : A prospective observational study of vascular access success rates in patients in extremis using video review.

Chreiman KM et Al. J Trauma Acute Care Surg. 2018 Apr;84(4):558-563.

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Attention dans cette étude les abords vasculaires ne sont pas réalisés par les mêmes personnels. Ainsi les VVP sont posées en grande majorité par des infirmiers dont la pratique pour ce geste est grande. Ceci pour dire que l'intérêt de l'intra-osseux est majeur, tout particulièrement quand on emploie un dispositif motorisé tel que l'EZ-IO dont l'apprentissage est simplissime pour qui sait employer une perceuse.

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BACKGROUND:

Quick and successful vascular access in injured patients arriving in extremis is crucial to enable early resuscitation and rapid OR transport for definitive repair. We hypothesized that intraosseous (IO) access would be faster and have higher success rates than peripheral intravenous (PIV) or central venous catheters (CVCs).

METHODS:

High-definition video recordings of resuscitations for all patients undergoing emergency department thoracotomy from April 2016 to July 2017 were reviewed as part of a quality improvement initiative. Demographics, mechanism of injury, access type, access location, start and stop time, and success of each vascular access attempt were recorded. Times to completion for access types (PIV, IO, CVC) were compared using Kruskal-Wallis test adjusted for multiple comparisons, while categorical outcomes, such as success rates by access type, were compared using χ test or Fisher's exact test.

RESULTS:

Study patients had a median age of 30 years (interquartile range [IQR], 25-38 years), 92% were male, 92% were African American, and 93% sustained penetrating trauma. A total of 145 access attempts in 38 patients occurred (median, 3.8; SD, 1.4 attempts per patient). There was no difference between duration of PIV and IO attempts (0.63; IQR, 0.35-0.96 vs. 0.39 IQR, 0.13-0.65 minutes, adjusted p = 0.03), but both PIV and IO were faster than CVC attempts (3.2; IQR, 1.72-5.23 minutes; adjusted p < 0.001 for both comparisons). Intraosseous lines had higher success rates than PIVs or CVCs (95% vs. 42% vs. 46%, p < 0.001).

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CONCLUSION:

Access attempts using IO are as fast as PIV attempts but are more than twice as likely to be successful. Attempts at CVC access in patients in extremis have high rates of failure and take a median of over 3 minutes. While IO access may not completely supplant PIVs and CVCs, IO access should be considered as a first-line therapy for trauma patients in extremis.

| Tags : intraosseux

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