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J Vasc Access ; 18(6): 546-551, 2017 Nov 17.
Artículo en Inglés | MEDLINE | ID: mdl-28604990

RESUMEN

INTRODUCTION: The palpation technique is generally used for radial artery catheterisation, but is associated with a high rate of failure and complications. Dynamic needle tip positioning (DNTP) is a new ultrasound-guided technique. We aimed to compare the traditional palpation technique with DNTP performed by four anaesthesiology residents. METHODS: The study was a randomised, controlled, patient-blinded, crossover study. Fourty patients underwent bilateral radial artery catheterisation using both techniques. The primary endpoint was the first attempt success rate. The secondary endpoints were: 1) number of skin perforations, 2) number of needle retractions, 3) needle manipulation time, 4) total time, 5) attempts lasting >180 seconds, 6) number of catheters used, 7) frequency of aborted attempts or crossovers, and 8) pain scores (VAS). RESULTS: The first attempt success rate was significantly higher in the DNTP group compared with the palpation group (36/40 vs. 28/40, p = 0.022).The palpation technique group required a higher number of skin perforations (44 vs. 60, p = 0.016), needle retractions (p = 0.001) and catheters (42 vs. 52, p = 0.011) compared with the DNTP group. Neither the total time required for arterial catheterisation, the needle manipulation time nor the VAS scores were significantly different between the groups (all p>0.407). Aborted attempts were only seen in the palpation group (7/40, p = 0.016). CONCLUSIONS: Ultrasound-guided arterial catheterisation using the DNTP technique is superior to the standard palpation technique. This study favours the ultrasound-guided DNTP technique as the first choice rather than merely being viewed as a rescue procedure.


Asunto(s)
Anestesiología/educación , Cateterismo Periférico/métodos , Educación de Postgrado en Medicina/métodos , Internado y Residencia , Arteria Radial/diagnóstico por imagen , Ultrasonografía Intervencional , Cateterismo Periférico/efectos adversos , Cateterismo Periférico/instrumentación , Estudios Cruzados , Humanos , Agujas , Dolor/diagnóstico , Dolor/etiología , Dimensión del Dolor , Palpación , Punciones , Factores de Tiempo
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