• Alonso Cantú-Martínez, Oscar de-la-Garza-Castro, Ana María Espinosa-Galindo, Eloy Cárdenas-Estrada, Oscar de-la-Garza-Pineda, Dionisio Palacios-Ríos, and Santos Guzmán-López.
• Servicio de Anestesiología, Hospital Universitario Dr. José E. González, Escuela de Medicina, UANL.
• Rev Invest Clin. 2009 Nov 1;61(6):476-81.

IntroductionIn invasive monitoring, subclavian-vein puncture is a routine procedure indicated for central vein cathe-terization. It is indicated in patients according to hospital stay, including the administration of drugs and the treatment of chronic and cardiac disease. The techniques described to date include infraclavicular percutaneous puncture; others place catheters using angiographic methods, and the use of magnetic resonance imaging and ultrasound has also been reported. Studies have been done in cadavers to get a better understanding of the procedure since the relationship between vascular elements and surrounding tissues are obtained. The usual technique is with the patient in Trendelenburg position, with the arm in adduction, the placement of an interscapular roll, and the head turned away from the puncture site.ObjectiveThe aim of this study was to demonstrate less frequent technical failures and complications using a modification of the usual technique. We propose catheterization of the right subclavian vein with the patient in decubitus, without an interescapular roll, with the arm in abduction and using the distal third of the clavicle and the suprasternal notch as anatomical references.ResultsTwo technical puncture failures and three complications occurred in a total of 42 patients with a statistically significant difference (p = 0.0410) in frequency (11.9%) from that reported with the traditional technique (21.8%).ConclusionsGreater efficacy with the technique modified by the authors was confirmed. Anatomical cadaver dissections showed a greater space between the right subclavian vein and the clavicle.

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