Prevention of Caval Collapse During Venous Drainage for CPB.

Détails

ID Serval
serval:BIB_5864FD692CC8
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Institution
Titre
Prevention of Caval Collapse During Venous Drainage for CPB.
Périodique
Asaio Journal
Auteur(s)
Abdel-Sayed S., Favre J., Taub S., von Segesser L.K.
ISSN
1538-943X (Electronic)
ISSN-L
1058-2916
Statut éditorial
Publié
Date de publication
2013
Peer-reviewed
Oui
Volume
59
Numéro
1
Pages
46-51
Langue
anglais
Notes
Publication types: Journal Article
Résumé
A new plastic self-expanding Smartcanula (Smartcanula LLC, Lausanne, Switzerland) is designed for central insertion and prevention of caval collapse. The objective of our work is to assess the influence of the new design on atrial chatter. Caval collapse over the entire caval axis, right atrial, hepatic, renal vein, and iliac vein is realized in drainage tubes with holes at 5 cm distance intervals. Smartcanulas with various lengths (26 cm [= right atrial], 34 cm [= hepatic], 43 cm [= renal], and 53 cm [= iliac]) versus two-stage cannulas are compared. Pressure drop (ΔP) is measured using Millar pressure-transducers. Flow rate (Q) is measured using an ultrasonic flow meter. Cannula resistance is defined as the ΔP/Q ratio. Data display and recording are controlled using LabView virtual instruments. At an 88 cm height differential, Q values are 8.69 and 6.8 l/min, and ΔP/Q ratios are 0.63 and 1.28 for the 26-cm Smartcanula and the reference cannula, respectively. The 34-cm Smartcanula showed 8.89 l/min and 0.6 ΔP/Q ratio vs. 7.59 l/min and 0.9 for the control cannula (P < 0.05). The 43-cm and 53-cm Smartcanulas showed Q values of 9.04 and 8.81 l/min, respectively, and ΔP/Q2 ratio of 0.6. The Smartcanula outperforms the two-stage cannula, and direct cannula insertion without guide wire is effective.
Pubmed
Web of science
Création de la notice
31/01/2013 19:11
Dernière modification de la notice
20/08/2019 15:12
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