A new percutaneous technique for establishing venous bypass access in orthotopic liver transplantation.

Important note: Information in this article was accurate in 1994. The state of the art may have changed since the publication date.

A new percutaneous technique for establishing venous bypass access in orthotopic liver transplantation.

J Cardiothorac Vasc Anesth. 1994 Feb;8(1):58-60. Unique Identifier : AIDSLINE MED/94220635
Oken AC; Frank SM; Merritt WT; Fair J; Klein A; Burdick J; Thompson S; Beattie C; Department of Anesthesiology, Johns Hopkins Hospital, Baltimore,; MD 21205.

Abstract: Partial veno-venous bypass (VVB) is commonly used in orthotopic liver transplantation (OLT). Venous access for blood return during VVB classically uses a surgical cutdown on the left axillary vein (LAV), which may prolong operating time and can be associated with significant complications. The authors have developed an alternative means of establishing venous access whereby the anesthesia team places 8.5F venous cannulae preoperatively in one or two vessels (internal jugular, antecubital, or subclavian) percutaneously using the Seldinger technique. These cannulae then serve to accept venous return from below the diaphragm via a centrifugal pump. The aim fo the present study was to compare the hemodynamic profiles obtained during the anhepatic phase of OLT in patients in whom either a conventional LAV catheter (group 1) or percutaneous catheters (group 2) were used for return flow from a centrifugal pump. There were no identifiable complications related to venous access in either group of patients. Total operating room time was 800 +/- 30 minutes in group 1 and 720 +/- 40 minutes in group 2 (P = 0.17). Hemodynamic parameters were determined from continuous strip chart recordings of arterial, right atrial, and inferior vena caval (IVCP) pressures. Cardiac output (CO) was measured by thermodilution whereas pump flow was determined by an electromagnetic probe. Renal perfusion pressure (RPP) was calculated as the difference between mean arterial pressure (MAP) and IVCP. Bypass pump flow was greater, but not significantly different between group 1 (3.0 +/- 0.2 L/min) and group 2 (2.4 +/- 0.2 L/min) (P = 0.09).(ABSTRACT TRUNCATED AT 250 WORDS)

Keywords: Axillary Vein/SURGERY Blood Pressure Blood Transfusion Cardiac Output Catheterization, Central Venous *Catheters, Indwelling Central Venous Pressure Comparative Study Elbow/BLOOD SUPPLY Femoral Vein/SURGERY Heart Rate Hepatic Artery/SURGERY Human Jugular Veins/SURGERY *Liver Transplantation Oxygenators Portal Vein/SURGERY Subclavian Vein/SURGERY Time Factors Veins/SURGERY Vena Cava, Inferior/SURGERY *Venous Cutdown JOURNAL ARTICLE
940830
M9480761

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