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Radial artery cannulation: a comparison of 15.2- and 4.45-cm catheters. 1992

M R Dahl, and W L Smead, and T D McSweeney
Department of Anesthesiology, Ohio State University, Columbus.

Eighty-nine patients were studied prospectively to compare the incidence of postdecannulation arterial thrombosis and ischemic complications associated with percutaneous insertion of two different radial artery catheters. Patients scheduled for peripheral vascular surgery were randomized to receive a 15.2-cm (6 in, Argon Medical Corp.) or 4.45-cm (1.75 in, Arrow International, Inc.) 20-gauge, Teflon catheter. Extremity blood flow was evaluated prior to cannulation and again after decannulation with the modified Allen's test, pulse-volume plethysmography, and Doppler ultrasound. The incidence of postdecannulation radial artery occlusion for 15.2-cm catheters was significantly less than for 4.45-cm catheters (4 of 45 cases versus 11 of 44 cases, p = 0.05). No case of temporary or permanent ischemic injury occurred. Radial artery transfixion (16 of 45 cases versus 5 of 44 cases, p = 0.01) and hematoma formation (5 of 45 cases versus 0 of 44 cases, p = 0.02) occurred more frequently during insertion of 15.2-cm catheters than 4.45-cm catheters. The number of arterial punctures during catheter insertion and the duration of cannulation were similar for both groups. Of the 8 patients with positive modified Allen's test who underwent radial artery cannulation, one suffered arterial occlusion. Radial artery cannulation with a 15.2-cm catheter was associated with a lower incidence of postdecannulation radial artery thrombosis than cannulation with the 4.45-cm catheter. Radial artery cannulation with longer catheters (greater than 5.0 cm) appears to be a safe practice.

UI MeSH Term Description Entries
D007511 Ischemia A hypoperfusion of the BLOOD through an organ or tissue caused by a PATHOLOGIC CONSTRICTION or obstruction of its BLOOD VESSELS, or an absence of BLOOD CIRCULATION. Ischemias
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010991 Plethysmography Recording of change in the size of a part as modified by the circulation in it. Plethysmographies
D011138 Polytetrafluoroethylene Homopolymer of tetrafluoroethylene. Nonflammable, tough, inert plastic tubing or sheeting; used to line vessels, insulate, protect or lubricate apparatus; also as filter, coating for surgical implants or as prosthetic material. Synonyms: Fluoroflex; Fluoroplast; Ftoroplast; Halon; Polyfene; PTFE; Tetron. FEP,Fluon,Politef,Polytef,TFE,Teflon,Expanded PTFE,Fluoroplast,GORE-TEX,Goretex,PTFE,Tarflen,GORE TEX,PTFE, Expanded
D011677 Punctures Incision of tissues for injection of medication or for other diagnostic or therapeutic procedures. Punctures of the skin, for example may be used for diagnostic drainage; of blood vessels for diagnostic imaging procedures. Micropunctures,Micropuncture,Puncture
D012039 Regional Blood Flow The flow of BLOOD through or around an organ or region of the body. Blood Flow, Regional,Blood Flows, Regional,Flow, Regional Blood,Flows, Regional Blood,Regional Blood Flows
D001916 Brachial Artery The continuation of the axillary artery; it branches into the radial and ulnar arteries. Arteries, Brachial,Artery, Brachial,Brachial Arteries
D002406 Catheterization, Peripheral Insertion of a catheter into a peripheral artery, vein, or airway for diagnostic or therapeutic purposes. Arterial Catheterization, Peripheral,Catheterization, Bronchial,Catheterization, Peripheral Arterial,Catheterization, Peripheral Venous,Peripheral Catheterization,Venous Catheterization, Peripheral,Bronchial Catheterization,PICC Line Catheterization,PICC Line Placement,PICC Placement,Peripheral Arterial Catheterization,Peripheral Venous Catheterization,Peripherally Inserted Central Catheter Line Insertion,Arterial Catheterizations, Peripheral,Bronchial Catheterizations,Catheterization, PICC Line,Catheterizations, Bronchial,Catheterizations, PICC Line,Catheterizations, Peripheral,Catheterizations, Peripheral Arterial,Catheterizations, Peripheral Venous,PICC Line Catheterizations,PICC Line Placements,PICC Placements,Peripheral Arterial Catheterizations,Peripheral Catheterizations,Peripheral Venous Catheterizations,Placement, PICC,Placement, PICC Line,Placements, PICC,Placements, PICC Line,Venous Catheterizations, Peripheral
D004867 Equipment Design Methods and patterns of fabricating machines and related hardware. Design, Equipment,Device Design,Medical Device Design,Design, Medical Device,Designs, Medical Device,Device Design, Medical,Device Designs, Medical,Medical Device Designs,Design, Device,Designs, Device,Designs, Equipment,Device Designs,Equipment Designs

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