Tripp JH, Valaes T. Modification to single catheter exchange transfusion technique.
Arch Dis Child 1976;
51:293-6. [PMID:
1275542 PMCID:
PMC1545946 DOI:
10.1136/adc.51.4.293]
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Abstract
A simple modification to the standard 'in-out' exchange transfusion technique is described which requires cannulation of the umbilical vein only, yet provides many of the theoretical and practical advantages of a 2-catheter arteriovenous technique. The advantages include a reduction of cardiovascular disturbance; a reduction of the inevitable pressure changes in the portal venous system (probably important in the pathogenesis of complicating necrotizing enterocolitis); administration of alkali or drugs diluted in donor blood; accurate assessment of balance; a more efficient exchange; and general ease of management allowing better clinical observation of the infant.
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