Blood volume distribution in the Trendelenburg position

Herbert G. Bivins, Robert Knopp, Paulo AL dos Santos

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

The Trendelenburg position is used frequently in treating hypotensive patients. It is believed that placing patients in the Trendelenburg position causes an autotransfusion of blood to the central circulation. No published studies document the volume of blood displaced centrally. In our study ten volunteers were placed in the Trendelenburg position. Blood volumes were determined from body surface area, and radionuclide scanning was used to determine blood volume distribution. Placing normovolemic volunteers in the Trendelenburg resulted in a 1.8% (median) displacement of the total volume centrally. The autotransfusion of blood produced by the Trendelenburg position is small and is unlikely to have an important clinical effect.

Original languageEnglish (US)
Pages (from-to)641-643
Number of pages3
JournalAnnals of Emergency Medicine
Volume14
Issue number7
DOIs
StatePublished - Jul 1985

Keywords

  • MAST
  • Trendelenburg
  • blood volume distribution
  • effect
  • effect on blood volume distribution

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