[Dangerous reduction of blood flow in the internal mammary artery in acute hypovolemia].
Internal mammary artery (IMA) flow patterns were analyzed in a dog model without interference with the coronary artery bed (n = 6, mean bodyweight: 21 +/- 4 kg) during the following conditions: a) baseline values and steady state: b) acute hypovolemia (withdrawal of 20% of circulating volume over 90 s): c) retransfusion (same volume over 90 s): d) progressive hypovolemia (withdrawal of the same volume over 240 s): e) bolus of nitrates (500 micrograms/kg over 60 s).
von Segesser
L K
LK
Klinik für Herzgefässchirugie, Universitätsspital Zürich.
Lüscher
T F
TF
Lehmann
K H
KH
Turina
M
M
D000818:Animals; D001810:Blood Volume / Q000502:physiology; D003326:Coronary Circulation / Q000502:physiology*; D004285:Dogs; D006439:Hemodynamics / Q000502:physiology; D007387:Internal Mammary-Coronary Artery Anastomosis; D008323:Mammary Arteries / Q000503:physiopathology*; D011183:Postoperative Complications / Q000503:physiopathology*; D012769:Shock / Q000503:physiopathology*
Gefährliche Reduktion des Blutflusses in der Arteria mammaria interna bei akuter Hypovolämie.