scholarly journals Red cell volume (RCV) and blood volume (BV estimation in transfused preterm infants (PTI): a "real-time" method based on a donor-recipient red cell antigen "mismatches"

1998 ◽  
Vol 44 (3) ◽  
pp. 439-439
Author(s):  
J Williams ◽  
J Matthes ◽  
J Fisher ◽  
R Wynn ◽  
S Al-Ismail ◽  
...  
Keyword(s):  
Cell Volume ◽  
Real Time ◽  
Preterm Infants ◽  
Blood Volume ◽  
Red Cell ◽  
Red Cell Volume ◽  
Cell Antigen

Blood Volume Measurement in Baboons: Simultaneous Estimation of Red Cell Volume and Plasma Volume

1985 ◽  
Vol 14 (6) ◽  
pp. 345-356
Author(s):  
Michael G. Garner ◽  
Andrew F. Phippard ◽  
John S. Horvath ◽  
Geoffrey G. Duggin ◽  
David J. Tiller
Keyword(s):  
Cell Volume ◽  
Blood Volume ◽  
Plasma Volume ◽  
Volume Measurement ◽  
Simultaneous Estimation ◽  
Red Cell ◽  
Red Cell Volume ◽  
Blood Volume Measurement

PLACENTAL TRANSFUSION AND HYPERBILIRUBINEMIA IN THE PREMATURE

PEDIATRICS ◽  
1972 ◽  
Vol 49 (3) ◽  
pp. 406-419 ◽  
Author(s):  
Saroj Saigal ◽  
Allison O'Neill ◽  
Yeldandi Surainder ◽  
Le-Beng Chua ◽  
Robert Usher
Keyword(s):  
Cell Volume ◽  
Blood Volume ◽  
Premature Infants ◽  
Full Term ◽  
Neonatal Hyperbilirubinemia ◽  
Red Cell ◽  
Term Infants ◽  
Red Cell Volume ◽  
Cord Clamping ◽  
Volume Measurements

Placental transfusion has been compared in premature and full-term infants. Blood volume measurements showed that the 5-minute transfusion was similar in full-term and premature infants (47% and 50% increase in blood volume from birth). A larger proportion of the 5-minute transfusion occurred by 1 minute in full-term (76%) than in premature infants (56%). Placental transfusion, by increasing red cell volume, greatly enhanced the severity of neonatal hyperbilirubinemia. Bilirubin concentrations of 15 mg/100 ml developed in only 6% of premature infants when cord clamping was immediate, in 14% when cord clamping was delayed 1 minute, and in 38% after a 5-minute delay in cord clamping.

Splenic red cell sequestration and blood volume measurements in conscious pigs

1985 ◽  
Vol 248 (3) ◽  
pp. R293-R301 ◽  
Author(s):  
J. P. Hannon ◽  
C. A. Bossone ◽  
W. G. Rodkey
Keyword(s):  
Red Blood Cells ◽  
Cell Volume ◽  
Blood Volume ◽  
Plasma Volume ◽  
Blood Cells ◽  
Physical Restraint ◽  
Red Cell ◽  
Red Cell Volume ◽  
Epinephrine Injection ◽  
Volume Measurements

When estimated by the dilution of 51Cr-labeled red blood cells under nearly basal conditions, immature splenectomized pigs (n = 20) had a circulating red cell volume of 17.8 +/- 1.64 (SD) ml/kg. At an assumed body-to-large vessel hematocrit (BH:LH) ratio of 0.9, plasma volume was 49.6 +/- 3.12 ml/kg and blood volume 67.3 +/- 3.67 ml/kg. Sham-operated pigs (n = 20) had a circulating red cell volume of 16.2 +/- 1.39 ml/kg, a plasma volume of 51.1 +/- 3.42 ml/kg, and blood volume of 67.2 +/- 4.12 ml/kg. Kinetic analysis of early 51Cr loss from the circulating blood of the sham-operated pigs indicated a splenic red cell sequestration of 4.5 +/- 0.89 ml/kg and a t1/2 of 9.76 +/- 1.93 min for splenic red cell turnover. Epinephrine injection (n = 6) and physical restraint (n = 8) caused rapid mobilization of splenic red blood cells in sham-operated pigs. Volume estimates in splenectomized pigs (n = 7) based on simultaneous dilutions of 51Cr-labeled red blood cells and 125I-labeled bovine albumin gave circulating red cell, plasma, and blood volumes of 18.4 +/- 2.46, 60.7 +/- 4.01, and 79.0 +/- 3.51 ml/kg, respectively, and a BH:LH ratio of 0.756 +/- 0.029. The latter value may have reflected an overestimation of plasma volume by the 125I-labeled albumin procedure.

scholarly journals Blood volume in monoclonal gammopathy

Blood ◽  
1977 ◽  
Vol 49 (2) ◽  
pp. 301-307 ◽  
Author(s):  
R Alexanian
Keyword(s):  
Cell Volume ◽  
Blood Volume ◽  
Plasma Volume ◽  
Monoclonal Gammopathy ◽  
Red Cell ◽  
Total Blood Volume ◽  
Elevated Plasma ◽  
Total Blood ◽  
Red Cell Volume ◽  
The Relationship

Abstract The plasma volume, red cell volume, or both were measured in 170 normal, anemic, or polycythemic subjects. For anemic subjects without a serum protein abnormality or splenomegaly, the relationship between hematocrit and red cell volume was linear and predictable. In patients with a serum monoclonal globulin on electrophoresis, the plasma voluem was significantly increased for the hematocrit in 30%, and the total blood volume was increased in 45%. The frequency of an elevated plasma volume was higher in patients with a markedly increased level of monoclonal protein. Reductions of abnormal proteins with chemotherapy were associated with declines in plasma volume. For a specific concentration, the serum viscosity was highest in patients with IgM proteins and lowest in patients with IgG globulins. Marked elevations in viscosity were noted only in sera with macroglobulinemia or with more than 5 g/dl of IgG or IgA globulins.

Changes of serum and blood volumes during gestation and lactation in multiparous sows

1996 ◽  
Vol 76 (2) ◽  
pp. 263-266 ◽  
Author(s):  
J. J. Matte ◽  
C. L. Girard
Keyword(s):  
Key Words ◽  
Cell Volume ◽  
Blood Volume ◽  
Red Cell ◽  
Red Cell Volume ◽  
Lactating Sows ◽  
Volume Blood ◽  
Blood Volumes

Changes of serum and plasma volumes were determined in 36 gestating sows and 20 lactating sows at their second parity. There was no change (P > 0.05) in blood and serum volumes between 4 wk pre-mating and 1 wk post-mating. During gestation, blood and serum volumes increased by approximately 25%, with most of this increase occurring between 11 and 14 wk of pregnancy (P < 0.006). From parturition to weaning at 4 wk of lactation, serum and blood volumes decreased linearly (P < 0.02) by approximately 9%. Key words: Serum volume, blood volume, packed red cell volume, sow

Splanchnic blood volume in traumatic shock

1961 ◽  
Vol 200 (3) ◽  
pp. 614-618 ◽  
Author(s):  
J. J. Friedman
Keyword(s):  
Red Blood Cells ◽  
Cell Volume ◽  
Blood Volume ◽  
Plasma Volume ◽  
Blood Cells ◽  
Traumatic Shock ◽  
Red Cell ◽  
Differential Distribution ◽  
Red Cell Volume ◽  
Tourniquet Shock

The distribution of radioiodinated plasma and radioiron-labeled red blood cells between the liver, intestine and spleen were determined during the induction and development of tourniquet shock in mice. The data obtained indicate that plasma and red blood cells are distributed differentially throughout the splanchnic vasculature such that plasma volume of liver, intestine and spleen remain depressed for the entire shock interval, as does splenic red cell volume. After an early decline, the red cell volume of liver and intestine become elevated to a level above control. This differential distribution of plasma and red cells in liver and intestine is attributed to alterations in peripherovascular tone and suggests that a venous component becomes prominent late in shock and may act to pool blood out of active circulation.

Alterations in tissue blood volume induced by tourniquet application

1960 ◽  
Vol 198 (4) ◽  
pp. 886-890 ◽  
Author(s):  
J. J. Friedman
Keyword(s):  
Cell Volume ◽  
Blood Volume ◽  
Plasma Volume ◽  
Peripheral Circulation ◽  
Red Cells ◽  
The Other ◽  
Red Cell ◽  
Red Cell Volume ◽  
Resistance Vessels ◽  
Venous Resistance

The application of occluding tourniquets to both hind legs of unanesthetized mice produced widespread changes in the distribution of plasma and red cells throughout the peripheral circulation. Following tourniquet application the plasma volume within all tissues declined except for lung which remained unaltered and muscle which exhibited an increase. The red cell volume changed variably, declining in liver and spleen, rising in kidney and muscle and remaining unchanged in the other tissues analyzed. These changes were suggestive of a somewhat generalized increase in peripherovascular constrictor activity which included venous resistance vessels in addition to arterioles.

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