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The optimum hematocrit

Clinical Hemorheology and Microcirculation, 2016
The hematocrit (Hct) determines the oxygen carrying capacity of blood, but also increases blood viscosity and thus flow resistance. From this dual role the concept of an optimum Hct for tissue oxygenation has been derived. Viscometric studies using the ratio Hct/blood viscosity at high shear rate showed an optimum Hct of 50-60% for red blood cell (RBC)
W. Reinhart
semanticscholar   +4 more sources

AN HEMATOCRIT METHOD

JAMA: The Journal of the American Medical Association, 1925
The hematocrit is an instrument by which is determined the volumetric relationship between corpuscles and plasma in a specimen of blood. Separation of the two elements is brought about in the centrifuge by virtue of a difference in their specific ...
C. M. V. Allen
semanticscholar   +4 more sources

The Effect of Route of Testosterone on Changes in Hematocrit: A Systematic Review and Bayesian Network Meta-Analysis of Randomized Trials

Journal of Urology, 2021
Purpose: We sought to compare testosterone formulations and determine the degree that hematocrit increases vary by testosterone therapy formulation. As head-to-head trials are rare, network meta-analysis of the contemporary studies is the only way to ...
S. Nackeeran   +5 more
semanticscholar   +1 more source

The Optimal Hematocrit [PDF]

open access: possibleCritical Care Clinics, 2010
Nearly 15 million units of packed red blood cells and whole blood are transfused annually in the United States alone. Until recently, the major risks from blood transfusion were thought to be transmission of viral infections, and overall, blood transfusion was believed by most providers to be safe.
Louise Harder, Lynn K. Boshkov
openaire   +2 more sources

A Hematocrit Centrifuge

Scandinavian Journal of Clinical and Laboratory Investigation, 1952
(1952). A Hematocrit Centrifuge. Scandinavian Journal of Clinical and Laboratory Investigation: Vol. 4, No. 3, pp. 249-250.
S. Warvenius, B. Norberg
openaire   +3 more sources

Hematocrit and anxiety

Journal of Psychosomatic Research, 1986
Stress is believed to increase hematocrit. Groups of patients with generalized anxiety disorders and normal volunteers matched on age and sex were compared on resting levels of state anxiety, trait anxiety, depression, pulse rate, blood pressure and hematocrit.
William H. Wilson, Roy J. Mathew
openaire   +2 more sources

Hematocrit and risk of NIDDM

Diabetes, 1996
There is limited evidence that raised hematocrit levels may be associated with insulin resistance, which links cardiovascular disease with NIDDM. The association between hematocrit level at screening and the subsequent development of physician-diagnosed NIDDM during 12.8 years of follow-up was examined in a prospective study of 7,735 middle-aged men ...
A G Shaper   +2 more
openaire   +3 more sources

A physiometer for simultaneous measurement of whole blood viscosity and its determinants: hematocrit and red blood cell deformability.

In Analysis, 2019
In this study, a microfluidic-based physiometer capable of measuring whole blood viscosity, hematocrit, and red blood cell (RBC) deformability on a chip is introduced.
Byung Jun Kim   +3 more
semanticscholar   +1 more source

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