2011
DOI: 10.1016/j.amjcard.2010.10.019
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Seeking Optimal Relation Between Oxygen Saturation and Hemoglobin Concentration in Adults With Cyanosis from Congenital Heart Disease

Abstract: In patients with cyanosis from congenital heart disease, erythropoiesis is governed by many factors that can alter the expected relation between the oxygen saturation (O(2sat)) and hemoglobin concentration. We sought to define the relation between the O(2sat) and hemoglobin in such patients and to predict an ideal hemoglobin concentration for a given O(2sat). Adults with congenital heart defects and cyanosis were studied prospectively using blood tests and exercise testing. Nonoptimal hemoglobin was defined as… Show more

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Cited by 65 publications
(31 citation statements)
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“…200 In patients with adequate iron stores, the degree of erythrocytosis is inversely related in a linear fashion to the average oxygen saturation. [201][202][203] Rather than secondary erythrocytosis being considered a primary problem that needs treatment, it is a physiological marker of disease severity with attendant complications that may require management.…”
Section: Cyanotic Chd: Secondary Erythrocytosis and Iron Deficiencymentioning
confidence: 99%
“…200 In patients with adequate iron stores, the degree of erythrocytosis is inversely related in a linear fashion to the average oxygen saturation. [201][202][203] Rather than secondary erythrocytosis being considered a primary problem that needs treatment, it is a physiological marker of disease severity with attendant complications that may require management.…”
Section: Cyanotic Chd: Secondary Erythrocytosis and Iron Deficiencymentioning
confidence: 99%
“…In patients like ours, tolerance to anemia is very limited therefore, Hb has to be optimal to ensure adequate oxygen delivery to maintain CO as described by Broberg et al [11].…”
Section: Discussionmentioning
confidence: 99%
“…Defining anemia in CCHD is difficult, as optimal hemoglobin concentration is dependent on degree of hypoxemia [67]. Erythrocytosis and supranormal hemoglobin concentrations result from hypoxemia.…”
Section: Hematologic Consequences Of Cchdmentioning
confidence: 99%