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- W2808919074 abstract "Objectives: To investigate whether adenosine A 2A receptors lead to vasodilation and positive inotropic function under stimulation and whether they play a role in the control of blood pressure in patients with cardiogenic shock. Design: Prospective observational study. Setting: Monocentric, Hopital Nord, Marseille, France. Subjects: Patients with cardiogenic shock ( n = 16), acute heart failure ( n = 16), and acute myocardial infarction ( n = 16). Interventions: None. Measurements and Main Results: Arterial adenosine plasma level and A 2A receptor expression on peripheral blood mononuclear cells were evaluated by mass spectrometry and Western blot, respectively, at admission and after 24 hours. Hemodynamic parameters, including systemic vascular resistance, were also assessed. Mean adenosine plasma level at admission was significantly higher in patients with cardiogenic shock (2.74 ± 1.03 µM) versus acute heart failure (1.33 ± 0.27) or acute myocardial infarction (1.19 ± 0.27) (normal range, 0.4–0.8 µM) ( p < 0.0001). No significant correlation was found between adenosine plasma level and systemic vascular resistance. Mean adenosine plasma level decreased significantly by 24 hours after admission in patients with cardiogenic shock (2.74 ± 1.03 to 1.53 ± 0.68; p < 0.001). Mean A 2A receptor expression was significantly lower in patients with cardiogenic shock (1.18 ± 0.11) versus acute heart failure (1.18 ± 0.11 vs 1.39 ± 0.08) ( p = 0.005). Conclusions: We observed high adenosine plasma level and low A 2A receptor expression at admission in patients with cardiogenic shock versus acute heart failure or acute myocardial infarction. This may contribute to the physiopathology of cardiogenic shock." @default.
- W2808919074 created "2018-06-29" @default.
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- W2808919074 date "2018-09-01" @default.
- W2808919074 modified "2023-10-17" @default.
- W2808919074 title "Adenosine Plasma Level and A2A Receptor Expression in Patients With Cardiogenic Shock" @default.
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- W2808919074 doi "https://doi.org/10.1097/ccm.0000000000003252" @default.
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