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518 Possible Causes for Arterial Attenuation

  • Acute Alcohol Intoxication

    However, alcohol intoxication selectively attenuated activity only in the ACC to volitional AS and erroneous responses.[ncbi.nlm.nih.gov] To mitigate possible vasoactive effects of alcohol on the BOLD (blood oxygenation level-dependent) signal, resting perfusion was quantified with arterial spin labeling (ASL[ncbi.nlm.nih.gov]

  • Hypertension

    Epigenetic attenuation of mitochondrial superoxide dismutase 2 in pulmonary arterial hypertension: a basis for excessive cell proliferation and a new therapeutic target.[dx.doi.org] Minocycline (Mino) attenuates angiotensin II (Ang II) infusion hypertension and causes a shift in the gut microbiota composition.[hyper.ahajournals.org] A , Mean arterial pressure (MAP) at 4 weeks of Ang II infusion and oral Mino treatment presented as 3-hour moving averages for 24 hours and the lowest and the highest point[doi.org]

  • Hyperventilation

    Normal breathing led to decreases in estimated PaCO2 and middle cerebral artery blood flow velocity (MCAV) with rising Tes, but controlled breathing attenuated those reductions[ncbi.nlm.nih.gov]

  • Essential Hypertension

    Verlohren et al 47 have shown recently that periadventitial fat attenuates the contractile response of rat mesenteric arteries to several agents, including serotonin, phenylephrine[doi.org] Epigenetic attenuation of mitochondrial superoxide dismutase 2 in pulmonary arterial hypertension: a basis for excessive cell proliferation and a new therapeutic target.[doi.org]

  • Gastroesophageal Reflux Disease

    A double-blind, randomized, placebo-controlled trial in 124 patients with coronary artery disease (CAD) undergoing coronary artery stent implantation (in which all patients[doi.org] The theoretical basis of this effect is due to competitive inhibition by PPIs of cytochrome (CYP) 2C19, reducing metabolism of clopidogrel to its active form, thus attenuating[doi.org]

  • Puerperium

    […] difference in attenuation values between the pregnant and puerperium group and the control group for pulmonary artery opacification.[ncbi.nlm.nih.gov] RESULTS: Objective measurements of the arterial enhancement in the pulmonary trunk and left and right pulmonary arteries found that there was no statistically significant[ncbi.nlm.nih.gov] The mean attenuation in the pulmonary trunk was 270.54 HU in the pregnant group, 277.53 HU in the puerperium group, and 293.90 HU in the control group.[ncbi.nlm.nih.gov]

  • Raynaud Phenomenon

    Cohen and Coffman 40 examined the effect of isoproterenol and propranolol on fingertip blood flow after vasoconstriction had been induced by a brachial artery infusion of[clinicalgate.com] […] phenomenon is observed frequently in individuals treated with β-adrenoceptor antagonists. 37 – 39 It may be inferred from this observation that β-adrenergic vasodilation normally attenuates[clinicalgate.com]

  • Cor Pulmonale

    Chest x-ray shows RV and proximal pulmonary artery enlargement with distal arterial attenuation.[merckmanuals.com] Imaging Studies:Chest x-ray.Chest x-rays show RV and proximal pulmonary artery enlargement with distal arterial attenuation. CT scan of the chest. Echocardiogram.[medigoo.com]

  • Orthostatic Hypotension

    […] be attenuated by effects of alcohol on their sensory afferents or on central brainstem mechanisms modulating these reflexes.[doi.org] In addition, there is an attenuation of alpha-1 vasoconstrictor responsiveness to sympathetic stimulation with aging. 3 Bed rest, which often occurs with infirmity, accentuates[consultant360.com] Also, lower body muscle tensing of legs, buttocks, and abdomen particularly attenuates the transient arterial blood pressure decrease once standing has occurred and can be[emedicine.com]

  • Hyponatremia

    NO produced within the central nervous system maintains resting arterial blood pressure partially by attenuating the pressor actions of ANG II and prostaglandins.[doi.org]

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