acute phase reactants

a·cute phase re·ac·tants

a group of proteins that are produced and/or released in increased concentrations during the acute phase reaction, including fibrinogen; C-reactive protein; complement proteins B, C3, C4; α2-acid glycoprotein, serum amyloid A, and proteinase inhibitors.
Farlex Partner Medical Dictionary © Farlex 2012

Acute phase reactants

Blood proteins whose concentrations increase or decrease in reaction to the inflammation process.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Laboratory investigations were negative for acute phase reactants, rheumatoid factor, and antinuclear antibodies.
This study aims to evaluate and compare coagulation and fibrinolytic system markers and natural anticoagulant proteins with acute phase reactants, such as C-reactive protein (CRP), high-sensitive (hs)-CRP, and procalcitonin in children with CAP.
Acute phase reactants are used as biomarkers in determining the severity of pulmonary parenchyma infections.
The first 6 hours of the inflammation are regarded to be significant in the inflammation process because the release of cytokines, also known as acute phase reactants, reach maximum levels in this period.
Laboratory findings were as follows: white blood cell count: 13,470/[mm.sup.3], acute phase reactants (erythrocyte sedimentation rate: 26 mm/h, C-reactive protein: 37 mg/L) and antistreptolysin-O titer: 1270 IU/mL (increased).
The acute phase reactants, ESR and CRP showed reduction after tocilizumab treatment.
However, elevations in acute phase reactants, such as procalcitonin, may lead to misdiagnosis and delay in management of drug related hypersensitivity reactions.
After the switch, he reported frequent nausea, while renal function remained normal and acute phase reactants remained elevated.
The 3p and 14q LOH were the characteristics of ccRCC with elevated acute phase reactants, including PIS, regardless of the presence of metastasis.
On admission to our hospital acute phase reactants; erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), fibrinogen and white blood cell (WBC) were high.
Objective: To analyze the acute phase reactants in patients suffering from rheumatoid arthritis (RA) and compare them to healthy controls.
Fifteen patients had fever (>38[degrees]C), 12 patients tachycardia, 16 patients high blood pressure, and 17 patients high acute phase reactants. However, the vital signs were not reliable because of accompanying diseases.

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