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  • noun

Words related to catecholamine

any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland

References in periodicals archive ?
Catecholamine concentrations were adjusted for total urine volume and then divided by creatinine concentrations to account for differences in hydration (Djuric et al.
The sensitivity of urinary catecholamine supplemented with nuclear scanning with 131 metaiodobenzylguanidine (MIBG) 95.3%12.
Blood samples in both the groups were taken just after T2 measurements to assess serum catecholamine levels.
ECMO in this condition provided significant haemodynamic support and it ensured the weaning of the antiarrhythmic and catecholamine drugs, thereby achieving rate control and sinus rhythm.
In contrast, in long-term treatment, TCAs induce adrenergic desensitization, and moreover, catecholamine depletion may further deteriorate response to sympathomimetics.[5] The less potent sympathomimetics may not be effective for the hypotension in long-term TCA treatment patients because the adrenergic receptors are desensitized and catecholamine storage is depleted.[15] The depletion of norepinephrine stores resulting from TCAs causes a peripheral adrenergic receptor blockade and they block the reuptake of norepinephrine and dopamine at presynaptic nerve terminals.[16] This predisposes chronic TCA users to lower blood pressures during induction of anesthesia.
Effects of diazepam premedication and epinephrine-containing local anesthetic on cardiovascular and plasma catecholamine responses to oral surgery.
One possible mechanism is the aldosterone effect and the catecholamine effect of antipsychotic drugs.
MRI allows for visualization of vessel invasion and may be performed using contrast without risk of catecholamine release.
There have been some case reports on patients with CIPA who received general anesthesia without any analgesics [35] and in whom intraoperative levels of catecholamine and cortisol were measured [6].
Many experts believe that the catecholamine surge plays a role in wall akinesis.
Several factors could explain its intricate mechanisms, the main one being the abrupt interruption of catecholamine secretion by the neuroendocrine tumor after a long period of catecholamine-induced hypertension in a patient with a limited circulatory volume and desensitized adrenoceptors [7].
The generalized estimate equations, which take into account the correlation between the measurements from two eyes of one subject, were performed to compare pupil diameter, SC and IOP before and (0, 15, 30, 60 minutes) after exercise, and linear mixed-effects models were performed to compare blood pressure and plasma catecholamine before and (0, 15, 30, 60 minutes) after exercise.
Isoproterenol, a catecholamine acting as a [beta] adrenergic agonist, is commonly used to establish myocardial infarction (MI) in animal models for drug development.
[13] Urinary catecholamine excretion in tetanus has been found to exceed that in other critically ill patients.
These haemodynamic changes occur due to excessive catecholamine release which may result in tachycardia, hypertension and increased myocardial oxygen consumption.