hyperacute


Also found in: Dictionary.
Related to hyperacute: Hyperacute rejection

hyperacute

 [hi″per-ah-kūt´]
extremely acute.

hyperacute

(hī″pĕr-ă-kūt′)
Extremely or excessively acute.

hyperacute

extremely acute; course of a few hours. Called also peracute.
References in periodicals archive ?
Therapy of postoperative stroke: Report of intra-arterial thrombolysis of a hyperacute embolic stroke 5 days following CABG.
1999) and has been used precisely to remove donor specific antibodies that would cause hyperacute rejection or acute antibody-mediated rejection (Montgomery et al.
Four healthy piglets are born without the gene--alpha 1, 3 galactose- responsible for making an enzyme that adds sugar to the surface of pig cells that leads to hyperacute rejection of the pig organ.
1-3) This discrepancy is due to presumed differences in organ-specific rates of hyperacute rejection, which are controversial.
Our unit was chosen to be part of a Department of Health initiative establishing eight hyperacute stroke research centres across England with the aim of carrying out studies involving advanced brain imaging.
During this outbreak, 2 clinical forms were observed in camels: a hyperacute form, with sudden death in <24 hours; and an acute form with fever, ataxia, ballooning, edema at the base of the neck, audible expiratory wheeze and ventral positional dyspnea, blood-tinged nasal discharge, icterus, severe conjunctivitis with ocular discharge and blindness, hemorrhages of gums and tongue, foot lesions, nervous symptoms, and abortions (Figure 2).
The most profound barrier to pig-to-primate xenotransplantation is the rejection of the grafted organ by a cascade of immune mechanisms commonly referred to as hyperacute rejection (HAR), acute vascular rejection (AVR)/humoral xenograft rejection (AHXR), immune cell-mediated rejection, and chronic rejection.
A retrospective study of stroke patients in eight centers found that hyperacute stroke treatment can be initiated, often within 55 minutes of patient's arrival at the hospital in both community and academic settings when all aspects of stroke care processes are identified, streamlined, and built into the day-to-day operations of the hospital healthcare delivery system (Anonymous, 1997).
In the hyperacute phase, noncontrast CT (NCCT) is widely accepted as the standard neuroimaging technique, and NCCT is typically conducted in all suspected stroke patients after medical stabilization to detect cerebral lesions or acute hemorrhage (7).
Federal Drug Administration approval of the intravenous thrombolytic agent tissue plasminogen activator (TPA) and growing "off-label" use of IA thrombolytic and/or anti-platelet agents for treatment of CNS thromboembolic ischemia has brought renewed interest in identifying CT findings during the hyperacute phase (<6 hours) of cerebral infarction.
Patients with hyperacute stroke should undergo emergent brain computed tomography (CT).
The 4 healthy piglets were born without the gene--alpha 1, 3 galactose- responsible for making an enzyme that adds sugar to the surface of pig cells which is recognized by the human immune system as foreign which in turn leads to hyperacute rejection of the pig organ.