Posterior Versus Anterior Circulation Infarction

Abstract

Background and Purpose-Distinguishing between symptoms of posterior circulation infarction (PCI) and anterior circulation infarction (ACI) can be challenging. This study evaluated the frequency of symptoms/signs in the 2 vascular territories to determine the diagnostic value of particular symptoms/signs for PCI. Methods-Neurological deficits were reviewed and compared from 1174 consecutive patients with a diagnosis of PCI or ACI confirmed by magnetic resonance imaging in the Chengdu Stroke Registry. The diagnostic value of specific symptoms/signs for PCI was determined by measuring their sensitivity, specificity, positive predictive value (PPV), and the OR.

Risk factors, biomarkers, etiologic subtypes, outcome and prognosis of posterior circulation ischemic strokes

“…AIPC were reported 16-39.8% of ischemic stroke patients in previous studies (1,3,5,6,7,9,10). In our registry, AIPC was found in 184 (40.6%) patients.…”

“…In another study by Tao et al, male gender and DM was significantly associated with AIPC (3). Otherwise, most of studies showed that AF was higher in patients with AIAC (1,3,5). Conversely, Sato et al did not find any significant difference between patients with AIPC and AIAC (6).…”

“…Acute infarcts in posterior circulation (AIPC) have been reported 16-39.8% in previous studies (1,3,(5)(6)(7)9,10). The most frequent cause of AIPC was embolism from cardio-aortic, vertebra-basilar atherosclerosis or dissection, followed by large-artery atherosclerosis (LAA), small vessel disease and other causes.…”

A Randomised Controlled Trial of Treatment for Post-Stroke Homonymous Hemianopia: Screening and Recruitment

“…1 Homonymous hemianopia is a common sequela to stroke and is reported in up to 57% acutely post stroke onset. [2][3][4][5] If a patient recovers, this is usually by 3 months and may be full, with a return of normal visual fields in up to 44%, or partial recovery in up to 72%. 2,[6][7][8][9][10][11][12] Where homonymous hemianopia persists, it has considerable impact to daily life.…”

Posterior Circulation Ischemic Stroke

“…Acute-onset "crossed" deficit-cranial nerve territory symptoms on one side and sensory or motor deficit of the opposite arm and leg are virtually diagnostic of posterior circulation ischemia. 3 Conditions like acute peripheral vestibular dysfunctions, basilar migraine can mimic posterior circulation stroke. Early recognition of posterior circulation stroke is difficult compared with other types of strokes.…”