Results 241 to 250 of about 161,579 (302)

Preterm assisted vaginal births and associated maternal and neonatal outcomes: A retrospective study in a tertiary hospital

open access: yesInternational Journal of Gynecology &Obstetrics, EarlyView.
Abstract Objectives This study compares maternal and neonatal outcomes between preterm vacuum and forceps‐assisted vaginal births and evaluates preterm outcomes between those <34 + 0 weeks gestation to those ≥34 + 0. Methods This study is a single‐center retrospective cohort study of all singleton assisted vaginal births during 2014–2021. Delivery data
Caroline Leps   +7 more
wiley   +1 more source

Therapeutic role of nifedipine in threatened preterm labor: Current evidence and future perspectives

open access: yesInternational Journal of Gynecology &Obstetrics, EarlyView.
Abstract Preterm birth occurs in approximately 10% of all pregnancies, and is not only the leading cause of neonatal mortality but also a major contributor to short‐ and long‐term morbidities due to immaturity. Preterm birth has also been linked to an increased risk of maternal cardiovascular and cerebrovascular diseases, making it a critical concern ...
Hikaru Imatake   +4 more
wiley   +1 more source

Study of Risk Factors and Image Findings of Isolated Abdominal Incidentally Detected Aortic Dissection

open access: yesJournal of Clinical Ultrasound, Volume 53, Issue 3, Page 429-435, March/April 2025.
We detect the risk factors and image characteristics of incidentally detected IAAD. Independent risk factors of IAAD included fatty liver and smoking. In the ultrasound findings of IAAD, an intimal flap was frequently observed. In the CT scan, displacement of intimal calcifications was frequently observed. For suspected IAAD, the abdominal aorta should
Hiromasa Tsubouchi   +15 more
wiley   +1 more source

Clinical Validation of a Fast MRI Method to Evaluate Brain Vascular and Parenchymal Abnormalities in Sturge‐Weber Syndrome

open access: yesJournal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background Sturge‐Weber syndrome (SWS) is a rare neurocutaneous disorder associated with venous capillary malformations, atrophy, and calcifications. Longitudinal imaging is limited by risks of sedation and gadolinium exposure in children.
Scotty G. McKay   +5 more
wiley   +1 more source

Pre‐operative transcranial Doppler ultrasound assessment of cerebral collateral circulation in children undergoing veno‐arterial extracorporeal membrane oxygenation or cardiac surgery

open access: yesJournal of Medical Radiation Sciences, EarlyView.
A pre‐cannulation survey of the circle of Willis (CoW) using transcranial Doppler (TCD) ultrasound was implemented to assess cerebral collateral circulation in children undergoing VA ECMO or cardiac surgery with cervical cannulation. The technique, in use since 2019, employs high‐end ultrasound platforms to assess brain morphology, haemorrhage and ...
Tristan Reddan   +3 more
wiley   +1 more source
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Experimental cerebral ischemia

Neurosurgery, 1980
The basic concepts of the pathology and pathophysiology of cerebral ischemia are presented. Special emphasis is given to the changes that occur in the microcirculation and in autoregulation because of their primary role in the pathogenesis of cerebral infarction. The effects of adrenal steroids, barbiturates, and cerebral revascularization are reviewed.
F G, Diaz, J I, Ausman
openaire   +2 more sources

Centrifugal Cerebral Ischemia

Archives of Surgery, 1970
Eighteen of twenty patients with subclavian or innominate artery obstruction experienced episodes of transient cerebral arterial insufficiency; one patient suffered acute stroke and coma; all patients had angiographic evidence of subclavian or innominate artery obstruction; and most were shown to have retrograde flow in a vertebral artery. Two clinical
R L, Hewitt, R F, Weichert, T, Drapanas
openaire   +2 more sources

Focal Cerebral Ischemia

2011
Rodent models of focal cerebral ischemia have been extremely useful in elucidating pathomechanisms of human stroke. Most commonly, a monofilament is advanced through the internal carotid artery of rodents to occlude the origin of the middle cerebral artery thus leading to critical ischemia in the corresponding vascular territory.
Stefan, Braeuninger   +3 more
openaire   +2 more sources

Cerebral ischemia with CT

Computerized Tomography, 1977
One hundred fifty-eight patients with cerebral ischemia, and divided into four clinical groups were studied with CT. The results were correlated with those of angiography, scintigraphy and regional cerebral blood flow measurement. CT evolution was closely correlated with clinical and anatomical evolution.
P, Constant   +4 more
openaire   +2 more sources

CEREBRAL ISCHEMIA AND INFARCTION

Neuroimaging Clinics of North America, 1994
Cerebral infarction is most commonly related to atherosclerotic disease in the carotid and vertebrobasilar circulations. TIAs are manifestations of this same disease process and may occur before a complete infarction. The transformation of pale to hemorrhagic infarction may result from reperfusion of an infarct or from migration of an embolus.
A N, Hasso, W A, Stringer, K D, Brown
openaire   +2 more sources

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