The venous sinus is a cavity formed between the endosteal and meningeal layers of the dura. The sinuses are connected by channels to large cortical veins and together make up the venous system that ...

WASHINGTON — The U.S. announced on April 13 that they are recommending a "pause" of single-dose Johnson & Johnson COVID-19 vaccines from being administered as they investigate "extremely rate" blood ...

On Earth, blood flows down from a person's brain back toward the heart thanks in part to gravity, but very little is known about how this flow happens in microgravity. Many crew members aboard the ...

The Food and Drug Administration and the Centers for Disease Control and Prevention on Tuesday recommended that the Johnson & Johnson’s COVID vaccine be paused to review six reported cases of an ...

Shortly after the mass vaccination program against coronavirus disease 2019 (COVID-19) began in the UK, news outlets began to report severe side effects in a minority of those vaccinated. One of the ...

As President of the Chinese Academy of Medical Sciences (CAMS) and Peking Union Medical College (PUMC) in Beijing, China, ...

A severe headache can indicate a stroke, but it could signal a lot of other things too. Research presented at the American Stroke Association’s 26th International Stroke Conference may help doctors ...

Clots in the arteries (arterial thrombosis) are the most common cause of stroke (ischaemic stroke) and have been reported in detail for the first time in young adults who received the ...

A practical calculator that predicts the risk of epilepsy after venous stroke is presented in a study from the University of Gothenburg and others. The aim is to improve care for those affected, which ...

Patients with focal neurological signs may be both negative (deficits), as a result of a focal cortical damage secondary to a venous stroke (over 40% of patients; Table 3), or positive, reflecting a ...

Cerebral venous thrombosis (CVT) is a multifaceted cerebrovascular disorder resulting from thrombus formation within the cerebral veins or dural sinuses. This condition disrupts normal venous outflow, ...