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Biomedical subjects

Steven J Willing

Publications and source records attributed to Steven J Willing.

6 recordsLinked to original sources
PubMed2004

Ischemic stroke after using over the counter products containing ephedra.

Dietary supplements containing Ephedra used for weight loss and physical performance enhancement such as "herbal ecstasy" are widely available, and it is estimated that at least 1% of the adult population have taken these products. Ephedra products including Ephedra alkaloids such as phenylpropanolamine or other ephedrine compounds are sold under different names such as Metabolife 356, Ripped Fuel, Thermadrene, and Shape-Fast Plus. Over 2 years, five patients with ischemic infarctions associated with use of Ephedra products were evaluated at Indiana University Hospital. Ephedrine, like other sympathomimetic agents, predisposes patients to both ischemic and hemorrhagic strokes. People who take over the counter Ephedra products that claim to boost weight loss, increase energy, or bolster physical performance are at risk of adverse events including ischemic and hemorrhagic strokes.

Adult↗
PubMed2003

Treatment of acute intracranial vertebrobasilar dissection with angioplasty and stent placement: report of two cases.

Acute vertebrobasilar dissection may cause subarachnoid hemorrhage by rupturing through the adventia or cerebral infarct by progressive occlusion of the true lumen. Recent reports on the endovascular management of this condition have focused on treatment of pseudoaneurysms. We report two cases where angioplasty or stent placement was successfully used to improve compromised blood flow secondary to vertebrobasilar dissection.

Acute Disease↗
PubMed2002

Stent placement in common carotid and internal carotid artery stenoses with use of an open transcervical approach in a patient with previous endarterectomy.

In this article, a patient with extensive cerebrovascular disease who had previously undergone bilateral carotid endarterectomy and subsequent operative revision on the left side is described. The patient developed critical restenosis at the cephalic end of the previous left patch angioplasty as well as a severe stenosis of the left common carotid artery origin, which originated from a bovine aortic arch configuration. His right common and internal carotid arteries had become occluded. Endovascular treatment with two metallic stents was successfully performed through a surgical cutdown on the immediate supraclavicular portion of the left common carotid artery to establish antegrade and subsequently retrograde vascular access.

Aged↗