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Biomedical subjects

A B Hummelgard

Publications and source records attributed to A B Hummelgard.

3 recordsLinked to original sources

Detachable balloon occlusion of carotid-cavernous sinus fistula.

A carotid-cavernous sinus fistula, an abnormal communication between the carotid artery and the cavernous sinus, may develop as a result of trauma or spontaneously. The goal of treatment is to occlude the fistula while preserving blood flow in the carotid artery. Intravascular embolization by means of a detachable balloon achieves both these goals without craniotomy. Clinical signs, diagnosis, treatment, and a nursing care plan for patients with carotid-cavernous sinus fistula are presented. Two case studies along with nursing interventions are described.

Adult

Traumatic aneurysms.

A traumatic aneurysm is a potentially lethal complication of head trauma. The problem is unusual but not rare. The majority of traumatic aneurysms are caused by blunt injuries to the head (62%), although penetrating wounds (27%) and iatrogenic trauma (11%) during intracranial surgery are also well recognized. The pathogenesis, diagnosis, and management of traumatic aneurysm are discussed, with focus on the patient course and nursing implications of a case study.

Adolescent

Ruptured aneurysm in pregnancy.

Within the last ten years, twenty pregnant women with ruptured intracranial aneurysms were managed at Los Angeles County-University of Southern California Medical Center. Difficulties encountered in the care of these patients will be illustrated with case studies. In two patients, failure to diagnose subarachnoid hemorrhage delayed management. In another patient, cerebral vasospasm complicated the course. Selection of appropriate diagnostic tests, timing of surgery, importance of fetal monitoring, and method of delivery will be discussed.

Adolescent