Scaled cortical impact in immature swine: effect of age and gender on lesion volume.

The piglet scaled cortical impact model creates a focal contusion using a skull-mounted, spring-loaded blunt indentation device scaled to achieve identical tissue strains in subjects with different brain sizes. Preliminary data showed that contusion size increased proportional to subject age. This study details the results from a new, larger series of subjects of three ages, and compares the effect of age and additional host and physiologic variables on injury response.

Quick-brain magnetic resonance imaging for nonhydrocephalus indications.

Object: In 2002, "quick-brain" (QB) MR imaging (ultrafast spin echo T2-weighted imaging) was introduced as an alternative technique to CT scanning for assessing children with hydrocephalus. The authors have observed high patient and physician satisfaction with this technique at their institution, which has led to an increasing frequency of its use for nonhydrocephalic indications. The goal in this study was to characterize, quantitate, and assess the use of QB MR imaging for these additional indications.

Spinal epidural hematoma after spinal manipulative therapy in a patient undergoing anticoagulant therapy: a case report.

Objective: We report on the case of a patient with spinal epidural hematoma (SEH) after spinal manipulative therapy and review features of reported cases of a similar nature.

Clinical Features: The patient was undergoing Coumadin anticoagulant therapy for atrial fibrillation and presented to the chiropractor complaining of a stiff neck. After cervical manipulation, he developed paresthesia in both feet, progressing to motor deficits in all 4 extremities.

Chiari malformation Type I and a dolichoodontoid process responsible for sudden cardiorespiratory arrest. Case report.

The authors present the case of an 11-year-old girl who fell from standing height and experienced sudden cardiorespiratory arrest. A Chiari malformation Type I and a dolichoodontoid process were identified, and a brainstem contusion was found that correlated with the patient's clinical signs and symptoms. The authors hypothesize that the dolichoodontoid in a compromised craniocervical space created a contusion in the apposing brainstem at the time of head impact.