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Biomedical subjects

Martin MacFarlane

Publications and source records attributed to Martin MacFarlane.

3 recordsLinked to original sources

Head injury and associated maxillofacial injuries.

AIMS: To review patients admitted with head injuries under a regional neurosurgical service, to document the incidence and features of associated maxillofacial trauma, and to assess any delay in referral to a maxillofacial surgeon for definitive management of facial injuries. METHODS: The details of all patients admitted under the neurosurgical service at Christchurch Hospital over the preceding 7 years (1995-2002) were reviewed via that department's database. The records of those patients noted to have a maxillofacial injury were requested, and the following data obtained: demographics, diagnosis, and mode of injury (including specific variables such as alcohol consumption and seatbelt usage in motor vehicle accidents). RESULTS: 2307 patients were admitted under the neurosurgical service at Christchurch Hospital over a 7-year period. Five percent of those patients had an associated maxillofacial injury. Three-quarters were men, with an average age of 27 years. Motor vehicle accidents and assaults were the most common cause of injury. Nearly one-third of those persons in motor vehicle accidents were not wearing seatbelts. Alcohol was more frequently involved in mild and moderate head injuries and these patients were more likely to have been assaulted than those admitted with severe head injuries. There were no significant delays in referring patients admitted who had an associated maxillofacial injury to a maxillofacial surgeon. CONCLUSIONS: A small but significant number of patients admitted with head injuries will have an associated maxillofacial injury.

Adolescent↗

[Bipolar head injury with global amnesia].

We report the first case of bipolar head injury, that is, subsequent head injuries sustained near both poles of the Earth. The injury caused a true global amnesia with loss of memory for the journey around the globe. This case history illustrates how modern emergency services have reduced the hazards of polar exploration, and how a second impact after a primary head injury may cause life-threatening complications.

Adult↗

A diplopia dilemma.

A 38-year-old man experienced double vision with pupillary abnormalities and convergence retraction nystagmus. A mass, which responded to radiation therapy, was seen as the cause of his dorsal midbrain syndrome. The neural control of vertical eye movements is reviewed and the management of a third ventricular-pineal region mass discussed.

Adult↗