PubMed · 2226969
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B L Drummond. 1990. Preventing increased ICP.. https://pubmed.ncbi.nlm.nih.gov/2226969/
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Until recently, primary headache disorders such as migraine and cluster headache were considered to be vascular in origin. However, advances in neuroimaging techniques, such as positron emission tomography, single photon emission computerized tomography, and functional magnetic resonance imaging, have augmented the growing clinical evidence that these headaches are primarily driven from the brain. This review covers functional imaging studies in migraine, cluster headache, rarer headache syndromes, and experimental head pain. Together with newer techniques, such as voxel-based morphometry and magnetic resonance spectrometry, functional imaging continues to play a role in elucidating and targeting the neural substrates in each of the primary headache syndromes.
Caring for critically ill patients with a subarachnoid haemorrhage and preventing its most prevalent and devastating complication, vasospasm, requires an in-depth understanding of the mechanisms which underpin the physiology of SAH. This is essential to provide appropriate nursing practice derived from theory. All too often practitioners are asked to follow unsubstantiated regimes without question of the origins of practices. This paper approaches the physiological theory underpinning the mechanisms surrounding subarachnoid haemorrhage and the altered cerebral and extracerebral dysfunction which can occur. Physiological theory is analysed to generate nursing interventions which may be individually tailored to provide comprehensive nursing care with a sound underpinning to its practice. The foundations of effective management of SAH lies within prevention, early diagnosis, and correction of complications [Neurosurg. Clin. North Am. 9 (3) (1998) 595]. In order for such identification to take place, it is essential to have an understanding of the physiological theory that underpins the basis of care interventions. These interventions should compliment all other theoretical input that influences patient care and nursing practice, contributing to a holistic, dynamically formulated plan of care.
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