{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T16:48:13Z","timestamp":1769100493716,"version":"3.49.0"},"reference-count":13,"publisher":"BMJ","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Neurology, Neurosurgery & Psychiatry"],"published-print":{"date-parts":[[1971,12,1]]},"DOI":"10.1136\/jnnp.34.6.687","type":"journal-article","created":{"date-parts":[[2008,11,10]],"date-time":"2008-11-10T21:02:42Z","timestamp":1226350962000},"page":"687-692","source":"Crossref","is-referenced-by-count":27,"title":["Effect of intracranial hypotension on cerebral blood flow"],"prefix":"10.1136","volume":"34","author":[{"given":"J. H.","family":"Salmon","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A. L.","family":"Timperman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","reference":[{"key":"ref_1","article-title":"collapsible vessel influences the diameter of the vessel (Lassen, 1959). When the intracranial pressure is lowered, there is less pressure on the external surface of the artery. The artery dilates and permits increased flow. This is logical but it seems to contradict the findings of Langfitt","unstructured":"collapsible vessel influences the diameter of the vessel (Lassen, 1959). When the intracranial pressure is lowered, there is less pressure on the external surface of the artery. The artery dilates and permits increased flow. This is logical but it seems to contradict the findings of Langfitt, Weinstein, and Kassell"},{"key":"ref_2","article-title":"who found that cerebral vascular dilatation was a constant response to intracranial hypertension","unstructured":", who found that cerebral vascular dilatation was a constant response to intracranial hypertension."},{"key":"ref_3","article-title":"agrees that vascular dilatation occurs with increased intracranial pressure but maintains that this vascular engorgement occurs mainly in the veins rather than the arteries. 'In fact, x-ray study with the injection of barium sulfate disclosed that the cortical arteries were narrowed, as when cerebral angiography is performed in patients with increased intracranial pressure.' We are unaware of any study in which intracranial vessels were observed under conditions of decreased intracranial pressure","author":"Hekmatpanah","year":"1970","unstructured":"Hekmatpanah (1970) agrees that vascular dilatation occurs with increased intracranial pressure but maintains that this vascular engorgement occurs mainly in the veins rather than the arteries. 'In fact, x-ray study with the injection of barium sulfate disclosed that the cortical arteries were narrowed, as when cerebral angiography is performed in patients with increased intracranial pressure.' We are unaware of any study in which intracranial vessels were observed under conditions of decreased intracranial pressure."},{"key":"ref_4","series-title":"Proceedings 1970 Princeton Conference on Cerebral Vascular Disease","article-title":"The effects of hyperventilation on regional cerebral blood flow. On the role of changes in intracranial pressure for shifts in CBF distribution","author":"Brock, M.; Hadjidimos, A.A.; Deruaz, J.P.","year":"1971","unstructured":"Brock, M., Hadjidimos, A. A., Deruaz, J. P. (1971). The effects of hyperventilation on regional cerebral blood flow. On the role of changes in intracranial pressure for shifts in CBF distribution. In Proceedings 1970 Princeton Conference on Cerebral Vascular Disease. (In press.)"},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"644","DOI":"10.3171\/jns.1969.31.6.0644","article-title":"Preand postoperative evaluation of cerebral blood flow in low-pressure hydrocephalus","volume":"31","year":"1969","unstructured":"Greitz, T. V. B., Grepe, A. 0. L., Kalm6r, M. S. F., and Lopez, J. (1969). Preand postoperative evaluation of cerebral blood flow in low-pressure hydrocephalus. J. Neurosurg., 31, 644-651.","journal-title":"J. Neurosurg"},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1177\/003693306100600103","article-title":"Measurement of blood flow in the cerebral cortex of dogs, by the clearance of","volume":"6","author":"Harper, A.M.; Glass, H.I.; Glover, M.M.","year":"1961","unstructured":"Harper, A. M., Glass, H. I., and Glover, M. M. (1961). Measurement of blood flow in the cerebral cortex of dogs, by the clearance of Krypton-85. Scot. med. J., 6, 12-17.","journal-title":"Krypton-85. Scot. med. J"},{"key":"ref_7","article-title":"The measurement of local blood flow in the cerebral cortex from the clearance of Xenon'33","author":"Harper, A.M.; Glass, H.I.; Steven, J.L.; Granat, A.H.","year":"1964","unstructured":"Harper, A. M., Glass, H. I., Steven, J. L., and Granat, A. H. (1964). The measurement of local blood flow in the cerebral cortex from the clearance of Xenon'33. J. Neurol.","journal-title":"J. Neurol"},{"key":"ref_8","first-page":"21","article-title":"Cerebral circulation and perfusion in experimental increased intracranial pressure","volume":"32","author":"Hekmatpanah, J.","year":"1970","unstructured":"Hekmatpanah, J. (1970). Cerebral circulation and perfusion in experimental increased intracranial pressure. J. Neurosurg, 32, 21-29. H0edt-Rasmussen, K., Sveinsdottir, E., and Lassen, N. A. (1966). Regional cerebral blood flow in man determined by the intra-arterial injection of radioactive inert gas.","journal-title":"J. Neurosurg; Regional cerebral blood flow in man determined by the intra-arterial injection of radioactive inert gas"},{"key":"ref_9","author":"Langfitt, T.W.; Weinstein, J.D.; Kassell, N.","year":"1965","unstructured":"Langfitt, T. W., Weinstein, J. D., and Kassell, N. F. (1965)."},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"183","DOI":"10.1152\/physrev.1959.39.2.183","article-title":"Cerebral blood flow and oxygen consumption in man","volume":"39","author":"Lassen, N.A.","year":"1959","unstructured":"Lassen, N. A. (1959). Cerebral blood flow and oxygen consumption in man. Physiol. Rev., 39, 183-238.","journal-title":"Physiol. Rev"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"315","DOI":"10.1212\/WNL.20.4.315","article-title":"Regional cerebral blood flow in senile and presenile dementia","volume":"20","author":"Obrist, W.D.; Chivian, E.; Cronqvist, S.; Ingvar, D.H.","year":"1970","unstructured":"Obrist, W. D., Chivian, E., Cronqvist, S., and Ingvar, D. H. (1970). Regional cerebral blood flow in senile and presenile dementia. Neurology (Minneap.), 20, 315-322.","journal-title":"Neurology (Minneap.)"},{"key":"ref_12","first-page":"205","article-title":"Cerebral blood flow in intracranial hemorrhage-evaluation of arterial spasm","volume-title":"with Xenon133. In Current Topics in Surgical Research","volume":"1","author":"Salmon, J.H.","year":"1969","unstructured":"Salmon, J. H. (1969). Cerebral blood flow in intracranial hemorrhage-evaluation of arterial spasm with Xenon133. In Current Topics in Surgical Research, edited by G. D. Zuidema, and D. B. Skinner, Vol. 1, pp. 205-218. Academic"},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"86","DOI":"10.1097\/00004424-196803000-00004","article-title":"Relationship between cerebral angiographic circulation time and regional cerebral blood flow","volume":"3","author":"York. Zingesser, L.H.; Schechter, M.M.; Dexter, J.; Katzman, R.; Scheinberg, L.C.","year":"1968","unstructured":"Press: New York. Zingesser, L. H., Schechter, M. 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