{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,3]],"date-time":"2026-05-03T07:20:53Z","timestamp":1777792853626,"version":"3.51.4"},"reference-count":74,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[1992,9,1]],"date-time":"1992-09-01T00:00:00Z","timestamp":715305600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Cereb Blood Flow Metab"],"published-print":{"date-parts":[[1992,9]]},"abstract":"<jats:p>\n                    The goal of this study was to investigate lactate and pH distributions in subacutely and chronically infarcted human brains. Magnetic resonance spectroscopic imaging (MRSI) was used to map spatial distributions of\n                    <jats:sup>1<\/jats:sup>\n                    H and\n                    <jats:sup>31<\/jats:sup>\n                    P metabolites in 11 nonhemorrhagic subacute to chronic cerebral infarction patients and 11 controls. All six infarcts containing lactate were alkalotic (pH\n                    <jats:sub>i<\/jats:sub>\n                    = 7.20 \u00b1 0.04 vs. 7.05 \u00b1 0.01 contralateral, p &lt; 0.01). This finding of elevated lactate and alkalosis in chronic infarctions does not support the presence of chronic ischemia; however, it is consistent with the presence of phagocytic cells, gliosis, altered buffering mechanisms, and\/or luxury perfusion. Total\n                    <jats:sup>1<\/jats:sup>\n                    H and\n                    <jats:sup>31<\/jats:sup>\n                    P metabolites were markedly reduced (about 50% on average) in subacute and chronic brain infarctions ( p &lt; 0.01), and N-acetyl aspartate (NAA) was reduced more (\u223c75%) than other metabolites ( p &lt; 0.01). Because NAA is localized in neurons, selective NAA reduction is consistent with pathological findings of a greater loss of neurons than glial cells in chronic infarctions.\n                  <\/jats:p>","DOI":"10.1038\/jcbfm.1992.104","type":"journal-article","created":{"date-parts":[[2011,6,10]],"date-time":"2011-06-10T03:59:27Z","timestamp":1307678367000},"page":"734-744","source":"Crossref","is-referenced-by-count":83,"title":["Elevated Lactate and Alkalosis in Chronic Human Brain Infarction Observed by\n                    <sup>1<\/sup>\n                    H and\n                    <sup>31<\/sup>\n                    P MR Spectroscopic Imaging"],"prefix":"10.1177","volume":"12","author":[{"given":"James W.","family":"Hugg","sequence":"first","affiliation":[{"name":"MR Unit, Department of Veterans Affairs Medical Center, San Francisco CA"},{"name":"Departments of Radiology, University of California, San Francisco CA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jeff H.","family":"Duijn","sequence":"additional","affiliation":[{"name":"MR Unit, Department of Veterans Affairs Medical Center, San Francisco CA"},{"name":"Departments of Radiology, University of California, San Francisco CA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gerald B.","family":"Matson","sequence":"additional","affiliation":[{"name":"MR Unit, Department of Veterans Affairs Medical Center, San Francisco CA"},{"name":"Departments of Pharmaceutical Chemistry, University of California, San Francisco CA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrew A.","family":"Maudsley","sequence":"additional","affiliation":[{"name":"MR Unit, Department of Veterans Affairs Medical Center, San Francisco CA"},{"name":"Departments of Radiology, University of California, San Francisco CA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jay S.","family":"Tsuruda","sequence":"additional","affiliation":[{"name":"Departments of Radiology, University of California, San Francisco CA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Deborah F.","family":"Gelinas","sequence":"additional","affiliation":[{"name":"Letterman Army Hospital, San Francisco, CA, U.S.A."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael W.","family":"Weiner","sequence":"additional","affiliation":[{"name":"MR Unit, Department of Veterans Affairs Medical Center, San Francisco CA"},{"name":"Departments of Radiology, University of California, San Francisco CA"},{"name":"Departments of Medicine, University of California, San Francisco CA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[1992,9,1]]},"reference":[{"key":"bibr1-jcbfm.1992.104","first-page":"F34","volume":"258","author":"Adler S","year":"1990","journal-title":"Am J Physiol"},{"key":"bibr2-jcbfm.1992.104","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.ph.47.030185.002553"},{"key":"bibr3-jcbfm.1992.104","doi-asserted-by":"publisher","DOI":"10.1021\/ac50045a016"},{"key":"bibr4-jcbfm.1992.104","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.19.12.1556"},{"key":"bibr5-jcbfm.1992.104","doi-asserted-by":"publisher","DOI":"10.1016\/S0149-7634(89)80048-X"},{"key":"bibr6-jcbfm.1992.104","doi-asserted-by":"publisher","DOI":"10.1111\/j.1749-6632.1987.tb32915.x"},{"key":"bibr7-jcbfm.1992.104","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.160.3.3737915"},{"key":"bibr8-jcbfm.1992.104","first-page":"39","volume":"8","author":"Brant-Zawadzki M","year":"1987","journal-title":"Am J Neuroradiol"},{"key":"bibr9-jcbfm.1992.104","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.79.11.3523"},{"key":"bibr10-jcbfm.1992.104","doi-asserted-by":"publisher","DOI":"10.1002\/mrm.1910090115"},{"key":"bibr11-jcbfm.1992.104","doi-asserted-by":"publisher","DOI":"10.1002\/mrm.1910130103"},{"key":"bibr12-jcbfm.1992.104","doi-asserted-by":"publisher","DOI":"10.1161\/01.STR.21.3.463"},{"key":"bibr13-jcbfm.1992.104","doi-asserted-by":"publisher","DOI":"10.1038\/jcbfm.1990.142"},{"key":"bibr14-jcbfm.1992.104","first-page":"F217","volume":"245","author":"Cohen DE","year":"1983","journal-title":"Am J Physiol"},{"key":"bibr15-jcbfm.1992.104","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.183.3.1584925"},{"key":"bibr16-jcbfm.1992.104","unstructured":"Ernst RR, Bodenhausen G, Wokaun A, (1987) Principles of Nuclear Magnetic Resonance in One and Two Dimensions. 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