{"corpus_id":44971750,"paper_sha":"3608fdc5df5156d835adfcf9d7c8082e1406f511","doi":"10.3171/JNS.1982.57.6.0769","arxiv_id":null,"pmid":7143059,"pmcid":null,"mag_id":2096365100,"dblp_id":null,"acl_id":null,"title":"Noninvasive transcranial Doppler ultrasound recording of flow velocity in basal cerebral arteries.","year":1982,"publication_date":"1982-12-01","venue":"Journal of Neurosurgery","journal":{"name":"Journal of neurosurgery","pages":"\n          769-74\n        ","volume":"57 6"},"journal_issn":null,"journal_title":null,"publication_types":["JournalArticle"],"pubmed_pub_types":["Journal Article"],"s2_fields_of_study":["Medicine"],"reference_count":9,"citation_count":3183,"influential_citation_count":94,"is_open_access":false,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":[{"d":"Adult","mj":false,"ui":"D000328"},{"d":"Aged","mj":false,"ui":"D000368"},{"d":"Blood Flow Velocity","mj":true,"ui":"D001783"},{"d":"Cerebral Arteries","mj":true,"ui":"D002536"},{"d":"Cerebrovascular Circulation","mj":true,"ui":"D002560"},{"d":"Humans","mj":false,"ui":"D006801"},{"d":"Male","mj":false,"ui":"D008297"},{"d":"Middle Aged","mj":false,"ui":"D008875"},{"d":"Ultrasonics","mj":false,"qs":[{"q":"instrumentation","mj":false,"ui":"Q000295"}],"ui":"D014465"},{"d":"Ultrasonography","mj":true,"ui":"D014463"}],"chemicals":null,"comments_corrections":null,"source_flags":5,"s2_open_access_pdf_url":null,"s2_open_access_landing_url":null,"s2_open_access_license":null,"s2_open_access_status":null,"pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"In this report the authors describe a noninvasive transcranial method of determining the flow velocities in the basal cerebral arteries. Placement of the probe of a range-gated ultrasound Doppler instrument in the temporal area just above the zygomatic arch allowed the velocities in the middle cerebral artery (MCA) to be determined from the Doppler signals. The flow velocities in the proximal anterior (ACA) and posterior (PCA) cerebral arteries were also recorded at steady state and during test compression of the common carotid arteries. An investigation of 50 healthy subjects by this transcranial Doppler method revealed that the velocity in the MCA, ACA, and PCA was 62 +/- 12, 51 +/0 12, and 44 +/- 11 cm/sec, respectively. This method is of particular value for the detection of vasospasm following subarachnoid hemorrhage and for evaluating the cerebral circulation in occlusive disease of the carotid and vertebral arteries.","claims":[{"public_id":"cl_2db042ffe13f2ff2da27b1cb674b7594","status":"active","text":"A noninvasive transcranial Doppler ultrasound method using a range-gated instrument placed at the temporal area above the zygomatic arch allows determination of flow velocities in the middle cerebral artery (MCA), proximal anterior cerebral artery (ACA), and posterior cerebral artery (PCA).","confidence":0.95,"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_2db042ffe13f2ff2da27b1cb674b7594"},{"public_id":"cl_409b669b909ec4361ecb3787ab81ec4c","status":"active","text":"In 50 healthy subjects, the mean flow velocity in the MCA was 62 ± 12 cm/sec, in the ACA was 51 ± 12 cm/sec, and in the PCA was 44 ± 11 cm/sec.","confidence":0.95,"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_409b669b909ec4361ecb3787ab81ec4c"},{"public_id":"cl_bdc0b944ea8e42485f7a0ae4c94f38dd","status":"active","text":"The transcranial Doppler method is of particular value for detecting vasospasm following subarachnoid hemorrhage and for evaluating cerebral circulation in occlusive disease of the carotid and vertebral arteries.","confidence":0.9,"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_bdc0b944ea8e42485f7a0ae4c94f38dd"}],"concepts":[{"public_id":"co_129e324c7be05d2a4f2369fb8fd8801d","status":"active","name":"range-gated ultrasound Doppler instrument","description":"The specific Doppler device used, placed at the temporal area above the zygomatic arch to obtain signals from basal cerebral arteries.","types":["instrument"],"aliases":[],"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_129e324c7be05d2a4f2369fb8fd8801d"},{"public_id":"co_168d7200631dc17e89d1e4658d67c513","status":"active","name":"posterior cerebral artery","description":"Proximal segment of the posterior cerebral artery; flow velocity recorded at steady state and during carotid compression.","types":["anatomical structure"],"aliases":["PCA"],"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_168d7200631dc17e89d1e4658d67c513"},{"public_id":"co_168ee8b30c11470df88540ba631915f3","status":"active","name":"occlusive disease of the carotid and vertebral arteries","description":"A condition for which the transcranial Doppler method is useful for evaluating cerebral circulation.","types":["condition"],"aliases":[],"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_168ee8b30c11470df88540ba631915f3"},{"public_id":"co_6db04444d9b58f4126c411db21d3d65e","status":"active","name":"transcranial Doppler ultrasound","description":"A noninvasive method using Doppler ultrasound through the skull to record flow velocities in basal cerebral arteries.","types":["method"],"aliases":["transcranial Doppler method"],"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_6db04444d9b58f4126c411db21d3d65e"},{"public_id":"co_83c7a093f217b5a908b906ed562249a3","status":"active","name":"subarachnoid hemorrhage","description":"A clinical event after which vasospasm detection is a key application of the transcranial Doppler method.","types":["condition"],"aliases":[],"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_83c7a093f217b5a908b906ed562249a3"},{"public_id":"co_8c0f343fec0f2b512cbffbe4adbc8398","status":"active","name":"healthy subjects","description":"The 50 healthy individuals in whom the velocity measurements were obtained.","types":["study population"],"aliases":[],"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_8c0f343fec0f2b512cbffbe4adbc8398"},{"public_id":"co_96b5fedeeb586126afd431584c9166c3","status":"active","name":"vasospasm","description":"A condition that the transcranial Doppler method is particularly valuable for detecting, following subarachnoid hemorrhage.","types":["condition"],"aliases":[],"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_96b5fedeeb586126afd431584c9166c3"},{"public_id":"co_c9d7b2a4d6c5d259f70506dec5411d78","status":"active","name":"middle cerebral artery","description":"One of the basal cerebral arteries; its flow velocity was measured via the transcranial Doppler method.","types":["anatomical structure"],"aliases":["MCA"],"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_c9d7b2a4d6c5d259f70506dec5411d78"},{"public_id":"co_e7bc9d1d85d85294dd69ceb548111738","status":"active","name":"anterior cerebral artery","description":"Proximal segment of the anterior cerebral artery; flow velocity recorded at steady state and during carotid compression.","types":["anatomical structure"],"aliases":["ACA"],"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_e7bc9d1d85d85294dd69ceb548111738"}],"external_ids":{"DOI":"10.3171/JNS.1982.57.6.0769","ArXiv":null,"PubMed":7143059,"PubMedCentral":null,"MAG":2096365100,"DBLP":null,"ACL":null},"open_access":{"is_open_access":false,"pdf_url":null,"landing_url":"https://sah.borca.ai/papers/44971750","source":null,"pdf_url_source":null,"license":null,"reason":"pdf_url_not_indexed"},"reference_availability":{"status":"available","references_indexed":true,"full_text_available":false,"full_text_source":null,"count_basis":"semantic_scholar_metadata","extraction_status":"not_applicable","reason":null},"source":{"provider":"episteme2","base_corpus":"semantic_scholar_dump","freshness_mode":"unknown","basis":["semantic_scholar_metadata","postgres_metadata"],"limits":["paper metadata is based on indexed upstream scholarly datasets","claims and concepts are available only for extracted papers","absence of claims or concepts means no extracted graph data is available in this response"],"status":"available","degraded":false,"degraded_reasons":[],"diagnostics":{"status":"available","degraded":false,"degraded_reasons":[],"metadata_status":"available","graph_status":"available","abstract_status":"available"},"source_flags":5},"paper_id":637188,"paper_uid":"2fe2d667-bfed-4ed0-926d-67f5c4b084f7","canonical_identity":{"paper_id":637188,"paper_uid":"2fe2d667-bfed-4ed0-926d-67f5c4b084f7","identity_status":"available","lookup_basis":"semantic_scholar_external_id","compatibility_path":"corpus_id"},"url":"https://sah.borca.ai/papers/44971750"}