Treatment of unruptured cerebral aneurysms in California
The impact of endovascular therapy on treatment outcomes of unruptured cerebral aneurysms has not been studied in a defined geographic area. All primary diagnoses of unruptured aneurysms were retrieved from a statewide database of hospital discharges in California from January 1990 through December...
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| Veröffentlicht in: | Stroke (1970) 2001-03, Vol.32 (3), p.597-605 |
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| creator | Johnston, S C Zhao, S Dudley, R A Berman, M F Gress, D R |
| description | The impact of endovascular therapy on treatment outcomes of unruptured cerebral aneurysms has not been studied in a defined geographic area.
All primary diagnoses of unruptured aneurysms were retrieved from a statewide database of hospital discharges in California from January 1990 through December 1998. Admissions for initial treatment and all follow-up care were combined to reflect the entire course of therapy. An adverse outcome was defined as an in-hospital death or discharge to nursing home or rehabilitation hospital at any point during the treatment course. Multivariable analyses were performed with generalized estimating equations with adjustment for age, sex, ethnicity, source of admission, year of treatment, hospital volume, and clustering of observations at institutions.
A total of 2069 patients were treated for unruptured aneurysms. Adverse outcomes were more frequent in the 1699 patients treated with surgery (25%) than in those treated with endovascular therapy (10%; P: |
| doi_str_mv | 10.1161/01.str.32.3.597 |
| format | Article |
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All primary diagnoses of unruptured aneurysms were retrieved from a statewide database of hospital discharges in California from January 1990 through December 1998. Admissions for initial treatment and all follow-up care were combined to reflect the entire course of therapy. An adverse outcome was defined as an in-hospital death or discharge to nursing home or rehabilitation hospital at any point during the treatment course. Multivariable analyses were performed with generalized estimating equations with adjustment for age, sex, ethnicity, source of admission, year of treatment, hospital volume, and clustering of observations at institutions.
A total of 2069 patients were treated for unruptured aneurysms. Adverse outcomes were more frequent in the 1699 patients treated with surgery (25%) than in those treated with endovascular therapy (10%; P:<0.001). The difference persisted after multivariable adjustment (surgery versus endovascular therapy: odds ratio for adverse outcomes, 3.1; 95% CI, 2.5 to 4.0; P:<0.001). Adverse outcomes declined from 1991 to 1998 in patients treated with endovascular therapy (P:<0.005) but not for surgery. In-hospital deaths occurred in 3.5% of surgical cases and 0.5% of endovascular cases (P:=0.003), and the difference remained significant after adjustment (odds ratio, 6.3; 95% CI, 3.5 to 11.4; P:<0.001). Total length of stay and hospital charges were greater in surgical cases (both P:<0.001). Results were similar in a confirmatory analysis focusing on treatment differences between institutions. Institutional treatment volume was also associated with outcome but did not account for the differences between surgery and endovascular therapy.
In California, endovascular therapy of unruptured aneurysms is associated with less risk of adverse outcomes and in-hospital death, lower hospital charges, and shorter hospital stays compared with surgery. Differences between therapies became more distinct through the years. Uncontrolled differences in prognosis of patients receiving endovascular therapy and surgery cannot be ruled out in this study of discharge abstracts.</description><identifier>ISSN: 0039-2499</identifier><identifier>EISSN: 1524-4628</identifier><identifier>DOI: 10.1161/01.str.32.3.597</identifier><identifier>PMID: 11239174</identifier><language>eng</language><publisher>United States</publisher><subject>Aneurysm, Ruptured - epidemiology ; California - epidemiology ; Cohort Studies ; Demography ; Embolization, Therapeutic - adverse effects ; Embolization, Therapeutic - economics ; Embolization, Therapeutic - statistics & numerical data ; Female ; Follow-Up Studies ; Humans ; Intracranial Aneurysm - diagnosis ; Intracranial Aneurysm - epidemiology ; Intracranial Aneurysm - therapy ; Length of Stay - economics ; Length of Stay - statistics & numerical data ; Male ; Middle Aged ; Multivariate Analysis ; Odds Ratio ; Prognosis ; Risk Assessment ; Treatment Outcome ; Vascular Surgical Procedures - adverse effects ; Vascular Surgical Procedures - economics ; Vascular Surgical Procedures - statistics & numerical data</subject><ispartof>Stroke (1970), 2001-03, Vol.32 (3), p.597-605</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c400t-97506c54b069eda7beed083489cd2def8ae688dad22f4f2b7e8980d3b3e8e97b3</citedby><cites>FETCH-LOGICAL-c400t-97506c54b069eda7beed083489cd2def8ae688dad22f4f2b7e8980d3b3e8e97b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,3674,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11239174$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Johnston, S C</creatorcontrib><creatorcontrib>Zhao, S</creatorcontrib><creatorcontrib>Dudley, R A</creatorcontrib><creatorcontrib>Berman, M F</creatorcontrib><creatorcontrib>Gress, D R</creatorcontrib><title>Treatment of unruptured cerebral aneurysms in California</title><title>Stroke (1970)</title><addtitle>Stroke</addtitle><description>The impact of endovascular therapy on treatment outcomes of unruptured cerebral aneurysms has not been studied in a defined geographic area.
All primary diagnoses of unruptured aneurysms were retrieved from a statewide database of hospital discharges in California from January 1990 through December 1998. Admissions for initial treatment and all follow-up care were combined to reflect the entire course of therapy. An adverse outcome was defined as an in-hospital death or discharge to nursing home or rehabilitation hospital at any point during the treatment course. Multivariable analyses were performed with generalized estimating equations with adjustment for age, sex, ethnicity, source of admission, year of treatment, hospital volume, and clustering of observations at institutions.
A total of 2069 patients were treated for unruptured aneurysms. Adverse outcomes were more frequent in the 1699 patients treated with surgery (25%) than in those treated with endovascular therapy (10%; P:<0.001). The difference persisted after multivariable adjustment (surgery versus endovascular therapy: odds ratio for adverse outcomes, 3.1; 95% CI, 2.5 to 4.0; P:<0.001). Adverse outcomes declined from 1991 to 1998 in patients treated with endovascular therapy (P:<0.005) but not for surgery. In-hospital deaths occurred in 3.5% of surgical cases and 0.5% of endovascular cases (P:=0.003), and the difference remained significant after adjustment (odds ratio, 6.3; 95% CI, 3.5 to 11.4; P:<0.001). Total length of stay and hospital charges were greater in surgical cases (both P:<0.001). Results were similar in a confirmatory analysis focusing on treatment differences between institutions. Institutional treatment volume was also associated with outcome but did not account for the differences between surgery and endovascular therapy.
In California, endovascular therapy of unruptured aneurysms is associated with less risk of adverse outcomes and in-hospital death, lower hospital charges, and shorter hospital stays compared with surgery. Differences between therapies became more distinct through the years. Uncontrolled differences in prognosis of patients receiving endovascular therapy and surgery cannot be ruled out in this study of discharge abstracts.</description><subject>Aneurysm, Ruptured - epidemiology</subject><subject>California - epidemiology</subject><subject>Cohort Studies</subject><subject>Demography</subject><subject>Embolization, Therapeutic - adverse effects</subject><subject>Embolization, Therapeutic - economics</subject><subject>Embolization, Therapeutic - statistics & numerical data</subject><subject>Female</subject><subject>Follow-Up Studies</subject><subject>Humans</subject><subject>Intracranial Aneurysm - diagnosis</subject><subject>Intracranial Aneurysm - epidemiology</subject><subject>Intracranial Aneurysm - therapy</subject><subject>Length of Stay - economics</subject><subject>Length of Stay - statistics & numerical data</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Multivariate Analysis</subject><subject>Odds Ratio</subject><subject>Prognosis</subject><subject>Risk Assessment</subject><subject>Treatment Outcome</subject><subject>Vascular Surgical Procedures - adverse effects</subject><subject>Vascular Surgical Procedures - economics</subject><subject>Vascular Surgical Procedures - statistics & numerical data</subject><issn>0039-2499</issn><issn>1524-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkEtLw0AUhQdRbK2u3UlW7pLeeWQeSylWhYKgdT3MZG4gkkedSRb990ZacHU23zkcPkLuKRSUSroGWqQxFpwVvCiNuiBLWjKRC8n0JVkCcJMzYcyC3KT0DQCM6_KaLChl3FAllkTvI7qxw37Mhjqb-jgdxiliyCqM6KNrM9fjFI-pS1nTZxvXNvUQ-8bdkqvatQnvzrkiX9vn_eY1372_vG2ednklAMbcqBJkVQoP0mBwyiMG0FxoUwUWsNYOpdbBBcZqUTOvUBsNgXuOGo3yfEUeT7uHOPxMmEbbNanCtp1_DVOyShpJuaIzuD6BVRxSiljbQ2w6F4-Wgv2TZYHaz_2H5cxyO8uaGw_n6cl3GP75sx3-CwsTZi0</recordid><startdate>20010301</startdate><enddate>20010301</enddate><creator>Johnston, S C</creator><creator>Zhao, S</creator><creator>Dudley, R A</creator><creator>Berman, M F</creator><creator>Gress, D R</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20010301</creationdate><title>Treatment of unruptured cerebral aneurysms in California</title><author>Johnston, S C ; Zhao, S ; Dudley, R A ; Berman, M F ; Gress, D R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c400t-97506c54b069eda7beed083489cd2def8ae688dad22f4f2b7e8980d3b3e8e97b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Aneurysm, Ruptured - epidemiology</topic><topic>California - epidemiology</topic><topic>Cohort Studies</topic><topic>Demography</topic><topic>Embolization, Therapeutic - adverse effects</topic><topic>Embolization, Therapeutic - economics</topic><topic>Embolization, Therapeutic - statistics & numerical data</topic><topic>Female</topic><topic>Follow-Up Studies</topic><topic>Humans</topic><topic>Intracranial Aneurysm - diagnosis</topic><topic>Intracranial Aneurysm - epidemiology</topic><topic>Intracranial Aneurysm - therapy</topic><topic>Length of Stay - economics</topic><topic>Length of Stay - statistics & numerical data</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Multivariate Analysis</topic><topic>Odds Ratio</topic><topic>Prognosis</topic><topic>Risk Assessment</topic><topic>Treatment Outcome</topic><topic>Vascular Surgical Procedures - adverse effects</topic><topic>Vascular Surgical Procedures - economics</topic><topic>Vascular Surgical Procedures - statistics & numerical data</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Johnston, S C</creatorcontrib><creatorcontrib>Zhao, S</creatorcontrib><creatorcontrib>Dudley, R A</creatorcontrib><creatorcontrib>Berman, M F</creatorcontrib><creatorcontrib>Gress, D R</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Stroke (1970)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Johnston, S C</au><au>Zhao, S</au><au>Dudley, R A</au><au>Berman, M F</au><au>Gress, D R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Treatment of unruptured cerebral aneurysms in California</atitle><jtitle>Stroke (1970)</jtitle><addtitle>Stroke</addtitle><date>2001-03-01</date><risdate>2001</risdate><volume>32</volume><issue>3</issue><spage>597</spage><epage>605</epage><pages>597-605</pages><issn>0039-2499</issn><eissn>1524-4628</eissn><abstract>The impact of endovascular therapy on treatment outcomes of unruptured cerebral aneurysms has not been studied in a defined geographic area.
All primary diagnoses of unruptured aneurysms were retrieved from a statewide database of hospital discharges in California from January 1990 through December 1998. Admissions for initial treatment and all follow-up care were combined to reflect the entire course of therapy. An adverse outcome was defined as an in-hospital death or discharge to nursing home or rehabilitation hospital at any point during the treatment course. Multivariable analyses were performed with generalized estimating equations with adjustment for age, sex, ethnicity, source of admission, year of treatment, hospital volume, and clustering of observations at institutions.
A total of 2069 patients were treated for unruptured aneurysms. Adverse outcomes were more frequent in the 1699 patients treated with surgery (25%) than in those treated with endovascular therapy (10%; P:<0.001). The difference persisted after multivariable adjustment (surgery versus endovascular therapy: odds ratio for adverse outcomes, 3.1; 95% CI, 2.5 to 4.0; P:<0.001). Adverse outcomes declined from 1991 to 1998 in patients treated with endovascular therapy (P:<0.005) but not for surgery. In-hospital deaths occurred in 3.5% of surgical cases and 0.5% of endovascular cases (P:=0.003), and the difference remained significant after adjustment (odds ratio, 6.3; 95% CI, 3.5 to 11.4; P:<0.001). Total length of stay and hospital charges were greater in surgical cases (both P:<0.001). Results were similar in a confirmatory analysis focusing on treatment differences between institutions. Institutional treatment volume was also associated with outcome but did not account for the differences between surgery and endovascular therapy.
In California, endovascular therapy of unruptured aneurysms is associated with less risk of adverse outcomes and in-hospital death, lower hospital charges, and shorter hospital stays compared with surgery. Differences between therapies became more distinct through the years. Uncontrolled differences in prognosis of patients receiving endovascular therapy and surgery cannot be ruled out in this study of discharge abstracts.</abstract><cop>United States</cop><pmid>11239174</pmid><doi>10.1161/01.str.32.3.597</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Aneurysm, Ruptured - epidemiology California - epidemiology Cohort Studies Demography Embolization, Therapeutic - adverse effects Embolization, Therapeutic - economics Embolization, Therapeutic - statistics & numerical data Female Follow-Up Studies Humans Intracranial Aneurysm - diagnosis Intracranial Aneurysm - epidemiology Intracranial Aneurysm - therapy Length of Stay - economics Length of Stay - statistics & numerical data Male Middle Aged Multivariate Analysis Odds Ratio Prognosis Risk Assessment Treatment Outcome Vascular Surgical Procedures - adverse effects Vascular Surgical Procedures - economics Vascular Surgical Procedures - statistics & numerical data |
| title | Treatment of unruptured cerebral aneurysms in California |
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