Premenopausal-aged females have no neurological outcome advantage after out-of-hospital cardiac arrest: A multilevel analysis of North American populations
We investigated the impact of premenopausal age on neurological function at hospital discharge in patients with out-of-hospital cardiac arrest (OHCA). We hypothesized that premenopausal-aged females (18–47 years of age) with OHCA would have a higher probability of survival with favourable neurologic...
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| Veröffentlicht in: | Resuscitation 2021-09, Vol.166, p.58-65 |
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| creator | Awad, Emad M. Humphries, Karin H. Grunau, Brian E. Christenson, Jim M. |
| description | We investigated the impact of premenopausal age on neurological function at hospital discharge in patients with out-of-hospital cardiac arrest (OHCA). We hypothesized that premenopausal-aged females (18–47 years of age) with OHCA would have a higher probability of survival with favourable neurological function at hospital discharge compared with males of the same age group, older males, and older females (>53 years of age).
Retrospective analyses of data from the Resuscitation Outcomes Consortium multi-center randomized controlled trial (June 2011–May 2015). We included adults with non-traumatic OHCA treated by emergency medical service. We stratified the cohort into four groups by age and sex: premenopausal-aged females (18–47 years of age), older females (≥53 years old), younger males (18–47 years of age), and older male. We used multilevel logistic regression to examine the association between age-sex and favourable neurological outcomes (modified Rankin Scale ≤ 3).
In total, 23,725 patients were included: 1050 (4.5%) premenopausal females; 1930 (8.1%) younger males; 7569 (31.9%) older females; and 13,176 (55.5%) older males. The multilevel analysis showed no difference in neurological outcome between younger males and younger females (OR 0.95, 95% CI 0.69–1.32, p = 0.75). Both older females (OR 0.36, 95% CI 0. 0.26–0.48, p |
| doi_str_mv | 10.1016/j.resuscitation.2021.06.024 |
| format | Article |
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Retrospective analyses of data from the Resuscitation Outcomes Consortium multi-center randomized controlled trial (June 2011–May 2015). We included adults with non-traumatic OHCA treated by emergency medical service. We stratified the cohort into four groups by age and sex: premenopausal-aged females (18–47 years of age), older females (≥53 years old), younger males (18–47 years of age), and older male. We used multilevel logistic regression to examine the association between age-sex and favourable neurological outcomes (modified Rankin Scale ≤ 3).
In total, 23,725 patients were included: 1050 (4.5%) premenopausal females; 1930 (8.1%) younger males; 7569 (31.9%) older females; and 13,176 (55.5%) older males. The multilevel analysis showed no difference in neurological outcome between younger males and younger females (OR 0.95, 95% CI 0.69–1.32, p = 0.75). Both older females (OR 0.36, 95% CI 0. 0.26–0.48, p < 0.001) and older males (OR 0.52, 95% CI 0.39–0.69, p < 0.001) had a significantly lower odds of favourable neurological outcome than younger females. Among all groups, older females had the worst outcomes.
We did not detect an association between premenopausal age and survival with good neurological outcome, suggesting females sex hormones do not impact OHCA outcomes. Our findings are not in line with results from other studies. Studies that rigorously evaluate menopausal status are required to definitively assess the impact of female sex hormones on outcomes.</description><identifier>ISSN: 0300-9572</identifier><identifier>EISSN: 1873-1570</identifier><identifier>DOI: 10.1016/j.resuscitation.2021.06.024</identifier><identifier>PMID: 34271125</identifier><language>eng</language><publisher>Ireland: Elsevier B.V</publisher><subject>Adolescent ; Adult ; Age ; Cardiac arrest ; Cardiopulmonary Resuscitation ; Emergency Medical Services ; Female ; Humans ; Male ; Middle Aged ; Multilevel Analysis ; Neurological outcomes ; North America ; Out-of-Hospital Cardiac Arrest - therapy ; Retrospective Studies ; Sex ; Young Adult</subject><ispartof>Resuscitation, 2021-09, Vol.166, p.58-65</ispartof><rights>2021 Elsevier B.V.</rights><rights>Copyright © 2021 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c298t-31b1905bfd434d99d23d92e40a107a8ae48eb1a858af08c777eeb2ff66b972ac3</citedby><cites>FETCH-LOGICAL-c298t-31b1905bfd434d99d23d92e40a107a8ae48eb1a858af08c777eeb2ff66b972ac3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.resuscitation.2021.06.024$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/34271125$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Awad, Emad M.</creatorcontrib><creatorcontrib>Humphries, Karin H.</creatorcontrib><creatorcontrib>Grunau, Brian E.</creatorcontrib><creatorcontrib>Christenson, Jim M.</creatorcontrib><title>Premenopausal-aged females have no neurological outcome advantage after out-of-hospital cardiac arrest: A multilevel analysis of North American populations</title><title>Resuscitation</title><addtitle>Resuscitation</addtitle><description>We investigated the impact of premenopausal age on neurological function at hospital discharge in patients with out-of-hospital cardiac arrest (OHCA). We hypothesized that premenopausal-aged females (18–47 years of age) with OHCA would have a higher probability of survival with favourable neurological function at hospital discharge compared with males of the same age group, older males, and older females (>53 years of age).
Retrospective analyses of data from the Resuscitation Outcomes Consortium multi-center randomized controlled trial (June 2011–May 2015). We included adults with non-traumatic OHCA treated by emergency medical service. We stratified the cohort into four groups by age and sex: premenopausal-aged females (18–47 years of age), older females (≥53 years old), younger males (18–47 years of age), and older male. We used multilevel logistic regression to examine the association between age-sex and favourable neurological outcomes (modified Rankin Scale ≤ 3).
In total, 23,725 patients were included: 1050 (4.5%) premenopausal females; 1930 (8.1%) younger males; 7569 (31.9%) older females; and 13,176 (55.5%) older males. The multilevel analysis showed no difference in neurological outcome between younger males and younger females (OR 0.95, 95% CI 0.69–1.32, p = 0.75). Both older females (OR 0.36, 95% CI 0. 0.26–0.48, p < 0.001) and older males (OR 0.52, 95% CI 0.39–0.69, p < 0.001) had a significantly lower odds of favourable neurological outcome than younger females. Among all groups, older females had the worst outcomes.
We did not detect an association between premenopausal age and survival with good neurological outcome, suggesting females sex hormones do not impact OHCA outcomes. Our findings are not in line with results from other studies. Studies that rigorously evaluate menopausal status are required to definitively assess the impact of female sex hormones on outcomes.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Age</subject><subject>Cardiac arrest</subject><subject>Cardiopulmonary Resuscitation</subject><subject>Emergency Medical Services</subject><subject>Female</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Multilevel Analysis</subject><subject>Neurological outcomes</subject><subject>North America</subject><subject>Out-of-Hospital Cardiac Arrest - therapy</subject><subject>Retrospective Studies</subject><subject>Sex</subject><subject>Young Adult</subject><issn>0300-9572</issn><issn>1873-1570</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkUFv1DAQhS0EokvhLyBLXLgk2E6yjuG0qkpBqoADnK2JPe565cTBTlbqb-HP4u0WJG6cRhq9ee-NPkLecFZzxrfvDnXCvGbjF1h8nGrBBK_ZtmaifUI2vJdNxTvJnpINaxirVCfFBXmR84Ex1nRKPicXTSsk56LbkF_fEo44xRnWDKGCO7TU4QgBM93DEekU6YRriiHeeQOBxnUxcUQK9gjTUvQU3ILptK-iq_Yxz6VYoAaS9WAopNJ2eU93dFzD4gMeMVCYINxnn2l09EtMy57uRkzFf6JznNfw8Fh-SZ45CBlfPc5L8uPj9ferT9Xt15vPV7vbygjVL1XDB65YNzjbNq1VyorGKoEtA84k9IBtjwOHvuvBsd5IKREH4dx2OygpwDSX5O3Zd07x51ra6tFngyHAhHHNWnRdCRJCqSL9cJaaFHNO6PSc_AjpXnOmT3T0Qf9DR5_oaLbVhU65fv0YtA4j2r-3f3AUwfVZgOXdo8ekixFOBq1PaBZto_-voN9GLK2Y</recordid><startdate>202109</startdate><enddate>202109</enddate><creator>Awad, Emad M.</creator><creator>Humphries, Karin H.</creator><creator>Grunau, Brian E.</creator><creator>Christenson, Jim M.</creator><general>Elsevier B.V</general><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>202109</creationdate><title>Premenopausal-aged females have no neurological outcome advantage after out-of-hospital cardiac arrest: A multilevel analysis of North American populations</title><author>Awad, Emad M. ; Humphries, Karin H. ; Grunau, Brian E. ; Christenson, Jim M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c298t-31b1905bfd434d99d23d92e40a107a8ae48eb1a858af08c777eeb2ff66b972ac3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Age</topic><topic>Cardiac arrest</topic><topic>Cardiopulmonary Resuscitation</topic><topic>Emergency Medical Services</topic><topic>Female</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Multilevel Analysis</topic><topic>Neurological outcomes</topic><topic>North America</topic><topic>Out-of-Hospital Cardiac Arrest - therapy</topic><topic>Retrospective Studies</topic><topic>Sex</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Awad, Emad M.</creatorcontrib><creatorcontrib>Humphries, Karin H.</creatorcontrib><creatorcontrib>Grunau, Brian E.</creatorcontrib><creatorcontrib>Christenson, Jim M.</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>Resuscitation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Awad, Emad M.</au><au>Humphries, Karin H.</au><au>Grunau, Brian E.</au><au>Christenson, Jim M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Premenopausal-aged females have no neurological outcome advantage after out-of-hospital cardiac arrest: A multilevel analysis of North American populations</atitle><jtitle>Resuscitation</jtitle><addtitle>Resuscitation</addtitle><date>2021-09</date><risdate>2021</risdate><volume>166</volume><spage>58</spage><epage>65</epage><pages>58-65</pages><issn>0300-9572</issn><eissn>1873-1570</eissn><abstract>We investigated the impact of premenopausal age on neurological function at hospital discharge in patients with out-of-hospital cardiac arrest (OHCA). We hypothesized that premenopausal-aged females (18–47 years of age) with OHCA would have a higher probability of survival with favourable neurological function at hospital discharge compared with males of the same age group, older males, and older females (>53 years of age).
Retrospective analyses of data from the Resuscitation Outcomes Consortium multi-center randomized controlled trial (June 2011–May 2015). We included adults with non-traumatic OHCA treated by emergency medical service. We stratified the cohort into four groups by age and sex: premenopausal-aged females (18–47 years of age), older females (≥53 years old), younger males (18–47 years of age), and older male. We used multilevel logistic regression to examine the association between age-sex and favourable neurological outcomes (modified Rankin Scale ≤ 3).
In total, 23,725 patients were included: 1050 (4.5%) premenopausal females; 1930 (8.1%) younger males; 7569 (31.9%) older females; and 13,176 (55.5%) older males. The multilevel analysis showed no difference in neurological outcome between younger males and younger females (OR 0.95, 95% CI 0.69–1.32, p = 0.75). Both older females (OR 0.36, 95% CI 0. 0.26–0.48, p < 0.001) and older males (OR 0.52, 95% CI 0.39–0.69, p < 0.001) had a significantly lower odds of favourable neurological outcome than younger females. Among all groups, older females had the worst outcomes.
We did not detect an association between premenopausal age and survival with good neurological outcome, suggesting females sex hormones do not impact OHCA outcomes. Our findings are not in line with results from other studies. Studies that rigorously evaluate menopausal status are required to definitively assess the impact of female sex hormones on outcomes.</abstract><cop>Ireland</cop><pub>Elsevier B.V</pub><pmid>34271125</pmid><doi>10.1016/j.resuscitation.2021.06.024</doi><tpages>8</tpages></addata></record> |
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| subjects | Adolescent Adult Age Cardiac arrest Cardiopulmonary Resuscitation Emergency Medical Services Female Humans Male Middle Aged Multilevel Analysis Neurological outcomes North America Out-of-Hospital Cardiac Arrest - therapy Retrospective Studies Sex Young Adult |
| title | Premenopausal-aged females have no neurological outcome advantage after out-of-hospital cardiac arrest: A multilevel analysis of North American populations |
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