The Effect of Exercise During Pregnancy on Maternal and Offspring Vascular Outcomes: a Pilot Study
The aim of this pilot study is to obtain estimates for the change in maternal cerebrovascular (primary) and offspring vascular structure (secondary) during healthy pregnancy that includes structured exercise. Eighteen pregnant women self-assigned to a moderate-intensity aerobic exercise intervention...
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| Veröffentlicht in: | Reproductive sciences (Thousand Oaks, Calif.) Calif.), 2021-02, Vol.28 (2), p.510-523 |
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| creator | Brislane, Áine Jones, Helen Holder, Sophie M. Low, David A. Hopkins, Nicola D. |
| description | The aim of this pilot study is to obtain estimates for the change in maternal cerebrovascular (primary) and offspring vascular structure (secondary) during healthy pregnancy that includes structured exercise. Eighteen pregnant women self-assigned to a moderate-intensity aerobic exercise intervention or a control group. Maternal cerebral blood flow (CBF) at the middle cerebral artery, cerebro- and peripheral-vascular function was assessed at the end of each trimester. Offspring carotid artery intima-media thickness (IMT) was measured within 12 weeks of birth. For exploratory purposes, we performed statistical analysis to provide estimates of the change for primary and secondary outcome variables. Maternal CBF reduced (− 8 cm s
−1
[− 14 to − 2]) with evidence of change to cerebral autoregulation (normalised gain: 0.12 %cm s
−1
% mmHg
−1
mmHg/% [− 0.18 to 0.40]) during pregnancy. Offspring carotid IMT was smaller in the exercise group (− 0.04 mm [− 0.12–0.03]) compared with controls. Based upon this data, a sample size of 33 and 57 in each group is required for low-frequency normalised gain and offspring IMT, respectively. This would provide 90% power to detect statistically significant (
P
|
| doi_str_mv | 10.1007/s43032-020-00302-7 |
| format | Article |
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−1
[− 14 to − 2]) with evidence of change to cerebral autoregulation (normalised gain: 0.12 %cm s
−1
% mmHg
−1
mmHg/% [− 0.18 to 0.40]) during pregnancy. Offspring carotid IMT was smaller in the exercise group (− 0.04 mm [− 0.12–0.03]) compared with controls. Based upon this data, a sample size of 33 and 57 in each group is required for low-frequency normalised gain and offspring IMT, respectively. This would provide 90% power to detect statistically significant (
P
< 0.05) between group differences in a randomised controlled trial. CBF is reduced in pregnancy, possibly due to reduced vascular resistance and altered maternal cerebral autoregulation. Maternal exercise had negligible effects on cerebrovascular adaptation to pregnancy, but we observed lower offspring carotid artery wall thickness following maternal exercise. Our directional findings and sample size estimations should be explored in a fully powered randomised control trial.
Clinical trial registration: The trial was registered on March 14th at
https://register.clinicaltrials.gov
(NCT03079258). Participant enrolment began on 3rd April 2016.</description><identifier>ISSN: 1933-7191</identifier><identifier>EISSN: 1933-7205</identifier><identifier>DOI: 10.1007/s43032-020-00302-7</identifier><identifier>PMID: 33258064</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Developmental Programming: Original ; Developmental Programming: Original Article ; Embryology ; Medicine ; Medicine & Public Health ; Obstetrics/Perinatology/Midwifery ; Reproductive Medicine</subject><ispartof>Reproductive sciences (Thousand Oaks, Calif.), 2021-02, Vol.28 (2), p.510-523</ispartof><rights>The Author(s) 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c446t-f62371f770bd246a951141985e4c8b08c4f973e890f56ce41222dd5dbbeace6f3</citedby><cites>FETCH-LOGICAL-c446t-f62371f770bd246a951141985e4c8b08c4f973e890f56ce41222dd5dbbeace6f3</cites><orcidid>0000-0002-3214-6544</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s43032-020-00302-7$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s43032-020-00302-7$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>230,314,780,784,885,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33258064$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Brislane, Áine</creatorcontrib><creatorcontrib>Jones, Helen</creatorcontrib><creatorcontrib>Holder, Sophie M.</creatorcontrib><creatorcontrib>Low, David A.</creatorcontrib><creatorcontrib>Hopkins, Nicola D.</creatorcontrib><title>The Effect of Exercise During Pregnancy on Maternal and Offspring Vascular Outcomes: a Pilot Study</title><title>Reproductive sciences (Thousand Oaks, Calif.)</title><addtitle>Reprod. Sci</addtitle><addtitle>Reprod Sci</addtitle><description>The aim of this pilot study is to obtain estimates for the change in maternal cerebrovascular (primary) and offspring vascular structure (secondary) during healthy pregnancy that includes structured exercise. Eighteen pregnant women self-assigned to a moderate-intensity aerobic exercise intervention or a control group. Maternal cerebral blood flow (CBF) at the middle cerebral artery, cerebro- and peripheral-vascular function was assessed at the end of each trimester. Offspring carotid artery intima-media thickness (IMT) was measured within 12 weeks of birth. For exploratory purposes, we performed statistical analysis to provide estimates of the change for primary and secondary outcome variables. Maternal CBF reduced (− 8 cm s
−1
[− 14 to − 2]) with evidence of change to cerebral autoregulation (normalised gain: 0.12 %cm s
−1
% mmHg
−1
mmHg/% [− 0.18 to 0.40]) during pregnancy. Offspring carotid IMT was smaller in the exercise group (− 0.04 mm [− 0.12–0.03]) compared with controls. Based upon this data, a sample size of 33 and 57 in each group is required for low-frequency normalised gain and offspring IMT, respectively. This would provide 90% power to detect statistically significant (
P
< 0.05) between group differences in a randomised controlled trial. CBF is reduced in pregnancy, possibly due to reduced vascular resistance and altered maternal cerebral autoregulation. Maternal exercise had negligible effects on cerebrovascular adaptation to pregnancy, but we observed lower offspring carotid artery wall thickness following maternal exercise. Our directional findings and sample size estimations should be explored in a fully powered randomised control trial.
Clinical trial registration: The trial was registered on March 14th at
https://register.clinicaltrials.gov
(NCT03079258). Participant enrolment began on 3rd April 2016.</description><subject>Developmental Programming: Original</subject><subject>Developmental Programming: Original Article</subject><subject>Embryology</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Obstetrics/Perinatology/Midwifery</subject><subject>Reproductive Medicine</subject><issn>1933-7191</issn><issn>1933-7205</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><recordid>eNp9kU1PFTEUhhujEUT_gAvTpZvB049ppy5MDFyUBHNJBLZNp3N6GTK3xXbGeP89AwNEN67apM95--Y8hLxncMgA9KciBQheAYcKQACv9Auyz4wQleZQv3y6M8P2yJtSbgBqaXjzmuwJwesGlNwn7cU10lUI6EeaAl39wez7gvR4yn3c0POMm-ii39EU6Q83Yo5uoC52dB1CuX1grlzx0-AyXU-jT1ssn6mj5_2QRvpznLrdW_IquKHgu8fzgFyerC6Ovldn62-nR1_PKi-lGquguNAsaA1tx6VypmZMMtPUKH3TQuNlMFpgYyDUyqNknPOuq7u2RedRBXFAviy5t1O7xc5jHLMb7Fxy6_LOJtfbf19if2036bfVDTTGqDng42NATr8mLKPd9sXjMLiIaSp2bqVA1FKZGeUL6nMqJWN4_oaBvZdjFzl2lmMf5Fg9D334u-DzyJONGRALsGwWs71J0_3Gy_9i7wCNU5tW</recordid><startdate>20210201</startdate><enddate>20210201</enddate><creator>Brislane, Áine</creator><creator>Jones, Helen</creator><creator>Holder, Sophie M.</creator><creator>Low, David A.</creator><creator>Hopkins, Nicola D.</creator><general>Springer International Publishing</general><scope>C6C</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-3214-6544</orcidid></search><sort><creationdate>20210201</creationdate><title>The Effect of Exercise During Pregnancy on Maternal and Offspring Vascular Outcomes: a Pilot Study</title><author>Brislane, Áine ; Jones, Helen ; Holder, Sophie M. ; Low, David A. ; Hopkins, Nicola D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c446t-f62371f770bd246a951141985e4c8b08c4f973e890f56ce41222dd5dbbeace6f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Developmental Programming: Original</topic><topic>Developmental Programming: Original Article</topic><topic>Embryology</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Obstetrics/Perinatology/Midwifery</topic><topic>Reproductive Medicine</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Brislane, Áine</creatorcontrib><creatorcontrib>Jones, Helen</creatorcontrib><creatorcontrib>Holder, Sophie M.</creatorcontrib><creatorcontrib>Low, David A.</creatorcontrib><creatorcontrib>Hopkins, Nicola D.</creatorcontrib><collection>Springer_OA刊</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Reproductive sciences (Thousand Oaks, Calif.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Brislane, Áine</au><au>Jones, Helen</au><au>Holder, Sophie M.</au><au>Low, David A.</au><au>Hopkins, Nicola D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Effect of Exercise During Pregnancy on Maternal and Offspring Vascular Outcomes: a Pilot Study</atitle><jtitle>Reproductive sciences (Thousand Oaks, Calif.)</jtitle><stitle>Reprod. Sci</stitle><addtitle>Reprod Sci</addtitle><date>2021-02-01</date><risdate>2021</risdate><volume>28</volume><issue>2</issue><spage>510</spage><epage>523</epage><pages>510-523</pages><issn>1933-7191</issn><eissn>1933-7205</eissn><abstract>The aim of this pilot study is to obtain estimates for the change in maternal cerebrovascular (primary) and offspring vascular structure (secondary) during healthy pregnancy that includes structured exercise. Eighteen pregnant women self-assigned to a moderate-intensity aerobic exercise intervention or a control group. Maternal cerebral blood flow (CBF) at the middle cerebral artery, cerebro- and peripheral-vascular function was assessed at the end of each trimester. Offspring carotid artery intima-media thickness (IMT) was measured within 12 weeks of birth. For exploratory purposes, we performed statistical analysis to provide estimates of the change for primary and secondary outcome variables. Maternal CBF reduced (− 8 cm s
−1
[− 14 to − 2]) with evidence of change to cerebral autoregulation (normalised gain: 0.12 %cm s
−1
% mmHg
−1
mmHg/% [− 0.18 to 0.40]) during pregnancy. Offspring carotid IMT was smaller in the exercise group (− 0.04 mm [− 0.12–0.03]) compared with controls. Based upon this data, a sample size of 33 and 57 in each group is required for low-frequency normalised gain and offspring IMT, respectively. This would provide 90% power to detect statistically significant (
P
< 0.05) between group differences in a randomised controlled trial. CBF is reduced in pregnancy, possibly due to reduced vascular resistance and altered maternal cerebral autoregulation. Maternal exercise had negligible effects on cerebrovascular adaptation to pregnancy, but we observed lower offspring carotid artery wall thickness following maternal exercise. Our directional findings and sample size estimations should be explored in a fully powered randomised control trial.
Clinical trial registration: The trial was registered on March 14th at
https://register.clinicaltrials.gov
(NCT03079258). Participant enrolment began on 3rd April 2016.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><pmid>33258064</pmid><doi>10.1007/s43032-020-00302-7</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0002-3214-6544</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Developmental Programming: Original Developmental Programming: Original Article Embryology Medicine Medicine & Public Health Obstetrics/Perinatology/Midwifery Reproductive Medicine |
| title | The Effect of Exercise During Pregnancy on Maternal and Offspring Vascular Outcomes: a Pilot Study |
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