Parachute use to prevent death and major trauma when jumping from aircraft: randomized controlled trial
To determine if using a parachute prevents death or major traumatic injury when jumping from an aircraft. Randomized controlled trial. Private or commercial aircraft between September 2017 and August 2018. 92 aircraft passengers aged 18 and over were screened for participation. 23 agreed to be enrol...
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| Veröffentlicht in: | BMJ (Online) 2018-12, Vol.363, p.k5094-k5094 |
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| creator | Yeh, Robert W Valsdottir, Linda R Yeh, Michael W Shen, Changyu Kramer, Daniel B Strom, Jordan B Secemsky, Eric A Healy, Joanne L Domeier, Robert M Kazi, Dhruv S Nallamothu, Brahmajee K |
| description | To determine if using a parachute prevents death or major traumatic injury when jumping from an aircraft.
Randomized controlled trial.
Private or commercial aircraft between September 2017 and August 2018.
92 aircraft passengers aged 18 and over were screened for participation. 23 agreed to be enrolled and were randomized.
Jumping from an aircraft (airplane or helicopter) with a parachute versus an empty backpack (unblinded).
Composite of death or major traumatic injury (defined by an Injury Severity Score over 15) upon impact with the ground measured immediately after landing.
Parachute use did not significantly reduce death or major injury (0% for parachute
0% for control; P>0.9). This finding was consistent across multiple subgroups. Compared with individuals screened but not enrolled, participants included in the study were on aircraft at significantly lower altitude (mean of 0.6 m for participants
mean of 9146 m for non-participants; P |
| doi_str_mv | 10.1136/bmj.k5094 |
| format | Article |
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Randomized controlled trial.
Private or commercial aircraft between September 2017 and August 2018.
92 aircraft passengers aged 18 and over were screened for participation. 23 agreed to be enrolled and were randomized.
Jumping from an aircraft (airplane or helicopter) with a parachute versus an empty backpack (unblinded).
Composite of death or major traumatic injury (defined by an Injury Severity Score over 15) upon impact with the ground measured immediately after landing.
Parachute use did not significantly reduce death or major injury (0% for parachute
0% for control; P>0.9). This finding was consistent across multiple subgroups. Compared with individuals screened but not enrolled, participants included in the study were on aircraft at significantly lower altitude (mean of 0.6 m for participants
mean of 9146 m for non-participants; P<0.001) and lower velocity (mean of 0 km/h
mean of 800 km/h; P<0.001).
Parachute use did not reduce death or major traumatic injury when jumping from aircraft in the first randomized evaluation of this intervention. However, the trial was only able to enroll participants on small stationary aircraft on the ground, suggesting cautious extrapolation to high altitude jumps. When beliefs regarding the effectiveness of an intervention exist in the community, randomized trials might selectively enroll individuals with a lower perceived likelihood of benefit, thus diminishing the applicability of the results to clinical practice.</description><identifier>ISSN: 0959-8138</identifier><identifier>EISSN: 1756-1833</identifier><identifier>DOI: 10.1136/bmj.k5094</identifier><identifier>PMID: 30545967</identifier><language>eng</language><publisher>England: BMJ Publishing Group LTD</publisher><subject>Accidents, Aviation - prevention & control ; Adult ; Aerospace Medicine - methods ; Aircraft ; Altitude ; Clinical trials ; Death ; Death, Sudden - prevention & control ; Evidence-based medicine ; Female ; High-altitude environments ; Humans ; Injuries ; Injury Severity Score ; Male ; Middle Aged ; Protective Devices ; Systematic review ; Trauma ; Velocity ; Wit and Humor as Topic ; Womens health ; Wounds and Injuries - prevention & control</subject><ispartof>BMJ (Online), 2018-12, Vol.363, p.k5094-k5094</ispartof><rights>Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.</rights><rights>Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions 2018 BMJ This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/ . Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to 2018 BMJ</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c469t-1e2f86f1c7fe5980c5084b31379e541cc0a5c9c725c3740c4a45eb5ce149fe703</citedby><cites>FETCH-LOGICAL-c469t-1e2f86f1c7fe5980c5084b31379e541cc0a5c9c725c3740c4a45eb5ce149fe703</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30545967$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yeh, Robert W</creatorcontrib><creatorcontrib>Valsdottir, Linda R</creatorcontrib><creatorcontrib>Yeh, Michael W</creatorcontrib><creatorcontrib>Shen, Changyu</creatorcontrib><creatorcontrib>Kramer, Daniel B</creatorcontrib><creatorcontrib>Strom, Jordan B</creatorcontrib><creatorcontrib>Secemsky, Eric A</creatorcontrib><creatorcontrib>Healy, Joanne L</creatorcontrib><creatorcontrib>Domeier, Robert M</creatorcontrib><creatorcontrib>Kazi, Dhruv S</creatorcontrib><creatorcontrib>Nallamothu, Brahmajee K</creatorcontrib><creatorcontrib>PARACHUTE Investigators</creatorcontrib><title>Parachute use to prevent death and major trauma when jumping from aircraft: randomized controlled trial</title><title>BMJ (Online)</title><addtitle>BMJ</addtitle><description>To determine if using a parachute prevents death or major traumatic injury when jumping from an aircraft.
Randomized controlled trial.
Private or commercial aircraft between September 2017 and August 2018.
92 aircraft passengers aged 18 and over were screened for participation. 23 agreed to be enrolled and were randomized.
Jumping from an aircraft (airplane or helicopter) with a parachute versus an empty backpack (unblinded).
Composite of death or major traumatic injury (defined by an Injury Severity Score over 15) upon impact with the ground measured immediately after landing.
Parachute use did not significantly reduce death or major injury (0% for parachute
0% for control; P>0.9). This finding was consistent across multiple subgroups. Compared with individuals screened but not enrolled, participants included in the study were on aircraft at significantly lower altitude (mean of 0.6 m for participants
mean of 9146 m for non-participants; P<0.001) and lower velocity (mean of 0 km/h
mean of 800 km/h; P<0.001).
Parachute use did not reduce death or major traumatic injury when jumping from aircraft in the first randomized evaluation of this intervention. However, the trial was only able to enroll participants on small stationary aircraft on the ground, suggesting cautious extrapolation to high altitude jumps. When beliefs regarding the effectiveness of an intervention exist in the community, randomized trials might selectively enroll individuals with a lower perceived likelihood of benefit, thus diminishing the applicability of the results to clinical practice.</description><subject>Accidents, Aviation - prevention & control</subject><subject>Adult</subject><subject>Aerospace Medicine - methods</subject><subject>Aircraft</subject><subject>Altitude</subject><subject>Clinical trials</subject><subject>Death</subject><subject>Death, Sudden - prevention & control</subject><subject>Evidence-based medicine</subject><subject>Female</subject><subject>High-altitude environments</subject><subject>Humans</subject><subject>Injuries</subject><subject>Injury Severity Score</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Protective Devices</subject><subject>Systematic review</subject><subject>Trauma</subject><subject>Velocity</subject><subject>Wit and Humor as Topic</subject><subject>Womens health</subject><subject>Wounds and Injuries - 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prevention & control</topic><topic>Adult</topic><topic>Aerospace Medicine - methods</topic><topic>Aircraft</topic><topic>Altitude</topic><topic>Clinical trials</topic><topic>Death</topic><topic>Death, Sudden - prevention & control</topic><topic>Evidence-based medicine</topic><topic>Female</topic><topic>High-altitude environments</topic><topic>Humans</topic><topic>Injuries</topic><topic>Injury Severity Score</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Protective Devices</topic><topic>Systematic review</topic><topic>Trauma</topic><topic>Velocity</topic><topic>Wit and Humor as Topic</topic><topic>Womens health</topic><topic>Wounds and Injuries - prevention & control</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yeh, Robert W</creatorcontrib><creatorcontrib>Valsdottir, Linda R</creatorcontrib><creatorcontrib>Yeh, Michael W</creatorcontrib><creatorcontrib>Shen, Changyu</creatorcontrib><creatorcontrib>Kramer, Daniel B</creatorcontrib><creatorcontrib>Strom, Jordan B</creatorcontrib><creatorcontrib>Secemsky, Eric A</creatorcontrib><creatorcontrib>Healy, Joanne L</creatorcontrib><creatorcontrib>Domeier, Robert M</creatorcontrib><creatorcontrib>Kazi, Dhruv S</creatorcontrib><creatorcontrib>Nallamothu, Brahmajee K</creatorcontrib><creatorcontrib>PARACHUTE Investigators</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Proquest Nursing & Allied Health Source</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>British Nursing Index</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>BMJ Journals</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>British Nursing Index (BNI) (1985 to Present)</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>SciTech Premium Collection</collection><collection>British Nursing Index</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>ProQuest Biological Science Collection</collection><collection>Research Library</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Research Library (Corporate)</collection><collection>Nursing & Allied Health Premium</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>BMJ (Online)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yeh, Robert W</au><au>Valsdottir, Linda R</au><au>Yeh, Michael W</au><au>Shen, Changyu</au><au>Kramer, Daniel B</au><au>Strom, Jordan B</au><au>Secemsky, Eric A</au><au>Healy, Joanne L</au><au>Domeier, Robert M</au><au>Kazi, Dhruv S</au><au>Nallamothu, Brahmajee K</au><aucorp>PARACHUTE Investigators</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Parachute use to prevent death and major trauma when jumping from aircraft: randomized controlled trial</atitle><jtitle>BMJ (Online)</jtitle><addtitle>BMJ</addtitle><date>2018-12-13</date><risdate>2018</risdate><volume>363</volume><spage>k5094</spage><epage>k5094</epage><pages>k5094-k5094</pages><issn>0959-8138</issn><eissn>1756-1833</eissn><abstract>To determine if using a parachute prevents death or major traumatic injury when jumping from an aircraft.
Randomized controlled trial.
Private or commercial aircraft between September 2017 and August 2018.
92 aircraft passengers aged 18 and over were screened for participation. 23 agreed to be enrolled and were randomized.
Jumping from an aircraft (airplane or helicopter) with a parachute versus an empty backpack (unblinded).
Composite of death or major traumatic injury (defined by an Injury Severity Score over 15) upon impact with the ground measured immediately after landing.
Parachute use did not significantly reduce death or major injury (0% for parachute
0% for control; P>0.9). This finding was consistent across multiple subgroups. Compared with individuals screened but not enrolled, participants included in the study were on aircraft at significantly lower altitude (mean of 0.6 m for participants
mean of 9146 m for non-participants; P<0.001) and lower velocity (mean of 0 km/h
mean of 800 km/h; P<0.001).
Parachute use did not reduce death or major traumatic injury when jumping from aircraft in the first randomized evaluation of this intervention. However, the trial was only able to enroll participants on small stationary aircraft on the ground, suggesting cautious extrapolation to high altitude jumps. When beliefs regarding the effectiveness of an intervention exist in the community, randomized trials might selectively enroll individuals with a lower perceived likelihood of benefit, thus diminishing the applicability of the results to clinical practice.</abstract><cop>England</cop><pub>BMJ Publishing Group LTD</pub><pmid>30545967</pmid><doi>10.1136/bmj.k5094</doi><oa>free_for_read</oa></addata></record> |
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| ispartof | BMJ (Online), 2018-12, Vol.363, p.k5094-k5094 |
| issn | 0959-8138 1756-1833 |
| language | eng |
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| source | Jstor Complete Legacy; MEDLINE |
| subjects | Accidents, Aviation - prevention & control Adult Aerospace Medicine - methods Aircraft Altitude Clinical trials Death Death, Sudden - prevention & control Evidence-based medicine Female High-altitude environments Humans Injuries Injury Severity Score Male Middle Aged Protective Devices Systematic review Trauma Velocity Wit and Humor as Topic Womens health Wounds and Injuries - prevention & control |
| title | Parachute use to prevent death and major trauma when jumping from aircraft: randomized controlled trial |
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