Circadian rhythm of heart rate and physical activity in nurses during day and night shifts
Purpose The study investigates if the circadian rhythm of heart rate is apparent during the working periods of day and night shifts in Swiss and Japanese nurses and if it is influenced by work organization. For a better interpretation of the heart rate, the activity profile over these working period...
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| Veröffentlicht in: | European journal of applied physiology 2015-06, Vol.115 (6), p.1313-1320 |
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| container_title | European journal of applied physiology |
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| creator | Nicoletti, Corinne Müller, Christian Hayashi, Chiemi Nakaseko, Masaru Tobita, Itoko Läubli, Thomas |
| description | Purpose
The study investigates if the circadian rhythm of heart rate is apparent during the working periods of day and night shifts in Swiss and Japanese nurses and if it is influenced by work organization. For a better interpretation of the heart rate, the activity profile over these working periods was monitored.
Methods
Heart rate and activity profile of 18 Swiss and 24 Japanese nurses were measured during one day and one night shift. The day and the night shift data of each subject were combined, resulting in an approximately 18-h working period.
Results
A significant time effect of the mean hourly value of the heart rate was found in Swiss nurses (change in amplitude 7.1 bpm) as well as in Japanese nurses (11.8 bpm). These effects could be modeled with cosine curves for the Swiss and Japanese subjects. For the activity level significant time effects, similar to the ones in heart rate, were found in Swiss nurses (87 % of SD) but not in Japanese nurses (26 % of SD).
Conclusions
We found a significant time effect in heart rate similar to the known circadian rhythm under normal sleep–wake conditions while working in the studied shift work schedules. In the Japanese nurses, studied heart rate followed a circadian rhythm independently of the level of physical activity. Therefore, an activity profile following the circadian rhythm, especially a reduced workload from 2 to 4 a.m., is proposed. The proposed activity profile could be reached with an adapted work organization. |
| doi_str_mv | 10.1007/s00421-015-3110-3 |
| format | Article |
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The study investigates if the circadian rhythm of heart rate is apparent during the working periods of day and night shifts in Swiss and Japanese nurses and if it is influenced by work organization. For a better interpretation of the heart rate, the activity profile over these working periods was monitored.
Methods
Heart rate and activity profile of 18 Swiss and 24 Japanese nurses were measured during one day and one night shift. The day and the night shift data of each subject were combined, resulting in an approximately 18-h working period.
Results
A significant time effect of the mean hourly value of the heart rate was found in Swiss nurses (change in amplitude 7.1 bpm) as well as in Japanese nurses (11.8 bpm). These effects could be modeled with cosine curves for the Swiss and Japanese subjects. For the activity level significant time effects, similar to the ones in heart rate, were found in Swiss nurses (87 % of SD) but not in Japanese nurses (26 % of SD).
Conclusions
We found a significant time effect in heart rate similar to the known circadian rhythm under normal sleep–wake conditions while working in the studied shift work schedules. In the Japanese nurses, studied heart rate followed a circadian rhythm independently of the level of physical activity. Therefore, an activity profile following the circadian rhythm, especially a reduced workload from 2 to 4 a.m., is proposed. The proposed activity profile could be reached with an adapted work organization.</description><identifier>ISSN: 1439-6319</identifier><identifier>EISSN: 1439-6327</identifier><identifier>DOI: 10.1007/s00421-015-3110-3</identifier><identifier>PMID: 25613401</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Activity Cycles ; Adult ; Biomedical and Life Sciences ; Biomedicine ; Circadian rhythm ; Exercise ; Female ; Health sciences ; Heart Rate ; Human Physiology ; Humans ; Melatonin ; Motor Activity ; Night Care ; Nurses ; Nursing Staff, Hospital ; Occupational Medicine/Industrial Medicine ; Original Article ; Shift work ; Sports Medicine ; Work Schedule Tolerance - physiology ; Workloads</subject><ispartof>European journal of applied physiology, 2015-06, Vol.115 (6), p.1313-1320</ispartof><rights>Springer-Verlag Berlin Heidelberg 2015</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c606t-fceb63da60893002f1c3918adea85c33a409cfeb04a85a38790bbafc9ec6da93</citedby><cites>FETCH-LOGICAL-c606t-fceb63da60893002f1c3918adea85c33a409cfeb04a85a38790bbafc9ec6da93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00421-015-3110-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00421-015-3110-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,782,786,27931,27932,41495,42564,51326</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25613401$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Nicoletti, Corinne</creatorcontrib><creatorcontrib>Müller, Christian</creatorcontrib><creatorcontrib>Hayashi, Chiemi</creatorcontrib><creatorcontrib>Nakaseko, Masaru</creatorcontrib><creatorcontrib>Tobita, Itoko</creatorcontrib><creatorcontrib>Läubli, Thomas</creatorcontrib><title>Circadian rhythm of heart rate and physical activity in nurses during day and night shifts</title><title>European journal of applied physiology</title><addtitle>Eur J Appl Physiol</addtitle><addtitle>Eur J Appl Physiol</addtitle><description>Purpose
The study investigates if the circadian rhythm of heart rate is apparent during the working periods of day and night shifts in Swiss and Japanese nurses and if it is influenced by work organization. For a better interpretation of the heart rate, the activity profile over these working periods was monitored.
Methods
Heart rate and activity profile of 18 Swiss and 24 Japanese nurses were measured during one day and one night shift. The day and the night shift data of each subject were combined, resulting in an approximately 18-h working period.
Results
A significant time effect of the mean hourly value of the heart rate was found in Swiss nurses (change in amplitude 7.1 bpm) as well as in Japanese nurses (11.8 bpm). These effects could be modeled with cosine curves for the Swiss and Japanese subjects. For the activity level significant time effects, similar to the ones in heart rate, were found in Swiss nurses (87 % of SD) but not in Japanese nurses (26 % of SD).
Conclusions
We found a significant time effect in heart rate similar to the known circadian rhythm under normal sleep–wake conditions while working in the studied shift work schedules. In the Japanese nurses, studied heart rate followed a circadian rhythm independently of the level of physical activity. Therefore, an activity profile following the circadian rhythm, especially a reduced workload from 2 to 4 a.m., is proposed. The proposed activity profile could be reached with an adapted work organization.</description><subject>Activity Cycles</subject><subject>Adult</subject><subject>Biomedical and Life Sciences</subject><subject>Biomedicine</subject><subject>Circadian rhythm</subject><subject>Exercise</subject><subject>Female</subject><subject>Health sciences</subject><subject>Heart Rate</subject><subject>Human Physiology</subject><subject>Humans</subject><subject>Melatonin</subject><subject>Motor Activity</subject><subject>Night Care</subject><subject>Nurses</subject><subject>Nursing Staff, Hospital</subject><subject>Occupational Medicine/Industrial Medicine</subject><subject>Original Article</subject><subject>Shift work</subject><subject>Sports Medicine</subject><subject>Work Schedule Tolerance - physiology</subject><subject>Workloads</subject><issn>1439-6319</issn><issn>1439-6327</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kE1Lw0AQhhdRtH78AC-y4MVLdCabbrNHKX5BwUtPXpbJZtNsaZO6uxHy701tFRE8zQw8887wMHaJcIsAk7sAkKWYAI4TgQiJOGAjzIRKpEgnhz89qhN2GsISAPIU82N2ko4ligxwxN6mzhsqHTXc132s17yteG3JR-4pWk5NyTd1H5yhFScT3YeLPXcNbzofbOBl512z4CX1X2jjFnXkoXZVDOfsqKJVsBf7esbmjw_z6XMye316md7PEiNBxqQytpCiJAm5EgBphUYozKm0lI-NEJSBMpUtIBtmEvlEQVFQZZQ1siQlztjNLnbj2_fOhqjXLhi7WlFj2y5olDkoCWo8GdDrP-iy7XwzPPdFiVzJDAcKd5TxbQjeVnrj3Zp8rxH01rveedeDd731rsWwc7VP7oq1LX82vkUPQLoDwmYrzPpfp_9N_QQPTY2W</recordid><startdate>20150601</startdate><enddate>20150601</enddate><creator>Nicoletti, Corinne</creator><creator>Müller, Christian</creator><creator>Hayashi, Chiemi</creator><creator>Nakaseko, Masaru</creator><creator>Tobita, Itoko</creator><creator>Läubli, Thomas</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature 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>3V.</scope><scope>7RV</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>8AO</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB0</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M7P</scope><scope>NAPCQ</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope></search><sort><creationdate>20150601</creationdate><title>Circadian rhythm of heart rate and physical activity in nurses during day and night shifts</title><author>Nicoletti, Corinne ; Müller, Christian ; Hayashi, Chiemi ; Nakaseko, Masaru ; Tobita, Itoko ; Läubli, Thomas</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c606t-fceb63da60893002f1c3918adea85c33a409cfeb04a85a38790bbafc9ec6da93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Activity Cycles</topic><topic>Adult</topic><topic>Biomedical and Life Sciences</topic><topic>Biomedicine</topic><topic>Circadian rhythm</topic><topic>Exercise</topic><topic>Female</topic><topic>Health sciences</topic><topic>Heart Rate</topic><topic>Human Physiology</topic><topic>Humans</topic><topic>Melatonin</topic><topic>Motor Activity</topic><topic>Night Care</topic><topic>Nurses</topic><topic>Nursing Staff, Hospital</topic><topic>Occupational Medicine/Industrial Medicine</topic><topic>Original Article</topic><topic>Shift work</topic><topic>Sports Medicine</topic><topic>Work Schedule Tolerance - physiology</topic><topic>Workloads</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nicoletti, Corinne</creatorcontrib><creatorcontrib>Müller, Christian</creatorcontrib><creatorcontrib>Hayashi, Chiemi</creatorcontrib><creatorcontrib>Nakaseko, Masaru</creatorcontrib><creatorcontrib>Tobita, Itoko</creatorcontrib><creatorcontrib>Läubli, Thomas</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>Nursing & Allied Health Database</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</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>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Biological Science Database</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 China</collection><collection>MEDLINE - Academic</collection><jtitle>European journal of applied physiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nicoletti, Corinne</au><au>Müller, Christian</au><au>Hayashi, Chiemi</au><au>Nakaseko, Masaru</au><au>Tobita, Itoko</au><au>Läubli, Thomas</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Circadian rhythm of heart rate and physical activity in nurses during day and night shifts</atitle><jtitle>European journal of applied physiology</jtitle><stitle>Eur J Appl Physiol</stitle><addtitle>Eur J Appl Physiol</addtitle><date>2015-06-01</date><risdate>2015</risdate><volume>115</volume><issue>6</issue><spage>1313</spage><epage>1320</epage><pages>1313-1320</pages><issn>1439-6319</issn><eissn>1439-6327</eissn><abstract>Purpose
The study investigates if the circadian rhythm of heart rate is apparent during the working periods of day and night shifts in Swiss and Japanese nurses and if it is influenced by work organization. For a better interpretation of the heart rate, the activity profile over these working periods was monitored.
Methods
Heart rate and activity profile of 18 Swiss and 24 Japanese nurses were measured during one day and one night shift. The day and the night shift data of each subject were combined, resulting in an approximately 18-h working period.
Results
A significant time effect of the mean hourly value of the heart rate was found in Swiss nurses (change in amplitude 7.1 bpm) as well as in Japanese nurses (11.8 bpm). These effects could be modeled with cosine curves for the Swiss and Japanese subjects. For the activity level significant time effects, similar to the ones in heart rate, were found in Swiss nurses (87 % of SD) but not in Japanese nurses (26 % of SD).
Conclusions
We found a significant time effect in heart rate similar to the known circadian rhythm under normal sleep–wake conditions while working in the studied shift work schedules. In the Japanese nurses, studied heart rate followed a circadian rhythm independently of the level of physical activity. Therefore, an activity profile following the circadian rhythm, especially a reduced workload from 2 to 4 a.m., is proposed. The proposed activity profile could be reached with an adapted work organization.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>25613401</pmid><doi>10.1007/s00421-015-3110-3</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | European journal of applied physiology, 2015-06, Vol.115 (6), p.1313-1320 |
| issn | 1439-6319 1439-6327 |
| language | eng |
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| source | MEDLINE; SpringerNature Journals |
| subjects | Activity Cycles Adult Biomedical and Life Sciences Biomedicine Circadian rhythm Exercise Female Health sciences Heart Rate Human Physiology Humans Melatonin Motor Activity Night Care Nurses Nursing Staff, Hospital Occupational Medicine/Industrial Medicine Original Article Shift work Sports Medicine Work Schedule Tolerance - physiology Workloads |
| title | Circadian rhythm of heart rate and physical activity in nurses during day and night shifts |
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