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Heart rate variability decreased by coronary artery surgery has no prognostic value
Background Decreased heart rate variability (HRV) may predict cardiac death after myocardial infarction (MI). Coronary artery bypass grafting (CABG) strongly decreases HRV, but improves survival. The aim of the study was to determine the prognostic value of HRV decreased by coronary surgery. Design...
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| Published in: | European journal of cardiovascular prevention and rehabilitation 2004-06, Vol.11 (3), p.228-232 |
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| container_end_page | 232 |
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| container_title | European journal of cardiovascular prevention and rehabilitation |
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| creator | Milicevic, Goran Fort, Ljubica Majsec, Marcel Bakula, Vinko |
| description | Background
Decreased heart rate variability (HRV) may predict cardiac death after
myocardial infarction (MI). Coronary artery bypass grafting (CABG) strongly
decreases HRV, but improves survival. The aim of the study was to determine
the prognostic value of HRV decreased by coronary surgery.
Design and methods
Four-year follow-up was performed in 175 consecutive patients with HRV
decreased by CABG (51) or MI (124). Mortality and secondary events rate were
analysed. Decreased HRV, defined by the standard deviation of mean RR
interval (SDNN) < 100 ms, was detected by a routine 24-h Holter
electrocardiogram at admission to stationary rehabilitation 3 weeks to 3
months after acute MI or CABG. Two groups did not differ except by age; CABG
patients were younger (56 versus 64 years, P |
| doi_str_mv | 10.1097/01.hjr.0000129743.53464.c0 |
| format | article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_71981111</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sage_id>10.1097_01.hjr.0000129743.53464.c0</sage_id><sourcerecordid>71981111</sourcerecordid><originalsourceid>FETCH-LOGICAL-c363t-c5a8ab24fed1307045567c9cc47704c086efd3150e6873a60acffb4ff90f43903</originalsourceid><addsrcrecordid>eNqNUMFOwzAMjRCITbBfQBEHbi1OkzYtNzQBQ5rEAThHaepsnbp2JC3S_p6UTeyKL8-Wnp_9HiG3DGIGhbwHFq83LoZQLCmk4HHKRSZiA2dkmoCQkchzdv7XSz4hM-8340IGSZLnl2TCUiYLBumUvC9Qu5463SP91q7WZd3U_Z5WaBxqjxUt99R0rmu129NAxQB-cKsR19rTtqM7163azve1CRLNgNfkwurG4-yIV-Tz-eljvoiWby-v88dlZHjG-8ikOtdlIixWjIMEkaaZNIUxQobBQJ6hrThLAbPgQmegjbWlsLYAK3gB_IrcHXTDA18D-l5ta2-waXSL3eCVZEXOQgXiw4FoXOe9Q6t2rt4GQ4qBGlNVwFRIVZ1SVb-pKjNeuTleGcotVqfVY4aBIA8Er1eoNt3g2uD6P9I_xRCFkg</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>71981111</pqid></control><display><type>article</type><title>Heart rate variability decreased by coronary artery surgery has no prognostic value</title><source>Oxford Journals Online</source><creator>Milicevic, Goran ; Fort, Ljubica ; Majsec, Marcel ; Bakula, Vinko</creator><creatorcontrib>Milicevic, Goran ; Fort, Ljubica ; Majsec, Marcel ; Bakula, Vinko</creatorcontrib><description>Background
Decreased heart rate variability (HRV) may predict cardiac death after
myocardial infarction (MI). Coronary artery bypass grafting (CABG) strongly
decreases HRV, but improves survival. The aim of the study was to determine
the prognostic value of HRV decreased by coronary surgery.
Design and methods
Four-year follow-up was performed in 175 consecutive patients with HRV
decreased by CABG (51) or MI (124). Mortality and secondary events rate were
analysed. Decreased HRV, defined by the standard deviation of mean RR
interval (SDNN) < 100 ms, was detected by a routine 24-h Holter
electrocardiogram at admission to stationary rehabilitation 3 weeks to 3
months after acute MI or CABG. Two groups did not differ except by age; CABG
patients were younger (56 versus 64 years, P<0.01), but this did
not influence differences in survival (NS).
Results
HRV was lower among CABG patients than among MI patients (SDNN =
66 ± 20ms versus 77 ± 14 ms;
P<0.001), but cumulative survival and event-free
survival were much better in the CABG group than in the MI group. During a
46 ± 20 months follow-up, there were 10% new events in
the CABG and 43% in the MI group (P<0.001). Mortality
was 8% in the CABG and 33% in the MI group
(log-rank=3.6; P<0.001). Unlike in the MI group, HRV
was not different between survivors and non-survivors in the CABG group.
Conclusions
In contrast to the strong prognostic potential of HRV in patients with MI,
decreased HRV has no prognostic significance in patients who have undergone
CABG surgery.</description><identifier>ISSN: 2047-4873</identifier><identifier>ISSN: 1741-8267</identifier><identifier>EISSN: 2047-4881</identifier><identifier>DOI: 10.1097/01.hjr.0000129743.53464.c0</identifier><identifier>PMID: 15179105</identifier><language>eng</language><publisher>London, England: SAGE Publications</publisher><subject>Coronary Artery Bypass - mortality ; Croatia - epidemiology ; Electrocardiography, Ambulatory ; Female ; Follow-Up Studies ; Heart Rate - physiology ; Humans ; Male ; Middle Aged ; Myocardial Infarction - mortality ; Myocardial Infarction - physiopathology ; Prognosis ; Prospective Studies ; Survival Analysis</subject><ispartof>European journal of cardiovascular prevention and rehabilitation, 2004-06, Vol.11 (3), p.228-232</ispartof><rights>2004 European Society of Cardiology</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c363t-c5a8ab24fed1307045567c9cc47704c086efd3150e6873a60acffb4ff90f43903</citedby><cites>FETCH-LOGICAL-c363t-c5a8ab24fed1307045567c9cc47704c086efd3150e6873a60acffb4ff90f43903</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15179105$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Milicevic, Goran</creatorcontrib><creatorcontrib>Fort, Ljubica</creatorcontrib><creatorcontrib>Majsec, Marcel</creatorcontrib><creatorcontrib>Bakula, Vinko</creatorcontrib><title>Heart rate variability decreased by coronary artery surgery has no prognostic value</title><title>European journal of cardiovascular prevention and rehabilitation</title><addtitle>Eur J Cardiovasc Prev Rehabil</addtitle><description>Background
Decreased heart rate variability (HRV) may predict cardiac death after
myocardial infarction (MI). Coronary artery bypass grafting (CABG) strongly
decreases HRV, but improves survival. The aim of the study was to determine
the prognostic value of HRV decreased by coronary surgery.
Design and methods
Four-year follow-up was performed in 175 consecutive patients with HRV
decreased by CABG (51) or MI (124). Mortality and secondary events rate were
analysed. Decreased HRV, defined by the standard deviation of mean RR
interval (SDNN) < 100 ms, was detected by a routine 24-h Holter
electrocardiogram at admission to stationary rehabilitation 3 weeks to 3
months after acute MI or CABG. Two groups did not differ except by age; CABG
patients were younger (56 versus 64 years, P<0.01), but this did
not influence differences in survival (NS).
Results
HRV was lower among CABG patients than among MI patients (SDNN =
66 ± 20ms versus 77 ± 14 ms;
P<0.001), but cumulative survival and event-free
survival were much better in the CABG group than in the MI group. During a
46 ± 20 months follow-up, there were 10% new events in
the CABG and 43% in the MI group (P<0.001). Mortality
was 8% in the CABG and 33% in the MI group
(log-rank=3.6; P<0.001). Unlike in the MI group, HRV
was not different between survivors and non-survivors in the CABG group.
Conclusions
In contrast to the strong prognostic potential of HRV in patients with MI,
decreased HRV has no prognostic significance in patients who have undergone
CABG surgery.</description><subject>Coronary Artery Bypass - mortality</subject><subject>Croatia - epidemiology</subject><subject>Electrocardiography, Ambulatory</subject><subject>Female</subject><subject>Follow-Up Studies</subject><subject>Heart Rate - physiology</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Myocardial Infarction - mortality</subject><subject>Myocardial Infarction - physiopathology</subject><subject>Prognosis</subject><subject>Prospective Studies</subject><subject>Survival Analysis</subject><issn>2047-4873</issn><issn>1741-8267</issn><issn>2047-4881</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNqNUMFOwzAMjRCITbBfQBEHbi1OkzYtNzQBQ5rEAThHaepsnbp2JC3S_p6UTeyKL8-Wnp_9HiG3DGIGhbwHFq83LoZQLCmk4HHKRSZiA2dkmoCQkchzdv7XSz4hM-8340IGSZLnl2TCUiYLBumUvC9Qu5463SP91q7WZd3U_Z5WaBxqjxUt99R0rmu129NAxQB-cKsR19rTtqM7163azve1CRLNgNfkwurG4-yIV-Tz-eljvoiWby-v88dlZHjG-8ikOtdlIixWjIMEkaaZNIUxQobBQJ6hrThLAbPgQmegjbWlsLYAK3gB_IrcHXTDA18D-l5ta2-waXSL3eCVZEXOQgXiw4FoXOe9Q6t2rt4GQ4qBGlNVwFRIVZ1SVb-pKjNeuTleGcotVqfVY4aBIA8Er1eoNt3g2uD6P9I_xRCFkg</recordid><startdate>20040601</startdate><enddate>20040601</enddate><creator>Milicevic, Goran</creator><creator>Fort, Ljubica</creator><creator>Majsec, Marcel</creator><creator>Bakula, Vinko</creator><general>SAGE Publications</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>20040601</creationdate><title>Heart rate variability decreased by coronary artery surgery has no prognostic value</title><author>Milicevic, Goran ; Fort, Ljubica ; Majsec, Marcel ; Bakula, Vinko</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c363t-c5a8ab24fed1307045567c9cc47704c086efd3150e6873a60acffb4ff90f43903</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Coronary Artery Bypass - mortality</topic><topic>Croatia - epidemiology</topic><topic>Electrocardiography, Ambulatory</topic><topic>Female</topic><topic>Follow-Up Studies</topic><topic>Heart Rate - physiology</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Myocardial Infarction - mortality</topic><topic>Myocardial Infarction - physiopathology</topic><topic>Prognosis</topic><topic>Prospective Studies</topic><topic>Survival Analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Milicevic, Goran</creatorcontrib><creatorcontrib>Fort, Ljubica</creatorcontrib><creatorcontrib>Majsec, Marcel</creatorcontrib><creatorcontrib>Bakula, Vinko</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>European journal of cardiovascular prevention and rehabilitation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Milicevic, Goran</au><au>Fort, Ljubica</au><au>Majsec, Marcel</au><au>Bakula, Vinko</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Heart rate variability decreased by coronary artery surgery has no prognostic value</atitle><jtitle>European journal of cardiovascular prevention and rehabilitation</jtitle><addtitle>Eur J Cardiovasc Prev Rehabil</addtitle><date>2004-06-01</date><risdate>2004</risdate><volume>11</volume><issue>3</issue><spage>228</spage><epage>232</epage><pages>228-232</pages><issn>2047-4873</issn><issn>1741-8267</issn><eissn>2047-4881</eissn><abstract>Background
Decreased heart rate variability (HRV) may predict cardiac death after
myocardial infarction (MI). Coronary artery bypass grafting (CABG) strongly
decreases HRV, but improves survival. The aim of the study was to determine
the prognostic value of HRV decreased by coronary surgery.
Design and methods
Four-year follow-up was performed in 175 consecutive patients with HRV
decreased by CABG (51) or MI (124). Mortality and secondary events rate were
analysed. Decreased HRV, defined by the standard deviation of mean RR
interval (SDNN) < 100 ms, was detected by a routine 24-h Holter
electrocardiogram at admission to stationary rehabilitation 3 weeks to 3
months after acute MI or CABG. Two groups did not differ except by age; CABG
patients were younger (56 versus 64 years, P<0.01), but this did
not influence differences in survival (NS).
Results
HRV was lower among CABG patients than among MI patients (SDNN =
66 ± 20ms versus 77 ± 14 ms;
P<0.001), but cumulative survival and event-free
survival were much better in the CABG group than in the MI group. During a
46 ± 20 months follow-up, there were 10% new events in
the CABG and 43% in the MI group (P<0.001). Mortality
was 8% in the CABG and 33% in the MI group
(log-rank=3.6; P<0.001). Unlike in the MI group, HRV
was not different between survivors and non-survivors in the CABG group.
Conclusions
In contrast to the strong prognostic potential of HRV in patients with MI,
decreased HRV has no prognostic significance in patients who have undergone
CABG surgery.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><pmid>15179105</pmid><doi>10.1097/01.hjr.0000129743.53464.c0</doi><tpages>5</tpages></addata></record> |
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| identifier | ISSN: 2047-4873 |
| ispartof | European journal of cardiovascular prevention and rehabilitation, 2004-06, Vol.11 (3), p.228-232 |
| issn | 2047-4873 1741-8267 2047-4881 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_71981111 |
| source | Oxford Journals Online |
| subjects | Coronary Artery Bypass - mortality Croatia - epidemiology Electrocardiography, Ambulatory Female Follow-Up Studies Heart Rate - physiology Humans Male Middle Aged Myocardial Infarction - mortality Myocardial Infarction - physiopathology Prognosis Prospective Studies Survival Analysis |
| title | Heart rate variability decreased by coronary artery surgery has no prognostic value |
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