Spectral peak frequency in low-frequency band in cross spectra of blood pressure and heart rate fluctuations in young type 1 diabetic patients
In this study we tested whether joint evaluation of the frequency (f(cs)) at which maxima of power in the cross-spectra between the variability in systolic blood pressure and inter-beat intervals in the range of 0.06-0.12 Hz occur together with the quantification of baroreflex sensitivity (BRS) may...
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| Veröffentlicht in: | Physiological research 2012-01, Vol.61 (4), p.347-354 |
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| creator | Honzíková, N Krtička, A Závodná, E Javorka, M Tonhajzerová, I Javorka, K |
| description | In this study we tested whether joint evaluation of the frequency (f(cs)) at which maxima of power in the cross-spectra between the variability in systolic blood pressure and inter-beat intervals in the range of 0.06-0.12 Hz occur together with the quantification of baroreflex sensitivity (BRS) may improve early detection of autonomic dysfunction in type 1 diabetes mellitus (T1DM). We measured 14 T1DM patients (age 20.3-24.2 years, DM duration 10.4-14.2 years, without any signs of autonomic neuropathy) and 14 age-matched controls (Co). Finger arterial blood pressure was continuously recorded by Finapres for one hour. BRS and f(cs) were determined by the spectral method. Receiver-operating curves (ROC) were calculated for f(cs), BRS, and a combination of both factors determined as F(z)=1/(1+exp(-z)), z=3.09-0.013*BRS-0.027*f(cs). T1DM had significantly lower f(cs) than Co (T1DM: 88.8+/-6.7 vs. Co: 93.7+/-3.8 mHz; p |
| doi_str_mv | 10.33549/physiolres.932300 |
| format | Article |
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We measured 14 T1DM patients (age 20.3-24.2 years, DM duration 10.4-14.2 years, without any signs of autonomic neuropathy) and 14 age-matched controls (Co). Finger arterial blood pressure was continuously recorded by Finapres for one hour. BRS and f(cs) were determined by the spectral method. Receiver-operating curves (ROC) were calculated for f(cs), BRS, and a combination of both factors determined as F(z)=1/(1+exp(-z)), z=3.09-0.013*BRS-0.027*f(cs). T1DM had significantly lower f(cs) than Co (T1DM: 88.8+/-6.7 vs. Co: 93.7+/-3.8 mHz; p<0.05), and a tendency towards lower BRS compared to Co (T1DM: 10.3+/-4.4 vs. Co: 14.6+/-7.1 ms/mm Hg; p=0.06). The ROC for Fz showed the highest sensitivity and specificity (71.4 % and 71.4 %) in comparison with BRS (64.3 % and 71.4 %) or f(cs) (64.3 % and 64.3 %). The presented method of evaluation of BRS and f(cs) forming an integrated factor Fz could provide further improvement in the risk stratification of diabetic patients.</description><identifier>ISSN: 0862-8408</identifier><identifier>EISSN: 1802-9973</identifier><identifier>DOI: 10.33549/physiolres.932300</identifier><identifier>PMID: 22670692</identifier><language>eng</language><publisher>Czech Republic: Institute of Physiology</publisher><subject>Arterial Pressure - physiology ; Baroreflex - physiology ; Blood pressure ; Blood Pressure Determination ; Diabetes ; Diabetes Mellitus, Type 1 - physiopathology ; Electrocardiography ; Female ; Heart ; Heart rate ; Heart Rate - physiology ; Humans ; Male ; Mortality ; Patients ; Young Adult</subject><ispartof>Physiological research, 2012-01, Vol.61 (4), p.347-354</ispartof><rights>Copyright Institute of Physiology 2012</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c342t-4104e4212718b48cb50278b9447fb234a8da9bc9f9fb98a209f14dca31304dd83</citedby><cites>FETCH-LOGICAL-c342t-4104e4212718b48cb50278b9447fb234a8da9bc9f9fb98a209f14dca31304dd83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,864,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22670692$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Honzíková, N</creatorcontrib><creatorcontrib>Krtička, A</creatorcontrib><creatorcontrib>Závodná, E</creatorcontrib><creatorcontrib>Javorka, M</creatorcontrib><creatorcontrib>Tonhajzerová, I</creatorcontrib><creatorcontrib>Javorka, K</creatorcontrib><title>Spectral peak frequency in low-frequency band in cross spectra of blood pressure and heart rate fluctuations in young type 1 diabetic patients</title><title>Physiological research</title><addtitle>Physiol Res</addtitle><description>In this study we tested whether joint evaluation of the frequency (f(cs)) at which maxima of power in the cross-spectra between the variability in systolic blood pressure and inter-beat intervals in the range of 0.06-0.12 Hz occur together with the quantification of baroreflex sensitivity (BRS) may improve early detection of autonomic dysfunction in type 1 diabetes mellitus (T1DM). We measured 14 T1DM patients (age 20.3-24.2 years, DM duration 10.4-14.2 years, without any signs of autonomic neuropathy) and 14 age-matched controls (Co). Finger arterial blood pressure was continuously recorded by Finapres for one hour. BRS and f(cs) were determined by the spectral method. Receiver-operating curves (ROC) were calculated for f(cs), BRS, and a combination of both factors determined as F(z)=1/(1+exp(-z)), z=3.09-0.013*BRS-0.027*f(cs). T1DM had significantly lower f(cs) than Co (T1DM: 88.8+/-6.7 vs. Co: 93.7+/-3.8 mHz; p<0.05), and a tendency towards lower BRS compared to Co (T1DM: 10.3+/-4.4 vs. Co: 14.6+/-7.1 ms/mm Hg; p=0.06). The ROC for Fz showed the highest sensitivity and specificity (71.4 % and 71.4 %) in comparison with BRS (64.3 % and 71.4 %) or f(cs) (64.3 % and 64.3 %). The presented method of evaluation of BRS and f(cs) forming an integrated factor Fz could provide further improvement in the risk stratification of diabetic patients.</description><subject>Arterial Pressure - physiology</subject><subject>Baroreflex - physiology</subject><subject>Blood pressure</subject><subject>Blood Pressure Determination</subject><subject>Diabetes</subject><subject>Diabetes Mellitus, Type 1 - physiopathology</subject><subject>Electrocardiography</subject><subject>Female</subject><subject>Heart</subject><subject>Heart rate</subject><subject>Heart Rate - physiology</subject><subject>Humans</subject><subject>Male</subject><subject>Mortality</subject><subject>Patients</subject><subject>Young Adult</subject><issn>0862-8408</issn><issn>1802-9973</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNpFUctOwzAQtBCIlsIPcECWOKf41cQ-ooqXVIkDcI5sx6YpaRxsRyg_wTfjNgVOK61mZndmALjEaE7pgombbj2E2jXehLmghCJ0BKaYI5IJUdBjMEU8JxlniE_AWQgbhEiBCnoKJoTkBcoFmYLvl87o6GUDOyM_oPXmszetHmDdwsZ9Zf8LJdtqt9XehQDDSIPOQtU4V8EufRF6b-AOtjbSR-hlNNA2vY69jLVrw44-uL59h3HoDMSwqqUysdawSwDTxnAOTqxsgrk4zBl4u797XT5mq-eHp-XtKtOUkZgxjJhhBJMCc8W4VotkjSvBWGEVoUzySgqlhRVWCS4JEhazSkuKKWJVxekMXI-6nXfJX4jlxvW-TSdLTPI85cNyllBkRO09e2PLztdb6YcSo3JfQflfQTlWkEhXB-lebU31R_nNnP4AnmWHbQ</recordid><startdate>20120101</startdate><enddate>20120101</enddate><creator>Honzíková, N</creator><creator>Krtička, A</creator><creator>Závodná, E</creator><creator>Javorka, M</creator><creator>Tonhajzerová, I</creator><creator>Javorka, K</creator><general>Institute of Physiology</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>4T-</scope><scope>4U-</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>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BYOGL</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB0</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>M7P</scope><scope>MBDVC</scope><scope>NAPCQ</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope></search><sort><creationdate>20120101</creationdate><title>Spectral peak frequency in low-frequency band in cross spectra of blood pressure and heart rate fluctuations in young type 1 diabetic patients</title><author>Honzíková, N ; 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We measured 14 T1DM patients (age 20.3-24.2 years, DM duration 10.4-14.2 years, without any signs of autonomic neuropathy) and 14 age-matched controls (Co). Finger arterial blood pressure was continuously recorded by Finapres for one hour. BRS and f(cs) were determined by the spectral method. Receiver-operating curves (ROC) were calculated for f(cs), BRS, and a combination of both factors determined as F(z)=1/(1+exp(-z)), z=3.09-0.013*BRS-0.027*f(cs). T1DM had significantly lower f(cs) than Co (T1DM: 88.8+/-6.7 vs. Co: 93.7+/-3.8 mHz; p<0.05), and a tendency towards lower BRS compared to Co (T1DM: 10.3+/-4.4 vs. Co: 14.6+/-7.1 ms/mm Hg; p=0.06). The ROC for Fz showed the highest sensitivity and specificity (71.4 % and 71.4 %) in comparison with BRS (64.3 % and 71.4 %) or f(cs) (64.3 % and 64.3 %). The presented method of evaluation of BRS and f(cs) forming an integrated factor Fz could provide further improvement in the risk stratification of diabetic patients.</abstract><cop>Czech Republic</cop><pub>Institute of Physiology</pub><pmid>22670692</pmid><doi>10.33549/physiolres.932300</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Arterial Pressure - physiology Baroreflex - physiology Blood pressure Blood Pressure Determination Diabetes Diabetes Mellitus, Type 1 - physiopathology Electrocardiography Female Heart Heart rate Heart Rate - physiology Humans Male Mortality Patients Young Adult |
| title | Spectral peak frequency in low-frequency band in cross spectra of blood pressure and heart rate fluctuations in young type 1 diabetic patients |
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