Influence of 12 Weeks of Jogging on Magnetic Resonance-Determined Left Ventricular Characteristics in Previously Sedentary Subjects Free of Cardiovascular Disease
Hypertrophy of the left ventricle is a diagnostic dilemma in subjects who engage in regular endurance exercise. We studied prospectively whether endurance training in previously sedentary young and middle-aged men and women can alter left ventricular (LV) characteristics. We recruited 33 healthy you...
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| Veröffentlicht in: | The American journal of cardiology 2009-02, Vol.103 (4), p.567-571 |
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| creator | Sipola, Petri, MD, PhD Heikkinen, Jari, PhD Laaksonen, David E., MD, PhD, MPH Kettunen, Raimo, MD, PhD |
| description | Hypertrophy of the left ventricle is a diagnostic dilemma in subjects who engage in regular endurance exercise. We studied prospectively whether endurance training in previously sedentary young and middle-aged men and women can alter left ventricular (LV) characteristics. We recruited 33 healthy young and middle-aged subjects (18 women, 15 men, ages 21 to 59 years) to undergo 12 weeks of home-based brisk walking and jogging at a target heart rate ≥120 beats/min for ≥30 minutes 3 times a week. LV characteristics were measured by cine magnetic resonance imaging. Training intensity as estimated by heart rate correlated positively with the increase in LV myocardial area (r = 0.51, p = 0.005) in the 28 men and women completing the study. In the 13 men and women who trained with heart rate of ≥120 beats/min, LV myocardial area was larger after than before training (17.7 ± 2.9 vs 16.8 ± 2.8 cm2 , p |
| doi_str_mv | 10.1016/j.amjcard.2008.10.020 |
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We studied prospectively whether endurance training in previously sedentary young and middle-aged men and women can alter left ventricular (LV) characteristics. We recruited 33 healthy young and middle-aged subjects (18 women, 15 men, ages 21 to 59 years) to undergo 12 weeks of home-based brisk walking and jogging at a target heart rate ≥120 beats/min for ≥30 minutes 3 times a week. LV characteristics were measured by cine magnetic resonance imaging. Training intensity as estimated by heart rate correlated positively with the increase in LV myocardial area (r = 0.51, p = 0.005) in the 28 men and women completing the study. In the 13 men and women who trained with heart rate of ≥120 beats/min, LV myocardial area was larger after than before training (17.7 ± 2.9 vs 16.8 ± 2.8 cm2 , p <0.05). Moreover, in these subjects LV myocardial area increased more (5.5 ± 9.0% vs −3.0 ± 5.0%) than in the 15 men and women who trained at a lower intensity (p <0.05). LV end-systolic and end-diastolic area and ejection fraction did not change significantly. In conclusion, moderate-to-vigorous endurance training at moderate volumes does not influence LV end-diastolic volume or ejection fraction, but has a minor influence on LV hypertrophy in previously sedentary young and middle-aged men and women.</description><identifier>ISSN: 0002-9149</identifier><identifier>EISSN: 1879-1913</identifier><identifier>DOI: 10.1016/j.amjcard.2008.10.020</identifier><identifier>PMID: 19195522</identifier><identifier>CODEN: AJCDAG</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Adult ; Biological and medical sciences ; Cardiology ; Cardiology. Vascular system ; Cardiovascular ; Cardiovascular disease ; Female ; Health behavior ; Heart Rate ; Heart Ventricles - growth & development ; Humans ; Hypertrophy, Left Ventricular - diagnosis ; Jogging - physiology ; Magnetic Resonance Imaging ; Male ; Medical sciences ; Middle age ; Middle Aged ; NMR ; Nuclear magnetic resonance ; Physical Endurance ; Running ; Time Factors ; Ventricular Function, Left</subject><ispartof>The American journal of cardiology, 2009-02, Vol.103 (4), p.567-571</ispartof><rights>Elsevier Inc.</rights><rights>2009 Elsevier Inc.</rights><rights>2009 INIST-CNRS</rights><rights>Copyright Elsevier Sequoia S.A. 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We studied prospectively whether endurance training in previously sedentary young and middle-aged men and women can alter left ventricular (LV) characteristics. We recruited 33 healthy young and middle-aged subjects (18 women, 15 men, ages 21 to 59 years) to undergo 12 weeks of home-based brisk walking and jogging at a target heart rate ≥120 beats/min for ≥30 minutes 3 times a week. LV characteristics were measured by cine magnetic resonance imaging. Training intensity as estimated by heart rate correlated positively with the increase in LV myocardial area (r = 0.51, p = 0.005) in the 28 men and women completing the study. In the 13 men and women who trained with heart rate of ≥120 beats/min, LV myocardial area was larger after than before training (17.7 ± 2.9 vs 16.8 ± 2.8 cm2 , p <0.05). Moreover, in these subjects LV myocardial area increased more (5.5 ± 9.0% vs −3.0 ± 5.0%) than in the 15 men and women who trained at a lower intensity (p <0.05). LV end-systolic and end-diastolic area and ejection fraction did not change significantly. In conclusion, moderate-to-vigorous endurance training at moderate volumes does not influence LV end-diastolic volume or ejection fraction, but has a minor influence on LV hypertrophy in previously sedentary young and middle-aged men and women.</description><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>Cardiology</subject><subject>Cardiology. Vascular system</subject><subject>Cardiovascular</subject><subject>Cardiovascular disease</subject><subject>Female</subject><subject>Health behavior</subject><subject>Heart Rate</subject><subject>Heart Ventricles - growth & development</subject><subject>Humans</subject><subject>Hypertrophy, Left Ventricular - diagnosis</subject><subject>Jogging - physiology</subject><subject>Magnetic Resonance Imaging</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle age</subject><subject>Middle Aged</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Physical Endurance</subject><subject>Running</subject><subject>Time Factors</subject><subject>Ventricular Function, Left</subject><issn>0002-9149</issn><issn>1879-1913</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkttu1DAQhiMEoqXwCCALCe6yeOwkG99QoS2FokUgyuHScpzx4jTrFDtZqa_DkzJhV0XqDVc-ffPP4XeWPQW-AA7Vq25htp01sV0Izmu6W3DB72XHUC9VDgrk_eyYcy5yBYU6yh6l1NERoKweZkf0rspSiOPs90Vw_YTBIhscA8F-IF6lef9h2Gx82LAhsI9mE3D0ln3BNARDcH6GI8atD9iyNbqRfccwRm-n3kS2-mmisfTuEwUl5gP7HHHnhyn1N-wSW2JNpN3UdGjHxM4j_k2_onb8sDNpr3PmE5qEj7MHzvQJnxzWk-zb-duvq_f5-tO7i9WbdW7LAsbcSCXckjqsG1CCm7ZyZbU0Qi2dElVVFLKpbFM2wgnlWiNa5wrLm7IFbCRCKU-yl3vd6zj8mjCNeuuTxb43Aal0XVV1XUvgBD6_A3bDFAPVpoXksuaFnNXKPWTjkFJEp6-j31LbGrieHdSdPjioZwfna3KQ4p4dxKdmi-2_qINlBLw4ADQn07tIfvh0ywkAqZayIO50zyHNbOcx6mT9bHTrI01dt4P_bymv7yjY3gdPSa_wBtNt06CT0Fxfzt9t_m285qA4CPkHqg7SnQ</recordid><startdate>20090215</startdate><enddate>20090215</enddate><creator>Sipola, Petri, MD, PhD</creator><creator>Heikkinen, Jari, PhD</creator><creator>Laaksonen, David E., MD, PhD, MPH</creator><creator>Kettunen, Raimo, MD, PhD</creator><general>Elsevier Inc</general><general>Elsevier</general><general>Elsevier Limited</general><scope>IQODW</scope><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>7TS</scope><scope>8FD</scope><scope>FR3</scope><scope>K9.</scope><scope>M7Z</scope><scope>NAPCQ</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20090215</creationdate><title>Influence of 12 Weeks of Jogging on Magnetic Resonance-Determined Left Ventricular Characteristics in Previously Sedentary Subjects Free of Cardiovascular Disease</title><author>Sipola, Petri, MD, PhD ; Heikkinen, Jari, PhD ; Laaksonen, David E., MD, PhD, MPH ; Kettunen, Raimo, MD, PhD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c541t-a392f70118b1920ad6f567a297f9266443b6cb5b2f29fda2dff4c0b5d1eb3e153</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Adult</topic><topic>Biological and medical sciences</topic><topic>Cardiology</topic><topic>Cardiology. Vascular system</topic><topic>Cardiovascular</topic><topic>Cardiovascular disease</topic><topic>Female</topic><topic>Health behavior</topic><topic>Heart Rate</topic><topic>Heart Ventricles - growth & development</topic><topic>Humans</topic><topic>Hypertrophy, Left Ventricular - diagnosis</topic><topic>Jogging - physiology</topic><topic>Magnetic Resonance Imaging</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle age</topic><topic>Middle Aged</topic><topic>NMR</topic><topic>Nuclear magnetic resonance</topic><topic>Physical Endurance</topic><topic>Running</topic><topic>Time Factors</topic><topic>Ventricular Function, Left</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sipola, Petri, MD, PhD</creatorcontrib><creatorcontrib>Heikkinen, Jari, PhD</creatorcontrib><creatorcontrib>Laaksonen, David E., MD, PhD, MPH</creatorcontrib><creatorcontrib>Kettunen, Raimo, MD, PhD</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Physical Education Index</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Biochemistry Abstracts 1</collection><collection>Nursing & Allied Health Premium</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>The American journal of cardiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sipola, Petri, MD, PhD</au><au>Heikkinen, Jari, PhD</au><au>Laaksonen, David E., MD, PhD, MPH</au><au>Kettunen, Raimo, MD, PhD</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of 12 Weeks of Jogging on Magnetic Resonance-Determined Left Ventricular Characteristics in Previously Sedentary Subjects Free of Cardiovascular Disease</atitle><jtitle>The American journal of cardiology</jtitle><addtitle>Am J Cardiol</addtitle><date>2009-02-15</date><risdate>2009</risdate><volume>103</volume><issue>4</issue><spage>567</spage><epage>571</epage><pages>567-571</pages><issn>0002-9149</issn><eissn>1879-1913</eissn><coden>AJCDAG</coden><abstract>Hypertrophy of the left ventricle is a diagnostic dilemma in subjects who engage in regular endurance exercise. We studied prospectively whether endurance training in previously sedentary young and middle-aged men and women can alter left ventricular (LV) characteristics. We recruited 33 healthy young and middle-aged subjects (18 women, 15 men, ages 21 to 59 years) to undergo 12 weeks of home-based brisk walking and jogging at a target heart rate ≥120 beats/min for ≥30 minutes 3 times a week. LV characteristics were measured by cine magnetic resonance imaging. Training intensity as estimated by heart rate correlated positively with the increase in LV myocardial area (r = 0.51, p = 0.005) in the 28 men and women completing the study. In the 13 men and women who trained with heart rate of ≥120 beats/min, LV myocardial area was larger after than before training (17.7 ± 2.9 vs 16.8 ± 2.8 cm2 , p <0.05). Moreover, in these subjects LV myocardial area increased more (5.5 ± 9.0% vs −3.0 ± 5.0%) than in the 15 men and women who trained at a lower intensity (p <0.05). LV end-systolic and end-diastolic area and ejection fraction did not change significantly. In conclusion, moderate-to-vigorous endurance training at moderate volumes does not influence LV end-diastolic volume or ejection fraction, but has a minor influence on LV hypertrophy in previously sedentary young and middle-aged men and women.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>19195522</pmid><doi>10.1016/j.amjcard.2008.10.020</doi><tpages>5</tpages></addata></record> |
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| subjects | Adult Biological and medical sciences Cardiology Cardiology. Vascular system Cardiovascular Cardiovascular disease Female Health behavior Heart Rate Heart Ventricles - growth & development Humans Hypertrophy, Left Ventricular - diagnosis Jogging - physiology Magnetic Resonance Imaging Male Medical sciences Middle age Middle Aged NMR Nuclear magnetic resonance Physical Endurance Running Time Factors Ventricular Function, Left |
| title | Influence of 12 Weeks of Jogging on Magnetic Resonance-Determined Left Ventricular Characteristics in Previously Sedentary Subjects Free of Cardiovascular Disease |
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