Manuel A Gomez-Marcos1, José I Recio-Rodríguez2, Maria C Patino-Alonso3, Cristina Agudo-Conde4, Lourdes Lasaosa-Medina5, Emiliano Rodriguez-Sanchez6, José A Maderuelo-Fernandez7, Luis García-Ortiz8. 1. Primary Care Research Unit, The Alamedilla Health Center, Castilla and León Health Service-SACYL Salamanca, Spain; REDIAPP, IBSAL, Spain; Medicine Department, University of Salamanca, Salamanca, Spain. Electronic address: magomez@usal.es. 2. Primary Care Research Unit, The Alamedilla Health Center, Castilla and León Health Service-SACYL Salamanca, Spain; REDIAPP, IBSAL, Spain. Electronic address: donrecio@gmail.com. 3. Primary Care Research Unit, The Alamedilla Health Center, Castilla and León Health Service-SACYL Salamanca, Spain; REDIAPP, IBSAL, Spain; Statistics Department, University of Salamanca, Salamanca, Spain. Electronic address: carpatino@usal.es. 4. Primary Care Research Unit, The Alamedilla Health Center, Castilla and León Health Service-SACYL Salamanca, Spain; REDIAPP, IBSAL, Spain. Electronic address: cagudoconde@yahoo.es. 5. CAP Passeig de Sant Joan, Barcelona, Spain; REDIAPP, Spain. Electronic address: lasaosa73@hotmail.com. 6. Primary Care Research Unit, The Alamedilla Health Center, Castilla and León Health Service-SACYL Salamanca, Spain; REDIAPP, IBSAL, Spain; Medicine Department, University of Salamanca, Salamanca, Spain. Electronic address: emiliano@usal.es. 7. Primary Care Research Unit, The Alamedilla Health Center, Castilla and León Health Service-SACYL Salamanca, Spain; REDIAPP, IBSAL, Spain. Electronic address: jmaderuelo@saludcastillayleon.es. 8. Primary Care Research Unit, The Alamedilla Health Center, Castilla and León Health Service-SACYL Salamanca, Spain; REDIAPP, IBSAL, Spain; Medicine Department, University of Salamanca, Salamanca, Spain. Electronic address: Lgarciao@usal.es.
Abstract
OBJECTIVES: To analyze the relationship between regular physical activity, as assessed by accelerometer and 7-day physical activity recall (PAR) with vascular structure and function based on carotid intima-media thickness, pulse wave velocity, central and peripheral augmentation index and the ambulatory arterial stiffness index in adults. METHODS: This study analyzed 263 subjects who were included in the EVIDENT study (mean age 55.85 ± 12.21 years; 59.30% female). Physical activity was assessed during 7 days using the Actigraph GT3X accelerometer (counts/minute) and 7-day PAR (metabolic equivalents (METs)/hour/week). Carotid ultrasound was used to measure carotid intima media thickness (IMT). The SphygmoCor System was used to measure pulse wave velocity (PWV), and central and peripheral augmentation index (CAIx and PAIx). The B-pro device was used to measure ambulatory arterial stiffness index (AASI). RESULTS: Median counts/minute was 244.37 and mean METs/hour/week was 11.49. Physical activity showed an inverse correlation with PAIx (r = -0.179; p < 0.01) and vigorous activity day time with IMT (r = -0.174), CAIx (r = -0.217) and PAIx (r = -0.324) (p < 0.01, all). Sedentary activity day time was correlated positively with CAIx (r = 0.103; p < 0.05). In multiple regression analysis, after adjusting for confounding factors, the inverse association of CAIx with counts/minute and the time spent in moderate and vigorous activity were maintained as well as the positive association with sedentary activity day time (p < 0.05). CONCLUSION: Physical activity, assessed by counts/minute, and the amount of time spent in moderate, vigorous/very vigorous physical activity, showed an inverse association with CAIx. Likewise, the time spent in sedentary activity was positively associated with the CAIx. TRIAL REGISTRATION: Clinical Trials.gov Identifier: NCT01083082.
OBJECTIVES: To analyze the relationship between regular physical activity, as assessed by accelerometer and 7-day physical activity recall (PAR) with vascular structure and function based on carotid intima-media thickness, pulse wave velocity, central and peripheral augmentation index and the ambulatory arterial stiffness index in adults. METHODS: This study analyzed 263 subjects who were included in the EVIDENT study (mean age 55.85 ± 12.21 years; 59.30% female). Physical activity was assessed during 7 days using the Actigraph GT3X accelerometer (counts/minute) and 7-day PAR (metabolic equivalents (METs)/hour/week). Carotid ultrasound was used to measure carotid intima media thickness (IMT). The SphygmoCor System was used to measure pulse wave velocity (PWV), and central and peripheral augmentation index (CAIx and PAIx). The B-pro device was used to measure ambulatory arterial stiffness index (AASI). RESULTS: Median counts/minute was 244.37 and mean METs/hour/week was 11.49. Physical activity showed an inverse correlation with PAIx (r = -0.179; p < 0.01) and vigorous activity day time with IMT (r = -0.174), CAIx (r = -0.217) and PAIx (r = -0.324) (p < 0.01, all). Sedentary activity day time was correlated positively with CAIx (r = 0.103; p < 0.05). In multiple regression analysis, after adjusting for confounding factors, the inverse association of CAIx with counts/minute and the time spent in moderate and vigorous activity were maintained as well as the positive association with sedentary activity day time (p < 0.05). CONCLUSION: Physical activity, assessed by counts/minute, and the amount of time spent in moderate, vigorous/very vigorous physical activity, showed an inverse association with CAIx. Likewise, the time spent in sedentary activity was positively associated with the CAIx. TRIAL REGISTRATION: Clinical Trials.gov Identifier: NCT01083082.
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