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GAZZETTA MEDICA ITALIANA ARCHIVIO PER LE SCIENZE MEDICHE
A Journal on Internal Medicine and Pharmacology
Indexed/Abstracted in: BIOSIS Previews, EMBASE, Scopus, Emerging Sources Citation Index
Gazzetta Medica Italiana Archivio per le Scienze Mediche 2013 March;172(3):131-6
Disproportionate change of blood flow between the upper limbs and the lower limbs in healthy young adults during recovery from exercise
Miyata S. 1, Noda A. 1, Nishikimi N. 2, Iwami Yamada A. 3, Murohara T. 4, Komori K. 5
1 Department of Biomedical Sciences, Chubu University, Kasugai, Japan;
2 Department of Vascular Surgery, Japanese Red Cross Nagoya Daiichi Hospital, Nagoya, Japan;
3 Nagoya Central Hospital, Nagoya, Japan;
4 Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan;
5 Division of Vascular Surgery, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
Aim: The purpose of this study was to investigate the influence of blood flow in the ascending aorta and femoral artery on the ankle-brachial index (ABI) in healthy young women.
Methods: Eighteen women (21.7±0.2 years) enrolled in this study. The subjects rested on beds for 5 minutes, and then we measured their brachial and ankle systolic- and diastolic- blood pressures (brachial SBP, brachial DBP, ankle SBP, and ankle DBP) and peak velocities of blood flow in the ascending aorta (AABV), femoral artery (FABV). ABI was calculated as ankle SBP was divided with brachial SBP. The subjects walked for 15 minutes on a treadmill, according to the Modified Bruce protocol, thereafter, they rested on a bed immediately, during which time we measured their HR, BP, AABV and FABV, as well as ABI, every 3 minutes.
Results: ABI was significantly lower immediately after exercise than at rest and was still lower 15 minutes after exercise. Brachial SBP and DBP were significantly higher immediately after exercise than at rest. Ankle SBP and DBP were significantly lower than at rest until 15 minutes after exercise. AABV was significantly higher immediately after exercise than at rest and was still higher 3 minutes after exercise. FABV immediately after exercise was significantly higher than at rest and was still higher 6 minutes after exercise.
Conclusion: Inconsistent changes in blood flow in the ascending aorta and femoral artery may contribute to decreases in the ABI during recovery from exercise.