The Systemic Effects of Intermittent Claudication are Reversed by Angioplasty

Introduction exercise in patients with intermittent claudication causes systemic effects, the consequences of which are unknown. This study investigates whether successful PTA reverses the systemic effects. Patients and Methods ten patients with IC were recruited prior to PTA. Having emptied their b...

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Bibliographic Details
Published in:European journal of vascular and endovascular surgery 2001-10, Vol.22 (4), p.326-330
Main Authors: Lewis, D.R., Day, A., Jeremy, J.Y., Baird, R.N., Smith, F.C.T., Lamont, P.M.
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Angioplasty
Angioplasty, Balloon
Antioxidants - metabolism
Creatinine - metabolism
Female
Humans
Intermittent claudication
Intermittent Claudication - metabolism
Intermittent Claudication - surgery
Male
Middle Aged
Physical Exertion
Retinol-Binding Proteins - metabolism
Serum Albumin - metabolism
von Willebrand Factor - metabolism
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Summary:Introduction exercise in patients with intermittent claudication causes systemic effects, the consequences of which are unknown. This study investigates whether successful PTA reverses the systemic effects. Patients and Methods ten patients with IC were recruited prior to PTA. Having emptied their bladders and rested for 1 h, pre-exercise blood and urine samples were collected. Patients underwent treadmill exercise to maximum walking time and blood samples were collected at 10, 20 and 30 min. A second urine sample was collected at 60 min. Total antioxidant capacity (TAC) and von Willebrands Factor (vWF) were measured in blood and albumin/creatinine ratio (ACR) and retinol binding protein/creatinine ratio (RBP/Cr) in urine. Patients were recalled 2 weeks after successful angioplasty and the protocol repeated. Following PTA patients walked for a maximum of 5 min. Results there was no significant change in vWF. Exercise in claudicants induced a significant increase in median ACR (pre/post exercise=0.85 p =0.03) and in median RBP/Cr (pre/post exercise=1.8 p =0.04). These changes were no longer evident after successful PTA. TAC was significantly different before and after angioplasty at all time intervals. Conclusion successful PTA reverses glomerular effects of exercise in claudicants. Future work should investigate the use of PTA in conjunction with exercise in the treatment of peripheral vascular disease.
ISSN:1078-5884
1532-2165
DOI:10.1053/ejvs.2001.1458