| Haemodynamic effect of intermittent pneumatic compression of the leg after infrainguinal arterial bypass grafting. | |
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MedLine Citation:
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PMID: 15048742 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Intermittent pneumatic compression (IPC) may increase blood flow through infrainguinal arterial grafts, and has potential clinical application as blood flow velocity attenuation often precedes graft failure. The present study examined the immediate effects of IPC applied to the foot (IPC(foot)), the calf (IPC(calf)) and to both simultaneously (IPC(foot+calf)) on the haemodynamics of infrainguinal bypass grafts. METHODS: Eighteen femoropopliteal and 18 femorodistal autologous vein grafts were studied; all had a resting ankle : brachial pressure index of 0.9 or more. Clinical examination, graft surveillance and measurement of graft haemodynamics were conducted at rest and within 5 s of IPC in each mode using duplex imaging. Outcome measures included peak systolic (PSV), mean (MV) and end diastolic (EDV) velocities, pulsatility index (PI) and volume flow in the graft. RESULTS: All IPC modes significantly enhanced MV, PSV, EDV and volume flow in both graft types; IPC(foot+calf) was the most effective. IPC(foot+calf) enhanced median volume flow, MV and PSV in femoropopliteal grafts by 182, 236 and 49 per cent, respectively, and attenuated PI by 61 per cent. Enhancement in femorodistal grafts was 273, 179 and 53 per cent respectively, and PI attenuation was 63 per cent. CONCLUSION: IPC was effective in improving infrainguinal graft flow velocity, probably by reducing peripheral resistance. IPC has the potential to reduce the risk of bypass graft thrombosis. |
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Authors:
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K T Delis; M J Husmann; G Szendro; N S Peters; J H N Wolfe; A O Mansfield |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The British journal of surgery Volume: 91 ISSN: 0007-1323 ISO Abbreviation: Br J Surg Publication Date: 2004 Apr |
Date Detail:
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Created Date: 2004-03-29 Completed Date: 2004-05-10 Revised Date: 2005-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0372553 Medline TA: Br J Surg Country: England |
Other Details:
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Languages: eng Pagination: 429-34 Citation Subset: AIM; IM |
Copyright Information:
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Copyright 2004 British Journal of Surgery Society Ltd. |
Affiliation:
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Regional Vascular Surgery Unit, St Mary's Hospital, Imperial College School of Medicine, London, UK. k.delis@ic.ac.uk |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Blood Flow Velocity / physiology Blood Vessel Prosthesis* Constriction Cross-Over Studies Diastole Female Foot Graft Occlusion, Vascular / prevention & control Humans Leg / blood supply* Male Physical Therapy Modalities* Systole Vascular Resistance / physiology |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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