| Effect of cilostazol and pentoxifylline on gait biomechanics in rats with ischemic left hindlimb. | |
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MedLine Citation:
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PMID: 22503175 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE: The purpose of this study was to determine the impact of pharmacologic treatment with cilostazol and pentoxifylline on gait biomechanics of ischemic rat hindlimbs compared with nonischemic controls. METHODS: An experimental study was designed using 30 Wistar rats divided into five groups (n = 6): control (C); ischemia (I) - animals submitted to left common iliac artery interruption without pharmacologic treatment; pentoxifylline (Pen) - rats submitted to procedure and treated with pentoxifylline 3 mg/kg twice a day for 6 weeks; cilostazol (Cil) - animals submitted to procedure and treated with cilostazol 30 mg/kg twice a day for 6 weeks; and sham (S) - animals submitted to procedure without artery interruption. Gait analysis was performed using a computed treadmill. Time, number, and duration of each hindlimb contact were obtained. The total number of contacts (TNC) and the total duration of contacts (TDC) were compared between left and right hindlimb and among groups. Left hindlimb ischemic incapacitation index (LHII) was defined by the formula: RESULTS: Left hindlimb TNC values were twofold lower in I, Pen, and Cil groups than in C and S groups (P < .01). In I, Pen, and Cil groups, TNC values for the left hindlimb were half of the right hindlimb ones (P < .01). Left hindlimb TDC values were lower in I and Pen groups than the other groups (P < .01). Cil group presented twofold increased values, not different from C and S groups (P = 0.16). Right hindlimb TNC values were greater for I group (P < .01). LHII was around zero in C and S groups and 82 in both I and Pen groups (P < .01). Cil group presented a LHII of 42; higher than C and S groups, but lower than I and Pen groups (P < .01). CONCLUSIONS: Cilostazol at a dose of 30 mg/kg twice a day promoted improvement in gait performance in rats submitted to chronic hindlimb ischemia. Pentoxifylline at a dose of 3 mg/kg twice a day did not show this effect. |
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Authors:
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Matheus Bredarioli; Marcelo Bellini Dalio; Edwaldo Edner Joviliano; Willian Alves do Prado; Carlos Eli Piccinato |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-4-11 |
Journal Detail:
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Title: Journal of vascular surgery : official publication, the Society for Vascular Surgery [and] International Society for Cardiovascular Surgery, North American Chapter Volume: - ISSN: 1097-6809 ISO Abbreviation: - Publication Date: 2012 Apr |
Date Detail:
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Created Date: 2012-4-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8407742 Medline TA: J Vasc Surg Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012. Published by Mosby, Inc. |
Affiliation:
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Department of Surgery and Anatomy, Division of Vascular and Endovascular Surgery, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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