BIOMECHANICAL EVALUATION OF SPONTANEITY REPAIR OF OSTEOCHONDRAL DEFECTS IN RABBIT KNEE

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KAMALI FAHIMEH; EBRAHIMI ESMAEIL; BAYAT MOHAMMAD; TORKAMAAN G.; SALAVATI M.

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Journal: Archives of Rehabilitation (Journal of Rehabilitation) Year:2007 | Volume:7 | Issue:4 (27) Page(s): 25-29

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Title

BIOMECHANICAL EVALUATION OF SPONTANEITY REPAIR OF OSTEOCHONDRAL DEFECTS IN RABBIT KNEE

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Keywords

REPAIRQ3

ARTICULAR CARTILAGEQ3

INDENTATIONQ3

ELASTIC– MODULUSQ3

Abstract

Objective: Full-thickness defects measuring 3 mm in diameter have been commonly used in studies of rabbits to evaluate new procedures designed to improve the quality of ARTICULAR CARTILAGE REPAIR. These defects initially heal spontaneously. However, little information is available on the characteristics of REPAIR of large defects. The aim of present study was to define the biomechanical characteristics of REPAIR of 5x4 mm full- thickness osteochondral defects in the adolescent male rabbit.Materials & Methods: In a Quasi - Experimental study 5 millimeter diameter and 4 mm deep osteochondral defects were drilled in femoral patellar groove of twenty-one rabbits , and examined at 4 ,8 and 16 weeks.The left knee was kept intact as the normal control. . The knee joints were removed, and both legs were examined biomechanically by in situ INDENTATION method at three time- intervals (4, 8, 16 weeks). The instantaneous and equilibrium elastic- modulus (after 900 second) measured during the test.Results: There were no differences in cartilage mechanical properties (instantaneous and equilibrium elastic- modulus) between weeks (4, 8, 16 weeks) in two groups (P > 0/05). lthough Significant differences between experimental and control groups were seen in 16 weeks in instantaneous elastic- modulus (P < 0/05). New tissue supported high stiffness than normal control in 16 weeks.Conclusion: Full-thickness osteochondral defects, measuring 5x4 mm in diameter and dept in patellar groove of adolescent rabbit knee heal spontaneously.

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APA: Copy

KAMALI, FAHIMEH, EBRAHIMI, ESMAEIL, BAYAT, MOHAMMAD, TORKAMAAN, G., & SALAVATI, M.. (2007). BIOMECHANICAL EVALUATION OF SPONTANEITY REPAIR OF OSTEOCHONDRAL DEFECTS IN RABBIT KNEE. ARCHIVES OF REHABILITATION (JOURNAL OF REHABILITATION), 7(4 (27)), 25-29. SID. https://sid.ir/paper/43485/en

Vancouver: Copy

KAMALI FAHIMEH, EBRAHIMI ESMAEIL, BAYAT MOHAMMAD, TORKAMAAN G., SALAVATI M.. BIOMECHANICAL EVALUATION OF SPONTANEITY REPAIR OF OSTEOCHONDRAL DEFECTS IN RABBIT KNEE. ARCHIVES OF REHABILITATION (JOURNAL OF REHABILITATION)[Internet]. 2007;7(4 (27)):25-29. Available from: https://sid.ir/paper/43485/en

IEEE: Copy

FAHIMEH KAMALI, ESMAEIL EBRAHIMI, MOHAMMAD BAYAT, G. TORKAMAAN, and M. SALAVATI, “BIOMECHANICAL EVALUATION OF SPONTANEITY REPAIR OF OSTEOCHONDRAL DEFECTS IN RABBIT KNEE,” ARCHIVES OF REHABILITATION (JOURNAL OF REHABILITATION), vol. 7, no. 4 (27), pp. 25–29, 2007, [Online]. Available: https://sid.ir/paper/43485/en

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