Collagen Fibers in the Healing Process of Rat Achilles Tendon Rupture Using Different Times of Ultrasound Therapy

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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.authorFARCIC, Thiago Saikali
dc.contributor.authorBALDAN, Cristiano Schiavinato
dc.contributor.authorMACHADO, Aline Fernanda Perez
dc.contributor.authorCAFFARO, Leonardo Affonso Massabki
dc.contributor.authorMASSON, Igor Fagioli Bordello
dc.contributor.authorCASAROTTO, Raquel Aparecida
dc.date.accessioned2018-05-08T14:31:51Z
dc.date.available2018-05-08T14:31:51Z
dc.date.issued2018
dc.description.abstractObjective: The aim of this study was to evaluate the organization of collagen fibers in the healing process of rat Achilles tendon rupture using different times of ultrasound therapy (TUS). Approach: Forty Wistar rats were selected. Among these, 32 were submitted to total tenotomy of the calcaneous tendon and divided into 5 groups: control group (CG, n = 8), without tenotomy or any treatment; tenotomy group (n = 8), with tenotomy and without treatment; TUS groups-TUS3 (n = 8), TUS4 (n = 8), and TUS5 (n = 8)-submitted to tenotomy and treated with TUS for 3, 4, and 5 min per effective radiating area (ERA), respectively. The animals were sacrificed on the 12th postoperative day. The tendons were surgically removed for analysis of the collagen fiber organization using the birefringence technique (OR, optical retardation). Results: The collagen fibers exhibited better aggregation and organization in the UST3, TUS4, and TUS5 groups compared with CG (p < 0.05). The TUS5 group had better response rates in intergroup comparison. Innovation: The dose response of therapeutic TUS is influenced by many variables. The scientific evidence to support the dosimetry is insufficient. The application time is an important variable to be considered in TUS. In this study, the longer the application time, the better for organization and aggregation of collagen fibers in the rat tendon. Conclusion: TUS applied for 5min per ERA presented higher dose response to the organization of collagen fibers in the healing process of rat Achilles tendon rupture.
dc.description.indexPubMed
dc.identifier.citationADVANCES IN WOUND CARE, v.7, n.4, p.114-120, 2018
dc.identifier.doi10.1089/wound.2017.0748
dc.identifier.eissn2162-1934
dc.identifier.issn2162-1918
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/26311
dc.language.isoeng
dc.publisherMARY ANN LIEBERT, INC
dc.relation.ispartofAdvances in Wound Care
dc.rightsrestrictedAccess
dc.rights.holderCopyright MARY ANN LIEBERT, INC
dc.subjectbirefringence
dc.subjectdosimetry
dc.subjectwound healing
dc.subjectAchilles tendon
dc.subjectultrasonic therapy
dc.subjecttendon injuries
dc.subject.othertissue-repair
dc.subject.othermorphology
dc.subject.otherintensity
dc.subject.wosDermatology
dc.titleCollagen Fibers in the Healing Process of Rat Achilles Tendon Rupture Using Different Times of Ultrasound Therapy
dc.typearticle
dc.type.categoryoriginal article
dc.type.versionpublishedVersion
dspace.entity.typePublication
hcfmusp.author.externalMACHADO, Aline Fernanda Perez:Univ Paulista UNIP, Dept Phys Therapy, Sao Paulo, SP, Brazil; Univ Cidade Sao Paulo UNICID, Masters & Doctoral Programs Phys Therapy, Sao Paulo, SP, Brazil
hcfmusp.author.externalMASSON, Igor Fagioli Bordello:Univ Paulista UNIP, Dept Phys Therapy, Sao Paulo, SP, Brazil
hcfmusp.citation.scopus5
hcfmusp.contributor.author-fmusphcTHIAGO SAIKALI FARCIC
hcfmusp.contributor.author-fmusphcCRISTIANO SCHIAVINATO BALDAN
hcfmusp.contributor.author-fmusphcLEONARDO AFFONSO MASSABKI CAFFARO
hcfmusp.contributor.author-fmusphcRAQUEL APARECIDA CASAROTTO
hcfmusp.description.beginpage114
hcfmusp.description.endpage120
hcfmusp.description.issue4
hcfmusp.description.volume7
hcfmusp.origemWOS
hcfmusp.origem.pubmed29696098
hcfmusp.origem.scopus2-s2.0-85045137964
hcfmusp.origem.wosWOS:000429201200002
hcfmusp.publisher.cityNEW ROCHELLE
hcfmusp.publisher.countryUSA
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