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Article: Therapeutic low energy laser improves the mechanical strength of repairing medial collateral ligament

TitleTherapeutic low energy laser improves the mechanical strength of repairing medial collateral ligament
Authors
Issue Date2002
PublisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/34073
Citation
Lasers In Surgery And Medicine, 2002, v. 31 n. 2, p. 91-96 How to Cite?
AbstractBackground and Objectives: Low energy laser therapy has been shown to enhance collagen production but its effect on tissue strength is not well reported. We tested the effects of therapeutic laser on the strength of healing medial collateral ligaments (MCLs) in rats. Study Design/Materials and Methods: Twenty-four rats received surgical transection to their right MCL and eight received sham operation. After surgery, 16 received a single dose of gallium aluminum arsenide laser to their transected MCL for 7.5 minutes (n = 8) or 15 minutes (n = 8) and eight served as control with placebo laser, while the sham group didn't receive any treatment. The MCLs were biomechanically tested at either 3 or 6 weeks post-operation. Results: The normalized ultimate tensile strength (UTS) and stiffness of laser and sham groups were larger than control (P < 0.001). The UTS of laser and sham groups were comparable. Laser and sham groups had improved in stiffness from 3 to 6 weeks (P < 0.001). Conclusions: A single dose of low energy laser therapy improves the UTS and stiffness of repairing MCL at 3 and 6 weeks after injury. © 2002 Wiley-Liss, Inc.
Persistent Identifierhttp://hdl.handle.net/10722/67968
ISSN
2015 Impact Factor: 2.135
2015 SCImago Journal Rankings: 0.977
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorFung, DTCen_HK
dc.contributor.authorNg, GYFen_HK
dc.contributor.authorLeung, MCPen_HK
dc.contributor.authorTay, DKCen_HK
dc.date.accessioned2010-09-06T05:59:54Z-
dc.date.available2010-09-06T05:59:54Z-
dc.date.issued2002en_HK
dc.identifier.citationLasers In Surgery And Medicine, 2002, v. 31 n. 2, p. 91-96en_HK
dc.identifier.issn0196-8092en_HK
dc.identifier.urihttp://hdl.handle.net/10722/67968-
dc.description.abstractBackground and Objectives: Low energy laser therapy has been shown to enhance collagen production but its effect on tissue strength is not well reported. We tested the effects of therapeutic laser on the strength of healing medial collateral ligaments (MCLs) in rats. Study Design/Materials and Methods: Twenty-four rats received surgical transection to their right MCL and eight received sham operation. After surgery, 16 received a single dose of gallium aluminum arsenide laser to their transected MCL for 7.5 minutes (n = 8) or 15 minutes (n = 8) and eight served as control with placebo laser, while the sham group didn't receive any treatment. The MCLs were biomechanically tested at either 3 or 6 weeks post-operation. Results: The normalized ultimate tensile strength (UTS) and stiffness of laser and sham groups were larger than control (P < 0.001). The UTS of laser and sham groups were comparable. Laser and sham groups had improved in stiffness from 3 to 6 weeks (P < 0.001). Conclusions: A single dose of low energy laser therapy improves the UTS and stiffness of repairing MCL at 3 and 6 weeks after injury. © 2002 Wiley-Liss, Inc.en_HK
dc.languageengen_HK
dc.publisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/34073en_HK
dc.relation.ispartofLasers in Surgery and Medicineen_HK
dc.rightsLasers in Surgery and Medicine. Copyright © John Wiley & Sons, Inc.en_HK
dc.subject.meshAnimalsen_HK
dc.subject.meshDisease Models, Animalen_HK
dc.subject.meshDose-Response Relationship, Radiationen_HK
dc.subject.meshElasticity - radiation effectsen_HK
dc.subject.meshLaser Therapy, Low-Levelen_HK
dc.subject.meshMaleen_HK
dc.subject.meshMedial Collateral Ligament, Knee - injuries - radiation effects - surgeryen_HK
dc.subject.meshRatsen_HK
dc.subject.meshRats, Sprague-Dawleyen_HK
dc.subject.meshStress, Mechanicalen_HK
dc.subject.meshTensile Strength - radiation effectsen_HK
dc.subject.meshTime Factorsen_HK
dc.subject.meshViscosity - radiation effectsen_HK
dc.subject.meshWound Healing - radiation effectsen_HK
dc.titleTherapeutic low energy laser improves the mechanical strength of repairing medial collateral ligamenten_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0196-8092&volume=31&spage=91&epage=96&date=2002&atitle=Therapeutic+low+energy+laser+improves+the+mechanical+strength+of+repairing+medial+collateral+ligamenten_HK
dc.identifier.emailTay, DKC:dkctay@hkucc.hku.hken_HK
dc.identifier.authorityTay, DKC=rp00336en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/lsm.10083en_HK
dc.identifier.pmid12210592-
dc.identifier.scopuseid_2-s2.0-0036371794en_HK
dc.identifier.hkuros72478en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0036371794&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume31en_HK
dc.identifier.issue2en_HK
dc.identifier.spage91en_HK
dc.identifier.epage96en_HK
dc.identifier.isiWOS:000177663700003-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridFung, DTC=7103139877en_HK
dc.identifier.scopusauthoridNg, GYF=7102563754en_HK
dc.identifier.scopusauthoridLeung, MCP=7201943351en_HK
dc.identifier.scopusauthoridTay, DKC=7006796825en_HK

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