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Ultrasound for tendon and bone healing

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Ultrasound for tendon and bone healing - February 1, 2000 1:53:00 AM   
Randy Moore


Posts: 103
Joined: July 6, 1999
From: Columbus, OH USA
Status: offline 		We received a request to post this question from a member:

What are the ultrasound parameters for:tendon healing & bone healing?

[This message has been edited by Randy J Moore (edited February 01, 2000).]
Post #: 1
Re: Ultrasound for tendon and bone healing - February 1, 2000 2:53:00 AM   
Dana D

 

Posts: 142
Joined: September 18, 1999
Status: offline 		Isn't ultrasound contraindicated with fractures?

(in reply to Randy Moore)
Post #: 2
Re: Ultrasound for tendon and bone healing - February 3, 2000 5:26:00 PM   
David Adamczyk

 

Posts: 306
Joined: March 14, 1999
From: Cleveland
Status: offline 		Here is some interesting information that I found while doing a search on ultrasound and bone healing:

The Exogen Ultrasound Fracture Healing Therapy [Sonic Accelerated Fracture Healing System (SAFHS® 2A) or SAFHS 2000®] is a non-invasive ultrasound device which uses low-intensity, pulsed acoustic pressure waves to facilitate fracture healing by augmenting the body's natural bone repair process at the cellular level. [URL=http://www.exogen.com/patient.html]http://www.exogen.com/patient.html[/URL]

Check out these articles: Citations:
Enhancement of fracture healing by low intensity ultrasound. [URL=http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=9917641&form=6&db=m&Dopt=b]http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=9917641&form=6&db=m&Dopt=b[/URL]

Bone defect healing enhanced by ultrasound stimulation: an in vitro tissue culture model. [URL=http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=10380004&form=6&db=m&Dopt=b]http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=10380004&form=6&db=m&Dopt=b[/URL]

Low intensity pulsed ultrasound (frequency: 1.5 MHz, pulsed by 1 KHz, signal burst width: 200 musec, intensity: 30 mW/cm2) [URL=http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=10232035&form=6&db=m&Dopt=b]http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=10232035&form=6&db=m&Dopt=b[/URL]

(in reply to Randy Moore)
Post #: 3
Re: Ultrasound for tendon and bone healing - April 26, 2000 6:22:00 PM   
jeffmcv

 

Posts: 9
Joined: April 24, 2000
From: Richmond, VA
Status: offline 		US and Wound Healing
.75 and 1 mHz US at .1 w/cm2 x 5 days improved neovascularization in surgically induced rat skin wounds in comparison to controls (Young and Dyson '90)

1Mhz US at .5 w/cm2 for 2 days than 1.5 w/cm2 for 2 days 20% duty cycle for both, improved healing of induced wounds in pigs as measured by breaking strength, collagen deposition, and mast cell degranulation (Byl & McKenzie '92)
--Follow up study determined that .5 w/cm2 dose was superior to 1.5 cm2 when applied 5 min daily for either 5 or 10 days (Byl & McKenzie '93)

1 Mhz at .5 w/cm2 x 5 min daily x 2 days found to decrease pain and accelerate hematoma resolution in human females w/ gynecological surgical wounds (Ferguson '81)

US and Bone Healing
Two double-blind placebo controlled studies showed increased healing rate of Colles and tibial Fx's (increased mineralization) with low intensity US (20% duty cycle, .15 w/cm2 x 20 min daily) when applied in the early phases of healing
J Bone Jt Surg 1994; 76A (1): 26-34
J Orthop Trauma 1990; 4 (3): 246-253

US and Tendon Healing
1 Mhz US at 1.0 w/cm2 delivered underwater x 5min daily for 9 days following surgical transection and repair of rabbit Achilles improved ultimate load to failure and increased cross-sectional area of the tendons in comparison to sham US (Enwekmeka '89) A follow up study using .5 w/cm2 found an even greater increase in ultimate load without an increase in cross-sectional area (Enwemeka '90).

Hope this helps!
Jeff

(in reply to Randy Moore)
Post #: 4
Re: Ultrasound for tendon and bone healing - April 27, 2000 4:58:00 AM   
Andrew M. Ball, MS, PT

 

Posts: 500
Joined: October 8, 1999
From: Chapel Hill, NC, USA
Status: offline 		Nice Job Folks,

According to the literature, it would seem that US is not contraindicated in cases of fracture, but may actually accelerate the healing process. Do the experiences of clinicians agree with what the literature suggests?

Drew

(in reply to Randy Moore)
Post #: 5
Re: Ultrasound for tendon and bone healing - April 24, 2002 11:49:00 PM   
qingliqiao

 

Posts: 1
Joined: April 24, 2002
From: Shanghai
Status: offline 		Who could send me those papers.I'm very interested in them.


[QUOTE]Originally posted by David Adamczyk:
Here is some interesting information that I found while doing a search on ultrasound and bone healing:

The Exogen Ultrasound Fracture Healing Therapy [Sonic Accelerated Fracture Healing System (SAFHS?2A) or SAFHS 2000®] is a non-invasive ultrasound device which uses low-intensity, pulsed acoustic pressure waves to facilitate fracture healing by augmenting the body's natural bone repair process at the cellular level. [URL=http://www.exogen.com/patient.html]http://www.exogen.com/patient.html[/URL]

Check out these articles: Citations:
Enhancement of fracture healing by low intensity ultrasound. [URL=http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=9917641&form=6&db=m&Dopt=b]http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=9917641&form=6&db=m&Dopt=b[/URL]

Bone defect healing enhanced by ultrasound stimulation: an in vitro tissue culture model. [URL=http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=10380004&form=6&db=m&Dopt=b]http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=10380004&form=6&db=m&Dopt=b[/URL]

Low intensity pulsed ultrasound (frequency: 1.5 MHz, pulsed by 1 KHz, signal burst width: 200 musec, intensity: 30 mW/cm2) [URL=http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=10232035&form=6&db=m&Dopt=b]http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=10232035&form=6&db=m&Dopt=b[/URL]

[/QUOTE]

(in reply to Randy Moore)
Post #: 6
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