Name: human skeletal muscle biopsy procedures using the modified bergstr&#246;m technique
Uploaded: 2014-09-10T14:00:00
Description: Watch this Scientific Journal Video about Human Skeletal Muscle Biopsy Procedures Using the Modified BergstrÃƒÂ¶m Technique at JoVE.com

No funding to declare.

The skeletal muscle procedure as described follows the guidelines of the Appalachian State University Institutional Review Board.
NOTE: The team consists of an operator (Ph.D. or M.D. trained in the biopsy technique), and at least one, but ideally, three or more technicians. The operator is responsible for conducting and overseeing all aspects of the skeletal muscle biopsy procedure. One technician (technician #1) is immediately responsible for assisting the operator with all aspects of muscle...

<ol>
	<li>Duchene, G. B. A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Recherches+sur+la+paralysie+musculaire+pseudohypertrophique+ou+paralysie+myo-sclerosique.">Recherches sur la paralysie musculaire pseudohypertrophique ou paralysie myo-sclerosique.</a> Arch Gen Med. 11 (30), (1868).</li><li>Bergstrom, J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Muscle+electrolytes+in+man.+Determined+by+neutron+activation+analysis+on+needle+biopsy+specimens.">Muscle electrolytes in man. 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This video provides a step-by-step summary of the skeletal muscle biopsy procedure used at the ASU Human Performance Laboratory. This procedure, with small modifications, has been used to collect approximately 1,600 muscle biopsies during the past 13 years. The muscle biopsy samples have provided important data in sports nutrition based investigations, leading to important research discoveries.
There are many critical techniques to be aware of when performing the modified Bergstr&#246;m skelet...

The percutaneous or &#8216;semi-open&#8217; biopsy technique is used to obtain skeletal muscle tissue specimens from human patients and research subjects. Duchenne (1806-1875) is credited as the first to construct a needle with a trocar to obtain skeletal muscle from living subjects through percutaneous biopsy1. In the 1960&#8217;s, Bergstr&#246;m introduced a percutaneous biopsy needle similar to that described by Duchenne2-4. Twenty years later, Evans et al.5 modified the technique by applying suction through the cutting trocar of the Bergstr&#246;m needle. This modification can enhance the yield of tissue 3- to 5-fold6,7 and is employed in clinical and biomedical research settings. This technique has and will continue to foster the diagnosis of myopathies and our understanding of the structure and function of skeletal muscle.
The percutaneous muscle biopsy technique is straightforward. When done correctly, with strict adherence to aseptic technique, the associated risks are minimal. The muscle biopsy procedure is regarded as an investigational tool for research projects. Some academic institutions allow trained faculty researchers with a Ph.D., with direct physician oversight, to obtain muscle biopsies and others require a board-certified physician to perform the technique. The ASU biopsy team has successfully performed over 1,600 muscle biopsies during the past 13 years8-15. The purpose of this video is to describe the modified Bergstr&#246;m needle percutaneous muscle biopsy technique5 to obtain skeletal muscle tissue samples from the vastus lateralis of human subjects.

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			<td>pack of 50</td>
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			<td>Moore Medical</td>
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			<td>Fisher</td>
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			<td>case of 100</td>
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			<td>Fisher</td>
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			<td>case of 100</td>
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			<td>Fisher</td>
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			<td>Fisher</td>
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			<td>Fisher</td>
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			<td>Fisher</td>
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			<td>case of 100</td>
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			<td>Fisher</td>
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			<td>Medline</td>
			<td>MSC091076</td>
			<td>case of 36 tubes</td>
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			<td>Medline</td>
			<td>MSC091076Z</td>
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			<td height="24" style="height:24px;">Butterfly stitches (adhesive strips) 1/2&#34; x 4&#34; (6 per pack)</td>
			<td>Moore Medical</td>
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			<td>Fisher</td>
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			<td>Fisher</td>
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			<td>case of 36</td>
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			<td>Fisher</td>
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			<td>Moore Medical</td>
			<td>82926</td>
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			<td>Moore Medical</td>
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			<td>Moore Medical</td>
			<td>40390</td>
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			<td>Moore Medical</td>
			<td>40391</td>
			<td>box of 200</td>
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			<td>Moore Medical</td>
			<td>31608</td>
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			<td>Fisher</td>
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			<td>Moore Medical</td>
			<td>62879</td>
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human skeletal muscle biopsy procedures using the modified bergstr&#246;m technique

The percutaneous biopsy technique enables researchers and clinicians to collect skeletal muscle tissue samples. The technique is safe and highly effective. This video describes the percutaneous biopsy technique using a modified Bergstr&#246;m needle to obtain skeletal muscle tissue samples from the vastus lateralis of human subjects. The Bergstr&#246;m needle consists of an outer cannula with a small opening (&#8216;window&#8217;) at the side of the tip and an inner trocar with a cutting blade at the distal end. Under local anesthesia and aseptic conditions, the needle is advanced into the skeletal muscle through an incision in the skin, subcutaneous tissue, and fascia. Next, suction is applied to the inner trocar, the outer trocar is pulled back, skeletal muscle tissue is drawn into the window of the outer cannula by the suction, and the inner trocar is rapidly closed, thus cutting or clipping the skeletal muscle tissue sample. The needle is rotated 90&#176;&#160;and another cut is made. This process may be repeated three more times. This multiple cutting technique typically produces a sample of 100-200 mg or more in healthy subjects and can be done immediately before, during, and after a bout of exercise or other intervention. Following post-biopsy dressing of the incision site, subjects typically resume their activities of daily living right away and can fully participate in vigorous physical activity within 48-72 hr. Subjects should avoid heavy resistance exercise for 48 hr to reduce the risk of herniation of the muscle through the incision in the fascia.

The muscle biopsy procedure as described above allows the researcher to quickly and consistently collect skeletal muscle tissue samples. The typical yield in healthy, athletic subjects is 200 mg or more in a single pass with 3-4 clips. The procedure takes 15-20 min, most of which is spent in preparation for the incision. In exercise-based studies, muscle samples are often taken pre- and post-exercise, with one or two samples collected during recovery. With this design, the hair on the post-exercise (contralateral) thigh ...

Watch this Scientific Journal Video about Human Skeletal Muscle Biopsy Procedures Using the Modified BergstrÃƒÂ¶m Technique at JoVE.com

Human Skeletal Muscle Biopsy Procedures Using the Modified BergstrÃƒÆ’Ã‚Â¶m Technique

The purpose of this video is to present the modified Bergstr&#246;m skeletal muscle biopsy technique on human subjects.

Human Skeletal Muscle Biopsy Procedures Using the Modified Bergstr&#246;m Technique

The percutaneous biopsy technique enables researchers and clinicians to collect skeletal muscle tissue samples. The technique is safe and highly ...

Research

JoVE Journal

Medicine

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