Can Dynamic Contrast-Enhanced CT Quantify Perfusion in a Stimulated Muscle of Limited Size? A Rat Model.

07:00 EST 13th November 2019 | BioPortfolio

Summary of "Can Dynamic Contrast-Enhanced CT Quantify Perfusion in a Stimulated Muscle of Limited Size? A Rat Model."

Muscle injury may result in damage to the vasculature, rendering it unable to meet the metabolic demands of muscle regeneration and healing. Therefore, therapies frequently aim to maintain, restore, or improve blood supply to the injured muscle. Although there are several options to assess the vascular outcomes of these therapies, few are capable of spatially assessing perfusion in large volumes of tissue.


Journal Details

This article was published in the following journal.

Name: Clinical orthopaedics and related research
ISSN: 1528-1132


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Medical and Biotech [MESH] Definitions

An operation that uses stimulated latissimus dorsi muscle (SKELETAL MUSCLE VENTRICLE) to assist cardiac function. The latissimus dorsi muscle is mobilized from the chest wall and moved into the thorax through the bed of the resected 2nd or 3rd rib. The muscle is then wrapped around the left and right ventricles and stimulated to contract during cardiac systole by means of an implanted burst-stimulator. (Stedman, 26th ed)

Substances used to allow enhanced visualization of tissues.

Exercises that stretch the muscle fibers with the aim to increase muscle-tendon FLEXIBILITY, improve RANGE OF MOTION or musculoskeletal function, and prevent injuries. There are various types of stretching techniques including active, passive (relaxed), static, dynamic (gentle), ballistic (forced), isometric, and others.

Autologous skeletal muscle that is wrapped around the heart and electrically stimulated in order to provide mechanical heart assistance. The latissimus dorsi muscle is commonly used to form this ventricle that functions to independently augment cardiac performance by pumping in series with the heart.

Motor neurons which activate the contractile regions of intrafusal SKELETAL MUSCLE FIBERS, thus adjusting the sensitivity of the MUSCLE SPINDLES to stretch. Gamma motor neurons may be "static" or "dynamic" according to which aspect of responsiveness (or which fiber types) they regulate. The alpha and gamma motor neurons are often activated together (alpha gamma coactivation) which allows the spindles to contribute to the control of movement trajectories despite changes in muscle length.

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