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  1. #1
    Junior Member
    تاريخ التسجيل
    Oct 2012
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    ultrasound therapy - muradi alshamary

    Ultrasound Therapy - Ultrasound Treatments

    Question: What Is Ultrasound Therapy?
    Answer: Ultrasound therapy is a treatment modality used by physical therapists or occupational therapists to treat pain conditions, and to promote tissue healing. While ultrasound therapy is not effective for all chronic pain conditions, it may help reduce your pain if you have any of the following:

    · Osteoarthritis
    · Myofascial pain
    · Bursitis
    · Carpal tunnel syndrome
    · Pain caused by scar tissue
    · Phantom limb pain
    · Sprains and strains



    Ultrasound treatment uses high-energy sound waves to treat painful joints and muscles. Its effectiveness to relieve pain is still in question.

    Ultrasound Treatment

    Ultrasound is the best form of heat treatment for soft tissue injuries. It is used to treat joint and muscle sprains, bursitis, and tendonitis, from University of Iowa Healthcare.

    Ultrasound Therapy (The History of Ultrasound)

    The use of ultrasound in physical therapy dates back to the 1940s. The use of ultrasound therapy has gained progressive popularity in departments of Physical Medicine and Rehabilitation throughout the United States and Europe, from Dr. Joseph S.K. Woo.


    Types of Ultrasound Therapy

    There are two main types of ultrasound therapy: thermal and mechanical. Both use sound waves generated through a transducer head (which looks a bit like a microphone) to penetrate soft tissues. The difference between the two types of ultrasound therapy is the rate at which the sound waves penetrate the tissues.
    · Thermal ultrasound therapy. Thermal ultrasound therapy uses a more continuous transmission of sound waves. The sound waves cause microscopic vibrations in the deep tissue molecules, increasing heat and friction. The warming effect encourages healing in the soft tissues by increasing the metabolism at the level of the tissue cells.
    · Mechanical ultrasound therapy. Mechanical ultrasound therapy uses pulses of sound waves to penetrate tissues. While this still has a minor warming effect on the tissues, it also causes expansion and contraction in the tiny gas bubbles of the soft tissues. This helps to decrease the inflammatory response, reducing tissue swelling and thus decreasing pain.
    How Ultrasound Therapy Is Performed

    Your therapist will select a small surface area to work on for anywhere from five to 10 minutes. Gel is applied either to the transducer head or to your skin, which helps the sound waves evenly penetrate the skin. During your ultrasound therapy treatment, your therapist will continually move the transducer head over and around the selected area.
    Will I Feel Anything During Ultrasound Therapy?

    Some people feel a mild pulsing during ultrasound therapy, while others may feel slight warmth in the skin. Don’t be surprised, however, if you feel nothing at all, apart from the cold gel on your skin. If the area being treated is especially sensitive to touch, you could possibly feel discomfort as the transducer head passes over. Ultrasound therapy, however, should not be painful.
    Is Ultrasound Therapy Safe?

    Ultrasound therapy is deemed safe by the FDA provided it is performed by a licensed person, and provided the therapist keeps the transducer head moving at all times. If the transducer head remains in one place for too long, there is potential to burn the tissues underneath, which you may or may not feel.
    Ultrasound therapy should not be used on these body parts:
    · Over the abdomen, pelvic regions or lower back in women who are menstruating or pregnant
    · Over lesions, broken skin or healing fractures
    · Around the eyes, breasts or sexual organs
    · Over any areas with plastic implants
    · Over or near areas with malignant tumors
    · Over areas with impaired sensations or blood flow
    Does Ultrasound Therapy Really Work?

    The literature is mixed on the benefits of ultrasound therapy. Some studies show that it can effectively control certain types of chronic pain, while others say there is little difference between ultrasound therapy and other traditional therapy treatments (such as heat, stretching and electrical stimulation) for pain control.
    My experience as an occupational therapist is that ultrasound therapy either works very well, or not at all. Much like pain medication, finding the treatment modality that decreases your pain is often a trial and error process. If you have not had any improvement in your pain after several ultrasound treatments, ask your therapist or doctor about trying something else.

    What Does Ultrasound Do?
    Deep heating effects. Ultrasound is often used to provide deep heating to soft tissue structures in the body. Deep heating tendons, muscles or ligaments increases circulation to those tissues, which is thought to help the healing process. Increasing tissue temperature with ultrasound is also used to help decrease pain.
    Deep heating can be used to increase the "stretchiness" of muscles and tendons that may be tight. If you have shoulder pain and have been diagnosed with a frozen shoulder, your physical therapist may use ultrasound to help improve the extensibility of the tissues around your shoulder prior to performing range of motion exercises. This may help improve the ability of your shoulder to stretch.
    Non-thermal effects (cavitation). Ultrasound introduces energy into the body. This energy causes microscopic gas bubbles around your tissues to expand and contract rapidly, a process called cavitation. It is theorized that the expansion and contraction of these bubbles help speed cellular processes and improves healing of injured tissue.
    Two types of cavitation include stable and unstable cavitation. Stable cavitation is desired when your physical therapist is applying ultrasound to your body. Unstable cavitation can be dangerous to your body's tissues, and your physical therapist will ensure that this does not occur during the application of ultrasound.
    How Is Ultrasound Applied?
    Ultrasound is performed with machine that has an ultrasound transducer (sound head). A small amount of gel is applied to the particular body part; then your physical therapist slowly moves the sound head in a small circular direction on your body. The therapist may change various settings on the ultrasound unit to control the depth of penetration of the ultrasound waves or change the intensity of the ultrasound. Different settings are used in various stages of healing.
    Alternative methods of ultrasound application are available if the body part is bony and bumpy, or if there's an open wound. (The ultrasound gel and sound head may harbor bacteria that can enter the wound.)
    Your physical therapist may use ultrasound gel combined with a topical medication to help treat inflammation around soft tissue in the body. This process is called phonophoresis. While there is some evidence that ultrasound waves help deliver the medicated gel to the injured tissues, most published studies indicate that this treatment may be ineffective.

    What Does Ultrasound Feel Like?
    While you are receiving an ultrasound treatment, you will most likely not feel anything happening, except perhaps a slight warming sensation or tingling around the area being treated. If the ultrasound sound head is left in place on your skin and not moved in a circular direction, you may experience pain. If this occurs, tell your physical therapist right away.
    Common Injuries Treated with Ultrasound
    · Bursitis
    · Tendonitis
    · Muscle strains and tears
    · Frozen shoulder
    · Sprains and ligament injuries
    · Joint contracture or tightness
    Caution During Ultrasound
    If you are going for physical therapy and are getting ultrasound, you should know that many studies have found that ultrasound offers little benefit to the overall outcome in physical therapy. For example, if you have low back pain, ultrasound treatments have been shown to offer very little benefit. In fact, ultrasound received a grade of "C" (no benefit demonstrated) for knee pain, low back pain and neck pain in a series of papers published in Physical Therapy Journal in 2001. The evidence leads many to wonder if ultrasound really helps you in physical therapy.
    Many people argue that ultrasound can have a negative effect on your physical therapy by needlessly prolonging your care. Ultrasound is a passive treatment. In other words, you can't provide the treatment yourself.
    Bottom Line
    Your physical therapist may use ultrasound to help improve your condition. If so, be sure to ask about the need for ultrasound. Also, be sure that you are also performing an active self-care exercise program at home. If you are actively engaged in your rehabilitation, you can ensure that you have a safe and rapid recovery back to normal function.



    Muradi mohammed alshamary _ 60018

    PT1
    Undersopervision of : Dr. sameer aljazzar
    Albatarji medical college
    التعديل الأخير تم بواسطة muradi ; 03-01-2013 الساعة 12:45 PM

  2. #2
    Administrator
    تاريخ التسجيل
    Oct 2011
    الدولة
    Cairo - Egypt
    المشاركات
    15,229
    US Wave in Physical Therapy

 

 

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