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Wound Healing: Impaired Healing – Inflammation and Wound Repair

by Carlo Raj, MD
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    What may then cause impaired healing? Infections, diabetes mellitus for sure. Not only will there be peripheral vascular disease but then also neuropathy. Poor nutrition may result in decreased protein which is very much required for wound healing. Vitamin C deficiency. The picture is showing you why you need proper vitamin C so that you can hydroxylate your collagen. The cross-linking has now been decreased in vitamin C deficiency. Welcome to scurvy. Look for major haemarthrosis. Gum bleeding, scurvy. Look for malnutrition. Zinc is required for collagenase. Copper is required for oxidase. In biochemistry make sure that you keep your oxidase separate from hydroxylase. Hydroxylase, vitamin C. Oxidase, copper. Collagenase, zinc. In fact, if you go to the local pharmacy, you can always find zinc complements or zinc supplements in which they claim that it helps with immunity. It does, we need it endogeneously. But beyond that. Anyhow, people use different things for marketing. Know as to why. There is some truth to the fact that zinc is required for collagenase. Glucocorticoids. Why would a patient require glucocorticoids. If it's causing decreased wound healing, pause here for one second. Glucocorticoid, very interesting drug is'nt it. Glucocorticoid causes neutrophilic leucocytosis. Glucocorticoid causes lymphopenia. Glucocorticoid causes decreased wound healing. Think of a patient. You are a plastic surgeon. You want to be a plastic surgeon? Go do it. Don't let anyone stop you from being what you want to be. You have a thriving plastic surgery practice. You are doing face lifts. When you do a face lift you are introducing wound into your patient on the face. Do you want much scar formation and collagen deposition? Of course not. So you purposely are then going to inject glucocorticoid derivatives into the patient so that you can then monitor and supervise the...

    About the Lecture

    The lecture Wound Healing: Impaired Healing – Inflammation and Wound Repair by Carlo Raj, MD is from the course Cellular Pathology: Basic Principles.


    Included Quiz Questions

    1. Copper
    2. Vitamin C
    3. Protein
    4. Zinc
    5. Folate
    1. Decreased collagen cross linking
    2. Neutrophilic leukocytosis
    3. Lymphopenia
    4. Decreased collagen synthesis
    5. Decreased wound healing
    1. Gliosis
    2. Degeneration of astrocytes
    3. Wallerian degeneration
    4. Schwann cells
    5. Regenerative nodules

    Author of lecture Wound Healing: Impaired Healing – Inflammation and Wound Repair

     Carlo Raj, MD

    Carlo Raj, MD


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