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Ahmed Badrek- Alamoudi FRCS

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Ahmed Badrek- Alamoudi FRCS

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    1. Ahmed Badrek- Alamoudi FRCS

    3. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 Introduction The Wider Physiological Response, Metabolic The immune response Endocrine response Injury: Surgical & Traumatic Thermal/ Electrical (Burns) Infectious ( septicemia)

    4. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 Introduction The Aim: Identify and quantify the injurious agent. Maintain Critical Organ function Restore Homeostasis Mobilize Energy reserves Provide substrate for tissue repair Repair of dysfunctional tissue Eradicate sepsis

    5. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 Response to Injury

    6. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 Factors influencing the Extent and Duration of the Metabolic Response Pain and Fear Surgical Factors: Type of surgery Region Duration Preoperative support Extent of the trauma and degree of resuscitation Post traumatic complications: Hemorrhage Hypoxia Sepsis and Fever StarvationIleus Re-operation Pre-existing nutritional status Age and sex

    7. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424

    9. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 Other Endogenous Substances

    10. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 Water Balance Under the influence of ADH Results in WATER RETENTION. Inappropriate ADH Secretion Low Plasma Osmolarity High Urine Osmolarity

    11. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 Sodium Balance Early Retention Plasma levels: normal/ raised

    12. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 Potassium Balance Initial Decrease Intracellular K is released by injured tissue

    13. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 Protein Balance Protein loss depends on the severity of the injury The body tissue affected Gender, age and state of health of the patient The nutritional status of the patient Degree of Protein break-Down may be limited by glucose infusion.

    14. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 Nitrogen Balance

    16. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 A Schematic Diagram Showing Nitrogen and Sodium Balance

    17. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 Glucose Balance Immediate increase in glucose level This continues in to the early catabolic Phase

    18. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 Change in Metabolic Rate

    20. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 Change in Immune response Cytokine mediated response: Cell to cell mediation Immune cell production, proliferation and survival Regulation between proinflammatory & antinflammatory Chemotaxis to the site of the injury and promotes wound healing Hemodynamic instability with tackycardia vasodialation ( Septic shock) Fever & leukocytosis ( Systemic inflammatory response syndrome) Cachexia Indothelial cell mediators Intracellular mediators

    21. Metabolic Response to Trauma- Fourth year Lecture- 1423-1424 Methods to Minimize the Metabolic Response Replace blood and fluid losses Maintain Oxygenation Give adequate nutrition Provide Analgesia Avoid Hypothermia

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