Gustilo open fracture classificationThe Gustilo open fracture classification system is the most commonly used classification system for open fractures. It was created by Ramón Gustilo and Anderson, and then further expanded by Gustilo, Mendoza, and Williams. This system uses the amount of energy, the extent of soft-tissue injury and the extent of contamination for determination of fracture severity.
Wound healingWound healing refers to a living organism's replacement of destroyed or damaged tissue by newly produced tissue. In undamaged skin, the epidermis (surface, epithelial layer) and dermis (deeper, connective layer) form a protective barrier against the external environment. When the barrier is broken, a regulated sequence of biochemical events is set into motion to repair the damage.
EscharEschar (; Greek: ἐσχάρᾱ, romanized: eskhara; Latin: eschara; or an eschar) is a slough, or piece of dead tissue that is cast off from the surface of the skin, particularly after a burn injury, but also seen in gangrene, ulcer, fungal infections, necrotizing spider bite wounds, tick bites associated with spotted fevers, and exposure to cutaneous anthrax. The term "eschar" is not interchangeable with "scab."
InjuryInjury is physiological damage to an organism. The response to injury, whether in humans, in other animals, in plants, in fungi, or in single-celled eukaryotes such as choanoflagellates, is substantially shared, implying that the mechanisms are ancient. Injuries can be caused in many ways, including mechanical trauma, toxins, interactions with other organisms, or abiotic factors in the environment.Tscherne classificationThe Tscherne classification is a system of categorization of soft tissueinjuries. ClassificationReliabilityThe intraobserver (observations at two different times by the same person) agreement for Tscherne classification is 85%; while for inter-observer agreement is 65%. HistoryThis classification system was developed by Harald Tscherne and Hans-Jörg Oestern in 1982 at the Hannover Medical School (Hanover, Germany) to classify both open and closed fractures.
SkinSkin is the layer of usually soft, flexible outer tissue covering the body of a vertebrate animal, with three main functions: protection, regulation, and sensation. Other animal coverings, such as the arthropod exoskeleton, have different developmental origin, structure and chemical composition. The adjective cutaneous means "of the skin" (from Latin cutis 'skin').
InfectionInvasion of an organism's body by pathogenic agentsMedical conditionAn infection is the invasion of tissues by pathogens, their multiplication, and the reaction of host tissues to the infectious agent and the toxins they produce. An infectious disease is an illness resulting from an infection, and some infectious diseases are also communicable (transmissible). Infections can be caused by a wide range of pathogens, most prominently bacteria and viruses.
PurpuraPurpura () is a condition of red or purple discolored spots on the skin that do not blanch on applying pressure. The spots are caused by bleeding underneath the skin secondary to platelet disorders, vascular disorders, coagulation disorders, or other causes. They measure 3–10 mm, whereas petechiae measure less than 3 mm, and ecchymoses greater than 1 cm. Purpura is common with typhus and can be present with meningitis caused by meningococci or septicaemia.
DiabetesGroup of endocrine diseases characterized by high blood sugar levelsMedical conditionDiabetes mellitus, commonly known as diabetes, is a group of common endocrine diseases characterized by sustained high blood sugar levels. Diabetes tends to progress in severity, and is due to either a reduced production of the hormone insulin by the pancreas or unresponsiveness of bodily cells to insulin's effects.
Chronic conditionA chronic condition, also known as a chronic disease or chronic illness, is a health condition or disease that is persistent or otherwise long-lasting in its effects. The term chronic is often applied when the course of the disease lasts for more than three months.
Acute (medicine)In medicine, describing a disease as acutedenotes that it is of recent ; it occasionally denotes a short . The quantification of how much time constitutes "short" and "recent" varies by disease and by context, but the core denotation of "acute" is always qualitatively in contrast with "chronic", which denotes long-lasting disease (for example, in acute leukaemia and chronic leukaemia).
Autoimmune diseaseDisorders of adaptive immune systemMedical conditionAn autoimmune disease is a condition causing disease that results from an anomalous response of the adaptive immune system, wherein it mistakenly targets and attacks healthy, functioning parts of the body as if they were foreign organisms. It is estimated that there are more than 80 recognized autoimmune diseases, with recent scientific evidence suggesting the existence of potentially more than 100 distinct conditions.
BruiseA bruise, also known as a contusion, is a type of hematoma of tissue, the most common cause being capillaries damaged by trauma, causing localized bleeding that extravasates into the surrounding interstitial tissues. Most bruises occur close enough to the epidermis such that the bleeding causes a visible discoloration. The bruise then remains visible until the blood is either absorbed by tissues or cleared by immune system action.
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