clinical presentation of brucellosis

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powerpoint presentation clinical presentation of brucellosis m.b. sharapov, doctor of medical sciences cdc tashkent office 2017 pathogenesis brucellae are intracellular parasites, penetrating and reproducing in phagocytic and non-phagocytic cells; thus, in most cases, they remain inaccessible to the immune system and damage virtually all bodily organs and systems. brucellae have relatively low virulence, toxicity, and pyrogenicity, which leads to weak induction of inflammatory cytokines (tnf, inf). they reproduce in the endoplasmic reticulum and induce cell necrosis. about 15–30% of brucellae survive in the cell. moreover, b. melitensis survives longer in the cell than b. abortus. the first causes visceral microabcesses and the second forms granulomas. brucellae accumulate and replicate in the lymph nodes, liver, spleen, mammary glands, joints, etc. cell-mediated immunity plays an important role in the battle against the microbe. an igm titre in the acute phase is usually low over the course of several months. igg remains for …

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ues, and dispersion of specific granulomas. pathogenesis organs rich in reticuloendothelial tissue are the site of brucellosis replication. phagocytosis in neutrophils is incomplete. as a result of incomplete phagocytosis, phagocytes turn into a reservoir and replication site. pathogenesis the process by which the pathogen enters the bloodstream occurs repeatedly, caused by the particulars of the clinical presentation of acute brucellosis. multiple repetitions of brucellemia and toxemia leads to a change in the body’s reactivity and sensibilization, often hypersensibilization akin to a specific allergy. as a result of progressive allergization, there arises a background that gives rise to pathological changes in various tissues and organs due not only to specific agents, but also to non-specific ones. all types of allergic reactions are represented with brucellosis. the disease is characterized by polyallergy. initially the process is caused by infectious factors that eventually give way to autoallergic and paraallergic factors. pappas g et …

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g up to 3 months: a. by completeness of clinical symptoms: - acute septic form; - septic-metastatic form. 3. sub-acute brucellosis lasting from 3 to 6 months. 4. chronic brucellosis lasting from 6 months to 2 years. 5. primary chronic brucellosis. 6. residual brucellosis (clinical presentation of sequelae of brucellosis history). by site of foci of infection in sub-acute and chronic brucellosis: - osteoarticular form neural form urogenital form visceral form combined form (combined damage to organs). depending on the degree of incapacitation, subacute and chronic brucellosis are divided into: - compensation phase (corresponds to the remission period without clinical signs of the disease); subcompensation phase (clinical presentation leading to reduced capacity); decompensation phase (most pronounced clinical presentation leading to incapacitation). clinical criteria 1. general infection syndrome: - relatively long satisfactorily tolerated fever; - chills of varying severity; - increased sweating; - overall weakness and malaise. 2. symptoms of focal …

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, meningitis, radiculitis, etc.). in acute brucellosis, titres of serological reactions are high, as a rule (wright reaction 1:200 and higher, heddleson reaction strong +) and bacteriological testing methods are positive sub-acute brucellosis: illness lasting from 3 to 6 months. the following are characteristic of the aggravation and relapse period: - presence of the septic component; - appearance of focal damage to organs and systems; - elevation of serological reaction titres (wright reaction 1:200 and higher, heddleson reaction strong +) chronic brucellosis: illness lasting more than 6 months. the following are characteristic of the aggravation and relapse period: marked focal damage to organs and systems by preferential site, which are identified by their clinical forms, without the septic component; - elevated serological reaction titres (wright reaction 1:100 and higher, heddleson reaction +). subacute and chronic brucellosis with super-infection: - epidemiological data on the presence of repeat infection - appearance of …

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f brucellosis (per data of various authors) franco mp et al.// lancet id, 2007, pp. 775–783 mohsenpour b et al. // ajid, 2011, 7, (2): 28–31 laboratory tests were performed for 122 patients with suspected brucellosis. in 27 of them, brucellosis was not confirmed. when analyzing the course of the disease, no variations were detected in the clinical presentations of patients with and without brucellosis. fever during acute brucellosis arthritis of the right elbow joint, same patient son of patient a, secondary-chronic form of brucellosis arthritis of the left knee joint, same patient arthritis of the interphalangeal joint, same patient same patient inflammation of the sternoclavicular joint from both sides inflammation of the sternoclavicular joint from both sides cellulitis in patient with secondary-chronic form of brucellosis cellulitis primary-chronic form of brucellosis, arthritis of the right knee joint click to edit master text styles second level third level fourth level fifth …

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powerpoint presentation clinical presentation of brucellosis m.b. sharapov, doctor of medical sciences cdc tashkent office 2017 pathogenesis brucellae are intracellular parasites, penetrating and reproducing in phagocytic and non-phagocytic cells; thus, in most cases, they remain inaccessible to the immune system and damage virtually all bodily organs and systems. brucellae have relatively low virulence, toxicity, and pyrogenicity, which leads to weak induction of inflammatory cytokines (tnf, inf). they reproduce in the endoplasmic reticulum and induce cell necrosis. about 15–30% of brucellae survive in the cell. moreover, b. melitensis survives longer in the cell than b. abortus. the first causes visceral microabcesses and the second forms granulomas. brucellae accumulate and replicate in...

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