Presentation
Aim: To present the features and management of Pyogenic myositis in children. Method: Two boys of four and six years old presented to our hospital within 6 months. [online.boneandjoint.org.uk]
A rationalisation of the 1350 boxes used throughout the book gives a simpler and clearer presentation of the various categories. [books.google.com]
Muscle edema, characterized by high T2 signal is typically present. Abscesses appear, as elsewhere, as fluid collection (high T2, low T1) with peripheral contrast enhancement. There may also be diffuse muscle enlargement. [radiopaedia.org]
Therapy is based on the clinical presentation and the underlying pathogen. [scinapse.io]
Aeromonas hydrophila is present in wound drainage and surgical excised tissue and is frequently present in blood cultures obtained on presentation. [infectiousdiseaseadvisor.com]
Urogenital
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Chancroid
[…] mirabilis/Proteus vulgaris Yersinia pestis Plague/Bubonic plague Yersinia enterocolitica Yersiniosis Yersinia pseudotuberculosis Far East scarlet-like fever Pasteurellales Haemophilus: H. influenzae Haemophilus meningitis Brazilian purpuric fever H. ducreyi Chancroid [en.wikipedia.org]
Workup
After all the initial workups and serology were negative, imaging was considered. [mdpi.com]
Reports indicated that immunocompromised patients should be treated by broad-spectrum antibiotics, for targeting a wide-range of gram-negative and anaerobic pathogens [29] However, Immune workup was not studied in our patient, due to the lack of evidence [medcraveonline.com]
The inherited disorders are rare and should be considered only if the inpatient workup does not reveal an obvious cause or if the pattern of illness is highly suggestive of an inherited disorder. [clinicaladvisor.com]
the positive predictive value of typical viral symptoms (as demonstrated in all of our cases) during an influenza epidemic is about 80%. [27] Muscle biopsy is not routinely recommended in the workup of viral myositis as a negative muscle biopsy does [ruralneuropractice.com]
Microbiology
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Streptococcus Bovis
Necrotizing fasciitis and acute bacterial myositis. 61 James DS...Hulewicz B 1585883 1992 23 Differential diagnosis of bacterial myositis in AIDS: evaluation with MR imaging. 61 Fleckenstein JL...Bonte FJ 2027969 1991 24 Streptococcus bovis infections [malacards.org]
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Coxiella Burnetii
burnetii Q fever Thiotrichales Francisella tularensis Tularemia Vibrionaceae Vibrio cholerae Cholera Vibrio vulnificus Vibrio parahaemolyticus Vibrio alginolyticus Plesiomonas shigelloides Pseudomonadales Pseudomonas aeruginosa Pseudomonas infection [en.wikipedia.org]
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Rickettsia Rickettsii
rickettsii Rocky Mountain spotted fever Rickettsia conorii Boutonneuse fever Rickettsia japonica Japanese spotted fever Rickettsia sibirica North Asian tick typhus Rickettsia australis Queensland tick typhus Rickettsia honei Flinders Island spotted fever [en.wikipedia.org]
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Rickettsia Akari
akari Rickettsialpox Orientia tsutsugamushi Scrub typhus Flea-borne Rickettsia felis Flea-borne spotted fever Anaplasmataceae Ehrlichiosis: Anaplasma phagocytophilum Human granulocytic anaplasmosis, Anaplasmosis Ehrlichia chaffeensis Human monocytotropic [en.wikipedia.org]
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Bartonella Quintana
quintana Trench fever Either B. henselae or B. quintana Bacillary angiomatosis Bartonella bacilliformis Carrion's disease, Verruga peruana β Neisseriales M Neisseria meningitidis/meningococcus Meningococcal disease, Waterhouse–Friderichsen syndrome, [en.wikipedia.org]
Treatment
In polymicrobial infections, the treatment becomes even more difficult as different microorganisms have such diverse structures that need specific treatment. [microbewiki.kenyon.edu]
The bacterial myositides include: acute suppurative (tropical) myositis: may result from a Staphylococcal infection of a crush injury commoner in tropical climates treatment is by surgical drainage and high dose antibiotics Clostridial myositis: Clostridium [gpnotebook.com]
Some of the familiar, of many, infections which have been connected with causing Myositis are: Staphylococcus aureus (MRSA) Spirochete (Lyme disease) Treatment Treatment of Infectious, Viral, Bacterial, and Fungal Myositis is often dependent upon the [understandingmyositis.org]
Results: Both children settled with antibiotic treatment alone. The bacterial strain in the second case was of a type requiring combination antibiotic therapy for effective treatment. [online.boneandjoint.org.uk]
Prognosis
Treatment and prognosis Depending on the infective agent systemic antibiotics are administered. If an abscess has formed, then it should usually be drained either surgically or percutaneously. [radiopaedia.org]
In most cases, the prognosis following satisfactory drainage is excellent, with little long-term morbidity. [infectiousdiseaseadvisor.com]
If a person with dermatomyositis develops cancer, the prognosis may be worse. Medications taken to treat these muscle diseases may cause complications that affect prognosis. [drugs.com]
Concurrent neutropenia, regardless of cause, predisposes to C. septicum bacteremia, which results in a poor prognosis; the prognosis is worse if intravascular hemolysis occurs. [merckmanuals.com]
Etiology
Bacterial etiologies did not differ significantly between cases of myositis or pyomyositis. [mdedge.com]
The diagnosis of myositis is suggested by the clinical picture and radiologic imaging, and the etiologic agent is confirmed by microbiologic or serologic testing. Therapy is based on the clinical presentation and the underlying pathogen. [scinapse.io]
Etiology: • Direct or indirect trauma • Intramuscular injections of infected or necrotizing materials • Part of syndrome in specific diseases including blackleg, foot-and-mouth disease,ephemeral fever • The exact cause of EM is unknown • May be Sarcocystis [veterpedia.net]
Conclusions Acute symmetrical proximal muscle weakness has varied etiologies. [mdpi.com]
Table 3 Hospital course and outcome of children with pyomyositis and myositis caused by all etiologies. Table 3 Hospital course and outcome of children with pyomyositis and myositis caused by all etiologies. [academic.oup.com]
Epidemiology
It also addresses the importance of preventing and controlling infectious disease outbreaks with coverage of epidemiology, biosecurity, antimicrobial therapy, and recognizing foreign equine diseases. [books.google.com]
Myositis in Cattle Definition and Epidemiology: An inflammatory condition grossly characterized by focal, green, muscular lesions in clinically healthy cattle. The most affected tissues are striated skeletal muscle, esophagus and heart. [veterpedia.net]
Theodorou DJ, Theodorou SJ, Kakitsubata Y, Sartoris D, Resnick D (2001) Imaging characteristics and epidemiologic features of atypical mycobacterial infections involving the musculoskeletal system. [link.springer.com]
Antibiotics are given for a minimum of three weeks to clear the infection.[1] Epidemiology[edit] Pyomyositis is most often caused by the bacterium Staphylococcus aureus.[2] The infection can affect any skeletal muscle, but most often infects the large [en.wikipedia.org]
Endomysium - histological slide Epidemiology The condition affects people with African or Caribbean ancestry at almost double the rate that it affects Caucasians. [kenhub.com]
Pathophysiology
Pathophysiology On muscle biopsy, the muscle cells show small rimmed vacuoles, and no evidence of inflammation. This separates it from the inflammatory myopathies such as polymyositis and dermatomyositis. [kenhub.com]
Back to Top Pathophysiology Disruption of the structural integrity and metabolic processes of muscle cells can result from genetic abnormalities, toxins, inflammation, infection, and hormonal and electrolyte imbalances. [clevelandclinicmeded.com]
The spectrum of acute myopathy includes various etiologies with different pathophysiology. [annalsofian.org]
Prevention
Ideal for both practitioners and students, this comprehensive resource covers the diagnosis, treatment, and prevention of infectious disease in horses. [books.google.com]
• Prevention and Control is by: o Vaccination of animals with multivalent clostridial vaccine in areas known to have outbreaks of clostridial diseases. o Preventing the occurrence of sarcocystosis in cattle may also help. [veterpedia.net]
Courtesy of Centers for Disease Control and Prevention. American trypanosomiasis: The causative organism is a protozoan, Trypanosoma cruzi. [emedicine.medscape.com]
Infectious myositis can result from surgeries in which incisions allow microbes in, wounds that are contaminated, injectable drug needles that are unsterilized, undercooked foods, among other reasons, making it difficult to detect and prevent at first [microbewiki.kenyon.edu]