Tuberculous pyomyositis presenting as septic arthritis and multiple site pyomyositis.

Primary tropical pyomyositis, commonly caused by Staphylococcus aureus, is characterised by suppuration in skeletal muscles, which manifests as single or multiple abscesses. Another rare causative organism is Mycobacterium tuberculosis in endemic areas. Here, we report a case of primary tuberculous pyomyositis presenting as septic arthritis of the right knee and multiple site pyomyositis of the right thigh and chest wall. A tuberculous aetiology was overlooked at first, which resulted in a diagnostic delay. The patient was initially diagnosed, using ultrasonography, MRI and an absence of systemic symptoms of tuberculosis, with bacterial pyomyositis and treated with broad-spectrum antibiotics. However, further investigations performed on knee joint aspirate yielded negative cultures and a positive cartridge-based nucleic acid amplification test, which, along with a non-resolution of his symptoms, suggested a primary tuberculous pyomyositis. He was successfully managed with incision and drainage of the lesions and completion of anti-tubercular therapy.

Isolated left sternocleidomastoid pyomyositis: a rare presentation of cervical sepsis.

An elderly gentleman self-presented to A+E with a 7-day history of significant and progressive left-sided neck pain, swelling and fevers, despite oral antibiotics from his general practitioner. Examination revealed a large left-sided neck mass involving levels 2-5 of the neck that was firm to palpate, with erythematous overlying skin.An urgent CT scan demonstrated a large collection throughout the length of the left sternocleidomastoid muscle (SCM), measuring 13×5.5×4 cm, with extensive adjacent inflammatory change. He was subsequently taken to theatre for washout and debridement, during which the collection was found to be loculated and isolated to the SCM, with surrounding structures spared.Postoperatively, he was managed with intravenous fluids and a total of 2 weeks of intravenous antibiotics. The wound partially dehisced during healing and the cavity was packed with flaminal and regularly dressed with input from the tissue viability team. This was then left to heal by secondary intention and the patient was followed up in clinic over the following weeks to ensure resolution.

Pyomyositis in the sternocleidomastoid muscle in a previously healthy 36-year-old woman.

Pyomyositis is a bacterial infection of striated muscle, usually located to muscles in the extremities or pelvis. We present a microbiologically unique case report of pyomyositis in the sternocleidomastoid muscle (the first of its kind in Denmark) caused by Staphylococcus epidermidis, S. capitis and possibly Streptococcus pneumoniae. Pyomyositis is very rare but can lead to critical complications such as endocarditis and sepsis. It is therefore important to know the condition when evaluating an infected patient with muscle pain. Treatment consists of antibiotics and - if relevant - surgical abscess drainage.

Diabetic myonecrosis complicated by emphysematous pyomyositis and abscess caused by Escherichia coli: a case report.

BACKGROUND: Necrotizing myopathies and muscle necrosis can be caused by immune-mediated mechanisms, drugs, ischemia, and infections, and differential diagnosis may be challenging. CASE PRESENTATION: We describe a case of diabetic myonecrosis complicated by pyomyositis and abscess caused by Escherichia coli. A white woman in her late forties was admitted to the hospital with a 1.5 week history of bilateral swelling, weakness, and mild pain of the lower extremities and inability to walk. She had a history of type 1 diabetes complicated by diabetic retinopathy, neuropathy, nephropathy, and end-stage renal disease. C-reactive protein was 203 mg/l, while creatinine kinase was only mildly elevated to 700 IU/l. Magnetic resonance imaging of her lower limb muscles showed extensive edema, and muscle biopsy was suggestive of necrotizing myopathy with mild inflammation. No myositis-associated or myositis-specific antibodies were detected. Initially, she was suspected to have seronegative immune-mediated necrotizing myopathy, but later her condition was considered to be explained better by diabetic myonecrosis with multifocal involvement. Her symptoms alleviated without any immunosuppressive treatment. After a month, she developed new-onset and more severe symptoms in her right posterior thigh. She was diagnosed with emphysematous urinary tract infection and emphysematous myositis and abscess of the right hamstring muscle. Bacterial cultures of drained pus from abscess and urine were positive for Escherichia coli. In addition to abscess drainage, she received two 3-4-week courses of intravenous antibiotics. In the discussion, we compare the symptoms and findings typically found in pyomyositis, immune-mediated necrotizing myopathy, and diabetic myonecrosis (spontaneous ischemic necrosis of skeletal muscle among people with diabetes). All of these diseases may cause muscle weakness and pain, muscle edema in imaging, and muscle necrosis. However, many differences exist in their clinical presentation, imaging, histology, and extramuscular symptoms, which can be useful in determining diagnosis. As pyomyositis often occurs in muscles with pre-existing pathologies, the ischemic muscle has likely served as a favorable breeding ground for the E. coli in our case. CONCLUSIONS: Identifying the etiology of necrotizing myopathy is a diagnostic challenge and often requires a multidisciplinary assessment of internists, pathologists, and radiologists. Moreover, the presence of two rare conditions concomitantly is possible in cases with atypical features.

Clinical Characteristics and Management of Children and Adolescents Hospitalized With Pyomyositis.

BACKGROUND: Pyomyositis, a bacterial muscle infection, is an important differential diagnosis in children and adolescents with musculoskeletal pain. In contrast to tropical regions, it is rarely recognized in temperate countries, but incidence is increasing and major studies are missing. METHODS: This retrospective multicenter study included patients <18 years of age hospitalized with pyomyositis in 11 Swiss children's hospitals between January 2010 and December 2022. Cases were identified by ICD-10 code (Myositis; M60-M60.9), and data was extracted from electronic hospital records. RESULTS: Of 331 patients identified, 102 fulfilled the case definition. Patient age at presentation ranged from 2 weeks to 17 years (median 8 years). The majority had no underlying illness and all presented with fever and localized pain. At the respective site of pyomyositis, 100 (98%) had impaired movement and 39 (38%) presented with local swelling. Pelvic (57%) and leg (28%) muscles were mostly affected. Blood or tissue cultures were obtained in 94 (92%) and 59 (57%) patients, respectively. Of those, 55 (58%) blood and 52 (88%) tissue cultures were positive, mainly for Staphylococcus aureus (35 and 19, respectively) and Streptococcus pyogene s (12 and 15, respectively). All patients received antibiotic treatment during hospitalization for a median of 10 days (interquartile range: 7-17), followed by outpatient treatment for a further median of 16 days (interquartile range: 11-22) in 95 (93%) patients. Fifty-nine (57%) patients required surgery. CONCLUSIONS: Pyomyositis is a challenging diagnosis that requires a high level of awareness. Blood and/or tissue cultures revealed S. aureus and S. pyogenes as the predominant causative agents.

Nocardia brasiliensis Pyomyositis in an Immunocompetent Patient Following Gardening Activity.

Nocardia pyomyositis in immunocompetent patients is a rare occurrence. The diagnosis may be missed or delayed with the risk of progressive infection and suboptimal or inappropriate treatment. We present the case of a 48-year-old immunocompetent firefighter diagnosed with pyomyositis caused by Nocardia brasiliensis acquired by direct skin inoculation from gardening activity. The patient developed a painful swelling on his right forearm that rapidly progressed proximally and deeper into the underlying muscle layer. Ultrasound imaging of his right forearm showed a 7-mm subcutaneous fluid collection with surrounding edema. Microbiologic analysis of the draining pus was confirmed to be N brasiliensis by Matrix-Assisted Laser Desorption/Ionization Time-of-Flight (MALDI-TOF) Mass Spectrometry. After incision and drainage deep to the muscle layer to evacuate the abscess and a few ineffective antibiotic options, the patient was treated with intravenous ceftriaxone and oral linezolid for 6 weeks. He was then de-escalated to oral moxifloxacin for an additional 4 months to complete a total antibiotic treatment duration of 6 months. The wound healed satisfactorily and was completely closed by the fourth month of antibiotic therapy. Six months after discontinuation of antibiotics, the patient continued to do well with complete resolution of the infection. In this article, we discussed the risk factors for Nocardia in immunocompetent settings, the occupational risks for Nocardia in our index patient, and the challenges encountered with diagnosis and treatment. Nocardia should be included in the differential diagnosis of cutaneous infections, particularly if there is no improvement of "cellulitis" with traditional antimicrobial regimens and the infection extends into the deeper muscle tissues.

Piomiositis por Streptococcus pyogenes en un paciente con malformación venolinfática. A propósito de un caso en pediatría / Pyomyositis due to Streptococcus pyogenes in a patient with venolymphatic malformation. Report of one pediatric case

Las infecciones por Streptococcus pyogenes son frecuentes en la población pediátrica en forma de faringoamigdalitis o cuadros cutáneos. Con menor frecuencia, se presenta con formas invasivas, tales como piomiositis o fascitis necrotizante. La mortalidad en niños reportada en estas últimas es de un 7,69 %. Se presenta a una paciente de 11 años con malformación venolinfática subescapular que consultó por síndrome febril asociado a dolor y aumento agudo del tamaño de la lesión. Durante la internación, se arribó al diagnóstico de piomiositis por Streptococcus pyogenes

Streptococcus pyogenes infections are common in the pediatric population in the form of tonsillopharyngitis or cutaneous disease. Less frequently, it presents with invasive forms such as pyomyositis or necrotizing fasciitis. Mortality in children is of 7 %. We present an 11-year-old patient with a subscapular venolymphatic malformation who consulted for febrile syndrome associated with pain and an acute increase in the size of the lesion. During the hospitalization, diagnosis of pyomyositis due to Streptococcus pyogenes was reached.

Piomiositis en niños: experiencia en un hospital pediátrico de referencia en Argentina / Pediatric pyomyositis: experience in a Pediatric Reference Center in Argentina

Resumen Introducción: La piomiositis es la infección del músculo esquelético, entidad poco frecuente en pediatría. Objetivo: Describir las características de 21 niños con piomiositis. Métodos: Estudio prospectivo-analítico de niños ingresados con diagnóstico de piomiositis entre mayo de 2016 y abril de 2017 en el Hospital de Niños Ricardo Gutiérrez, Buenos Aires, Argentina. Resultados: Tasa de hospitalización de 21,5/10.000 admisiones (IC 95% 4,65- 71,43). La mediana de edad fue de 5,4 años (rango 1,25-11,6). El 90,4% presentaba algún factor predisponente. La localización más frecuente fue en miembros inferiores. La proteína C reactiva (PCR) estuvo elevada en todos los pacientes, con una media de 124 mg/L (DS 96), siendo significativamente más elevada en los pacientes que tuvieron hemocultivos positivos 206 (DS 101) vs 98 (DS 81), (p = 0,02). Se obtuvo rescate microbiológico en 17 pacientes (80,9%): Staphylococcus aureus resistente a meticilina (SARM) (n: 15) y Streptococcus pyogenes (n: 2). Se presentó con bacteriemia 23,8% de los pacientes. El 81% requirió drenaje quirúrgico. Conclusión: Staphylococcus aureus RM adquirido en la comunidad (SARMAC) es el patógeno predominante. En la selección del tratamiento empírico adecuado debería tenerse en cuenta: el patrón de resistencia local y el valor de PCR.

Background: Pyomyositis is the infection of skeletal muscle, a rare pathology in children. Aim To describe the characteristics of pyomyositis in pediatric patients. Methods: Prospective analytical study of hospitalized children diagnosed with pyomyositis from May 2016 to April 2017 at the Ricardo Gutiérrez Children's Hospital, Buenos Aires, Argentina. Results: Twenty-one patients with pyomyositis were identified. Annual rate: 21.5/10,000 admissions (95% CI 4.65-71.43). The median age was 5.4 years (range 1.25-11.6). The lower limbs were the most affected site. C-reactive protein (CRP) was elevated in all patients, with a mean of 124 mg/L (SD 96), being significantly higher in patients with bacteremia: 206 (DS 101) vs 98 (DS 81), p = 0.02. Bacterial cultures were positive in 17/21 (80.9%): 15 methicillin-resistant Staphylococcus aureus (MRSA), and 2 Streptococcus pyogenes. Blood cultures were positive in 5 (23.8%). Conclusion: MRSA-community acquired is the predominant pathogen in our setting. In the selection of the appropriate empirical treatment, the local resistance pattern and the CRP value should be taken into account.

Piomiositis tropical por escherichia coli en paciente con diabetes mellitus: caso atípico, aspectos clínicos y radiológicos / Tropical piomiositis by escherichia coli in patient with diabetes mellitus: atipic case, clinical and radiological aspects

Antecedentes: Piomiositis es la infección purulenta del músculo esquelético que ocurre por diseminación hematógena, con formación de abscesos, el agente etiológico principal es E. aureus (90%) seguido por Estreptococo beta hemolítico grupo A y bacilos entéricos gram negativos (Ej. E. coli). Es frecuente en pacientes inmunocomprometidos por malignidades hematológicas, relacionadas o no con quimioterapia previa y SIDA. Caso clínico: Masculino de 52 años hospitalizado en el Instituto Hondureño de Seguridad Social, Tegucigalpa, Honduras, síntoma principal dolor opresivo en pelvis de 3 semanas de evolución, con irradiación a cara anterior de muslo derecho, con cambios inlamatorios a este nivel, una semana después dolor y cambios inlamatorios en pierna izquierda. Discusión: En comparación con las personas sanas, los pacientes con condiciones médicas subyacentes tienen mayores tasas de infección por bacterias gram negativas, enfermedad multifocal y mayor mortalidad. El estado de inmunosupresión es un factor predisponente importante en la patogénesis...(AU)

Piomiosite no lúpus eritematoso sistêmico juvenil / Pyomyositis in childhood-systemic lupus erythematosus

Resumo A piomiosite é uma infecção piogênica da musculatura esquelética, decorrente da disseminação hematogênica e geralmente acompanhada de formação de abscesso localizado. Esta infecção da musculatura é raramente descrita em adultos com lúpus eritematoso sistêmico (LES) e, até onde se sabe, ainda não o foi em pacientes com LES juvenil (LESJ). De nossos 289 pacientes com LESJ, uma apresentou piomiosite. Diagnosticada com LESJ aos 10 anos de idade e após seis anos de tratamento com prednisona, azatioprina e hidroxicloroquina, a paciente foi hospitalizada em razão de um histórico de 30 dias de dor insidiosa na coxa esquerda, sem relato algum de trauma aparente ou febre. O exame físico mostrou músculos sensíveis e com endurecimento lenhoso. Os exames laboratoriais revelaram anemia, aumento de reagentes de fase aguda e enzimas musculares normais. A tomografia computadorizada da coxa esquerda mostrou coleção no terço médio do vasto intermédio, sugerindo estágio purulento de piomiosite. Iniciou-se tratamento com antibiótico de largo espectro, que levou à resolução clínica completa. Em suma, descreveu-se o primeiro caso de piomiosite em pacientes com LESJ encontrado neste serviço. Este relato reforça que a presença de dor muscular localizada em pacientes imunocomprometidos, ainda que sem aumento de enzimas musculares, deve sugerir o diagnóstico de piomiosite. Recomenda-se tratamento imediato com antibióticos.

Abstract Pyomyositis is a pyogenic infection of skeletal muscle that arises from hematogenous spread and usually presents with localized abscess. This muscle infection has been rarely reported in adult-onset systemic lupus erythematous and, to the best of our knowledge, has not been diagnosed in pediatric lupus population. Among our childhood-onset systemic lupus erythematous population, including 289 patients, one presented pyomyositis. This patient was diagnosed with childhood-onset systemic lupus erythematous at the age of 10 years-old. After six years, while being treated with prednisone, azathioprine and hydroxychloroquine, she was hospitalized due to a 30-day history of insidious pain in the left thigh and no apparent trauma or fever were reported. Her physical examination showed muscle tenderness and woody induration. Laboratory tests revealed anemia, increased acute phase reactants and normal muscle enzymes. Computer tomography of the left thigh showed collection on the middle third of the vastus intermedius, suggesting purulent stage of pyomyositis. Treatment with broad-spectrum antibiotic was initiated, leading to a complete clinical resolution. In conclusion, we described the first case of pyomyositis during childhood in pediatric lupus population. This report reinforces that the presence of localized muscle pain in immunocompromised patients, even without elevation of muscle enzymes, should raise the suspicion of pyomyositis. A prompt antibiotic therapy is strongly recommended.

Piomiositis tropical vs. leptospirosis / Tropical pyomyositis vs. leptospirosis

La piomiositis es una infección bacteriana aguda o subaguda del músculo esquelético, caracterizada por la formación intramuscular de uno o más abscesos. Presentamos un paciente con cuadro clínico sospechoso de Leptospirosis y que en el transcurso de su ingreso se le diagnostica la piomiositis tropical. Se describe la evolución del paciente, los estudios realizados y el tratamiento indicado por los especialistas.

Pyomyositis is an acute bacterial infection or subacute skeletal muscle characterized by intramuscular formation of one or more abscess. A patient with leptospirosis-suspected clinical condition is presented here. During the course of his hospitalization, he is diagnosed with tropical pyomyositis. Patient outcomes, studies and treatment prescribed by specialists are described.

Primary pyomyositis and disseminated septic pulmonary emboli: a reactivated staphylococcal infection?

Staphylococcal pyomyositis is a severe invasive soft tissue infection with high mortality rate that is increasingly being recognized even in temperate climates. In most cases predisposing factors are identified that include either source of skin penetration or/and impaired host immunocompetence. A case of primary, community-acquired pyomyositis of the left iliopsoas muscle in a 59-year-old immunecompetent woman, which was complicated with septic pulmonary emboli within 24 h after hospital admission, is presented. The patient was subjected to abscess drainage under computed tomography guidance. Both pus aspiration and blood cultures revealed methicillin-susceptible Staphylococcus aureus. Given the absolute absence of predisposing factors and a remote history of staphylococcal osteomyelitis in the same anatomical region 53 years ago, reactivation of a staphylococcal soft tissue infection was postulated. Systematic review of the literature revealed a few interesting cases of reactivated staphylococcal infection after decades of latency, although the exact pathophysiological mechanisms still need to be elucidated.

Piomiositis en niños: Reporte de 2 casos / Pyomyositis in children: Report of two cases

Pyomyositis (PM) is an uncommon pyogenic infection of skeletal muscle and, when not properly treated, it can progress to a high-risk clinical situation with high mortality. Because it usually has a subacute presentation, diagnosis is often delayed. We present two cases of PM of the paraspinal muscles in healthy children and discuss the current state of knowledge of this disease.

La piomiositis (PM) es una infección piógena infrecuente del músculo estriado y, cuando no es tratada adecuadamente, puede evolucionar hasta una situación clínica de alto riesgo vital. Debido a su presentación usualmente subaguda, el diagnóstico es a menudo tardío. Presentamos dos casos clínicos de PM de la musculatura paraespinal en escolares sanos y se describe el estado actual del conocimiento de esta enfermedad.

Abscesos profundos por Staphylococcus aureus meticilino resistente adquirido en la comunidad. Reporte de cuatro casos clínicos / Deep abscess methicillin resistant staphylococcus aureus community-acquired. Report of four cases

El Staphylococcus aureus meticilino resistente adquirido en la comunidad (SAMR-AC) emergió en Uruguay en el año 2001 y desde ese momento se ha establecido como agente de múltiples enfermedades infecciosas de la infancia. Algunas formas clínicas de presentación más frecuentes, como las infecciones superficiales, no ofrecen habitualmente dificultades diagnósticas. Otras menos frecuentes, como los abscesos de localización profunda, son formas menos conocidas donde el diagnóstico no es sencillo y existe riesgo de tratamiento tardío lo cual contribuye a una mayor carga de morbimortalidad por este agente. En este trabajo se comunican cuatro casos clínicos de abscesos profundos por SAMR-AC, en pacientes hospitalizados en los años 2009- 2011 en el Hospital Pediátrico del Centro Hospitalario Pereira Rossell. Se presentan tres casos de abscesos musculares, dos de ellos retroperitoneales, y un caso de abscesos hepáticos, forma de presentación infrecuente pero típica de este agente. Se destacan en esta serie las dificultades para el diagnóstico temprano por lo inespecífico de la presentación clínica, el apoyo fundamental de la imagenología en la confirmación diagnóstica, la necesidad de tratamiento antimicrobiano prolongado y del drenaje adecuado del material colectado importante en la identificación microbiológica del agente implicado...

Piomiosite tropical: correlação anatomoclínica: relato de caso / Tropical pyomyositis: an anatomoclinical correlation: case report

JUSTIFICATIVA E OBJETIVOS: A piomiosite tropical é uma infecção bacteriana, supurativa, típica de países tropicais que acomete um ou mais grupos musculares ricamente vascularizados, ocorrendo principalmente em indivíduos com comprometimento imunológico. Os objetivos deste estudo foram correlacionar os achados anatomopatológicos de um paciente submetido à necropsia com alterações encontradas na síndrome metabólica e insuficiência cardíaca por cardiomiopatia hipertrófica, e discutir os aspectos histopatológicos significativos.RELATO DO CASO: Paciente do sexo masculino, 50 anos, hipertenso,diabético, cardiopata, desenvolveu mialgia em região cervical direita associada à febre, hemoptise e dispneia. A necropsia evidenciou miosite purulenta associada a cocos Gram-positivos,corroborando o diagnóstico de piomiosite tropical. CONCLUSÃO: Assim, é importante atentar para quadros de dor e rigidez muscular, acompanhados de febre em pacientes com comorbidades que levem à imunossupressão. O diagnóstico precoce da piomiosite tropical é fundamental para a instituição do tratamento adequado e o controle das complicações.

BACKGROUND AND OBJECTIVES: Tropical pyomiositis is a suppurative bacterial infection, which is typical of tropical countries and affects one or more richly vascularized muscle groups, occurring mainly in immunocompromised individuals. In this article, we make an anatomoclinical correlation of a necropsied patient with alterations seen in metabolic syndrome and heart failure due to hypertrophic cardiomyopathy, showing the importance of these two entities in the predisposition of the muscle infectious process. A histopathological aspect is discussed, which has relation with tropical pyomyositis.CASE REPORT: Male, 50 year-old, hypertensive, diabetic and cardiac patient who developed myalgia in the right cervical region associated with fever, dyspnea and hemoptysis. The autopsy showed purulent myositis, and Gram stain showed Gram-positive cocci, suggesting the diagnosis of tropical pyomyositis.CONCLUSION: It is important to pay attention to pictures of muscular pain and stiffness, accompanied by fever in patients with comorbidities that lead to immunosuppression. Early diagnosis of tropical pyomyositis is essential for appropriate treatment and control of complications.

Piomiositis en un paciente inmunocompetente / Pyomyositis in an immunocompetent patient

We report a case of pyomyositis in a 59 year-old immunocompetent male patient caused by methicillin-susceptible Staphylococcus aureus. A CT scan of the chest demonstrated a lesion of the pectoral muscles. The patient was treated with surgical drainage and cephalexin. Pyomyositis is a rare and potentially serious infection that requires early recognition and prompt treatment.

Se presenta un caso de piomiositis en un varón de 59 años, inmunocompetente, producida por Staphylococcus aureus sensible a meticilina, afectando los músculos pectorales del hemitórax derecho. Fue tratado con drenaje quirúrgico y cefalexina. La piomiositis es una infección infrecuente y potencialmente seria que requiere de un reconocimiento temprano y tratamiento oportuno.

Presentación atípica de piomiositis tropical difusa de psoas por Staphylococcus aureus meticilino resistente / Atypical presentation of diffuse tropical pyomiositis of the psoas due to methicillin resistant Staphylococcus aureus

La piomiositis tropical difusa primaria es una enfermedad de presentación infrecuente en nuestro medio, con pocos casos asociados a Staphylococcus aureus meticilino resistente, adquirido en la comunidad (MRSA-AC). Se presenta el caso de un paciente de 70 años, con tratamiento irregular para diabetes mellitus tipo 2, que fue hospitalizado por presentar un cuadro de diez días de evolución, con dolor lumbar irradiado a miembro inferior izquierdo, fiebre y flexión forzada de la cadera derecha por dolor a la movilización. El diagnóstico de piomiositis difusa de ambos psoas se realizó con resonancia magnética. Del cultivo de una colección paravertebral posterior se aisló Staphylococcus aureus resistente a oxacilina, penicilina y dicloxacilina.

Diffuse tropical primary pyomyositis is an infrequent entity in our country, with few cases associated to communityacquired Methicillin- resistant Staphylococcus aureus. There are no reported cases of Community-Acquired Methicillin- Resistant Staphylococcus aureus (CA- MRSA) in Peru. We present the case of a 70 year old male with a previous diagnosis of type 2 diabetes mellitus, receiving irregular treatment, who was admitted to the hospital with a history of 10 days of low back pain radiating to the left leg, fever and forced flexion of the right hip due to pain during movement. The diagnosis of diffuse pyomyositis of both psoas muscles was performed with MRI and culture of a posterior paravertebral collection, from which Staphylococcus aureus resistant to oxacillin, penicillin and dicloxacillin was isolated.

Drenagem aberta versus drenagem percutânea no tratamento da piomiosite tropical: estudo prospectivo e randomizado / Open drainage versus percutaneous drainage in the treatment of tropical pyomyositis: prospective and randomized study

OBJETIVO: Comparar, através de estudo prospectivo e randomizado, os resultados do tratamento da piomiosite tropical (PT) através da drenagem percutânea dos abscessos aos da drenagem cirúrgica aberta dos mesmos. MÉTODOS: Foram incluídos neste estudo 25 pacientes com PT, grau II de Chiedozi. Os pacientes foram randomizados em dois grupos: grupo A (n = 13), tratados com antibioticoterapia e drenagem aberta dos abscessos e grupo B (n = 12), tratados com antibioticoterapia e drenagem percutânea dos mesmos. RESULTADOS: A idade média no grupo A foi de 35,3 ± 19,2 anos e, no grupo B, de 30,1 ± 9 anos (p = 0,41). No grupo A, oito pacientes (61,5 por cento) eram do sexo feminino e cinco do masculino (38,5 por cento); no grupo B, três eram do sexo feminino (25 por cento) e nove do masculino (75 por cento) (p = 0,11). O Staphylococcus aureus foi o microorganismo mais frequentemente encontrado (72 por cento). O tempo médio de internação no grupo A foi de 12,7 ± 2,1 dias e, no grupo B, de 10,6 ± 1,6 dias (p = 0,01). O tempo médio de antibiótico no grupo A foi de 12,2 ± 2,3 dias e, no grupo B, de 10,1 ± 1,5 dias (p = 0,02). CONCLUSÃO: A drenagem percutânea dos abscessos associada à antibioticoterapia constituiu-se em método eficaz para o tratamento da piomiosite tropical grau II, diminuindo o tempo de antibioticoterapia e de internação hospitalar dos pacientes.

OBJECTIVE: To compare, by means of a prospective and randomized study, the treatment outcomes of Tropical Pyomyositis (TP) through open drainage of abscesses versus percutaneous surgical drainage. METHODS: 25 patients with TP (Chiedozi stage II) were randomized into two groups: Group A (n=13), treated with antibiotics and open drainage of the abscesses, and Group B (n=12), treated with antibiotics and percutaneous drainage. RESULTS: The mean age was 35.3 years (±19.2) in Group A and 30.1 years in Group B (±9) (p=0.41).There were eight female (61.5 percent) and five male (38.5 percent) patients in Group A; in Group B three were female (25 percent) and nine (75 percent) male (p=0.11). Staphylococcus aureus was the most frequent agent found (72 percent). The mean hospitalization period in Group A was 12.7 days (±2.3), and in Group B, 10.6 days (±1.6) (p=0.01). The mean antibiotics treatment period in Group A was 12.2 days (±2.3), and 10.1 days (±1.5) in Group B (p=0.02). CONCLUSION: The percutaneous drainage of the abscesses is an efficient treatment method for the Tropical Pyomyositis, with a shorter period of hospitalization and antibiotics usage.

Piomiositis: presentación de 17 casos en niños y adultos / Pyomyositis: Report of seventeen cases

Background: Pyomyositis is a bacterial infection of skeletal muscle. Although more commonly seen in the tropics, it is increasingly recognized in temperate regions. The age distribution for patients with so called "tropical" or "temperate" pyomyositis differs. Most cases of tropical pyomyositis are seen in otherwise healthy patients and mainly in children, while the majority of cases of temperate pyomyositis occur in inmunocompromised adults. Aim: To report a series of patients with pyomyositis. Material and Methods: Retrospective review of clinical records of patients admitted to our hospital with pyomyositis during the period 1996-2001. Results: Seventeen patients were identified, aged from 5 to 86 years old, nine (53%) males. Staphylococcus aureus (13 cases, 76%) was the most common infecting organism. Eleven patients (65%) had a history of previous trauma. All patients were immunocompetent. Six patients underwent surgical drainage. Six patients (35%) presented complications and of those, one died. Conclusions: All patients of this series were immunocompetent. Pyomyositis is a serious and life threatening disease but curable. An early treatment is the key to a better prognosis.