Cases reported "Bacteroides Infections"

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11/90. Tension pneumopericardium caused by positive pressure ventilation complicating anaerobic pneumonia.

    A 22-year-old man was admitted with pneumonia. He was immediately intubated and positive pressure ventilation was initiated. Blood and sputum cultures showed bacteroides fragilis and corynebacterium sp., which were treated with metronidazole and clindamycin. Three weeks later his blood pressure suddenly dropped with an elevation of the central venous pressure. Chest X-ray revealed a pneumopericardium. A parasternal mediastinotomy with partial pericardiectomy was immediately performed. On opening the pericardium his blood pressure normalised. The patient gradually recovered and six weeks after admission he was extubated. Two weeks later he was discharged. A pneumopericardium without previous thorax trauma is very rare and early recognition is imperative because a tension pneumopericardium with cardiac tamponade may develop, as happened in this case. A tension pneumopericardium has to be treated with immediate pericardiocentesis followed by partial pericardiectomy to avoid recurrence.
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keywords = fragilis
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12/90. metronidazole-resistant bacteroides fragilis wound infection.

    We report the isolation of metronidazole-resistant bacteroides fragilis from a post-operative wound abscess in a 72-year-old woman who had not been treated with metronidazole during the preceding 9 months. The case illustrates the need for caution when identifying anaerobes on the basis of metronidazole sensitivity.
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ranking = 5
keywords = fragilis
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13/90. Allograft replacement of common iliac artery mycotic aneurysm caused by bacteroides fragilis vertebral spondylitis--a case report.

    Mycotic aneurysm secondary to vertebral spondylitis is a rare but life-threatening pathology with high mortality and morbidity. The authors describe a successfully treated case of mycotic aneurysm of the common iliac artery complicated with vertebral spondylitis in a 74-year-old man. Under midline laparotomy, complete debridement of the infected tissues, in-situ replacement of the common iliac artery with cryopreserved aortic allograft, and iliac bone autotransplantation and omentopexy to fill the debrided cavity were performed. The postoperative course was uneventful, and he remains well 3 years after his operation without persistent infection or allograft rejection.
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ranking = 4.0000001337218
keywords = fragilis, bone
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14/90. Isolation of metronidazole-resistant bacteroides fragilis carrying the nimA nitroreductase gene from a patient in washington State.

    Members of the bacteroides fragilis group are among the most common anaerobic bacterial isolates in clinical specimens. metronidazole, a 5-nitroimidazole, is often used as empirical therapy for anaerobic infections. Susceptibility testing is not routinely performed because of nearly universal susceptibility of Bacteroides spp. to this agent. We report a case of metronidazole-resistant bacteroides fragilis in the united states and demonstrate the presence of the nimA gene, encoding a nitroreductase previously shown to mediate resistance to 5-nitroimidazole antimicrobial agents in B. fragilis strains from europe and africa. Because clinical failures in bacteroides infections have been associated with the use of inactive antimicrobial agents, clinicians need to be aware of the possibility of metronidazole-resistant B. fragilis strains in the united states and the importance of susceptibility testing in selected situations.
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ranking = 8
keywords = fragilis
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15/90. Transobturator tape erosion associated with leg pain.

    A 39 year-old vaginal multipara status postpubovaginal sling in 2002 and a transobturator tape procedure in 2004 presented with persistent stress incontinence and vaginal polypropylene mesh erosion. Ten days later, she presented to the emergency room with severe right groin pain, difficulty walking, fever, and chills. She described shooting pain originating from the right inguinal ligament radiating down her right leg anteriorly. Although her neurologic examination was normal, palpation of the right obturator internus muscle reproduced her pain. MRI clearly revealed the course of the mesh tape through the obturator muscles and marked increase in the size of the right adductor and obturator internus muscles, apparently compressing the adjacent neurovascular fascicle. The patient was taken to the operating room where the polypropylene tape was easily removed through the vaginal erosion. Mesh cultures were positive for bacteroides fragilis. She experienced complete symptom resolution within 1 week of tape removal.
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keywords = fragilis
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16/90. Right colon adenocarcinoma presenting as bacteroides fragilis liver abscesses.

    Pyogenic abscesses of the liver occur in association with a variety of diseases. Sometimes they are caused by anaerobic infections of liver metastases. Uncommonly, however, multiple hepatic abscesses caused by anaerobic bacteria are the presenting signs of unsuspected colonic cancer in the absence of liver metastases. We report a 60-year-old man who presented with febrile cholestatic liver disease initially thought to be metastases. Repeated ultrasound-directed liver biopsies yielded a diagnosis of multiple abscesses. bacteroides fragilis was grown from the liver specimen and the patient responded well to metronidazole treatment. Two months later, however, overt symptoms of large bowel disease led to the diagnosis of colonic adenocarcinoma. After a 6-month postoperative follow-up, the patient is free of liver metastases. Anaerobic liver abscesses should always alert the clinician to possible silent colonic cancer.
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ranking = 5
keywords = fragilis
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17/90. Resolution of furcation bone loss after non-surgical root canal treatment: application of a peptidase-detection kit for treatment of type I endoperiodontal lesion.

    Here, we report the management of a type I endoperiodontal lesion with furcation bone loss. A 59-year-old female attended our hospital with the chief complaint of mobility of tooth 46 and recurrent gingival swelling around the tooth. She previously received dental treatment from two dentists, but her condition did not improve. The tooth manifested the symptoms of typical periodontitis, such as gingival swelling, tooth mobility, pus discharge from the periodontal pocket and furcation bone loss. The tooth had no caries and the pulp reacted to an electric pulp test. Careful examination of the gingiva revealed traces of dental fistula. X-ray examination via a gutta percha inserted into the fistula revealed that furcation bone loss was associated with the periapical lesion. We diagnosed a type I endoperiodontal lesion, and applied Periocheck, a detection kit for peptidase-producing bacteria, to check for decreases in bacteria in the furcation and root canals. Soon after non-surgical root canal treatment, the condition of tooth 46 improved without periodontal treatment. After confirming a negative score with Periocheck, the root canal was filled. After 3 months, the furcation bone loss was on the way to recovery. These results indicate that proper diagnosis and confirmation of a decrease in root canal bacteria are important for treating endoperiodontal lesions.
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ranking = 1.0697746661696E-6
keywords = bone
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18/90. Spondylodiscitis due to bacteroides fragilis: two cases and review.

    Non-iatrogenic spondylodiscitis caused by anaerobic bacteria remains exceptional. We describe 2 cases of spondylodiscitis with epidural abscess due to Bacteroides fragilis, 1 after colonoscopy with biopsy and 1 in a cirrhotic patient. The clinical and imaging findings were not discriminant relative to other pyogenic spondylodiscitis. One should consider B. fragilis when treating a spondylodiscitis with epidural abscess, especially in patients with a possibly digestive portal of entry.
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ranking = 6
keywords = fragilis
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19/90. Pylephlebitis associated with acute infected choledocholithiasis.

    Pylephlebitis, also called septic thrombophlebitis of the portal vein, is a life-threatening complication of intra-abdominal infection. Although rare, it remains a less recognized entity with a high rate of mortality. We present a 66-year-old man with acute infected choledocholithiasis complicated with bacteroides fragilis bacteremia. The contrast-enhanced computed tomography scan of the abdomen showed nearly total thrombotic occlusion of the left portal vein. The comprehensive studies for hypercoagulation disorders all yielded negative results. After endoscopic extraction of bile duct stones and broad-spectrum antibiotic therapy, the patient recuperated with complete recanalization of the occluded portal vein. To our knowledge, pylephlebitis associated with acute infected choledocholithiasis has never been reported. This report details the clinical features, radiographic findings, pathogenesis, and treatment of this distinctly unusual manifestation. Early identification of pylephlebitis and underlying intra-abdominal infection can be achieved by exquisite imaging studies with raised awareness in the clinical setting. Eradication of infectious foci and judicious administration of antimicrobials are essential to reduce the catastrophic morbidity and mortality of pylephlebitis.
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ranking = 1
keywords = fragilis
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20/90. Two cases of infections due to multidrug-resistant bacteroides fragilis group strains.

    bacteroides fragilis group strains are still considered susceptible to most antimicrobial agents used for the treatment of infections caused by anaerobic organisms. We describe two cases of infections due to isolates simultaneously resistant to clindamycin, tetracycline, cefoxitin, piperacillin-tazobactam, and imipenem and, in one of the two cases, to metronidazole. Such infections, although still rare, do exist and tend to complicate treatment.
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ranking = 5
keywords = fragilis
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