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PubMed1992

Spinal epidural abscess. Early detection with gadolinium magnetic resonance imaging.

To emphasize the importance of timely diagnosis of spinal epidural abscess, thirteen patients admitted to a single general hospital are presented. In 10 patients, diagnosis was not appreciated at the time of presentation. After treatment, four remained paraparetic and three died. Nine patients had predisposing factors, including seven with infections at sites other than the spinal canal. Staphylococcus aureus was the predominant organism. Outcome was equally devastating for the seven patients with acute and the six patients with chronic infections. Gadolinium-enhanced magnetic resonance imaging was the most useful diagnostic test, and we recommend that it be performed promptly in any patient with clinical features suggesting spinal epidural abscess since early surgical drainage and appropriate antibiotics may yield a favorable outcome.

Abscess↗
PubMed1994

Intracranial suppuration: a modern decade of postoperative subdural empyema and epidural abscess.

A retrospective study of subdural empyema and epidural abscess spanning 11 years and encompassing 41 patients was performed, demonstrating that the clinical characteristics of intracranial suppuration have changed over time. Sinusitis and otitis media, previously the predominant etiologies, were predisposing factors in only 29% of patients. A prior craniotomy had been performed in 66% of cases and was the most common risk factor for abscess development. The postoperative patients were subjected to detailed analysis. Patients who had undergone a prior craniotomy were notable for the following features: older age, lack of fever, evidence of wound infection, frequent false-negative computed tomographic scans, and a high percentage of Gram negative aerobic organisms or skin flora as pathogens. The population at highest risk for abscess development ranged from 50 to 60 years old, older than in previous series. Older age and an advanced degree of encephalopathy were indicative of a poor prognosis. Patients with subdural empyema had a worse prognosis as well. Hyponatremia was a frequent complicating factor. A much greater percentage of Gram-negative aerobic bacteria were isolated than in previous studies. Computed tomographic scans, half of which were performed with intravenous contrast material, were nondiagnostic in 30% of patients. The mortality rate was 18.5%, and delay in treatment correlated with increased risk of poor outcome. All patients were treated with a craniotomy. Repeated operations were required in three patients and were associated with the development of intraparenchymal abscess.

Adolescent↗
PubMedDate not supplied

Spinal epidural abscess: evaluation with contrast-enhanced MR imaging.

Seven patients with spinal epidural abscess were evaluated with MR imaging. T1-weighted images were obtained before and after administration of gadopentetate dimeglumine, and contrast-enhanced images were compared with available T2-weighted images and unenhanced T1-weighted images. In all seven cases, the epidural infection was iso- to hypointense compared with the spinal cord on unenhanced T1-weighted images, and increased in intensity on proton-density- and T2-weighted images. Three patterns of enhancement were observed after contrast administration. In three patients the infection enhanced homogeneously, likely representing thickened, inflammed tissue with microabscesses and granulomatous material. In one patient, peripheral enhancement surrounded a central focus of low signal intensity, representing necrotic abscess. In two patients, a combination of both patterns was observed. One abscess infiltrated the posterior thoracic epidural fat, producing decreased signal within the high-signal fat on T1-weighted images. Enhanced T1-weighted images were equivalent to unenhanced T2-weighted images in detecting the extent of epidural involvement in three cases. In two cases, enhanced T1-weighted images were superior to T2-weighted images in differentiating the infectious component from surrounding CSF. In one case, contrast administration produced no discernible enhancement. Enhanced images also provided important information regarding the composition of the abscess (liquid versus solid). Contrast-enhanced MR images are valuable in the characterization of spinal epidural abscesses.

Abscess↗
PubMed2001

Candida albicans spinal epidural abscess secondary to prosthetic valve endocarditis.

A 56-year-old woman, with underlying rheumatic heart disease status post mitral valve replacement, presented with fever, low back pain radiating to right leg, and congestive heart failure. Magnetic resonance imaging detected an L5-S1 spinal epidural abscess. A vegetation on prosthetic mitral valve was found by transesophageal echocardiography. Cultures of epidural aspirate, surgical specimen, and blood all grew Candida albicans. She received surgical drainage of the spinal epidural abscess and i.v. amphotericin B 1 mg/kg/day for eight weeks. Clinical symptoms improved gradually and she was discharged without neurologic sequelae. She remained well and continued to lead an active life two years after discharge.

Amphotericin B↗
PubMed1994

Thoracic epidural abscess.

Twenty-one cases of thoracic spinal epidural abscess occurring over a 10-year period were retrospectively reviewed. Diagnosis was made by MRI or myelography and confirmed in the operative cases. A bacterial agent was isolated in 18 of the cases (86%). When measured, the erythrocyte sedimentation rate was elevated in all cases. Four patients who presented without neurologic deficits remained intact. All patients who presented with neurological deficits underwent surgical intervention in addition to intravenous antibiotics. Of the 15 patients who presented with a paraparesis of less than antigravity strength, five eventually were independent ambulators and continent. A good outcome resulted in 80% of those who underwent decompression within 24 h, as opposed to only 10% of the patients decompressed after 24 h. Good results can be obtained despite severe neurologic compromise when treated by rapid diagnosis and decompression of the spinal canal.

Abscess↗
PubMed1994

Spinal epidural abscess with gadolinium-enhanced MRI: serial follow-up studies and clinical correlations.

We reviewed serial MRI with and without gadolinium-DTPA in eight patients with spinal epidural abscess and correlated the findings and the clinical manifestations. In four patients, diffuse abscesses spanned four vertebral bodies or more; the others had focal abscesses associated with osteomyelitis and/or diskitis. In three of the four patients with diffuse abscesses, MRI (NCMRI) showed diffuse encasement of the subarachnoid space. Contrast-enhanced MRI (CEMRI) demonstrated linear enhancement surrounding unenhanced pus. In the four patients with focal abscesses, CEMR delineated the inflammatory process more clearly than NCMR. On follow-up studies, decrease in abscess size and better visualization of the subarachnoid space correlated with clinical improvement in both diffuse and focal abscesses. Despite clinical improvement, contrast enhancement persisted in the disk or epidural space of three patients, and was thought to represent chronic granulomatous change or postsurgical scar. CEMR is very valuable for the initial diagnosis of an epidural abscess, particularly if it involves lengthy segments. During follow-up, CEMR can document responses to therapy, and provide information for determining appropriate treatment.

Abscess↗
PubMed2006

Surgical management of acute mastoiditis with epidural abscess.

The prevalence of intracranial complications of acute coalescent mastoiditis in children has decreased significantly; however, this clinical problem persists, with a relatively high mortality. The common practice for management of acute mastoiditis with epidural abscess is mastoidectomy, drainage and placement of a ventilation tube, which means that the main pathology is confined to the mastoid cavity. We suggest that tympanic exploration is mandatory in certain cases, an example of which we present here. We report one case of acute mastoiditis with epidural abscess, in which mastoidectomy with tympanic exploration was needed to ensure drainage throughout the cavities and to prevent pressure rebuilding in the mastoid and tympanic cavities. We stress that if the tympanic membrane is thickened and no fluid is drained when placing a pressure equalization tube, there could be granulation tissue in the tympanum and tympanic exploration is mandatory, especially in a case of acute mastoiditis with intracranial complications accompanied by prolonged symptoms.

Acute Disease↗
PubMed1999

Combined transfrontal and endonasal endoscopic surgery of epidural abscess following frontal sinusitis. A case report.

A large epidural abscess secondary to frontal sinusitis in a previously healthy 19-year-old man was successfully treated with a small eyebrow incision using combined transfrontal and endonasal endoscopic technique. The abscess was resolved with concomitant pneumatization of the paranasal sinuses. The present case illustrates the promising use of endoscopy in the merging fields of neurosurgery and otorhinolaryngology.

Abscess↗
PubMed1984

Acute anterior spinal epidural abscess.

We have reported a case of acute spinal epidural abscess, an uncommon cause of pain in the neck and back. The typical progression from spinal ache to paralysis may be halted if the diagnosis is suspected and prompt radiologic and surgical interventions are initiated.

Abscess↗
PubMed2006

Case report: epidural abscess in a parturient with pruritic urticarial papules and plaques of pregnancy (PUPPP).

PURPOSE: To describe the risk factors for epidural abscess (EA) formation following epidural analgesia in a parturient with pruritic urticarial papules and plaques of pregnancy (PUPPP). CLINICAL FEATURES: A 33 yr-old gravida 2 nulliparous patient at 36 weeks gestation presented with severe pre-eclampsia, and PUPPP (treated with prednisone). Magnesium prophylaxis was started and labour was induced. An epidural catheter was placed at the L(3-4) level using standard aseptic technique. Bupivacaine was incrementally injected to achieve a T10 sensory level, and analgesia was maintained using a continuous infusion of 0.0625% bupivacaine with fentanyl. Nine days post-delivery, the patient developed back pain radiating to her right leg, but she was otherwise asymptomatic. She was afebrile; with a slightly tender, non-erythematous, non-draining, 1 cm nodule at the epidural catheter site. Motor and sensory examinations were normal at that time. However, the patient returned 24 hr later and further investigations revealed: WBC 17,800.mm(-3), platelets 486,000.mm(-3), erythrocyte sedimentation rate 50 mm.hr(-1), and C-reactive protein 8.8 mg.dL(-1). The magnetic resonance imaging demonstrated an EA at the L(3-4) level causing minimal cord compression. The patient underwent an emergency decompressive laminectomy. Cultures revealed methicillin-sensitive Staphylococcus aureus. Her pain improved, and she was discharged on the third postoperative day with a six-week course of iv ceftriaxone. CONCLUSION: Causative organisms for EAs include coagulase-negative Staphylococci, S. aureus, and Gram-negative bacilli. Infection can occur either hematogenously or by direct contamination during catheter placement. Risk factors include immunocompromised states and PUPPP, as with the case of this patient.

Adult↗
PubMed2004

Cervical epidural abscess associated with massively elevated erythrocyte sedimentation rate.

We present a case of an elderly woman who presented with neck pain, low-grade fever, bandemia, and a massively elevated erythrocyte sedimentation rate (ESR) who had a cervical epidural abscess. We believe that the selective use of ESR assisted in narrowing the differential diagnosis, as the patient had no neurological deficits and no predisposing factors such as distal infection, immunosuppression, trauma, or recent surgery. Furthermore, in the literature, an elevated ESR is consistently found in patients with epidural abscesses, whereas clinical findings such as fever, leukocytosis, and neurological deficits are only variably present.

Aged↗
PubMed2002

Staged cranial reconstruction after epidural abscess associated with dural substitute exposure.

UNLABELLED: Cadaveric dura mater was widely used for a long time but has recently been associated with the transmission of Creutzfelt-Jakob disease. Expanded polytetrafluoethylene sheet has been suggested as a suitable alternative in Japan. Recently epidural abscesses associated with exposure to Expanded polytetrafluoethylene have been on the increase in Japan. We experienced one case of staged cranial reconstruction for chronic ulcer of the head associated with MRSA epidural abscess. SURGICAL TECHNIQUE: the exposed expanded polytetrafluoethylene must be completely removed along with the skin. Reconstruction of dura mater should be made watertight with the application of autologous free fascia lata collected from the paralyzed thigh. Autologous free fascia lata is reconstructed with the rectus abdominis muscle so that there is no dead space remaining. Calvarial bone should be reconstructed in a separate operation as at a second stage.

Biocompatible Materials↗
PubMed2003

Facet joint injection: a rare form cause of epidural abscess formation.

The posterior zygo-apophyseal joints (facet joints) may be a significant source of back pain. Invasive treatment typically consists of injecting the joints with local anaesthetic and steroid or by radiofrequency ablation of the nerve supply to the joint. Facet joint injection is generally considered to be a very safe procedure with few significant side effects reported. Epidural abscess is a rare but potentially very serious occurrence. Most cases occur spontaneously but the condition may complicate epidural anaesthesia, spinal anaesthesia or epidural steroid injection. We report a case in which facet joint injections resulted in epidural abscess formation. To our knowledge this has not previously been reported.

Aged↗
PubMed1990

Huge calcified epidural abscess--case report.

A 76-year-old female with an intracranial epidural abscess having a long history of about 30 years is presented. Craniogram, carotid angiogram, and computed tomographic scan showed a huge calcified lesion with hyperostosis at the right parietal region. The abscess appeared to have granulated and calcified due to long-lasting stagnation of the pus.

Aged↗
PubMed1994

Nonsurgical treatment of spinal epidural abscess: report of a case.

Traditionally, the treatment of choice for spinal epidural abscess (SEA) is decompressive laminectomy and debridement followed by antibiotics. In recent years, nonsurgical treatment in selected cases has been reported. This report describes a 39-year-old man with lumbar SEA diagnosed by computed tomographic-myelography. In the absence of neurological deficit and the presence of infective endocarditis and a known pathogen, the patient received only antibiotic treatment and made an uneventful recovery.

Abscess↗
PubMed1989

Spinal epidural abscess. An infectious emergency. Case report and review.

Spinal epidural abscess is an unusual disease in the pediatric age group, requires early diagnosis and prompt surgical drainage to insure a good clinical outcome. Back pain and fever are usually the only presenting symptoms occurring before precipitous neurologic deterioration. The causative organism is most often Staphylococcus aureus, which presumably is spread to the epidural space hematogenously. Diagnosis is facilitated by computed tomography (CT) scan, but the entire spine must be imaged by either myelography or magnetic resonance imaging (MRI) to assess for skip lesions.

Abscess↗
PubMed1990

Magnetic resonance imaging and the nonoperative treatment of spinal epidural abscess.

This report describes three patients with spinal epidural abscess diagnosed by magnetic resonance imaging and treated nonoperatively. Prior to treatment, one patient was neurologically intact, one patient demonstrated a moderate neurological deficit, and one patient was severely paraparetic with loss of bladder and bowel control. Following identification of the pathogenic organism, antibiotic therapy was continued until the patients demonstrated clinical improvement and radiological resolution of the abscess. All patients remained stable or improved neurologically. Analysis of 33 previously reported patients treated with antibiotics suggests that nonoperative treatment may be a reasonable alternative therapy under certain clinical conditions. These include (1) identification of the pathogenic organism, (2) a stable neurological condition, (3) access to magnetic resonance imaging or computed tomography for potentially rapid reevaluation, and (4) appropriate neurosurgical consultation and nursing care. Nonoperative treatment may also be considered as a reasonable alternative for patients who have severe concurrent medical illness.

Adult↗