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 277,896 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The 1991 literature on septic arthritis included a concise review of adult septic arthritis, examples of pseudoseptic arthritis, and two interesting animal studies. One animal study examined the induction of acute synovitis by the intra-articular injection of bacterial endotoxin and the cytokines tumor necrosis factor-alpha, and interleukin-1 beta; and the other studied the effects of early and delayed synovectomy in the management of septic arthritis. The predispositions to septic arthritis can be divided into local joint abnormalities, systemic factors, or both. Examples of the local joint abnormalities include osteoarthritis of the hip and apatite-associated arthropathy. Septic arthritis in a patient with rheumatoid arthritis, in a patient with diabetes mellitus and hip arthropathy associated with hemochromatosis, or in a patient with acquired immunodeficiency syndrome and hemophilic arthropathy are examples of how systemic predisposition is coupled with local joint pathology to increase the vulnerability of the host to joint infection. Other examples of systemic disease that predispose to septic arthritis are systemic lupus erythematosus, hypogammaglobulinemia, and human immunodeficiency virus infection, as well as intravenous drug abuse. Unusual microorganisms causing septic arthritis in the adult include Achromobacter xylosoxidans, Moraxella catarrhalis, meningococci, and diphtheroids. Uncommon pathogenesis is represented by a case of intra-articular inoculation of Mycobacterium gastri into the small joint of the hand and a case of mixed bacterial infection of the hip resulting from an extension of a contiguous pelvic infection associated with trauma. Two cases of immune complex glomerulonephritis illustrate the extra-articular complications of septic arthritis: one due to group G streptococcus and the other due to pneumococcus. Finally, septic bursitis is reviewed from the community practice perspective.
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PMID:Bacterial arthritis. 150 74

The cases of seven patients with diabetes mellitus and peripheral proliferative retinopathy (retinal neovascularization at or anterior to the equator) were studied. Associated abnormalities found included systemic arterial hypertension in five, a positive fluorescent treponemal antibody titer in four, and benign monoclonal gammopathy, intravenous drug abuse and hemoglobin AS each in one patient. The presence of additional systemic diseases should be suspected in diabetic patients with predominantly peripheral proliferative retinopathy.
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PMID:Peripheral retinal neovascularization in diabetes mellitus. 241 Mar 82

The cases of 100 consecutive persons (156 eyes) seen with peripheral proliferative retinopathy were reviewed in a retrospective fashion. Associated systemic and ocular diseases included sickling hemoglobinopathies (49%), branch retinal vein obstruction (20%), diabetes mellitus (9%), sarcoidosis (4%), intravenous drug abuse (4%), the ocular ischemic syndrome (1%), pars planitis (1%), Coats' disease (1%) and retinitis pigmentosa/retinal detachment (1%). In ten (10%) patients no obvious cause for the development of new blood vessel growth could be ascertained.
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PMID:Peripheral proliferative retinopathies. 244 26

Cerebral mucormycosis is a rare disorder caused by several genera of the family Mucoraceae. The genera Rhizopus, Absidia, and Mucor are the predominant pathogenic groups. Disease caused by these organisms usually complicates an underlying chronic illness, such as diabetes mellitus or malignancy. Cerebral involvement usually occurs from an ascending infection from the paranasal sinuses via the orbit and is usually associated with poorly controlled diabetes. The pulmonary system is the most common site of infection in patients with leukemia. Isolated cerebral mucormycosis not associated with head trauma or intravenous drug abuse is a rare disorder. We report what we believe to be the first successfully treated case of isolated cerebral mucormycosis in a patient with acute lymphocytic leukemia in remission.
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PMID:Survival after isolated cerebral mucormycosis. 278 63

Necrotizing fasciitis has been associated with significant morbidity and mortality. Thirty-three patients were studied over a 3-year period. Predisposing factors included intravenous drug abuse (30%), diabetes (21%), and obesity (18%). Severe pain (94%) and abnormal temperature (88%) were present, whereas laboratory data and x-ray were nonspecific. Gram-positive organisms were most frequently recovered (B-hemolytic streptococcus 45%). Treatment consisted of antibiotics, surgical debridement, re-exploration 24 hours before surgery, nutritional support, and early soft tissue coverage as needed. Mean duration from admission to operation was 43 hours. The average number of operative debridements was three and the average length of hospitalization was 47 days. Patients operated on less than 12 hours from admission or greater than 48 hours had shorter hospital stays (36 and 38 days). The critical time period was 12-48 hours after admission; all deaths and amputations were in this group and the average hospital stay was 62 days (p less than 0.05). The number of operations did not correlate to hospital stay. Despite antibiotics and aggressive debridement, significant morbidity exists if operation is delayed more than 12 hours. Methods of early detection such as local bedside diagnostic incision and fascial inspection may be needed in high risk patients to further reduce the morbidity and mortality.
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PMID:Improved results from a standardized approach in treating patients with necrotizing fasciitis. 331 52

Infective endocarditis is an uncommon manifestation of group B streptococcal disease. Seven cases of group B streptococcal endocarditis are reported herein. Another fifty-five cases published in the literature since 1962 are reviewed: the male to female ratio was 1.4:1. The average age was 53.8 years, and 45% of patients were 60 years of age or older. Two cases of nonsocomial endocarditis and two cases of polymicrobial endocarditis were identified. There were five cases of prosthetic valve endocarditis. Mitral and aortic valvular involvement were present in 48% and 29% of cases, respectively. Underlying heart disease was found in more than half of the cases. Rheumatic heart disease was the commonest underlying cardiac condition. Noncardiac underlying conditions included diabetes mellitus, alcoholism, pregnancy, intravenous drug abuse, and genitourinary disease. Onset was varied as was initial presentation of the disease. Large arterial thrombi were common. Overall mortality was 43.5%. Penicillin is the treatment of choice for group B streptococcal endocarditis. However, based on in vitro and in vivo studies as well as case reports, some authors feel that the combination of penicillin and an aminoglycoside is a superior regimen. Cephalothin or vancomycin are alternatives for patients who are allergic to penicillin.
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PMID:Group B streptococcal endocarditis: report of seven cases and review of the literature, 1962-1985. 351 20

A series of 24 consecutive patients presenting with a fundus picture characterized by a predominance of cotton-wool spots, or a single cotton-wool spot, is reported. Excluded were patients with known diabetes mellitus. Etiologic conditions found included previously undiagnosed diabetes mellitus in five patients, systemic hypertension in five patients, cardiac valvular disease in two patients, radiation retinopathy in two patients, and severe carotid artery obstruction in two patients. Dermatomyositis, systemic lupus erythematosus, polyarteritis nodosa, leukemia, AIDS, Purtscher's retinopathy, metastatic carcinoma, intravenous drug abuse, partial central retinal artery obstruction, and giant cell arteritis were each found in one patient. In only one patient did a systemic workup fail to reveal an underlying cause. The presence of even one cotton-wool spot in an otherwise normal fundus necessitates an investigation to ascertain systemic etiologic factors.
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PMID:Cotton-wool spots. 386 24

A ten-year retrospective review of 23 cases of documented spinal epidural abscess in the cervical spine was undertaken to define the clinical features and establish current diagnostic and therapeutic criteria. Diagnosis was made by magnetic resonance imaging or myelography. Risk factors included intravenous drug abuse, diabetes mellitus, previous trauma, and a positive serologic test for the human immunodeficiency virus. A bacterial agent was isolated in 21 cases (91%). Neurologic deficits were present in 20 of the cases (87%) at the time of diagnosis. Erythrocyte sedimentation rate was elevated in all patients in whom it was measured. All patients were treated with appropriate antibiotics, usually for 6 to 8 weeks. Twenty-one patients underwent operative procedures using percutaneous aspiration (1 patient), the anterior approach (14 patients) or the posterior approach (4 patients), or a combination of the two approaches (2 patients). Four of ten patients who initially had less than antigravity strength were eventually ambulatory and continent; in each case, operative decompression was performed within 36 hours of initial consultation. Three patients who had no initial neurologic deficits remained intact.
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PMID:Epidural abscess in the cervical spine. 796 30

When graft infection or infection of the medial leg or popliteal fossa precludes a standard approach to revascularization of the ischemic leg, the literature suggests amputation may be the most prudent course because of excessive perioperative mortality and morbidity of attempts to reestablish axial flow. The purpose of this study is to define the outcome of revascularization when limb-threatening ischemia is complicated by perigenicular infection. Of 1020 infrainguinal reconstructions performed since 1984, nine (0.9%) presented with limb-threatening ischemia and graft or wound infections involving the popliteal fossa (6) or medial thigh or calf wounds (3) which precluded standard revascularization in the five women and four men. Risk factors for infection included diabetes mellitus (5/9), wound hematoma at initial operation (2/9), and intravenous drug abuse (1/9); Staphylococcus aureus was the predominant organism in all infected wounds and two popliteal fossa infections. The other deep infections grew group D streptococci, Enterococcus, and Salmonella. Extra-anatomic reconstruction was performed from the femoral (7) and iliac vessels (2) extending to the below-knee popliteal (2), the anterior tibial (4) and the peroneal (3) arteries using vein (5), and PTFE (4) in a lateral tunnel which avoiding the plane of the infection. Postoperative complications included MI (1), early graft thrombosis (2), and osteomyelitis of the femur (1); there were no deaths. With a mean follow-up of 19 months (3-57 months), primary graft patency was 66% and secondary patency was 78%, resulting in salvage of 66% of extremities at risk. These data demonstrate the safety and efficacy of extra-anatomic reconstruction for maintaining axial flow when limb-threatening ischemia is complicated by perigenicular infection.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Limb-threatening ischemia complicated by perigenicular infection. 847 76

The following risk factors, previously associated with necrotizing fasciitis, were identified in 25 consecutive patients: diabetes mellitus, intravenous drug abuse, age greater than 50, hypertension, and malnutrition/obesity. Additional data recorded included the duration of illness to the time of the first operative procedure, the type of procedure performed, the anatomic location of the infection, the etiology, culture reports, and leukocyte counts. The goal of this study was to determine whether the number of risk factors present in a patient was predictive of mortality. Six patients (24%) died and 19 patients survived. The nonsurvivors exhibited a significantly higher percentage of diabetes mellitus, 83 per cent versus 37 per cent (P = 0.047). Fifteen of 19 survivors (79%) and only one of six nonsurvivors (17%) had fewer than three risk factors (P = 0.006). In conclusion, more than three previously identified risk factors present in patients with necrotizing fasciitis were found to be predictive of a mortality rate of 50 per cent. The mainstay of treatment remains aggressive surgical intervention, broad-spectrum antibiotics, and nutrition support.
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PMID:Implications of risk factors in necrotizing fasciitis. 848 99


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