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Nuño Mateo FJ, Noval Menéndez J, Fernández Bustamante J, Suárez Echevarría T, Gallo C. [Dental sepsis as cause of fever of unknown origin]. ANALES DE MEDICINA INTERNA (MADRID, SPAIN : 1984) 2001; 18:50. [PMID: 11387852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
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52
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Young E, Kajander KC, Rimell F, Ho B, Goldman J. Substance P immunoreactive sensory axons as a subset of the total axonal population in the maxillary sinus of the rabbit: a characterization of normal and infected mucosa. AMERICAN JOURNAL OF RHINOLOGY 2001; 15:61-7. [PMID: 11258658 DOI: 10.2500/105065801781329374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Substance P (SP), one of the neuropeptides released from sensory nerves, is thought to mediate neurogenic inflammation. Although SP immunoreactive axons have been described in the sinus mucosa, no attempt has been made to characterize SP fibers as a subset of all axons present in the sinus mucosa. In addition, no study to date has characterized the changes in infected sinus mucosa. The maxillary sinus mucosa of New Zealand white rabbits was harvested from control animals and in animals with induced maxillary sinusitis. Immunohistochemical staining of the sinus mucosa for both Protein Gene Product 9.5 (PGP), a nonspecific marker for all nerves, and for SP was performed on 11 animals: 3 controls and 8 infected. In sinus mucosa from the control rabbits, <50% of all axons labeled by PGP were immunoreactive for SP. In infected mucosa, the absolute number of axons found by PGP staining decreased and nearly all of these remaining fibers were also immunoreactive for SP. We conclude that the phenotypical labeling of nerve fibers seen in normal mucosa is altered by bacterial-induced infection.
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53
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Valero Puerta JA, Medina Pérez M, Jiménez Gonzalo F, Valpuesta Fernández I, Sánchez González M. [Xanthogranulomatous pyelonephritis with fistula in the gluteal region]. ANALES DE MEDICINA INTERNA (MADRID, SPAIN : 1984) 2000; 17:454-5. [PMID: 11219004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
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54
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Díaz Vázquez CA, Riaño Galán I, Cobo Ruisánchez A, Fernández Hidalgo JM, Ponomar Súlepov E, Peláez Mata D. [General syndrome and fever]. ANALES ESPANOLES DE PEDIATRIA 2000; 53:159-60. [PMID: 11083959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
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55
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Kraipowich NR, Morris DL, Thompson GL, Mason GL. Bovine abortions associated with Bacteroides fragilis fetal infection. J Vet Diagn Invest 2000; 12:369-71. [PMID: 10907869 DOI: 10.1177/104063870001200413] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Two Santa Gertrudis cattle from a herd of 105 aborted within a 24-hour period. Bacteroides fragilis was isolated from tissues of each aborted fetus. Histopathologic lesions included placentitis and bronchopneumonia in which gram-negative, rod-shaped organisms were visible. The diagnostic workup failed to reveal other causes of abortion. Anaerobes are rarely implicated in bovine abortions, and no other report was found that described abortion in cattle due to B. fragilis.
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Beaumont S, Winer A, Demeure D, Naux E, Pinaud M. [Parasigmoid abscess revealed by anaerobic osteomyelitis]. ANNALES FRANCAISES D'ANESTHESIE ET DE REANIMATION 2000; 19:474-7. [PMID: 10941448 DOI: 10.1016/s0750-7658(00)00223-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
We report the case of a 66 year-old-patient, who profited by a laminectomy T4 to T7 for spinal cord compression due to an osteomyelitis. Bacteriological samples showed positives gram cocci and Bacteroides fragilis by the culture. The systematic research of a primitive source permitted to find a parasigmoidis abscess, which was treated by a sigmoidectomy with a colorectal anastomosis.
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57
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Kuze N, Nishizaka Y, Okamoto K, Wakayama T, Imanaka M, Kubo Y, Oda Y, Amitani R. [Empyema thoracis accompanied by hyperammonemic encephalopathy]. NIHON KOKYUKI GAKKAI ZASSHI = THE JOURNAL OF THE JAPANESE RESPIRATORY SOCIETY 2000; 38:117-21. [PMID: 10774170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
A 50-year-old man was admitted to our hospital due to consciousness disturbance. On admission, he was comatose (200 on the Japan Coma Scale) but brain computed tomographic (CT) scans were normal. Chest radiographs and CT scans on admission revealed massive pleural effusion in the right hemithorax. A culture of purulent pleural fluid yielded three species of anaerobes, including Bacteroides fragilis. Laboratory examinations revealed markedly elevated WBC count, CRP, and serum ammonia (586 micrograms/dl). However, liver function was almost normal and no other metabolic disorders were demonstrated. After the initiation of antibiotic therapy and pleural drainage, the patient's cousciousness level gradually improved in parallel with decreasing serum levels of ammonia and CRP. Because no other potential causes of hyperammonemia were observed, we concluded that the consciousness disturbance was due to hyperammonemia presumably caused by a urease-producing anaerobe infecting the right pleural space.
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58
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Tamayo JA, Arráez MA, Villegas I, Ruiz J, Rodríguez E, Fernández O. [Partial Currarino syndrome in a non-pediatric patient. A rare cause of bacterial meningitis]. Neurologia 1999; 14:460-2. [PMID: 10613021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023] Open
Abstract
Enterogenic meningitis is an infrequent cause of central nervous system infection. Among these causes the Currarino syndrome may be found presenting sacral agenesis, presacral mass and anorectal stenosis. This syndrome normally causes enterogenic meningitis in the early years of life. The case reported corresponds to a 24-year-old male presenting polymicrobial meningitis with fecal flora germs (anerobic enterococci, Bacteroides fragilis and Escherichia coli). These clinical findings led to radiologic lumbar study with the diagnosis of Currarino syndrome. The existence of neuroenteric fistulas justifies the development of fecal flora meningitis. The nosology of the syndrome as well as the therapeutic strategy are reviewed.
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59
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Azar R, Lionet A, Melliez H, Verove C, de Lattre C. [A case of septicemia manifesting as a black esophagus]. Presse Med 1999; 28:1517. [PMID: 10526556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/14/2023] Open
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Contreras A, Umeda M, Chen C, Bakker I, Morrison JL, Slots J. Relationship between herpesviruses and adult periodontitis and periodontopathic bacteria. J Periodontol 1999; 70:478-84. [PMID: 10368051 DOI: 10.1902/jop.1999.70.5.478] [Citation(s) in RCA: 136] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Various mammalian viruses and specific bacteria seem to play important roles in the pathogenesis of human periodontitis. This study examined the relationship between subgingival herpesviruses and periodontal disease and potential periodontopathic bacteria in 140 adults exhibiting either periodontitis or gingivitis. METHODS A nested-polymerase chain reaction (PCR) method determined the presence of Epstein-Barr virus type 1 and type 2 (EBV-1, EBV-2), human cytomegalovirus (HCMV), and herpes simplex virus (HSV) and a 16S rRNA PCR detection method identified Actinobacillus actinomycetemcomitans, Porphyromonas gingivalis, Bacteroides forsythus, Prevotella intermedia, Prevotella nigrescens, and Treponema denticola. RESULTS Using a logistic analysis, EBV-1 showed significant positive association with P. gingivalis (odds ratio [OR] 3.37), and with coinfections of P. gingivalis and P. intermedia (OR 4.03); P. gingivalis and B. forsythus (OR 3.84); P. gingivalis and T. denticola (OR 4.17); P. gingivalis, B. forsythus, and T. denticola (OR 4.06); and P. gingivalis, P. nigrescens, and T. denticola (OR 3.29). EBV-1 also showed positive association with severe periodontitis (OR 5.09), with increasing age (OR 1.03), and with periodontal probing depth at the sample sites (OR 1.77). HCMV was positively associated with coinfections of P. gingivalis and P. nigrescens (OR 3.23); P. gingivalis, B. forsythus, and P. nigrescens (OR 3.23); and P. gingivalis, P. nigrescens, and T. denticola (OR 2.59); with severe periodontitis (OR 4.65); and with age (OR 1.03). Patients with mixed viral infections revealed significant associations with P. gingivalis (OR 2.27), and with coinfections of P. gingivalis and B. forsythus (OR 2.06); P. gingivalis and P. nigrescens (OR 2.91); P. gingivalis, B. forsythus, and P. nigrescens (OR 2.91); and P. gingivalis, P. nigrescens, and T. denticola (OR 2.70) with the clinical diagnosis of slight (OR 3.73), moderate (OR 3.82), or severe periodontitis (OR 4.36), and with probing depth at the sample sites (OR 1.39). HSV and EBV-2 showed no significant associations with any of the variables tested. CONCLUSIONS The results indicate that subgingival EBV-1, HCMV, and viral coinfections are associated with the subgingival presence of some periodontal pathogens and periodontitis. Herpesviruses may exert periodontopathic potential by decreasing the host resistance against subgingival colonization and multiplication of periodontal pathogens.
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61
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Spruijt S, Krijgsman AA, van den Broek JA, Tutein Nolthenius-Puylaert MC. Hypertrophic osteoarthropathy of one leg--a sign of aortic graft infection. Skeletal Radiol 1999; 28:224-8. [PMID: 10384994 DOI: 10.1007/s002560050505] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
We report a rare case of hypertrophic osteoarthropathy (HOA) confined to the right leg secondary to aortic graft infection. The development of HOA exclusively localized to areas distal to a vascular prosthesis may be the presenting manifestation of graft infection and a crucial diagnostic clue in the early detection of vascular graft infection. HOA is diagnosed by its characteristic radiographic and scintigraphic pattern. Most prosthetic, especially aortic, graft infections are uniformly fatal if not treated by aggressive surgical and antibiotic therapy. Recognition of this uncommon association may facilitate an early diagnosis, which usually requires immediate surgical therapy.
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Abstract
Spinal subdural abscess caused by spread of infection with the dermal sinus tract is rare in children. This article reports on a 1-year-old male with prolonged fever, progressive paraplegia, and bowel and bladder dysfunction resulting from a spinal subdural abscess secondary to an infected spinal dermoid cyst with a dermal sinus tract. This is the youngest patient to be reported having this condition. Surgical intervention was performed to find a tumor that had capsule and keratinlike contents. Culture of the abscess was positive for Escherichia coli and Bacteroides vulgatus. He received 6 weeks of parenteral antibiotic treatment. This patient illustrates the importance of urgent radiologic examination, immediate surgical resection, and appropriate antibiotic therapy for spinal subdural abscess.
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63
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Fernández Duran AM, Martín García C, Fernández Gómez J, Jiménez López-Lucendo N, Sampietro Crespo A. [Priapism secondary to a bilateral abscess of the corpora cavernosa]. Actas Urol Esp 1999; 23:64-6. [PMID: 10089636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Presentation of an exceptional case of priapism in an 82-year-old male, secondary to primary bilateral abscess corpus cavernosum. Diagnosis was reached through aspiration puncture and pus drainage, which also allowed the resolution of the condition. After a literature review, no similar case was found. This was a painful, long-lasting erection that resulted from corpus cavernosum repletion with purulent material instead of blood.
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64
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Dohmen K, Shimada T, Onohara S, Shirahama M, Miyamoto Y, Irie K, Ishibashi H. Obstructive jaundice due to multiple hepatic abscesses. FUKUOKA IGAKU ZASSHI = HUKUOKA ACTA MEDICA 1998; 89:277-81. [PMID: 9796134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
Abstract
A 63-year-old Japanese male with diabetes mellitus developed obstructive jaundice following the onset of multiple hepatic abscesses. Percutaneous transhepatic cholangiography showed intrahepatic bile duct irregularity and dilatations accompanied by a complete obstruction of the right branch of the intrahepatic bile duct. Three kinds of organisms were cultured from the blood and the drained bile. The cholangiographic changes returned to the normal after the liver abscesses subsided following biliary drainage and the administration of intravenous antibiotics.
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65
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Saulnier JP, Nassimi A, Cardona J, Gambert C, Barret D, Berthier M, Levard G, Oriot D. [Bacteroides fragilis meningitis revealing a meningorectal fistula]. Arch Pediatr 1998; 5:641-3. [PMID: 9759210 DOI: 10.1016/s0929-693x(98)80171-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
UNLABELLED Cases of meningitis due to Bacteroides fragilis are rare; we report a case revealing a meningorectal fistula. CASE REPORT A 2-month-old infant developed a severe sepsis syndrome following a rectosigmoidoscopy for rectal bleeding. Lumbar puncture diagnosed bacterial meningitis. Cerebrospinal fluid (CSF) culture evidenced B fragilis with betalactamase. The initial antibiotherapy was changed for imipenem-metronidazole, which is at present the recommended antibiotherapy. Malformation including pre-spinal tumor and meningorectal fistula was evoked on magnetic resonance imaging (MRI) and confirmed by surgery. The outcome was favorable after surgery and antibiotherapy. CONCLUSION B fragilis meningitis are usually associated with sepsis, whose origin is obvious. In our case, meningitis was isolated, revealing a meningorectal fistula.
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Mikamo H, Kawazoe K, Sato Y, Izumi K, Tamaya T. Therapeutic effects of cefozopran on polymicrobial infections associated with Enterococcus faecalis in a Rat pyometra model. Chemotherapy 1998; 44:103-7. [PMID: 9551240 DOI: 10.1159/000007100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Enterococcus faecalis plays an important role as a pathogen in polymicrobial infections. We evaluated the efficacy of cefozopran (CZOP) using polymicrobial pyometra rats. Rats were infected with a mixed intrauterine inoculation of E. faecalis plus either Bacteroides fragilis or Prevotella bivia (minimal inhibitory concentration of CZOP; E. faecalis: 6.25 micrograms/ml, B. fragilis: 12.5 micrograms/ml, P. bivia: 12.5 micrograms/ml). Immediately after inoculating 10(5) CFU of each organism/rat, CZOP (either 40 mg/kg, i.v., q.i.d., for 5 days or 80 mg/kg, i.v., b.i.d., for 5 days) was administered. The intrauterine inflammatory change and bacterial counts in the CZOP-treated group were compared with those in the nontreated control group. CZOP significantly (p < 0.01) decreased the bacterial counts except for B. fragilis in the regimen of 80 mg/kg b.i.d. However, the 40 mg/kg, q.i.d., regimen significantly (p < 0.05) reduced bacterial counts compared to 80 mg/kg, b.i.d. These results suggest that CZOP in a more divided dose is efficacious for the treatment of polymicrobial infections associated with E. faecalis in pyometra.
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67
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Kukita I, Okamoto K, Kikuta K, Hamaguchi M, Okamoto T, Terasaki H. Inhaled nitric oxide followed by extracorporeal membrane oxygenation in resuscitating a newborn with hypoxemia. ACTA PAEDIATRICA JAPONICA : OVERSEAS EDITION 1998; 40:91-2. [PMID: 9583211 DOI: 10.1111/j.1442-200x.1998.tb01412.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In a newborn requiring cardiopulmonary resuscitation because of hypoxemia due to sepsis (oxygenation index > 40), inhalation of nitric oxide (NO) in a concentration of 16 p.p.m. improved oxygenation and restored spontaneous circulation. Cannulation for extracorporeal membrane oxygenation (ECMO) then was performed safely under NO inhalation. ECMO was discontinued on day 7, and on day 14 the infant was extubated. During follow-up examination at 5 months of age no neurological abnormalities were found. This case shows the usefulness of combining inhaled NO and ECMO.
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Kuhara T, Okada K, Kinouchi T, Tominaga Y, Hirose M, Kagami S, Ohnishi Y. Hemolytic uremic syndrome in a patient with Bacteroides fragilis infection. KANSENSHOGAKU ZASSHI. THE JOURNAL OF THE JAPANESE ASSOCIATION FOR INFECTIOUS DISEASES 1998; 72:162-6. [PMID: 9545694 DOI: 10.11150/kansenshogakuzasshi1970.72.162] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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69
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Borer A, Weber G, Riesenberg K, Schlaeffer F, Horowitz J. Septic arthritis due to bacteroides fragilis after pilonidal sinus resection in a patient with rheumatoid arthritis. Clin Rheumatol 1997; 16:632-4. [PMID: 9456020 DOI: 10.1007/bf02247808] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Bacteroides fragilis is a rare cause of septic arthritis. Most patients with B. fragilis septic arthritis have a chronic joint disease, particularly rheumatoid arthritis, and sources of infection are lesions of the gastrointestinal tract and the skin. We report a 69-year-old male, who developed B. fragilis septic arthritis after pilonidal sinus resection. High level of suspicion of development B. fragilis septic arthritis must be present in patients with chronic joint disease in whom gastrointestinal or skin surgery was previously performed.
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Acea Nebril B, Freire Rodríguez D, Sánchez González F, Fraguela Mariña J, Taboada Filgueira L, Gómez Freijoso C. [Psoas abscess in Crohn's disease. Preoperative evaluation and surgical attitude]. GASTROENTEROLOGIA Y HEPATOLOGIA 1997; 20:412-4. [PMID: 9410539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Three patients with psoas abscess secondary to Crohn's diseases are reported with the aim of discussing the diagnosis and surgical management of these patients. It is concluded that computerized tomography is the method of choice for the diagnosis and follow up of this complication. Surgery should be individualized but in stable patients abscess drainage should be attempted in addition to resection of the intestine involved. Finally, given the great risk of pulmonary thromboembolism in these patients, intensive prophylactic anticoagulant therapy is required.
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71
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Sugata T, Fujita Y, Myoken Y, Fujioka Y. Cervical cellulitis with mediastinitis from an odontogenic infection complicated by diabetes mellitus: report of a case. J Oral Maxillofac Surg 1997; 55:864-9. [PMID: 9251619 DOI: 10.1016/s0278-2391(97)90352-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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72
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Abstract
The purpose of the study was to develop a small animal model of intraperitoneal infection without mortality and with a catabolic response to the infection, viz., to mimic the clinical situation in man. Intraperitoneal infection was induced in female Wistar rats by deposition of a gelatin capsule containing a mixture of Escherichia coli and Bacteroides fragilis and adjuvant substances. Seven groups of animals were infected with different bacterial inocula (0.2-4.3 x 10(6) CFU) to establish reproducible and dose-dependent changes in mortality, body weight in relation to food intake, blood cultures, peripheral blood leukocyte counts, and abscess formation on autopsy. No mortality was observed in animals with an inoculum below 2.2 x 10(6) CFU in spite of positive blood cultures. Initial weight loss was followed by weight gain in all animals except the group infected with the low inoculum (0.2 x 10(6) CFU). This group had no mortality, was in a catabolic state for three days, indicated by weight loss in spite of nearly normal food intake, and the infectious state was supported by intraperitoneal dissemination of small abscesses. The low-grade character of the infection was reflected by changes in peripheral blood lymphocyte and neutrophil granulocyte concentrations. In conclusion, this study presents a small animal model with a reproducible dose response to the bacterial challenge, allowing prolonged studies of metabolic changes following infection.
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Yoshida M, Mitsuo M, Kutsumi H, Fujita T, Soga T, Nishimura K, Kawabata K, Kadotani Y, Kinoshita Y, Chiba T, Kuroiwa N, Fujimoto S. A successfully treated case of multiple liver abscesses accompanied by portal venous gas. Am J Gastroenterol 1996; 91:2423-5. [PMID: 8931431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A case with multiple liver abscess accompanied by massive portal venous gas is reported. A 61-yr-old male was admitted because of left lower abdominal pain, fever, and diarrhea. Abdominal x-ray examination demonstrated multiple branching lucencies in the liver. Computed tomography revealed multiple liver abscesses and massive gas in the portal system as well as a thickened wall of the sigmoid colon. Enema study using contrast medium revealed a perforation of the sigmoid colon with diverticulitis. The outcome was favorable after sigmoid colectomy in addition to intensive treatment with antibiotics. Bacteroides fragilis, which produces gas (H2 and NH3) by fermentation, was isolated not only from the resected specimen but also from blood samples. Although the presence of portal venous gas is a sign of poor prognosis in patients with intestinal infectious diseases, the sensitive detection of hepatic portal venous gas by computed tomography and the appropriate treatment may improve the patient's prognosis.
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Vary TC. Sepsis-induced alterations in pyruvate dehydrogenase complex activity in rat skeletal muscle: effects on plasma lactate. Shock 1996; 6:89-94. [PMID: 8856841 DOI: 10.1097/00024382-199608000-00002] [Citation(s) in RCA: 101] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The pyruvate dehydrogenase (PDH) complex undergoes reversible phosphorylation catalyzed by a PDH kinase (inactivating) and a PDH phosphatase (activating). In skeletal muscle, a decreased proportion of PDH complex in the active, nonphosphorylated form (PDHa) limits glucose oxidation and promotes the conversion of pyruvate to lactate. Increased lactate formation with the accompanying hyperlactatemia is a frequent metabolic complication of sepsis. The time course for inactivation of the PDH complex in skeletal muscle during sepsis was contrasted with changes in PDHa during sterile inflammation 3,7, or 14 days following the implantation of the foreign body nidus. Total PDH complex activity was not altered in any of the conditions examined. Sepsis, but not sterile inflammation, caused a reduction in the muscle PDHa measured 3 or 7 days following induction of sepsis. The inhibition of the muscle PDHa during sepsis was associated with a sustained hyperlactatemia. PDH kinase activity measured in extracts of mitochondria was enhanced twofold during this period. Fourteen days after induction of sepsis, there were no differences in the PDHa or plasma lactate concentrations in septic rats compared with either control or sterile inflammation. Furthermore, the PDH kinase activity was decreased to values observed in control values. The results are consistent with the hypothesis that a reduced PDHa in skeletal muscle during sepsis is responsible, in part, for the hyperlactatemia characteristic of septic hypermetabolism. Furthermore, the results provide evidence that the decrease in PDHa results from a stable stimulation of PDH kinase activity.
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Joly V, Belmatoug N, Sibert A, Carbon C, Yeni P. Septic thrombophlebitis of the portal vein. Clin Infect Dis 1996; 23:417-8. [PMID: 8842302 DOI: 10.1093/clinids/23.2.417-a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
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Bourquelot P, Bouscary D, Paul G, Picard F, Varet B, Dreyfus F, Tulliez M. Hemophagocytic syndrome associated with Bacteroides fragilis infection in a patient with acute monoblastic leukemia. Leuk Lymphoma 1996; 22:177-9. [PMID: 8724546 DOI: 10.3109/10428199609051746] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The HS has been associated with malignant hemopathies. We report here a case of HS related to Bacteroides fragilis during the course of acute monoblastic leukemia. Evolution was fatal despite remission of the leukemia process and response of the infection to appropriate antibiotic therapy.
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Abstract
Pyomyositis is a bacterial infection with abscess formation affecting large skeletal muscles. It is predominantly caused by Staphylococcus aureus. The disease is common in tropical areas, but rare in temperate climates. We report a patient with multiple myeloma who developed a giant elastic tumor on the right thigh and a hen egg-sized tumor on the right upper arm. MR imaging revealed cystic spaces in the femoral quadriceps and brachial biceps muscles. A large amount of pus with foul smell was removed by incision, drainage and aspiration of the two tumors. The lesions were successfully treated with intravenous administration of antibiotics. Repeated bacterial cultures yielded only Bacteroids fragilis. To our knowledge, this is the first report of pyomyositis due to Bacteroides fragilis.
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Abstract
We report a 48-year-old woman who developed necrotizing groin fasciitis with insidious onset. Before she visited us, she had been unsuccessfully treated with several kinds of antibiotics by other doctors for one month, because of a small ulcer covered by blackish necrotic tissue. She was referred to us because of high fever, an ulcer on the left labium majus, and a cellulitis-like lesion with severe pain on the lower abdomen. Methicillin-resistant Staphylococcus aureus (MRSA), Streptococcus intermedius, and Bacteroides uniformis were isolated from the wound. After aggressive debridement on the eighth day after admission of the whole indurated area and the fascia of the underlying muscle, healthy granulation tissue covered the defect, and the wound was finally closed with a skin graft Long-term administration of antibiotics along with insufficient and delayed surgical treatment were considered to have caused the full development of this disease.
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Misago N, Tanaka T, Takeuchi M, Oka S. Necrotizing fasciitis in association with hyperimmunoglobulin E syndrome. J Dermatol 1995; 22:673-6. [PMID: 8537554 DOI: 10.1111/j.1346-8138.1995.tb03896.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
A case of necrotizing fasciitis in association with hyperimmunoglobulin E (HIE) syndrome is reported. The patient was a 17-year-old Japanese boy with a clinical history of recurrent skin and pulmonary infections and eczematoid dermatitis, markedly elevated serum levels of IgE, and coarse facies. He had a gangrenous swelling on the lower abdominal wall, and his general condition was poor with high fever. The involved site was accompanied by subcutaneous gas; the culture of the pus of the lesion grew anaerobes without mixed growth of Staphylococcus aureus. Exhaustive debridement of necrotic fascia, which extended much farther than the gangrenous area, and administration of antibiotics had a curative effect on the gangrenous soft tissue infection. To the best of the authors' knowledge, this is the first published case of necrotizing fasciitis in association with HIE syndrome.
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80
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Bilgrami S, Pesanti EL, Singh NT, Cobb RJ, Chen LL, Synnott V. Spinal cord compression due to anaerobic vertebral osteomyelitis in a patient with metastatic prostate cancer. Clin Infect Dis 1995; 21:457-8. [PMID: 8562773 DOI: 10.1093/clinids/21.2.457] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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81
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Hernández MV, Antonio del Olmo J, Orellana C, Mestres CA, Mũnoz-Gómez J. Monomelic hypertrophic osteoarthropathy secondary to aortic prosthesis infection. J Rheumatol Suppl 1995; 22:183-5. [PMID: 7699670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
We describe a case of hypertrophic osteoarthropathy (HOA), exclusively located in the left lower leg and secondary to vascular prosthesis infection. Four years before, the patient underwent aortofemoral bifurcation grafting because of a ruptured aortic aneurysm. The investigations revealed prosthesis infection by Pseudomona aeruginosa and Bacteroides thetaiotamicron. The onset of HOA in a patient with a vascular prosthesis can help to achieve an early diagnosis of graft infection. The literature on this uncommon association is reviewed.
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82
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Steuerwald M. [A case from practice (313). Liver abscess with Bacteroides fragilis sepsis--factitial hyperthyroidism--arterial hypertension--alcoholism]. PRAXIS 1994; 83:1422-1423. [PMID: 7801020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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83
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Ngan CC, Tan AL. Bacteroides fragilis meningitis. Singapore Med J 1994; 35:283-5. [PMID: 7997905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Bacteroides fragilis is an obligate anaerobic bacillus residing in the normal intestinal flora of the colon. Anaerobic bacterial meningitis due to this pathogen is rarely diagnosed and if present, a predisposing source of infection should be actively sought for. Anaerobic cultures of cerebrospinal fluids should be done for patients with meningitis, especially those with concomitant pathologies that predispose to anaerobic infections. Two cases of anaerobic meningitis due to Bacteroides fragilis, one associated with cholesteotoma and the other with nasopharyngeal carcinoma, are reported. Both were successfully treated with metronidazole.
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84
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Abstract
Two male patients with cystic fibrosis (CF), both 18 years old, developed frontal lobe brain abscesses. Both patients presented with histories of intermittent headache over several days and occasional vomiting. Headache was not more evident in the mornings and not associated with visual disturbance in either patient. Neither was hypertensive nor had visual disturbance. Both patients had documented pansinusitis and nasal polyposis. Both men had had few admissions for pulmonary exacerbations, and neither was significantly malnourished. The abscess in neither patient grew Pseudomonas species.
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85
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Hughes CE, Spear RK, Shinabarger CE, Tuna IC. Septic pulmonary emboli complicating mastoiditis: Lemierre's syndrome revisited. Clin Infect Dis 1994; 18:633-5. [PMID: 8038323 DOI: 10.1093/clinids/18.4.633] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Deep neck-space infections may cause potentially life-threatening complications of head and neck infections. Lateral pharyngeal space infections in particular predispose to development of suppurative jugular vein thrombosis, which may be associated with anaerobic bacteremia and septic pulmonary emboli (Lemierre's syndrome). We describe a case of Lemierre's syndrome, a very rare entity in the antibiotic era, complicating mastoiditis. Surgical debridement and drainage in conjunction with antibiotic therapy resulted in prompt improvement in the patient's condition.
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86
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Montravers P, Andremont A, Massias L, Carbon C. Investigation of the potential role of Enterococcus faecalis in the pathophysiology of experimental peritonitis. J Infect Dis 1994; 169:821-30. [PMID: 8133097 DOI: 10.1093/infdis/169.4.821] [Citation(s) in RCA: 57] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Two nonfatal models of peritonitis differing by the duration and the severity of the disease were studied in rats by implantation of Escherichia coli and Bacteroides fragilis with or without increasing concentrations of Enterococcus faecalis. Results were evaluated at 3 or 6 days after inoculation. The highest enterococcal concentrations (10(9) cfu/mL) enhanced the severity of the infection, evident by increased emaciation, increased peritoneal counts of E. coli and B. fragilis, and increased frequency of E. coli and B. fragilis bacteremia compared with enterococcus-free animals. Six therapeutic regimens (low-dose amoxicillin + low-dose gentamicin, high-dose amoxicillin + high-dose gentamicin, pefloxacin, ornidazole, pefloxacin + ornidazole, imipenem + gentamicin) were tested. All treatments failed to eradicate E. faecalis except the combination pefloxacin + ornidazole, which achieved a significant reduction of local bacterial counts and suppressed bacteremia. Enterococcus played an important role in the mechanisms of bacterial synergy in experimental peritonitis. However, eradication of enterococcus did not seem possible by conventional antienterococcal therapy.
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87
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Shinzato T, Saito A. A mechanism of pathogenicity of "Streptococcus milleri group" in pulmonary infection: synergy with an anaerobe. J Med Microbiol 1994; 40:118-23. [PMID: 8107060 DOI: 10.1099/00222615-40-2-118] [Citation(s) in RCA: 73] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
The relationship between Streptococcus constellatus, one of the species of the "Streptococcus milleri group", and Prevotella intermedia was studied in a model of pneumonia in mice and in vitro to elucidate mechanisms of pathogenicity in "S. milleri group"-associated pulmonary infection. Acute pneumonia with or without empyema and lung abscess in mice with mixed infection resulted in 60% mortality rate, but there was only 10% mortality and mild pneumonia in each separate infection. Bacterial clearance of organisms, especially S. constellatus, in mixed infection was delayed. Enhancement of growth of S. constellatus was demonstrated when cultured with P. intermedia; growth was also stimulated by a culture filtrate of P. intermedia which also inhibited bactericidal activity of human neutrophils. In an examination of infectivity and bacterial clearance of S. constellatus with P. intermedia culture filtrate in vivo, there was 20% mortality and delayed clearance of S. constellatus, although the infection was not as severe as that produced by the combination of both organisms. These results suggest that P. intermedia may act with S. constellatus in the production of pulmonary infections by stimulating its growth and suppressing bactericidal activity of the host.
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88
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Konstantopoulos K, Avlami A, Demarongona K, Sideris G, Rekoumi L, Stefanou J, Voskaridou E, Loukopoulos D. Bacteroides fragilis arthritis in a sickle cell-thalassaemia patient. SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES 1994; 26:495-7. [PMID: 7984987 DOI: 10.3109/00365549409008628] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Anaerobic arthritis due to Bacteroides fragilis was diagnosed in a 33-year-old patient with prolonged fever suffering from sickle cell/thalassaemia. The causative agent was isolated from blood and purulent synovial fluid from both knee joints. A combination of chloramphenicol plus metronidazole treatment proved effective. Anaerobic arthritis has not previously been described in patients with sickle cell disease, and may reflect the well-known susceptibility of these patients to pathogens.
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89
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Balmelli T, Stamm J, Dolina-Giudici M, Peduzzi R, Piffaretti-Yanez A, Balerna M. Bacteroides ureolyticus in men consulting for infertility. Andrologia 1994; 26:35-8. [PMID: 8185059 DOI: 10.1111/j.1439-0272.1994.tb00751.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
A screening of 3196 semen analyses performed in our clinic from January 1986 to December 1990 revealed 314 (9.8%) patients whose semen was infected with Bacteroides ureolyticus. Investigating the relationship between the presence of B. ureolyticus, the seminal microflora and the conventional semen parameters, we observed that the presence of this micro-organism in the semen was coupled (1) to an increased presence of Enterococcus species, (2) to an increased number of short-tailed spermatozoa and epithelial cells, and (3) to a decreased total fructose concentration (mg ejaculate-1). These results suggest that B. ureolyticus or its toxins may influence sperm morphology and function by yet unknown mechanisms and may also increase the number of epithelial cells by soft tissue infection in vivo. The decreased fructose levels suggest that this anaerobic micro-organism might specifically colonize the seminal vesicles, while the normal zinc values recorded suggest a normal prostatic function. Overall, our data support the hypothesis that the presence of B. ureolyticus is not associated with nongonococcal urethritis.
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90
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Vassallo DJ, Lovegrove JE, Owen-Smith M. Necrotising fasciitis of the leg as a complication of ischiorectal abscess. J ROY ARMY MED CORPS 1993; 139:63-5. [PMID: 8355239 DOI: 10.1136/jramc-139-02-09] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
This case report describes the rare complication of necrotising fasciitis of the right thigh and calf after drainage of an ischiorectal abscess. The important early symptoms and signs of this life threatening infection, and the need for urgent treatment with aggressive surgical debridement and broad spectrum antibiotics, are emphasised in order to facilitate early recognition and prompt initiation of the appropriate therapy in future cases.
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91
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Brook I. In vivo efficacies of quinolones and clindamycin for treatment of infections with Bacteroides fragilis and/or Escherichia coli in mice: correlation with in vitro susceptibilities. Antimicrob Agents Chemother 1993; 37:997-1000. [PMID: 8517727 PMCID: PMC187875 DOI: 10.1128/aac.37.5.997] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Therapy with ofloxacin, ciprofloxacin, and lomefloxacin (alone or in combination with clindamycin) and therapy with sparfloxacin, clinafloxacin, and temafloxacin alone were given to mice with subcutaneous abscesses. The abscesses were caused by two Bacteroides fragilis isolates, one of which was susceptible and one of which was resistant to ofloxacin, ciprofloxacin, and lomefloxacin, alone or in combination with Escherichia coli. The abscesses were examined 5 days after inoculation. Numbers of B. fragilis organisms reached log10 10.2 to 11.8 per abscess, and numbers of E. coli organisms reached log10 10.6 to 11.8 per abscess. All of the quinolones reduced the number of susceptible B. fragilis isolates (log10 3.6 to 6.9) and E. coli isolates (log10 5.7 to 6.8). However, ciprofloxacin and lomefloxacin failed to reduce the number of resistant B. fragilis organisms in single-organism or mixed infections. The addition of clindamycin to either ofloxacin, ciprofloxacin, or lomefloxacin reduced the numbers of both susceptible and resistant B. fragilis organisms (log10 3.8 to 7.8). In contrast, sparfloxacin, clinafloxacin, and temafloxacin were effective as single therapy in eradicating B. fragilis resistant to ofloxacin, ciprofloxacin, and lomefloxacin. These in vivo data confirm the in vitro activity of these quinolones and suggest that although ofloxacin, ciprofloxacin, and lomefloxacin are occasionally effective as single agents in eradicating mixed infection by susceptible strains of B. fragilis and E. coli, addition of an agent with activity against anaerobic organisms will ensure their efficacy. Quinolones with good efficacy against B. fragilis may be effective as single-agent therapy of mixed infections.
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92
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Couchoud C, Biron F, N'Guyen TC, Peyramond D. [Prevotellia bivia responsible of Lemierre syndrome]. Presse Med 1993; 22:550. [PMID: 8511084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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93
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Riera M, Salas A, Reina J, Villalonga C. [Bacteroides fragilis meningitis complicated with thrombosis of the lateral sinus]. Med Clin (Barc) 1993; 100:316. [PMID: 8464277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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94
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Klausen B, Apostolopoulos A, Stoltze K, Nörgaard F. Effect of LongoVital treatment on development of periodontal disease in rats. SCANDINAVIAN JOURNAL OF DENTAL RESEARCH 1993; 101:33-6. [PMID: 8382835 DOI: 10.1111/j.1600-0722.1993.tb01642.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
LongoVital is a herbal tablet with documented immunostimulatory effects in man. In the present study the effect of LongoVital on development of periodontal disease was investigated in a rat model. Fifty-four conventional rats, 5 wk old, were distributed into the following groups: A) untreated, uninfected; B) untreated, infected with Actinomyces viscosus and Porphyromonas gingivalis wk 8; C) treated with LongoVital 80 mg x 3/wk, wk 5-14, uninfected; D) treated with LongoVital 80 mg x 3/wk, wk 5-14, infected with A. viscosus and P. gingivalis wk 8; E) treated with LongoVital 200 mg x 1 in wk 8 and 80 mg wk 9-14, uninfected; F) infected with A. viscosus and P. gingivalis wk 8, subsequently treated with LongoVital 200 mg x 1 in wk 8 and 80 mg wk 9-14. All animals were killed when they were 15 wk old, and periodontal bone support was assessed radiographically. Statistically significant bone loss was found in untreated, infected rats, as compared with untreated, uninfected rats. In LongoVital-treated animals, no significant difference was seen in bone level between infected and uninfected rats. These results indicate that LongoVital-treated rats were protected against periodontal bone loss caused by infection with A. viscosus and P. gingivalis. Furthermore, the protection seemed effective both when LongoVital was administered prophylactically and after exposure to periodontal pathogens. The active components of LongoVital, as well as the mechanisms responsible for the protection, remain obscure.
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95
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Verweij WR, Namavar F, Schouten WF, Kostense PJ, Pellenkoft M, De Graaff J, MacClaren DM. In-vitro activity of peritoneal cells from rats after intra-abdominal infection with Bacteroides fragilis and Escherichia coli. J Med Microbiol 1993; 38:13-8. [PMID: 8380297 DOI: 10.1099/00222615-38-1-13] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Peritoneal cells from rats infected intraperitoneally with Escherichia coli and Bacteroides fragilis, alone or in combination were examined in vitro. Cells were harvested 6 h after implantation of fibrin clots infected with E. coli or B. fragilis, separately or containing both species, and assayed for their bactericidal capacities, chemiluminescence and production of cidal metabolites. Peritoneal cell populations from rats with implants of any of the infected clots showed similar distribution of different subpopulations. Bactericidal activity of peritoneal cells did not differ with the bacterial species used. Chemiluminescence values of peritoneal cells from rats with mono-infected B. fragilis or mixed-infected implanted clots, after stimulation with either particles or chemical stimuli, were significantly higher than those of rats with mono-infected E. coli or sterile clots. The same tendency was seen with regard to the production of cidal metabolites such as hydrogen peroxide and superoxide anions although no significant differences were found.
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96
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Quin JD, Gray HW, Baxter JN, Thomson JA. Thyroid abscess complicating subacute thyroiditis: a consequence of steroid therapy? Clin Endocrinol (Oxf) 1992; 37:570-1. [PMID: 1286528 DOI: 10.1111/j.1365-2265.1992.tb01490.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A patient with subacute thyroiditis developed a thyroid abscess after drainage of a pilonidal abscess. An infective focus in a patient with subacute thyroiditis on steroids should be treated aggressively with adequate antibiotic cover.
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97
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Pipitone S, Grillo R, Giudice G, Centineo G, Sperandeo V. [Involvement of the heart valves and great vessels in homozygote familial hypercholesterolemia]. GIORNALE ITALIANO DI CARDIOLOGIA 1992; 22:1225-32. [PMID: 1291417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Homozygous familial hypercholesterolaemia is characterized by cutaneous xanthoma development from infancy, precocious and accelerated atherosclerosis with clinical signs of ischemic heart disease and frequent involvement of left heart valves resulting in stenosis and/or incompetence. Two cases are described of this condition, both associated with aortic stenosis. In one case mitral incompetence and thromboembolic pulmonary hypertension were also found. The mitral valve is involved in the atherosclerotic process at the level of the cusps. These become thickened and stiff. Aortic stenosis is mainly due to atheromas infiltrating the Valsalva sinuses and the ascending aorta. Pulmonary hypertension, never reported before in this disease, is probably due to concomitant atheromatosis involving the pulmonary artery with secondary fatty embolism.
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98
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Erlich JH, Rosenfeld JV, Fuller A, Brown GV, Wodak J, Tress BP. Acute intramedullary spinal cord abscess: case report. SURGICAL NEUROLOGY 1992; 38:287-90. [PMID: 1440219 DOI: 10.1016/0090-3019(92)90043-m] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
We report the first case of an acute pyogenic intramedullary cervical spinal cord abscess, brain abscesses and meningitis due to an unusual anerobe, Bacteroides disiens. The importance of spinal magnetic resonance imaging for establishing the diagnosis is emphasized.
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99
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Mayberry-Carson KJ, Tober-Meyer B, Lambe DW, Costerton JW. Osteomyelitis experimentally induced with Bacteroides thetaiotaomicron and Staphylococcus epidermidis. Influence of a foreign-body implant. Clin Orthop Relat Res 1992:289-99. [PMID: 1611759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Experimental osteomyelitis was induced in the rabbit tibia with Staphylococcus epidermidis alone, with Bacteroides thetaiotaomicron alone, and with both bacteria as etiologic agents, in the presence or absence of a foreign-body implant. Animals were monitored by clinical observation and roentgenographic, microbiologic, histologic, immunofluorescent microscopic, and electron microscopic methods. Scanning and transmission electron microscopy showed masses of coccoid and rod-shaped bacteria embedded in a matrix of exopolysaccharide and adhered to bone, marrow, and the foreign-body implant (when present). Of the 58 rabbits receiving an implant, osteomyelitis developed in 48 (83%), and bacteria were recovered by culture from 56 (97%). Of the 31 animals without the implant, osteomyelitis developed in 18 (58%), but no bacteria were recovered by culture. Bacterial recovery appeared to be dependent on the presence of the implant. The rate of induction and the severity of osteomyelitis were enhanced by the presence of the foreign-body implant and by the polymicrobic infection.
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100
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Ashurmetov RI, Khoroshaev VA, Kasymov AK, Bazhenov LG. [The modelling of diffuse peritonitis]. Khirurgiia (Mosk) 1992:77-80. [PMID: 1447891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Peritonitis is still an urgent problem and its solution is determined to a great measure by purposeful studies in the field of pathogenesis and treatment. The creation of adequate models of peritonitis acquires particular significance. Eighty-four animals (dogs) were used to create the model. It is shown in the work that a standard model of generalized peritonitis can be produced by two injections of a polymicrobial suspension consisting of the most commonly encountered peritoneal microbes E. coli and B. fragilis. The suspension is injected into different levels of the abdominal cavity. With this method of administration of the polymicrobial suspension the model was reproduced in 90% of cases. Thus, the developed model resembles human peritonitis in the clinical picture and the laboratory and morphological values.
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