Is labial salivary gland biopsy useful?
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Biomedical subjects
Publications and source records attributed to B Becq-Giraudon.
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OBJECTIVES: The aim of this study was to assess the prevalence of penicillin-nonsusceptible pneumococcus (PNSP) infections and their clinical and microbiological features among an adult population hospitalized at the Poitiers University Hospital. PATIENTS AND METHODS: A prospective study was conducted between November 1994 and October 1995 and included all pneumococcus infections. RESULTS: Fifty-three adults with one pneumococcal strain were included. The overall rate of PNSP strains was 28%. Infections with PNSP strains were more resistant than penicillin-susceptible pneumococcus to other antibiotics. The most frequent infection was pneumonia (36 infections, 28% PNSP). DISCUSSION: The rate of PNSP in pneumococcal infections was the same in the Poitiers University Hospital as in national surveys in France. The high percentage of multiresistant strains (86.5%) limit the use of antibiotics other than beta-lactams. Surveys of pneumococcal resistance to antibiotics are needed to adapt antibiotic strategies to the local epidemiological situation.
Herpes simplex virus type 2 (HSV-2) is more often sexually transmitted and associated with genital recurrent infection. However, HSV-2 neurological manifestations such as meningitis were already reported. We describe a case of meningitis due to HSV-2, preceded by signs suggesting a common cystitis, in a woman with no history of primary or recurrent genital infection. Six months later genital herpetic lesions occurred. One HSV-2 strain was obtained from cerebrospinal fluid (CSF) and another from genital lesions. The molecular comparative analysis using restriction endonuclease digestion patterns showed the similarity of the two strains. Our report illustrates that HSV-2 infections are underdiagnosed and that molecular techniques can be of value in clarifying the physiopathology of HSV diseases.
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INTRODUCTION: RS3PE syndrome (remittive symmetrical seronegative synovitis with pitting edema) was first described by MacCarthy in 1985. It is a rare type of seronegative polyarthritis occurring in the elderly. METHODS: Retrospective report of 13 cases (including eight male and five female patients; mean age 76.7 +/- 3.7 years) and search for previously reported cases, using the Medline database. RESULTS: Pitting edema was present at onset of disease in nine cases. Joint arthritis was bilateral, occurring in the wrist (13 cases), shoulder (six cases), elbow (six cases), knee (six cases), ankle (four cases), metacarpophalangeal (four cases) and hip (one case). Radiographies were normal. Mean erythrocyte sedimentation rate was 62 +/- 19 mm at the first hour and mean C-reactive protein level was 73 +/- 35 mg/L. Mild cholestasis was present in four of the seven patients for whom data were available. HLA B7 was present in five out of 12 cases (42%). Improvement was favorable, occurring over 7 months. Mean follow-up was 22.2 months. Fifty-nine other cases have been described in the literature. This syndrome, which affects the elderly, appears to be rare. Its clinical presentation is quite constant, with sudden onset, symmetrical polyarthritis and pitting edema. Its evolution, often long, is favorable. Rheumatoid arthritis and polymyalgia rheumatica are the main differential diagnoses. CONCLUSION: Due to its favorable outcome and the usefulness of a mild corticotherapy, this syndrome, though rare, should be diagnosed where necessary in elderly patients.
INTRODUCTION: Current recrudescence of human tuberculosis is ascribed to HIV. Nevertheless, other at-risk individuals, particularly the elderly, have been reported. METHODS: A retrospective study aimed at defining distinctive features of tuberculosis in the elderly was conducted. Eighty-two records of patients aged 18 to 64 years were compared to those of 58 patients of 65 years of age and over. RESULTS: In the French area considered in this study, the elderly represent the most at-risk group. Institutionalization is a significant risk factor for tuberculosis (RR = 4). Despite a past history of tuberculosis and public awareness campaigns, first-intent diagnosis was evoked in only 22% of the older patients. The mean number of infectious localizations was higher in the elderly (1.3/patient) than in younger patients (1.1/patient). Results of tuberculin skin tests are unreliable. Prognosis is poor in the elderly. In the present study, 14 of the 18 encountered deaths occurred in the elderly, of which eight were due to tuberculosis. CONCLUSION: To decrease the current incidence of tuberculosis, evaluations of preventive measures in the elderly should be validated and implemented, especially in institutionalized patients.
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Seventy-two cases of primary Sjögren's syndrome, according to the European classification criteria, were studied looking for a correlation between anatomic criteria and clinico-biological signs in this disease. Labial salivary gland biopsy was performed in all patients and anatomic criteria were evaluated according to both Chisholm and Chomette scales. Work-up included recording of functional and clinical signs. Our study shows no clinico-histological correlation in Sjögren's syndrome. Moreover, we did not find any correlation between the two histological scales. We think, therefore, that labial salivary gland biopsy appears to be an important step in Sjögren's syndrome diagnosis according to European criteria. However, it does not present any benefit in patient treatment.
We deal with the second reported case of chronic meningococcaemia in which the culture of skin biopsy led to the diagnosis. A 46-year-old man presented a history of recurrent fever and rash. Laboratory studies revealed an inflammatory syndrome. Serologic tests as well as blood culture tests were negative. The histological examination of skin lesions revealed a perivascular infiltrate in the dermis without any picture of leukocytoclastic vasculitis. A culture of skin specimen tested positive for Neisseria meningitidis (N. meningitidis). After a week of antibiotic treatment, the patient recovered with no recurrence of either fever or rash over a two year period.
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Systemic lupus erythematosus is uncommon in elderly individuals. A 72-year-old woman developed parvovirus B19 infection followed by a systemic lupus erythematosus-like syndrome with persistent thrombocytopenia and Raynanud's phenomenon. Few cases of systemic lupus erythematosus after parvovirus B19 infection have been reported, and none had thrombocytopenia.
Sometimes therapeutic needs to tap drugs side effects of a treatment to show new indications for those drugs. Antibiotics, which are somewhat some often-used drugs, are frequently prescribed in non-infectious pathologies. Some indications are reported in the literature: immunosuppressive or antiinflammatory (disulone, salazopyrine, cotrimoxazole, clofazimine, fusidique acid), small bowel prokinetic action (macrolides), endocrine effects (déméclocycline, kétoconazole), enzymatic effects (rifampicine, cyclines), sclerotherapy (cyclines), pro- or anti-tumoral effects. This incomplete list is growing up every days.
A case of disseminated infection due to Nocardia nova with subcutaneous popliteal and retrosternal abscesses and lung involvement in an immunocompromised patient is reported. The patient did not respond to sulfonamide therapy. Clinical recovery was obtained upon treatment with imipenem then clarithromycin. Western blot studies revealed an antibody response to a known Nocardia-specific 55-kDa antigen in four successive sera samples collected in the period from the time of admission to seven months later. The resolution of the disseminated nocardiosis and efficacy of the clarithromycin treatment were assessed on the basis of disappearance of the antibodies to the 55-kDa antigen, without invasive sampling.
Differential diagnosis between infective endocarditis and septicemia without endocarditis remains a crucial clinical difficulty. Value of immunological data during those pathologies has been evaluated in a 2 year prospective study. Sixty-one patients, admitted in an internal medicine and infectious diseases unit for a documented infectious disease, were included. They were separated in three groups: group I (n = 21): demonstrated infective endocarditis; group II (n = 19): septicemia without endocarditis and group III (n = 21): non septicemic well-defined infectious disease. Following parameters were studied: immune circulating complexes, C reactive protein, erythrocyte sedimentation rate, fibrinogen, rheumatoid factor, antinuclear antibodies, Treponema pallidum serodiagnostic and cryoglobulinemia. There were no differences between the three studied groups. In particular, immune circulating complexes were present in respectively 67%, 58% and 62% of the patients of the three groups. So, presence or absence of immunologic abnormalities does not provide help for diagnosis of endocarditis in a febrile patient.
The authors report the case of a woman affected by disseminated infection caused by Mycobacterium bovis, without risk exposure and immunodeficiency. There were chest and urinary localisations and bacteremia. Usually, M bovis is responsible of chest tuberculosis, in patients with professional exposure. Disseminated forms usually affect patients with immunodeficiency. Bacteria may be responsible of about 1% of tuberculosis, but real frequency is not known, because of its non specific report.
The aim of this study was to determine if evolution of fever after administration of indomethacin to febrile patients could separate those with fever of infectious origin from those with non-infectious origin. All patients with a rectal body temperature superior than 38 degrees C for at last 5 days and without any antibiotic or antipyretic therapy for more than 48 hours, were included in a 1 year prospective study. Each patient received one time 50 mg of indomethacin and rectal body temperature was obtained every 3 hours for 12 hours. Forty-five patients were included, 20 in group I (fever of infectious origin) and 25 in group II (fever of non-infectious origin). The mean age and mean initial body temperature were similar in the two groups. After administration of indomethacin, mean duration and mean amplitude of abatement of fever were similar in the two groups. Hypothermia was observed more frequently in group II (28%) than in group I (10%) (p < 0,05) and was preferentially associated to a malignant lymphoma. Also, diagnostic procedure with indomethacin is of little interest to separate fever of infectious origin from other, but hypothermia would suggest a fever due to a malignant lymphoma.
Ten patients with neurological complications (NC) among a retrospective series of 53 consecutive cases of infective endocarditis were studied: 6 males and 4 females, mean age 60 years. NC were present at admission in 6 cases: 2 generalized seizures, 4 strokes, associated with 2 meningeal syndromes. Four cases of NC occurred during hospitalization: 1 stroke with come, 1 transient ischaemic attack, 2 generalized seizures. Blood cultures were positive in 7 cases: 6 group D Streptococci, 1 Gram negative bacillus. Five digestive portal of entry were identified. Cerebrospinal fluid was purulent in 1 patient, aseptic in 1, haemorragic in 2, and normal in 1. Cranial computed tomography revealed: infarct in 4 cases, brain abscess in 1 case, absence of abnormality in 1 case. There was no angiographic documentation. Antimicrobial therapy was maintained 5 to 6 weeks. Two patients underwent cardiac surgery. Two patients died of subarachnoid haemorrage. Comparison of patients with NC, and the 43 without NC, revealed two different point: vegetations were more frequent in the NC (8 cases out of 10) than without NC (19 cases out of 43) (p = 0.04). Streptoccus was often more found in NC (6 cases out of 6) than without NC (6 cases out of 24) (p < 0.01). Compared with the previously reported studies, where Staphylococcus was usually described, our results showed a higher frequency of Streptococcus D bovis, an older age, a higher frequency of stroke and digestive portal of entry. Vegetations were more frequent with NC than without.