Prevention of postoperative tooth sensitivity: a preliminary clinical trial.

The purpose of this study was to evaluate clinically the effects of pre-treatments with a 35% hydroxyethyl metacrylate/5% glutaraldehyde dentine desensitizer (Gluma Desensitizer) and a 2% chlorexidine-based cavity disinfectant (Cav-Clean) on postoperative sensitivity. Three premolar teeth with no pain symptoms were selected from each one of 17 patients, totalling 51 teeth, for which Class II restoration using a composite was indicated. Each one of the three premolar teeth of the same patient was submitted to a different treatment.

Inflammatory cell infiltrate and RANKL/OPG expression in rheumatoid synovium: comparison with other inflammatory arthropathies and correlation with outcome.

Objectives: To evaluate if the immunofluorescence analysis of synovial tissue (ST) using antibodies against RANKL/OPG, conjugated with the immunophenotyping of lymphocytes and macrophages, could be of diagnostic and prognostic value in rheumatoid arthritis (RA) patients.

Methods: 3-year prospective study of 103 consecutive patients submitted to closed needle biopsy for diagnostic purposes. ST was analyzed with routine histologic techniques and immunofluorescence, using monoclonal antibodies against RANKL, OPG, CD163, CD68, CD4, CD8, interferon-gamma and CD19.

Upper gastrointestinal bleeding in a Brazilian hospital: a retrospective study of endoscopic records.

Background: Upper gastrointestinal bleeding is a frequent and potentially severe complication of most digestive diseases of the upper gastrointestinal tract. Upper endoscopy has a crucial role in the diagnosis and treatment of upper gastrointestinal bleeding, however epidemiological studies are still limited in our country. Aims - To assess the clinical characteristics, endoscopic accuracy, treatment efficiency and clinical outcome of patients admitted to the endoscopic unit with upper gastrointestinal bleeding.

Alkaloids of Erythroxylum (Erythroxylaceae) species from Southern Brazil.

A new alkaloid identified as 3beta,6beta-ditigloyloxynortropane as 3beta,7beta-ditigloyloxynortropane, 4-hydroxyhygrinic acid, methylecgonidine and tropacocaine have been isolated from the leaves of Erythroxylum argentinum. The new structure was established by means of spectroscopic techniques. Four other species E.

Successful one-stage resection of intravenous leiomyomatosis of the uterus with extension into the heart.

Intravenous leiomyomatosis of the uterus is a rare neoplasm characterized by nodular masses of benign smooth muscles with intraluminal growth to the inferior vena cava and, in some cases, to the heart. It may cause abdominal and cardiovascular symptoms and is a serious risk of death when it reaches the tricuspid valve. Surgery is the best treatment and must be applied as soon as possible using cardiopulmonary bypass.

Staff evaluation of a high-risk pregnancy program.

A southeastern state implemented a multidisciplinary health care program for Medicaid eligible, medically high-risk pregnant women and their infants as part of a statewide effort to reduce perinatal morbidity and mortality. The purpose of this study was to obtain the staff's evaluation of this high-risk-pregnancy program. Clinical, supervisory, and clerical staff (N = 182) completed a questionnaire about the operation of the program and its perceived benefits.

[Multicenter study of isolated micro-organisms resistant to antimicrobials in 10 Portuguese hospitals in 1994].

In 1994, Microbiology Laboratories of ten Portuguese hospitals analysed isolated microorganisms found in blood and urine samples and studied antimicrobial susceptibilities of the most frequent bacterial pathogens. From 63780 blood samples, the most frequent were Staphylococcus spp. and from 69189 urine samples significant numbers of Escherichia coli, Enterococcus spp.