Cyanophyceae/Cyanobacteria in red mangrove forest at Mosquitos and Coqueiros estuaries, Säo Luís, State of Maranhäo, Brazil

This paper provides the results of a taxonomic survey of the Cyanophyceae/Cyanobacteria in a frenge red mangrove forest in the estuaries of Estreito dos Mosquitos and Coqueiros, Säo Luís, State of Maranhäo, Brazil. A total of 15 taxa were identified in 8 families, as follows: Synechoccaceae (2), Chroococcaceae (1), Hyellaceae (1), Xenococcaceae (1), Oscillatoriaceae (1), Scytonemataceae (2), Phormidiaceae (5) and Pseudanabaenaceae (2). The species listed in this paper are all new descriptions for Maranhäo, and one of them is a new ocurrence for Brazil.

Prediction of death using the Mannheim Peritonitis Index in oncologic patients

O Índice de Peritonite de Mannheim (MPI) é um sistema de escore idealizado para avaliar o prognóstico de pacientes com peritonite. Realizamos um estudo retrospectivo de oito anos dos prontuários de 89 pacientes com doença maligna e peritonite submetidos a cirurgia. O índice médio foi de 26.6 pontos (5-47), com sensibilidade de 87,3 por cento e especificidade de 41,2 por cento. A melhor acurácia (69,7 por cento) foi obtida com o escore de 21. Concluimos que o MPI foi um preditor de morte confiável em pacientes oncológicos com peritonite e pode ser de utilidade no planejamento e avaliação de futuras formas de tratamento nestes pacientes.

Measurement of gastric emptying of solid meal using scitigraphy with 99mTccoloidal sulfur and breath test with 14C-acid octanoic

The gastric emptying rate of solids was measures in 33 volunteers (19 female 14 male, mean age 38.2 (24-74) years) by scintigraphy and 14-C-octanoic acid breattest. Eleven participants were normal controls, 11 had functional dyspepsia, 5 patients were diabetic and 6 patients had pyloric stenosis due to peptic ulcer. Methods: The test meal consisted of an omelet labeled with 99mTc-sulfur colloid and 14C-octanoic acid for scitigraphy and breath tes, respectively. Radioscintigraphic scans were obtained every 15 min for a period of 150 min and breath samples were taken every 15 min for a period of 4 hours. Reults: the half gastric emptying time (t1/2) and lag phase (tlag) in diabetica and dyspeptic volunteers measured by scintigraphy and breath tes showed higher values than in controls. Two out 6 patients with pyloric stenosis showed gastric emptying rate delayed when compared with controls. There was a positive and significant (p<0.0001) correlation between the t1/2 determined by scintigraphy and breath test. Conclusions: 14C-octanoic acid breath test is a reliable and sensitive method that can be used as an alternative procedure to measure gastric emptying rat of solids