Surfactant and temperature as forcing functions on the growth of Egeria densa and Chara sp.: a modeling approach.

The wide use of detergents combined with rising water temperature is currently issuing of environmental concern. To evaluate the effect of sodium dodecyl sulfate (SDS) and temperature on macrophyte and talophyte growth, bioassays were conducted with distinct SDS concentrations (0.5 and 8.

[Effects of physical exercise on cardiovascular risk and quality of life in hypertensive elderly people].

The scope of this article is to evaluate the effects of a mixed protocol of physical exercises on cardiovascular risk (CVR), quality of life and the presence of depressive symptoms in elderly hypertensive patients. It involved a longitudinal, prospective and quasi-experimental study with 48 elderly individuals. A physical exercise protocol was developed for 16 weeks according to American College of Sports Medicine, and anthropometric variables (weight, height, body mass index and waist circumference), as well as biochemical variables (total cholesterol, LDL-c, HDL-c; triglycerides) were evaluated.

Analysis of Test-Retest Reliability, Construct Validity, and Internal Consistency of the Brazilian Version of the Pelvic Girdle Questionnaire.

Objective: The purpose of this study was to evaluate test-retest reliability, construct validity, and internal consistency of the Brazilian version of the Pelvic Girdle Questionnaire (PGQ-Brazil).

Methods: Analysis of the measurement properties was carried out in 4 steps. Step 1 was the pilot study, on which basis 4 hypotheses were formulated.

Analysis of the Construct Validity and Internal Consistency of the State-Trait Anxiety Inventory (STAI) State-Anxiety (S-Anxiety) Scale for Pregnant Women during Labor.

 To analyze the internal consistency and the construct validity of the State-Trait Anxiety Inventory (STAI) State-Anxiety (S-Anxiety) scale for pregnant women during labor.  A study of measurement property including 150 pregnant women aged between 15 and 45 years old, during the first period of labor and with term pregnancies. The questionnaire used was the STAI S-Anxiety scale.

Metabolic changes in four beat gaited horses after field marcha simulation.

Reasons For Performing Study: Mangalarga-Marchador is a popular 4-gaited Brazilian horse breed; however, there is little information about their metabolic and physiological response to exercise.

Objectives: To measure physiological and metabolic responses of the Mangalarga-Marchador to a simulated marcha field test and to compare these responses between 2 types of marcha gaits (picada and batida).

Methods: Thirteen horses were used in the study and randomly assigned to either the picada or batida gait for the simulated marcha field test (speed ∼ 3.

[Obesity: a plural perspective].

Obesity is a disease characterized by the excessive accumulation of corporal fat, which produces deleterious effects to the health. There is consent in the literature that its etiology is multi-factorial, involving biological, historical, ecological, political, social-economical, psychosocial and cultural aspects. In that sense, this article's objective is to talk about the multi-factorial character of obesity, involving the wide variety of environmental and genetic factors implicated in its etiology, starting from secondary studies of literature revision in the main bases of data and specialized libraries.

[Intraventricular meningitis as a complication of purulent meningitis. A case report].

Report of a case of intraventricular hematoma as purulent meningitis complication in a child of 6 months old, without vascular malformation. The evolution was satisfactory after the surgical treatment.

[Meningioma of the posterior fossa with extracranial expansion in a child: report of a case].

A case of posterior fossa meningeoma with extracranial projection in a three years old female child is reported. The rarity of the process, its localization and the age group committed are emphasized. The radiological findings first suggesting an aneurismatic bone cyst like are commented.

[Medullary schistosomal granuloma: report of a case].

A case of Schistosomotic granuloma of the spinal cord in a 34 years old man with a primary diagnostic of spinal cord tumor is reported. The diagnostic conditions, the complementary examinations and endemic aspects are commented. The surgical treatment and the results are comparized with literature data.

[Intradiploic dermoid cyst of the skull: report of a case].

A case of intradiploic dermoid cyst of the skull in a female child with seizures is reported. The authors emphasize diagnostic aspects and the surgical procedure. The characteristics of the tumor were cleared at the surgical procedure, and its nature was confirmed by histological examination.

[Ectopic meningioma of the calvarium: report of a case].

A case of calvarial meningeoma in a 42 year old female is reported. Arising from the inner table of the skull, it projected a extracranial mass without neurological simptomatology. The surgical procedure give good results.

[Intraventricular meningioma. Report of a case].

A case of meningeoma located at the right lateral ventricle is reported. The tumor was successfully removed by surgery. The authors justified this report by the infrequency of the pathology.