Results: 165

Placental weight and birth weight to placental weight ratio in monochorionic and dichorionic growth-restricted and non-growth-restricted twins

Clinics; 72 (5), 2017
OBJECTIVE: The aim of the present study was to compare the placental weight and birth weight/placental weight ratio for intrauterine growth-restricted and non-intrauterine growth-restricted monochorionic and dichorionic twins. METHODS: This was a retrospective analysis of placentas from twin pregnancies...

Estudo do coeficiente de asfericidade e aberração esférica longitudinal da superfície corneana

Rev. bras. oftalmol; 76 (2), 2017
Resumo Objetivo: Correlacionar o coeficiente de asfericidade com a aberração esférica longitudinal na superfície corneana, correlacionando também cada uma dessas variáveis com a ceratometria média Métodos: Realizou-se um estudo observacional através da coleta de dados pré-operatórios nos pro...

Comparisons of choroidal nevus measurements obtained using 10- and 20-MHz ultrasound and spectral domain optical coherence tomography

Arq. bras. oftalmol; 80 (2), 2017
ABSTRACT Purpose: To compare measurements of lesions clinically diagnosed as choroidal nevi using spectral domain optical coherence tomography (SD-OCT) and 10- and 20-MHz ultrasound (US). Methods: This prospective study, which was conducted between May 2011 and December 2011, evaluated eyes diagnosed w...

Does insulin resistance increase thyroid volume in patients with polycystic ovary syndrome?

ABSTRACT Objective To investigate the effect of gonadotropin, sex hormone levels and insulin resistance (IR) on thyroid functions and thyroid volume (TV) in polycystic ovary syndrome (PCOS). Subjects and methods 69 new diagnosed PCOS patients (age 24.82 ± 6.17) and 56 healthy control female (age 26....

Preoperative computed tomography volumetry and graft weight estimation in adult living donor liver transplantation

ABCD (São Paulo, Impr.); 30 (1), 2017
ABSTRACT Background: Computed tomography volumetry (CTV) is a useful tool for predicting graft weights (GW) for living donor liver transplantation (LDLT). Few studies have examined the correlation between CTV and GW in normal liver parenchyma. Aim: To analyze the correlation between CTV and GW in an ad...

Trypanosoma evansi (Kinetoplastida: Trypanosomatidae) in capybaras ( Hydrochoerus hydrochaeris ): prevalence, effect and sexual selection

Rev. biol. trop; 65 (1), 2017
AbstractParasites play a crucial role in the ecology of animals. They also appear to be important in mechanisms underlying sexual selection processes. In this article we study the prevalence, effect and potential role in sexual selection of the protozoon Trypanosoma evansi in capybaras, Hydrochoerus hydr...

Left Atrial Deformation Analysis in Patients with Corrected Tetralogy of Fallot by 3D Speckle-Tracking Echocardiography (from the MAGYAR-Path Study)

Arq. bras. cardiol; 108 (2), 2017
Abstract Background: Three-dimensional (3D) echocardiography coupled with speckle-tracking echocardiographic (STE) capability is a novel methodology which has been demontrated to be useful for the assessment of left atrial (LA) volumes and functional properties. There is increased scientific interest on...

The percentage of resected and ischemic volume determined by a geometric model is a significant predictor of renal functional change after partial nephrectomy

Int. braz. j. urol; 43 (1), 2017
ABSTRACT Purpose The percentage of parenchyma preserved plays a predominant role in predicting renal function after partial nephrectomy (PN). Currently there is no standard method to estimate preserved renal parenchyma. In this study we propose a formula of the percentage of resected and ischemic volum...

Musk gland seasonal development and musk secretion are regulated by the testis in muskrat (Ondatra zibethicus)

Biol. Res; 50 (), 2017
BACKGROUND: The muskrat is a seasonal breeder. Males secrete musk to attract females during the breeding season. The testosterone binding to the androgen receptor (AR) in musk glands of muskrat may play an important role conducting the musk secretion process. METHODS: The musk gland, testis and blood sam...

Functional Effects of Hyperthyroidism on Cardiac Papillary Muscle in Rats

Arq. bras. cardiol; 107 (6), 2016
Abstract Background: Hyperthyroidism is currently recognized to affect the cardiovascular system, leading to a series of molecular and functional changes. However, little is known about the functional influence of hyperthyroidism in the regulation of cytoplasmic calcium and on the sodium/calcium exchang...