Motilidade esofagiana: ensaio iconográfico sobre cintilografia dinâmica do esôfago

Abstract

This study is an interesting selection of esophageal dynamic images and respective activity/time curves to demonstrate motility ranging from normal to the opposite extreme (advanced-stage achalasia). The technique employed was: 4-hour fast, with restriction of smoking, alcohol and caffeine products; anterior 0.5-second imaging during 2 minutes, covering the region from the mouth to the gastric fundus, followed by a planar 20-second image from the same region (normal transit time: < 10 seconds). The collection is based on a twenty-year experience employing a systematization including several parameters, which is able to discriminate patients with normal total esophageal transit time independently of symptoms.Motilidade esofagiana: ensaio iconográfico sobre cintilografia dinâmica do esôfago. Este trabalho é uma seleção interessante de imagens dinâmicas do esôfago e de curvas de atividade/tempo, variando da motilidade normal até o extremo oposto, a acalásia em estado avançado. A técnica é a usual: quatro horas de jejum, com restrição de fumo, álcool e cafeína; incidência anterior; imagens de 0,5 segundo durante dois minutos, região da boca ao fundo gástrico, seguida de imagem plana de 20 segundos da mesma região (tempo de trânsito normal: < 10 segundos). A coletânea é baseada em vinte anos de experiência empregando uma sistematização com vários parâmetros de análise que permite discriminar pacientes com tempo total de trânsito normal. AbstractResumo

Um novo método de avaliação do "tempo esofágico" com ultra-sonografia por abordagem externa

“…Radioscopy and scintigraphy are the methods indicated for evaluating the INTRODUCTION Over the last decades, huge development in medicine have led to the introduction of increasingly complex imaging methods which, however, are hardly accessible by the general population because of the high costs involved in the utilization of these techniques. Imaging methods such as chest radiography have been routinely performed in hospitals and, considering the high incidence of normal results (70% (1) to esophageal transit (9)(10)(11) . However, these methods involve either a higher or lower degree of radiation exposure to the patients, despite routine implementation of quality control and guarantee systems (12) .…”

Avaliação do tempo de trânsito esofágico pelo ultrassom: influência do gênero e índice de massa corpórea

“…The ETT could be determined in both men and women, with the aid of a stopwatch started at the moment the deglutition of water or yogurt was initiated, until the substance passage was visualized through the intra-abdominal esophagus (10) . The sonographic evaluation of the thoracic esophagus by external approach is impaired by the access difficulty, both through the anterior and posterior mediastina because of the presence of air in the lungs and bone tissue in the dorsal spine through which sound waves cannot appropriately propagate (11) . The cervical esophagus can be sonographically evaluated, considering its lateral location in relation to the trachea, and because of its proximity to the surface and interposition of soft tissue such as the left thyroid lobe (12) .…”