Oesophageal transit of a radionuclide solid bolus in normals
| Autor: | John S. Svedberg, Gerhard Kjellén |
|---|---|
| Rok vydání: | 1983 |
| Předmět: |
Adult
Male Supine position Time Factors Pertechnetate Physiology Posture Transit time chemistry.chemical_compound Bolus (medicine) Esophagus Medicine Humans In patient Radionuclide Imaging Aged Sodium Pertechnetate Tc 99m Constant velocity business.industry digestive oral and skin physiology Technetium General Medicine Anatomy Middle Aged chemistry Gelatin Female Nuclear medicine business |
| Zdroj: | Clinical physiology (Oxford, England). 3(1) |
| ISSN: | 0144-5979 |
| Popis: | Summary. The purpose of this study was to evaluate the physiological transit pattern of a compact bolus through the oesophagus in normal subjects. A standard gelatine bolus labelled with 99mTechnetium pertechnetate was swallowed in the erect and the supine positions and traced by a gamma-camera in 20 subjects. In the erect position, the mean overall transit time was 5·5 ± 1·1 s (SD) which differed significantly (P< 0·001) from the longer mean overall transit time of 6·9 ± 1·4 s (SD) in the supine position. The transit patterns differed between erect and supine positions. In the erect position, the bolus travelled at a constant velocity until the most distal part of the oesophagus where a slight retardation of the velocity occurred, whilst in the supine position, a uniform retardation of the velocity was seen which was slightly accentuated in the most distal part. The present data provide a basis for the evaluation of studies on the bolus transport in patients with suspected oesophageal dysfunction. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Plný text