Intrapleural distribution of a liquid bolus let in the costophrenic sinus

Luciano Zocchi, Pier Giuseppe Agostoni, Emilio Agostoni, Corrisp E. Agostoni

Research output: Contribution to journalArticle

Abstract

Intrapleural distribution of a dye bolus (0.4-0.6 ml, once 1 ml) let in through a cannula in the 10th right intercostal space (ics) was studied in anesthetised, breathing (N = 6) and apneic (N = 5) dogs in the left lateral posture. Rapid movements of the dye were detected through «windows» of endothoracic fascia in the 8th and 6th ics; overall distribution of the dye was assessed at autopsy 12 to 25 min after its entrance. In all dogs dye moved first to the caudal border of the lung following the direction of the diaphragmatic fibers, rather than the shortest route. Then dye moved along the caudal border of the lung mainly ventrally, reaching occasionally the ventral tip of the middle lobe. In some breathing dogs dye reached the «window» in 8th ics within few sec. In all but one breathing dogs dye reached also the margin between the middle and caudal lobe. No other parts of the visceral and corresponding parietal pleura were stained. Distribution pattern was not systematically different after 12 or 25 min. These findings validate the hypothesis that a small liquid bolus let in the pleural space is drawn to the lobar edges (Agostoni and D'Angelo, 1969).

Original languageEnglish
Pages (from-to)51-58
Number of pages8
JournalRendiconti Lincei
Volume4
Issue number1
DOIs
Publication statusPublished - Mar 1993

Fingerprint

sinuses
dyes
dye
Coloring Agents
Dyes
liquid
liquids
Liquids
Dogs
breathing
Respiration
dogs
lungs
pleura
fascia
Lung
Pleura
posture
Fascia
cannulas

Keywords

  • Lobar edge deformation
  • Pleural liquid pressure
  • Speed of bolus movements

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Intrapleural distribution of a liquid bolus let in the costophrenic sinus. / Zocchi, Luciano; Agostoni, Pier Giuseppe; Agostoni, Emilio; Agostoni, Corrisp E.

In: Rendiconti Lincei, Vol. 4, No. 1, 03.1993, p. 51-58.

Research output: Contribution to journalArticle

Zocchi, Luciano ; Agostoni, Pier Giuseppe ; Agostoni, Emilio ; Agostoni, Corrisp E. / Intrapleural distribution of a liquid bolus let in the costophrenic sinus. In: Rendiconti Lincei. 1993 ; Vol. 4, No. 1. pp. 51-58.
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