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Bitte verwenden Sie diesen Link, wenn Sie dieses Dokument zitieren oder verlinken wollen: https://nbn-resolving.org/urn:nbn:de:gbv:9-opus-30892

Methods of Administering Superimposed High-Frequency Jet Ventilation and the Associated Risk for Aspiration in a Model of Tracheal Bleeding

  • Background: To determine the suitability of different superimposed high-frequency jet ventilation (SHFJV) application methods during tracheal bleeding. Objective: To determine the effect of SHFJV on the aspiration of blood during tracheal bleeding. Methods: A test lung was ventilated using SHFJV via a rigid endoscope, a jet laryngoscope and a 4-lumen jet catheter. Packed red blood cells (PRBCs) were injected into the artificial trachea caudally to the rigid endoscope and jet laryngoscope ventilation, and both caudally and cranially during ventilation via the 4-lumen jet catheter, and the migration of PRBCs during ventilation was studied using continuous video recording. Results: Migration of blood into the lower respiratory tract did not occur during SHFJV via the rigid endoscope and jet laryngoscope and via the 4-lumen jet catheter with the bleeding caudal to ventilation source. If the bleeding was cranial to the 4-lumen jet catheter ventilation, migration of blood into the lower respiratory tract was seen when reflux of blood reached the entrainment area. From this area, blood is transported within the jet stream into the lower respiratory tract. Conclusions: SHFJV protects the lower respiratory tract from blood aspiration in case of tracheal bleeding. During SHFJV via the 4-lumen jet catheter, aspiration of blood only occurs if bleeding is localized cranial to the 4-lumen jet catheter ventilation. In case of heavy tracheal bleeding, the jet sources should be positioned cranial to the site of bleeding.

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Metadaten
Author: Andreas Nowak, Taras Usichenko, Michael Wendt, Eckart Klemm
URN:urn:nbn:de:gbv:9-opus-30892
DOI:https://doi.org/10.1159/000343561
ISSN:0025-7931
ISSN:1423-0356
Pubmed Id:https://pubmed.ncbi.nlm.nih.gov/23107666
Parent Title (English):Respiration
Publisher:S. Karger AG
Place of publication:Basel, Switzerland
Document Type:Article
Language:English
Date of first Publication:2012/10/26
Release Date:2020/09/29
Tag:Aspiration; Bleeding; Jet ventilation; Tracheal surgery
GND Keyword:-
Volume:85
Issue:1
First Page:59
Last Page:63
Faculties:Universitätsmedizin / Klinik für Anästhesiologie und Intensivmedizin
Licence (German):License LogoUrheberrechtlich geschützt