Perforated flexible catheters improve joint fluid aspiration in shoulder cadavers

Abstract A fluoroscopically controlled anterior approach in supine position is often used for arthrocentesis of the shoulder, but can lead to a high rate of dry aspirations. The aim of this study was to compare the aspiration performance of rigid needles and flexible catheters used with this approac...

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Autores principales:	Andreas Hecker, Manuel Waltenspül, Lukas Ernstbrunner, Reto Sutter, Karl Wieser, Samy Bouaicha
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/083e57450c504fbdb58e83e0cf8e0a41
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spelling	oai:doaj.org-article:083e57450c504fbdb58e83e0cf8e0a412021-11-14T12:19:37ZPerforated flexible catheters improve joint fluid aspiration in shoulder cadavers10.1038/s41598-021-01613-82045-2322https://doaj.org/article/083e57450c504fbdb58e83e0cf8e0a412021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-01613-8https://doaj.org/toc/2045-2322Abstract A fluoroscopically controlled anterior approach in supine position is often used for arthrocentesis of the shoulder, but can lead to a high rate of dry aspirations. The aim of this study was to compare the aspiration performance of rigid needles and flexible catheters used with this approach. We hypothesized that a flexible catheter can significantly improve the amount of the obtained fluid. The glenohumeral joint of ten human cadaveric shoulder specimens were sequentially filled with 5, 10, 20 and 30 mL of contrast agent. For each volume the maximum aspirated amount of contrast agent with 4 different aspiration devices (20 gauge needle, 16 gauge needle, 16 gauge flexible catheter and 16 gauge perforated flexible catheter) were compared. All aspirations were done in supine cadaver position from anterior under fluoroscopic control. The aspirated amount of fluid was significantly higher using the 16 gauge perforated flexible catheter (p = 0.002–0.028) compared with all other devices when 5, 10 and 20 mL of contrast agent were in the joint. This perforated flexible catheter aspirated 80–96% of the available fluid while the standard 20 gauge needle aspirated 40–60%. Using a 16 gauge perforated flexible catheter in a supine anterior arthrocentesis technique results in aspiration of most of the fluid in human cadaveric shoulder specimens, while standard needles aspirate only about 50% of it. This can be clinically relevant when there is very little synovial fluid available and might reduce the number of insufficient aspirations.Andreas HeckerManuel WaltenspülLukas ErnstbrunnerReto SutterKarl WieserSamy BouaichaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-6 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Andreas Hecker Manuel Waltenspül Lukas Ernstbrunner Reto Sutter Karl Wieser Samy Bouaicha Perforated flexible catheters improve joint fluid aspiration in shoulder cadavers
description	Abstract A fluoroscopically controlled anterior approach in supine position is often used for arthrocentesis of the shoulder, but can lead to a high rate of dry aspirations. The aim of this study was to compare the aspiration performance of rigid needles and flexible catheters used with this approach. We hypothesized that a flexible catheter can significantly improve the amount of the obtained fluid. The glenohumeral joint of ten human cadaveric shoulder specimens were sequentially filled with 5, 10, 20 and 30 mL of contrast agent. For each volume the maximum aspirated amount of contrast agent with 4 different aspiration devices (20 gauge needle, 16 gauge needle, 16 gauge flexible catheter and 16 gauge perforated flexible catheter) were compared. All aspirations were done in supine cadaver position from anterior under fluoroscopic control. The aspirated amount of fluid was significantly higher using the 16 gauge perforated flexible catheter (p = 0.002–0.028) compared with all other devices when 5, 10 and 20 mL of contrast agent were in the joint. This perforated flexible catheter aspirated 80–96% of the available fluid while the standard 20 gauge needle aspirated 40–60%. Using a 16 gauge perforated flexible catheter in a supine anterior arthrocentesis technique results in aspiration of most of the fluid in human cadaveric shoulder specimens, while standard needles aspirate only about 50% of it. This can be clinically relevant when there is very little synovial fluid available and might reduce the number of insufficient aspirations.
format	article
author	Andreas Hecker Manuel Waltenspül Lukas Ernstbrunner Reto Sutter Karl Wieser Samy Bouaicha
author_facet	Andreas Hecker Manuel Waltenspül Lukas Ernstbrunner Reto Sutter Karl Wieser Samy Bouaicha
author_sort	Andreas Hecker
title	Perforated flexible catheters improve joint fluid aspiration in shoulder cadavers
title_short	Perforated flexible catheters improve joint fluid aspiration in shoulder cadavers
title_full	Perforated flexible catheters improve joint fluid aspiration in shoulder cadavers
title_fullStr	Perforated flexible catheters improve joint fluid aspiration in shoulder cadavers
title_full_unstemmed	Perforated flexible catheters improve joint fluid aspiration in shoulder cadavers
title_sort	perforated flexible catheters improve joint fluid aspiration in shoulder cadavers
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/083e57450c504fbdb58e83e0cf8e0a41
work_keys_str_mv	AT andreashecker perforatedflexiblecathetersimprovejointfluidaspirationinshouldercadavers AT manuelwaltenspul perforatedflexiblecathetersimprovejointfluidaspirationinshouldercadavers AT lukasernstbrunner perforatedflexiblecathetersimprovejointfluidaspirationinshouldercadavers AT retosutter perforatedflexiblecathetersimprovejointfluidaspirationinshouldercadavers AT karlwieser perforatedflexiblecathetersimprovejointfluidaspirationinshouldercadavers AT samybouaicha perforatedflexiblecathetersimprovejointfluidaspirationinshouldercadavers
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Perforated flexible catheters improve joint fluid aspiration in shoulder cadavers

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