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Agreement between ultrasonic bubble grades using a handheld self-positioning Doppler product and 2D cardiac ultrasound

Plogmark, Oscar LU ; Hjelte, Carl LU ; Ekström, Magnus LU orcid and Frånberg, Oskar LU (2022) In Diving and Hyperbaric Medicine 52(4). p.281-285
Abstract

(Plogmark O, Hjelte C, Ekström M, Frånberg O. Agreement between ultrasonic bubble grades using a handheld self-positioning Doppler product and 2D cardiac ultrasound. Diving and Hyperbaric Medicine. 2022 December 20;52(4):281−285. doi: 10.28920/dhm52.4.281-285. PMID: 36525686.) Introduction: Intravascular bubble load after decompression can be detected and scored using ultrasound techniques that measure venous gas emboli (VGE). The aim of this study was to analyse the agreement between ultrasonic bubble grades from a handheld self-positioning product, the O’Dive™, and cardiac 2D ultrasound after decompression. Methods: VGE were graded with both bilateral subclavian vein Doppler ultrasound (modified Spencer scale) and 2D cardiac images... (More)

(Plogmark O, Hjelte C, Ekström M, Frånberg O. Agreement between ultrasonic bubble grades using a handheld self-positioning Doppler product and 2D cardiac ultrasound. Diving and Hyperbaric Medicine. 2022 December 20;52(4):281−285. doi: 10.28920/dhm52.4.281-285. PMID: 36525686.) Introduction: Intravascular bubble load after decompression can be detected and scored using ultrasound techniques that measure venous gas emboli (VGE). The aim of this study was to analyse the agreement between ultrasonic bubble grades from a handheld self-positioning product, the O’Dive™, and cardiac 2D ultrasound after decompression. Methods: VGE were graded with both bilateral subclavian vein Doppler ultrasound (modified Spencer scale) and 2D cardiac images (Eftedal Brubakk scale). Agreement was analysed using weighted kappa (Kw ). Analysis with Kw was made for all paired grades, including measurements with and without zero grades, and for each method’s highest grades after each dive. Results: A total of 152 dives yielded 1,113 paired measurements. The Kw agreement between ultrasound VGE grades produced by cardiac 2D images and those from the O’Dive was ‘fair’; when zero grades were excluded the agreement was ‘poor’. The O’Dive was found to have a lower sensitivity to detect VGE compared to 2D cardiac image scoring. Conclusions: Compared to 2D cardiac image ultrasound, the O’Dive yielded generally lower VGE grades, which resulted in a low level of agreement (fair to poor) with Kw .

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Please use this url to cite or link to this publication:
author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Decompression, Decompression illness, Decompression sickness, Diving research, Echocardiography, Ultrasound, Venous gas emboli
in
Diving and Hyperbaric Medicine
volume
52
issue
4
pages
5 pages
publisher
South Pacific Underwater Med Soc
external identifiers
  • pmid:36525686
  • scopus:85144419523
ISSN
1833-3516
DOI
10.28920/dhm52.4.281-285
language
English
LU publication?
yes
id
17663219-fdf0-4135-8853-eae3e511acd3
date added to LUP
2023-01-09 14:33:58
date last changed
2024-05-03 08:36:35
@article{17663219-fdf0-4135-8853-eae3e511acd3,
  abstract     = {{<p>(Plogmark O, Hjelte C, Ekström M, Frånberg O. Agreement between ultrasonic bubble grades using a handheld self-positioning Doppler product and 2D cardiac ultrasound. Diving and Hyperbaric Medicine. 2022 December 20;52(4):281−285. doi: 10.28920/dhm52.4.281-285. PMID: 36525686.) Introduction: Intravascular bubble load after decompression can be detected and scored using ultrasound techniques that measure venous gas emboli (VGE). The aim of this study was to analyse the agreement between ultrasonic bubble grades from a handheld self-positioning product, the O’Dive™, and cardiac 2D ultrasound after decompression. Methods: VGE were graded with both bilateral subclavian vein Doppler ultrasound (modified Spencer scale) and 2D cardiac images (Eftedal Brubakk scale). Agreement was analysed using weighted kappa (K<sub>w</sub> ). Analysis with K<sub>w</sub> was made for all paired grades, including measurements with and without zero grades, and for each method’s highest grades after each dive. Results: A total of 152 dives yielded 1,113 paired measurements. The K<sub>w</sub> agreement between ultrasound VGE grades produced by cardiac 2D images and those from the O’Dive was ‘fair’; when zero grades were excluded the agreement was ‘poor’. The O’Dive was found to have a lower sensitivity to detect VGE compared to 2D cardiac image scoring. Conclusions: Compared to 2D cardiac image ultrasound, the O’Dive yielded generally lower VGE grades, which resulted in a low level of agreement (fair to poor) with K<sub>w</sub> .</p>}},
  author       = {{Plogmark, Oscar and Hjelte, Carl and Ekström, Magnus and Frånberg, Oskar}},
  issn         = {{1833-3516}},
  keywords     = {{Decompression; Decompression illness; Decompression sickness; Diving research; Echocardiography; Ultrasound; Venous gas emboli}},
  language     = {{eng}},
  number       = {{4}},
  pages        = {{281--285}},
  publisher    = {{South Pacific Underwater Med Soc}},
  series       = {{Diving and Hyperbaric Medicine}},
  title        = {{Agreement between ultrasonic bubble grades using a handheld self-positioning Doppler product and 2D cardiac ultrasound}},
  url          = {{http://dx.doi.org/10.28920/dhm52.4.281-285}},
  doi          = {{10.28920/dhm52.4.281-285}},
  volume       = {{52}},
  year         = {{2022}},
}