A New Method for Diaphragmatic Maximum Relaxation Rate Ultrasonographic Measurement in the Assessment of Patients With Diaphragmatic Dysfunction

Measurements of ultrasound diaphragmatic motion, amplitude, force, and velocity of contraction may provide important and essential information about diaphragmatic fatigue, weakness, or paralysis. In this paper, we propose and evaluate a semi-automated analysis system for measuring the diaphragmatic...

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Autores principales:	Christos P. Loizou, Dimitrios Matamis, Giorgos Minas, Theodoros Kyprianou, Christakis D. Loizou, Eleni Soilemezi, Entela Kotco, Constantinos S. Pattichis
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2018
Materias:	Diaphragmatic muscle diaphragmatic motion analysis diaphragmatic ultrasound maximum relaxation rate (MRR) Computer applications to medicine. Medical informatics R858-859.7 Medical technology R855-855.5
Acceso en línea:	https://doaj.org/article/230791e84c9943c68de00cc80ac4ea0a
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spelling	oai:doaj.org-article:230791e84c9943c68de00cc80ac4ea0a2021-11-19T00:00:23ZA New Method for Diaphragmatic Maximum Relaxation Rate Ultrasonographic Measurement in the Assessment of Patients With Diaphragmatic Dysfunction2168-237210.1109/JTEHM.2018.2868671https://doaj.org/article/230791e84c9943c68de00cc80ac4ea0a2018-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/8489971/https://doaj.org/toc/2168-2372Measurements of ultrasound diaphragmatic motion, amplitude, force, and velocity of contraction may provide important and essential information about diaphragmatic fatigue, weakness, or paralysis. In this paper, we propose and evaluate a semi-automated analysis system for measuring the diaphragmatic motion and estimating the maximum relaxation rate (MRR_SAUS) from ultrasound M-mode images of the diaphragmatic muscle. The system was evaluated on 27 M-mode ultrasound images of the diaphragmatic muscle [20 with no resistance (NRES) and 7 with resistance (RES)]. We computed semi-automated ultrasound MRR measurements on all NRES/RES images, using the proposed system (MRR_SAUS = 3.94 ± 0.91/4.98 ± 1.98 [1/s]), and compared them with the manual measurements made by a clinical expert (MRR_MUS = 2.36 ± 1.19/5.8 ± 2.1 [1/s],) and those made by a reference manual method (MRR_MB = 3.93 ± 0.89/3.73 ± 0.52 [1/sec], performed manually with the Biopac system. MRR_SAUS and MRR_MB measurements were not statistically significantly different for NRES and RES subjects but were significantly different with the MRR-MUS measurements made by the clinical expert. It is anticipated that the proposed system might be used in the future in the clinical practice in the assessment and follow up of patients with diaphragmatic weakness or paralysis. It may thus potentially help to understand post-operative pulmonary dysfunction or weaning failure from mechanical ventilation. Further validation and additional experimentation in a larger sample of images and different patient groups is required for further validating the proposed system.Christos P. LoizouDimitrios MatamisGiorgos MinasTheodoros KyprianouChristakis D. LoizouEleni SoilemeziEntela KotcoConstantinos S. PattichisIEEEarticleDiaphragmatic musclediaphragmatic motion analysisdiaphragmatic ultrasoundmaximum relaxation rate (MRR)Computer applications to medicine. Medical informaticsR858-859.7Medical technologyR855-855.5ENIEEE Journal of Translational Engineering in Health and Medicine, Vol 6, Pp 1-10 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Diaphragmatic muscle diaphragmatic motion analysis diaphragmatic ultrasound maximum relaxation rate (MRR) Computer applications to medicine. Medical informatics R858-859.7 Medical technology R855-855.5
spellingShingle	Diaphragmatic muscle diaphragmatic motion analysis diaphragmatic ultrasound maximum relaxation rate (MRR) Computer applications to medicine. Medical informatics R858-859.7 Medical technology R855-855.5 Christos P. Loizou Dimitrios Matamis Giorgos Minas Theodoros Kyprianou Christakis D. Loizou Eleni Soilemezi Entela Kotco Constantinos S. Pattichis A New Method for Diaphragmatic Maximum Relaxation Rate Ultrasonographic Measurement in the Assessment of Patients With Diaphragmatic Dysfunction
description	Measurements of ultrasound diaphragmatic motion, amplitude, force, and velocity of contraction may provide important and essential information about diaphragmatic fatigue, weakness, or paralysis. In this paper, we propose and evaluate a semi-automated analysis system for measuring the diaphragmatic motion and estimating the maximum relaxation rate (MRR_SAUS) from ultrasound M-mode images of the diaphragmatic muscle. The system was evaluated on 27 M-mode ultrasound images of the diaphragmatic muscle [20 with no resistance (NRES) and 7 with resistance (RES)]. We computed semi-automated ultrasound MRR measurements on all NRES/RES images, using the proposed system (MRR_SAUS = 3.94 ± 0.91/4.98 ± 1.98 [1/s]), and compared them with the manual measurements made by a clinical expert (MRR_MUS = 2.36 ± 1.19/5.8 ± 2.1 [1/s],) and those made by a reference manual method (MRR_MB = 3.93 ± 0.89/3.73 ± 0.52 [1/sec], performed manually with the Biopac system. MRR_SAUS and MRR_MB measurements were not statistically significantly different for NRES and RES subjects but were significantly different with the MRR-MUS measurements made by the clinical expert. It is anticipated that the proposed system might be used in the future in the clinical practice in the assessment and follow up of patients with diaphragmatic weakness or paralysis. It may thus potentially help to understand post-operative pulmonary dysfunction or weaning failure from mechanical ventilation. Further validation and additional experimentation in a larger sample of images and different patient groups is required for further validating the proposed system.
format	article
author	Christos P. Loizou Dimitrios Matamis Giorgos Minas Theodoros Kyprianou Christakis D. Loizou Eleni Soilemezi Entela Kotco Constantinos S. Pattichis
author_facet	Christos P. Loizou Dimitrios Matamis Giorgos Minas Theodoros Kyprianou Christakis D. Loizou Eleni Soilemezi Entela Kotco Constantinos S. Pattichis
author_sort	Christos P. Loizou
title	A New Method for Diaphragmatic Maximum Relaxation Rate Ultrasonographic Measurement in the Assessment of Patients With Diaphragmatic Dysfunction
title_short	A New Method for Diaphragmatic Maximum Relaxation Rate Ultrasonographic Measurement in the Assessment of Patients With Diaphragmatic Dysfunction
title_full	A New Method for Diaphragmatic Maximum Relaxation Rate Ultrasonographic Measurement in the Assessment of Patients With Diaphragmatic Dysfunction
title_fullStr	A New Method for Diaphragmatic Maximum Relaxation Rate Ultrasonographic Measurement in the Assessment of Patients With Diaphragmatic Dysfunction
title_full_unstemmed	A New Method for Diaphragmatic Maximum Relaxation Rate Ultrasonographic Measurement in the Assessment of Patients With Diaphragmatic Dysfunction
title_sort	new method for diaphragmatic maximum relaxation rate ultrasonographic measurement in the assessment of patients with diaphragmatic dysfunction
publisher	IEEE
publishDate	2018
url	https://doaj.org/article/230791e84c9943c68de00cc80ac4ea0a
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A New Method for Diaphragmatic Maximum Relaxation Rate Ultrasonographic Measurement in the Assessment of Patients With Diaphragmatic Dysfunction

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