Ultrasound lung comets induced by repeated breath‐hold diving, a study in underwater fishermen

Boussuges, Alain; Coulange, Mathieu; Bessereau, Jacques; Gargne, O.; Ayme, Karine; Gavarry, Olivier; Fontanari, Pierre; Joulia, Fabrice

doi:10.1111/j.1600-0838.2011.01319.x

Cited by 20 publications

(20 citation statements)

References 36 publications

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“…In a spearfishing competition similar to that studied here, Boussuges et al. () reported a mean weight loss of 1.5 kg mainly through dehydration and so the hemoconcentration measured in our study (APN‐D) could be an artifact of dehydration. Another explanation is splenic contraction in response to exercise (Laub et al.…”

Section: Discussionsupporting

confidence: 67%

“…As postapneic SaO 2 reaches baseline in less than 2 min (Boussuges et al. ; Gargne et al. ), we have to infer marked hypoxemia in the APN‐D study from the apneic durations and levels of physical activity.…”

Section: Discussionmentioning

confidence: 95%

“…) and diving (Boussuges et al. ). In a spearfishing competition similar to that studied here, Boussuges et al.…”

Section: Discussionmentioning

confidence: 99%

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Physiological stress markers during breath‐hold diving and SCUBA diving

et al. 2019

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This study investigated the sources of physiological stress in diving by comparing SCUBA dives (stressors: hydrostatic pressure, cold, and hyperoxia), apneic dives (hydrostatic pressure, cold, physical activity, hypoxia), and dry static apnea (hypoxia only). We hypothesized that despite the hypoxia induces by a long static apnea, it would be less stressful than SCUBA dive or apneic dives since the latter combined high pressure, physical activity, and cold exposure. Blood samples were collected from 12 SCUBA and 12 apnea divers before and after dives. On a different occasion, samples were collected from the apneic group before and after a maximal static dry apnea. We measured changes in levels of the stress hormones cortisol and copeptin in each situation. To identify localized effects of the stress, we measured levels of the cardiac injury markers troponin ( cTnI ) and brain natriuretic peptide ( BNP ), the muscular stress markers myoglobin and lactate), and the hypoxemia marker ischemia‐modified albumin ( IMA ). Copeptin, cortisol, and IMA levels increased for the apneic dive and the static dry apnea, whereas they decreased for the SCUBA dive. Troponin, BNP , and myoglobin levels increased for the apneic dive, but were unchanged for the SCUBA dive and the static dry apnea. We conclude that hypoxia induced by apnea is the dominant trigger for the release of stress hormones and cardiac injury markers, whereas cold or and hyperbaric exposures play a minor role. These results indicate that subjects should be screened carefully for pre‐existing cardiac diseases before undertaking significant apneic maneuvers.

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Section: Discussionsupporting

confidence: 67%

Section: Discussionmentioning

confidence: 95%

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Physiological stress markers during breath‐hold diving and SCUBA diving

et al. 2019

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“…Adults Agricola et al obtained intra-and inter-observer variability of 3.1 % and 4.4 %, on 280 scans performed by two operators [31]. Boussuges et al obtained interobserver variability < 5%, on 1890 scans performed by two operators [34]. Fagenholz et al obtained "excellent agreement" on 308 scans [35].…”

Section: Ultrasound Equipmentmentioning

confidence: 99%

Lung artefacts and their use

Dietrich

Mathis²,

Blaivas

et al. 2016

Med Ultrason

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IntroductionIn years gone by examination of patients with pulmonary disorders rested essentially on a clinician's bedside physical examination, of auscultation and percussion, complimented with blood gas analysis and X-ray imaging. Lung ultrasound has emerged into this context as a real-time bedside procedure, delivering information relevant to the clinician's differential diagnosis. A large part of sonographic lung examination involves the interpretation of artefacts, thus knowledge of the origin of typical artefacts is important. Although indirect sonographic signs, nonetheless reliable conclusions on the condition of the lung can be inferred. Particularly the of quantity and distribution of B-lines can establish important assessment of the cause and degree of fluid load within the interstitium.All focused ultrasound investigations, including bedside lung ultrasound, allow symptom evaluation considering multiple organ-systems yet with minimal time delay. Such integration of imaging with clinical assessment and treatment is called Point-of-Care Ultrasound (POCUS) and should be understood as an extension of the physical examination. POCUS offers a unique but crucial role, integrating clinical and other imaging findings, including cardiac ultrasound (echocardiography), chest radiography, and computed tomography (CT) scans is crucial, which alone may lack the required accuracy.The emergence of differences in approach to lung sonography, technique and nomenclature, provided the AbstractThe science of lung ultrasound has grown tremendously over the last two decades and lung ultrasound has not only entered the mainstream of point of care ultrasound but has become a dominant topic. Understanding lung ultrasound signs and artifacts is critical to being able to correlate findings with actual pathology and normal anatomy and physiology. Investigators have described multiple lung ultrasound artifacts and findings and it is important to understand both the physics and anatomic basis behind them. Additionally, ultrasound machine use and transducer selection can significantly affect results obtained on patient during an examination and the provider must carefully choose the correct settings. This manuscript describes the state of the art in ultrasound artifact recognition and correlation as well as management of ultrasound technology to optimize diagnostic success.Keywords: ultrasound, lung, artifacts, pathology, guidelines [2,[11][12][13][14][15] we discuss the prominent role of the particular artefacts of lung sonography answering differential-diagnostic questions in patients with cardio-pulmonary diseases. Lung artefacts

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“…BLA is reproducible and identifying them is easy to learn by operators with different skill and expertise (15,20,(22)(23)(24)(25)(26)(27)(28).…”

Section: Are Bla Reproducible?mentioning

confidence: 99%