{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T14:22:39Z","timestamp":1785766959353,"version":"3.56.0"},"reference-count":14,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2023,9,1]],"date-time":"2023-09-01T00:00:00Z","timestamp":1693526400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["High Altitude Medicine &amp; Biology"],"published-print":{"date-parts":[[2023,9,1]]},"abstract":"<jats:p>\n                    Parks, Jordan K, Courtney M. Wheatley-Guy, Glenn M. Stewart, Caitlin C. Fermoyle, Bryan J. Taylor, Jesse Schwartz, Briana Ziegler, Kay Johnson, Alice Gavet, Lo\u00efc Chabridon, Paul Robach, and Bruce D. Johnson. Lung \u201cComet Tails\u201d in healthy individuals: accumulation or clearance of extravascular lung water?\n                    <jats:italic toggle=\"yes\">High Alt Med Biol.<\/jats:italic>\n                    24:230\u2013233, 2023\u2014Ultrasound lung comet tails (or B-lines) tend to be limited in number (&lt;5) or absent under ultrasound examination, and the appearance of diffuse B-lines with lung sliding has been suggested to identify pulmonary edema. Clinical evaluation of B-lines has been utilized as a bedside test to assess pulmonary congestion in patients with heart failure. Exposure to altitude or prolonged exercise can alter fluid regulation and can lead to pulmonary congestion or edema. As such, B-lines have been utilized in the field to monitor for pathological lung fluid accumulation. However, ultrasound lung comet lines might not be as reliable for identifying extravascular lung water (EVLW) as previously thought in healthy individuals exercising at altitude where an increase in the number of ultrasound lung comets would reflect fluid buildup in the interstitial space of the alveoli and pulmonary capillaries. This report will focus on reviewing the literature and our data from a group of ultraendurance runners that completed the Ultra Trail Mont Blanc race that demonstrates that lung comet tails may not always be evidence of pathological fluid accumulation in healthy individuals and as such should be used to assess EVLW in concert with other diagnostic testing.\n                  <\/jats:p>","DOI":"10.1089\/ham.2022.0114","type":"journal-article","created":{"date-parts":[[2023,9,18]],"date-time":"2023-09-18T14:44:33Z","timestamp":1695048273000},"page":"230-233","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Lung \u201cComet Tails\u201d in Healthy Individuals: Accumulation or Clearance of Extravascular Lung Water?"],"prefix":"10.1177","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2988-8328","authenticated-orcid":false,"given":"Jordan K.","family":"Parks","sequence":"first","affiliation":[{"name":"Division of Cardiovascular Disease, Mayo Clinic, Scottsdale, Arizona, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Courtney M.","family":"Wheatley-Guy","sequence":"additional","affiliation":[{"name":"Division of Cardiovascular Disease, Mayo Clinic, Scottsdale, Arizona, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5383-0479","authenticated-orcid":false,"given":"Glenn M.","family":"Stewart","sequence":"additional","affiliation":[{"name":"Division of Cardiovascular Disease, Mayo Clinic, Scottsdale, Arizona, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Caitlin C.","family":"Fermoyle","sequence":"additional","affiliation":[{"name":"Division of Cardiovascular Disease, Mayo Clinic, Scottsdale, Arizona, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bryan J.","family":"Taylor","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine, Mayo Clinic Florida, Jacksonville, Florida, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jesse","family":"Schwartz","sequence":"additional","affiliation":[{"name":"Division of Cardiovascular Disease, Mayo Clinic, Scottsdale, Arizona, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Briana","family":"Ziegler","sequence":"additional","affiliation":[{"name":"Division of Cardiovascular Disease, Mayo Clinic, Scottsdale, Arizona, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kay","family":"Johnson","sequence":"additional","affiliation":[{"name":"Division of Cardiovascular Disease, Mayo Clinic, Scottsdale, Arizona, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alice","family":"Gavet","sequence":"additional","affiliation":[{"name":"Ecole Nationale des Sports de Montagne, site de l'Ecole Nationale de Ski et d'Alpinisme, Chamonix, France."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lo\u00efc","family":"Chabridon","sequence":"additional","affiliation":[{"name":"Ecole Nationale des Sports de Montagne, site de l'Ecole Nationale de Ski et d'Alpinisme, Chamonix, France."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul","family":"Robach","sequence":"additional","affiliation":[{"name":"Ecole Nationale des Sports de Montagne, site de l'Ecole Nationale de Ski et d'Alpinisme, Chamonix, France."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bruce D.","family":"Johnson","sequence":"additional","affiliation":[{"name":"Division of Cardiovascular Disease, Mayo Clinic, Scottsdale, Arizona, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2023,9,12]]},"reference":[{"key":"e_1_3_3_2_1","doi-asserted-by":"crossref","first-page":"781874","DOI":"10.3389\/fphys.2021.781874","article-title":"Pulmonary interstitial matrix and lung fluid balance from normal to the acutely injured lung","volume":"12","author":"Beretta E","year":"2021","unstructured":"Beretta E, , Roman\u00f2 F, , Sancini G, et al. 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