{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T16:23:56Z","timestamp":1791908636069,"version":"4.3.4"},"reference-count":25,"publisher":"Oxford University Press (OUP)","issue":"6","license":[{"start":{"date-parts":[[2026,2,3]],"date-time":"2026-02-03T00:00:00Z","timestamp":1770076800000},"content-version":"vor","delay-in-days":3747,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2015,11,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Early recognition of left-sided congestive heart failure (CHF) in dogs with degenerative mitral valve disease (DMVD) is important because it influences medical therapy, timing of follow-up, and outcome.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Hypothesis<\/jats:title>\n                    <jats:p>Pulmonary vein diameter-to-pulmonary artery diameter ratio (PV\/PA) measured by echocardiography can predict CHF.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Animals<\/jats:title>\n                    <jats:p>Ninety-eight client-owned dogs, 37 controls, and 61 dogs with DMVD.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Prospective clinical cohort study. History, physical examination and Doppler-echocardiography were performed. Dogs were classified as International Small Animal Cardiac Health Council class I, II or III. Congestive heart failure was identified in a subset of 56 dogs based on radiographic findings. The PV\/PA was measured in bidimensional (2D) and M-mode by 2 investigators blinded to the radiologists\u2019 conclusions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Interobserver coefficients of variation for PV\/PA acquisition and measurement were &amp;lt;10%. The PV\/PA in control dogs was approximately 1 and increased with class of heart failure. The presence of CHF could be best predicted by measuring PV\/PA in 2D echocardiography (cut-off, 1.7; area under the curve, 0.98; CI, 0.97\u20130.98; P &amp;lt; .001) with a sensitivity of 96% and a specificity of 91%.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion and clinical importance<\/jats:title>\n                    <jats:p>The PV\/PA is a simple and reproducible echocardiographic variable that increases with class of heart failure and may help discriminate dogs in CHF from asymptomatic dogs with DMVD. Additional studies are required to determine whether PV\/PA might provide additional information in the integrated interpretation of Doppler-echocardiographic indices of left ventricular filling pressures and could be used for rapid assessment of CHF in dogs in a critical care setting.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jvim.13634","type":"journal-article","created":{"date-parts":[[2015,9,29]],"date-time":"2015-09-29T08:04:58Z","timestamp":1443513898000},"page":"1502-1509","source":"Crossref","is-referenced-by-count":19,"title":["Pulmonary Vein-to-Pulmonary Artery Ratio is an Echocardiographic Index of Congestive Heart Failure in Dogs with Degenerative Mitral Valve Disease"],"prefix":"10.1093","volume":"29","author":[{"given":"A.-C.","family":"Merveille","sequence":"first","affiliation":[{"name":"Faculty of Veterinary Medicine, University of Li\u00e8ge Department of Clinical Sciences, , Li\u00e8ge,","place":["Belgium"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G.","family":"Bolen","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Medicine, University of Li\u00e8ge Department of Clinical Sciences, , Li\u00e8ge,","place":["Belgium"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E.","family":"Krafft","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Medicine, University of Li\u00e8ge Department of Clinical Sciences, , Li\u00e8ge,","place":["Belgium"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E.","family":"Roels","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Medicine, University of Li\u00e8ge Department of Clinical Sciences, , Li\u00e8ge,","place":["Belgium"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.","family":"Gomart","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Medicine, University of Li\u00e8ge Department of Clinical Sciences, , Li\u00e8ge,","place":["Belgium"]},{"name":"Laboratory of Physiology and Pharmacology, Faculty of Medicine, Universit\u00e9 Libre de Bruxelles , Bruxelles,","place":["Belgium"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.-L.","family":"Etienne","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Medicine, University of Li\u00e8ge Department of Clinical Sciences, , Li\u00e8ge,","place":["Belgium"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C.","family":"Clercx","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Medicine, University of Li\u00e8ge Department of Clinical Sciences, , Li\u00e8ge,","place":["Belgium"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.","family":"Mc Entee","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Medicine, University of Li\u00e8ge Department of Clinical Sciences, , 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