{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T22:17:01Z","timestamp":1777933021161,"version":"3.51.4"},"reference-count":32,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2025,5,1]],"date-time":"2025-05-01T00:00:00Z","timestamp":1746057600000},"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":["Respiratory Care"],"published-print":{"date-parts":[[2025,5]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>\n                      Pulse oximetry is a common technique used to measure S\n                      <jats:sub>\n                        pO\n                        <jats:sub>2<\/jats:sub>\n                      <\/jats:sub>\n                      , with increasing numbers of portable devices of different designs and technical specifications. This study examined accuracy of commercial and medical-grade portable oximetry devices (BioBeat wristwatch, Nonin WristOx\n                      <jats:sub>2<\/jats:sub>\n                      3150, and Heart Sure A320) in measuring S\n                      <jats:sub>\n                        pO\n                        <jats:sub>2<\/jats:sub>\n                      <\/jats:sub>\n                      compared with the reference standard (Masimo Rad-5) during 6-min walk tests (6MWTs).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>\n                      This prospective study included 50 subjects, with 10 recruited for each of the five target groups, including COPD, interstitial lung disease, pulmonary hypertension, oxygen therapy users, and other cardiac\/respiratory diseases. All subjects underwent 6MWT using the reference standard and the three test oximetry devices. Accuracy was measured by comparing mean nadir S\n                      <jats:sub>\n                        pO\n                        <jats:sub>2<\/jats:sub>\n                      <\/jats:sub>\n                      . Subjects were asked to rate their preference for different oximetry devices at test completion.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      In contrast to the Masimo, the Nonin had lower nadir and mean S\n                      <jats:sub>\n                        pO\n                        <jats:sub>2<\/jats:sub>\n                      <\/jats:sub>\n                      <jats:italic toggle=\"yes\">(P<\/jats:italic>\n                      \u2264 .001 for both), with higher measurements for the BioBeat (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .001 for both) and no differences for the Heart Sure (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .18 for nadir S\n                      <jats:sub>\n                        pO\n                        <jats:sub>2<\/jats:sub>\n                      <\/jats:sub>\n                      ,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      <jats:bold>=<\/jats:bold>\n                      .96 for mean S\n                      <jats:sub>\n                        pO\n                        <jats:sub>2<\/jats:sub>\n                      <\/jats:sub>\n                      ). Time spent at S\n                      <jats:sub>\n                        pO\n                        <jats:sub>2<\/jats:sub>\n                      <\/jats:sub>\n                      \u2264 88 was higher for the Nonin (70%,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .001) but lower for the Heart Sure (58%,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .001), compared with the Masimo  (64%). There were no significant differences observed in peak heart rate measurements between the Masimo with the Nonin and BioBeat (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .05 for both), with lower measurements using the Heart Sure  (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .001). The BioBeat was most preferable amongst subjects (\n                      <jats:italic toggle=\"yes\">n =<\/jats:italic>\n                      31), with all test oximeters having high patient satisfaction (mean \\7-point Likert scale scores of 6\u20137).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>\n                      The Heart Sure A320 and Nonin Wrist-Ox\n                      <jats:sub>2<\/jats:sub>\n                      3150 had comparable performance in detecting nadir S\n                      <jats:sub>\n                        pO\n                        <jats:sub>2<\/jats:sub>\n                      <\/jats:sub>\n                      within a mean difference of 3% in comparison with the Masimo Rad-5, with potential use for remote monitoring.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1089\/respcare.12259","type":"journal-article","created":{"date-parts":[[2025,4,12]],"date-time":"2025-04-12T16:52:49Z","timestamp":1744476769000},"page":"492-501","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Performance Comparison of Oximetry Devices During 6-Minute Walk Tests"],"prefix":"10.1177","volume":"70","author":[{"given":"Emma M.","family":"Marshall","sequence":"first","affiliation":[{"name":"Ms. Marshall, Dr. Dowman, Mr. Churchward, and Dr. Khor are affiliated with Institute of Breathing and Sleep, Victoria, Australia."},{"name":"Ms. Marshall, Mr. Schulte, Ms. Logie, Mr. Churchward, and Dr. Khor are affiliated with Department of Respiratory and Sleep Medicine, Austin Health, Victoria, Australia."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Angeline","family":"Filiex","sequence":"additional","affiliation":[{"name":"Ms. Filiex, Drs. Dowman, and Khor are affiliated with Respiratory Research@Alfred, Monash University, Victoria, Australia."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Max","family":"Schulte","sequence":"additional","affiliation":[{"name":"Ms. Marshall, Mr. Schulte, Ms. Logie, Mr. Churchward, and Dr. Khor are affiliated with Department of Respiratory and Sleep Medicine, Austin Health, Victoria, Australia."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Karla M.","family":"Logie","sequence":"additional","affiliation":[{"name":"Ms. Marshall, Mr. Schulte, Ms. Logie, Mr. Churchward, and Dr. Khor are affiliated with Department of Respiratory and Sleep Medicine, Austin Health, Victoria, Australia."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Julian","family":"Gin","sequence":"additional","affiliation":[{"name":"Dr. Gin, Dr. Horrigan are affiliated with Department of Cardiology, Austin Health, Melbourne, Victoria, Australia."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mark","family":"Horrigan","sequence":"additional","affiliation":[{"name":"Dr. Gin, Dr. Horrigan are affiliated with Department of Cardiology, Austin Health, Melbourne, Victoria, Australia."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Leona","family":"Dowman","sequence":"additional","affiliation":[{"name":"Ms. Marshall, Dr. Dowman, Mr. Churchward, and Dr. Khor are affiliated with Institute of Breathing and Sleep, Victoria, Australia."},{"name":"Ms. Filiex, Drs. Dowman, and Khor are affiliated with Respiratory Research@Alfred, Monash University, Victoria, Australia."},{"name":"Dr. Dowman is affiliated with Department of Physiotherapy, Austin Health, Melbourne, Australia."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas J.","family":"Churchward","sequence":"additional","affiliation":[{"name":"Ms. Marshall, Dr. Dowman, Mr. Churchward, and Dr. Khor are affiliated with Institute of Breathing and Sleep, Victoria, Australia."},{"name":"Ms. Marshall, Mr. Schulte, Ms. Logie, Mr. Churchward, and Dr. Khor are affiliated with Department of Respiratory and Sleep Medicine, Austin Health, Victoria, Australia."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yet H.","family":"Khor","sequence":"additional","affiliation":[{"name":"Ms. Marshall, Dr. Dowman, Mr. Churchward, and Dr. Khor are affiliated with Institute of Breathing and Sleep, Victoria, Australia."},{"name":"Ms. Marshall, Mr. Schulte, Ms. Logie, Mr. Churchward, and Dr. Khor are affiliated with Department of Respiratory and Sleep Medicine, Austin Health, Victoria, Australia."},{"name":"Ms. Filiex, Drs. 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