{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T21:18:04Z","timestamp":1790111884258,"version":"4.0.1"},"reference-count":32,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2016,4,9]],"date-time":"2016-04-09T00:00:00Z","timestamp":1460160000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2016,4,9]],"date-time":"2016-04-09T00:00:00Z","timestamp":1460160000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"},{"start":{"date-parts":[[2016,4,9]],"date-time":"2016-04-09T00:00:00Z","timestamp":1460160000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":["clinicalkey.jp","clinicalkey.com","clinicalkey.es","arthroscopyjournal.org","clinicalkey.com.au","clinicalkey.fr","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Arthroscopy"],"published-print":{"date-parts":[[2016,9]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>The purpose of this study was to quantify the length of the bicipital groove viewable with a 70\u00b0 arthroscope\u00a0and\u00a0to compare this distance visualized with use of a 30\u00b0 arthroscope in both cadavers and living subjects.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Diagnostic glenohumeral arthroscopy in the lateral decubitus position was performed on 10 fresh\u2010frozen cadaveric shoulders from a posterior portal. Using 70\u00b0 and 30\u00b0 arthroscopes, the distalmost viewable portion of the bicipital groove was percutaneously marked. Dissection of each specimen was then performed, and the distances between the articular margins of the humeral head to each marked portion of bicipital groove were recorded. Subsequently, a similar technique was used to measure the visible length of the bicipital groove in a series of 11 patients at the time of diagnostic glenohumeral arthroscopy performed in the lateral decubitus position using 70\u00b0 and 30\u00b0 arthroscopes. Descriptive statistics were used for continuous data. Means were compared with a Mann\u2010Whitney test. Statistical significance was set at\n                      <jats:italic>P<\/jats:italic>\n                      \u2264 .05.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The cadaveric analysis revealed a significant increase in the amount of bicipital groove visualized with the 70\u00b0 arthroscope versus that visualized with the 30\u00b0 arthroscope (18.0 \u00b1 6.9\u00a0mm\n                      <jats:italic>v<\/jats:italic>\n                      11 \u00b1 4.7\u00a0mm,\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .01). In similar fashion, the results of the in\u00a0vivo analysis showed that the 70\u00b0 arthroscope allowed for significantly more visualization of the bicipital groove than the 30\u00b0 arthroscope (26.3 \u00b1 6.2\u00a0mm\n                      <jats:italic>v<\/jats:italic>\n                      14 \u00b1 4.7\u00a0mm,\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .025).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The use of a 70\u00b0 arthroscope significantly increases the length of bicipital groove visualized during glenohumeral arthroscopy in the lateral decubitus position compared with that of the 30\u00b0 arthroscope in both cadavers and living subjects.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical Relevance<\/jats:title>\n                    <jats:p>Routine use of a 70\u00b0 arthroscope significantly improves visualization of the bicipital groove and all relevant intra\u2010articular structures compared with that of a 30\u00b0 arthroscope during diagnostic glenohumeral arthroscopy performed in the lateral decubitus position.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.arthro.2016.01.028","type":"journal-article","created":{"date-parts":[[2016,4,10]],"date-time":"2016-04-10T07:53:47Z","timestamp":1460274827000},"page":"1745-1749","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":24,"title":["A 70\u00b0 Arthroscope Significantly Improves Visualization of the Bicipital Groove in the Lateral Decubitus Position"],"prefix":"10.1002","volume":"32","author":[{"given":"Andrew J.","family":"Sheean","sequence":"first","affiliation":[{"name":"San Antonio Military Medical Center San Antonio Texas U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert U.","family":"Hartzler","sequence":"additional","affiliation":[{"name":"The San Antonio Orthopaedic Group Burkhart Research Institute for Orthopaedics San Antonio Texas U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patrick J.","family":"Denard","sequence":"additional","affiliation":[{"name":"Southern Oregon Orthopedics Medford Oregon U.S.A."},{"name":"Department of Orthopaedics and Rehabilitation Oregon Health Science University Portland Oregon U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandre","family":"L\u00e4dermann","sequence":"additional","affiliation":[{"name":"Division of Orthopaedics and Trauma Surgery La Tour Hospital Meyrin Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bryan T.","family":"Hanypsiak","sequence":"additional","affiliation":[{"name":"Joint Implant Surgeons of Florida Naples Florida U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephen S.","family":"Burkhart","sequence":"additional","affiliation":[{"name":"The San Antonio Orthopaedic Group Burkhart Research Institute for Orthopaedics San Antonio Texas 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