{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,15]],"date-time":"2026-03-15T21:00:19Z","timestamp":1773608419038,"version":"3.50.1"},"reference-count":34,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2015,9,29]],"date-time":"2015-09-29T00:00:00Z","timestamp":1443484800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2015,9,29]],"date-time":"2015-09-29T00:00:00Z","timestamp":1443484800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"},{"start":{"date-parts":[[2015,9,29]],"date-time":"2015-09-29T00:00:00Z","timestamp":1443484800000},"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":[[2016,1]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>It is unclear whether femoral tunnel length and obliquity differ after transtibial and independent femoral drilling techniques of anterior cruciate ligament (ACL) reconstruction. This meta\u2010analysis therefore compared femoral tunnel length and obliquity in patients who underwent ACL reconstruction by the transtibial, anteromedial (AM) portal, and outside\u2010in (OI) techniques.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>In accordance with PRISMA (Preferred Reporting Items for Systematic Reviews and Meta\u2010Analyses) guidelines, all studies comparing femoral tunnel length and obliquity with various measurement tools\u2014from direct measurement to imaging methods such as plain radiography, computed tomography, or magnetic resonance imaging\u2014in patients who underwent reconstruction by the transtibial or independent femoral drilling (AM portal or OI) techniques were included.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Fourteen studies were included in the meta\u2010analysis. The femoral tunnel length was 7.8 to 11.0 mm longer (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .05) and coronal obliquity was 7.5\u00b0 to 29.1\u00b0 more vertical (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .05) with the transtibial technique than with the AM portal or OI technique. Femoral tunnel and graft obliquity in the sagittal plane, however, did not differ significantly (\n                      <jats:italic>P<\/jats:italic>\n                      &gt; .05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>ACL reconstruction using the AM portal and OI femoral drilling techniques resulted in a shorter length and greater coronal obliquity of the femoral tunnel than did the transtibial technique. However, these 3 femoral drilling techniques resulted in similar obliquities of the femoral tunnel and graft in the sagittal plane.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level III, meta\u2010analysis.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.arthro.2015.07.026","type":"journal-article","created":{"date-parts":[[2015,10,2]],"date-time":"2015-10-02T05:04:16Z","timestamp":1443762256000},"page":"142-150","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":38,"title":["Comparison of Femoral Tunnel Length and Obliquity Between Transtibial, Anteromedial Portal, and Outside\u2010In Surgical Techniques in Single\u2010Bundle Anterior Cruciate Ligament Reconstruction: A\u00a0Meta\u2010analysis"],"prefix":"10.1002","volume":"32","author":[{"given":"Dae\u2010Hee","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyun\u2010Jung","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Preventive Medicine Korea University College of Medicine Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyeong\u2010Sik","family":"Ahn","sequence":"additional","affiliation":[{"name":"Department of Preventive Medicine Korea University College of Medicine Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Seong\u2010Il","family":"Bin","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery University of Ulsan College of Medicine Asan Medical Center Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2015,9,29]]},"reference":[{"key":"e_1_2_2_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2006.06.005"},{"key":"e_1_2_2_3_2","doi-asserted-by":"publisher","DOI":"10.1177\/03635465030310011501"},{"key":"e_1_2_2_4_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546510397170"},{"key":"e_1_2_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2007.04.016"},{"key":"e_1_2_2_6_2","doi-asserted-by":"publisher","DOI":"10.1177\/03635465010290050801"},{"key":"e_1_2_2_7_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-008-0238-z"},{"key":"e_1_2_2_8_2","doi-asserted-by":"publisher","DOI":"10.4055\/cios.2013.5.3.188"},{"key":"e_1_2_2_9_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546510372797"},{"key":"e_1_2_2_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2004.01.001"},{"key":"e_1_2_2_11_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546513500626"},{"key":"e_1_2_2_12_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546507304137"},{"key":"e_1_2_2_13_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546510395488"},{"key":"e_1_2_2_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2011.06.013"},{"key":"e_1_2_2_15_2","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.M.00088"},{"key":"e_1_2_2_16_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546513500764"},{"key":"e_1_2_2_17_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.knee.2012.10.024"},{"key":"e_1_2_2_18_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-006-0110-1"},{"key":"e_1_2_2_19_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546508320572"},{"key":"e_1_2_2_20_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546513497567"},{"key":"e_1_2_2_21_2","unstructured":"Wells G Shea B O\u2019Connell D et\u00a0al. 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