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We measured the distance between the tip of the drill as it exited the dorsal cortex of the radius and the PIN.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Aiming 90\u00b0 across the radius and aiming ulnarly across the radius resulted in a distance of 11.2 \u00b1 3.2 mm (95% confidence interval [CI], 8.9 to 13.5 mm) and 16.0 \u00b1 3.8 mm (95% CI, 13.3 to 18.7 mm), respectively, between the drill tip and the PIN. Aiming the drill 45\u00b0 distally and aiming radially resulted in a distance of only 2.0 \u00b1 2.2 mm (95% CI, 0.5 to 3.6 mm) and 4.2 \u00b1 2.2 mm (95% CI, 2.6 to 5.8 mm), respectively. The differences were found to be statistically significant.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>On the basis of the results of this anatomic study, when using the cortical button distal biceps repair technique, we recommend drilling across the radius at 90\u00b0 to its longitudinal axis and aiming from 0\u00b0 to 30\u00b0 ulnarly, with the patient's forearm in full supination. This provides an increased margin of safety to prevent injury to the PIN compared with drilling radially or distally.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical Relevance<\/jats:title>\n                    <jats:p>By avoiding distal and radial drilling, the risks of PIN injury should be minimized during distal biceps tendon repair.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.arthro.2011.03.084","type":"journal-article","created":{"date-parts":[[2011,6,29]],"date-time":"2011-06-29T01:14:50Z","timestamp":1309310090000},"page":"1048-1054","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":68,"title":["The Effect of Drill Trajectory on Proximity to the Posterior Interosseous Nerve During Cortical Button Distal Biceps Repair"],"prefix":"10.1002","volume":"27","author":[{"given":"Eddie 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