1. The Posterolateral Portal: Optimizing Anchor Placement and Labral Repair at the Inferior Glenoid 
Gregory L. Cvetanovich, M.D., Frank McCormick, M.D., Brandon J. Erickson, M.D., Anil K. Gupta, M.D., Geoff D. Abrams, M.D., Joshua D. Harris, M.D., Anthony A. Romeo, M.D., Bernard R. Bach, M.D., Matthew T. Provencher, M.D. 
Arthroscopy Techniques 
Volume 2, Issue 3, Pages e201-e204 (August 2013)
DOI: /j.eats
Copyright © 2013 Arthroscopy Association of North America Terms and Conditions

2. Fig 1
For arthroscopic inferior labral repair with the posterolateral portal, the patient is positioned in the lateral decubitus position. We use a posterior portal (3) 2 cm inferior to the posterolateral corner of the acromion and an anterosuperior portal (1) in the rotator interval just anterior to the biceps. The posterolateral portal (2) is created by an inside-out technique with an 18-gauge spinal needle, located approximately 4 cm lateral to the posterolateral corner of the acromion (following the trajectory of the posterior border of the clavicle laterally). The arthroscope is in the anterosuperior portal for optimal visualization.
Arthroscopy Techniques 2013 2, e201-e204DOI: ( /j.eats )
Copyright © 2013 Arthroscopy Association of North America Terms and Conditions

3. Fig 2
(A) Placing the arthroscope in the anterosuperior portal provides optimal visualization of inferior capsulolabral pathology, indicated by an asterisk. (B) The posterolateral portal provides an excellent trajectory for inferior glenoid anchor placement, with drilling for anchor placement in a trajectory that is nearly perpendicular to the floor. (C) After anchor placement in the inferior glenoid through the posterolateral portal, we retain sutures in the posterolateral portal and place the cannula in the posterior portal for improved suture management during capsulolabral repair. (D) We insert the Spectrum through the posterior portal to grasp the capsule anterior to the anchor, avoiding the axillary nerve and enhancing plication of the capsular pouch. One must use a right Spectrum in a right shoulder and vice versa. (E) Sutures are tied with a sliding knot followed by alternating half-hitches, with the knot away from the articular surface.
Arthroscopy Techniques 2013 2, e201-e204DOI: ( /j.eats )
Copyright © 2013 Arthroscopy Association of North America Terms and Conditions