Shoulder Arthroscopy Dr. J.J.A.M. van Raaij NOV Jaarvergadering Den Bosch 25 jan 2018
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Shoulder Instability Traumatic anterior Traumatic posterior Acquired atraumatic Multidirectional Volontary
Traumatic anterior instability Incidence: 1,7% annually Recurrence rate: 90% <20 yrs Recurrence rate: 60% 20-40yrs Recurrence rate: <10% >40 yrs
Pathoanatomy Capsulolabral avulsion (Bankart) Capsular redundancy Bony defect (Hill Sachs/Glenoid)
Physical examination Generalized ligamentous laxity? Load and Shift test Apprehension Relocation Sulcus sign Posterior apprehension?
Imaging X ray (AP, scapular AP, axillary, West Point, Stryker notch) CT (bony defect) MRI (soft tissue,labrum, HAGL)
Surgical indications Failure of conservative treatment Patiënts < 25 yrs High demand sports Bony defect Rotator cuff tears
Treatment algorithm
Contra indications arthroscopic stabilization Engaging Hill-Sachs Bony defect > 20% anteroinferior glenoid Inverted pear
Engaging Hill-Sachs lesion
Open Bankart/Latarjet Young patients. Overhead, Collision sports Low recurrence rate Bony defect Engaging Hill-Sachs Inverted pear (>20% glenoid bone loss)
Arthroscopy: Set Up Beach chair Lateral decubitus
Arthroscopy Normal anatomy
Bankart repair
Bankart repair
Bankart repair
Surgical complications Recurrence Stiffness/Overtightening Subscapularis failure Anchor pull out Nervous injury (axillary nerve)
Postoperative clinical failures Failure to rule out concomitant cuff injury Failure to anatomically reconstruct anteroinferior labrum of IGHL Failure to recognize bony defects Inadequate capsular shift Inadequate retensioning IGHL
Rotator Cuff Tear Prevalence (full thicknes): 7-40% Increase with patient age Enlargement painfull cuff tears in time > 80 yr: up to 50%: asymptomatic Partial thickness: progression in size and symptoms
Anatomy Rotator Cuff
Anatomy Rotator Cuff
Rotator cuff
Pathoanatomy Intrinsic: changes collagen,proteoglycan, watercontent, vascularity Age dependant/degeneration Extrinsic: mechanical etiology/coracoacromial arch)
History <40 yrs: acute traumatic onset 50-60 yrs: traumatic/atraumatic >60 yrs: atraumatic
Classification Acute (< 3 months) Chronic (> 3 months) Acute on chronic (enlargement small tear) Full/Partial thickness Small, Medium, Large, Massive tears 1, 2 or 3 tendon involvement Partial (bursal, articular, < or> 50% thickness)
Physical Examination (1) Muscle atrophy Palpation (GT,AC,biceps,coracoid) Acive/Passive ROM Neer and Hawkins test Empty can and Jobe Lift-off test
Lift-off test
Physical examination (2) Resisted elevation test (supraspinatus) External rotation test (infraspinatus/teres m) External rotation lag sign (infraspinatus) Hornblower (teres minor) Lift-off/Abdominal compression (subscap) Deltoid integrity
Imaging X ray (true AP, acromiohumeral interval) X ray (external/internal rotation) Supraspinatus outlet (acromion morphology) Axillary view MRI (gold standard) Ultrasonography (accurate, operator dependant)
Imaging - Xray
Imaging - Ultrasound
Imaging: MRI MRI coronal T2 image MRI saggital oblique, retraction, atrophy, fatty infiltration
Imaging - MRI
Treatment (non surgical) Avoidance provocative moments Ice application NSAID s Physical therapy, deltoid strengthening Subacromial corticosteroid infiltration Elderly patients (degenerative tear)
Treatment (surgical) Failure of non-surgical treatment Acute traumatic tear (young patient) Acute loss of strength (any age) Good quality muscle No glenohumeral degeneration
Contra indication surgical repair Chronic infection Glenohumeral arthritis Retracted tendon Fatty infiltration Significant muscle atrophy Fixed proximal migration (AH interval < 7 mm) Deltoid/Axillary nerve dysfunction Bad prognostic factors (smoking, DM, high age, comorbidity
Literature J Shoulder Elbow Surg. 2015 Aug;24(8):1274-81. doi: 10.1016/j.jse.2015.05.040. Comparing surgical repair with conservative treatment for degenerative rotator cuff tears: a randomized controlled trial. Lambers Heerspink FO 1, van Raay JJ 2, Koorevaar RC 3, van Eerden PJ 4, Westerbeek RE 5, van 't Riet E 3, van den Akker-Scheek I 6, Diercks RL 6. CONCLUSION: In our population of patients with degenerative rotator cuff tears who were randomly treated by surgery or conservative protocol, we did not observe differences in functional outcome as measured with the CMS 1 year after treatment. However, significant differences in pain and disabilities were observed in favor of surgical treatment. The best outcomes in function and pain were seen in patients with an intact rotator cuff postoperatively.
Surgical repair Arthroscopic repair Mini-open repair (small and medium tears) Open repair (all sizes)
Rotator cuff repar constructs Single row repair (simple suture/mattress) Double row repair (medial and lateral based anchors) Transosseous equivalent
Complications Infection (Proprionibact acnes) Deltoid dehiscence Recurrent tear Iatrogenic injury suprascap nerve Stiffness (cave low grade infection) Missed other pathologic conditions (biceps, AC, instability, arthritis, cervical/neurological pathology)
Arthroscopic repair
Arthroscopic repair
Arthroscopic repair
Traumatic Shoulder Instability Take Home: 4 times a row Recurrency dependant on age Repair Capsulolabral avulsion Repair/Correct Capsular redundancy Recognition significant bony defects
Rotator cuff tear Take Home Partial tears progress in size and symptoms MRI (sagittal): retraction,atrophy Older patients do well with non-surgical treatment Maintain integrity CA ligament Rule out bad prognostic factors