ADHESIVE CAPSULITIS: MANIPULATION OR ARTHROSCOPIC CAPSULAR DIVISION

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Adhesive Capsulitis


Manipulation or Arthroscopic Capsular Division


Gregory P. Nicholson


The diagnosis of frozen shoulder, or adhesive capsulitis, is one of exclusion. It is a clinical syndrome of painful restricted active and passive glenohumeral motion and is usually associated with activity-related and night pain. Etiologic factors in the pathophysiology can be idiopathic, posttraumatic, postsurgical, diabetic, and even as a consequence of prolonged impingement syndrome. However, the true etiology, diagnostic criteria, pathophysiology, treatment methods, and natural history of this condition are under debate and investigation.


Etiologic Factors



1.    Females > males


2.    Age 40 to 70


3.    Diabetes


4.    Posttrauma (mild to moderate)


5.    Postsurgical


6.    Prolonged impingement


7.    Idiopathic


Physical Examination



1.    Global restriction of glenohumeral motions (all planes).


2.    Can have predominantly external rotation loss (interval, anterior capsule).


3.    Less common, predominant internal rotation loss (posterior capsule). Patient must be examined with arm in abduction, with evaluation of magnitude of internal forearm rotation to pick up posterior capsule involvement.


4.    Always evaluate for concomitant conditions: impingement, acromioclavicular (AC) arthralgia, peripheral neuropathy, and calcific tendinitis.


Diagnostic Tests



1.    True anteroposterior, outlet view, and axillary radiographs will be normal.


2.    Differential injections of lidocaine and corticosteroid: subacromial space and glenohumeral joint: then reassess motion.


3.    Arthrography—limited joint volume.


4.    Magnetic resonance imaging, computed tomography, EMG, and bone scan offer little diagnostic information except to exclude other pathology.


Pathophysiology



1.    Still under investigation


2.    Initiating factor seems to be an inflammatory glenohumeral synovitis resulting from an unknown insult


3.    Subsynovial fibrosis


4.    Capsular fibrosis and thickening


5.    Capsular contracture


Conservative Treatment Options



1.    Patience.


2.    Home stretching and motion.


3.    Formal physiotherapy.


4.    Intraarticular steroid injections.


5.    Systemic steroids.


6.    Analgesics and nonsteroidal anti-inflammatory drug medication.


7.    As motion is restored, the symptoms seem to abate.


8.    Residual motion and functional deficits are not uncommon.


Recalcitrant Frozen Shoulder



1.    Limitation of passive and active motion


2.    Sleep disturbance


3.    Pain and shoulder dysfunction


4.    Symptoms prevalent for at least 3 months


5.    No response to at least 6 weeks of therapy (surgeon-directed therapy toward the known diagnosis of shoulder stiffness)


Manipulation under Anesthesia


Indications


Idiopathic adhesive capsulitis.


Contraindications



1.    Osteopenia


2.    Reflex sympathetic dystrophy


3.    Posttraumatic or postsurgical stiffness


4.    Diabetics—worsens with time after manipulation


5.    Profound loss of motion (<10 degrees of ER at side)


6.    Predominant IR loss (posterior capsule involvement)


Anesthetic Options



1.    General


2.    Scalene block


3.    Intraarticular catheter for “pain pump” local anesthetic administration


Manipulation Technique



1.    Grasp the humerus proximally to apply pressure.


2.    Keep the elbow bent to avoid a long lever arm.


3.    An assistant should apply counterpressure on the acromion/scapula.


Sequence of Maneuvers



1.    Abduction to 90 to 120 degrees


2.    Forward elevation in scapular plane


3.    External rotation at side


4.    External rotation at 90 degrees of abduction


5.    Internal rotation at 90 degrees of abduction


6.    Cross-body adduction/internal rotation


Do not force beyond palm pressure of manipulating hand. Be prepared for manipulation to be unable to restore motion completely.


Arthroscopic Capsular Release


Indications



1.    Idiopathic adhesive capsulitis


2.    Recalcitrant frozen shoulder


3.    Diabetic frozen shoulder


4.    Postsurgical and posttraumatic stiffness


5.    Failed manipulation

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Aug 8, 2016 | Posted by in ORTHOPEDIC | Comments Off on ADHESIVE CAPSULITIS: MANIPULATION OR ARTHROSCOPIC CAPSULAR DIVISION

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