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The rotator cuff can cause pain in many different ways including tendonitis, bursitis, calcific tendonitis, partial thickness tears, full thickness tears or mechanical impingement. [5] Tendinitis, bursitis, and impingement syndrome can be treated with tendon repair and the Mumford procedure or acromioplasty. [citation needed]
National joint registries have reported 10-year survivorship for the diagnosis of rotator cuff arthropathy of 94.1%. Increasing surgeon experience with the reverse prosthesis has seen a decrease in complications and a change in the indications for surgery. An early expanded indication was primary osteoarthritis with loss of rotator cuff function.
Rotator cuff tendinopathy is a process of senescence. The pathophysiology is mucoid degeneration. [4] Most people develop rotator cuff tendinopathy within their lifetime. [5] As part of rotator cuff tendinopathy, the tendon can thin and develop a defect. This defect is often referred to as a rotator cuff tear.
As reverse shoulder replacement has become more popular, the indications have expanded to include shoulder “pseudoparalysis” due to massive rotator cuff tears, shoulder fractures, severe bone loss on the scapula or humerus precluding the use of standard implants and failed prior shoulder replacement procedures. [6]
The rotator cuff compresses the glenohumeral joint during abduction of the arm, an action known as concavity compression, in order to allow the large deltoid muscle to further elevate the arm. In other words, without the rotator cuff, the humeral head would ride up partially out of the glenoid fossa, lessening the efficiency of the deltoid muscle.
For all forms of rotator cuff tears, depending on the severity of the injury, possible treatments include rest, an arm sling, physical therapy, steroid injections, and non-steroidal anti-inflammatory drugs, or surgery. [24] When this type of cartilage starts to wear out (a process called arthritis), the joint becomes painful and stiff. [21 ...