A retrospective analysis was performed on patients with bursal-side partial-thickness rotator cuff tears who underwent arthroscopic surgery from January 2009 to December 2011. To investigate the diagnosis and arthroscopic treatment of partial rotator cuff bursa lateral tear, and to evaluate the postoperative functional outcome and tendon healing.

To study the surgical method and clinical effect of arthroscopic treatment for partial tear of rotator cuff bursa. A retrospective analysis was performed on patients bursal-side partial-thickness rotator cuff tears who underwent arthroscopic surgery from January 2009 to December 2011. Preoperative X-ray and MRI were performed. Rotator cuff repair was performed during the operation. UCLA shoulder scoring scale was used to evaluate the joint at preoperative and final follow-up.

Inclusion Criteria:

• From January 2009 to December 2011, patients with bursal-side partial-thickness rotator cuff tears who underwent arthroscopic surgery at Peking University Third Hospital and were followed up.

exclude:

Exclusion Criteria:

• Patients with frozen shoulder and unstable shoulder joints.

Patients diagnosed with bursal-side partial-thickness rotator cuff tears, there has been very little research on bursal-side partial-thickness rotator cuff tears, which has no consensus on diagnosis and treatment.