Clin Should Elbow.  2021 Sep;24(3):172-177. 10.5397/cise.2021.00311.

Arthroscopic release in adhesive capsulitis of the shoulder: a retrospective study with 2 to 6 years of follow-up

Affiliations
  • 1Orthopedic Research Center, Department of Orthopedics, Poursina Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
  • 2Guilan Road Trauma Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
  • 3Department of Orthopedics, Poursina Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran

Abstract

Background
This study aimed to evaluate the response rate to arthroscopic release treatment in adhesive capsulitis of the shoulder (ACS) for patients with refractory to conservative treatment.
Methods
In this retrospective study, 51 patients (age mean, 49.1±5.6 years) with unilateral adherent capsule underwent arthroscopic releasing surgery for the shoulder capsule. Etiologies of the ACS in 30 patients were idiopathic: 10 patients were affected after surgery and 11 patients following trauma. The patients were evaluated in terms of shoulder function, satisfaction rate, pain intensity, and joint range of motion (ROM) based on a Constant score, a Simple Shoulder Test, the visual analog scale, and four movements, respectively.
Results
The mean Constant score before surgery was 48.2±3.5 and reached 74.4±6 and 77.0±6.3 at 6 months and the final follow-up, respectively (p<0.001). The mean scores of pain intensity, a Simple Shoulder Test, and ROM showed significant improvement at all follow-ups (p<0.001). Sex, age, and diabetes did not have any significant effect on patient recovery. However, patients who experienced ACS after surgery had poorer results than others at all follow-up points.
Conclusions
Arthroscopic releasing surgery of the shoulder in patients with ACS refractory to conservative treatment produces rare complications and an effective injury response. It seems that patients suffering ACS following surgery have a weaker response to the treatment.

Keyword

Frozen shoulder; Adhesive capsulitis; Arthroscopy; Functional score
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