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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04710966
Other study ID # wangteng
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date September 1, 2017
Est. completion date November 15, 2020

Study information

Verified date January 2021
Source The Affiliated Hospital of Qingdao University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to conduct a prospective randomized controlled trial to compare the effects of arthroscopic debridement and repair for Ellman grade II bursal-side partial-thickness rotator cuff tears.The hypothesis was that there would be no difference in prognosis between arthroscopic debridement and repair.


Description:

This was a single-center, prospective, double-blinded, randomized controlled trial, comparing arthroscopic debridement and arthroscopic repair for Ellman grade II BPTRCTs. Participants were recruited from September 2017 to April 2019. Before initiating the trial, an investigator who was not involved in the study generated a computer-generated randomization list (block length 10, ratio 1:1). Allocation concealment was achieved by using opaque, sealed, sequentially numbered envelopes containing details of group assignment. Assignment occurred after baseline information was recorded. Whereas participants and surgeons were aware of the group assignments, the outcome assessors and data analysts were remained blinded during the study period. Operations were performed by the same team of sports medicine surgeons under general anesthesia. For the debridement group, only stump refreshing and surrounding soft tissue cleaning were performed. For the repair group, partial tears were converted into full-thickness tears and sutured. The sample size calculation was based on data from previous studies, where the difference in Constant-Murray Shoulder (CMS) score between patients with arthroscopic repair and arthroscopic debridement was 8.81 points (93.90 vs. 85.09) with standard deviations of 5.4 and 21. Accepting an α risk of 0.05 and a β risk of 0.2 in a bilateral contrast, the minimum sample size required for each group was 35. To compensate for an estimated 15% loss to follow up, at least 82 patients would be included.


Recruitment information / eligibility

Status Completed
Enrollment 179
Est. completion date November 15, 2020
Est. primary completion date October 31, 2020
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria: - Bursal-side partial-thickness rotator cuff tears (BPTRCTs) revealed by magnetic resonance imaging (MRI) - Failed of conservative treatment for more than 3 months - Intraoperative arthroscopic confirmed that the tear was Ellman grade II Exclusion Criteria: - Previous surgical surgery on the shoulder - Articular-side or intratendinous rotator cuff tears - Combined articular-side partial-thickness rotator cuff tears(APRCTs) and Bursal-side partial-thickness rotator cuff tears (BPRCTs), or full-thickness rotator cuff tears (RCTs) - Combined with other shoulder lesions that need to be addressed, such as biceps tendon disorders, labral tears - The presence of other diseases that affect shoulder function - Contraindication to arthroscopic surgery or anesthesia

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
arthroscopic debridement
For the arthroscopic debridement, only stump refreshing and surrounding soft tissue cleaning were performed.
arthroscopic repair
For the arthroscopic repair, we converted partial tears into full-thickness tears and sutured them.

Locations

Country Name City State
China Affiliated Hospital of Qingdao University Qingdao

Sponsors (1)

Lead Sponsor Collaborator
The Affiliated Hospital of Qingdao University

Country where clinical trial is conducted

China, 

References & Publications (7)

Chung SW, Kim JY, Yoon JP, Lyu SH, Rhee SM, Oh SB. Arthroscopic repair of partial-thickness and small full-thickness rotator cuff tears: tendon quality as a prognostic factor for repair integrity. Am J Sports Med. 2015 Mar;43(3):588-96. doi: 10.1177/03635 — View Citation

Cordasco FA, Backer M, Craig EV, Klein D, Warren RF. The partial-thickness rotator cuff tear: is acromioplasty without repair sufficient? Am J Sports Med. 2002 Mar-Apr;30(2):257-60. — View Citation

Ellman H. Diagnosis and treatment of incomplete rotator cuff tears. Clin Orthop Relat Res. 1990 May;(254):64-74. Review. — View Citation

Kwon OS, Kelly JI. Outcome analysis of arthroscopic treatment of partial thickness rotator cuff tears. Indian J Orthop. 2014 Jul;48(4):385-9. doi: 10.4103/0019-5413.136249. — View Citation

Strauss EJ, Salata MJ, Kercher J, Barker JU, McGill K, Bach BR Jr, Romeo AA, Verma NN. Multimedia article. The arthroscopic management of partial-thickness rotator cuff tears: a systematic review of the literature. Arthroscopy. 2011 Apr;27(4):568-80. doi: — View Citation

Wolff AB, Magit DP, Miller SR, Wyman J, Sethi PM. Arthroscopic fixation of bursal-sided rotator cuff tears. Arthroscopy. 2006 Nov;22(11):1247.e1-4. — View Citation

Zhang Y, Zhai S, Qi C, Chen J, Li H, Zhao X, Yu T. A comparative study of arthroscopic débridement versus repair for Ellman grade II bursal-side partial-thickness rotator cuff tears. J Shoulder Elbow Surg. 2020 Oct;29(10):2072-2079. doi: 10.1016/j.jse.202 — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary The Visual Analog Scale score Assess pain on a scale of 0 (no pain) to 10 (worst possible pain). Baseline
Primary The Visual Analog Scale score Assess pain on a scale of 0 (no pain) to 10 (worst possible pain). Postoperative 6 months
Primary The Visual Analog Scale score Assess pain on a scale of 0 (no pain) to 10 (worst possible pain). Postoperative 12 months
Primary The Visual Analog Scale score Assess pain on a scale of 0 (no pain) to 10 (worst possible pain). Postoperative 18 months
Primary Constant-Murray Shoulder score An assessment method often used by orthopedic surgeons when assessing the condition of patients with shoulder joints. Possible scores range from 0 to 100,a higher score means a better result. Baseline
Primary Constant-Murray Shoulder score An assessment method often used by orthopedic surgeons when assessing the condition of patients with shoulder joints.Possible scores range from 0 to 100,a higher score means a better result. postoperative 6 months
Primary Constant-Murray Shoulder score An assessment method often used by orthopedic surgeons when assessing the condition of patients with shoulder joints.Possible scores range from 0 to 100,a higher score means a better result. postoperative 12 months
Primary Constant-Murray Shoulder score An assessment method often used by orthopedic surgeons when assessing the condition of patients with shoulder joints.Possible scores range from 0 to 100,a higher score means a better result. postoperative 18 months
Primary American Shoulder and Elbow Surgeon score The evaluation criteria used to assess shoulder joint function based on the patients' pain and accumulated daily activities. Possible scores range from 0 to 100. The higher the score, the better the shoulder joint function. Baseline
Primary American Shoulder and Elbow Surgeon score The evaluation criteria used to assess shoulder joint function based on the patients' pain and accumulated daily activities. Possible scores range from 0 to 100. The higher the score, the better the shoulder joint function. postoperative 6 months
Primary American Shoulder and Elbow Surgeon score The evaluation criteria used to assess shoulder joint function based on the patients' pain and accumulated daily activities. Possible scores range from 0 to 100. The higher the score, the better the shoulder joint function. postoperative 12 months
Primary American Shoulder and Elbow Surgeon score The evaluation criteria used to assess shoulder joint function based on the patients' pain and accumulated daily activities. Possible scores range from 0 to 100. The higher the score, the better the shoulder joint function. postoperative 18 months
Primary University of California-Los Angeles score The score mainly consists of two parts. Patients subjectively evaluate pain and functional activity; and doctors objectively evaluate shoulder joint mobility and muscle strength. Possible scores range from 0 to 35, a higher score means a better result. Baseline
Primary University of California-Los Angeles score The score mainly consists of two parts. Patients subjectively evaluate pain and functional activity; and doctors objectively evaluate shoulder joint mobility and muscle strength. Possible scores range from 0 to 35, a higher score means a better result. postoperative 6 months
Primary University of California-Los Angeles score The score mainly consists of two parts. Patients subjectively evaluate pain and functional activity; and doctors objectively evaluate shoulder joint mobility and muscle strength. Possible scores range from 0 to 35, a higher score means a better result. postoperative 12 months
Primary University of California-Los Angeles score The score mainly consists of two parts. Patients subjectively evaluate pain and functional activity; and doctors objectively evaluate shoulder joint mobility and muscle strength. Possible scores range from 0 to 35, a higher score means a better result. postoperative 18 months
Secondary Grading of rotator cuff integrity The integrity of the rotator cuff was assessed by magnetic resonance imaging (MRI) according to a grading criteria, as follows: Grade I and II, sufficient thickness with low or partial high intensity; Grade III, insufficient thickness without discontinuity; Grade IV and V, presence of a minor or major discontinuity. 18 months after surgery
Secondary Grading of muscle atrophy Muscular atrophy was assessed on oblique sagittal MRI images using an occupation ratio measured by dividing the supraspinatus muscle's cross-sectional area by that of the supraspinatus fossa on the oblique-sagittal view. When the ratio was between 1.00 and 0.60, the muscle was considered normal or with slight atrophy (Grade I); values between 0.60 and 0.40 indicated moderate atrophy (Grade II); values below 0.40 indicated severe atrophy (Grade III). 18 months after surgery
Secondary Grading of fatty degeneration Fatty degeneration in supraspinatus muscle was assessed by magnetic resonance imaging (MRI) according to a grading system with stages 0-4 as follows: grade 0, no fat; Grade 1, thin fatty streaks; Grade 2, heavy fat infiltration, with muscle still pre-dominating; Grade 3, even distribution of fat and muscle; Grade 4, more fat than muscle. 18 months after surgery
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