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. 2024 Apr 2;4(2):26350254231212232.
doi: 10.1177/26350254231212232. eCollection 2024 Mar-Apr.

All-Inside ACL Reconstruction: Short Femoral and Tibial Socket Technique

Dai Sato  1   2 , Samuel G Moulton  1 , Drew A Lansdown  1 , C Benjamin Ma  1
Affiliations

All-Inside ACL Reconstruction: Short Femoral and Tibial Socket Technique

Dai Sato et al. Video J Sports Med. .

Abstract

Background: Recently, there has been an increase in interest in all-inside anterior cruciate ligament (ACL) reconstruction (ACLR). Regarding graft maturity, graft contact with the bone tunnel is important. All-inside ACLR with short femoral and tibial sockets might allow to increase the contact between the graft and the socket (ie, no interference screw and contact between the graft and bottom of the socket) and can improve graft maturing.

Indications: All-inside ACLR with short sockets technique is indicated in patients with primary ACL rupture or ACL graft re-rupture.

Technique description: The patient was placed in supine position. Following examination under anesthesia, diagnostic arthroscopy was performed to assess for meniscus injuries and chondral defects. The surgical technique required 6 steps: (1) graft preparation (4-strand semitendinosus tendon, graft length was about 45 mm, grafts larger than 8 mm), (2) creating femoral socket (5-10 mm), (3) creating tibial tunnel socket (10-15 mm), (4) passing the graft, (5) tensioning the graft, and (6) graft fixation and skin closure. Patients were partial weightbearing with crutches for 3 weeks and used a hinged knee brace for 6 weeks after surgery. Return to activities was based on functional strength recovery, with a return to running targeted at 4 to 5 months after surgery.

Results: All-inside ACLR with short sockets technique provides a better chance of return to preinjury level of activity with accompanied patient satisfaction as compared with anteromedial portal technique at 2 years of follow-up. This technique has favorable functional and clinical outcomes with improvement of graft maturing.

Discussion/conclusion: In conclusion, we propose that ACLR with short tibial and femoral socket technique is simple and safe with favorable clinical outcomes. This is an advantageous ACLR technique that can preserve the gracilis muscle and reduce muscle strength loss of affected limbs. In addition, the all-inside technique is circumferential filling of the socket with the graft, which might increase bone to graft contact compared with interference screws. Further study is needed to show the better clinical outcome and the earlier graft maturation compared with ordinary ACLR.

Patient consent disclosure statement: The author(s) attests that consent has been obtained from any patient(s) appearing in this publication. If the individual may be identifiable, the author(s) has included a statement of release or other written form of approval from the patient(s) with this submission for publication.

Keywords: ACL; all-inside ACL reconstruction; arthroscopy; graft mature; short socket.

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Conflict of interest statement

One or more of the authors has declared the following potential conflict of interest or source of funding: D.A.L. is a consultant for Vericel and AlloSource. C.B.M. received research assistance from Zimmer, Aesculap, and National Institutes of Health; is a consultant for CONMED and Stryker; receives royalties from CONMED; and is a board member for AOSSM. AOSSM checks author disclosures against the Open Payments Database (OPD). AOSSM has not conducted an independent investigation on the OPD and disclaims any liability or responsibility relating thereto.

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References

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