J Wrist Surg 2021; 10(03): 249-254
DOI: 10.1055/s-0040-1721140

Arthroscopic Capsular Repair for Triangular Fibrocartilage Complex Tears

Takehiko Takagi
1   Department of Surgical Specialties, Division of Orthopaedic Surgery, National Center for Child Health and Development, Tokyo, Japan
Toshiyasu Nakamura
2   Department of Orthopaedic Surgery, School of Medicine, International University of Health and Welfare, Tokyo, Japan
Masatoshi Fukuoka
3   Department of Orthopaedic Surgery, Saitama City Hospital, Saitama, Japan
› Institutsangaben


Background The triangular fibrocartilage complex (TFCC) lesions are frequently implicated as a cause of ulnar wrist pain following impact and loading injuries. The objective of this study was to describe the clinical outcomes following TFCC lesion repair with the arthroscopic outside-in technique.

Description of Technique We inserted a 21-gauge needle with 4–0 nylon loop perpendicular to the injured triangular fibrocartilage (TFC). We held two 4–0 nylon loops with mosquito forceps, drew them once out of the joint through a 4 to 5 portal, and put both sides through each loop. After that, we pulled out the 21-gauge needles and performed outside-in sutures after making a small incision and tying directly over the capsule.

Patients and Methods Twenty-one wrists who underwent arthroscopic capsular repair were included. Arthroscopic findings were evaluated, and we used a distal radioulnar joint (DRUJ) evaluation system to monitor relief of pain, forearm rotation range of motion, and DRUJ stability postoperatively.

Results Simple ulnar avulsion (Palmer 1B, Atzei Class 1) was recognized in ten wrists. A combination of the 1B tear with a horizontal TFC tear was noted in five wrists; and ulnar avulsion extending to the dorsal half of the TFC was identified in six wrists, including complete dorsal avulsion of the TFC from the capsule. There are significantly better results in the cases whose preoperative periods were 15 months or less.

Conclusion The outside-in TFC repair technique produced excellent clinical results for peripheral detachment of the TFC in cases without severe DRUJ instability and with a preoperative period less than 15 months.


Eingereicht: 04. August 2020

Angenommen: 08. Oktober 2020

Artikel online veröffentlicht:
01. Dezember 2020

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