Comparison of two different orientations of advanced tight rope implant for distal radioulnar joint instability in same patient - efficacy, recovery and range of motion

Somasundar Krishnan; Anitha Nagarajan

doi:10.18203/issn.2455-4510.IntJResOrthop20261234

Authors

Somasundar Krishnan Orthopaedic Surgeon, S2 Ortho Care, Dhandeeswaram, Velachery, Chennai, Tamil Nadu, India
Anitha Nagarajan Department of Oral and Maxillofacial Pathology, Sree Balaji Dental College and Hospital, Pallikaranai, Chennai, Tamil Nadu, India https://orcid.org/0000-0002-8685-7894

DOI:

https://doi.org/10.18203/issn.2455-4510.IntJResOrthop20261234

Keywords:

DRUJ, DRUJ instability, TFCC, Triangular fibrocartilage complex, Tight rope implant, Suture button

Abstract

The distal radioulnar joint (DRUJ) is the wrist joint that allows rotation of forearm. It involves two bones-The Ulna and the Radius. The distal radioulnar joint is stabilised by ligaments, muscles and bones. The wrist or the forearm joint allows 180 degrees of pronation and supination of forearm by 4 components namely the Radio capitellar joint, the proximal radioulnar joint, interosseous membrane and DRUJ. The triangular Fibrocartilage complex (TFCC) is the primary structure for intrinsic stability of DRUJ with predominantly radioulnar ligaments. Both superficial and deep radioulnar fibres of TFCC plays role in DRUJ stability. The triangular fibrocartilage complex being an essential stabiliser biomechanically furnishes unrestricted range of motion of forearm. In the tears of radioulnar ligaments, the ulnar sided ligament tears are detected to cause DRUJ instability more common. This article discusses a case of DRUJ instability of both right and left wrists in same patient due to trauma with symptoms at varied time period. The advanced tight rope implant was placed in the wrists to regain the function. This case report compares and discusses the efficacy, recovery and range of motion of two different orientations (straight and oblique) of the advanced tight rope implant in DRUJ instability.

Author Biographies

Somasundar Krishnan, Orthopaedic Surgeon, S2 Ortho Care, Dhandeeswaram, Velachery, Chennai, Tamil Nadu, India

Consultant, Orthopaedic Surgeon

Anitha Nagarajan, Department of Oral and Maxillofacial Pathology, Sree Balaji Dental College and Hospital, Pallikaranai, Chennai, Tamil Nadu, India

Reader, Department of Oral and Maxillofacial pathology

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