Early experience with a novel nonmetallic cable in reconstructive hip surgery

Area of Science:

• Orthopedic Surgery
• Biomaterials Science
• Medical Device Innovation

Background:

• Metallic wires and cables are standard for THA fixation but pose risks like fraying and wear.
• Concerns include third-body generation, accelerated bearing surface wear, and surgical team injury.
• Novel nonmetallic cerclage cables offer a potential alternative to address these issues.

Purpose of the Study:

• To evaluate the efficacy of nonmetallic cerclage cables in THA.
• To determine the rates of cable failure, union, and complications.
• To assess the use of these cables in periprosthetic fracture and osteotomy fixation.

Main Methods:

• Retrospective review of 29 patients undergoing primary or revision THA with nonmetallic cables.
• Indications included extended trochanteric osteotomy, femur fractures, and strut allograft fixation.
• Clinical and radiographic follow-up for a minimum of 13 months.

Main Results:

• Two of 29 patients (7%) experienced nonunion; other fractures/osteotomies healed.
• Four patients (14%) had postoperative dislocations, two requiring reoperation.
• No cable breakage or complications directly linked to the nonmetallic cables were identified.

Conclusions:

• Nonmetallic periprosthetic cables offer adequate fixation for osteotomy and fracture healing in THA.
• No complications were directly attributed to the use of these novel cables.
• This suggests a promising alternative to traditional metallic fixation systems.