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The Rocker Technique for Atlantoaxial Dislocation With or Without Basilar Invagination: A Prospective Observational

Jitin Bajaj¹, Jayant Patidar¹, Diya Bajaj²

¹Department of Neurosurgery, Superspeciality Hospital, NSCB Medical College, Jabalpur , India.

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|July 12, 2024

Summary

This summary is machine-generated.

The Rocker technique offers a safe and effective method for reducing atlantoaxial dislocation (AAD), simplifying surgical procedures for both reducible and irreducible cases. This innovative approach shows promise in improving patient outcomes and simplifying complex spinal instrumentation.

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Area of Science:

Neurosurgery
Orthopedic Surgery
Spinal Surgery

Background:

Atlantoaxial dislocation (AAD) presents significant surgical challenges, particularly in reducing the atlantodental interval.
Existing techniques face difficulties with irreducible AAD and specific C1-C2 joint orientations.
The Rocker instrument offers a novel approach to simplify AAD reduction.

Purpose of the Study:

To evaluate the safety and efficacy of the Rocker technique for managing atlantoaxial dislocation (AAD).
To assess the Rocker technique's effectiveness in reducing the atlantodental interval in various AAD presentations.
To compare the Rocker technique with established methods for AAD reduction.

Main Methods:

Prospective observational study of 55 patients with AAD from January 2022 to July 2023.
Inclusion of all age groups with AAD, with or without basilar invagination.
Application of the Rocker technique followed by 6-12 months of patient follow-up.

Main Results:

Successful Rocker technique application in 53 out of 55 patients.
Significant reduction in the anterior atlantodental interval (7.21 to 2.98 mm).
Improved functional outcomes and successful reduction of basilar invagination in all applicable cases.

Conclusions:

The Rocker technique is a safe and effective alternative for managing reducible and irreducible AAD.
This technique simplifies the reduction process for AAD, offering advantages over traditional methods.
Further research is recommended to validate the Rocker technique, especially for rotational deformities.