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Lateral Rectus Disabling and Simultaneous Modified Nishida Procedure for Exotropic Duane Retraction Syndrome. | LitMetric

AI Article Synopsis

  • Exotropic-Duane Syndrome (XT-DRS) is a congenital eye condition resulting in symptoms like exotropia, anomalous head posture, and difficulties with eye movement due to abnormal nerve function.
  • The study focuses on two patients who underwent a specialized surgical procedure combining lateral rectus muscle disinsertion and a modification of the Nishida procedure to improve their eye alignment and movement.
  • Post-surgery, both patients showed significant improvements, including reduced exotropia and head posture issues, as well as enhanced convergence ability.

Article Abstract

Exotropic-Duane Syndrome (XT-DRS) is a congenital cranial nerve dysinnervation disorder characterized by exotropia, anomalous head posture (contralateral face turn), limited adduction, globe retraction, palpebral fissure narrowing, upshoot and downshoot in adduction, and varying levels of limitation of abduction. Patients with XT-DRS often have poor convergence because attempted convergence induces co-contraction of the lateral rectus muscle (LR) due to anomalous LR innervation. We describe two patients with XT-DRS who underwent simultaneous lateral rectus muscle (LR) disinsertion and periosteal fixation (LRDAPF) and modified Nishida procedure (MNP) and discuss their outcome. In one patient, we combined this procedure with a contralateral LR recession. Anomalous head posture, exotropia, globe retraction, and palpebral fissure narrowing were reduced. Upshoot and downshoot were also reduced. Convergence improved in both patients.

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Source
http://dx.doi.org/10.1080/2576117X.2024.2375666DOI Listing

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