An Adjustable Transposition Procedure for Abduction Deficiencies

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Cited by (48)

  • Double-under muscle transposition: an effective surgical option for large-angle paralytic strabismus

    2021, Journal of AAPOS
    Citation Excerpt :

    This sometimes occurs after injury but cannot explain why adduction was restored soon after DUT in this patient. Reportedly, the mean treatment effect of the conventional (half-tendon) Hummelsheim procedure was 41Δ,2 increasing to 51Δ-57Δ when combined with recession of the antagonistic medial rectus muslce.2,3 Of note, full-tendon transposition did not produce a greater effect: the mean effects ranged from 26Δ to 39Δ.4-7

  • Transposition procedures in Duane retraction syndrome

    2019, Journal of AAPOS
    Citation Excerpt :

    Transposition procedures may involve one or both vertical rectus muscles and may or may not involve full or partial disinsertion of the rectus muscle(s) from the insertion. Options involving both vertical rectus muscles include full vertical rectus transposition (VRT), which involves displacement of both the superior and inferior rectus muscles to the insertion of the lateral rectus muscle,5,6 partial VRT, rectus muscle union (Jensen procedure), and other modifications. Options involving one vertical rectus muscle include superior rectus transposition (SRT) and inferior rectus transposition (IRT).

  • Plication augmentation of the modified Hummelsheim procedure for treatment of large-angle esotropia due to abducens nerve palsy and type 1 Duane syndrome

    2015, Journal of AAPOS
    Citation Excerpt :

    Neugebauer and colleagues5 modified the Hummelsheim procedure by also suturing the temporal transposed lateral strips of the superior and inferior rectus muscles to the posterior lateral rectus muscle after they are attached to sclera by the lateral rectus insertion. An adjustable technique for the Hummelsheim procedure was also reported for half muscle transpositions.13 When a transposition is performed, the risk of anterior segment ischemia becomes an important factor in the surgical decision making, especially in patients with complete abducens nerve palsy, where the ipsilateral medial rectus should be weakened in addition to vertical rectus muscle transposition.

  • Adjustable suture technique for enhanced transposition surgery for extraocular muscles

    2010, Journal of AAPOS
    Citation Excerpt :

    This was a 3-muscle conventional transposition patient who had nonadjustable sutures and an unsuccessful attempt at vessel sparing because no surface vessels were visible. Table 5 shows a comparison of results from 15 studies that used various transposition procedures.3,6-13,15-19 All of these procedures decreased the deviation in straight-ahead gaze, decreased compensatory head postures, and improved ductions.

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This study, was supported by grant 5 P30 EY01186 and training grant 5 T32 EY07027 from the National Institute of Health, and by the Smith-Kettlewell Eye Research Foundation.

Reprint requests to Arthur Jampolsky, M.D., Smith-Kettlewell Institute of Visual Sciences, 2232 Webster St., San Francisco, CA 94115.

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