Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus · 2012
Mini-plication to treat small-angle strabismus: A minimally invasive procedure.
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Leenheer Rebecca S, Wright Kenneth W
Аннотация
BACKGROUND: Mini-plication is a new rectus muscle tightening procedure for the correction of small-angle strabismus that can be performed under topical anesthesia. The purpose of this study was to report the outcomes of mini-rectus muscle plication.
METHODS: We retrospectively reviewed the medical records of patients who underwent mini-plication. In this procedure, 6-0 polyglactin 910 suture was secured to the central 3 to 4 mm of the muscle belly 5 mm posterior to the insertion and was then passed through the sclera just anterior to the muscle insertion to plicate the central portion of the muscle. This differs from the standard procedure, in which the entire width of the muscle is plicated. Two groups were analyzed: those who underwent mini-plication alone and those who underwent mini-plication after prior antagonist muscle-weakening surgery.
RESULTS: Our review identified nine patients aged 5 to 78 years. Topical anesthesia was used for all adults, who experienced no local or systemic complications. Mini-plication reduced vertical and horizontal deviations an average (± SD) of 6.7(Δ) ± 3.5(Δ). The mini-plication-only group (3 patients) had an average postoperative correction of 5.5(Δ) ± 2.6(Δ); the prior surgery group (6 patients), an average of 9(Δ) ± 2.7(Δ). Diplopia was noted in 50% of the adults preoperatively and none postoperatively. All patients experienced a decrease in strabismus, with an average outcome of <5(Δ) of postoperative deviation.
CONCLUSIONS: Mini-plication, which can be performed under topical anesthesia, corrected small deviations and was especially useful for adult strabismus patients with diplopia.
METHODS: We retrospectively reviewed the medical records of patients who underwent mini-plication. In this procedure, 6-0 polyglactin 910 suture was secured to the central 3 to 4 mm of the muscle belly 5 mm posterior to the insertion and was then passed through the sclera just anterior to the muscle insertion to plicate the central portion of the muscle. This differs from the standard procedure, in which the entire width of the muscle is plicated. Two groups were analyzed: those who underwent mini-plication alone and those who underwent mini-plication after prior antagonist muscle-weakening surgery.
RESULTS: Our review identified nine patients aged 5 to 78 years. Topical anesthesia was used for all adults, who experienced no local or systemic complications. Mini-plication reduced vertical and horizontal deviations an average (± SD) of 6.7(Δ) ± 3.5(Δ). The mini-plication-only group (3 patients) had an average postoperative correction of 5.5(Δ) ± 2.6(Δ); the prior surgery group (6 patients), an average of 9(Δ) ± 2.7(Δ). Diplopia was noted in 50% of the adults preoperatively and none postoperatively. All patients experienced a decrease in strabismus, with an average outcome of <5(Δ) of postoperative deviation.
CONCLUSIONS: Mini-plication, which can be performed under topical anesthesia, corrected small deviations and was especially useful for adult strabismus patients with diplopia.