Marginal myotomy of the minimally overacting inferior oblique muscle in asymmetric bilateral superior oblique palsies

Mellott, Mei L.; Scott, William E.; Ganser, Gail L.; Keech, Ronald V.

doi:10.1067/mpa.2002.123656

Cited by 15 publications

(4 citation statements)

References 6 publications

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“…Bilateral superior oblique palsy can be managed using a wide variety of surgical procedures, although there is no consensus on the optimal approach. Some authors defend surgery on the superior oblique muscle: resections, tucking, Harada-Ito procedure, and its modifications, with or without adjustable sutures (1,4,(17)(18)(19), while others prefer surgery on the inferior oblique or inferior rectus muscle (13,20,21). The recurrence rate is high (19), several procedures are required (4,18,22), and the results are unpredictable (persistence of some degree of excyclotorsion and esotropia on downgaze that can be an obstacle for fusion and resolution of diplopia [23]).…”

Section: Discussionmentioning

confidence: 99%

Bilateral Superior Oblique Palsy: Etiology and Therapeutic Options

Merino

Rojas

Liaño

et al. 2013

European Journal of Ophthalmology

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Section: Discussionmentioning

confidence: 99%

Bilateral Superior Oblique Palsy: Etiology and Therapeutic Options

Merino

Rojas

Liaño

et al. 2013

European Journal of Ophthalmology

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“…[ 1 16 ] Clinical and in vitro biomechanical efficacies of MM or Z myotomy on the weakening of extraocular muscle have been evaluated on the basis of surgical outcomes. [ 13 19 20 21 ]…”

Section: Discussionmentioning

confidence: 99%

Unilateral medial rectus muscle recession combined lateral rectus muscle marginal myotomy for the treatment of Duane's retraction syndrome: A promising surgical procedure

2020

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“…Surgical options for hypertropia in superior oblique palsy include: ipsilateral superior oblique tendon plication (’tucking’) (Bhola 2005; Durnian 2011); superior oblique tendon resection and advancement (Luton 1998; Wheeler 1934); procedures to weaken the ipsilateral inferior oblique, including recession (Hendler 2013; Parks 1972), myectomy (Bahl 2013; Lee 2015), myotomy (Lee 2015), marginal myotomy (Mellott 2002), disinsertion (Parks 1972; Yanyali 2001), anterior transposition (Elliott 1981; Farvardin 2002), anterior nasal transposition (Hussein 2007; Stager 2003), and orbital fixation (Ela-Dalman 2007); ipsilateral superior rectus recession (Ahn 2012); and contralateral inferior rectus recession (Mahmoud 2009). …”

Section: Introductionmentioning

confidence: 99%

Surgical interventions for vertical strabismus in superior oblique palsy

Chang¹,

Coleman²,

Tseng³

et al. 2017

Cochrane Database of Systematic Reviews

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Background Superior oblique palsy is a common cause of vertical strabismus in adults and children. Patients may be symptomatic from binocular vertical diplopia or compensatory head tilt required to maintain single vision. Most patients who are symptomatic elect to undergo strabismus surgery, but the optimal surgical treatment for vertical strabismus in people with superior oblique palsy is unknown. Objectives To assess the relative effects of surgical treatments compared with another surgical intervention, non-surgical intervention, or observation for vertical strabismus in people with superior oblique palsy. Search methods We searched the Cochrane Central Register of Controlled Trials (CENTRAL) (which contains the Cochrane Eyes and Vision Trials Register) (2016, Issue 12), MEDLINE Ovid (1946 to 13 December 2016), Embase Ovid (1947 to 13 December 2016), Latin American and Caribbean Health Sciences Literature Database (LILACS) (1982 to 13 December 2016), the ISRCTN registry (www.isrctn.com/editAdvancedSearch); searched 13 December 2016, ClinicalTrials.gov (www.clinicaltrials.gov); searched 13 December 2016, and the World Health Organization (WHO) International Clinical Trials Registry Platform (ICTRP) (www.who.int/ictrp/search/en); searched 13 December 2016. We did not use any date or language restrictions in the electronic searches for trials. Selection criteria We included randomized trials that compared at least one type of surgical intervention to another surgical or non-surgical intervention or observation. Data collection and analysis Two review authors independently completed eligibility screening, data abstraction, ’Risk of bias’ assessment, and grading of the evidence. Main results We identified two randomized trials comparing four different surgical treatments for this condition, two methods in each trial. The studies included a total of 45 children and adults. The surgical treatments were all procedures to weaken the ipsilateral inferior oblique muscle. One study compared inferior oblique myectomy to recession of 10 mm; the other study compared inferior oblique disinsertion to anterior transposition (2 mm anterior to the temporal border of the inferior rectus insertion). We judged both studies to be at unclear risk of bias due to incomplete reporting of methods and other methodological deficiencies. Neither study reported data on the primary outcome of this review, which was the proportion of participants with postoperative surgical success, defined as hypertropia less than 3 prism diopters (PD) in primary gaze. However, both studies reported the average reduction in hypertropia in primary gaze. One study found that at 12 months’ postoperatively the average decrease in hypertropia was higher in participants who underwent inferior oblique myectomy than in those who underwent recession, however data were not available for statistical comparison. The other trial found that after at least six months of follow-up, the mean decrease in primary position hypertropia was lower in participants who und...

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Marginal myotomy of the minimally overacting inferior oblique muscle in asymmetric bilateral superior oblique palsies

Cited by 15 publications

References 6 publications

Bilateral Superior Oblique Palsy: Etiology and Therapeutic Options

Bilateral Superior Oblique Palsy: Etiology and Therapeutic Options

Unilateral medial rectus muscle recession combined lateral rectus muscle marginal myotomy for the treatment of Duane's retraction syndrome: A promising surgical procedure

Surgical interventions for vertical strabismus in superior oblique palsy

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