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GUEST EDITORIAL
Year : 2017  |  Volume : 65  |  Issue : 9  |  Page : 785-786

Plication: How apt in application?


1 Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India
2 Senior Resident, RP Centre for Ophthalmic Sciences, AIIMS, New Delhi, India

Date of Web Publication14-Sep-2017

Correspondence Address:
Pradeep Sharma
Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, Ansari Nagar, New Delhi
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijo.IJO_702_17

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How to cite this article:
Sharma P, Gaur N. Plication: How apt in application?. Indian J Ophthalmol 2017;65:785-6

How to cite this URL:
Sharma P, Gaur N. Plication: How apt in application?. Indian J Ophthalmol [serial online] 2017 [cited 2017 Dec 12];65:785-6. Available from: http://www.ijo.in/text.asp?2017/65/9/785/214656

The standard procedure for strengthening/tightening the muscles is resection, which involves the muscle being disinserted and reinserted back at the point of original insertion, after a part being resected.[1] This, however, makes it irreversible, vulnerable to muscle loss/slippage during surgery and, also compromises the anterior segment circulation. Another strengthening procedure involves the plication or the muscle tuck whereby the muscle is double breasted without disinsertion. However, the “muscle-to-muscle” tuck never acquired general interest probably due to the effect of “cheese wiring” leading to a loss of effect over time. Wright revived the interest by changing the technique from muscle-to-muscle to muscle-to-sclera and also demonstrating the relative preservation of anterior segment circulation and its immunity from getting lost in action.[2] Wright[2] insists on the muscle being folded “over the muscle” for better preservation of circulation but the muscle being folded “under the muscle” too has been described and to be safe in human subjects with the help of iris angiograms.[3] Filling defects were seen in all cases of vertical rectus tenotomies (3/3) as compared to 1/4 in the case of vertical rectus plication surgery and none of the cases (0/5) of horizontal rectus plication surgery. This is possibly due to the role of long posterior ciliary arteries, indicating a relative safety of the procedure on horizontal recti.

Prabha, et al.[4] describe the comparative outcomes of standard resection procedure with plication of rectus muscles. The authors have shown comparable outcomes of both the procedures. The inflammatory changes have also been found to be comparable among both the procedures in the study. However, they have followed up for a maximum 6–8 weeks and have not described the long-term effects of the procedure. A study comparing the outcomes of plication versus resection showed similar and maintained results on comparing medial rectus resection to plication, but the lateral rectus plication showed 37% loss of effect over time.[5] Another recent study has shown plication to be less effective than resection procedure.[6] The authors have reported a higher rate of undercorrections and reoperations in the plication group. The authors also report a higher association of postoperative drift with plication and blame the use of absorbable sutures for inferior outcomes as the effect of plication may decrease once the sutures dissolve.[6]

The other advantage of this procedure is its reversibility in the early postoperative period, and it can be done on adjustable suture for more precision.[7] This surgery can also be done as a minimally invasive strabismus surgery. A mini-plication of just the central 3-4 mm muscle fibers is also described and is easily adjustable too.[8]

The current evidence points toward a slightly inferior outcome of plication surgery as compared to standard resection procedure. A long-term prospective study with a larger sample size and also an improved technique to prevent the postoperative drift and loss of effect would be needed to establish this procedure as an effective alternative to standard resections.

 
  References Top

1.
Wright KW. Color Atlas of Ophthalmic Surgery: Strabismus. Philadelphia: Lippincott; 1991. p. 173-93.  Back to cited text no. 1
    
2.
Wright KW, Lanier AB. Effect of a modified rectus tuck on anterior segment circulation in monkeys. J Pediatr Ophthalmol Strabismus 1991;28:77-81.  Back to cited text no. 2
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3.
Oltra EZ, Pineles SL, Demer JL, Quan AV, Velez FG. The effect of rectus muscle recession, resection and plication on anterior segment circulation in humans. Br J Ophthalmol 2015;99:556-60.  Back to cited text no. 3
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4.
Prabha S, Amitava AK, Khan AA, Shalini G, Shivani G, Namita K. Plication as an alternative to resection in horizontal strabismus: A randomized clinical trial. Indian J Ophthalmol 2017;65:853-8.  Back to cited text no. 4
    
5.
Chaudhuri Z, Demer JL. Surgical outcomes following rectus muscle plication: A potentially reversible, vessel-sparing alternative to resection. JAMA Ophthalmol 2014;132:579-85.  Back to cited text no. 5
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6.
Alkharashi M, Hunter DG. Reduced surgical success rate of rectus muscle plication compared to resection. J AAPOS 2017;21:201-4.  Back to cited text no. 6
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7.
Velez FG, Demer JL, Pihlblad MS, Pineles SL. Rectus muscle plication using an adjustable suture technique. J AAPOS 2013;17:480-3.  Back to cited text no. 7
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8.
Leenheer RS, Wright KW. Mini-plication to treat small-angle strabismus: A minimally invasive procedure. J AAPOS 2012;16:327-30.  Back to cited text no. 8
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  Authors Top



Prof. Pradeep Sharma is the Professor and Head of Section of Pediatric Ophthalmology, Strabismus and Neuro-Ophthalmology, Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India. Prof. Sharma completed his medical and specialty training - MBBS (1979) and MD (1982) from the All India Institute of Medical Sciences. He attained advanced subspecialty fellowship training in Strabismus at UCLA, Los Angeles, USA, Wills Eye Institute, Philadelphia, USA and Richmond Eye Institute, Richmond, USA, awarded by the International Strabismological Association (2001). He is the Fellow of National Academy of Medical Sciences and was the first Asian to deliver the prestigious Knapp Lecture at the American Association for Pediatric Ophthalmology and Strabismus, AAPOS at Vancouver 2016. Other awards to his credit include Col Rangachari Gold Medal (1984) and Dr Athavle Award (2002) of AIOS and named orations at several State Ophthalmological Societies. He is the visiting faculty and surgeon with Orbis International. His rich academic accomplishments include over 100 scientific publications and two books - Strabismus Simplified and Essentials of Ophthalmology. Prof. Sharma is an excellent teacher and a mentor and is elegantly balanced in work and life.




 

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