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Surgical technique: coupling of intrastromal corneal ring segments for ectatic corneal disorders in eye bank corneas.

Moshirfar M, Hsu M, Khalifa YM - Clin Ophthalmol (2011)

Bottom Line: The management of corneal ectasia is evolving, with intrastromal corneal ring segments playing an important role in delaying or eliminating the need for penetrating keratoplasty.This paper describes a modification in the implantation technique of intrastromal corneal ring segments that allows for coupling of the two segments with suture, affording more structural support.

View Article: PubMed Central - PubMed

Affiliation: Moran Eye Center, Salt Lake City, UT.

ABSTRACT
The management of corneal ectasia is evolving, with intrastromal corneal ring segments playing an important role in delaying or eliminating the need for penetrating keratoplasty. This paper describes a modification in the implantation technique of intrastromal corneal ring segments that allows for coupling of the two segments with suture, affording more structural support.

No MeSH data available.


Related in: MedlinePlus

The first segment was inserted completely (A). The second segment was passed through the same side of the incision and used to push the first segment through the channel (B). The needle of a double armed 9-0 nylon suture was then passed through the second segment inferior islet (B). The second segment inferior islet was then engaged with a Sinskey hook and advanced (C). By passing the Sinskey hook through the other side of the channel, the first segment inferior islet is engaged (D), and the islet is pulled out of the wound (E). The other arm of the 9-0 nylon is then passed through the posterior surface of the islet of the first segment with attention not to allow the suture to cross or twist (E). The segments are then positioned to be equidistant from the incision (F) and then a surgical knot is thrown with the desired tension (G).
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f3-opth-5-1439: The first segment was inserted completely (A). The second segment was passed through the same side of the incision and used to push the first segment through the channel (B). The needle of a double armed 9-0 nylon suture was then passed through the second segment inferior islet (B). The second segment inferior islet was then engaged with a Sinskey hook and advanced (C). By passing the Sinskey hook through the other side of the channel, the first segment inferior islet is engaged (D), and the islet is pulled out of the wound (E). The other arm of the 9-0 nylon is then passed through the posterior surface of the islet of the first segment with attention not to allow the suture to cross or twist (E). The segments are then positioned to be equidistant from the incision (F) and then a surgical knot is thrown with the desired tension (G).

Mentions: The first segment was inserted completely (Figure 3A) with the loop of 9-0 nylon attached to the second segment, causing it to trail. The second segment was passed through the same side of the incision and used to push the first segment through the channel. The needle of a double armed 9-0 nylon suture was then passed through the second segment inferior islet (Figure 3B) from the posterior surface of the islet. The second segment inferior islet is then engaged with a Sinskey hook and advanced (Figure 3C). By passing the Sinskey hook through the other side of the channel, the first segment inferior islet is engaged (Figure 3D), and the islet is pulled out of the wound (Figure 3E). The other arm of the 9-0 nylon is then passed through the posterior surface of the islet of the first segment carefully so as to not allow the suture to cross or twist (Figure 3E). The segments are then positioned to be equidistant from the incision (Figure 3F) and then a surgical knot is thrown with the desired tension (Figure 3G). The Intacs incision is then closed in usual fashion with a 10-0 nylon.


Surgical technique: coupling of intrastromal corneal ring segments for ectatic corneal disorders in eye bank corneas.

Moshirfar M, Hsu M, Khalifa YM - Clin Ophthalmol (2011)

The first segment was inserted completely (A). The second segment was passed through the same side of the incision and used to push the first segment through the channel (B). The needle of a double armed 9-0 nylon suture was then passed through the second segment inferior islet (B). The second segment inferior islet was then engaged with a Sinskey hook and advanced (C). By passing the Sinskey hook through the other side of the channel, the first segment inferior islet is engaged (D), and the islet is pulled out of the wound (E). The other arm of the 9-0 nylon is then passed through the posterior surface of the islet of the first segment with attention not to allow the suture to cross or twist (E). The segments are then positioned to be equidistant from the incision (F) and then a surgical knot is thrown with the desired tension (G).
© Copyright Policy
Related In: Results  -  Collection

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getmorefigures.php?uid=PMC3198421&req=5

f3-opth-5-1439: The first segment was inserted completely (A). The second segment was passed through the same side of the incision and used to push the first segment through the channel (B). The needle of a double armed 9-0 nylon suture was then passed through the second segment inferior islet (B). The second segment inferior islet was then engaged with a Sinskey hook and advanced (C). By passing the Sinskey hook through the other side of the channel, the first segment inferior islet is engaged (D), and the islet is pulled out of the wound (E). The other arm of the 9-0 nylon is then passed through the posterior surface of the islet of the first segment with attention not to allow the suture to cross or twist (E). The segments are then positioned to be equidistant from the incision (F) and then a surgical knot is thrown with the desired tension (G).
Mentions: The first segment was inserted completely (Figure 3A) with the loop of 9-0 nylon attached to the second segment, causing it to trail. The second segment was passed through the same side of the incision and used to push the first segment through the channel. The needle of a double armed 9-0 nylon suture was then passed through the second segment inferior islet (Figure 3B) from the posterior surface of the islet. The second segment inferior islet is then engaged with a Sinskey hook and advanced (Figure 3C). By passing the Sinskey hook through the other side of the channel, the first segment inferior islet is engaged (Figure 3D), and the islet is pulled out of the wound (Figure 3E). The other arm of the 9-0 nylon is then passed through the posterior surface of the islet of the first segment carefully so as to not allow the suture to cross or twist (Figure 3E). The segments are then positioned to be equidistant from the incision (Figure 3F) and then a surgical knot is thrown with the desired tension (Figure 3G). The Intacs incision is then closed in usual fashion with a 10-0 nylon.

Bottom Line: The management of corneal ectasia is evolving, with intrastromal corneal ring segments playing an important role in delaying or eliminating the need for penetrating keratoplasty.This paper describes a modification in the implantation technique of intrastromal corneal ring segments that allows for coupling of the two segments with suture, affording more structural support.

View Article: PubMed Central - PubMed

Affiliation: Moran Eye Center, Salt Lake City, UT.

ABSTRACT
The management of corneal ectasia is evolving, with intrastromal corneal ring segments playing an important role in delaying or eliminating the need for penetrating keratoplasty. This paper describes a modification in the implantation technique of intrastromal corneal ring segments that allows for coupling of the two segments with suture, affording more structural support.

No MeSH data available.


Related in: MedlinePlus