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Long term follow up of bone derived hydroxyapatite orbital implants

Identifieur interne : 000986 ( Pmc/Curation ); précédent : 000985; suivant : 000987

Long term follow up of bone derived hydroxyapatite orbital implants

Auteurs : A J Suter [Nouvelle-Zélande] ; A C B. Molteno [Nouvelle-Zélande] ; T H Bevin [Nouvelle-Zélande] ; J D Fulton [Nouvelle-Zélande] ; P. Herbison

Source :

RBID : PMC:1771380

Abstract

Aims: To document the long term experience of bone derived hydroxyapatite orbital implants and compare results using scleral wrapped implants with those not using sclera.

Methods: This retrospective case series reviewed the long term follow up of 118 patients with 120 eyes which had undergone enucleation and bone derived hydroxyapatite orbital implant insertion at Dunedin Hospital from 1977 until 2000. Patient details were obtained from theatre records, case note review, patient interview and examination, interview of patient relatives, and family general practitioner records.

Results: Of the 120 eyes 84 had bone derived hydroxyapatite orbital implants with sclera and 36 without sclera. Follow up was 0.5–25 years (mean 8.9 years). 25 (19.3%) suffered minor complications of limited exposure of the implant which resolved spontaneously, with implant drilling or wound resuture. Nine (7.5%) suffered major complications requiring explantation. Major complications were more likely in cases with major tissue disruption, ischaemia, or inflammation. There were significantly fewer complications in the group where a bone derived hydroxyapatite orbital implant was implanted without a scleral covering (p<0.05).

Conclusions: The placement of a bone derived hydroxyapatite orbital implant in the socket was associated with a low rate of long term complications and good cosmesis in most cases. The omission of a scleral covering over the hydroxyapatite sphere had some advantages and may prove to be the procedure of choice.


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PubMed: 12386091
PubMed Central: 1771380

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PMC:1771380

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P. Herbison
<affiliation>
<nlm:aff id="aff4">Department of Preventive and Social Medicine, University of Otago Medical School</nlm:aff>
<wicri:noCountry code="subfield">University of Otago Medical School</wicri:noCountry>
</affiliation>

Le document en format XML

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<name sortKey="Suter, A J" sort="Suter, A J" uniqKey="Suter A" first="A J" last="Suter">A J Suter</name>
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<p>
<bold>Aims:</bold>
To document the long term experience of bone derived hydroxyapatite orbital implants and compare results using scleral wrapped implants with those not using sclera.</p>
<p>
<bold>Methods:</bold>
This retrospective case series reviewed the long term follow up of 118 patients with 120 eyes which had undergone enucleation and bone derived hydroxyapatite orbital implant insertion at Dunedin Hospital from 1977 until 2000. Patient details were obtained from theatre records, case note review, patient interview and examination, interview of patient relatives, and family general practitioner records.</p>
<p>
<bold>Results:</bold>
Of the 120 eyes 84 had bone derived hydroxyapatite orbital implants with sclera and 36 without sclera. Follow up was 0.5–25 years (mean 8.9 years). 25 (19.3%) suffered minor complications of limited exposure of the implant which resolved spontaneously, with implant drilling or wound resuture. Nine (7.5%) suffered major complications requiring explantation. Major complications were more likely in cases with major tissue disruption, ischaemia, or inflammation. There were significantly fewer complications in the group where a bone derived hydroxyapatite orbital implant was implanted without a scleral covering (p<0.05).</p>
<p>
<bold>Conclusions:</bold>
The placement of a bone derived hydroxyapatite orbital implant in the socket was associated with a low rate of long term complications and good cosmesis in most cases. The omission of a scleral covering over the hydroxyapatite sphere had some advantages and may prove to be the procedure of choice.</p>
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<article-title>Long term follow up of bone derived hydroxyapatite orbital implants</article-title>
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<name>
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<given-names>T H</given-names>
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Department of Ophthalmology, Dunedin Hospital, New Zealand</aff>
<aff id="aff2">
<label>2</label>
Department of Ophthalmology, University of Otago Medical School, New Zealand</aff>
<aff id="aff3">
<label>3</label>
Department of Radiology, Dunedin Hospital, New Zealand</aff>
<aff id="aff4">
<label>4</label>
Department of Preventive and Social Medicine, University of Otago Medical School</aff>
<author-notes>
<fn>
<p>Correspondence to: …Professor A C B Molteno, Department of Ophthalmology, University of Otago Medical School, PO Box 913, Dunedin, New Zealand; …
<email>georgi.bond@healthotago.co.nz</email>
</p>
</fn>
</author-notes>
<pub-date pub-type="ppub">
<month>11</month>
<year>2002</year>
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<volume>86</volume>
<issue>11</issue>
<fpage>1287</fpage>
<lpage>1292</lpage>
<history>
<date date-type="accepted">
<day>15</day>
<month>2</month>
<year>2002</year>
</date>
</history>
<copyright-statement>Copyright © Copyright 2002 British Journal of Ophthalmology</copyright-statement>
<copyright-year>2002</copyright-year>
<abstract>
<p>
<bold>Aims:</bold>
To document the long term experience of bone derived hydroxyapatite orbital implants and compare results using scleral wrapped implants with those not using sclera.</p>
<p>
<bold>Methods:</bold>
This retrospective case series reviewed the long term follow up of 118 patients with 120 eyes which had undergone enucleation and bone derived hydroxyapatite orbital implant insertion at Dunedin Hospital from 1977 until 2000. Patient details were obtained from theatre records, case note review, patient interview and examination, interview of patient relatives, and family general practitioner records.</p>
<p>
<bold>Results:</bold>
Of the 120 eyes 84 had bone derived hydroxyapatite orbital implants with sclera and 36 without sclera. Follow up was 0.5–25 years (mean 8.9 years). 25 (19.3%) suffered minor complications of limited exposure of the implant which resolved spontaneously, with implant drilling or wound resuture. Nine (7.5%) suffered major complications requiring explantation. Major complications were more likely in cases with major tissue disruption, ischaemia, or inflammation. There were significantly fewer complications in the group where a bone derived hydroxyapatite orbital implant was implanted without a scleral covering (p<0.05).</p>
<p>
<bold>Conclusions:</bold>
The placement of a bone derived hydroxyapatite orbital implant in the socket was associated with a low rate of long term complications and good cosmesis in most cases. The omission of a scleral covering over the hydroxyapatite sphere had some advantages and may prove to be the procedure of choice.</p>
</abstract>
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<kwd>enucleation</kwd>
<kwd>orbital implants</kwd>
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