Citation:Zhao Y,Zhang MN,Gao YX,Gao XW,Ren B.Comparative study of modified and conventional secondary hydroxyapatite orbital implantations.Int J Ophthalmol 2013;6(5):646-649,doi:10.3980/j.issn.2222-3959.2013.05.17
Comparative study of modified and conventional secondary hydroxyapatite orbital implantations
Received:April 20, 2013  Revised:September 13, 2013
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DOI:10.3980/j.issn.2222-3959.2013.05.17
Key Words:hydroxyapatite; orbital implantation; orbit
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Yong Zhao Department of Ophthalmology, Chinese PLA General Hospital, Beijing , China
Mao-Nian Zhang Department of Ophthalmology, Chinese PLA General Hospital, Beijing , China
Yun-Xian Gao Department of Ophthalmology, the Affiliated Hospital of Xinjiang Medical University of TCM, Urumuchi , Xinjiang Uygur Autonomous Region, China
Xiao-Wei Gao Department of Ophthalmology, Chinese PLA 474th Hospital, Urumuchi , Xinjiang Uygur Autonomous Region, China
Bing Ren Department of Ophthalmology, Chinese PLA 474th Hospital, Urumuchi , Xinjiang Uygur Autonomous Region, China
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Abstract:
      AIM: To compare the clinical effects of the modified and conventional secondary hydroxyapatite orbital implantations.

    METHODS:A total of 40 patients who had received eye enucleation were equally randomized into the modified and conventional groups. Twenty patients were treated by conventional method. The four rectus muscles were separated, and then an orbital implant wrapped with xenogenous sclera was implanted. Twenty patients were treated by modified method. An implant unwrapped with xenogenous sclera was directly implanted into the muscle pyramid. The operating time, costs, clinical effects, and complications of the two groups were compared.

    RESULTS:The average operating time of the modified group was 20.5±5.6min, whereas that of the conventional group was 56.8±14.6min (P<0.01). The average cost of the modified group was 7 800±340RMB (1 274±55.6USD), whereas that of the conventional group was 9 800±660RMB (1 601±107.8USD) (P<0.01). The two groups did not show significant difference in orbital implant mobility or postoperative complications.

    CONCLUSION:The modified secondary hydroxyapatite orbital implantation has advantages in operating time, surgery cost, and complication reducing. It is worthy for wide clinical application and further study.

PMC FullText Html:http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3808913/
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