Bibliographic citations
Chirinos, M., (2020). Membrana amniótica comparada con membrana amniótica más autoinjerto limbar en el tratamiento del pterigion recurrente [Tesis, Universidad Privada Antenor Orrego - UPAO]. https://hdl.handle.net/20.500.12759/6940
Chirinos, M., Membrana amniótica comparada con membrana amniótica más autoinjerto limbar en el tratamiento del pterigion recurrente [Tesis]. PE: Universidad Privada Antenor Orrego - UPAO; 2020. https://hdl.handle.net/20.500.12759/6940
@mastersthesis{renati/379326,
title = "Membrana amniótica comparada con membrana amniótica más autoinjerto limbar en el tratamiento del pterigion recurrente",
author = "Chirinos Saldaña, Magda Patricia",
publisher = "Universidad Privada Antenor Orrego - UPAO",
year = "2020"
}
To compare the effectiveness of two surgical techniques in the treatment of recurrent pterygium (RP). Methods: retrospective cohort study that evaluated the use of amniotic membrane (AM) + limbal graft (Group 1) and AM (Group 2) in eyes with RP. The effectiveness of the treatment was based on the incidence of low-grade of inflammation, fibrosis, and recurrence at 6 months after surgery. Ordinal logistic regression was used to adjust the effect of treatment on recurrence considering the influence of confounding variables. Results: 68 eyes of 68 patients were studied (Group 1 = 33, Group 2 = 35). Six months after surgery, Group 2 presented a higher grade of fibrosis and recurrence than Group 1 (p = 0.037 and 0.043, respectively), with no differences in the grade of inflammation. Treatment effectiveness in Group 1 was higher than in Group 2 [RR = 1.41 (1.04 – 1.92)]. Adjusting the comparison of the techniques to the effect of confounding variables, Group 1 was 76% less likely to develop advanced grades of recurrence than Group 2 (p = 0.006). Conclusions: AM + limbal graft was more effective than AM in the treatment of RP at 6 months after surgery.
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