May 2007
Volume 48, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2007
Evaluation of Interphase Donor-Receptor by Ultrasound Biomicroscopy in Patients After Penetrating Keratoplasty
Author Affiliations & Notes
  • M. Rivera
    Cornea, Fundacion Hosp De Nuestra Senora de la Luz, Distrito Federal, Mexico
  • O. Baca
    Cornea, Fundacion Hosp De Nuestra Senora de la Luz, Distrito Federal, Mexico
  • R. Velasco
    Cornea, Fundacion Hosp De Nuestra Senora de la Luz, Distrito Federal, Mexico
  • L. Perdiz
    Cornea, Fundacion Hosp De Nuestra Senora de la Luz, Distrito Federal, Mexico
  • A. Galicia
    Cornea, Fundacion Hosp De Nuestra Senora de la Luz, Distrito Federal, Mexico
  • A. Babayan
    Cornea, Fundacion Hosp De Nuestra Senora de la Luz, Distrito Federal, Mexico
  • C. Pecheco-Del-Valle
    Cornea, Fundacion Hosp De Nuestra Senora de la Luz, Distrito Federal, Mexico
  • Footnotes
    Commercial Relationships M. Rivera, None; O. Baca, None; R. Velasco, None; L. Perdiz, None; A. Galicia, None; A. Babayan, None; C. Pecheco-Del-Valle, None.
  • Footnotes
    Support None.
Investigative Ophthalmology & Visual Science May 2007, Vol.48, 4681. doi:
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      M. Rivera, O. Baca, R. Velasco, L. Perdiz, A. Galicia, A. Babayan, C. Pecheco-Del-Valle; Evaluation of Interphase Donor-Receptor by Ultrasound Biomicroscopy in Patients After Penetrating Keratoplasty. Invest. Ophthalmol. Vis. Sci. 2007;48(13):4681.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose:: To evaluate the usefulness of ultrasound biomicroscopy (UBM) in describing the characteristics of the donator-receptor interphase after penetrating keratoplasty (PK).

Methods:: Prospective, descriptive, transversal study, from July to October of 2006. We included patients with keratoconus or any other corneal pathology who underwent penetrating keratoplasty. We integrated two groups, which were classified: Group 1 ectasias and Group 2 any other corneal pathology, both with a period of at least 6 months of postoperative follow-up. Evaluation with UBM was performed in both groups at different clockwise meridians: MIII, MIX and MVI, through pictures and images in vivo with the ultrasound biomicroscope (Paradigm Medical Industries, Inc., Salt Lake City UT). We analyzed the donor-receptor junction in 3 main layers: epithelium, stroma and endothelial layers and we classified them in different patterns.

Results:: We included 14 eyes of 13 patients (9 male and 4 female) mean age 27 years old; forty-two pictures were obtained, twenty-seven in Group 1 and fifteen in Group 2. In the epithelium-stroma union, the vertical pattern was found more frequently (44.4%) followed by oblique pattern (33.3%) in Group 1. Oblique pattern in Group 2 was the most frequent pattern (46.6%) followed by the vertical pattern (40%). The linear pattern was the most common in the endothelial union in both groups, 51.85% in group 1 and 80% in Group 2, in second place the thickened pattern in group 1 and notch-like in group 2.

Conclusions:: We propose a new classification of the donor-receptor interphase after PK by UBM with the following patterns: a) junction of epithelium and stroma; 1. Vertical, 2. Oblique and 3. hinge. B) endothelial junction: 1. step-like, 2.notch-like, 3. thickened, and 4.lineal.

Clinical Trial:: Hospital Nuestra Señora de la Luz, IAP

Keywords: wound healing • cornea: clinical science • imaging methods (CT, FA, ICG, MRI, OCT, RTA, SLO, ultrasound) 
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