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Archivos de la Sociedad Española de Oftalmología
versión impresa ISSN 0365-6691
Resumen
GONZALEZ-DE-LA-ROSA, M. et al. Diagnostic capability of PULSAR, FDT y HRT-II in glaucoma suspects. Arch Soc Esp Oftalmol [online]. 2007, vol.82, n.7, pp.413-422. ISSN 0365-6691.
Purpose: To determine the diagnostic capability of PULSAR-T30W, FDT-Threshold-N30 and HRT-II in glaucoma suspects. Methods: Forty-seven eyes from 47 referred glaucoma suspects (GS) were examined twice with each technique. Cases with TOP-WW-MD6dB were excluded. Results were compared with those of 70 eyes from 70 normal controls (C). Results: Mean MD value using TOP-WW in the GS group (0.96dB. sd=1.7) was not significantly different from C (0.8dB. sd=1.77) (p0.05). Disc area in GS group (2.12 mm2. sd=0.34) was significantly greater than in C (1.97 mm2. sd=0.45) (p<0.01). For 95.7% specificity, PULSAR-sLV showed the highest sensitivity of 30.9% in individual examinations. The highest reproducible sensitivity in the two examinations was obtained using HRT-II maximum contour elevation (23.4%) and reference height (23.4%), and was 14.9% for various indices after correcting for the influence of disc area (cup area, cup/disc area ratio, maximum contour depression and mean RNFL thickness). Reproducible sensitivity of the perimetric indices was: PULSARMD=8.5%, PULSAR-sLV=17%, FDT-MD=6.4%, FDT-PSD=4.3%. The association of perimetric and HRT-II indices achieved high sensitivity but low diagnostic reproducibility. Conclusions: The most effective indices were maximum contour elevation, reference height and PULSAR-sLV, although the inclusion of the optic nerve head assessment in the selection of the GS sample may have favored the HRT-II results.
Palabras clave : Glaucoma; perimetry; visual field; diagnosis; optic nerve.