Is There a Role for High-Frequency Ultrasonography in Clinical Staging of Retinopathy of Prematurity?

Jokl, Danny H.-Kauffmann; Silverman, Ronald H.; Nemerofsky, Sheri L.; Kane, Steven A.; Chiang, Michael F.; Lopez, Robert; Lee, Grace
January 2006
Journal of Pediatric Ophthalmology & Strabismus;Jan/Feb2006, Vol. 43 Issue 1, p31
Academic Journal
Purpose: To compare 20-MHz ultrasonography with ophthalmoscopy in the staging of retinopathy of prematurity (ROP). Methods: We used a handheld 20-MHz ultrasound system to examine 38 eyes of 19 neonates who had an indirect ophthalmoscopic examination (diagnosis masked) within 48 hours prior to ultrasonography. Determination of ROP by indirect ophthalmoscopy was compared with independent identification of ultrasonic features indicative of ROP stages. Results: In masked cases, ultrasonography correctly identified 13 of 18 (72.2% sensitivity) eyes with zone 2, stage 2 ROP or worse and 19 of 20 (95.0% specificity) normal eyes (zone 2, stage 1 ROP or better) (chi-square, 18.4; P < .001). Conclusion: In the neonatal nursery, a 20-MHz handheld ultrasound system may be an effective screening tool to initially identify ROP for further ophthalmoscopic evaluation and management.


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