April 2014
Volume 55, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2014
Postoperative IOP is not related to intrascleral lake morphology after Non Penetrating Deep Sclerectomy without scleral implant
Author Affiliations & Notes
  • Cristian Dalmasso
    Ophthalmology, Hospital Universitario Araba, Vitoria Gasteiz, Spain
  • J Aritz Javier Urcola
    Ophthalmology, Hospital Universitario Araba, Vitoria Gasteiz, Spain
    Universidad del País Vasco, Vitoria Gasteiz, Spain
  • Elena Vecino
    Universidad del País Vasco, Vitoria Gasteiz, Spain
  • Javier Cabrerizo
    Ophthalmology, Hospital Universitario Araba, Vitoria Gasteiz, Spain
  • Gonzalo Saracibar
    Universidad del País Vasco, Vitoria Gasteiz, Spain
  • Footnotes
    Commercial Relationships Cristian Dalmasso, None; J Aritz Urcola, None; Elena Vecino, None; Javier Cabrerizo, None; Gonzalo Saracibar, None
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science April 2014, Vol.55, 6131. doi:
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      Cristian Dalmasso, J Aritz Javier Urcola, Elena Vecino, Javier Cabrerizo, Gonzalo Saracibar, ; Postoperative IOP is not related to intrascleral lake morphology after Non Penetrating Deep Sclerectomy without scleral implant. Invest. Ophthalmol. Vis. Sci. 2014;55(13):6131.

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

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Abstract
 
Purpose
 

To investigate the relationship between intrascleral lake morphology after non penetrating deep sclerectomy with mytomicin C and without scleral implant, and postoperative IOP.

 
Methods
 

Retrospective, observational non comparative study. 88 eyes of 88 consecutive pacients who underwent d-sclerectomy with mytomicin C and without any scleral implant were analized. We measured the intrascleral lake parameters as height, width, depth, cross-sectional area and volume using Swept Source OCT (SS-100. CASIA. Tomey, Nogoya, Japan.) and compared them with postoperative IOP after 1, 2 and 3 years.

 
Results
 

The mean age of the patients was 71.6±14.3 years and the mean postoperative IOP was 14.6±3.9 mm Hg. No intrascleral bleb was found by SS-OCT in 13 operated eyes . The mean intrascleral bleb height was 0.42±0.29 mm, the mean width was 2.73±1.76 mm, the mean depth was 2,43±1,54 mm, the mean cross-sectional area was 1.21±1.04 mm2 and the mean volume of the lake was 4,68±5,6 mm3. The correlations between all the parameters of the lake morphology and the postoperative IOP, measured at 1, 2 and 3 years, were poor. In the 1 year postoperative group the correlation coefficients of the lake height, width, depth, area and volume were r= -0.253 (p=0.044), r= -0.367 (p=0.012), r=-0.298 (p=0.044), r= -0.160 (p=0.288) and r= -0.241 (p=0.107), respectively. In the 2 years postoperative group were r= -0.351 (p=0.167) , r= 0.160 (p=0.541), r= -0.184 (p=0.481), r= -0.057 (p=0,828) and r= 0.015 (p=0.954). In the 3 years postoperative group were r=0.073 (p=0.730), r= -0.068 (p=0.746), r= (p=0.567), r= 0.138 (p=0.510) and r= 0.116 (p=0,581) for the same parameters, respectively.

 
Conclusions
 

The correlation between the postoperative IOP and the intrascleral lake morphology at different postoperative time points is poor. Although not using any intrascleral implant can modify the morphology of the lake, in our experience, no parameter measured by SS-OCT can be used to predict the surgical success of the NDPS.

  
Keywords: 568 intraocular pressure • 552 imaging methods (CT, FA, ICG, MRI, OCT, RTA, SLO, ultrasound) • 550 imaging/image analysis: clinical  
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