Correlation of temperature rise and optical coherence tomography characteristics in patient retinal photocoagulation

Stefan Koinzer; Kerstin Schlott; Lea Portz; Lars Ptaszynski; Alexander Baade; Marco Bever; Mark Saeger; Amke Caliebe; Renè Denner; Reginald Birngruber; Ralf Brinkmann; Johann Roider

doi:10.1002/jbio.201200091

Correlation of temperature rise and optical coherence tomography characteristics in patient retinal photocoagulation

Stefan Koinzer^*, Kerstin Schlott, Lea Portz, Lars Ptaszynski, Alexander Baade, Marco Bever, Mark Saeger, Amke Caliebe, Renè Denner, Reginald Birngruber, Ralf Brinkmann, Johann Roider

^*Corresponding author for this work

8 Citations (Scopus)

Abstract

We conducted a study to correlate the retinal temperature rise during photocoagulation to the afterward detected tissue effect in optical coherence tomography (OCT). 504 photocoagulation lesions were examined in 20 patients. The retinal temperature increase was determined in real-time during treatment based on thermoelastic tissue expansion which was probed by repetitively applied ns laser pulses. The tissue effect was examined on fundus images and OCT images of individualized lesions. We discerned seven characteristic morphological OCT lesion classes. Their validity was confirmed by increasing visibility and diameters. Mean peak temperatures at the end of irradiation ranged from approx. 60 °C to beyond 100 °C, depending on burn intensity.

Original language	English
Journal	Journal of Biophotonics
Volume	5
Issue number	11-12
Pages (from-to)	889-902
Number of pages	14
ISSN	1864-063X
DOIs	https://doi.org/10.1002/jbio.201200091
Publication status	Published - 01.11.2012

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abstract = "We conducted a study to correlate the retinal temperature rise during photocoagulation to the afterward detected tissue effect in optical coherence tomography (OCT). 504 photocoagulation lesions were examined in 20 patients. The retinal temperature increase was determined in real-time during treatment based on thermoelastic tissue expansion which was probed by repetitively applied ns laser pulses. The tissue effect was examined on fundus images and OCT images of individualized lesions. We discerned seven characteristic morphological OCT lesion classes. Their validity was confirmed by increasing visibility and diameters. Mean peak temperatures at the end of irradiation ranged from approx. 60 °C to beyond 100 °C, depending on burn intensity.",

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AU - Koinzer, Stefan

AU - Schlott, Kerstin

AU - Portz, Lea

AU - Ptaszynski, Lars

AU - Baade, Alexander

AU - Bever, Marco

AU - Saeger, Mark

AU - Caliebe, Amke

AU - Denner, Renè

AU - Birngruber, Reginald

AU - Brinkmann, Ralf

AU - Roider, Johann

PY - 2012/11/1

Y1 - 2012/11/1

N2 - We conducted a study to correlate the retinal temperature rise during photocoagulation to the afterward detected tissue effect in optical coherence tomography (OCT). 504 photocoagulation lesions were examined in 20 patients. The retinal temperature increase was determined in real-time during treatment based on thermoelastic tissue expansion which was probed by repetitively applied ns laser pulses. The tissue effect was examined on fundus images and OCT images of individualized lesions. We discerned seven characteristic morphological OCT lesion classes. Their validity was confirmed by increasing visibility and diameters. Mean peak temperatures at the end of irradiation ranged from approx. 60 °C to beyond 100 °C, depending on burn intensity.

AB - We conducted a study to correlate the retinal temperature rise during photocoagulation to the afterward detected tissue effect in optical coherence tomography (OCT). 504 photocoagulation lesions were examined in 20 patients. The retinal temperature increase was determined in real-time during treatment based on thermoelastic tissue expansion which was probed by repetitively applied ns laser pulses. The tissue effect was examined on fundus images and OCT images of individualized lesions. We discerned seven characteristic morphological OCT lesion classes. Their validity was confirmed by increasing visibility and diameters. Mean peak temperatures at the end of irradiation ranged from approx. 60 °C to beyond 100 °C, depending on burn intensity.

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JO - Journal of Biophotonics

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Correlation of temperature rise and optical coherence tomography characteristics in patient retinal photocoagulation

Abstract

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