Dose-response-relationship between number of laser burns and IOP reduction in cyclophotocoagulation: an animal study
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Dose-response-relationship between number of laser burns and IOP reduction in cyclophotocoagulation: an animal study. / Wagenfeld, Lars; Schwarzer, Hendrik; Roessler, Gernot; Klemm, Maren; Skevas, Christos; Richard, Gisbert; Zeitz, Oliver.
In: BIOMED RES INT , Vol. 2014, 2014, p. 983102.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Dose-response-relationship between number of laser burns and IOP reduction in cyclophotocoagulation: an animal study
AU - Wagenfeld, Lars
AU - Schwarzer, Hendrik
AU - Roessler, Gernot
AU - Klemm, Maren
AU - Skevas, Christos
AU - Richard, Gisbert
AU - Zeitz, Oliver
PY - 2014
Y1 - 2014
N2 - PURPOSE: The relationship between number of laser burns of cyclophotocoagulation (CPC) and intraocular pressure (IOP) reduction is unknown. This animal model was established to reveal a possible dose-response-relationship between the number of applied laser burns and the IOP lowering effect.METHODS: 30 chinchilla bastard rabbits were divided into 5 groups and treated with either 1, 5, 10, 20, or 30 CPC burns, respectively. IOP was followed up for 1 week. IOP reduction of a single 30-burn treatment was compared with a fractionated treatment (three sessions; one week in between; 10 burns/session).RESULTS: IOP reduction increases nonlinearly with the number of CPC burns (max. -6.1 ± 1.4 mmHg). Fractionated treatment shows similar IOP reduction with less complications and more constant results compared to single session treatment.CONCLUSIONS: The study reveals a complex relationship between IOP reduction and the number of CPC burns. Fractionated CPC gives comparable IOP reduction at a higher degree of safety.
AB - PURPOSE: The relationship between number of laser burns of cyclophotocoagulation (CPC) and intraocular pressure (IOP) reduction is unknown. This animal model was established to reveal a possible dose-response-relationship between the number of applied laser burns and the IOP lowering effect.METHODS: 30 chinchilla bastard rabbits were divided into 5 groups and treated with either 1, 5, 10, 20, or 30 CPC burns, respectively. IOP was followed up for 1 week. IOP reduction of a single 30-burn treatment was compared with a fractionated treatment (three sessions; one week in between; 10 burns/session).RESULTS: IOP reduction increases nonlinearly with the number of CPC burns (max. -6.1 ± 1.4 mmHg). Fractionated treatment shows similar IOP reduction with less complications and more constant results compared to single session treatment.CONCLUSIONS: The study reveals a complex relationship between IOP reduction and the number of CPC burns. Fractionated CPC gives comparable IOP reduction at a higher degree of safety.
U2 - 10.1155/2014/983102
DO - 10.1155/2014/983102
M3 - SCORING: Journal article
C2 - 25054158
VL - 2014
SP - 983102
JO - BIOMED RES INT
JF - BIOMED RES INT
SN - 2314-6133
ER -