Changes in ocular biometric parameters after renal transplantation
Mustafa Aksoy1, Leyla Asena1, Sirel Gur Gungor1, Ebru H. Ayvazoglu Soy2, Mehmet A. Haberal2.
1Ophthalmology, Baskent University, Ankara, Turkey; 2Transplantation, Baskent University, Ankara, Turkey
Aim: This study aimed to investigate the changes in postoperative ocular biometric parameters in end-stage renal disease patients who underwent renal transplantation.
Materials and Methods: In this retrospective study, a total of 33 patients were included. Ocular biometric measurements including axial length (AL), central corneal thickness (CCT), anterior chamber depth (ACD), corneal keratometry (K1 and K2), degree of astigmatism, lens thickness (LT), and intraocular pressure (IOP) were evaluated. Refractive prediction error (RE) for potential cataract surgery was calculated before and after renal transplantation using the same diopter (D) for intraocular lens (IOL) power calculation and also evaluated.
Results: The study included 15 male (45%) and 18 female (55%) patients. Mean patient age was 31.55±8.24 and ranged between 18-49 years. When preoperative and one-month postoperative measurements were compared, there was a statistically significant difference in AL, LT, ACD, and CCT (p<0.001). There was no statistically significant difference in K1, K2, and astigmatism measurements (p=0.72; p=0.35; p=0.62, respectively). There was no statistically significant difference in RE (p=0.61 (Holladay 2)).
Conclusion: Renal transplantation surgery does not lead to any change in astigmatism, predicted refractive error, corneal keratometry and intraocular pressure measurements, while there is significant decrease in the axial length, lens thickness and central corneal thickness and increase in aterior chamber depth. However, these changes do not attribute to significant changes in IOL power calculation in planned cataract surgery.
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