Changes in ocular biometric parameters after renal transplantation
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ORIGINAL PAPER
Changes in ocular biometric parameters after renal transplantation Mustafa Aksoy . Leyla Asena . Sirel Gur Gungor . Ebru H. Ayvazoglu Soy . Ahmet Akman . Mehmet Haberal
Received: 13 December 2019 / Accepted: 2 May 2020 Ó Springer Nature B.V. 2020
Abstract Purpose This study aimed to investigate the changes in postoperative ocular biometric parameters in endstage renal disease patients who underwent renal transplantation. Material and methods This retrospective study included a total of 33 eyes of 33 patients. The ocular biometric measurements which were evaluated were 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). Refractive prediction error (RE) was calculated before and after renal transplantation using the same diopter (D) for intraocular lens (IOL) power calculation and evaluated for potential cataract surgery. Results The study included 15 male (45%) and 18 female (55%) patients. Mean patient age was 31.55 ± 8.24 (range: 18–49 years). In the comparison of preoperative and 1-month postoperative measurements, there was a statistically significant difference in AL, LT, ACD, and CCT (p \ 0.001). There was no statistically significant difference between K1, K2, M. Aksoy (&) L. Asena S. G. Gungor A. Akman Department of Ophthalmology, Faculty of Medicine, Baskent University, 06490 Ankara, Turkey e-mail: [email protected] E. H. A. Soy M. Haberal Department of General Surgery, Faculty of Medicine, Baskent University, Ankara, Turkey
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 While renal transplantation surgery does not lead to significant changes in astigmatism, predicted refractive error, corneal keratometry, or intraocular pressure, it causes significant decrease in axial length, lens thickness, and central corneal thickness and significant increase in anterior chamber depth. However, these changes do not result in significant changes in IOL power calculation in planned cataract surgery. Keywords Ocular biometric parameters Cataract surgery Central corneal thickness Axial length Lens thickness
Introduction Chronic renal disease is a serious public health issue that affects 8–16% of the adult population [1]. Endstage renal disease (ESRD), or stage 5 kidney failure, is characterized by glomerular filtration rate of less than 15 mL/min [2]. The United States renal data system reported 124,411 new diagnoses of ESRD in 2015. Furthermore, incidence is reported as an average of 20,000 per year [3, 4]. In ESRD, metabolic and endocrine dysfunction leads to various clinical
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symptoms in which fluid, electrolyte, and acid–base balance cannot be maintained [5]. New developments in renal transplantation surgical techniques and postoperative immunosuppression
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