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01.12.2018 | Research article | Ausgabe 1/2018 Open Access

BMC Ophthalmology 1/2018

Ocular changes during hemodialysis in patients with end-stage renal disease

Zeitschrift:
BMC Ophthalmology > Ausgabe 1/2018
Autoren:
Hejun Chen, Xi Zhang, Xi Shen
Wichtige Hinweise
Hejun Chen and Xi Zhang are first authors.
Hejun Chen and Xi Zhang contributed equally to this work.

Abstract

Background

To explore ocular changes during hemodialysis (HD) in chronic renal failure patients and to determine the effects of different causes of renal failure during HD.

Methods

A total of 90 eyes from 45 end-stage renal disease (ESRD) patients undergoing HD were evaluated in this study. All ophthalmological examinations were conducted within 1 h before and after a single HD session. The HD patients were divided into primary kidney disease (KD), hypertensive KD, diabetic KD (DM-KD) and unknown etiology subgroups according to the primary etiology of renal failure. The statistics of 38 eyes from 19 healthy people were set as normal control.

Results

Tear break-up time (TBUT) (P = 0.020), Schirmer’s I test results (P = 0.030), anterior chamber depth (ACD) (P = 0.006), lens thickness (LT) (P < 0.001) and choroidal thickness (CHT) (P < 0.001)decreased significantly after a single HD. The retinal nerve fiber layer (RNFL) thickness and average retinal thickness (RT) increased after HD, especially in the nasal inner macula (NIM) subfield (P < 0.001), the inferior inner macula (IIM) subfield (P = 0.004) and the superior outer macula (SOM) subfield (P = 0.012). TBUT, Schirmer’s I test, IOP, RT, and CHT were correlated with one or more parameters. All ESRD patients regardless of etiology had the same trend for most parameters during HD, with the exception of the logMAR of BCVA, central corneal thickness, RNFL thickness and CHT.

Conclusions

HD may affect a range of ocular parameters in ESRD patients. Dry eye parameters, RT and CHT exhibited the most obvious changes. Different etiologies tended to have similar trends in ocular parameter changes during HD.
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