Journal List > J Korean Ophthalmol Soc > v.59(6) > 1096561

Lee, Kim, Lee, Lee, Lee, Jeong, and Kim: Comparison of Short-term Clinical Outcomes between Oral Spironolactone and Observation in Acute Central Serous Chorioretinopathy

Abstract

Purpose

To compare the short-term efficacy of oral spironolactone vs. observation in patients with acute central serous chorioretinopathy.

Methods

Forty-seven eyes of 47 patients diagnosed as acute central serous chorioretinopathy from January 2013 to June 2016 were treated with oral spironolactone or were observed. This was a retrospective study involving patients analyzed for changes in best-corrected visual acuity (BCVA), central macular thickness (CMT), and subretinal fluid height (SRFH).

Results

Oral spironolactone was used to treat 24 eyes and 23 eyes were observed. There were no differences in baseline characteristics including age, sex, BCVA (logMAR), CMT, and SRFH between the two groups. The mean BCVA, CMT, and SRFH improved compared with baseline at 1 month and 2 months in both groups. In comparison between the two groups, the mean BCVA of oral spironolactone group improved more than in the observation group at 2 months (p = 0.006). There was a significant difference in CMT between the two groups at 1 month and 2 months (p = 0.017 and p < 0.001, respectively), and there was a significant difference in subretinal fluid height between the two groups at 2 months (p = 0.007). Complete resolution of subretinal fluid was achieved in 33.3% (8/24) and 21.7% (5/23) of the eyes in the oral spironolactone group and the observation group, respectively, at 2 months (p = 0.374). There was no serious side effect in patients treated with oral spironolactone.

Conclusions

Both oral spironolactone and observation were effective for the treatment of acute central serous chorioretinopathy. Oral spironolactone was more effective than observation when comparing the best-corrected visual acuity, central macular thickness, and subretinal fluid height. As a noninvasive method for treatment of acute central serous chorioretinopathy, oral spironolactone showed anatomical improvement and improved visual acuity during a short-term period.

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Figure 1.
Comparison of mean best corrected visual acuity (BCVA, logMAR) between the groups over time. Spironolactone group showed significant difference at 1 and 2 months compared with baseline. No significant difference was found during follow-up period in observation group. There was a statistically significant difference between spironolactone and observation group at 2 months. Error bars represent standard errors. * p < 0.05 compared between groups.
jkos-59-511f1.tif
Figure 2.
Comparison of mean central macular thickness (CMT, μ m) between the groups over time. Spironolactone group showed significant difference at 1 and 2 months compared with baseline. In observation group, a significant decrease was shown at 2 months. A significant difference in CMT between the groups was observed at 1 and 2 months. Error bars *p < 0.05 compared between represent standard errors. groups.
jkos-59-511f2.tif
Figure 3.
Comparison of mean subretinal fluid height (SRFH, μ m) between the groups over time. Both groups showed a significant difference at 1 month, 2 months compared with baseline. A significant difference in SRFH between the groups was observed at 2 months. Error bars represent standard errors. * p < 0.05 compared between groups.
jkos-59-511f3.tif
Figure 4.
Macular thickness map and optical coherence tomography (OCT) scan of the patients with central serous chorioretinopathy (CSC). OCT images of a 48-year-old man with CSC at baseline (A), at 1 month (B), and 2 months (C) after observation. OCT images of 54-years-old man with CSC at baseline (D), at 1 month (E), and 2 months (F) after oral spironolactone.
jkos-59-511f4.tif
Table 1.
Baseline characteristics of patients in the two groups
  Spironolactone (n = 24) Control (n = 23) p-value
Age (years) 47.54 ± 8.29 44.90 ± 8.26 0.277*
Sex (male:female) 19:5 16:7 0.793
Diabetes (n, %) 1 (4.2) 2 (8.5) 0.472
Hypertension (n, %) 7 (29.2) 5 (21.8) 0.641
Symptom duration (weeks) 7.11 ± 1.35 6.82 ± 0.80 0.352*
Follow up period (weeks) 10.61 ± 2.58 10.64 ± 2.22 0.876*

Values are presented as mean ± standard deviation or n (%) unless otherwise indicated. p-value < 0.05 was considered statically significant.

* Independent t-test

Chi-square test

Fisher exact test.

Table 2.
Changes in BCVA, CMT and SRFH during the follow-up period in the two groups
  Spironolactone (n = 24)
Control (n = 23)
p-value
Compared to the baseline p-value* Compared to the baseline p-value*
BCVA (logMAR)          
 Baseline 0.35 ± 0.25   0.40 ± 0.25   0.492
 1 month 0.24 ± 0.18 0.005 0.34 ± 0.21 0.077 0.105
 2 months 0.16 ± 0.17 0.002 0.32 ± 0.19 0.058 0.006
CMT (μ m)          
 Baseline 373.54 ± 96.97   388.48 ± 89.58   0.586
 1 month 299.18 ± 78.37 <0.001 357.61 ± 80.01 0.139 0.017
 2 months 239.00 ± 41.74 <0.001 327.35 ± 89.10 0.019 <0.001
SRFH (μ m)          
 Baseline 211.45 ± 92.86   192.04 ± 72.94   0.431
 1 month 111.00 ± 88.87 <0.001 148.22 ± 104.42 0.042 0.219
 2 months 51.28 ± 53.89 <0.001 128.04 ± 112.72 0.025 0.007

Values are presented as mean ± standard deviation unless otherwise indicated. p-value < 0.05 was considered statically significant.

BCVA = best collected visual acuity; logMAR = logarithm of the minimum angle of resolution; CMT = central macular thickness; SRFH = subretinal fluid height.

* Repeated measures analysis of variances with the Bonferroni's correction

Independent t-test.

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