Journal List > J Korean Ophthalmol Soc > v.50(3) > 1008496

Oh, Kwon, Kim, Kim, Kim, Kim, Nam, Park, Sohn, Oum, Yu, Yoon, Yoon, Yoon, Lee, Lee, Lee, Chang, Cho, Chin, Huh, and Kwak: Photodynamic Therapy for Chronic Central Serous Chorioretinopathy: Multicenter Study of 65 Cases

Abstract

Purpose

To determine the effect of photodynamic therapy (PDT) on patients with chronic central serous chorioretinopahty (CSC).

Methods

This was a retrospective multicenter study. We collected demographic and ophthalmic data for patients with chronic CSC who were treated with PDT from 16 institutions in Korea. The best corrected visual acuity (BCVA), ophthalmoscopic finding and optical coherence tomography at baseline and follow-up visits were compared longitudinally.

Results

Sixty-five eyes of 65 patients were recruited. Males (51 patients, 78.5%) outnumbered females (14 patients, 21.5%). The mean age was 46.4±10.0 years of age (28∼69). By 1 month, mean BCVA improved from 0.47 to 0.37 (logarithm of the minimum angle of resolution) (P<0.01). This BCVA increased throughout 6 months. Subretinal fluid resolved partially or completely in 89.1% of the patients. Central macular thickness (CMT) decreased from 303.4 to 168.7 μ m. The amount of change in CMT after PDT was correlated to the female sex and prePDT CMT. At 3 months after PDT, the amount of change in BCVA was significantly related to that of change of CMT (p <0.05). Adverse events were reported in 4 cases, however, most were mild.

Conclusions

PDT was effective and safe for treating chronic CSC.

References

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Figure 1.
Distribution of methods (A) used to determine the area for photodynamic treatment and protocols (B).
jkos-50-390f1.tif
Figure 2.
Change of visual acuity after photodynamic treatment. By 1 month, mean visual acuity was improved from 0.47 to 0.37 logarithm of the minimum angle of resolution (p <0.01, paired t-test). This visual improvement increased until 6 months after treatment.
jkos-50-390f2.tif
Figure 3.
Change of the mean central macular thickness after photodynamic treatment. By 1 month, the mean central macular thickness decreased from 303.4 to 168.7 μm (p<0.001, paired t-test). This macular thickness was maintained after then.
jkos-50-390f3.tif
Figure 4.
Comparison of the central macular thickness in baseline and 1 month (A) or 3 months (B) after photodynamic treatment.
jkos-50-390f4.tif
Table 1.
Factors related to the change of vision at 1 month and 3 months after photodynamic treatment (linear regression analysis)
  At 1 month At 3 months
Univariate Multivariate (R2=0.278) Univariate Multivariate (R2=0.455)
B p-value B p-value B p-value B p-value
Age 0.005 0.021 0.004 0.096 0.001 0.788    
Female   0.043* 0.078 0.158   0.177*   0.497
Duration 0.176 0.243     −0.001 0.045 −0.134 0.062
Leakage pattern   0.330       0.638    
PED   0.867*       0.814*    
Decision   0.810       0.252    
Amount   0.085 0.036 0.102   0.350    
CMT baseline <0.001 0.063 0.000 0.116 <0.001 0.072 −0.001 0.113
CMT change <0.001 0.489     0.001 0.011 0.001 0.042
Vision pre 0.113 0.089 0.090 0.184 0.097 0.267    

*Paired t-test

One-way ANOVA

Central macular thickness.

Table 2.
Factors related to the change of central macular thickness at 1 month and 3 months after photodynamic treatment (linear regression analysis)
  At 1 month At 3 months
Univariate Multivariate (R2=0.813) Univariate Multivariate (R2=0.789)
B p-value B p-value B p-value B p-value
Age −0.931 0.667     3.371 0.078 0.324 0.816
Female   0.014*   0.011   0.009*   0.020
Duration 1.156 0.254     −33.382 0.348    
Leakage pattern   0.047 0.799 0.977   0.138    
PED   0.292*       0.048*   0.807
Decision   0.172       0.428    
Amount   0.914          
CMT baseline 1.035 <0.001 0.984 <0.001 0.776 <0.001 0.615 <0.001
Vision baseline 55.798 0.408     −63.532 0.344    
Vision change 96.248 0.489     262.547 0.011 127.603 0.032

*Paired t-test

One-way ANOVA

Central macular thickness.

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