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find Author "李宏彦" 2 results
  • Retrospective study of 30% and 50% dose verteporfin photodynamic therapy versus anti-vascular endothelial growth factor for chronic central serous chorioretinopathy

    ObjectiveTo compare the efficacy among 30% and 50% dose of verteporfin photodynamic therapy (PDT) and intravitreal anti-vascular endothelial growth factor (anti-VEGF) in the treatment of chronic central serous chorioretinopathy (CSC). Methods138 eyes of 125 patients with chronic CSC, who were treated in our hospital from March 2006 to May 2014, were enrolled in this retrospective study. All patients were confirmed by spectral domain optical coherence tomography (SD-OCT) and best corrected visual acuity (BCVA), which was recorded with logMAR BCVA. And all the patients were divided into three groups by different treatments: 30% dose group (42 eyes of 39 patients); 50% dose group (77 eyes of 67 patients); anti-VEGF group (19 eyes of 19 patients). The differences of age, gender, eyes, courses, mean logMAR BCVA among three groups were not significant. Disappearing of fluid under retina in SD-OCT was considered to be cured and fluid remaining was not cured. If fluid appeared again the eyes were relapsed. We comparatively analyzed the cure rate, relapse rate and changing of BCVA, central macular thickness (CMT) among 3 groups of patients after 1, 3, 6 months. ResultsThe cure rate among 3 groups after 1 month was statistically different (χ2=6.926, P=0.031). The cure rates of 50% dose PDT treatment group after 3 months and 6 months were better than 30% dose PDT treatment group, but the differences were not significant (χ2=2.218, 1.682; P=0.136, 0.195). The relapse rate between 30% dose and 50% dose PDT treatment groups after 3 months and 6 months were not significant (χ2=2.133, 3.366; P=0.144, 0.067). The improvement of BCVA in 50% dose PDT treatment group was the best, but comparing with the other two groups, the differences were not significant in statistics (P > 0.05). The improvement of CMT in 50% dose PDT treatment group was the best. Comparing with anti-VEGF group, the differences was significant (P < 0.05). But comparing with 30% dose PDT treatment group, the differences was not significant (P > 0.05). Logistic regression analysis showed that after treatment, the cure rates after 1 month and 6 months were negatively correlated with the age (regression coefficient=-0.942, -0.979; odds ratio=0.390, 0.375; P < 0.05) and the cure rates after 3 months was positively correlated with the dose of verteporfin (regression coefficient=0.855, odds ratio=2.351, P < 0.05). Conclusion50% dose verteporfin PDT is recommend for chronic CSC treatment.

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  • Retrospective study of low-dose verteporfin photodynamic therapy for acute central serous chorioretinopathy

    ObjectiveTo evaluate the efficacy of 30% and 50% dose photodynamic therapy (PDT) for acute central serous chorioretinopathy (CSC). MethodsA retrospective cohort study. Ninety-two eyes of 88 patients with CSC, diagnosed by best corrected visual acuity (BCVA) of logarithm of the minimum angle of resolution (logMAR), indirect ophthalmoscope, fundus colorized photography, fundus fluorescein angiography (FFA), indocyanine green angiography (ICGA)and optical coherence tomography (SD-OCT) treated with 30% and 50% doses of verteporfin respectively between March 2007 and August 2013, were enrolled. The eyes were divided into 50% dose group (49 eyes) and 30% dose group (43 eyes). The differences of age (t=-1.45), gender (χ2=0.011), eyes (χ2=2.140), mean logMAR BCVA (t=-0.40), mean central retinal thickness (CRT) and the maximum thickness of serous retinal detachment (SRD) between two groups were not significant (P > 0.05). The difference of spot size between two groups was significant (t=-2.84, P < 0.05). The follow-up time was ranged from 6 to 68 months, with a mean of (17.16 ±11.30) months. The difference of follow-up between two groups was significant (P > 0.05). The BCVA, cure rate, recurrence rate and the changes of CRT and maximum SRT were observed by SD-OCT. ResultsThe subretinal fluid (SRF) of 31 eyes (72.09%) in the 30% dose group and that of 47 eyes (95.92%) in the 50% dose PDT group was absorbed completely respectively. The cure rates in the 30% dose PDT group was significantly less than that in the 50% dose group (χ2=10.077, P=0.020). There was a significant negative association between the cure rate and spot size by Logistic regression (odds ratio > 1, P=0.040). The difference of changes in the BCVA of logMAR in 50% dose group was better than that in 30% dose group after more than 12 months after PDT (P=0.036). On 3, 6, 12 and more than 12 months after PDT, the difference in CRT in 50% dose group and 30% dose group were not statistically significant (P=0.068, 0.060, 0.082, 0.067). The difference in maximum thickness of SRD was not statically significant (P > 0.05). SRF was appeared in 8 eyes (25.81%) of 31 eyes in the 30% dose group, while SRF was appeared in 1 eye (2.13%) of 47 eyes in the 50% dose group. The recurrence rate of 30% dose group was much higher than that of 50% dose group (P < 0.05). ConclusionsFor acute CSC treated by PDT, the curative effect of 50% dose group is better than the 30% dose group.

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