잠복 맥락막신생혈관을 동반한 나이관련황반변성에서베바시주맙 단독치료와 광역학요법 병합치료
Bevacizumab Monotherapy Versus Combined Therapy with Photodynamic Therapy for Occult Choroidal Neovascularization in Age-Related Macular Degeneration
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목적: 잠복 맥락막신생혈관을 동반한 나이관련황반변성 환자에서 베바시주맙 단독치료와 광역학요법 병합치료의 결과를 비교하고자하였다. 대상과 방법: 베바시주맙 단독치료(IVB군) 또는 광역학요법 병합치료(PDT+IVB군)를 받은 잠복 맥락막신생혈관을 동반한 나이관련황반변성 환자들 중 경과관찰 기간이 12개월 이상인 경우를 대상으로 후향적으로 분석하였다. 광역학요법은 절반 에너지를 이용하였고, 두군 모두 베바시주맙 유리체강내주사를 3회 연속 시행한 후 필요한 경우에 재주사를 시행하였다. 최대교정시력, 중심황반두께, 재주사 횟수 등을 비교하였다. 결과: IVB군은 39안이었으며 PDT+IVB군은 25안이었다. 12개월에 PDT+IVB군에서는 평균최대교정시력이 치료전보다 향상되었지만(p=0.046) IVB 군에서는 그렇지 않았다(p=0.213). 두군 모두 평균중심황반두께가 유의하게 감소하였다(p<0.001). 평균 재주사 횟수는IVB군은 1.6회, PDT+IVB군은 0.5회였고(p=0.001). 두군 모두 심각한 합병증은 없었다. 결론: 잠복 맥락막신생혈관을 동반한 나이관련황반변성 환자에서 광역학요법 병합치료는 시력을 향상시켰고 재주사 횟수를 감소시켰다.
Abstract
Purpose: To compare clinical outcomes between intravitreal bevacizumab (IVB) monotherapy and combined therapy with half-fluence rate verteporfin photodynamic therapy (PDT) for occult choroidal neovascularization (CNV) secondary to age-related macular degeneration (AMD). Methods: Medical records were reviewed in consecutive patients who underwent IVB monotherapy or combined therapy with PDT for occult CNV secondary to AMD and had a 12-month follow-up period. After 3 consecutive monthly IVB injections, both groups were eligible for additional IVB injections when necessary. Best-corrected visual acuity (BCVA), central macular thickness (CMT), and number of additional IVB injections were compared between the groups. Results: Thirty-nine eyes underwent IVB monotherapy (IVB group) and 25 eyes underwent combined therapy (PDT+IVB group). Mean BCVA improved significantly in the PDT+IVB group (p = 0.046) and not in IVB group (p = 0.213). A significant reduction in mean CMT occurred in both groups (p < 0.001). The mean number of additional IVB injections was 1.6 ± 1.33in the IVB group and 0.5 ± 1.01 in the PDT+IVB group (p = 0.001). There were no serious complications. Conclusions: Combined therapy with half-fluence rate PDT improved BCVA and reduced the number of additional IVB injections in the eyes with occult CNV secondary to AMD.
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