Bottos Juliana, Elizalde Javier, Rodrigues Eduardo B, Farah Michael, Maia Mauricio
Ophthalmic Surg Lasers Imaging Retina. 2015 Feb;46(2):235-42. doi: 10.3928/23258160-20150213-14.
To analyze a variety of vitreomacular traction (VMT) morphologies to establish a major classification that better reflects the preoperative predictive factors of postoperative visual and anatomic outcomes.
Thirty-six eyes submitted to vitrectomy surgery were categorized with a VMT pattern (V- or J-shaped) and diameter (focal < 1,500 µm or broad > 1,500 µm) based on optical coherence tomography.
The researchers compared different classifications of VMT. Despite similar postoperative best corrected visual acuity (BCVA) values (P = .393), cases with focal VMT had greater visual improvement (P = .027) because the preoperative BCVA was significantly lower in the focal group (P = .007). However, the BCVA improvements did not differ between the groups regarding the classic VMT morphologic patterns (P = .235).
Postoperative outcomes and macular disorders are closely related to VMT size. The adhesion diameter (focal or broad VMT) and not the classic VMT morphologic pattern (V- or J-shaped) may better predict the postoperative anatomic and functional outcomes.
分析多种玻璃体黄斑牵拉(VMT)形态,以建立一种能更好反映术后视力及解剖学预后术前预测因素的主要分类方法。
基于光学相干断层扫描,将36例行玻璃体切除术的患眼按VMT模式(V形或J形)及直径(局灶性<1500 µm或广泛性>1500 µm)进行分类。
研究人员比较了VMT的不同分类。尽管术后最佳矫正视力(BCVA)值相似(P = 0.393),但局灶性VMT患者视力改善更大(P = 0.027),因为局灶性组术前BCVA显著更低(P = 0.007)。然而,就经典VMT形态模式而言,两组间BCVA改善情况无差异(P = 0.235)。
术后预后及黄斑病变与VMT大小密切相关。粘连直径(局灶性或广泛性VMT)而非经典VMT形态模式(V形或J形)可能能更好地预测术后解剖学及功能预后。