Sugimoto K, Ito K, Esaki K, Miyamura M, Sasoh M, Uji Y
Department of Ophthalmology, Mie University, School of Medicine, 2-174 Edobashi, Tsu 514-8507, Japan.
Nippon Ganka Gakkai Zasshi. 2001 Nov;105(11):766-70.
To examine the supraciliochoroidal fluid(SCF) by ultrasound biomicroscopy(UBM) at an early stage after trabeculectomy.
Fifteen eyes without post-operative complications were examined by UBM before the operation and less than 2 weeks after trabeculectomy with mitomycin C.
SCF was detected postoperatively in 6 eyes. One eye had choroidal detachment under indirect-ophthalmoscope and 5 eyes(33%) had SCF without choroidal detachment. The SCF in 4 eyes disappeared within 4 weeks after trabeculectomy. The intraocular pressure was 6.4 +/- 3.4 mmHg(mean +/- standard deviation) when SCF was detected and it rose to 13.2 +/- 7.2 mmHg when SCF disappeared. The intraocular pressure was 11.4 +/- 4.0 mmHg in the eyes without SCF, which was significantly higher than in the eyes with SCF.
At an early stage after trabeculectomy, SCF was detected by UBM in some cases without ophthalmoscopic choroidal detachment. Compared with the reported frequency of SCF after 3 or 6 months, our study revealed that SCF was present more frequently at an early stage after trabeculectomy. Our results may indicate that the presence of SCF is related to early low intraocular pressure and that disappearance of SCF induces the elevation of intraocular pressure.
通过超声生物显微镜（UBM）检查小梁切除术后早期的脉络膜上腔液（SCF）。
对15只无术后并发症的眼睛在手术前以及丝裂霉素C小梁切除术后不到2周时进行UBM检查。
术后6只眼睛检测到SCF。1只眼睛在间接检眼镜下有脉络膜脱离，5只眼睛（33%）有SCF但无脉络膜脱离。4只眼睛的SCF在小梁切除术后4周内消失。检测到SCF时眼压为6.4±3.4 mmHg（平均值±标准差），SCF消失时眼压升至13.2±7.2 mmHg。无SCF的眼睛眼压为11.4±4.0 mmHg，显著高于有SCF的眼睛。
小梁切除术后早期，在一些无检眼镜下脉络膜脱离的病例中通过UBM检测到了SCF。与报道的3个月或6个月后SCF的发生率相比，我们的研究显示小梁切除术后早期SCF出现得更频繁。我们的结果可能表明SCF的存在与早期低眼压有关，且SCF的消失会导致眼压升高。
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