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Incidence and Risk Factors for Ciliochoroidal Detachment Following Preserflo MicroShunt Implantation
Taro Baba1, Naoki Okada, Kana Tokumo
1Department of Ophthalmology and Visual Science, Hiroshima University, Hiroshima, Japan.
Prcis:
Short axial length and postoperative hypotony are significantly associated with ciliochoroidal detachment following Preserflo MicroShunt implantation.
Purpose:
This study investigated the incidence and associated factors of ciliochoroidal detachment (CCD) following Preserflo MicroShunt (PFM) implantation.
Materials And Methods:
PFM implantation, with or without combined cataract surgery, was performed on 83 eyes from August 2023 to June 2024. CCD was evaluated using anterior segment optical coherence tomography on postoperative day 1, and at 1 week, 1 month, 2 months, and 3 months. Multiple logistic regression was used to identify associated factors with the development of CCD.
Results:
CCD occurred in 56 of 83 eyes (67.5%). CCD was observed in 48 eyes (57.8%) on day 1, 53 eyes (63.9%) at 1 week, 18 eyes (21.7%) at 1 month, 4 eyes (4.8%) at 2 months, and 1 eye (1.2%) at 3 months. Intraocular pressure (IOP) (mm Hg) was significantly lower in eyes with CCD than in those without CCD at all time points except at 2 months: 5.9±2.9 vs. 8.3±5.0 ( P =0.008) on day 1; 6.8±3.2 vs. 9.9±7.0 ( P =0.02) at 1 week; 7.9±4.4 vs. 11.6±5.7 ( P =0.001) at 1 month; 7.0±4.1 vs. 11.4±4.8 ( P =0.055) at 2 months; and 2.0 vs. 11.6±4.0 ( P =0.045) at 3 months. The short axial length ( P =0.005) and postoperative hypotony (IOP ≤6 mm Hg) ( P =0.03) were significantly associated with CCD.
Conclusion:
CCD is common after PFM implantation. Short axial length and postoperative hypotony are significant risk factors.
Insights
Ciliochoroidal detachment (CCD) is common after Preserflo MicroShunt (PFM) implantation. Short axial length and postoperative hypotony are significant risk factors for developing CCD.
Area of Science:
- Ophthalmology
- Glaucoma Surgery
- Anterior Segment Surgery
Background:
- Glaucoma management often requires surgical intervention to reduce intraocular pressure (IOP).
- The Preserflo MicroShunt (PFM) is a device used in glaucoma surgery.
- Ciliochoroidal detachment (CCD) is a potential postoperative complication following ocular surgery.
Purpose of the Study:
- To investigate the incidence of ciliochoroidal detachment (CCD) after Preserflo MicroShunt (PFM) implantation.
- To identify factors associated with the development of CCD following PFM implantation.
Main Methods:
- A cohort of 83 eyes undergoing PFM implantation (with or without cataract surgery) was studied.
- Anterior segment optical coherence tomography (AS-OCT) was used to evaluate CCD postoperatively.
- Multiple logistic regression analysis was performed to determine associated factors.
Main Results:
- Ciliochoroidal detachment (CCD) occurred in 67.5% of eyes.
- CCD was most frequent in the early postoperative period, decreasing significantly by 3 months.
- Lower intraocular pressure (IOP) and shorter axial length were significantly associated with CCD.
Conclusions:
- Ciliochoroidal detachment (CCD) is a common complication following Preserflo MicroShunt (PFM) implantation.
- Short axial length and postoperative hypotony (IOP ≤6 mmHg) are significant risk factors for CCD.
- Close monitoring for CCD is recommended after PFM implantation.
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