Introduction: Despite the rise of micro-invasive glaucoma surgery (MIGS), glaucoma drainage device implantation continues to be a mainstay among glaucoma surgical treatment options. Anterior chamber tube placement, while effective in reducing intraocular pressure (IOP), poses corneal endothelial risks. Ciliary sulcus tube placement shows promise in reduced corneal endothelial cell loss, but proper sulcus placement can be challenging. Our study describes the initial safety and effectiveness results using a novel sulcus tube internal needle guidewire (STING) technique for glaucoma drainage device insertion into the ciliary sulcus.
Methods: We retrospectively reviewed the charts of all consecutive patients who underwent the STING technique using the Ahmed ClearPath, Ahmed Glaucoma Valve, or Baerveldt glaucoma implant with at least 6 months of follow-up. Demographic characteristics, type of glaucoma, previous medical and surgical treatment, pre- and postoperative IOP, pre- and postoperative medications, complications, and success rates were recorded.
Results: Out of nine eyes, seven resulted in qualified success (77.8%). Preoperative mean IOP was 23.8 ± 6.3 mmHg, and postoperative IOP decreased significantly to 14.9 ± 3.7 mmHg (p = 0.008). The average number of preoperative medications per patient was 4.4 ± 0.7, while the average number of postoperative medications per patient was reduced significantly to 3.6 ± 1.0 (p = 0.039).
Conclusion: The STING technique is a novel method for placing a glaucoma drainage device into the ciliary sulcus, leading to IOP lowering with minimal complications. The STING technique is designed to improve surgical ease and increase anatomical precision of sulcus tube placement. Video available for this article.
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| http://dx.doi.org/10.1007/s40123-023-00848-0 | DOI Listing |
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