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Updated: Aug 19, 2025

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
Published on: October 14, 2022
A simple surgical solution for the treatment of persistent postoperative hypotony after PRESERFLO MicroShunt
Soledad Aguilar-Munoa1, Yih-Horng Tham2, Keith Barton3
1Moorfields Eye Hospital NHS Foundation Trust, London, UK. solaguilarmunoa@gmail.com.
Background/Objectives:
PRESERFLO MicroShunt implantation is a relatively new and increasingly popular treatment for recalcitrant glaucoma. Though relatively uncommon, persistent or severe postoperative hypotony may occur and its treatment presents a significant challenge.
Subjects/Methods:
Interventional case series of the first 7 consecutive patients who underwent the insertion of a rip-cord suture to treat severe or persistent postoperative hypotony.
Results:
In 6 patients, the hypotony resolved and vision was restored. The 7th patient had suffered a severe suprachoroidal haemorrhage with a poor visual recovery and limited follow-up, so success was more difficult to assess.
Conclusions:
Stenting the PRESERFLO MicroShunt with a rip-cord suture is a simple technique to correct persistent or severe postoperative hypotony.

