Thrombus formation on the Amplatzer device: a need for critical attitude in percutaneous patent ovale closure decision-making

A 37-year-old female was admitted to the hospital for the gradually increasing fatigue 2 months after 9-PFO-025 Amplatzer Occluder implantation. The decision to close patent foramen ovale (PFO) with right-to-left shunt upon Valsalva manoeuvre was made after the clinically diagnosed transient ischaemic attack. According to her medical history, 3 years ago an incident of deep vein thrombosis followed by the diagnosis of the …