Research recommendation(s) from an individual piece of guidance Guidance: Optical coherence tomography to guide percutaneous coronary intervention Date issued: 23 February 2014 Research recommendations coming out of this guidance NICE encourages further research into optical coherence tomography (OCT) to guide PCI compared against percutaneous coronary intervention (PCI) with no intravascular imaging or PCI with intravascular ultrasound. Research outcomes should include data on medium- and long-term clinical outcomes, including the need for revascularisation.