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This guide provides an overview of the principles and methods of health technology assessment and appraisal within the context of the NICE appraisal process

This manual explains how NICE develops and updates social care guidance. It provides advice on the technical aspects of guidance development and the methods used

We assess the value of digital health technologies that offer the greatest potential to improve health and wellbeing.

Evidence-based recommendations on photodynamic therapy for brain tumours. This involves giving the patient a drug that makes the tissue sensitive to light and then activating it with a laser light source to destroy the tumour cells.

Result type

HealthTech guidance

Published

25 March 2009

Evidence-based recommendations on intraocular lens insertion for correction of refractive error, with preservation of the natural lens. This involves inserting an artificial lens inserted into the eye through a small cut made in the cornea.

Result type

HealthTech guidance

Published

25 February 2009

Evidence-based recommendations on percutaneous endovascular forearm arteriovenous fistula creation for haemodialysis access in adults. This involves using radiofrequency energy, or heat and pressure, to join an artery and vein in the forearm to create a fistula for haemodialysis access.

Result type

HealthTech guidance

Published

27 October 2021

Evidence-based recommendations on transapical transcatheter mitral valve-in-ring implantation after failed annuloplasty for mitral valve repair in adults. This involves inserting a bioprosthetic mitral valve into an existing mitral valve ring to treat a leaking mitral valve, without needing repeat open heart surgery.

Result type

HealthTech guidance

Published

22 September 2021

Evidence-based recommendations on transapical transcatheter mitral valve-in-valve implantation for a failed surgically implanted mitral valve bioprosthesis in adults. This involves inserting a new valve inside a failed bioprosthetic valve to replace the faulty one without needing repeat open heart surgery.

Result type

HealthTech guidance

Published

22 September 2021

Evidence-based recommendations on percutaneous insertion of a closure device to repair a paravalvular leak around a replaced mitral or aortic valve. This involves passing a closure device through a catheter to block the area that is leaking.

Result type

HealthTech guidance

Published

23 June 2021

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