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<p>The National Institute for Health and Care Excellence (NICE) published interventional
procedure (IP) guidance on the use of Magnetic Resonance Imaging (MRI)-guided focused
ultrasound as a treatment for essential tremor in June 2018. A copy of <em>Unilateral
MRI-guided focused ultrasound thalamotomy for treatment-resistant essential tremor</em>
is attached.</p><p>NICE concluded that the evidence on the safety of unilateral MRI-guided
focused ultrasound thalamotomy for treatment-resistant essential tremor raises no
major safety concerns. However, current evidence on its efficacy is limited in quantity.
Therefore, this procedure should not be used unless there are special arrangements
for clinical governance, consent, and audit or research.</p><p>IP guidance looks at
procedures used for diagnosis or treatment. It considers if they are safe and work
well enough for wider use in the National Health Service. Whilst compliance with IP
guidance is not mandatory, it is considered best clinical practice for the NHS to
take it into account.</p>
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