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It added that FFRCT may reduce the need for invasive coronary angiography and could lead to cost savings. Its council judged the supporting evidence to be of limited quality, citing non-randomized and post hoc studies. The council saw particular value in remote areas, where patients would otherwise travel far for tests. NHS Western Isles had begun a 40-scan pilot in December 2020. SHTG found the size of any savings uncertain because clinical practice varies. 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SHTG Adaptation: HeartFlow FFRCT for estimating fractional flow reserve from coronary CT angiography. 3 September 2021, Scottish Health Technology Council considerations.","title":"SHTG Adaptation: HeartFlow FFRCT for estimating fractional flow reserve from coronary CT angiography","url":"https://admin.shtg.scot/media/2087/20210714-heartflow-adaptation-v20.pdf","date":"2021-09-03","written_by":"independent","quote":"The Council noted that ICA carries a risk of adverse events, and recognised the potential opportunity for HeartFlow FFRCT to reduce the need for invasive procedures."}]}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["evidence"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"sources[].upstream_sources":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"strategic_assessments[]":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"strategic assessments"},"summary":{"state":"value_present","value":{"kind":"record_fields","fields":{"summary":"SHTG advised NHSScotland in September 2021 that HeartFlow FFRCT may reduce the need for invasive coronary angiography and save costs. 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SHTG put three rounds of questions to Scottish experts and published its adapted advice on 13 September 2021. It advised that FFRCT is non-invasive and safe and may improve diagnosis by raising specificity after CT coronary angiography. It added that FFRCT may reduce the need for invasive coronary angiography and could lead to cost savings. Its council judged the supporting evidence to be of limited quality, citing non-randomized and post hoc studies. The council saw particular value in remote areas, where patients would otherwise travel far for tests. NHS Western Isles had begun a 40-scan pilot in December 2020. SHTG found the size of any savings uncertain because clinical practice varies. 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