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We read with interest the article by Goldbecker et al1 comparing the accuracy for the diagnosis of hepatic encephalopathy (HE) of the three most commonly used batteries of psychometric test and critical flicker frequency. They conclude that the Psychometric Hepatic Encephalopathy Score (PHES) battery2 is the most robust method for diagnosis of HE.
As mentioned by Goldbecker et al,1 there is a wide agreement that HE needs to be diagnosed and treated and an increasing body of evidence shows that patients benefit from early treatment of overt and minimal HE (MHE). However, the diagnosis of MHE and lower stages of overt HE strongly depends on the experience of the examiner1 and, as indicated by Ferenci3 in his commentary to the paper of Goldbecker et al,1 psychometric tests are not used routinely in clinical practice for diagnosis of MHE. As a consequence, most patients with MHE (around two million people in USA4 and a similar number in the European Union) remain undiagnosed and untreated. This is an …
Contributors CM: study concept and design, obtaining funding, performing psychometric tests, analysis and interpretation of data, revising the manuscript. AU and CG-G: performing psychometric tests and biochemical determinations. CA, CF and JG-P: performing TBSS analysis of data, interpretation of data, critical revision of the manuscript. AW, MAS, RG-D and OG: selection of patients, providing the analytical data. RA and VB: magnetic resonance acquisition. VF: study concept and design, obtaining funding, analysis and interpretation of data and writing the article.
Funding Supported by grants from Ministerio de Ciencia e Innovación (SAF2011-23051, CSD2008-00005 to VF and FIS PI12/00884 to CM and PSI2010-20168, P1-1B2011-09 to CA), from Consellería de Educación de la Generalitat Valenciana (PROMETEO-2009-027; ACOMP/2012/066, ACOMP/2013/101 to VF and ACOMP/2012/056 to CM and Fundación ERESA (CM).
Competing interests None.
Ethics approval Comite Etico Hospital Cilinico de Valencia.
Provenance and peer review Not commissioned; internally peer reviewed.