From: Familial Hypercholesterolemia: The Lipids or the Genes?
Country | Start Date | Years assessed | Screening | Relatives of index cases | Clinically diagnosed patients | Mutation detection rate | Mutation detection method * | Clinical diagnosis before screening | Reference |
---|---|---|---|---|---|---|---|---|---|
Netherlands | 1994 | 16 | Cascade | 43891 | - | 36% | Direct sequencing of promoter and all exons of LDLR and exons 26 and 29 of apoB; MLPA for large deletions | N/A | [66] |
 | - | - | Patient screening | - | 1465 | 44% | Stepwise screening approach for LDLR and apoB | The Dutch Criteria | [75] |
Norway | 2003 | 5 | Cascade | 1805 | - | 44.8% | Direct sequencing of promoter and exons 1-17 and coding part of exon 18 of the LDLR and of codon 3500-containing PCR fragment of the apoB gene; MLPA for large deletions | N/A | |
Iceland | 2003 | N/A | Systematic family screening | 68 | - | 59% | Screened for the common LDLR Icelandic mutation (I4T +2C) only | N/A | [80] |
Denmark | - | - | Patient screening | - | 1053 | 40.4% | Â | Two out of three: | [76] |
 | Stepwise screening approach for LDLR and apoB | (i) Elevated LDL-C |  |  |  |  |  |  |  |
 | 1995 | 8 | Patient screening | - | 408 | 33.1% |  | (ii) Premature CAD or family history of CVD; (iii) Presence of xanthomas | [77] |
Spain | 2004 | 3 | Patient screening | - | 825 | 55.6% | Lipochip (Microarray that includes 203 LDLR and 4 ApoB mutations) | Elevated familial LDL-C with or without familial or personal histories of premature CAD or xanthomas | |
UK | 2005 | - | Patient screening | - | 635 | 36.5% | Â | Definite or probable FH | [74] |
 |  |  | Commercial amplification refractory mutation system (ARMS) for 18 LDLR, one apoB and one PCSK9 mutations |  |  |  |  |  |  |
 |  |  | Cascade | 296 | - | 56.1% |  | N/A |  |
New Zealand | 2004 | 4 | Patient screening | - | 588 | 13% | Â | Elevated LDL-C, lipid stigmata, or family history of premature CVD | |
 |  |  | Denaturing High Performance Liquid Chromatography (DHPLC) and melting analysis with direct sequencing to look for mutations in LDLR and apoB |  |  |  |  |  |  |
 |  |  | Cascade | 353 | - | 45% |  | N/A |  |