AOA2

AOA2

Abbreviation for:
ataxia with oculomotor apraxia type 2
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Administrative OA was defined in two ways based on ICD-9 and ICD-10 codes, referred to as AOA1 and AOA2. AOA1 required at least one visit to a health professional or one hospital admission with the ICD-9 code of 715 or the ICD-10 codes from M15 to M19, and AOA2 required at least two visits to health professionals in two years separated by at least one day or one hospital admission with these codes.
The sensitivity of case definitions AOA1 and AOA2 varied from 47 to 57% and 21 to 26%, respectively.
Of the two administrative definitions, AOA1 had the higher sensitivity and NPV whereas AOA2 had the higher specificity and PPV.
On the basis of likelihood ratios, AOA2 might be useful in ruling in OA.
21 showed a heterozygous deletion of exons 16-24 in SETX, confirming the diagnosis of autosomal recessive ataxia with oculomotor apraxia type 2 (AOA2).
By detecting a wide heterozygous intragenic deletion in SETX, we confirmed the clinical diagnosis of AOA2 for patient no.
[9] Nonstandard abbreviations: NMD, neuromuscular disorder; aCGH, array-based comparative genomic hybridization; CNV, copy-number variation; LGMD2C, limb-girdle muscular dystrophy type 2C; MLPA, multiplex ligation-dependent probe amplification; AOA2, ataxia with oculomotor apraxia type 2; ARSACS, autosomal recessive spastic ataxia of Charlevoix-Saguenay.