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Table 3 Guidelines for baseline examination and follow-up of patients affected with Fabry disease

From: Fabry disease

Organ/system

Assessment

Guidelines

General

General status, quality of life (SF36® Health survey, EuroQOL or PedsQL® measurement mode), school or work performance, depression, anxiety, drug use, somatic growth

Baseline (at first visit), every 12 months

 

Complete physical examination

Baseline, every 12 months

 

Genetic counseling

Baseline, on request

 

Alpha-galactosidase A activity and genotype

If not previously performed or determined

Kidney

Serum creatinine, ionogram, BUN; morning spot urine for urinary protein/creatinine ratio and albumin/creatinine ratio

Urinary Gb3 (optional)

Baseline. Every 3 months if CKD stage 1 or 2 and >1 g/day of proteinuria or CKD stage 4

Every 6 months if CKD stage 3

Every 12 months if CKD stage 1 or 2 and <1 g/day of proteinuria

Cardiac

Palpitations, angina

Blood pressure, rhythm

Baseline, every 6 months

Every evaluation visit

 

ECG, echocardiography 2-D with Doppler

Baseline, every 12 months

 

Holter monitoring

If an arrhythmia is suspected or palpitations are present

 

Cardiac MRI

Every other year

 

Coronary angiography

If clinical signs of angina

Neurologic

Acroparesthesias, fatigue, fever, heat and cold tolerance, stroke-related symptoms, TIA

Baseline, every 12 months

 

Neurologic examination, questionnaires (Brief Pain Inventory)

Baseline, every 12 months

 

Brain MRI without contrast

Baseline

At time of a TIA or stroke event

In females to document CNS involvement

Every 3 years

 

Magnetic resonance angiography

If cerebral vasculopathy should be excluded

 

Comorbid stroke risk factors: Cholesterol (Total, LDL, HDL), triglycerides, Lpa, total plasma homocysteine

Baseline, every 12-24 months

ENT

Tinnitus, hearing loss, vertigo, dizziness

Baseline, every 6 months

 

Audiometry, tympanometry, otoacoustic emissions

Baseline, every 12 months thereafter

Ophthalmologic

General ophthalmologic exam (slit-lamp, direct ophthalmoscopy, best corrected visual acuity, visual fields)

Baseline, every 12-24 months

Pulmonology

Cough, exertional dyspnea, wheezing, exercise intolerance

Baseline, every 12 months

 

Spirometry

If clinical signs

Gastrointestinal

Postprandial abdominal pain, bloating, diarrhea, nausea, vomiting, early satiety, difficulty gaining weight

Endoscopic evaluations

Baseline, every 12 months

If symptoms persist or worsen despite treatment

Skeletal

Bone mineral density, 25(OH) vitamin D levels

Baseline

  1. CKD stages: 1: GFR > 90 mL/min/1.73 m2; 2: 60<GFR < 89 mL/min/1.73 m2; 3: 30<GFR < 59 mL/min/1.73 m2; 4: 15<GFR < 29 mL/min/1.73 m2; 5: GFR < 15 = mL/min/1.73 m2 or end stage renal disease (ESRD) (dialysis or transplantation).