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1.
Neuroophthalmology ; 47(3): 164-170, 2023.
Article in English | MEDLINE | ID: mdl-37398503

ABSTRACT

Familial amyloid polyneuropathy is a rare autosomal dominant hereditary disease. Optic nerve involvement is frequently observed secondary to uncontrolled glaucoma but, rarely, an ischaemic optic neuropathy can occur. In this case report we describe a patient who presented with bilateral progressive visual loss and constriction of his visual fields. Fundus examination showed intense paleness of both optic discs with elevated, poorly defined margins that seemed to be infiltrated. Fundus autofluorescence and enhanced-depth imaging optical coherence tomography ruled out the presence of optic disc drusen. Orbital magnetic resonance imaging ruled out any sign of orbital compression, inflammation or infiltration of the optic nerve. The mechanism of small vessel amyloid infiltration and a possible vessel compression by amyloid in the optic nerve head is discussed.

2.
Am J Nephrol ; 48(4): 308-317, 2018.
Article in English | MEDLINE | ID: mdl-30347391

ABSTRACT

BACKGROUND: Autosomal dominant polycystic kidney disease (ADPKD) causes the development of renal cysts and leads to a decline in renal function. Limited guidance exists in clinical practice on the use of tolvaptan. A decision algorithm from the European Renal Association-European Dialysis and Transplant Association (ERA-EDTA) Working Groups of Inherited Kidney Disorders and European Renal Best Practice (WGIKD/ERBP) has been proposed to identify candidates for tolvaptan treatment; however, this algorithm has not been assessed in clinical practice. METHODS: Eighteen-month cross-sectional, unicenter, observational study assessing 305 consecutive ADPKD patients. The ERA-EDTA WGIKD/ERBP algorithm with a stepwise approach was used to assess rapid progression (RP). Subsequently, expanded criteria based on the REPRISE trial were applied to evaluate the -impact of extended age (≤55 years) and estimated glomerular filtration rate (eGFR; ≥25 mL/min/1.73 m2). RESULTS: Historical eGFR decline, indicative of RP, was fulfilled in 26% of 73 patients who were candidates for RP assessment, mostly aged 31-55 years. Further tests including ultrasound and MRI measurements of kidney volume plus genetic testing enabled the evaluation of the remaining patients. Overall, 15.7% of patients met the criteria for rapid or likely RP using the algorithm, and the percentage increased to 27% when extending age and eGFR. CONCLUSIONS: The ERA-EDTA WGIKD/ERBP algorithm provides a valuable means of identifying in routine clinical practice patients who may be eligible for treatment with tolvaptan. The impact of a new threshold for age and eGFR may increase the percentage of patients to be treated.


Subject(s)
Antidiuretic Hormone Receptor Antagonists/therapeutic use , Clinical Decision-Making/methods , Patient Selection , Polycystic Kidney, Autosomal Dominant/drug therapy , Tolvaptan/therapeutic use , Adult , Age Factors , Algorithms , Cross-Sectional Studies , Disease Progression , Female , Glomerular Filtration Rate , Humans , Kidney/diagnostic imaging , Kidney/pathology , Kidney/physiopathology , Magnetic Resonance Imaging , Male , Middle Aged , Organ Size , Polycystic Kidney, Autosomal Dominant/pathology , Predictive Value of Tests , Retrospective Studies , Ultrasonography
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