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Primary Hyperoxaluria - Diagnosis and Management Overview

Matthew Ho, MD PhD @MatthewHoMD

#Primary #Hyperoxaluria #Types #classification #diagnosis #management
Primary Hyperoxaluria ... MatthewHoMD #Primary #Hyperoxaluria
Oxalate & Secondary Hyperoxaluria
(1) High-oxalate diet (eg spinach, rhubarb)
(2) Fat malabsorption (IBD, s/p RYGB)
(3) Alterations in
Oxalate & Secondary Hyperoxaluria ... BrighamChiefs #Oxalate #Hyperoxaluria
Primary Hyperoxaluria - A radiograph of the abdomen showed stones in the kidneys, bladder, and left
Primary Hyperoxaluria ... Radiology #urology #Hyperoxaluria
Calcium Oxalate (CaOx) Stone Diet
 • All - Increase Water Intake
 • Relative Hypercalciuria
Proteins • Relative Hyperoxaluria ... d) • Enteric Hyperoxaluria
Metabolic Causes of Kidney Stones in Children
 • Calcium Oxalate: Primary Hyperoxaluria type 1-3, Secondary Hyperoxaluria
Oxalate: Primary Hyperoxaluria ... 1-3, Secondary Hyperoxaluria
Causes of Nephrolithiasis - Differential Diagnosis Algorithm
Radio-opaque - Calcium-containing - 90% of stones
Radiolucent - Non-calcium 10%
protein intake Hyperoxaluria
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Multiple myeloma • Hyperoxaluria
Restrictive Cardiomyopathy - Diagnosis and Causes
Clinical: Dyspnea, Exercise Intolerance, ↑ "Right Sided-Symptoms" (ascites, hepatomegaly, ↑↑peripheral edema)
Physical
Sarcoidosis, Primary Hyperoxaluria
Management of Pediatric Kidney Stones
Acute Managment:
 • Pain relief: NSAIDs, opioids
 • Facilitating passage of stone:
Rx: • PRIMARY HYPEROXALURIA
Causes Abnormal Urine Color - Differential Diagnosis
Turbid White Urine (Albinuria):
 • Chyluria, Filariasis, Schistosomiasis, Malignancy, Phosphaturia,
Phosphaturia, Hyperoxalirua