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Acute polyradiculoneuropathy with renal failure: mind the anion gap
M Alzouebi1, P G Sarrigiannis, M Hadjivassiliou
1Department of Medicine, Sheffield Teaching Hospitals, NHS Trust, Sheffield, UK.
Abstract:
We describe a 47-year-old male who presented with acute renal failure and later developed bilateral facial weakness, complete ophthalmoplegia, flaccid tetraparesis and diminished sensation in the extremities. Renal biopsy and urine toxicology were consistent with ethylene glycol intoxication. Sequential neurophysiological examinations revealed sensory nerve axonal loss, proximal motor nerve conduction block and a proximodistal type of axonal degeneration. Seven months after ingestion, the patient improved and was able to walk unaided but with residual bilateral facial weakness and distal sensory loss.
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Renal Regulation of Acid-Base Balance
In the kidneys, cells within the proximal convoluted tubules (PCT) and the collecting ducts secrete hydrogen ions (H+) into the tubular fluid. Specifically, in the PCT, Na+/H+ antiporters secrete H+ while reabsorbing Na+.
However, the intercalated cells in...