Affection of Renal and Urinary System in IBD Patients

Nephrolithiasis, Glomerulonephritis, Amyloidosis,AKI, CKD, Tubuli Interstitial, Urinary System Disorders in IBD Patients

Detection and classification of different renal and urinary affection in patients with IBD that attended to Assist University Hospitals

Background (Research Question, Available Data from the literature, Current strategy for dealing with the problem, Rationale of the research that paves the way to the aim(s) of the work). (200-250 words max.) Inflammatory bowel disease is an idiopathic disease cause sever inflammation of GIT , presentes in ulcerative colitis or Crohn's disease occur in 6%-47% IBD is profoundly associated with extra intestinal manifestions , Especially renal and urinary involvement occurs in 4% - 23% of patients with IBD. Patterns of renal complications include nephrolithiasis, glomerulonephritis, amyloidosis, AKl, CKD, tubulointerstitial nephritis, asymptomatic proteinuria and hematuria; each type has specific mechanism Nephrolithiasis is 10-100 times greater in IBD patients than general population.most common stones are calcium, oxalate and urate; Stones occur due to loss of electrolytes Mg,k due to diarrhea which lead to crystallization. Glomerulonephritis pattern in IBD , is associated with IgA nephropathy, IgM nephropathy, membranous and focal segmental glomerulonephritis. There is genetic connection between IgA nephropathy and intestinal diseases! Secondary amyloidosis (AA-type) is a rare but serious complication of IBD.renal amyloidosis had been proven to be the most common lethal manifestion of IBD - associated amyloidosis (A), since renal involvement rapidly leads to end stage renal failure. Sever long -standing IBD consists a predisposing factor for renal complications that occur in 4-23 % of patients So we aim to shed more light on the pathophysiology of renal damage in IBD; considering the renal manifestions and complications of IBD, it is important to emphasize the role of screening of renal function in preventing, diagnosing, and,if possible, reversing probable kidney damage.

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