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Medline ® Abstract for Reference 12

of 'Pain syndromes in autosomal dominant polycystic kidney disease'

Autosomal dominant polycystic kidney disease: presentation, complications, and prognosis.
Delaney VB, Adler S, Bruns FJ, Licinia M, Segel DP, Fraley DS
Am J Kidney Dis. 1985;5(2):104.
Fifty-three symptomatic adults with autosomal dominant polycystic kidney disease were studied retrospectively for a mean follow-up of 12 years (range 10 months to 33 years). Diagnosis was confirmed by either x-ray, ultrasound, laparotomy, or autopsy. Commonest presenting clinical findings were flank pain (30%), hypertension (21%), symptomatic urinary tract infection (UTI) (19%), gross hematuria (19%), and palpable masses (15%). A total of nine patients (17%) progressed to end-stage renal disease. Change in renal function measured using the reciprocal of plasma creatinine plotted against time was linear for each individual patient with a maximum functional decline of 0.7 mg/dL/yr (slope = -0.07). Past the age of sixty renal failure was uncommon. Easily controlled hypertension developed in 64% attended by mild retinopathy. UTIs were common (53%), often recurrent (61%), precipitated by instrumentation in 6 of 14 patients (43%), leading to death in two (33%). Renal calculi were extremely common (34%) and had no defined metabolic cause. The presence of hematuria (64%), gross or microscopic, bore no relationship to the decline in renal function. Pregnancy was normal in these patients with no increase in fetal or maternal morbidity or mortality. We conclude the following: Renal functional deterioration is linear, less than previously reported, and bears no relationship to hematuria. Hypertension is common, easily treated, and causes minor end-organ damage. Renal calculi are frequent. Urinary tract instrumentation often induces infection with considerable morbidity and mortality and must be avoided. Pregnancy is not contraindicated if renal function is normal. The prognosis for survival in this disease is better than previously reported.