Metformin and Diabetes: still has a sense of its use in paz. CKD stage II or is an additional risk factor?

Abstract

Pz woman of 62 years comes to P.S.G. for fatigue, low-grade fever, diuresis present. A history of hypertension refers to therapy for about five years, diabetes mellitus for about two years in therapy with Metformin 1gr x 3 gg / day.  Blood tests: BUN 195 mg / dL, creatinine 8.0 mg / dl, Ph 6877, HCO3 5.1 mmol / L BE -29.1 mmol / l. Rapid clinical deterioration with occurrence of arterial hypotension – 85/60 mmHg, stupor. Start therapy Bicarbonates ev, is positioned in Urgency CVC and it undergoes AFB with infusion of bicarbonates 2000 ml / h for 4 hours, blood flow rate 250 ml / min., the hemodynamics has been supported with dopamine infusion 200 mg: 2 vials in 250 cc of physiological vel 30 – 40 ml / h, The pc after undergoing three AFB, interrupted the dialysis for resumption of diuresis spontaneous and progressive improvement of renal function and blood pressure. Monitored, after discharge, the parameters of renal function decreased to within normal limits, clearance compatible with IRC II – III stage.

Conclusions: dehydration, fever, IRC II stadium, undiagnosed caused, in a very short time, an accumulation of metformin, which has been the cause of metabolic acidosis. The pc. saved thanks to the positioning of the CVC and to the AFB in the treatment with the infusion of large quantities of Bicarbonates e.v.

The use of metformin in pcs. > 50 years and / or creatinine clearance <60 ml / min., Must be subordinated to the preliminary study and periodic renal function.

 

Keywords: Metformin, Diabetes, IRA, metabolic acidosis

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Paziente di sesso femminile di 62 anni giunge al P.S.G. per astenia, malessere generale e riferita febbricola, in anamnesi riferisce ipertensione arteriosa in terapia antipertensiva da circa 5 anni, diabete mellito non insulino dipendente da circa 2 anni in terapia con Metformina 1 gr x 3/die. 

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A cause of acute renal dysfunction: a giant bladder diverticulum

Abstract

We describe the case of a previously 77-year-old man who accessed in our Nephrology Unit for acute kidney injury (AKI) on chronic kidney disease (CKD), gastric discomfort and vague urinary symptoms with apparently preserved diuresis and suspected “ascites”. Physical examination confirmed the presence of abdominal effusion, even though ultrasound abdominal examination revealed the presence of a giant diverticular urinary bladder with bilateral hydronephrosis. We discuss the diagnostic and therapeutic approach of these rare complications by briefly reviewing the technical aspects and the possible consequences.

 

KEY WORDS: Bladder diverticulum, obstructive nephropathy, AKI

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RAZIONALE

I diverticoli vescicali sono erniazioni della tonaca mucosa e sottomucosa attraverso la parete vescicale. Possono essere solitari o multipli raggiungendo anche dimensioni considerevoli, causando molto raramente ritenzione urinaria. I pochi casi di mega diverticolo descritti in letteratura sono di tipo congenito ed associati ad una vescica neurogena o ad un ostacolo dell’out-flow vescicale. Nel soggetto adulto in età avanzata sono stati descritti rari esempi, generalmente originanti da un’ostruzione delle vie urinarie, come nel caso di ipertrofia prostatica benigna (IPB). Nella maggior parte dei casi i sintomi descritti erano vaghi (discomfort gastrico, tenesmo e senso di peso vescicale), ma non era stata riportata l’insorgenza di un’insufficienza renale acuta (IRA) conclamata (1, 2). 

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