Paed:Renal Flashcards
What is a UTI?
Growth of bacteria within the urinary tract. 10^5 organisms/ml in an appropriate sample.
What may UTI in a child indicate?
Structural abnormality of urinary tract
Clinical features of Upper UTI?
Fever Septicaemic illness Malaise Vomiting Loin/abdo pain in older child FtT + Jaundice in infancy
Clinical features of Lower UTI?
Dysuria Polyuria Urgency Incontinence Lower abdo pain Haematuria
Diagnosis of UTI
Collect urine in clean catch sample.
Urethral catheter or suprapubic aspiration are alternatives.
MCS
What would you see on UTI dipstick?
Nittrites and leucocyte esterase.
Common causative organism for UTIs
Normally E.Coli
Also: Klebsiella, proteus, pseudomonas, strep faecalis
Risk factors for developing UTI?
Incomplete bladder emptying
Renal tract abnormality
Vesicoureteric reflex
Constipation
What is vesicoureteric reflex?
Flow of urine goes wrong way due to anomaly of vesicoureteric junction.
What is the management of UTI?
<3months: Full septic screen, cefotaxime + amoxicillin.
>3months: Trimethoprim or IV cefuroxime if no improvement.
Imaging for UTI?
Ultrasound
Micturating cystourethragram
DMSA scan
What are the 3 signs of nephrotic syndrome?
Proteinuria
Hypoalbuminaemia
Oedema
(also hyperlipidaemia)
Clinical features of nephrotic syndrome?
Periorbital oedema
Scrotal, vulval, leg, ankle oedema
Ascites
Breathlessness due to pleural effusion
Investigations for nephrotic syndrome?
Protein on dipstick
Creatinine/Albumin ratio
Urine MCS
What is Steroid Sensitive Nephrotic Syndrome?
Nephrotic syndrome that resolves with corticosteroid therapy. Often precipitated by respiratory infections.
Complications of SSNS?
Hypovolaemia - tx with IV albumin
Thrombosis
Infection
Hypercholesterolaemia
What is Steroid resistant nephrotic syndrome?
Doesnt respond to steroids. Oedema managed by diruetics, ACE-i and NSAIDS to reduce proteinuria.
Treatment of SSNS?
Prednisolone
Also: Sodium and water moderation, diuretics
What is one of the most common causes of Nephrotic Syndrome?
Minimal change disease. damage to the podocytes of the kidney.
What are differences between glomerular and lower tract haematuria?
Glomerular: Brown urine, deformed red cells and casts, often proteinuria too
Lower tract: red, beginning or end of stream. unusual in children.
Causes of non-glomerular haematuria?
Infection Trauma Stones Tumours Sickle Cell