Glomerular proteinuria Sustained proteinuria 1-2g/24hour Heavy proteinuria >3.5g/24hour, nephrotic syndrome I Non-selective- Adults Albumin and a mixture of other plasma proteins Selective- children Albumin Minimal change disease
Glomerular proteinuria Sustained proteinuria > 1-2g/24hour Heavy proteinuria >3.5g/24hour, nephrotic syndrome Non-selective - Adults Albumin and a mixture of other plasma proteins Selective – children Albumin Minimal change disease
Benign proteinuria Non-sustained, generally <1g/24hour Functional or transient proteinuria d Fever Orthostatic proteinuria d EXercise Obesity Sleep apnea Emotional stress Congestive heart failure
Benign proteinuria Non-sustained, generally <1g/24hour Functional or transient proteinuria Fever Exercise Obesity Sleep apnea Emotional stress Congestive heart failure Orthostatic proteinuria
EVALUATION OF PROTEINURIA URINE DIPSTICK PROTEINURIA Quantify 24-h excretion, or spot moming protein/creatinine ratio(mg/g) 30-300 mg/d or 300-3500 mg/d or>3500 mg/d or 30350mgg 300-3500mgg >3500mgg Microalbuminuria RBCs or RBC casts on urinalysis Go to Fig 45-2 Consider In addition to disorders listed Nephrotic syndrome Early diabetes under microalbuminuria conside Diabetes Essential hypertension Intermittent proteinuria Amyloidosis Early stages of Postural proteinuria Minimal change disease glomerulonephritis Congestive heart failure FSGS (especially with RBCs,Fever Membranous glomerulopathy RBC casts Exercise MPGN UPEP Glomerular Tubular Abnormal proteins Tamm-Horsfall Light chains B2-microglobulin (x or a) Selective(mostly Nonselective(reflects Tubular injury, any cause Plasma cell albumin;e.g, minimal all plasma proteins; Hypertension dyscrasias change disease e.g,FSGS, diabetes) Chronic renal failure HPIM 17e
HPIM 17e
Pyuria Urinary tract infection u Bacteria u Virus Tubculosis Active inflammation of glomerulus interstitium Acute poststreptococcal glomerulonephritis Membranoproliferative glomerulonephritis MPGN Lupus a Allergy
Pyuria Urinary tract infection Bacteria Virus Tubculosis Active inflammation of glomerulus / interstitium Acute poststreptococcal glomerulonephritis Membranoproliferative glomerulonephritis (MPGN) Lupus Allergy
⊙ RBCs in the urine, isomorphic Round or biconcave, or crenated with regular spikes
RBCs in the urine, isomorphic Round or biconcave, or crenated with regular spikes