Renal Disease Flashcards
Glomerular disease involves immune complex formation and
deposition
Immunologic
Glomerular disease involves exposure to chemicals, toxins and amyloid materials
Non-immunologic
Deposition of immune complexes formed in response to Group A
Streptococcal infection
Acute Post-Streptococcal
Glomerulonephritis
Acute Post-Streptococcal
Glomerulonephritis
Signs and symptoms:
Urinalysis:
Signs and symptoms: edema, fever, fatigue, hypertension
Urinalysis: gross hematuria, proteinuria, RBC casts, dysmorphic
RBCs, hyaline and granular casts, WBC
Acute Post-Streptococcal
Glomerulonephritis lab findings
increase BUN and ASO titer
More serious form of acute glomerular disease that involves
deposition of immune complexes
from systemic immune disorders
Rapidly Progressive/Crescentic Glomerulonephritis
Damaged glomeruli allow release of cells and ______ into the Bowman’s capsule leading to crescentic
formation and pressure changes
Rapidly Progressive/Crescentic Glomerulonephritis
fibrin
Rapidly Progressive/Crescentic Glomerulonephritis
Urinalysis:
Urinalysis: gross hematuria, proteinuria, RBC casts, dysmorphic RBCs, hyaline and granular casts, WBC
Example of systemic disorder of Rapidly Progressive/Crescentic Glomerulonephritis
SLE
(+) __________________________________ which is cytotoxic to collagen leading to complement activation and capillary destruction
Goodpasteur Syndrome
Antiglomerular Basement Membrane Ab
Goodpasteur Syndrome
May lead to ________________________
and ____________________________
May follow ____________________
May lead to chronic glomerulonephritis
and end-stage renal disease
May follow viral respiratory infection
Goodpasteur Syndrome
Signs and symptoms:
Urinalysis:
Signs and symptoms: hemoptysis and dyspnea
Urinalysis: hematuria, proteinuria, RBC casts
(+) __________________________________ that targets neutrophils in the vascular walls initiating immune response and granuloma formation in the lungs and kidneys
Wegener’s Granulomatosis
Antineutrophilic Cytoplasmic Antibody (ANCA)
Wegener’s Granulomatosis
Urinalysis:
Urinalysis: hematuria, proteinuria, RBC cast
Wegener’s Granulomatosis lab findings:
increase serum BUN and creatinine; Ab testing
Allergic _______ that causes decrease in the number of platelets
and affects vascular integrity
Henoch-Schonlein Purpura
Henoch-Schonlein Purpura
Signs and symptoms:
Urinalysis:
Signs and symptoms: red skin patches, blood in sputum and stool
Urinalysis: proteinuria, hematuria, RBC casts
Henoch-Schonlein Purpura Test:
Test for occult blood
Involves IgG deposition on the glomerular membrane leading to
pronounced thickening
Membranous Glomerulonephritis
Membranous Glomerulonephritis can be seen in:
Seen in SLE, Sjogren’s syndrome, secondary syphilis and hepatitis
B infection
Membranous Glomerulonephritis
Urinalysis:
Urinalysis: hematuria and proteinuria
Membranous Glomerulonephritis Test:
ANA, HBsAg, FTA-ABS
Membranous Glomerulonephritis Treatments:
Gold and Mercury Treatments
Cellular proliferation affecting capillary walls or the glomerular
basement membrane
Membranoproliferative Glomerulonephritis
Membranoproliferative Glomerulonephritis
Urinalysis:
Urinalysis: hematuria, proteinuria
Membranoproliferative Glomerulonephritis lab findings:
decreased serum complement
Gradual worsening of symptoms leading to loss of kidney function
Chronic Glomerulonephritis
Chronic Glomerulonephritis
Signs and symptoms:
Urinalysis:
Signs and symptoms: fatigue, anemia, hypertension, edema and
oliguria
Urinalysis: hematuria, proteinuria, glucosuria, isosthenuria and
many casts
Chronic Glomerulonephritis lab findings:
increased BUN and creatinine, electrolyte imbalance
IgA deposition on the glomerular membrane leading to thickening. ________ IgA in mucosal infection
IgA nephropathy/Berger’s Disease
Increase
Acute onset may occur as a result of circulatory disruption causing systemic shock and decrease in blood pressure
Nephrotic Syndrome
Involves membrane damage and changes in the electrical charges
of the basement membrane leading to the passage of high molecular weight proteins and lipids into the urine.
Nephrotic Syndrome
Nephrotic Syndrome cause ____ of _________ causes ________ in capillary _______ pressure and edema
Nephrotic Syndrome cause loss of albumin causes decrease in capillary oncotic pressure and
edema
Nephrotic Syndrome
Urinalysis:
Urinalysis: massive proteinuria (>3.5 g/day), lipiduria (fat droplets,
oval fat bodies, fatty and waxy casts), hematuria
Nephrotic Syndrome lab findings:
decreased serum albumin, increased serum lipids
Inherited disease that affects the glomerular basement membrane (lamellated appearance with areas of thinning)
Alport Syndrome
Alport Syndrome
Urinalysis:
Urinalysis: hematuria
Disruption of podocytes occurring primarily in children following allergic reactions and immunizations
Minimal Change Disease
Disruption of the podocytes in certain areas of the glomerulus
Focal Segmental Glomerulosclerosis
Focal Segmental Glomerulosclerosis are associated with:
Associated with heroin and analgesic abuse, and AIDS
Most common cause of end-stage renal disease
Diabetic Nephropathy/Kimmelstiel-Wilson
Glomerular damage may be due capillary thickening, increase
proliferation of the mesangial cells, increase deposition of cellular
and non-cellular materials. Presence of microalbuminuria.
Diabetic Nephropathy/Kimmelstiel-Wilson
Damage to the renal tubular epithelial cells due to ischemia and nephrotoxic agents
Acute Tubular Necrosis
Acute Tubular Necrosis examples that cause Ischemia:
Shock and trauma
Examples of nephrotoxic agents that causes Acute Tubular Necrosis:
Antibiotics and antifungal, amphoterecin, cyclosporin, heavy metals
Acute Tubular Necrosis
Urinalysis:
Urinalysis: hematuria, RTE cells, RTE casts, other casts
Failure of tubular reabsorption in the PCT (glucose, amino acids, phosphorus, sodium, potassium, bicarbonate and water)
Fanconi’s Syndrome
Fanconi’s Syndrome
Urinalysis:
Urinalysis: glycosuria, possible mild proteinuria
Inherited defect of tubular response to ADH or acquired from
medications
Nephrogenic Diabetes Insipidus
Fanconi’s Syndrome is associated to __________ and ___________________. Acquired through exposure to _____________.
Nephrogenic Diabetes Insipidus is associated to cystinosis and hartnup disease. Acquired through exposure to toxic agents.
Disorders affecting the interstitium also affects the tubules due to their close proximity
TUBULOINTERSTITIAL DISEASES
Most common renal disease that involves the lower urinary tract (urethra and bladder) or the upper urinary tract (renal pelvis, tubules and interstitium)
Urinary Tract Infection
Urinary Tract Infection signs include:
Signs include frequent and burning urination
Renal Calculi/Lithiasis removal:
Removal: surgery or high-energy shock waves
Performed to determine the causative agent in urinary tract infection
Bacterial Culture
Most frequently encountered infection that may ascend to the upper urinary tract
Cystitis
Cystitis
Urinalysis:
Urinalysis: WBC, bacteria, mild proteinuria, microscopic hematuria and increased pH
Affects the renal tubules and interstitium. Congenital urinary defect resulting to reflux nephropathy
Pyelonephritis
Allergic inflammation of the renal interstitium in response to certain medications
Acute Interstitial Nephritis
Formation of stones in the renal calyces, renal pelvis, ureters
and bladder. May be passed in the urine and obstruct the urinary tract
Renal Calculi/Lithiasis
Primary Calculi Constituents:
Calcium oxalate/ phosphate
Magnesium ammonium phosphate
Uric acid
Cystine
Primary Calculi Constituents
___________________: may be due to metabolic disorders or diet
Primary Calculi Constituents
Calcium oxalate/phosphate (~75%): may be due to metabolic disorders or diet
Primary Calculi Constituents
______________________________: frequently accompanied by UTI involving urea-splitting bacteria
Primary Calculi Constituents
Magnesium ammonium phosphate: frequently accompanied by UTI involving urea-splitting bacteria
Primary Calculi Constituents
_________: associated with increased intake of foods with high purine content
Primary Calculi Constituents
Uric acid: associated with increased intake of foods with high purine content
Primary Calculi Constituents
______: seen in conjunction with hereditary disorders of cysteine metabolism
Primary Calculi Constituents
Cystine: seen in conjunction with hereditary disorders of cysteine metabolism