GU Geriatrics Flashcards
where does prostate hyperplasia typically occur in BPH
periurethral or transitional zone
sx BPH
irritative sx - frequency, urgency, nocturia, incontinence
obstructive sx - weak flow, incomplete emptying
DRE - uniform, enlarged, smooth, firm, contender, rubbery prostate
tx BPH
observe - lifestyle
alpha-1 blockers - best initial but don’t change prostate size (tamsulosin – other zosins)
5-alpha reductase inhibitors - reduces size of prostate (finasteride and dutasteride)
TURP
what is paraphimosis
retracted foreskin in an uncircumcised male that cannot be returned to normal
EMERGENCY
tx paraphimosis
manual reduction
granulated sugar, injection o hyaluronidase
incision or circumcision= definitive
what is phimosis
inability to retract foreskin over glans
tx phimosis
proper hygiene and stretching of skin
4-8 weeks of topical steroids
circumcision = definitive
MC population affected by urge incontinence
older women
pathophys of urge incontinence
detrusor muscle overactivity
another name for urge incontinence
overactive bladder
tx urge incontinence
bladder training !!!!!
lifestyle + Kegel
beta-3 agonists - mirabegron, vibegron
antimuscarinic drugs - trospium, darifenacin, tolterodine
botox injections
overflow incontinence is caused by either ____ or ____
bladder detrusor muscle under activity or bladder outlet obstruction (like BPH)
dx overflow incontinence
clinical
PVR > 200
tx overflow incontinence
intermittent or indwelling catheter
cholinergic (Bethanechol)
MC bacterial cause of cystitis
E coli
dx cystitis
UA - pyuria (>10 WBCs/hpf)
Urine culture - definitive - needs to be clean catch
tx cystitis
1st line - nitrofurantoin, TMP-SMX, or fosfomycin
2nd line - fluroquinolones
phenazopyridine is a bladder analgesic (turns fluids orange)
MC bacterial cause of pyelo
E coli
dx pyelo
UA - pyuria (> 10 WBCs/hpf); WBC casts are hallmark
Urine culture - definitive
tx pyelo
fluoroquinolones - cipro or levo
MCC prostatitis
> 35 E coli
< 35 chlamydia and gonorrhea
sx prostatitis
spiking fever, chills, perineal pain
recurrent UTIs
PE prostatitis
boggy and exquisitely tender prostate - acute
nontender, boggy prostate - chronic
dx prostatitis
UA and urine culture - pyuria and bacteriuria
what should be avoided in prostatitis
prostatic massage
tx prostatitis
> 35 - fluoroquinolones
< 35 - doxy + cef
tx for 4-6 weeks
MC type of bladder CA
urothelial (transitional cell)
MC risk for bladder CA
tobacco smoking
sx bladder CA
hematuria - gross, painless
dx bladder CA
UA to rule out benign
cystoscopy
renal function tests
CT urography
cystoscopy with bx - criterion standard
tx bladder CA
TURP
radical cystectomy if invading muscle
metastatic - platinum-based chemo
MC type prostate CA
adenocarcinoma
RF prostate CA
increasing age
black
genetics
sx prostate CA
asx - most
urinary sx
back or bone pain
PE prostate CA
hard, indurated, nodular, enlarged, asymmetrical prostate
most accurate test for prostate CA
transrectal US-guided needle biopsy
what grading scale for prostate CA
Gleason grading system
tx prostate CA
GnRH agonist - Leuprolide, Goserelin
GnRH antagonist - Degarelix, Relugolix
prostatectomy
MCC erectile dysfunction
vascular - atherosclerosis, DM
how to determine if erectile dysfunction is due to psychological or systemic issues
abrupt onset most likely psychological
gradual worsening is systemic
tx erectile dysfunction
PDE5 inhibitors - sildenafil, tadalafil
don’t use with patients w nitrates or CV dz
sx nephrotic syndrome
edema - usually worse in the morning (periorbital, lower extremity, genital)
frothy urine
hyper coagulable state - DVT and PE
PE nephrotic syndrome
HTN
Edema
dx nephrotic syndrome
proteinuria - oval Maltese cross-shaed fat bodies (fatty casts) on urine microscopy
hypoalbuminemia < 3
hyperlipidemia
spot urine protein creatinine > 300-350 mg/mmol - may be easier than 24H urine
24H urine protein > 3-3.5 g/day - gold standard
renal biopsy - definitive
tx nephrotic syndrome
edema - thiazides or loops + 1 liter fluid and sodium restriction
proteinuria reduction - ACEI or ARB
hyperlipidemia - diet and statins
nephrotic syndrome is characterized by
proteinuria (> 3.5 g/day), hypoalbuminemia, hyperlipidemia, edema
MCC chronic renal failure in the US
DM
MC primary cause of nephrotic syndrome in caucasian adults
membraneous nephropathy
bx membranous nephropathy
light microscopy - uniform thickening of the glomerular basement membrane
immunofluorescent - immune complex deposition (IgG and C3)
acute glomerulonephritis is characterized by
HTN
hematuria (RBC casts) - cola colored
azotemia
proteinuria (edema)
pre renal AKI is characterized by
decreased renal perfusion with nephrons still structurally intact
causes of pre renal AKI
hypovolemia
afferent arteriole vasoconstriction - NSAIDs
efferent arteriole dilation - RAAS blockers
dx pre renal AKI
BUN: Creatinine ratio > 20:1
FENA < 1%
high urine specific gravity
increased urine osmolarity
tx pre renal AKI
volume repletion w normal saline
MC type of intrinsic AKI
acute tubular necrosis
causes of ATN
ischemic - prolonged pre renal azotemia
nephrotoxic - radio contrast dye, ahminoglycosides, vancomycin
dx ATN
UA - renal tubular epithelial casts and granular (muddy brown) casts
low urine specific gravity
low urine osmolarity
FENA > 2%
tx ATN
remove offending agents and IV fluids
most important noninvasive test for KAI
UA
what is acute interstitial nephritis
a type of intrinsic AKI characterized by an inflammatory or allergic tubulointerstitial injury
causes acute interstitial nephritis
drug hypersensitivity - MC - NSAIDs, PCNs, Sulfa drug, PPIs
sx acute interstitial nephritis
triad - fever, transient maculopapular rash, arthralgias
dx acute interstitial nephritis
UA - white cells (sterile pyuria with positive leukocyte esterase), red cells, white cell casts, proteinuria
increased serum IgE
tx acute interstitial nephritis
identification and discontinuation of offending meds
post renal azotemia is characterized by
obstruction of the passage of urine – both kidneys need to be obstructed
dx post renal azotemia
increased serum creatinine
UA - usually normal
Renal imaging - US
PVR - > 100 mL urine
tx post renal azotemia
remove obstruction - catheterization
RF for CKD
DM
HTN
chronic NSAID use
AA/hispanic/asian
Age > 60
SLE
kidney transplant
FHx kidney dz
stages CKD
stage 1 - proteinuria, abnormal UA, serum, imaging but GFR > 90 (normal)
stage 2 - GFR 89-60
stage 3 - 59 - 30
stage 4 - 29 - 15
stage 5 - < 15 - requires dialysis and/or transplant
second MCC CKD
HTN
dx CKD
proteinuria - spot urine albumin/creatinine ratio preferred over 24H
Broad waxy casts on UA
GFR
US - small kidneys classic
BP goal for CKD
< 140/90
heritability of polycystic kidney dz
autosomal dominant disorder due to mutations in PKD1 or PKD2
where do cysts for in PKD
kidney
liver - second MC
spleen
pancreas
what stimulates cysts to grow in PKD
vasopressin
sx PKD
abdominal and flank pain
cerebral “berry” aneurysms - can cause subarachnoid hemorrhage
MVP
colonic diverticula
PE PKD
HTN
palpable flank masses or large kidneys
dx PKD
UA - hematuria, decreased urine concentrating ability, proteinuria
US - most widely used imaging test
genetic testing after US
tx PKD
ACEI or ARB for HTN
increase fluids
Tolvaptan - vasopressin 2 receptor antagonist
what can result for CKD
secondary hyperparathyroidism - hypocalcemia, increased PTH, increased phosphate
normal pH
7.35-7.45
normal PCO2
35 - 45
normal HCO3-
22-26
what is renal cell carcinoma
tumor of the proximal convoluted renal tubule cells
MC renal cell carcinoma
clear cell
RF for renal cell carcinoma
smoking
HTN
obesity
men
dialysis
sx renal cell carcinoma
triad - hematuria, flank or abdominal pain, palpable abdominal or flank mass
left sided varicocele
METs - canon ball mets to the lungs; may also met to bone
dx renal cell carcinoma
CT best initial
erythrocytosis often present
tx renal cell carcinoma
radical nephrectomy
can do chemo
what is multiple myeloma
CA of the plasma cells leading to IgG, IgA, IgM
MC primary bone malignancy in adults
multiple myeloma
sx multiple myeloma
BREAK
bone pain - MC - vertebral involvement MC
recurrent infections
elevated calcium
anemia
kidney injury - increased BUN and creatinine
dx multiple myeloma
rouleaux formation - RBCs with a stack of coins appearance due to increased plasma protein
increased ESR
Hypercalcemia
serum protein electrophoresis - monoclonal proteini spike - IgG
urine protein electrophoresis - Bence-Jones proteins (kappa or lambda light chains)
radiographs - punched out lytic lesions
bone marrow aspiration - plasmacytosis (clonal plasma cells) >/= 10% = definitive
tx multiple myeloma
autologous stem cell transplant most effective