Urology Flashcards
priapism definition
prolonged painful erections
prolonged painful erections
priapism
causes of priapism
HbSS, trauma, ED medication (e.g. sildenafil)
HbSS, trauma, ED medication could be causes of
priapism
priapism management
requires prompt treatment to prevent ischaemic damage
medical = phenylephrine
surgical = decompression + corporal aspiration
medical = phenylephrine surgical = decompression + corporal aspiration
priapism management
phenylephrine is
an sympathomimetic acting predominantly on a-adrenergic R –> peripheral vasoconstriction
an sympathomimetic acting predominantly on a-adrenergic R –> peripheral vasoconstriction
phenylephrine
prostate ca location
posterior lobe, peripherally
prostate ca is graded using
Gleason score
Gleason score is used to grade
prostate ca
Gleason score system
the grade of the majority of the cells + the highest other grade seen (3-5)
most common testicular tumour in boys
yolk sac
yolk sac tumours
most common testicular tumour in boys, elevated AFP + Schiller Duval bodies
most common testicular tumour in boys, elevated AFP + Schiller Duval bodies
yolk sac tumours
Schiller Duval body
pathognomonic of yolk sac tumour, “resemble the glomerulus”
pathognomonic of yolk sac tumour, “resemble the glomerulus”
Schiller Duval body
testicular torsion
sudden, severe, testicular pain, tenderness, N+ V, cremasteric reflex may be absent
cremasteric reflex
lightly stroke the superior + medial thigh leads to a ipsilateral contraction of the cremaster muscle
lightly stroke the superior + medial thigh leads to
cremasteric reflex
absent cremasteric reflex
testicular torsion, upper + lower motor neurone disorders, L1/2 spinal injury
testicular torsion, upper + lower motor neurone disorders, L1/2 spinal injury may lead to
an absent cremasteric reflex
cryptorchidism
undescended testicle
undescended testicle
cryptorchidism
cryptorchidism risk factors
SGA, prematurity
SGA, prematurity are risk factors for
cryptorchidism
complications of cryptorchidism
torsion, infertility, testicular (germ cell) cancer
torsion, infertility, testicular cancer are complications of
cryptorchidism
cryptorchidism management
close monitoring + review at 3/12
>3/12 refer to paediatric surgeon ?orchiopexy
close monitoring + review at 3/12
>3/12 refer to paediatric surgeon is the management for
cryptorchidism
dorsal aspect of penis
anterior
ventral aspect of penis
poster
hypospadia
abnormal opening of the urethra on the inferior/ventral side of the penis
abnormal opening of the urethra on the inferior/ventral side of the penis
hypospadia
epispadias
abnormal urethral opening on the superior/dorsal surface of the penis
abnormal urethral opening on the superior/dorsal surface of the penis
epispadias
varicocele most commonly affect
the LHS due to increased resistance to flow (L gonadal verin to L renal vein, R gonadal v to IVC)
germ cell testicular cancer risk factors
Kleinfelter’s S, cryptorchidism
Kleinfelter’s S, cryptorchidism are risk factors for which type of testicular cancer
germ cell
testicular mass is ___ until proven otherwise
cancer
epididymal masses are nearly always
benign
differentials for scrotal pain
testicular torsion, testicular cancer, referred pain from renal colic, trauma, epididymitis, orchitis, strangulated hernia
differentials for scrotal swelling
testicular cancer, varicocele, hydrococele, testicular torsion, trauma, hernia, epididymitis/orchitis (STI, TB, mumps), spermatococele
differentials for difficulty passing urine
BPH, strictures, detrusor dysfunciton, UTI, bladder/prostate ca, neurological cause, retention
differentials for haematuria
infection, inflammation, baldder/kidney/ureter/prostate ca, stones, BPH, trauma, beetroot, ketamine abuse
differentials for loin pain
stones, MSK, trauma
differentials for urinary incontinence
stress (weak sphincter), urge (detrusor overactivity), mixed, functional, continuous (vesicovaginal fistulae), overflow (chronic distended bladder), nocturnal enuresis, post-micturition dribble
differentials for ED
age, depression, anxiety, stress, CVS DZ, Peyronie’s DZ, SC DZ, MS, PD, iatrogenic, DM, renal failure, cirrhosis
orchitis
less common than epididymo-orchitis, inflammation of just the testis, e.g. mumps orchitis (with parotid swelling)
varicocele
ectatic + tortuous v of the paminiform plexus of the spermatic cord, 15% of male adolescents, may cause pain, damage to testes, infertility
Peyronie’s DZ
CT DZ, fibrous plaques in the tunica albuginea, abnormal curvature, ED,
epididymo-orchitis
acute, ux, 2/3rds = chlamydia, may be urethral discharge, urethritis often asymptomatic
epididymo-orchitis management
quinolone ABx, doxy if chlamydia
ectatic + tortuous v of the paminiform plexus of the spermatic cord, 15% of male adolescents, may cause pain, damage to testes, infertility
varicocele
CT DZ, fibrous plaques in the tunica albuginea, abnormal curvature, ED,
Peyronie’s DZ
acute, ux, 2/3rds = chlamydia
epididymo-orchitis
quinolone ABx, doxy if chlamydia is the management for
epididymo-orchitis
prostate ca risk factors
age, ethnicity, FH
prostate ca presentation
PSA, LUTS, mets, malaise, weight loss, SCC, anaemia
prostate ca investigations
DRE, PSA, TRUS, MRI/CT, bone scan
PSA pros
detect ca, at earlier stage for Rx, serial measurements for progression of DZ
PSA cons
not diagnostic, doesn’t detect all ca, detece ca which PT may have died with rather than of (overtreatment)
T1/2 prostate ca
confined to prostate gland
prostate ca management
active surveillance for low risk
T1/2 = radical prostatectomy, brachytherapy, external beam radiotherapy
T3 = radical prostatectomy + extended pelvic lympadenectomy, external bean radiotherapy + androgen depravation
metastatic DZ: castration
radical prostatectomy effect on PSA + SE
PSA should drop to 0, SE: ED, incontinence
EBRT
daily for 4-7.5/52, plus androgen deprivation therapy (LHRH agonist), SE: bowel symptoms, ED, frequency + urgency
brachytherapy
radioactive seeds inserted into prostate, SE: frequency + urgency, retention
T3 prostate ca
beyond prostate
T4 prostate ca
invades adjacent structures
medical castration
goserelin acts on pituitary gland to stop LH/FSH release, use cyproterone acetate (testosterone agonist) to prevent tumour flare
finasteride
5a-reducatse inhibitor, metabolises testosterone to dihydrotestosterone, used in BPH + male pattern baldness, reduces prostate V, may slow DZ progression, takes 6/12 to work
5a-reducatse inhibitor, metabolised testosterone to dihydrotestosterone, used in BPH + male pattern baldness, reduces prostate V, may slow DZ progression, takes 6/12 to work
finasteride
confined to prostate gland = Tx
1/2
beyond prostate = Tx
3
invades adjacent structures = Tx
4
AFP is a marker of
teratoma, HCC ca
explain TURP
NBM 6h prior, camera via penile opening to prostate, removes excess tissue, spinal/GA, overnight stay, catheter removed w/i 24h, OP follow up
alternative to TURP for BPH
medical (finasteride, tansulosin), catheterisation
complications of TURP
haematuria, injury to bladder/urethra, urinary incontinance, ED, retrograde ejaculation, urine infection, TURP S, urinary retention, recurrence
TURP S
rare, but potentially life threatening complication of TURP: hyponatraemia, electrolyte disturbances, fluid overload due to absorption of fluids used in bladder irrigation
hyponatraemia, electrolyte disturbances, fluid overload due to absorption of fluids used in bladder irrigation
TURP S
BPH investigations
IPSS, DRE, urinalysis (UTI, proteinuria, haematuria), PSA, prostate US, prostate biopsy, flow rate, bladder scan (post-void), urodynamics
IPSS, DRE, urinalysis, PSA, prostate US, prostate biopsy, flow rate, bladder scan, urodynamics
BPH investigations
tamsulosin
alpha-1-adrenoreceptor antagonist in the prostate causing smooth m relaxation, rapid onset
tamsulosin SE
dizziness, postural hypotension, dry mouth, depression, lethagy, GI disturbances, nasal congestion, ED
dizziness, postural hypotension, dry mouth, depression, lethagy, GI disturbances, nasal congestion, ED are SE of
tamsulosin
alpha-1-adrenoreceptor antagonist in the prostate causing smooth m relaxation, rapid onset is the method of action of
tamsulosin
finasteride SE
ED, decreased libido, ejaculatory disorders, gynaecomastia, breast tenderness
ED, decreased libido, ejaculatory disorders, gynaecomastia, breast tenderness are SE of
finasteride
which drug may decrease PSA by up to 50%?
finasteride
finasteride + PSA
may reduce valused by up to 50%
urinary symptoms - ask about
f, nocturia, terminal dribbling, incomplete voiding, straining, hesitancy, urgency, incontinence, haematuria, dysuria, abdo/pelvic pain, constipation, fever, lower back pain, sexual dysfunction, urinary retention, previous Sx/intervention, systemic features: weight loss, appetite, bone pain
storage symptoms
urgency, urge incontinence, f, nocturia
voiding symptoms
hesitation, poor stream, terminal dribble, intermittent stream, post-void residual V, post-void dribble, prolonged voiding, straining
urgency, urge incontinence, f, nocturia
storage symptoms
hesitation, poor stream, terminal dribble, intermittent stream, post-void residual V, post-void dribble, prolonged voiding, straining
voiding symptoms
LUTS DD
BPH, bladder ca, prostate ca, UTI, OAB, urethral strictures, neurological DZ
BPH, bladder ca, prostate ca, UTI, OAB, urethral strictures, neurological DZ are differentials for
LUTS
scoring system used for LUTS
IPSS (international prostate symptom score)
BPH definition
hyperplasia = increase in the number of prostate cells, a histological diagnosis
BPE
enlargement of the prostate gland which may be due to BPH
BOO
bladder outflow obstruction = regardless of cause
BOO indications for referral + intervention
acute urinary retention, bladder stones, large post-void residual leading to obstructive nephropathy/recurrent infections, failing medical management
acute urinary retention, bladder stones, large post-void residual leading to obstructive nephropathy/recurrent infections, failure of medical management are indications for
referral + intervention
IPSS questions
incomplete emptying, f, intermittency, urgency, weak stream, straining, nocturia
BOO treatment options
watchful waiting, a-blockers (tamsulosin), 5a-reductase i (finasteride), combination therapy, phytotherapy, Sx, catheter
watchful waiting/conservative methods for BOO include
fluid intake, caffeine, EtOH, bladder retraining, continence pads
phytotherapy is
herbal remedy for BPH
herbal remedy for BPH
phytotherapy
BXO
balanitis xerotica obliterans (male equivalent of lichen sclerosis) - itchy white spots on penis (foreskin + glans), hyperkeratotic, associated with dysuria, reduction of sensation of the glans
associations with BXO
phimosis, SCC, infection
itchy white spots on penis (foreskin + glans), hyperkeratotic, associated with dysuria, reduction of sensation of the glans
BXO balanitis xerotica obliterans
BPH risk factors
age, ethnicity (black > white > asian)
first line medical management of BPH
tamsulosin (a1-agonist, smooth m relaxant, quick acting)
second line medical management in BPH
finasteride (5a-reductase i, slower acting)
two types of urethral injury
bulbar rupture and membranous rupture
bulbar rupture
straddle injuries, most common
triad of: urinary retention, perineal haemorrhage, blood at meatus
membranous rupture
extra/intraperitoneal, pelvic #, penile/perineal oedema/haematoma, prostate displaced upwards
investigations for urethral injury
ascending urethrogram
management of urethral injury
suprapubic catheter (Sx placement)
bulbar rupture and membranous rupture are two types of
urethral injury
straddle injuries, most common
triad of: urinary retention, perineal haemorrhage, blood at meatus
bulbar rupture
extra/intraperitoneal, pelvic #, penile/perineal oedema/haematoma, prostate displaced upwards
membranous rupture
bladder injury presentation
intra/extraperitoneal rupture, haematuria, suprapubic pain, Hx of pelvic #, inability to void
bladder injury investigations
IVU, cystogram
bladder injury manaement
laporotomy or conservative management depending on injury
most common type of testicular ca
germ cell (95%) - of which 60% are seminomas + 40 % are non-seminomas
non-germ cell ca of the testis include
Leydig cell tumours, Sertoli cell tumours, lymphoma
seminoma vs non-seminoma
seminoma: less aggressive, radiosensitive, 30-40 y.o.
non-seminoma: AFP + HCG raised, more aggerssive, 20-30 y.o.
less aggressive, radiosensitive, 30-40 y.o. type of testicular cancer
seminoma
AFP + HCG raised, more aggerssive, 20-30 y.o. type of testicular ca
non-seminoma
testicular ca symptoms
lump, pain, dragging sensation, inflammation, Hx of trauma, gynaecomastia
testicular ca history questions
FH, cryptorchidism, previous testicular ca, Kleinfelter’s S, teticular atrophy
stage I testicular ca
confined to testis
stage II and III
LN involvement
stage IV testicular ca
metastatic DZ
testicular ca managemet
sperm freezing, inguinal orchidectomy, chemotherapy, radiotherapy
testicular ca investigations
USS, serum AFP, HCG, LDH, CTCAP
inguinal hernia
can’t get above it, cough impulse, may be reducible
testicular tumours
may be discrete nodule, may be associated hydrococele, symptoms of metastatic DZ, USS, AFT, HCG
acute epididymo-orchitis
Hx of dysuria + urethral discharge, tender, chlamydia risk factors,
epididymal cyst
single or multiple, >40 y.o., painless, above + behind testis, separate from body of testis
hydrococele
painless, fluctuant, transilluminate (2’ to epididymo-orchitis, tumour, torsion)
testicular torsion
sudden, severe pain, risk = abnormal testicular lie, adolescents/young males, tender
varicocele
L > R, affected testis may be smaller, may affect fertility, may be a presenting feature of RCC
Sx exploration of suspected testicular torsion w/i
4-6hrs of onset of pain
Sx for testicular torsion
untwisting of torsioned testis, if salvageable fixing to scrotal sac to prevent recurrence, fixation of the other testis too
what’s the best modality to visulise urinary calculi
non contrast CT
urinary calculi have a 10 year recurrence rate of
50%
risk factors for stone formation
male, 20-50 y.o., N Europe/Middle E, Caucasians + Asians > African, high protein diet (western), sedentary work, low fluid intake, iatrogenic (steroids, chemo for myeloproliferative DZ), immobility, systemic DZ (sarcoidosis), IBD/malabsorption, abnormal renal anatomy (pelvi-ureteric junction obstruction + horseshoe kidney), FH
how do steroids + chemo for myeloproliferative DZ increase risk of urinary calculi
causes release of purines + uric acid
how does immobility increase risk of urinary calculi
bone demineralisation + raised urinary Ca levels
how does IBD/malabsorption increase risk of urinary calculi
causes high urinary oxalate levels (hyperoxaluria)
stone types
Ca containing stones = 80%, radiopaque
Uric acid = 5-10%, radiolucent
Struvite (Mg NH4 PO43-) = 10-15%, radiopaque (can form staghorn calculi)
Cystine = 1%, faintly radiopaque (occurs in cystinuria)
urinary calculi presentation
incidental, severe loin pain (colicy), radiating to groin/genitalia, haematuria (microscopic or macroscopic), recurrent UTI/pyelonephritis (esp if staghorn), restless PT, N+V, f + urgency (depending on position of stone)
US can be used to detect what type of urinary calculi
renal (not ureteric)
pros of non contrast CT for detecting urinary calculi
high sensitivity (97%), quick, avoids contrast, detects other causes of abdo pain
cons of non contrast CT for detecting urinary calculi
> radiation dose than short series IVU, expensive, not available in all units all the t, < easy to interpret, pelvic pheloboliths vs sm distal ureteric stones = difficult to distinguish
management of sm asymptomatic stones
observe, if >4mm will likely become symptomatic
interventional management of symptomatic stones
ESWL (extracorporeal shock wave lithotripsy), flexi uretererenoscopy, PCNL (percutaneous nephrolithotomy), laparoscopy, open Sx
what is ESWL
extracorpal shock wave lithotripsy, shock waves directed under XR/US onto stone, absorption of shock waves leads to break up of stone, fragments passed in urine
ESWL is used for
stones <2cm, unfit for GA, failure of endoscopic control
flexi ureterorenoscopy is used for
stones <2cm, failed ESWL
flexi ureterorenoscopy is suitable for
hard stones (cystine), lower pole stones, obese PTs, skeletal abnormalities, stones trapped in calyceal diverticula, challenging anatomy (pelvic/horeshoe kidney), safe in anticoagulated PTs
ESWL CI
absolute: pregnancy, uncorrected bleeding disorder, anticoagulated PTs
relative: obese, aneurysmal DZ, skeletal abnormalities, unRx’d UTI, obstructed ureter, fertile females
what is PCNL
percutaneous nephrolithotomy, GA, nephroscope through skin to collecting system + stone, laser/US E used to fragment stone, fragments washed out
PCNL is good for
large stones >2cm, lower pole stones, trapped stones in caluceal diverticulum, staghorn
medical managememt of symptomatic stones
antiemetics, NSAIDs (IM ketoprofen, PR diclofenac)
investigations in urinary calculi
urinalysis, U+E, creatinine, non contrast CT/IVU/plain XR
conservative management of sm stones
<4-6mm will pass on their own, a-blockers help
PTs unsuitable for conservative management
> 7mm stone, uncontrolled pain, prolonged obstruction >2/52 that could lead to irreversible nephron loss, fever, solitary kidney, renal impairment, social impact
f stone formers/+ve FH need to rule out
abnormal Ca metabolism, cytinuria (less common)
stones <2cm, unfit for GA, failure of endoscopic control
use ESWL
stones <2cm, failed ESWL
use flexiureterorenoscopy
hard stones (cystine), lower pole stones, obese PTs, skeletal abnormalities, stones trapped in calyceal diverticula, challenging anatomy (pelvic/horeshoe kidney), safe in anticoagulated PTs
flexiureterorenoscopy
pregnancy, uncorrected bleeding disorder, anticoagulated PTs are CI of
ESWL
shock waves directed under XR/US onto stone, absorption of shock waves leads to break up of stone, fragments passed in urine
extracorpal shock wave lithotripsy
GA, nephroscope through skin to collecting system + stone, laser/US E used to fragment stone, fragments washed out
percutaneous nephrolithotomy
large stones >2cm, lower pole stones, trapped stones in caluceal diverticulum, staghorn
use PCNL
> 7mm stone, uncontrolled pain, prolonged obstruction >2/52 that could lead to irreversible nephron loss, fever, solitary kidney, renal impairment, social impact
unsuitable for medical management
abnormal Ca metabolism, cytinuria (less common) needs to be ruled out in
f stone formers/+ ve FH
types of ca stone
Ca oxalate > Ca phosphate
types of infection seen with staghorn calculi
Proteus mirabilis
Proteus mirabilis infection seem with what type of stone
staghorn/Struvite/Mg NH4 PO43-
paraphimosis occurs in
uncircumcised men
mechanism of paraphimosis
foreskin becomes fixed in the retracted position, cannot be reduced, constricting venous return from the glans, leading to swelling
paraphimosis is related to
previous phimosis
most common cause of paraphimosis
iatrogenic - medical staff not replacing the foresking after catheterisation
without Rx paraphimosis can lead to
ulceration + necrotic changes
management of paraphimosis
analgesia (nerve block), manual decompression, dorsal slit, formal circumcision
phimosis is a risk factor for
penile ca
causes of phimosis
lichen sclerosis, balanitis xerotica obliterans
foreskin becomes fixed in the retracted position, cannot be reduced, constricting venous return from the glans, leading to swelling describes
paraphimosis
analgesia (nerve block), manual decompression, dorsal slit, formal circumcision is the managment for
paraphimosis
BXO balanitis xerotica obliterans increases your risk of
SCC (penile ca), infection
balanitis is
inflammationof the glans + prepuce
BXO is a common cause of
phimosis
bladder ca risk factors
smoKing (3x risk), analine dye
bladder ca presentaiton
frank haematuria, painless, dysuria, urgency, bladder pain, loin pain
bladder ca investigations
urine dip (haematuria > 1+), MSU cytology (infection), flexi cystoscopy, XR/US (stones, masses, hydronephrosis), IVU/non contrast CT, flourescence cystoscopy, rigid cystoscopy
most bladder cancers are what type
TCC
pronounced irritative symptoms of bladder ca may suggest
m invasive DZ, or carcinoma in situ
loin pain in bladder ca may be a sign of
ureteric obstruction
flourescent cystoscopy
catheter used to insert dye prior to cystoscopy, tumour cells flouresce red under blue light
haematuria defined as what on microscopy
> 3 RBC/high power field
grade of bladder ca indicates
how well differentiated it is
T staging
T1 = invaded the subepithelial CT T2 = invades m T3 = invades the perivesicular tissue T4 = invades other structures
management of low grade bladder ca
TURBT + intravesicular mitomycin C (chemotherapy, single vs multiple doses)
explaining TURBT
GA, short hospital admission, camera through urethra, resect all visible tumour, to m, may take biopsies, cystoscopy follow up (3/12, 9/12, yearly for 5 years)
complications of TURBT
infection, haematuria, bladder perforaton, urethral stricture
high grade bladder tumour management
initial resection may be incomplete + require early 2nd TURBT, repeat intravesicular BCG
how does the intravesicular BCG injection work
theory = BCG attaches onto the urothelium + mediates an immune response which reduces recurrence + pregression
m invasive bladder ca management
- TURBT (establish diagnosis), 2. CTCAP, bone scan 3. choice: cystectomy +/- orthotopic bladder reconstruction, EBRT, selective bladder preservation dependent on response to chemo
neo-adjuvent chemo for bladder ca
gemcitabine + cisplatin
smoKing (3x risk), analine dye are risk factors for
bladder ca
frank haematuria, painless, dysuria, urgency, bladder pain, loin pain is the presentation of
bladder ca
m invasive DZ, or carcinoma in situ bladder ca may present with
pronounced irritative symptoms: dysuria, pain
ureteric obstruciton 2’ to bladder ca may present as
loin pain
catheter used to insert dye prior to cystoscopy, tumour cells flouresce red under blue light
flourescent cystoscopy
how well differentiated the bladder ca is is indicated by
grade
TURBT + intravesicular mitomycin C (chemotherapy, single vs multiple doses) is the management of
low grade bladder ca
infection, haematuria, bladder perforaton, urethral stricture are complications of
TURBT
initial resection may be incomplete + require early 2nd TURBT, repeat intravesicular BCG is the management of
high grade bladder ca
- TURBT (establish diagnosis), 2. CTCAP, bone scan 3. choice: cystectomy +/- orthotopic bladder reconstruction, EBRT, selective bladder preservation dependent on response to chemo is the management of
m invasive bladder ca
gemcitabine + cisplatin are used as
neo-adjuvent chemo for bladder ca
most common UTI organisms
E. coli, Klebsiella, Proteus
causes of UTI
breach of bladder lining, foreign body, calculi, DM, immunocompromised, urinary track obstruction, pregnancy, post-menopausal
uncomplicated UTI definition
involving a PT with a structurally + functionally N urinary tract
complicated UTI
occuring in the presence of an underlying anatomical/functional abnormality
management of uncomplicated UTI
ABx (trimethoprim, nitrofurentoin, amoxicillin)
UTI symptoms (lower tract)
f, dysuria, suprapubic pain, haematuria
UTI symptoms (upper tract)
fever, loin pain, V
factors that suggest complicated UTI
male, hospital acquired, pregnancy, indwelling urethral catheter, recent UTI, functional/anatomical abnormality of the urinary tract, DM, immunosuppression
indications for further investigation in uncomplicated UTI in women
signs of upper tract infection, failure to respond to ABx, recurrent infections, factors suggestive of complicated UTI, pregnancy
pylonephritis
loin pain, fever
pylonephritis DD
appendicitis, cholecystitis, pneumonia, generalised septicaemia
pylonephritis management
quinolone for 7/7
recurrent UTI
> 2 infection in 6/12, or 3 w/i 12/12
management of recurrent UTI
Rx initial infection, further investigations: bacterial persistence, calculi, poor bladder emptying, neoplasm
recurrent UTI investigations
plain KUB XR, US, post-void residual, flexi cystoscopy
recurrent UTI management
lifestyle: increase fluid intake, double voiding, omitting bath products, topical oestrogen cream in post menopausal women, voiding after sex
medical: low dose prophylactic ABx
UTI in pregnancy
should be Rx’d with ABx even if asymptomatic
UTI in men
less common than women, should rule out BOO
UTI in men investigations
DRE, flow rate, post void residual
infectionin the presence of an obstructed upper tract
uological emergency, associated with calculus obstructionof the ureter, ABCDE approach, nephrostomy
E. coli, Klebsiella, Proteus are the most common causative irganisms for
UTI
should be Rx’d with ABx even if asymptomatic
UTI in pregnancy
which ABx should be avoided in the 1st trimester
trimethoprim (teratogen)
which ABx should be avoided close to term
nitrofurantoin (neonatal haemolysis)
duration of ABx for pregnanct women
7/7, further culture on completion
catheterisation complications
bleeding, infection, risk of bladder damage
causes of urinary retention
obstructive: BPH, prostate ca, calculi
iatrogrnic: anticholinergics, opiates, a-agonists
neurological: cauda equina, spinal stenosis
underlying mechanism of urge incontinence
increasing detrusor P, detrusor overactivity, innapropriate contractions
underlying mechanism of stress incontinence
weak sphincter, weak pelvic floor m
underlying mechanism of necturnal enuresis
overactive detrusor m
underlying mechanism of post micturition dribble
pooling of urine in urether
underlying mechanism of overflow incontinence
obstrucion + full bladder
underlying mechanism of functional incontinence
impaired mobility/mental functioning leading to inappropriate urination
incontinence Hx
mobility, nature, duration, PMH, cultural/social/lifestyle (fluid intake) factors, PSH, cognition, DH, sexual function, bowels, expectations, Sx fitness
incontinence O/E
general (wellbeibng + fitness for Rx), mobility, abdo, pelvic, PR
incontinence Ix
bladder diary, urinalysis, flow rates, post-mic scan, urodynamics, cystoscopy
main method of diagnosing detrusor overactivity
urodynamics
urodynamics involves
catheter, priobe in rectum, artificially fill bladder + monitor pressures, ask PT to cough etc
overactive bladder is a term used to describe
overactive detrusor m with or without incontience
causes of urge incontinence
cystitis, bladder stone, prostate enlargement, idiopathic, neuropathic detrusor overactivity (spinal injury, MS, PD, spina bifida, stroke)
Mx of urge incontinence
Rx underlying cause, lifestyle changes, anticholinergics, BOTOX, sacral n stimulation, Sx
causes of stress incontinence
age, childbirth, hysterectomy, obesity, trauma, prostate Sx
Mx of stress incontinence (women)
pelvic floor exercises, weight loss, stop smoking, avoid constipation, Sx
stress incontinence investigations in men
video-urodynamics, endoscopy
Mx of stress incontinence in men
sphincter augmentation, artificial sphincter
mixed incintinence investigaitons
urodynamics
causes of bladder obstruction
enlarged prostate, previous Sx, bladder stones, urethral stricture, constipation