tiddles: an overview of bladder symptoms dr jason ward
TRANSCRIPT
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Tiddles: an overview of bladder symptoms
Dr Jason Ward
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Outline
• Catheter problems
• Irritable bladder/bladder spasm
• Haematuria
• Fistulae
• Pain
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Norman
• 75 year old man with glioblastoma
• Urinary catheter for 10/7 for incontinence
• Bed bound
• Recurrent bypassing despite catheter change
• 16Ch long term catheter
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Indwelling urinary catheters• Need long term catheter if > 14/7
– silicone or hydrogel coated latex
• Catheter size– depends on urine not patient size– 1 Ch (FG)= 0.33m, 12Ch=4mm, 16Ch=6mm– 16-18Ch if debris – 10mls water in balloon
• Drainage bag – below level of bladder and keep system closed
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By-passing catheter
• Causes– twisted drainage tube
– constipation
– blockage with debris
– bladder spasm
• Treatment– exclude UTI
– reduce water in balloon
– smaller catheter
– anti-cholinergic drugs
– bladder washouts
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Encrustation/infection 1
• 90% long term catheters bacteriuria in 4/52
• 50% recurrent encrustation– urease producing bacteria i.e Proteus spp– materials in lumen & biofilm on catheter
surface– struvite (magnesium ammonium phosphate) +
calcium phosphate
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Encrustation 2
• Avoid long term antibiotics
• No firm evidence for cranberry juice/vitamin C
• Planned catheter changes every 6/52
• Bladder washouts – used in 36-44% long term catheter patients – no studies unequivocally confirm they decrease
UTI, but may help encrustation
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Bladder washouts• Avoid chlorhexidine
• 0.9% Normal saline– used to flush debris, small clots
• Solution G (3.23% citric acid + Mg)– if pH 7.4-7.7 reduces encrustation
• Solution R (6% citric acid + Mg)– if pH > 8.0 dissolves encrustation
• Mandelic acid 1%– reduces Pseudomonas spps
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Clot retention
• 3 way urethral catheter 22/24F
• Saline or water continuous irrigation
• If unable to pass catheter – NOT suprapubic– Need endoscopic evaluation
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Miscellaneous
• Chronic retention– no need to decompress bladder slowly
• Catheter clamping– avoid, no evidence that it is beneficial
• Catheter valves– useful for ‘rehab’ patients
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Irritable bladder/spasm
• Frequency, urgency, urge incontinence
• Spasm – deep, suprapubic/tip penis, seconds to minutes
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Oxybutynin
• Tertiary amine – high affinity for ACh(M) - particularly M3 – direct anti-spasmodic effect on bladder
• Superior to placebo for detrussor instability
• Side effects - dose related, anti-ACh– 57-93% on 5mg tds, 23% – modified release less SE but as effective
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Newer antimuscarinic drugs
• Tolterodine (Detrusitol)– selective M3 in bladder > salivary glands – 2mg bd– as effective as oxybutynin but better tolerated– similar SEs but fewer
• Trospium Chloride (Regurin)– non-selective ACh(M), does not cross BBB– No RCTs looking at symptoms
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• Propiverine (Detrunorm) – Anti-ACh(M) + Ca channel actions– Decrease detrussor muscle contractions– 15mg bd-tds– Few trials in detrsussor instability – ?less frequent SEs
• Flavoxate– no anti-ACh action – reduces bladder contractions in vitro and vivo– no RCTs to show benefit over placebo
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Other anti-spasmodics
• Imipramine, amitriptyline
• Intra-vesicle capsacin
• Benzodiazepines
• NSAIDs
• Hyoscine
• Sympathomimetics
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Stan
• 83 year old man
• Carcinoma bladder treated with RXT
• Normal coagulation
• Persistent haematuria – symptomatic anaemia
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Haematuria
• Bladder installations – saline– alum– silver nitrate – phenol, formalin (need anaesthetic) – tranexamic acid
• Vascular embolization– hypogastric artery
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Bladder radiotherapy
• 17-21Gy 2/3# vs 30-36Gy 5-10#
• Improvement in symptoms – haematuria 52-85%– pain 68%– urgency 55%
• Side effects– Diarrhoea 42-68% with 21Gy
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Tranexamic acid
• ? Risk of clotting – 3/6 patients pre-prostatectomy developed clots– 0/100 patients developed clots when used 24hrs
post prostatectomy – 0/5 patients with cancer related haematuria– can cause existing clots to become tenaceous – CI upper tract bleeding(ureteral obstruction)
• Ethamsylate ?safer
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Fistulae
• Vesicoenteric
• Vesicovaginal• Urethrocutaneous• Rectourthral
• Pneumaturia, faecal matter in urine, odour, UTIs
• Urine PV• Mass, urine drainage• Urine PR, pneumaturia
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Management
• Surgical repair
• Urinary diversion
• Ileostomy
• Urinary catheters
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Bladder pain
• Reversible factors
• WHO Ladder
• Adjuvants– ?NSAIDs– anti-cholinergics
• Intra-vesicle lignocaine
• Spinal opioids