Lower Urinary Tract Symptoms (includes ketamine cystitis) Dr Peggy CHU Tuen Mun Hospital.
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Transcript of Lower Urinary Tract Symptoms (includes ketamine cystitis) Dr Peggy CHU Tuen Mun Hospital.
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Lower Urinary Tract Symptoms (includes ketamine cystitis)
Dr Peggy CHUTuen Mun Hospital
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Lower Urinary Tract Symptoms (LUTS)
• Storage symptoms– Urgency, frequency, urge incontinence, nocturia
• Voiding symptoms– Weak or intermittent stream, straining,
hesistancy, terminal dribbling or incomplete emptying
• Post micturition symptoms– Post micturition dribbling
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Anatomical causes of LUTS
• Bladder– Overactive bladder, e.g post CVA– UTI
• Prostate– Benign prostatic enlargement
• Urethral– Urethral stricture, e.g years post gonorrhoea
• Urinary sphincter
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LUTS
• ↑ as ages ↑• Can occur up to 30% man aged > 65 yrs
• ↓ QOL• May point to pathology of urinary tract
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LUTS: Initial Assessment
• Med Hx to identify possible causes, co-morbidities, drugs
• P/E: abd, genitalia, Digital rectal exam (DRE)• IPSS (to allow assessment of subsequent
symptom change)• Freq vol chart• Urine x dipstick: blood, glucose, protein,
leucocytes & nitrites• +/- PSA
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LUTS: IPSS + QOL
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LUTS: IPSS Chinese
www.hkua.org
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LUTS: QOL Chinese
www.hkua.org
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LUTS: Initial Assessment
+/- PSA testing in cases of• LUTS are suggestive of benign prostatic
enlargement• Prostate feels abn on DRE
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Freq-vol chart
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Freq-vol chart
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• frequency
Compulsive water drinking
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C/O : frequency urinary incontinence
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LUTS: when is referral necessary
If LUTS Cx by• Recurrent /persistent symptomatic UTI• Urinary retention• Renal impairment suspected to be caused by
lower urinary tract dysfunction• Suspected urological cancer• Bordersome LUTS not responding to
conservative management or drug
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LUTS: Role of conservative Px
LUTS with storage symptoms• Fluid intake• Lifestyle changes ( avoid coffee, tea etc)• Supervised bladder training• Temporary containment products ( pads)
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LUTS: post micturition dribbling
• Loss of a few drops of urine after the main urine stream has finished
• Happens when rearranging trousers• Can result in wet and stained clothing
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LUTS: post micturition dribbling
Aetiologyurethra not emptied by muscles surrounding it“sump” of urine pools in urethra↑ when ages ↑
Treatmentpush the last few drops of urine from the urethra with the fingers before the final shake
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LUTS: post micturition dribbling
Technique• pass urine in usual manner & wait for a few sec
for bladder to empty• Place finger tips of hand 3 finger widths behind
scrotum and press gently towards base of penis• Can be repeated
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LUTS: Drug treatment
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LUTS: Drug treatment
• Alpha blocker– Same efficacy, difference in S/E (due to difference
in T ½ and uroselectivity)– Precaution in patients also taking beta blocker– Postural hypotension
• Anticholinergic– Avoid in closed angle glaucoma– Dry mouth, constipation
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Ketamine Cystitis
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Ketamine (C13H16CINO)(2-(o-Chlorophenyl)-2-(methylamino) cyclohexan-1-one
• Anaesthetic agent, “dissociative anesthesia”• Rapid onset, short duration of action • N-dealkylated in liver, metabolized and excreted in urine
(>90%)
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Hong Kong Statistics
Central Registry of Drug Abuse 58th Report
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Patients• TMH• Sep 2006 - Jun 2010• 113 patients• M: F = 90: 43• mean age 25.6 yrs (14 – 42)• years of ketamine abuse: 3/12 to 11 years• referred by A&E, GP, psychiatrist• C/O: LUTS+ve
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Lower Urinary Tract Symptomatology
• frequency, urgency, dysuria, urge incontinence, painful haematuria
• urine culture –ve• no response to multiple courses of oral antibiotics
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Normal bladder “ketamine bladder”
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normal bladder bladder of ketamine abuser
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Upper Urinary Tract
• blood creatinine• +/- hydronephrosis
• papillary necrosis• ureteric stricture
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Blood Creatinine
• 10/113– Creatinine 126 - 1069– 2 required PCN
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Upper Tract Radiology
• all have renal USG– 30% bilateral hydronephrosis– 10% unilateral hydronephrosis
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Pathophysiology
? chronic submucosal inflammatory response resulting from chemical cystitis
? microvascular changes? autoimmune (raised ESR & C3/4)? bacteriuria
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Treatment
AntibioticsAntimuscarinic agent (oxybutynin, detrusitol) ? Cystoplasty ABSTINENCE
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New Problems with ketamine abuse
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Guidelines (before Jun 2008)
25 g within discretion of sentencer
25 – 400 g 2 - 4 yrs’ imprisonment
400 - 800 g 4 - 8 yrs
800 g 8 yrs
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Guideline (after Jun 2008)
1 g within discretion of sentencer
1 - 10 g 2 - 4 yrs’ imprisonment
10 - 50 g 4 - 6 yrs
50 - 300 g 6 - 9 yrs
300 - 600 g 9 - 12 yrs
600 - 1000 g 12 - 14 yrs
1000 g 14 yrs
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Thank You