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Cystitis Lawrence Pike. Incidence 1-3% of all GP consultations 1-3% of all GP consultations 5% of women each year with symptoms. Up to 50% of women will.

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Presentation on theme: "Cystitis Lawrence Pike. Incidence 1-3% of all GP consultations 1-3% of all GP consultations 5% of women each year with symptoms. Up to 50% of women will."— Presentation transcript:

1 Cystitis Lawrence Pike

2 Incidence 1-3% of all GP consultations 1-3% of all GP consultations 5% of women each year with symptoms. Up to 50% of women will suffer from a symptomatic UTI during their lifetime. 5% of women each year with symptoms. Up to 50% of women will suffer from a symptomatic UTI during their lifetime. UTI in men is much rarer UTI in men is much rarer A proportion of patients may be symptomatic in the absence of infection - called 'urethral syndrome' A proportion of patients may be symptomatic in the absence of infection - called 'urethral syndrome'

3 Symptoms Dysuria Dysuria Frequency Frequency Nocturia Nocturia Urgency of micturition. Urgency of micturition. Other symptoms include suprapubic pain, cloudy or foul smelling urine and haematuria. Other symptoms include suprapubic pain, cloudy or foul smelling urine and haematuria.

4 Causes The most common cause is bacterial infection The most common cause is bacterial infection –Eschericia coli is the pathogen in 70% of uncomplicated case of lower urinary tract infections. –Other organisms include Proteus mirabilis, Klebsiella pneumoniae, Staphylococcus saprophyticus, Staphylococcus aureus and Pseudomonas species. Urethral Syndrome -not associated with any infection Urethral Syndrome -not associated with any infection Rarely kidney or bladder stones, prostatism, diabetes Rarely kidney or bladder stones, prostatism, diabetes

5 Prevention Drinking plenty of fluids helps prevent cystitis in the first place. Drinking plenty of fluids helps prevent cystitis in the first place. If cystitis follows sexual intercourse, some advise passing urine soon after to try and prevent it. If cystitis follows sexual intercourse, some advise passing urine soon after to try and prevent it. There is no evidence to suggest a link between lower urinary tract infection and use of bath preparations There is no evidence to suggest a link between lower urinary tract infection and use of bath preparations

6 Beware! Pregnant Pregnant Under age 12 Under age 12 Males Males Systemically ill (fever, sickness, backache) Systemically ill (fever, sickness, backache) Catheterised patients Catheterised patients Kidney or bladder stones Kidney or bladder stones

7 Investigation Urine dipstick Urine dipstick – can be done in the surgery and will be positive for nitrates and leucocytes (leukocyte esterase test). This helps to differentiate those with UTI from the 50% with urethral syndrome. Urine microscopy and culture reveals significant bacteruria (usually >105 /ml). Urine microscopy and culture reveals significant bacteruria (usually >105 /ml). Asymptomatic bacteruria Asymptomatic bacteruria – is present in 12-20% of women aged years and does not impair renal function or shorten life so no treatment –in 4-7% of pregnant women and associated with premature delivery and low birth weight and always requires treatment.

8 Differential Diagnosis Urethral syndrome Urethral syndrome Bladder lesion e.g. calculi, tumour. Bladder lesion e.g. calculi, tumour. Candidal infection Candidal infection Chlamydia or other sexually transmitted disease. Chlamydia or other sexually transmitted disease. Urethritis Urethritis Drug induced cystitis (e.g. with cyclophosphamide, allopurinol, danazol, tiaprofenic acid and possibly other NSAIDs) Drug induced cystitis (e.g. with cyclophosphamide, allopurinol, danazol, tiaprofenic acid and possibly other NSAIDs)

9 Complications and Prognosis Ascending infection can occur, leading to development of pyelonephritis, renal failure and sepsis. Ascending infection can occur, leading to development of pyelonephritis, renal failure and sepsis. In children, the combination of vesicoureteric reflux and urinary tract infection can lead to permanent renal scarring, which may ultimately lead to the development of hypertension or renal failure % of children already have radiological evidence of scarring on their first investigation for UTI. In children, the combination of vesicoureteric reflux and urinary tract infection can lead to permanent renal scarring, which may ultimately lead to the development of hypertension or renal failure % of children already have radiological evidence of scarring on their first investigation for UTI. Urinary tract infection during pregnancy is associated with prematurity, low birth weight of the baby and a high incidence of pyelonephritis in women. Urinary tract infection during pregnancy is associated with prematurity, low birth weight of the baby and a high incidence of pyelonephritis in women. Recurrent infection occurs in up to 20% of young women with acute cystitis. Recurrent infection occurs in up to 20% of young women with acute cystitis.

10 Management Issues - General 50% will resolve in 3 days without treatment 50% will resolve in 3 days without treatment No evidence to support drink plenty No evidence to support drink plenty It is reasonable to start treatment without culture if the dipstick is positive for nitrates or leucocytes. It is reasonable to start treatment without culture if the dipstick is positive for nitrates or leucocytes. MSU if dipstick negative but suspicion MSU if dipstick negative but suspicion

11 Management Issues - General Culture is always indicated in Culture is always indicated in –Men –Pregnant women –Children –Those with failure of empirical treatment –Those with complicated infection

12 Self care Drink slightly acid drinks such as cranberry juice, lemon squash or pure orange juice (poor trial evidence for this) Drink slightly acid drinks such as cranberry juice, lemon squash or pure orange juice (poor trial evidence for this) Try a mixture of potassium citrate available from your pharmacist (little evidence but widely recommended) Try a mixture of potassium citrate available from your pharmacist (little evidence but widely recommended)

13 Antibiotics Trimethoprim is an effective first line treatment. Trimethoprim is an effective first line treatment. Cephalosporins are as effective as trimethoprim but more expensive and more likely to disrupt gut flora. Cephalosporins are as effective as trimethoprim but more expensive and more likely to disrupt gut flora. Nitrofurantoin is as effective as trimethoprim but more expensive and frequently causes nausea and vomiting Nitrofurantoin is as effective as trimethoprim but more expensive and frequently causes nausea and vomiting The 4-quinolones (ciprofloxacin, norfloxacin, ofloxacin) are effective in the treatment of cystitis. To preserve their efficacy, they should not usually be used as first line therapy The 4-quinolones (ciprofloxacin, norfloxacin, ofloxacin) are effective in the treatment of cystitis. To preserve their efficacy, they should not usually be used as first line therapy

14 Antibiotics 3 days of antibiotic is as effective as 5 or 7 days 3 days of antibiotic is as effective as 5 or 7 days Single dose antibiotic results in lower cure rates and more recurrences overall than longer courses. Single dose antibiotic results in lower cure rates and more recurrences overall than longer courses. In relapse of infection (i.e. reinfection with the same bacteria), treatment with antibiotic for up to 6 weeks is recommended. In relapse of infection (i.e. reinfection with the same bacteria), treatment with antibiotic for up to 6 weeks is recommended.

15 Antibiotics for UTI in Pregnancy Cephalosporins and penicillins are recommended in pregnancy because of their long term safety record Cephalosporins and penicillins are recommended in pregnancy because of their long term safety record Nitrofurantoin is also likely to be safe during pregnancy Nitrofurantoin is also likely to be safe during pregnancy Quinolones, Trimethoprim and Tetracyclines are not recommended for use during pregnancy Quinolones, Trimethoprim and Tetracyclines are not recommended for use during pregnancy Seven days of treatment is required. Seven days of treatment is required. Urine should be tested regularly throughout pregnancy following initial infection. Urine should be tested regularly throughout pregnancy following initial infection.


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