(U)- Catheters Flashcards

1
Q

When are catheters used?

A

Urinary retention due to a lower urinary tract obstruction
Neurogenic bladder- intermittent self-catheterisation in multiple sclerosis
Surgery
Output monitoring -acutely unwell patients, sepsis or intensive care
Bladder irrigation - wash out blood clots in bladder
Delivery of medications - chemotherapy, bladder cancer

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2
Q

What is used to measure volume of urine in the bladder?

A

Bladder scanner

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3
Q

What volume post-voiding may indicate the need for a catheter?

A

500ml or more

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4
Q

What are the different types of urethral catheters?

A

Intermittent catheters – simple catheters to drain urine, then immediately removed

Foley catheter (two-way catheter) – “standard” catheter with inflatable balloon to hold it in place

Coudé tip catheter– curved tip to navigate past obstruction during insertion

Three-way catheter – Three tubes used for inflating the balloon, injecting irrigation and drainage

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5
Q

When is a Coudé tip catheter used?

A

In men with obstruction, Foley catheters can get stuck, use if Foley is too difficult

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6
Q

What happens in a TWOC?

A

Removal of urethral catheter to see if patient can manage

Urine output is monitored, bladder scanner is used to make sure minimal urine is left in the bladder

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7
Q

What happens if TWOC fails?

A

Another catheter is inserted

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8
Q

Where do you obtain urine samples from if there is a catheter in place and a UTI is suspected?

A

Sample port using aseptic technique

Catheter bag may be contaminated

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9
Q

When are antibiotics given for catheter-associated UTIs?

A

Only for patients with symptoms, patients without symptoms do not generally need antibiotics

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10
Q

How long is antibiotic treatment given for in catheter-associated UTIs?

A

7 days

Oral antibiotics

If severe, hospital admission and IV antibiotics

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