(U)- Catheters Flashcards
When are catheters used?
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
What is used to measure volume of urine in the bladder?
Bladder scanner
What volume post-voiding may indicate the need for a catheter?
500ml or more
What are the different types of urethral catheters?
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
When is a Coudé tip catheter used?
In men with obstruction, Foley catheters can get stuck, use if Foley is too difficult
What happens in a TWOC?
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
What happens if TWOC fails?
Another catheter is inserted
Where do you obtain urine samples from if there is a catheter in place and a UTI is suspected?
Sample port using aseptic technique
Catheter bag may be contaminated
When are antibiotics given for catheter-associated UTIs?
Only for patients with symptoms, patients without symptoms do not generally need antibiotics
How long is antibiotic treatment given for in catheter-associated UTIs?
7 days
Oral antibiotics
If severe, hospital admission and IV antibiotics