Drains

Question 1

Active drains involve ? ? provided by ? containers, and are used to draw out collections.

Passive drains function by differential ? between the ? and the ?, e.g. using gravity. These pressures can sometimes become ? however, with the risk of introducing ? bacteria.

Answer 1

suction forces
vacuumed
pressures
body
exterior
reversed
external

Question 2

Open drains are always ?, leading into a dressing or ? to provide a conduit around which secretions can ?. They may be tubes or ? sheets.

Closed drains are tube systems that drain ? into a container, with or without ?(passive/ active).

Answer 2

passive
stoma
flow
corrugated
directly
suction

Question 3

Indications for placement;

To remove existing abnormal collections of fluid, ?, ? or ?.
To prevent ? ? of bodily fluids (e.g. ?), abnormal fluids or ?.
To ? of potentially serious complications.

Answer 3

blood
pus
air
build up
bile
air
warn

Question 4

Removal of drains;

?-course depends on the purpose of the drain, e.g. by ? if covering
peri-operative bleeding, by ? if covering intestinal anastomoses.

Answer 4

time
48h
7d

Question 5

Complx

Damage to structures during ?, avoided by ? ? insertion.
Damage to structures due to ? effects of the drain

Answer 5

insertion
image guided
pressure

Question 6

Complx

?, avoided by timely removal of the drain.
? of the drain, which can give a ‘false sense of security’, so proper ? of the patient’s clinical state is still necessary.

Answer 6

infection
failure
obs