Guidelines for the treatment of venous ulcers Flashcards

1
Q

How can gross arterial disease be ruled out

A

by establishing a pedal pulse or that the ankle brachial index (ABI) is greater than 0.8

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2
Q

what is suggested if ABI is less than 1.0

A

there is a degree of vascular disease

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3
Q

what is suggested if ABI is less than 0.7

A

compression therapy is contraindicated

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4
Q

what is a useful way to provide data to confirm venous etiology for a leg ulcer

A

a color duplex ultrasound scanning with proximal compression or valsalva manuever

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5
Q

what is indicated for treatment of venous ulcers

A

use of a class 3 high compression system

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6
Q

what is another option for those who cant use compression dressings

A

intermittent pneumatic presure

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7
Q

what are ways we can remove necrotic tissue

A

by sharp, enzymatic, mechanical, biological or autolytic debridement

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8
Q

when examining the patient as a whole what should you include in their history to help you treat them properly

A

history of systemic diseases, medications,nutrition, tissue perfusion and oxygenation

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9
Q

what is required to remove necrotic tissue

A

initial debridement

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10
Q

what should be included in our documentation

A

wound history
recurrence of wound
size, location, bse, eudates, surrounding skin condition, staging,pain

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11
Q

why should we use a dressing that maintains a moist wound-healing environment

A

because this favors cell migration and matrix formation therefore accelerating healing

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12
Q

how are dry dressings injurious

A

they cause desiccation of the wound

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13
Q

characteristics of a dressing we should choose

A

select a dressing that:

  • facilitates continued moisture
  • manages exudate and protects peri-ulcesrs
  • stays in place
  • minimizes shear/friction
  • does not cause additional tissue damage
  • cost effective
  • appropriate to setting and provider
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14
Q

what is the most cost effective dressing

A

saline gauze dressings

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15
Q

when should you use adjuvant agents

A

when there is a lack of healing progress with traditional therapies

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16
Q

what helps promote development of granulation tissue, prevent shearing and remove exudate

A

negative pressure wound therapy

17
Q

what modalities have NOT improved venous ulcer healing

A

laser therapy
phototherapy
ultrasound

18
Q

how long should some with venous ulcers use compression stockings

A

constantly and forever

this is because most treatments do not eliminate venous hypertension so compression is needed long term

19
Q

what type of exercises are helpful in long term maintainence and venous ulcer prevention

A

exercises that increase muscle pump function

20
Q

what criteria for a patient with diabetes suggest adequate arterial flow

A

ABI > 1.2
Toe brachial index > 0.6
trans-cutaneous oxygen partial pressure > 30

21
Q

what has been found to be a screening tool used for LEAD

A

pulse oximetry of the toes in patients with diabetes

22
Q

what do pulse oximeters measure

A

SaO2