[libribook.com] Traumatic Scar Tissue Management 1st Edition
Scar assessment toolsAs with other assessment procedures, scar assessments can be objective orsubjective. Objective assessments provide a quantitative measurement ofthe scar, whereas subjective assessments are observer dependent.Quantitative assessment of scars requires devices to measure their physicalattributes. Subjective methods to assess scar provide a qualitativemeasurement of scar by a patient or clinician.Semiquantitative methods to assess scars have been developed by usingscales to make subjective methods more objective.
Scar scalesScar scales can be used to quantify initial scar appearance and trackchanges over time. There are currently five commonly used scar scalesdesigned to assess subjective parameters in an objective way: theVancouver Scar Scale (VSS), Manchester Scar Scale (MSS), Patient andObserver Scar Assessment Scale (POSAS), Visual Analog Scale (VAS) andStony Brook Scar Evaluation Scale (SBSES). These observer-dependentscales are best used to determine change within an individual rather thanbetween individuals.None of these scar scales measure:• Amount of total body surface area that is scarred• Functional disability caused by the effects of pain and pruritus• Subsequent impact on quality of life and activities of daily living.Therefore it is recommended that no one assessment tool be usedexclusively as several tools will be necessary in order to capture all thenecessary information needed to monitor changes and evaluate treatmenteffectiveness.Three of the most accessible and appropriate scales for use in MT practiceinclude the POSAS, the VSS and the VAS. PDF copies of these scales andinstructions on how to use them can be readily found on the internet.POSASPOSAS is aimed at measuring the quality of scar tissue and includes acomprehensive list of items, based on clinically relevant scarcharacteristics. The observer scores: vascularization, pigmentation,thickness, surface roughness, pliability and surface area. The patientscores: pain, pruritus, color, thickness, relief, and pliability.All included items are scored on a 10-point scale:• 1 is given when the scar characteristic is comparable to ‘normal skin’
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Scar scales
Scar scales can be used to quantify initial scar appearance and track
changes over time. There are currently five commonly used scar scales
designed to assess subjective parameters in an objective way: the
Vancouver Scar Scale (VSS), Manchester Scar Scale (MSS), Patient and
Observer Scar Assessment Scale (POSAS), Visual Analog Scale (VAS) and
Stony Brook Scar Evaluation Scale (SBSES). These observer-dependent
scales are best used to determine change within an individual rather than
between individuals.
None of these scar scales measure:
• Amount of total body surface area that is scarred
• Functional disability caused by the effects of pain and pruritus
• Subsequent impact on quality of life and activities of daily living.
Therefore it is recommended that no one assessment tool be used
exclusively as several tools will be necessary in order to capture all the
necessary information needed to monitor changes and evaluate treatment
effectiveness.
Three of the most accessible and appropriate scales for use in MT practice
include the POSAS, the VSS and the VAS. PDF copies of these scales and
instructions on how to use them can be readily found on the internet.
POSAS
POSAS is aimed at measuring the quality of scar tissue and includes a
comprehensive list of items, based on clinically relevant scar
characteristics. The observer scores: vascularization, pigmentation,
thickness, surface roughness, pliability and surface area. The patient
scores: pain, pruritus, color, thickness, relief, and pliability.
All included items are scored on a 10-point scale:
• 1 is given when the scar characteristic is comparable to ‘normal skin’