Reliability and validity of skin elasticity meter to measure skin mechanical properties in patients with lower extremity cancer-related edema.
Yudai Fujimoto, Yoshimi Yuri, Miki Fujii and 7 others
PMID 40322581WHAT IT FOUND
The Cutometer skin elasticity meter is a reliable tool for assessing lower extremity edema in cancer patients.
The distensibility parameter (Offset+R0) showed the highest consistency and correlated with limb circumference, making it the most robust metric for tracking skin changes.
Key findings
01Intra-rater reliability for all measured skin elasticity parameters was moderate to excellent, with ICC values ranging from 0.787 to 0.997.
02The distensibility parameter (Offset+R0) was the most reliable measure and the only one significantly correlated with the difference in limb circumference between the edematous and non-edematous sides.
03Significant differences were found between edema and non-edema sides for distensibility, gross elasticity, viscoelasticity, and biological elasticity, but not for net elasticity (R5).
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
Read the rest of this summary
You get three full summaries a month, free, and we do not ask for a card. Search, the TL;DRs and your library stay unlimited either way.
What it does not show
The study was conducted at a single hospital, which may limit the generalizability of the patient population. Only intra-rater reliability was tested; inter-rater reliability (consistency between different therapists) was not assessed in this patient group. There is no established gold standard for measuring skin mechanical properties in this condition, so validity was assessed by comparing affected and unaffected sides rather than against a definitive benchmark.
Declared interests
The study was partly supported by an Osaka International Cancer Institute Grant. The authors reported no conflicts of interest.
The easy way to misread this
Do not assume the device is equally reliable across all its parameters or that different therapists will get the same results. The study only tested one rater measuring the same patient multiple times, and only the distensibility parameter (Offset+R0) correlated with limb circumference.