Keratosis Clinical Trial
Official title:
A Longitudinal Quantitative Assessment of the Effectiveness of Metatarsal Pads on Plantar Pressures
Musculoskeletal deformities of the foot and abnormal biomechanics can create areas of high pressure over bony prominences on the plantar aspect of the foot and often lead to the formation of calluses and corns. Calluses and corns are reported to be the most prevalent foot conditions affecting peoples' lifestyles due to pain and disability. Redistribution of plantar pressure away from areas of high pressure offloading using felt pads to treat corns and calluses is a common practice in chiropody. A more comprehensive understanding of how rapidly the felt pads compress and become less effective in offloading pressure is needed to design better treatment plans to manage calluses and corns and improve patients' quality of life. The objectives of this study are: 1) develop a guideline which informs, at what duration (number of weeks) the semi compressed felt (SCF) Plantar Metatarsal Pad (PMP) should be replaced to manage plantar forefoot callus; 2) Test the guideline by replacing the SCF padding at the determined time interval. The study will be conducted at the Michener Chiropody Clinic at the Michener Institute of Education at UHN. In order to address patient selection bias, the investigators will be recruiting the first 25-40 participants presenting with forefoot callus who meet the inclusion criteria and consent to participate in the study. An exploratory, descriptive and analytic repeated measures study design will be used to address our research questions. The descriptive approach will provide insight into the nature of change over time in the dependent variables, pain and pressure, and an analytic approach will enable further insight into the relationship between those variables. The quantitative metrics used are average plantar pressure at the callus site, as well as self-reported pain using a Visual-Analog Scale (VAS). Results from the first phase will inform the development of the guideline for pad replacement, which in turn will be tested in the next phase of the study.
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