Longitudinal Study of Chronic Wounds Using Novel Wound Measurement Technologies
調査の概要
状態
条件
詳細な説明
Diabetic foot ulcers are a major burden on the healthcare system, and it is highly desirable to develop a practical, reliable, non-invasive means of diagnosing, assessing and measuring wound healing, so as to provide wound care specialists with key data with which to make effective decisions for clinical management.
Optical coherence tomography (OCT) is a novel technique of imaging of cutaneous tissue. Using low-power infrared light, it is a non-invasive in-vivo imaging technique which provides resolution of <10microns to a depth of 1 - 1.25 mm in skin, (adequate to resolve capillaries) utilizing the optical scattering characteristics of tissue to provide imaging contrast.
This open, non-randomised, observational study will assess the feasibility of using OCT to diagnose chronic diabetic foot ulcers. One cohort of 15 patients will be scanned over a 16 week period and results studied to determine whether there is an association between rate of wound healing and OCT measurements.
研究の種類
入学 (実際)
連絡先と場所
研究場所
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Manchester、イギリス、M13 9WL
- Manchester Royal Infirmary
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参加基準
適格基準
就学可能な年齢
- 子
- 大人
- 高齢者
健康ボランティアの受け入れ
受講資格のある性別
サンプリング方法
調査対象母集団
説明
Inclusion Criteria:
- Defining ABPI ≥0.5 - <1.2
- Patients with DFU for over 4 weeks but less than 1 year duration. DFU resulting from neuropathy will be included.
- Neuropathy scores defined by 10g Semmes-Weinstein monofilament tests at 10 sites on plantar and dorsal surfaces
Exclusion Criteria:
- Patients with uncontrolled diabetes, the Charcot Foot, cancer (except non-melanoma skin cancer in the limb), decompensated cardiac failure, clinically significant renal failure, history of stroke or significant peripheral arterial disease, or those who are pregnant, or on a waiting list for interventional therapy.
研究計画
研究はどのように設計されていますか？
デザインの詳細
この研究は何を測定していますか？
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
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Correlation of OCT Measurement of blood vessel density with rate of wound healing
時間枠：16 weeks
|
Pearson's coefficient of correlation between the OCT measurement of blood vessel density (fraction of the imaged skin volume in the upper 0.5 mm of tissue that is comprised of vessels with detectable blood flow) and the rate of wound healing (defined as the magnitude of reduction in measured area of the wound per 4 week period), as an average across all trial subjects and all measurement points during the trial. Pearson's coefficient > 50% signifies a positive result. |
16 weeks
|
二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Correlation of OCT Measurement of blood vessel density at baseline, with rate of wound healing
時間枠：16 weeks
|
Pearson's coefficient of correlation between the OCT measurement of blood vessel density at baseline, (fraction of the imaged skin volume in the upper 0.5 mm of tissue that is comprised of vessels with detectable blood flow), and the rate of wound healing (defined as the magnitude of reduction in measured area of the wound over the 16 week trial period), as an average across all trial subjects. Pearson's coefficient > 50% signifies a positive result. |
16 weeks
|
協力者と研究者
捜査官
- 主任研究者：Frank L Bowling, PhD、Central Manchester University Hospital NHS Foundation Trust
研究記録日
主要日程の研究
研究開始 (実際)
一次修了 (実際)
研究の完了 (実際)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (見積もり)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
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