Evaluation of optoacoustic imaging and photoplethysmography in patients with foot ulcers: a cross-sectional pilot study

niversity of Surrey0 个研究点目标入组 40 人开始时间: 2024年7月19日最近更新: 2024年7月29日

适应症

试验速览

暂无简介。

•1. Age 18 years or greater
•2. Non-healing foot wound for at least 4 weeks despite wound care
•3. Scheduled for/referred to routine vascular assessment, multidisciplinary foot team clinic or endovascular revascularisation
•4. Willing and able to provide informed consent
•5. Vascular ultrasound exam required including Ankle Brachial Pressure Index (ABPI) and Toe Brachial Index (TBI)

•1. Heart failure New York Heart Association (NYHA) =3
•2. Systemic inflammation
•3. Critically ill, American Society of Anesthesiologists (ASA) IV
•4. Extensive foot wounds making OAI scanning impossible
•5. No toes to measure TBI
•6. Leg wounds or skin conditions preventing ABPI, OAI or ultrasound investigations
•7. Participants who are unable to wear the laser safety goggles
•8. Tattoos in the field of view for OAI scanner
•9. Currently under phototherapy
•10. History of photosensitising disease (e.g. porphyria, Lupus erythematosus)
•11. Experiencing photo-toxicity associated with currently taking or having taken photosensitizing agents within the previous 72 h (e.g. sulfonamides, ampicillin, tetracycline, doxycycline)
•12. Pregnancy

发起方

niversity of Surrey