patients who have undergone finger replantation or digital artery reconstruction
Conditions
Interventions
Sponsors
Kanto rosai hospital
Luxonus Inc.
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Patients who have undergone reconstructive surgery for limb or hand trauma, or healthy volunteers who have completed such treatment and are deemed by the principal investigator or subinvestigator to be in a suitable health condition for study participation. 2. Individuals aged 18 years or older at the time of obtaining consent. 3. Individuals who have provided written informed consent voluntarily.
Exclusion criteria
Exclusion criteria: 1.Individuals who are pregnant or may possibly be pregnant. 2.Individuals who are taking photosensitizing agents used for photodynamic therapy (e.g., Photofrin). 3.Individuals deemed by the principal investigator or subinvestigator to be unsuitable for participation in this study, such as those whose health condition may be adversely affected by the imaging position or posture required for the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1.Three-dimensional morphological assessment of digital vessels after replantation or arterial reconstruction using photoacoustic imaging (PAI) 2.Evaluation of vascular patency and blood flow using PAI, including estimation of oxygenation via S-factor analysis 3.Visibility and reproducibility of vascular imaging in digits followed for more than six months postoperatively 4.Feasibility and image quality of PAI acquisition under different hand positioning and stabilization methods (e.g., water immersion, water bag, or gel) | — |
Countries
Japan
Contacts
Public ContactSatoshi Kamekura
Kanto rosai hospital the Dept. of Orthopedics
Outcome results
None listed