Abdominal Pain Clinical Trial
Official title:
Visualizing Anterior Cutaneous Nerve Entrapment Syndrome (ACNES) and Lumbar Cutaneous Nerve Entrapment Syndrome (LUCNES) With Dynamic Infrared Thermography (DIRT)
NCT number | NCT05080452 |
Other study ID # | Coming |
Secondary ID | |
Status | Recruiting |
Phase | |
First received | |
Last updated | |
Start date | January 1, 2022 |
Est. completion date | December 31, 2023 |
Anterior cutaneous nerve entrapment syndrome (ACNES) is caused by nerve entrapment in the abdominal wall. Recently de Weerd and Weum have suggested lumbar cutaneous nerve entrapment syndrome (LUCNES) as a name for a similar condition in the lower back. DIRT can potentially be used to identify the locations of perforators, thereby also indirectly identifying the location of nerve entrapment in ACNES and LUCNES, when a point of maximal pain corresponds to a hot spot. This study evaluates the location of hot spots on DIRT in relation to tender points and perforators visualized with CT angiography and color Doppler. In the ACNES patients, DIRT performed with a low-cost smartphone thermal camera will be compared to DIRT with a professional thermal camera to evaluate the usefulness of low-cost equipment to visualize the point of nerve entrapment.
Status | Recruiting |
Enrollment | 50 |
Est. completion date | December 31, 2023 |
Est. primary completion date | December 31, 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: ACNES and LUCNES patients referred for ambulatory ultrasound-guided treatment Exclusion Criteria: Former reaction to contrast media used for CT angiography |
Country | Name | City | State |
---|---|---|---|
Norway | University Hospital of North Norway | Tromsø |
Lead Sponsor | Collaborator |
---|---|
University Hospital of North Norway |
Norway,
Cina A, Salgarello M, Barone-Adesi L, Rinaldi P, Bonomo L. Planning breast reconstruction with deep inferior epigastric artery perforating vessels: multidetector CT angiography versus color Doppler US. Radiology. 2010 Jun;255(3):979-87. doi: 10.1148/radiol.10091166. Epub 2010 Apr 14. — View Citation
de Weerd L, Elvenes OP, Strandenes E, Weum S. Autologous breast reconstruction with a free lumbar artery perforator flap. Br J Plast Surg. 2003 Mar;56(2):180-3. doi: 10.1016/s0007-1226(03)00039-0. — View Citation
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Weum S, Lott A, de Weerd L. Detection of Perforators Using Smartphone Thermal Imaging. Plast Reconstr Surg. 2016 Nov;138(5):938e-940e. doi: 10.1097/PRS.0000000000002718. No abstract available. — View Citation
Weum S, Mercer JB, de Weerd L. Evaluation of dynamic infrared thermography as an alternative to CT angiography for perforator mapping in breast reconstruction: a clinical study. BMC Med Imaging. 2016 Jul 15;16(1):43. doi: 10.1186/s12880-016-0144-x. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Comparison tender spot coordinates and DIRT coordinates with professional thermocamera | Distance between coordinates (cm) to evaluate agreement | One day | |
Primary | Comparison tender spot coordinates and CT angiography coordinates | Distance between coordinates (cm) to evaluate agreement | One day | |
Primary | Comparison tender spot coordinates and color Doppler coordinates | Distance between coordinates (cm) to evaluate agreement | One day | |
Primary | Comparison hot spot coordinates smarphone/professional thermocamera | Evaulation if same hot spots are visible on thermal images from both cameras | One day |
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