NCT04115995

DIEP Flap Perfusion Evaluated by DIRT and ICG-FA.

Perforator Mapping and Anastomosis Patency Evaluated by Dynamic Fluorescence Video Angiography of Indocyanine Green and Infrared Thermography.

• Status: Unknown
• Phase: —
• Study type: Observational
• Enrollment: 30 (estimated)
• Sponsor: University Hospital of North Norway · Academic / Other
• Sex: Female
• Age: 25 Years – 70 Years
• Healthy volunteers: Accepted

Summary

Patients selected for DIEP breast reconstruction were examined with preoperative CTA, Doppler Ultrasound, dynamic infrared thermography (DIRT) and Indocyanin green fluorescent angiography (ICG-FA) for perforator mapping. DIRT and ICG-FA were used to evaluate perfusion of selected perforators. Following anastomoses for the DIEP flap to internal mammary vessels , patency of the anastomosis was evaluated with DIRT and ICG-FA. Recorded images from all the modules were compared.

Detailed description

Introduction: 'The primary aim of our study is to compare invasive and non-invasive techniques to select a dominant perforator when harvesting a DIEP-flap for autologous breast reconstruction. The secondary aim is to compare Dynamic Infrared Thermography (DIRT) and Laser Fluorescence Angiography (LFA) of Indocyanine green (ICG) in order to see whether they could be useful in the early detection of insufficient perfusion following the microvascular anastomotic procedure in DIEP flaps. Material and Method: Patients selected for breast reconstruction with autologous tissue were examined with preoperative CTA and a handheld Doppler Ultrasound for perforator mapping. Thereafter visual images from same area was obtained with dynamic infraredeed thermography (DIRT) and Indocyanin green fluorescent angiography (ICG-FA) before and after dissection of the skin flap with preserved medial and lateral DIEP perforators. Reconstructed breasts with hemi-DIEP-flaps were intraoperatively evaluated with DIRT and LFA immediately after the completion and opening of the microvascular anastomosis.The recorded images from the different techniques were assesses in relation to clinical outcome. .

Conditions

• Reconstructive Surgical Procedures

Interventions

Type	Name	Description
DIAGNOSTIC_TEST	Dynamic infrared thermography (DIRT) and indocyanine green fluorescence angiography (ICG-FA)	DIRT and ICG FA are used intraoperatively to evaluate perfusion of the perforators and the anastomosis. Both technique are compared in their ability to visualize perfusion.

Timeline

• Start date: 2019-01-16
• Primary completion: 2019-12-24
• Completion: 2019-12-31
• First posted: 2019-10-04
• Last updated: 2019-10-04

Locations

1 site across 1 country: Norway