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Treating head and neck tumors has undergone significant advancements, focusing on improving the patient's quality of life after treatment. Reconstructive surgical techniques with free flaps have been vital in restoring anatomy, function, an…

[OBJECTIVES] Microvascular free‑flap monitoring is crucial to the early detection of flap failure and increases the chance of early intervention in case of disruption of perfusion to a flap. Many clinical alternatives to classical clinical …

Background  Various methods for monitoring after free flap surgery have been reported in the literature. Among them, pulse oximetry shows a sensitive reaction to vascular issues, and it is easy to interpret visually. However, previous repor…

[BACKGROUND] This study aimed to assess the feasibility and effectiveness of using combined transfer by two or three large skin flaps to cover a single extensive and multiplanar wound on the foot and ankle to achieve full coverage of the wo…

Free-tissue transfer is now the standard of care in reconstructing head and neck defects. Microvascular reconstruction of the upper two-thirds of the face, particularly following recurrent malignant disease, however, remains a challenge. Re…

[OBJECTIVE] The objective of this study is to describe the operative success of completely buried free flaps and to determine the safety/reliability of using implantable dopplers for postoperative monitoring in completely buried free flaps.…

Practical implementation of minimally invasive biomedical applications has been a long-sought goal for microrobots. In this field, most previous studies only demonstrate microrobots with locomotion ability or performing a single task, unabl…

[BACKGROUND] There is a rare need for postoperative non-invasive positive pressure ventilation (NIPPV) following microvascular reconstruction of the head and neck. In midface reconstruction, the free flap vascular pedicle is especially vuln…

Postoperative free flap monitoring is considered a key component of care after microsurgical reconstruction. To achieve successful flap salvage after surgical revision, early recognition of vascular compromise is required. The aim of this s…

A number of studies have already examined gluteal reconstruction with free flaps. Thus, the aim of this study was to investigate the reliability of free flap reconstruction for oncologic gluteal defects. This retrospective cohort study incl…

Background: Vascular patency is the key element for high flap survival rates. The purpose of this study was to assess and compare the blood flow characteristics of deep inferior epigastric perforator (DIEP) and muscle-sparing transverse rec…

Rapid identification of possible vascular compromise in free flap reconstruction to minimize time to reoperation improves achieving free flap salvage. Subjective clinical assessment, often complemented with handheld Doppler, is the golden s…

[BACKGROUND] With severe vascular calcifications, vascular clamp application and utilizing the vessel for free flap recipient vessel becomes impossible. These obstacles can be overcome with the Fogarty catheter and vein graft. [PATIENTS AN…

[PURPOSE OF REVIEW] To highlight three clinical arenas in which head and neck free-flap compromise is encountered and acted upon: nonoperative, operative and postoperative realms. [RECENT FINDINGS] Time to identification and intervention i…

This study was conducted to evaluate the outcomes of re-exploration procedures done after head and neck microvascular flap reconstructions. This is a retrospective review of 109 flaps in 106 patients (three patients had two flaps each) that…

[BACKGROUND]  Many microsurgeons fear high complication rates and free flap loss when vein grafting is necessary to restore blood flow at the recipient site. The aims of this study were to comparatively analyze surgical outcomes of interpos…

We reported a proof-of-concept study of developing an electrochemical biosensor for prolonged continuous monitoring free flap failure caused by vascular occlusion after reconstructive surgery. Ferrocene (Fc)-containing Chitosan-cografted-Br…

Micro-vascular flaps have been used for the repair of challenging defects for over 45 years. The risk of failure is reported to be around 5-10% which despite medical and technical advances in recent years remains essentially unchanged. Prec…

[BACKGROUND] Microvascular tissue transfer is a common reconstructive procedure. We designed a bioelectrical impedance assessment (BIA) system for quantitative analysis of tissue status. This study attempts to verify it through the animal m…

[BACKGROUND] The majority of hindquarter amputation defects can be reconstructed with local anterior or posterior thigh flaps. Less than 5% of soft tissue defects require free flap reconstruction after tumour resection. Lower extremity fill…