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Comparison of flap and contralateral donor site tissue perfusion for flap monitoring in microvascular head and neck reconstruction - a retrospective study.
[INTRODUCTION] Postoperative flap monitoring in microvascular head and neck reconstruction based solely on flap tissue perfusion measurements relative to predefined thresholds may be influenced by systemic tissue perfusion alterations. This…
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Confounding effects of blood hemoglobin and hematocrit levels on flap perfusion measurement with the Oxygen-to-see (O2C) analysis system in microvascular head and neck reconstruction- a retrospective study.
[BACKGROUND] The Oxygen-2-see (O2C) analysis system can measure flap perfusion, which is a prerequisite for flap viability, and it is therefore commonly used in flap monitoring for microvascular head and neck reconstruction. However, in the…
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Continuous Measurement of Radial Free Forearm Flap Tissue Perfusion for Flap Monitoring After Microvascular Head and Neck Reconstruction-Systemic Blood Pressure as a Potential Confounder in the Early Postoperative Period.
Continuous measurement of flap tissue perfusion in the context of postoperative flap monitoring after microvascular head and neck reconstruction may be confounded by alterations in systemic blood pressure, particularly when using predefined…
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Flap size as a confounding variable in flap perfusion measurement with the Oxygen-to-see (O2C) analysis system in microvascular head and neck reconstruction - a retrospective analysis.
[OBJECTIVES] The Oxygen-to-see (O2C) analysis system is used for flap monitoring based on predefined threshold values for flap perfusion. However, flap size may be a confounding variable. The aim of this study was to investigate the relatio…
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Tensile strength of adhesives in peripheral nerve anastomoses: an in vitro biomechanical evaluation of four different neurorrhaphies.
[BACKGROUND] The fundamental prerequisite for prognostically favorable postoperative results of peripheral nerve repair is stable neurorrhaphy without interruption and gap formation. [METHODS] This study evaluates 60 neurorrhaphies on femo…
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Impacts of vascular comorbidities on free flap perfusion in microvascular head and neck reconstruction.
[PURPOSE] Arterial hypertension (AHTN), type 2 diabetes mellitus (DM), and atherosclerotic vascular disease (ASVD) are common vascular comorbidities in patients undergoing reconstruction of the head and neck region with a microvascular free…
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Flap perfusion monitoring with an attached surface probe in microvascular reconstruction of the oral cavity.
[OBJECTIVES] Postoperative flap monitoring is essential in oral microvascular reconstruction for timely detection of vascular compromise. This study investigated the use of attached surface probes for the oxygen-2-see (O2C) analysis system …
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Attached compared with unattached surface probes for monitoring flap perfusion in microvascular head and neck reconstruction: a feasibility study.
Unattached surface probes are commonly used with the O2C analysis system (LEA Medizintechnik, Germany) to monitor microvascular free flap perfusion. This study compared attached and unattached surface probes for extraoral free flaps. The st…
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Evaluation of a novel osteosynthesis plate system for mandibular defects.
Continuity defects of the jaw can be reconstructed with titanium plates or microvascular bone flaps; osteosynthesis plates are necessary for both. In this study we performed a retrospective review of patients treated with Medartis MODUS® Ma…