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Synergizing Antegrade Endoscopic with Bridging Vein Harvesting for Improvement of Great Saphenous Vein Graft Quality from the Lower Leg
Published on: November 19, 2019
Devascularizing complications of free fibula harvest: peronea arteria magna
Gedge D Rosson1, Navin K Singh
1Division of Plastic, Reconstructive, and Maxillofacial Surgery, Johns Hopkins University School of Medicine, Outpatient Center, Baltimore, Maryland 21287, USA.
Abstract:
The authors present a case report of devascularizing complications following free fibula harvest. A retrospective review of 93 consecutively imaged limbs demonstrated a peronea arteria magna (PAM) prevalence of 5.3 percent in an urban population, which was used to perform a cost-effectiveness analysis for preoperative vascular imaging of the donor limb using magnetic resonance angiography (MRA) and traditional angiography (TA). Donor-site complications of fibula harvest range from 15 to 30 percent, but are rarely limb-threatening. Limb loss is a dreaded complication of congenital PAM, which can be present with a normal vascular exam. Some microsurgery groups advocate using no preoperative imaging of the donor limb; they rely on intraoperative assessment of the vascular anatomy. An aborted harvest due to aberrant anatomy leads to both direct and indirect added costs. The authors believe that MRA imaging of the donor limb, being minimally invasive, is cost-effective and indicated for free fibula transfers. For equivocal results, conversion to more invasive and costly TA may be necessary.
Insights
Preoperative imaging for free fibula transfers is cost-effective. Magnetic resonance angiography (MRA) helps identify rare but dangerous vascular anomalies, preventing complications like limb loss.
Area of Science:
- Microsurgery
- Vascular Surgery
- Medical Imaging
Background:
- Free fibula harvest is a common procedure in reconstructive surgery.
- Donor-site complications, though usually minor, can occasionally be severe.
- Congenital peronea arteria magna (PAM) poses a risk of limb loss, even with a normal vascular exam.
Observation:
- A retrospective review of 93 limbs found a 5.3% prevalence of PAM in an urban population.
- Some surgeons forgo preoperative imaging, relying on intraoperative assessment.
- Aborted fibula harvests due to aberrant anatomy incur significant costs.
Findings:
- Magnetic resonance angiography (MRA) is a minimally invasive, cost-effective tool for preoperative assessment of the fibula donor limb.
- MRA can identify congenital peronea arteria magna (PAM), a rare vascular anomaly.
- Traditional angiography (TA) may be necessary for equivocal MRA results.
Implications:
- Preoperative MRA is indicated for free fibula transfers to mitigate risks associated with PAM.
- Routine preoperative vascular imaging can prevent costly complications and improve patient outcomes.
- This approach balances the benefits of imaging with its associated costs.
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