Abstract

BackgroundLiposuction and autologous fat transplantation represent widely used techniques in plastic surgery to correct or enhance contour irregularities in the face and body. While these techniques are assumed to be safe, liposuction and fat grafting impose a hidden risk for serious preventable surgical complications and adverse patient outcomes. We hereby report two cases of iatrogenic sciatic nerve injury and provide recommendations on how to prevent this serious surgical complication.Case presentationWe present two cases of sciatic nerve injury - one related to liposuction and the other related to gluteal lipo-augmentation. The first case is a 20-year-old female who presented to our institution with right leg weakness one week after undergoing scar revision and fat grafting in the left peri-oral region to correct peri-oral cicatricial banding and tissue atrophy. Fat was harvested from the medial thigh using a 3-mm cannula with low-pressure manual suction, utilizing minimal tumescent solution. Nerve conduction velocity and electromyography testing suggested a right-sided sciatic nerve lesion as a result of direct trauma. The patient was observed for a period of 4 months during which time she underwent physical therapy. At four months post-operatively, she had recovered completely. The second case is that of a 39-year-old female who presented to our institution with left-sided weakness of foot eversion and dorsiflexion five days after she had undergone liposuction of the thighs, flanks, and abdomen in addition to gluteal lipo-augmentation at an outside facility. The patient had undergone super wet liposuction in the areas of the abdomen, flanks and thighs. 200 mL of collected fat was then transplanted into each buttock at multiple levels. Post-operative computed tomography and electroneurography revealed acute left sided sciatic injury consistent with direct trauma to or compression of the sciatic nerve. The patient underwent an extensive regimen of physical therapy. Three months post-operatively, the patient had regained some motor function, but was lost to follow-up thereafter.ConclusionThe sciatic nerve is relatively superficial and vulnerable to injury in the upper thigh and lower buttock regions. Therefore, extreme care should be taken when working in these areas to avoid direct or indirect injury to the sciatic nerve by compression or traction.

Highlights

  • ConclusionThe sciatic nerve is relatively superficial and vulnerable to injury in the upper thigh and lower buttock regions

  • Liposuction and autologous fat transplantation represent widely used techniques in plastic surgery to correct or enhance contour irregularities in the face and body

  • Extreme care should be taken when working in these areas to avoid direct or indirect injury to the sciatic nerve by compression or traction

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Summary

Conclusion

Suction-assisted lipectomy and gluteal lipoaugmentation remain among the most frequently performed aesthetic procedures in the United States and worldwide. Peripheral nerve injuries are not an uncommon occurrence as these procedures continue to gain more widespread use. We believe that iatrogenic sciatic nerve injury related to liposuction in the thigh region, and/or gluteal lipo-augmentation, is under-reported and should be included in the pre-operative discussion and consent of all surgical candidates. It is crucial that this type of complication be reported so that coherent guidelines for patient selection and safety measures are ensured

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