Stephen E. Sandwell

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Deafferentation facial pain (anesthesia dolorosa) can occur after injury of the first-order trigeminal nerve. It is often debilitating and difficult to treat. The authors report the treatment of anesthesia dolorosa in a 69-year-old man with a 7-year history of pain. The pain occurred after an open resection of a right trigeminal neuroma. After treatment(More)
Vessel ligation is a fundamental surgical skill that must be performed efficiently. By identifying and eliminating redundant hand movements, we developed a more smooth method for tying a first knot around a hemostat-clamped vessel. The knot is made while the suture is being passed around the hemostat. In addition to being an exceptionally fast method, this(More)
INTRODUCTION The sitting cervical position affords advantages over prone positioning for elective posterior cervical decompression and fusion. A potential disadvantage is the risk for venous air embolism. METHODS We retrospectively identified all adult elective posterior cervical surgeries at our institution between 2009 and January 2014. Using(More)
STUDY DESIGN Retrospective chart review with limited prospective follow-up survey. OBJECTIVE To evaluate the efficacy and safety of blood patch injection for the treatment of positional headaches caused by postoperative lumbosacral pseudomeningoceles. SUMMARY OF BACKGROUND DATA Pseudomeningocele is one of the most common complications after posterior(More)
BACKGROUND The nucleus caudalis dorsal root entry zone (DREZ) surgery is used to treat intractable central craniofacial pain. This is the first journal publication of DREZ lesioning used for the long-term relief of an intractable chronic traumatic headache. CASE DESCRIPTION A 40-year-old female experienced new-onset bi-temporal headaches following a(More)
OBJECT This study seeks to improve the accuracy of trigeminal nucleus caudalis dorsal root entry zone (DREZ) radiofrequency lesioning by quantifying the size and orientation of the nucleus caudalis. METHODS Using serial axial photographs of 6 formalin-fixed cadaver brainstems, digital nucleus caudalis measurements were taken at 1-mm intervals from the(More)
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