J Korean Neurosurg Soc.  2009 Dec;46(6):581-583. 10.3340/jkns.2009.46.6.581.

Abducens Nerve Palsy after Lumbar Spinal Fusion Surgery with Inadvertent Dural Tearing

Affiliations
  • 1Department of Neurosurgery, Bogang Hospital, Daegu, Korea. jodc60484@gmail.com

Abstract

Abducens nerve palsy associated with spinal surgery is extremely rare. We report an extremely rare case of abducens nerve palsy after lumbar spinal fusion surgery with inadvertent dural tearing, which resolved spontaneously and completely. A 61-year-old previous healthy man presented with chronic lower back pain of 6 weeks duration and 2 weeks history of bilateral leg pain. He was diagnosed as having isthmic spondylolisthesis at L4-5 and L5-S1, and posterior lumbar interbody fusion was conducted on L4-5 and L5-S1. During the operation, inadvertent dural tearing occurred, which was repaired with a watertight dural closure. The patient recovered uneventfully from general anesthesia and his visual analogue pain scores decreased from 9 pre-op to 3 immediately after his operation. However, on day 2 he developed headache and nausea, which were severe when he was upright, but alleviated when supine. This led us to consider the possibility of cerebrospinal fluid leakage, and thus, he was restricted to bed. After an interval of bed rest, the severe headache disappeared, but four days after surgery he experienced diplopia during right gaze, which was caused by right-side palsy of the abducens nerve. Under conservative treatment, the diplopia gradually disappeared and was completely resolved at 5 weeks post-op.

Keyword

Abducens nerve palsy; Dural tearing; Surgical complication; Lumbar fusion surgery

MeSH Terms

Abducens Nerve
Abducens Nerve Diseases
Anesthesia, General
Bed Rest
Diplopia
Headache
Humans
Leg
Low Back Pain
Middle Aged
Nausea
Paralysis
Spinal Fusion
Spondylolisthesis
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