Journal List > J Korean Soc Spine Surg > v.25(Suppl 1) > 1125267

Lee, Ahn, Shin, Yoo, and Lee: Spinal Subarachnoid Hematoma after Spinal Anesthesia - A Case Report -

Abstract

Study Design

Case report.

Objectives

We report a case of spinal subarachnoid hematoma that developed after spinal anesthesia in a female patient who had no risk factors.

Summary of Literature Review

Few case reports of spinal subarachnoid hematoma (SSH) after spinal anesthesia have been published. The incidence of SSH is much less than that of epidural hematoma.

Materials and Methods

A 56-year-old female patient underwent arthroscopic surgery on her right knee under spinal anesthesia. Automated patient-controlled analgesia (PCA) was applied after surgery. On day 2, the patient complained of lower back pain, headache, nausea, and vomiting, but there were no neurological signs in the lower extremity. At day 5, she had a moderate fever (38.4°) and continuous nausea and vomiting. Magnetic resonance imaging (MRI) was conducted on day 5 and a large subarachnoid hematoma was found. We immediately performed surgical hematoma evacuation. Her low back and buttock pain improved immediately, and all symptoms disappeared in a week without any neurological sequelae.

Results

The unusual and vague symptoms in this case made the diagnosis difficult, but spinal MRI confirmed SSH. Immediate surgical hematoma evacuation improved all symptoms and left no neurologic sequelae.

Conclusions

SSH after spinal anesthesia may have cerebral symptoms that mimic the side effects of PCA. Early diagnosis by MRI and surgical evacuation of the SSH are a reasonable approach for this complication.

REFERENCES

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Fig 1.
Spinal subarachnoid hematoma. Magnetic resonance imaging showed subarachnoid hematoma extending from L2 to L5. Cauda equina compression with subarachnoid hematoma was most severe at the L3-4 level. (A) Hyperintense in a T1-weighted image, (B) Hypointense in a T2-weighted image.
jkss-25-140f1.tif
Fig 2.
The dorsal surface of the dura mater looked reddish, but was not especially tense. Aspiration was performed, and bloody cerebrospinal fluid was drained.
jkss-25-140f2.tif
Fig 3.
Postoperative magnetic resonance imaging was obtained on the 12th day after hematoma evacuation surgery, and the hematoma had been completely removed.
jkss-25-140f3.tif
Table 1.
Laboratory findings related to blood coagulation
Tests Results Normal value
Platelet count 326,000/mm3 130,000∼400,000/mm3
Prothrombin time 10.1 sec 9.2∼12.5 sec
Activated partial thromboplastime time 25.9 sec 22.0∼38.0 sec
Platelet function analysis epinephrine 192 81∼192
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