Clinical Status of Patients with Cerebrospinal Fluid Hypovolemia Treated with an Epidural Blood Patch

Takafumi Nishizaki, Norio Ikeda, Shigeki Nakano, Takanori Sakakura, Natsumi Fujii, Tomomi Okamura

Ube Industries Central Hospital, Ube, Japan.

DOI: 10.4236/ojmn.2015.54018                

Abstract

Objective: Use of an epidural self-blood patch (EBP) is the most effective form of therapy for patients with cerebrospinal fluid (CSF) hypovolemia. However, even if the symptoms are resolved, other clinical aspects of this condition frequently prevent patients resuming social activity. In the present study, we investigated the clinical course of patients with CSF hypovolemia after treatment with an EBP to assess the factors affecting return to work or school, and considered the treatment of patients with progressive chronic subdural hematoma. Patients and Results: We investigated a group of 10 patients with CSF hypovolemia. After initial application of an EBP, 8 of these patients were completely relieved of postural headache and associated symptoms, and the other 2 recovered after a second application. However, 3 patients who had cervical spondylosis or psychosis were still unable to return to work or school. Two patients who were forced to retire have potential for rehabilitation after EBP. One patient has recovered from the illness, but could not return to school due to persistent medical history of psychosis. These patients had suffered symptoms for a long period before EBP (mean, 17.8 months; range 7 months to 3 years) relative to those who were able to resume social activity (mean, 2.0 months; range 7 days to 5 months) (P < 0.05). Three had progressive bilateral chronic subdural hematoma. One of these patients required emergency burr-hole drainage to resolve the neurological deterioration. Conclusions: Both physicians and patients need to be aware of CSF hypovolemia, and the fact that it requires appropriate treatment without delay. While application of an EBP is a fundamentally important therapy even for patients with hematoma, careful follow-up is required for patients showing marked neurological deterioration or an increasing hematoma volume with a brain midline shift, and burr-hole drainage must sometimes be considered in combination with EBP.

Keywords

CSF Hypovolemia, Epidural Self-Blood Patch, Chronic Subdural Hematoma

Conflicts of Interest

The authors declare no conflicts of interest.

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