|Year : 2016 | Volume
| Issue : 5 | Page : 352-354
Differentiating the headache of cerebral venous thrombosis from post-dural puncture: A headache for anaesthesiologists
Khaja Mohideen Sherfudeen, Gurumoorthi Ramasamy, Senthil Kumar Kaliannan, Pavan Kumar Dammalapati
Department of Anaesthesiology and Critical Care, Kauvery Hospitals, Trichy, Tamil Nadu, India
|Date of Web Publication||3-May-2016|
Khaja Mohideen Sherfudeen
Kauvery Hospitals, No. 1, K.C. Road, Tennur, Trichy - 620 017, Tamil Nadu
Source of Support: None, Conflict of Interest: None
Cerebral venous thrombosis (CVT) is a rare complication of lumbar puncture. Occasionally, the clinical picture of CVT may mimic post-dural puncture headache (PDPH) resulting in delayed diagnosis. A case of PDPH progressing to CVT is presented and the pathophysiology, diagnostic challenges and management options discussed in this article.
Keywords: Blood patch, cerebral venous thrombosis, post-dural puncture headache
|How to cite this article:|
Sherfudeen KM, Ramasamy G, Kaliannan SK, Dammalapati PK. Differentiating the headache of cerebral venous thrombosis from post-dural puncture: A headache for anaesthesiologists. Indian J Anaesth 2016;60:352-4
|How to cite this URL:|
Sherfudeen KM, Ramasamy G, Kaliannan SK, Dammalapati PK. Differentiating the headache of cerebral venous thrombosis from post-dural puncture: A headache for anaesthesiologists. Indian J Anaesth [serial online] 2016 [cited 2019 Sep 17];60:352-4. Available from: http://www.ijaweb.org/text.asp?2016/60/5/352/181609
| Introduction|| |
Post-dural puncture headache (PDPH) has a benign course with most of the patients recovering completely with or without autologous epidural blood patch (AEBP). Very rarely PDPH can progress to cerebral venous thrombosis (CVT), especially in patients with hypercoagulable states.  The clinical presentation of CVT sometime mimics PDPH resulting in delayed diagnosis.  We report here a case of PDPH progressing to CVT, causing dilemma in diagnosis.
| Case report|| |
A 33-year-old male patient, American Society of Anesthesiologists physical status 1, underwent fissurectomy under spinal anaesthesia with a 25-gauge Quincke spinal needle (BD, Becton Dickinson S. A), in a single attempt. His post-operative period was uneventful, and he was discharged the next day. The patient returned on the fifth post-operative day with complaints of headache, which had started on the second post-operative day. The headache was present all over the head and was not associated with nausea, vomiting or any other neurological signs. It increased in intensity on assuming erect posture and was relieved on assuming supine position.
A diagnosis of PDPH was made, and AEBP was planned in the operation theatre. In the theatre, after establishing standard monitors, under all aseptic precautions and patient in lateral position, epidural space (at L 2 -L 3 ) was identified with loss of resistance to air. Autologous blood (20 ml) was drawn aseptically from the left cephalic vein and was injected into epidural space after confirming negative aspiration. At the end of the epidural injection, the patient became apnoeic and unresponsive. Immediately, the position of the patient was changed supine and bag-mask ventilation was initiated. Within minutes, he became fully conscious and responsive, with no neurological deficit.
On evaluation over the next 24 h, it was found that the patient had only partial relief of headache. Next day, his headache increased in intensity and was orthostatic in nature. Although he had no other neurological symptoms, due to the transient unresponsiveness that followed the first AEBP, we did not attempt a second AEBP and decided to evaluate him with magnetic resonance imaging (MRI) of the brain.
Imaging revealed acute thrombosis of entire superior sagittal sinus and bilateral major cortical veins with features of increased intracranial pressure (ICP) (effacement of parietal lobe sulci) [Figure 1]a and b. Fundus examination revealed papilloedema. Therefore, the patient was started on low molecular weight heparin 40 mg twice daily. After 2 days, warfarin 3 mg was added to achieve a target International Normalised Ratio of 2-3. Repeat MRI brain showed resolving signs of CVT. There was complete resolution of the headache. Protein C, Protein S and antithrombin III levels were within normal limits.
|Figure 1: (a) Sagittal T1-images show absence of flow void with hyperintense signal in superior sagittal sinus (b) magnetic resonance imaging venography confirms superior sagittal sinus thrombosis|
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| Discussion|| |
The clinical manifestations and severity of CVT are highly variable and are often confused with the relatively benign PDPH [Table 1]. With the progression of PDPH to CVT, the headache usually loses its postural relationship and becomes continuous. However, even this may be variable as the change in the pattern of headache occurred only in 40-78% of patients in different surgical settings.  Therefore, until features of raised ICP (seizures, papilloedema) supervene, it may be difficult to differentiate between the two conditions based on the pattern of headache alone.
|Table 1: Comparison of post-dural puncture headache and cerebral venous thrombosis|
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Although AEBP is one of the treatment modalities in PDPH, it may be harmful if administered to patients with CVT, as it may further increase the ICP. , The intrathecal and epidural spaces become non-compliant with the loss of CSF following LP.  Hence, injection of AEBP can lead to raised ICP causing transient cord compression, as probably happened in our patient, who became transiently unresponsive after the AEBP.
| Conclusion|| |
The recognition and differentiation of CVT from PDPH is a clinically daunting process and both have radically different treatment options. Although the inadvertent use of AEBP did not affect the clinical outcome in our patient, the procedure may be implicated in case of development of neurological deficits.
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Conflicts of interest
There are no conflicts of interest.
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