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PubMedDate not supplied

Pneumocephalus following the treatment of a postdural puncture headache with an epidural saline infusion.

We report a case of pneumocephalus following the attempted treatment of a postdural puncture headache by a continuous epidural saline infusion. Within 1 hour of infusion, symptoms of a severe headache, nausea, and vomiting prompted a computerized tomographic scan of the head that showed 12 to 15 ml of air in the cranium. The epidural space was located easily with the loss-of-resistance technique using 3 ml of air. A saline bolus and infusion were initiated after confirmation of correct placement of the epidural catheter. We suggest that air passed from the negative-pressure epidural space through the dural puncture created by the diagnostic spinal tap, producing a pneumocephalus.

Adult↗
PubMedDate not supplied

Tip-holed spinal needle: a new design concept.

Dura-arachnoid puncture for spinal anesthesia is associated with several complications. Postdural puncture headache (PDPH) and needle bending are significant among these. The incidence of PDPH has been reduced significantly with the advent of pencil-point needles. However, these needles also have their limitations, such as obstruction of the delivery port by tissues affecting both cerebrospinal fluid flash back and drug delivery. Increasing the size of the lateral hole has led to mechanical complications, such as tip bending. A new spreading beveled spinal needle tip has been designed to overcome the disadvantages of all the currently used spinal needles. To assess the feasibility, a 26-gauge Quincke spinal needle (B. Braun, Melsungen, Germany) has been modified manually. The new tip-holed design seems to be sound both from theoretical and practical point of view. Searching Medline Plus through their Internet Web site (www.nlm.nih.com) did not reveal the existence of any such spinal needle.

Anesthesia, Spinal↗
PubMed2006

Cerebrospinal fluid dissecting into spinal epidural space after lumbar puncture causing cauda equina syndrome: review of literature and illustrative case.

OBJECTS: We report a case of epidural cerebrospinal fluid (CSF) leak after lumbar puncture caused by CSF dissecting into the spinal epidural space. The incidence of this phenomenon may be higher than suspected, although most cases may remain asymptomatic. MATERIALS AND METHODS: A 4-year-old girl with new-onset seizure underwent a diagnostic lumbar puncture, the results of which were normal; 3 h later, she began experiencing severe low-pressure headaches and lower back pain, bilateral lower extremity weakness, numbness, and pain, and urinary retention when upright. Spinal MRI demonstrated extensive epidural CSF collection posterior to the thecal sac extending from the cervicothoracic junction to the sacrum. After 48 h in the supine position and gradual mobilization, the patient had complete resolution of symptoms and no neurological sequelae. CONCLUSION: Patients usually recover without any neurological deficits after conservative treatment. Prone or lateral decubitus positioning immediately after lumbar puncture may decrease the incidence of this phenomenon.

Cerebrospinal Fluid↗
PubMed1983

Myelography in achondroplasia: value of a lateral C1-2 puncture and non-ionic, water-soluble contrast medium.

Because of technical difficulties and diagnostic limitations encountered with other myelographic techniques in patients with achondroplasia, the authors employed a lateral C1-2 puncture and non-ionic, water-soluble contrast medium in 18 achondroplastic patients with spinal compression (21 procedures). This technique proved most appropriate for identifying the upper limit of degenerative osteophytes causing exacerbation of congenital spinal stenosis, which is crucial in planning decompressive surgery. A potentially important additional finding was the presence of degenerative lower cervical spine disease in the majority of patients. There were no serious complications. The authors recommend this technique as safe and effective in achondroplastic patients with severe congenital spinal stenosis.

Achondroplasia↗