lumbar puncture

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lumbar puncture:

see spinal puncturespinal puncture,
surgical penetration of the spinal canal by a hollow needle introduced between two of the lumbar vertebrae. The arrangement permits injection of antibiotics or anesthetics (see anesthesia) as well as dyes to facilitate X-ray studies.
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lumbar puncture

Med insertion of a hollow needle into the lower region of the spinal cord to withdraw cerebrospinal fluid, introduce drugs, etc.
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
Factors associated with traumatic fluoroscopy-guided lumbar punctures: A retrospective review.
This system was tested in a patient with confirmed diagnosis of human immunodeficiency virus-associated cryptococcal meningitis (HIV-CM) and severe intracranial hypertension, before and after therapeutic lumbar puncture. This non-invasive measurement allows a real-time acquisition of ICP by the use of a sensor that acquires skull deformation data induced by the intracranial pressure waves (1).
Baker, MD, of Brigham and Women's Hospital, Boston, and colleagues retrospectively reviewed the records of 112 patients who had a routine CT before LP for suspected meningitis.2 Regardless of CT scan result, all patients received a lumbar puncture. Four patients had mass lesions on CT scan, though none of these patients had an increased opening pressure.
Lumbar puncture is typically performed in the L4 and L5 interspace while the patient is in the lateral position.
An attempt for lumbar puncture was defined as separate skin puncture with spinal needle for lumbar puncture.
* Listening to the sadness and fear in my father's voice when he spoke of the lumbar punctures she was having.
The survey asked whether trainees routinely used the following components of an aseptic technique3when performing lumbar puncture:
Almost one-third of lumbar punctures performed were abnormal according to the criteria in Table I.
Since then, her parents Rachel and Rob have seen her go through lumbar punctures, brain scans and reams of tests.
Predicting difficult and traumatic lumbar punctures. Am J Emerg Med.
Blood can be collected at any clinic or in-home visit and most patients will agree to the process, whereas not all facilities can conduct lumbar punctures to obtain cerebrospinal fluid.
(6) False-positive results, however, are sometimes seen in cases with DIC, fibrinolysis, and trauma from repeated lumbar punctures. Occasionally, a clinician may repeat the lumbar puncture at the next higher vertebral interspace in an attempt to eliminate confounding data from a traumatic tap.