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Japanese

CISTERNO-LUMBAR ELECTRO MANOMETRIC QUECKENSTEDT TEST (C-L EMQ TEST) USING CUFF MANOMETER AND ITS MODEL EXPERIMENT Minoru Tsunoda 1 , Takashi Ohwada 1 , Tetu Kuramae 1 , Hiroshi Takagi 1 , Nishio Nakamura 1 , Yoshio Miyasaka 1 , Isao Ito 2 1Department of Neurosurgery, Kushiro Rosai Hospital 2Department of Neurosurgery, International St.Luke's Hospital pp.73-80
Published Date 1972/1/1
DOI https://doi.org/10.11477/mf.1406203047
  • Abstract
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We have performed C-L EMQ Test to the 37cases, 65 times totally for recent two years and alsoperformed model C-L EMQ Test simulating theclinical condition and recording method. We couldobtain the interesting findings from clinical recordsupported by the model experiment. In this paper,we will report its clinical and experimental methodsand their results.

Clinical method: Each of the cisternal andlumber punctured needles was independently con-nectected to the pressure transducers,which recordedsimultaneously pressure responses of the two pointsunder the managements of gradational jugularcompression using cuff manometer (20,30,40,50and 60 mmHg), coughing and abdominal compres-sion in flexion, neutral and extension of the neckposition with a chart speed of 2. 5 mm/sec. (Fig. 1,2,3)

Experimental model: Each of the pressure trans-ducers was fitted to the right (cephalic) and left(lumbar) ends of the vinyl tube, the fine calibratorwas applied between them and made the stenosisof the tube. The gradational pressures simulatingthe recording results of the clinical gradationaljugular compressions were given through the pres-sure indicator of the right (cephalic) side of thistube. (Fig. 4,5,6 and Tab.1)

The clinical and experimental results are follow-ings;

1) The relationship between the degrees ofjugular compression and the raises of CSF pressureshowed a lineal equation. (Fig.2,3,5,6)

2) The degree of the narrowed pathway of thespinal subarachnoid space can be shown quantita-tively as a ratio (%) of cisternal and lumbar tri-angle dimensions, which are made up by the baseline (initial pressure line) and the line drawn toconnect with the tops of the pateau waves at thetime of gradational jugular compressions. (Fig. 2,3,5,6)

3) The C-L EMQ Test showed no block (normalfinding) in very wide range. (Fig. 5,7)

4) Once the evidence of partial block appears,the changes from patial to complete block lie inextreme narrow range. (Fig. 6,7)

Concerning with the way to decide the evidenceof spinal subarachnoid obstruction and to presentthe degrees of the partial block as a ratio(%), wethink our C-L EMQ Test using cuff manometer isunique. Because this method is based upon theconsideration including the amplitude responses,rising and falling tlmes of CSF pressure, and cis-terno-lumbar pressure difference duration duringthis recording times.


Copyright © 1972, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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