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The role of transcranial Doppler ultrasound (TCD) was studied retrospectively in relation to the management of 73 patients with a subarachnoid hemorrhage due to a ruptured intracranial aneurysms. TCD velocity measurements provided very valuable data to assist scheduling of angiography and delayed surgery. Angiography and surgery were planned significantly sooner in the TCD examined group of patients with TCD velocities indicative for the absence of vasospasm than in the group of patients who did not have TCD examinations. The cerebral circulatory resistance index (R), calculated as: (maximum systolic velocity--end diastolic velocity)/maximum systolic velocity, and changes in R did not predict a change in clinical grade or outcome.
R H Bartels, and
W I Verhagen, and
J A Van der Spek, and
J A Grotenhuis, and
E Brandsma, and
S L Notermans
April 1997,
British journal of neurosurgery,
R H Bartels, and
W I Verhagen, and
J A Van der Spek, and
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E Brandsma, and
S L Notermans
September 1997,
AJNR. American journal of neuroradiology,
R H Bartels, and
W I Verhagen, and
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S L Notermans
October 2007,
Medical science monitor : international medical journal of experimental and clinical research,
R H Bartels, and
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January 2005,
Revista de neurologia,
R H Bartels, and
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January 2023,
SA journal of radiology,
R H Bartels, and
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March 1998,
Neurosurgery,
R H Bartels, and
W I Verhagen, and
J A Van der Spek, and
J A Grotenhuis, and
E Brandsma, and
S L Notermans
September 1997,
Neurosurgery,
R H Bartels, and
W I Verhagen, and
J A Van der Spek, and
J A Grotenhuis, and
E Brandsma, and
S L Notermans
January 1994,
Acta neurochirurgica,
R H Bartels, and
W I Verhagen, and
J A Van der Spek, and
J A Grotenhuis, and
E Brandsma, and
S L Notermans
January 1992,
Neurologia i neurochirurgia polska,
R H Bartels, and
W I Verhagen, and
J A Van der Spek, and
J A Grotenhuis, and
E Brandsma, and
S L Notermans
March 1996,
Journal of neurosurgery,
