Abstract:
OBJECTIVE:To evaluate the usefulness of early transcranial Doppler ultrasound (TCD) goal-directed therapy after severe traumatic brain injury initiated before invasive cerebral monitoring is available. DESIGN:Prospective, observational clinical study. SETTING:Surgical intensive care unit, university hospital. PATIENTS AND PARTICIPANTS:Twenty-four severely brain-injured patients. INTERVENTIONS:All patients had TCD measurements immediately on admission (T0) and when invasive cerebral monitoring was available (T1). TCD was considered abnormal when two out of three measured values were outside the following limits: Vm<30 cm/s, Vd<20 cm/s, PI > 1.4. When admission TCD was abnormal, attending physicians modified treatment to increase cerebral perfusion pressure. MEASUREMENTS AND RESULTS:Admission TCD was performed 18+/-11 min (T0) after admission, whereas cerebral invasive monitoring was available 242+/-116 min (T1) after admission. At T0, 11 (46%) patients had abnormal TCD values (group 1) and 13 had normal TCD values (group 2); mean arterial pressure was comparable between groups. All group 1 patients received mannitol and/or norepinephrine. At T1, mean arterial pressure was increased compared to admission in group 1 (105+/-17 mmHg vs. 89+/-15 mmHg, p<0.05) and only two patients had still an abnormal TCD. Although group 1 patients had higher intracranial pressure than those of group 2 (32+/-13 mmHg vs. 22+/-10 mmHg, p<0.01), both cerebral perfusion pressure and jugular venous oxygen saturation were comparable between the groups. CONCLUSIONS:The use of TCD at hospital admission allows identification of severely brain-injured patients with brain hypoperfusion. In such high-risk patients, early TCD goal-directed therapy can restore normal cerebral perfusion and might then potentially help in reducing the extent of secondary brain injury.
journal_name
Intensive Care Medjournal_title
Intensive care medicineauthors
Ract C,Le Moigno S,Bruder N,Vigué Bdoi
10.1007/s00134-007-0558-6subject
Has Abstractpub_date
2007-04-01 00:00:00pages
645-51issue
4eissn
0342-4642issn
1432-1238journal_volume
33pub_type
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pub_type: 杂志文章,评审
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pub_type: 杂志文章
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pub_type: 临床试验,杂志文章,随机对照试验
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pub_type: 杂志文章,多中心研究
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pub_type: 杂志文章,多中心研究,随机对照试验
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pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1995-05-01 00:00:00
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