High-Resolution Intracranial Pressure Burden and Outcome in Subarachnoid Hemorrhage
BACKGROUND AND PURPOSE—Intracranial pressure (ICP) control is a therapeutic target in patients with aneurysmal subarachnoid hemorrhage, although only a limited number of studies assessed its course and effect on outcome. Pressure–time dose (PTDICP) is a method to quantify the burden and the time spent above a defined threshold of ICP. PTDICP or its relationship with outcome has never been evaluated in aneurysmal subarachnoid hemorrhage. METHODS—Analysis of data prospectively collected from aneurysmal subarachnoid hemorrhage patients admitted to Neurointensive Care Unit. Monitored data, including intraparenchymal ICP, were digitally recorded minute-by-minute in the first 7 days. PTDICP (mm Hg h) was computed using 4 predefined thresholds (15, 20, 25, and 30 mm Hg). Outcome was assessed through Extended Glasgow Outcome Scale at hospital discharge and at 6 months. RESULTS—Fifty-five patients were enrolled. Forty-two patients (76%) presented with a poor clinical grade. Overall, mortality was 17% at hospital discharge and 34% at 6 months. Half of patients required extensive therapy to control high ICP during day 1. Median ICP was 10 mm Hg (4–75), whereas median PTDICP15, PTDICP20, PTDICP25, PTDICP30 were, respectively, 13, 4, 2, and 1 mm Hg h. We observed an association between mortality at hospital discharge and higher level of PTDICP using 20, 25, and 30 mm Hg as thresholds and between exposure to a moderate-level PTDICP30 and unfavorable long-term outcome. CONCLUSIONS—PTDICP may better define one of the insults that the brain suffers after aneurysmal rupture, and exposure to moderate PTDICP30 was significant prognostic factor of 6-month unfavorable outcome..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2015 |
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| Erschienen: |
2015 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:46 |
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| Enthalten in: |
Stroke - 46(2015), 9, Seite 2464-2469 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Magni, Federico [VerfasserIn] |
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| Links: |
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| RVK: |
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| doi: |
10.1161/STROKEAHA.115.010219 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
OLC1967393397 |
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| 520 | |a BACKGROUND AND PURPOSE—Intracranial pressure (ICP) control is a therapeutic target in patients with aneurysmal subarachnoid hemorrhage, although only a limited number of studies assessed its course and effect on outcome. Pressure–time dose (PTDICP) is a method to quantify the burden and the time spent above a defined threshold of ICP. PTDICP or its relationship with outcome has never been evaluated in aneurysmal subarachnoid hemorrhage. METHODS—Analysis of data prospectively collected from aneurysmal subarachnoid hemorrhage patients admitted to Neurointensive Care Unit. Monitored data, including intraparenchymal ICP, were digitally recorded minute-by-minute in the first 7 days. PTDICP (mm Hg h) was computed using 4 predefined thresholds (15, 20, 25, and 30 mm Hg). Outcome was assessed through Extended Glasgow Outcome Scale at hospital discharge and at 6 months. RESULTS—Fifty-five patients were enrolled. Forty-two patients (76%) presented with a poor clinical grade. Overall, mortality was 17% at hospital discharge and 34% at 6 months. Half of patients required extensive therapy to control high ICP during day 1. Median ICP was 10 mm Hg (4–75), whereas median PTDICP15, PTDICP20, PTDICP25, PTDICP30 were, respectively, 13, 4, 2, and 1 mm Hg h. We observed an association between mortality at hospital discharge and higher level of PTDICP using 20, 25, and 30 mm Hg as thresholds and between exposure to a moderate-level PTDICP30 and unfavorable long-term outcome. CONCLUSIONS—PTDICP may better define one of the insults that the brain suffers after aneurysmal rupture, and exposure to moderate PTDICP30 was significant prognostic factor of 6-month unfavorable outcome. | ||
| 540 | |a Nutzungsrecht: © 2015 American Heart Association, Inc. | ||
| 650 | 4 | |a Subarachnoid Hemorrhage - therapy | |
| 650 | 4 | |a Subarachnoid Hemorrhage - etiology | |
| 650 | 4 | |a Subarachnoid Hemorrhage - physiopathology | |
| 650 | 4 | |a Aneurysm, Ruptured - complications | |
| 650 | 4 | |a Intracranial Pressure - physiology | |
| 650 | 4 | |a Intracranial Hypertension - physiopathology | |
| 650 | 4 | |a Subarachnoid Hemorrhage - mortality | |
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| 700 | 1 | |a Vargiolu, Alessia |4 oth | |
| 700 | 1 | |a Citerio, Giuseppe |4 oth | |
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