Impact of Hyperoxia and Hypocapnia on Neurological Outcomes in Patients with Aneurysmal Subarachnoid Hemorrhage: A Retrospective Study
Joint Authors
Shum, Hoi-Ping
Li, Kin Chio
Tam, Catherine Wing Yan
Yan, Wing-Wa
Source
Critical Care Research and Practice
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-12-06
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
In recent decades, there is increasing evidence suggesting that hyperoxia and hypocapnia are associated with poor outcomes in critically ill patients with cardiac arrest or traumatic brain injury.
Yet, the impact of hyperoxia and hypocapnia on neurological outcome in patients with subarachnoid hemorrhage (SAH) has not been well studied.
In the present study, we evaluated the impact of hyperoxia and hypocapnia on neurological outcomes in patients with aneurysmal SAH (aSAH).
Patients with aSAH who were admitted to the intensive care unit (ICU) of a tertiary hospital in Hong Kong between January 2011 and December 2016 were retrospectively recruited.
Patients’ demographics, comorbidities, radiological findings, clinical grades of SAH, PO2, and PCO2 within 24 hours of ICU admission, and Glasgow Outcome Scale (GOS) at 3 months after admission were recorded.
Patients with a GOS score of 3 or less were considered having poor neurological outcomes.
Among the 244 patients with aSAH, 122 of them (50%) had poor neurological outcomes at 3 months.
Early hyperoxia (PO2 > 200 mmHg) and hypercapnia (PCO2 > 45 mmHg) were more common among patients with poor neurological outcomes.
Logistic regression analysis indicated that hyperoxia independently predicted poor neurological outcomes (OR 3.788, 95% CI 1.131–12.690, P=0.031).
Classification tree analysis revealed that hypocapnia was associated with poor neurological outcomes in patients who were less critically ill (APACHE < 50) and without concomitant intracranial hemorrhage (ICH) or intraventricular hemorrhage (IVH) (adjusted P=0.006, χ2 = 7.452).
These findings suggested that hyperoxia and hypocapnia may be associated with poor neurological outcomes in patients with aSAH.
American Psychological Association (APA)
Li, Kin Chio& Tam, Catherine Wing Yan& Shum, Hoi-Ping& Yan, Wing-Wa. 2019. Impact of Hyperoxia and Hypocapnia on Neurological Outcomes in Patients with Aneurysmal Subarachnoid Hemorrhage: A Retrospective Study. Critical Care Research and Practice،Vol. 2019, no. 2019, pp.1-8.
https://search.emarefa.net/detail/BIM-1129127
Modern Language Association (MLA)
Li, Kin Chio…[et al.]. Impact of Hyperoxia and Hypocapnia on Neurological Outcomes in Patients with Aneurysmal Subarachnoid Hemorrhage: A Retrospective Study. Critical Care Research and Practice No. 2019 (2019), pp.1-8.
https://search.emarefa.net/detail/BIM-1129127
American Medical Association (AMA)
Li, Kin Chio& Tam, Catherine Wing Yan& Shum, Hoi-Ping& Yan, Wing-Wa. Impact of Hyperoxia and Hypocapnia on Neurological Outcomes in Patients with Aneurysmal Subarachnoid Hemorrhage: A Retrospective Study. Critical Care Research and Practice. 2019. Vol. 2019, no. 2019, pp.1-8.
https://search.emarefa.net/detail/BIM-1129127
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1129127