Anemia and Blood Transfusion in Patients with Isolated Traumatic Brain Injury
Rationale. By reducing cerebral oxygen delivery, anemia may aggravate traumatic brain injury (TBI) secondary insult. This study evaluated the impact of anemia and blood transfusion on TBI outcomes. Methods. This was a retrospective cohort study of adult patients with isolated TBI at a tertiary-care...
Saved in:
| Main Authors: | , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2015-01-01
|
| Series: | Critical Care Research and Practice |
| Online Access: | http://dx.doi.org/10.1155/2015/672639 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850166745636012032 |
|---|---|
| author | Hasan M. Al-Dorzi Waleed Al-Humaid Hani M. Tamim Samir Haddad Ahmad Aljabbary Abdulaziz Arifi Yaseen M. Arabi |
| author_facet | Hasan M. Al-Dorzi Waleed Al-Humaid Hani M. Tamim Samir Haddad Ahmad Aljabbary Abdulaziz Arifi Yaseen M. Arabi |
| author_sort | Hasan M. Al-Dorzi |
| collection | DOAJ |
| description | Rationale. By reducing cerebral oxygen delivery, anemia may aggravate traumatic brain injury (TBI) secondary insult. This study evaluated the impact of anemia and blood transfusion on TBI outcomes. Methods. This was a retrospective cohort study of adult patients with isolated TBI at a tertiary-care intensive care unit from 1/1/2000 to 31/12/2011. Daily hemoglobin level and packed red blood cell (PRBC) transfusion were recorded. Patients with hemoglobin < 10 g/dL during ICU stay (anemic group) were compared with other patients. Results. Anemia was present on admission in two (2%) patients and developed in 48% during the first week with hemoglobin < 7 g/dL occurring in 3.0%. Anemic patients had higher admission Injury Severity Score and underwent more craniotomy (50% versus 13%, p<0.001). Forty percent of them received PRBC transfusion (2.8 ± 1.5 units per patient, median pretransfusion hemoglobin = 8.8 g/dL). Higher hospital mortality was associated with anemia (25% versus 6% for nonanemic patients, p=0.01) and PRBC transfusion (38% versus 9% for nontransfused patients, p=0.003). On multivariate analysis, only PRBC transfusion independently predicted hospital mortality (odds ratio: 6.8; 95% confidence interval: 1.1–42.3). Conclusions. Anemia occurred frequently after isolated TBI, but only PRBC transfusion independently predicted mortality. |
| format | Article |
| id | doaj-art-dec9fa9e5b244ad9aafad8ff0b6e051e |
| institution | OA Journals |
| issn | 2090-1305 2090-1313 |
| language | English |
| publishDate | 2015-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Critical Care Research and Practice |
| spelling | doaj-art-dec9fa9e5b244ad9aafad8ff0b6e051e2025-08-20T02:21:21ZengWileyCritical Care Research and Practice2090-13052090-13132015-01-01201510.1155/2015/672639672639Anemia and Blood Transfusion in Patients with Isolated Traumatic Brain InjuryHasan M. Al-Dorzi0Waleed Al-Humaid1Hani M. Tamim2Samir Haddad3Ahmad Aljabbary4Abdulaziz Arifi5Yaseen M. Arabi6Intensive Care Department, King Abdulaziz Medical City, Riyadh 11426, Saudi ArabiaCollege of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Riyadh 11426, Saudi ArabiaEpidemiology and Biostatistics, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, Riyadh 11426, Saudi ArabiaIntensive Care Department, King Abdulaziz Medical City, Riyadh 11426, Saudi ArabiaIntensive Care Department, King Abdulaziz Medical City, Riyadh 11426, Saudi ArabiaNeurosurgery/Surgery Department, King Abdulaziz Medical City, Riyadh 11426, Saudi ArabiaIntensive Care Department, King Abdulaziz Medical City, Riyadh 11426, Saudi ArabiaRationale. By reducing cerebral oxygen delivery, anemia may aggravate traumatic brain injury (TBI) secondary insult. This study evaluated the impact of anemia and blood transfusion on TBI outcomes. Methods. This was a retrospective cohort study of adult patients with isolated TBI at a tertiary-care intensive care unit from 1/1/2000 to 31/12/2011. Daily hemoglobin level and packed red blood cell (PRBC) transfusion were recorded. Patients with hemoglobin < 10 g/dL during ICU stay (anemic group) were compared with other patients. Results. Anemia was present on admission in two (2%) patients and developed in 48% during the first week with hemoglobin < 7 g/dL occurring in 3.0%. Anemic patients had higher admission Injury Severity Score and underwent more craniotomy (50% versus 13%, p<0.001). Forty percent of them received PRBC transfusion (2.8 ± 1.5 units per patient, median pretransfusion hemoglobin = 8.8 g/dL). Higher hospital mortality was associated with anemia (25% versus 6% for nonanemic patients, p=0.01) and PRBC transfusion (38% versus 9% for nontransfused patients, p=0.003). On multivariate analysis, only PRBC transfusion independently predicted hospital mortality (odds ratio: 6.8; 95% confidence interval: 1.1–42.3). Conclusions. Anemia occurred frequently after isolated TBI, but only PRBC transfusion independently predicted mortality.http://dx.doi.org/10.1155/2015/672639 |
| spellingShingle | Hasan M. Al-Dorzi Waleed Al-Humaid Hani M. Tamim Samir Haddad Ahmad Aljabbary Abdulaziz Arifi Yaseen M. Arabi Anemia and Blood Transfusion in Patients with Isolated Traumatic Brain Injury Critical Care Research and Practice |
| title | Anemia and Blood Transfusion in Patients with Isolated Traumatic Brain Injury |
| title_full | Anemia and Blood Transfusion in Patients with Isolated Traumatic Brain Injury |
| title_fullStr | Anemia and Blood Transfusion in Patients with Isolated Traumatic Brain Injury |
| title_full_unstemmed | Anemia and Blood Transfusion in Patients with Isolated Traumatic Brain Injury |
| title_short | Anemia and Blood Transfusion in Patients with Isolated Traumatic Brain Injury |
| title_sort | anemia and blood transfusion in patients with isolated traumatic brain injury |
| url | http://dx.doi.org/10.1155/2015/672639 |
| work_keys_str_mv | AT hasanmaldorzi anemiaandbloodtransfusioninpatientswithisolatedtraumaticbraininjury AT waleedalhumaid anemiaandbloodtransfusioninpatientswithisolatedtraumaticbraininjury AT hanimtamim anemiaandbloodtransfusioninpatientswithisolatedtraumaticbraininjury AT samirhaddad anemiaandbloodtransfusioninpatientswithisolatedtraumaticbraininjury AT ahmadaljabbary anemiaandbloodtransfusioninpatientswithisolatedtraumaticbraininjury AT abdulazizarifi anemiaandbloodtransfusioninpatientswithisolatedtraumaticbraininjury AT yaseenmarabi anemiaandbloodtransfusioninpatientswithisolatedtraumaticbraininjury |