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Prevalence and risk factors for development of delirium in burn intensive care unit patients
Agarwal V, O'Neill PJ, Cotton BA, Pun BT, Haney S, Thompson J, Kassebaum N, Shintani A et al.. Journal of burn care & research : official publication of the American Burn Association, 2010-09-01
Topic: Risk, prevention and care in population studies
Delirium affects 60 to 80% of ventilated patients and is associated with worse clinical outcomes including death. Unfortunately, there are limited data regarding the prevalence and risk factors of delirium in critically ill burn patients. The objectives of this study were to evaluate the prevalence of delirium in ventilated burn patients, using validated instruments, and to identify its risk factors. Adult ventilated burn patients at two tertiary centers were prospectively evaluated for delirium using the Confusion Assessment Method in the Intensive Care Unit (CAM-ICU) for 30 days or until intensive care unit discharge. Patients with neurologic injuries, severe dementia, and those not expected to survive >24 hours were excluded. Markov logistic regression was used to identify the risk factors of delirium, adjusting for clinically relevant covariates. The 82 ventilated burn patients had a median (interquartile range) age of 48 (38-62) years, Acute Physiology and Chronic Health Evaluation II scores 27 (21-30), and percent burns of 20 (7-32). Prevalence of delirium was 77% with a median duration of 3 (1-6) days. Exposure to benzodiazepines was an independent risk factor for the development of delirium (odds ratio: 6.8 [confidence interval: 3.1-15], P < .001), whereas exposure to both intravenous opiates (0.5 [0.4-0.6], P < .001) and methadone (0.7 [0.5-0.9], P = .02) was associated with a lower risk of delirium. In conclusion, delirium occurred at least once in approximately 80% of ventilated burn patients. Exposure to benzodiazepines was an independent risk factor for delirium, whereas opiates and methadone reduced the risk of developing delirium, possibly through reduction of pain in these patients.
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APA 7th
Agarwal, V., O'Neill, P. J., Cotton, B. A., Pun, B. T., Haney, S., Thompson, J., et al. (2010). Prevalence and risk factors for development of delirium in burn intensive care unit patients. Journal of burn care & research : official publication of the American Burn Association. https://doi.org/10.1097/bcr.0b013e3181eebee9
Vancouver
Agarwal V, O'Neill PJ, Cotton BA, Pun BT, Haney S, Thompson J, et al. Prevalence and risk factors for development of delirium in burn intensive care unit patients. Journal of burn care & research : official publication of the American Burn Association. 2010. doi:10.1097/bcr.0b013e3181eebee9. PMID: 20647937.
BibTeX
@article{agarwal2010-20647937,
author = {Agarwal, V. and O'Neill, P. J. and Cotton, B. A. and Pun, B. T. and Haney, S. and Thompson, J. and Kassebaum, N. and Shintani, A. and others},
title = {{Prevalence and risk factors for development of delirium in burn intensive care unit patients}},
journal = {Journal of burn care \& research : official publication of the American Burn Association},
year = {2010},
doi = {10.1097/bcr.0b013e3181eebee9},
pmid = {20647937},
url = {https://doi.org/10.1097/bcr.0b013e3181eebee9}
}
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Key findings
- Delirium affects 60 to 80% of ventilated patients and is associated with worse clinical outcomes including death.
- Exposure to benzodiazepines was an independent risk factor for the development of delirium (odds ratio: 6.8 [confidence interval: 3.1-15], P < .001), whereas exposure to both intravenous opiates (0.5 [0.4-0.6], P < .001) and methadone (0.7 [0.5-0.9], P = .02) was associated with a lower risk of delirium.
- In conclusion, delirium occurred at least once in approximately 80% of ventilated burn patients.
Study details
- Evidence strengthLow
How this study scored 36/100
Published in a peer-reviewed journal. Scored zero for study design, sample size, effect reported, studied in people and randomized / blinded because the record does not state it. We have no data on journal's citation record, times cited, citations per year, impact for its field and year, cited by studies here, still being cited, senior author's track record, institution's track record and multicenter collaboration, so those were left out: it earned 21 of the 58 points we could judge it on, which is 36 out of 100.
| Component | Points | Why |
|---|---|---|
| Journal tier | 7 / 10 | Tier 3 — peer-reviewed journal (Journal of burn care & research : official publication of the American Burn Association) |
| Journal's citation record | — / 4 | No journal record from OpenAlex — left out of this score |
| Study design | 0 / 12 | No study design recorded — scores zero, not guessed (not stated in the record — scored 0) |
| Strength of evidence | 1 / 5 | Rated “low” in our summary |
| Peer-review validation | 10 / 10 | Peer-reviewed. Published as an article in a named peer-reviewed journal. |
| How recent | 1 / 5 | 2010 — within 20 year(s) of the newest study here |
| Sample size | 0 / 4 | Participant count not stated — scores zero (not stated in the record — scored 0) |
| Effect reported | 0 / 3 | No effect size reported — scores zero (not stated in the record — scored 0) |
| Studied in people | 0 / 3 | Not stated whether this was studied in people — scores zero (not stated in the record — scored 0) |
| Randomized / blinded | 0 / 2 | No randomization or blinding stated — scores zero (not stated in the record — scored 0) |
| Times cited | — / 7 | No citation count (not found in OpenAlex) — left out of this score |
| Citations per year | — / 5 | No citation count or no year — left out of this score |
| Impact for its field and year | — / 6 | No field-weighted citation impact (OpenAlex has none yet) — left out of this score |
| Cited by studies here | — / 6 | Not yet checked against this library's citation graph — left out of this score |
| Still being cited | — / 4 | No yearly citation counts — left out of this score |
| Senior author's track record | — / 4 | Senior author's record not available — left out of this score |
| Institution's track record | — / 3 | No institution listed in OpenAlex — left out of this score |
| Multicenter collaboration | — / 3 | Institutions not listed — left out of this score |
| Indexed in PubMed | 2 / 2 | Indexed in PubMed (PMID 20647937) |
| Free to read | 0 / 2 | Behind a paywall — scores zero |
| Points | 21 / 58 | Scored on 11 of 20 parts. We have no data for the rest, so they are left out: 21 of the 58 points we could judge it on is 36 out of 100. |
| Total | 36 / 100 | — |
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