Abstract
Background
Early neurological deterioration (END) after endovascular thrombectomy (EVT) is strongly associated with poor prognosis in patients with large vessel occlusion. The relationship between body temperature and END after EVT is unknown, which we aimed to investigate in this study.
Methods
END was defined as an increase of four or more points on the National Institutes of Health Stroke Scale score compared with the baseline assessment within 24 h. Logistic regression and restricted cubic spline models were used to assess the relationship between body temperature and END.
Results
Among 7741 consecutive patients with ischemic stroke, 406 patients with large vessel occlusion who underwent EVT were enrolled. In total, 88 (21.7%) patients developed END. Logistic regression showed that the maximum body temperature within 24 h (odds ratio [OR] = 1.97 per °C, 95% confidence interval [CI] 1.17–3.32, p = 0.010) was independently associated with END. This association was nonlinear and J shaped (p for nonlinearity = 0.010), and the risk of END increased when the maximum body temperature within 24 h was lower or higher than 37.0 °C. Fever burden is also independently associated with END (OR = 1.06 per °C × hour, 95% CI 1.01–1.11, p = 0.012). In addition, the timing of fever onset was independently associated with END, and the highest risk of END was associated with fever onset within 6 h after EVT (OR = 3.92, 95% CI 1.25–12.27, p = 0.019).
Conclusions
In summary, there is a J-shaped association between the maximum body temperature within 24 h after EVT and END. Moreover, the risk of END differed according to the timing of fever onset.
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Data availability
The data that support the findings of this study are available from the corresponding author on reasonable request.
Change history
05 March 2022
A Correction to this paper has been published: https://doi.org/10.1007/s12028-022-01451-0
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Acknowledgement
We thank Professor Cairong Zhu from the School of Public Health SCU, who kindly assisted with the design of the statistical method for our analysis.
Funding
This work was supported by the National Key Research and Development Program of China (Nos. 2018YFC1311400, 2018YFC1311401), the National Natural Science Foundation of China (Grant No. 81772435), the Science & Technology Department of Sichuan Province (No. 2020YFS0155), and West China Nursing Discipline Special Fund Project, Sichuan University (HXHL20021).
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Study conception and design: LH, YL, and MC. Data acquisition: YL, MC, JB, LF. Data analysis and interpretation: YL, MC, SD, JB. Statistical analysis: YL, SD. Article draft: YL, JF, SD, MM. Critical revision of the manuscript for important intellectual content: LH, LF, YL, MC, JF, SD, MM, JB. Approved the submitted version: LH, LF, YL, MC, JF, SD, MM, JB.
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Luo, Y., Chen, M., Fang, J. et al. Relationship Between Body Temperature and Early Neurological Deterioration after Endovascular Thrombectomy for Acute Ischemic Stroke with Large Vessel Occlusion. Neurocrit Care 37, 399–409 (2022). https://doi.org/10.1007/s12028-021-01416-9
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DOI: https://doi.org/10.1007/s12028-021-01416-9