Evolving patterns of intracranial hemorrhage in advanced therapies in patients with acute pulmonary embolism
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Abstract
Background
Dissecting trends and contributing risk factors for intracranial hemorrhage (ICH) in patients treated for acute pulmonary embolism (PE) may allow for a better patient selection for existing and emerging treatment options.
Methods
The German nationwide inpatient sample was screened for patients admitted due to PE 2005–2020. Hospitalizations were stratified for the occurrence of ICH; risk factors for ICH and temporal trends were investigated.
Results
Overall, 816,653 hospitalizations due to acute PE in the period 2005–2020 were analyzed in the study. ICH was reported in 2516 (0.3 %) hospitalizations, and time trend analysis revealed a fluctuating but overall, largely unchanged annual incidence. There was an increase of ICH with age. Patients with ICH had a higher comorbidity burden (Charlson-Comorbidity-Index [CCI], 5.0 [4.0–7.0] vs. 4.0 [2.0–5.0]; P < 0.001), and higher CCI was associated with an OR of 1.26 (95%CI 1.24–1.27) for ICH. Further independent risk factors for ICH were age ≥ 70 years (OR 1.23 [1.12–1.34]), severe (versus low-risk) PE (OR 3.09 [2.84–3.35]), surgery (OR 1.59 [1.47–1.72]), acute kidney injury (OR 3.60 [3.09–4.18]), and ischemic stroke (OR 14.64 [12.61–17.00]). The identified risk factors for ICH varied among different reperfusion treatment groups. As expected, ICH had a substantial impact on case-fatality of PE (OR 6.16 [5.64–6.72]; P < 0.001).
Conclusions
Incidence of ICH in patients hospitalized for acute PE in Germany was overall low and depended on the patients' comorbidity burden. Identifying patients at risk for ICH allows tailored patient selection for the different reperfusion treatments and might prevent ICH.
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Thrombosis research, 243, Elsevier Science, Amsterdam [u.a.], 2024, https://doi.org/10.1016/j.thromres.2024.109168