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  • Oxford University Press (OUP)  (2)
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  • Oxford University Press (OUP)  (2)
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  • 1
    Online Resource
    Online Resource
    Continuous Leakage-Amplified Public-Key Encryption With CCA Security
    Oxford University Press (OUP) ; 2022
    In:  The Computer Journal Vol. 65, No. 7 ( 2022-07-15), p. 1760-1775
    Details
    In: The Computer Journal, Oxford University Press (OUP), Vol. 65, No. 7 ( 2022-07-15), p. 1760-1775
    Abstract: Secret key leakage has become a security threat in computer systems, and it is crucial that cryptographic schemes should resist various leakage attacks, including the continuous leakage attacks. In the literature, some research progresses have been made in designing leakage resistant cryptographic primitives, but there are still some remaining issues unsolved, e.g. the upper bound of the permitted leakage is fixed. In actual applications, the leakage requirements may vary; thus, the leakage parameter with fixed size is not sufficient against various leakage attacks. In this paper, we introduce some novel idea of designing a continuous leakage-amplified public-key encryption scheme with security against chosen-ciphertext attacks. In our construction, the leakage parameter can have an arbitrary length, i.e. the length of the permitted leakage can be flexibly adjusted according to the specific leakage requirements. The security of our proposed scheme is formally proved based on the classic decisional Diffie–Hellman assumption.
    Type of Medium: Online Resource
    ISSN: 0010-4620 , 1460-2067
    URL: Article
    DOI: 10.1093/comjnl/bxab017
    RVK:
    SQ 1100
    RVK:
    SA 3740
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2022
    detail.hit.zdb_id: 1477172-X
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Reperfusion strategies on the clinical outcomes of ST-elevation myocardial infarction patients over 80 years old in China
    Oxford University Press (OUP) ; 2024
    In:  European Heart Journal - Quality of Care and Clinical Outcomes ( 2024-02-09)
    Details
    In: European Heart Journal - Quality of Care and Clinical Outcomes, Oxford University Press (OUP), ( 2024-02-09)
    Abstract: This study aims to explore the efficacy of reperfusion strategies on the clinical outcomes of ST-elevation myocardial infarction (STEMI) patients over 80 years old in China. Methods A retrospective cohort study was performed on STEMI patients over 80 years old who underwent reperfusion strategies and no reperfusion between January 2014 and December 2021 based on the China Cardiovascular Association (CCA) Database-Chest Pain Center. Results This study included a total of 42,699 patients (mean age 84.1 ± 3.6 years, 52.2% male) among which 19,280 (45.2%) underwent no reperfusion, 20,924 (49.0%) underwent primary percutaneous coronary intervention (PCI), and 2,495 (5.8%) underwent thrombolytic therapy. After adjusting for potential confounders, multivariable logistic regression analysis revealed that patients who underwent primary PCI strategy showed a significantly lower risk of in-hospital mortality (OR = 0.62, 95% CI: 0.57-0.67, P & lt; 0.001) and the composite outcome (OR = 0.83, 95% CI: 0.79-0.87, P & lt; 0.001) compared to those received no reperfusion. In contrast, patients with thrombolytic therapy exhibited a non-significantly higher risk of in-hospital mortality (OR = 0.99, 95% CI: 0.86-1.14, P = 0.890), and a significantly elevated risk of the composite outcome (OR = 1.15, 95% CI: 1.05-1.27, P = 0.004). During a median follow-up of 6.7 months post-hospital admission, there was a percentage 31.4% of patients died and patients in the primary PCI group consistently demonstrated a reduced incidence of all-cause mortality (HR = 0.58, 95% CI: 0.56-0.61, P & lt; 0.001). Conclusion STEMI patients over 80 years old who underwent the primary PCI strategy are more likely to have favorable clinical outcomes compared to those who received no reperfusion, whereas, thrombolytic therapy warrants careful assessment and monitoring.
    Type of Medium: Online Resource
    ISSN: 2058-5225 , 2058-1742
    URL: Article
    DOI: 10.1093/ehjqcco/qcae013
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2024
    detail.hit.zdb_id: 2823451-0
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