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A Structured Method of Teaching Epidural Block reduces the incidence of accidental dural puncture in inexperienced trainees

Background: The rate of accidental dural puncture is particularly high during the period of training, especially in novices. The structured epidural teaching model (SETM) includes three standardized video lessons, the construction of a 3D epidural module by trainees and practical training by using an epidural simulator with and without the CompuFlo™ Epidural instrument. In this study we report the retrospective analysis of the accidental dural puncture rate of inexperienced trainees during th...

Prognostic factors and treatment choice for stage IV, low-volume metastasis hormone-sensitive prostate cancer: cross-sectional study of real-world data

Background: Many metastatic prostate cancer prognostics have been suggested, but few are validated. Nodal metastasis burden and baseline biochemical characteristics are overlooked in the currently accepted stratifications for metastatic hormone-sensitive prostate cancer (mHSPC). Prostate-specific membrane antigen positron emission tomography/computed tomography (PSMA PET/CT) is likely to increase the incidence of pelvic nodal and mHSPC undetected by conventional scans. However, there is no co...

Direct and Indirect Measurements of the 19F(p,α)16O Reaction at Astrophysical Energies Using the LHASA Detector and the Trojan Horse Method

Fluorine is one of the most interesting elements in nuclear astrophysics. Its abundance can provide important hints to constrain the stellar models since fluorine production and destruction are strictly connected to the physical conditions inside the stars. The (Formula presented.) (p,α)16O reaction is one of the fluorine burning processes and the correction evaluation of its reaction rate is of pivotal importance to evaluate the fluorine abundance. Moreover, the (Formula presented.) (p,α)16O...

Asymptotic Normalization Coefficient Investigation of the 17O(d, p) Transfer for Astrophysical Application to the 17O(n, α)14C Reaction at Low Energies

Indirect methods have proven to be a complementary approach for extending our knowledge of nuclear structure and low-energy cross sections. Among these, the neutron-induced reaction cross sections appear to be of particular interest since their role both for unstable and stable beams. In view of this, we report here the combined study of the 17O(n, α)14C reaction accomplished by the Trojan Horse Method (THM) and the asymptotic normalization coefficient (ANC) method. The low-lying 8038, 8125, ...

Indirect Measurement of the 3He(n,p)3H Reaction Cross Section at Big Bang Energies

Neutron-induced nuclear reactions play an important role in the Big Bang Nucleosynthesis. Their excitation functions are, from an experimental point of view, usually difficult to measure. Nevertheless, in the last decades, big efforts have led to a better understanding of their role in the primordial nucleosynthesis network. In this work, we apply the Trojan Horse Method to extract the cross section at astrophysical energies for the 3He(n,p)3H reaction after a detailed study of the 2H(3He,pt)...

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