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Aim: To investigate the efficacy and tolerability of a cream (Rilastil Xerolact PB) containing a mixture of prebiotics and postbiotics, and to validate the PRURISCORE itch scale in the management of atopic dermatitis. Methods: The study is based on 396 subjects of both sexes in three age groups (i.e., infants, children, adults) suffering from mild/moderate Atopic Dermatitis, recruited from 8 European countries and followed for 3 months. Results: The product demonstrated good efficacy combined with good/very good tolerability in all age groups. In particular, SCORAD, PRURISCORE and IGA scores decreased significantly over the course of the study. The PRURISCORE was preferred to VAS by the vast majority of patients. Conclusion: Even though the role of prebiotics and postbiotics was not formally demonstrated since these substances were part of a complex formulation, it can be reasonably stated that prebiotics and postbiotics have safety and standardization features that probiotics do not have. In addition they are authorized by regulatory authorities, whereas topical probiotics are not.

Millions of women and their fetuses were exposed to the toxic pregnancy drug diethylstilbestrol (DES) from the 1940s into the 1970s, a time when the medical profession had little knowledge about potential developmental consequences of fetal drug exposures. Pathological consequences of DES exposure to the pregnant mothers and their offspring are well documented, but now generational research is finding that the grandchildren of women given DES in pregnancy are also at risk. This commentary summarizes presentations on this subject from the Beyond Genes panel "Heritable Impacts of Diethylstilbestrol (DES).", (© The Author(s) 2021. Published by Oxford University Press on behalf of Society for the Study of Reproduction. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)

Aims: The prerequisite and the rationale for the benefit of cardiac resynchronization therapy (CRT) is that it is able to resynchronize left ventricular (LV) walls that have a delayed activation., Methods and Results: In 69 consecutive patients who underwent biventricular (BIV) pacemaker implantation, we assessed the magnitude of intraventricular resynchronization achieved by means of simultaneous (BIV 0) and sequential BIV pacing (with an individually optimized VV interval value among +80 ms and -80 ms) using pulsed-wave tissue Doppler imaging techniques and in particular the measurement of the intra-LV electromechanical delay. The intra-LV delay was defined as the difference between the longest and the shortest activation time in the six basal segments of the LV. An abnormal intra-LV delay was defined as a value >41 ms. The intra-LV delay was 63 +/- 28 ms baseline, decreased to 44 +/- 26 ms with BIV 0 and to 26 +/- 15 ms with optimized BIV (P = 0.001). BIV 0 determined the shortest delay in 28 (41%) patients (23 +/- 12 ms). In 41 (59%) patients, a better resynchronization was achieved with optimized VV intervals (LV first in 32 and RV first in 5) or single-chamber pacing (LV in 3 and RV in 1). With BIV 0, the intra-LV delay remained abnormal in 41% and was longer than baseline in 30% of patients compared with 9 and 12% with optimized BIV, respectively (P = 0.001)., Conclusion: A sub-optimal resynchronization is achieved with simultaneous BIV pacing in most patients. A tailored programming of the relative contribution of RV and LV pacing forms the prerequisite for improving CRT results.