Zusammenfassung Ziel Darstellung von Studien zur psychischen Belastung von medizinischem Personal unter Bedingungen der COVID-19-Pandemie. Methodik PubMed-gestützte Suche mit den Stichworten COVID 19“, „stress“, „mental health“, „healthcare worker“, „staff“, „psychiatry“. Eingeschlossen wurden quantitative Studien, (inkl. „Letter to the editor“) zur Belastung des medizinischen Personals im Zeitraum von Januar bis März 2020. Ergebnisse Es wurden 14 Studien mit Klinikpersonal aus Infektionsabteilungen, Abteilungen für Fieberkranke, Abteilungen der Inneren Medizin inklusive Intensivstationen sowie der Chirurgie und Psychiatrie identifiziert. Am häufigsten wurden der Patient Health Questionnaire-9 (PHQ-9), die Self-rating-Anxiety Scale (SAS) und die Impact of Event Scale (IES-R) verwendet. Die Stichprobengröße schwankte zwischen 37 und 1257 Personen des überwiegend pflegerischen und ärztlichen Personals. Der Anteil an COVID-19-nahen Tätigkeiten schwankte zwischen 7,5 % und 100 %. Es wurde eine erhebliche Belastung durch Stresserleben, depressive und ängstliche Symptome berichtet. Schwere Ausprägungsgrade fanden sich bei 2,2–14,5 % der Befragten. Die Ausprägung der psychischen Symptomatik wurde beeinflusst durch Alter, Geschlecht, Berufsgruppe, Fachrichtung, Art der Tätigkeit und die Nähe zu COVID-19-Patienten. Als Mediatorvariablen wurden das Personalmanagement, die präventive Intervention, die Resilienz und vorhandene soziale Unterstützung angesehen. Schlussfolgerung Angesichts der Häufigkeit psychischer Symptome bei medizinischem Personal erscheinen begleitende psychiatrisch-psychotherapeutisch informierte Interventionen notwendig, um eine Bewältigung zu unterstützen. Eine schnell einsetzende Forschung ist in diesem Bereich wünschenswert.
Supplementation of spermidine, an autophagy-inducing agent, has been shown to protect against neurodegeneration and cognitive decline in aged animal models. The present translational study aimed to determine safety and tolerability of a wheat germ extract containing enhanced spermidine concentrations. In a preclinical toxicity study, supplementation of spermidine using this extract did not result in morbidities or changes in behavior in BALBc/Rj mice during the 28-days repeated-dose tolerance study. Post mortem examination of the mice organs showed no increase in tumorigenic and fibrotic events. In the human cohort (participants with subjective cognitive decline, n=30, 60 to 80 years of age), a 3-month randomized, placebo-controlled, double-blind Phase II trial was conducted with supplementation of the spermidine-rich plant extract (dosage: 1.2 mg/day). No differences were observed between spermidine and placebo-treated groups in vital signs, weight, clinical chemistry and hematological parameters of safety, as well as in self-reported health status at the end of intervention. Compliance rates above 85% indicated excellent tolerability. The data demonstrate that spermidine supplementation using a spermidine-rich plant extract is safe and well-tolerated in mice and older adults. These findings allow for longer-term intervention studies in humans to investigate the impact of spermidine treatment on cognition and brain integrity.
Background There is little evidence about the utilization of healthcare services and disease recognition in the older population, which was urged to self-isolate during the COVID-19 lockdowns. Objectives We aimed to describe the utilization of physician consultations, specialist referrals, hospital admissions, and the recognition of incident diseases in Germany for this age group during the COVID-19 lockdown. Design Cross-sectional observational study. Setting 1,095 general practitioners’ (GPs) and 960 specialist practices in Germany. Subjects 2.45 million older patients aged 65 or older. Methods The number of documented physician consultations, specialist referrals, hospital admissions, and incident diagnoses during the imposed lockdown in 2020 was descriptively analyzed and compared to 2019. Results Physician consultations decrease slightly in February (−2%), increase before the imposed lockdown in March (+9%), and decline in April (−18%) and May (−14%) 2020 compared to the same periods in 2019. Volumes of hospital admissions decrease earlier and more intensely than physician consultations (−39% vs. -6% respectively). Overall, 15%, 16%, and 18% fewer incident diagnoses were documented by GPs, neurologists, and diabetologists respectively in 2020. Diabetes, dementia, depression, cancer, and stroke were diagnosed less frequently during the lockdown (−17% to −26%), meaning that the decrease in the recognition of diseases was greater than the decrease in physician consultations. Conclusion The data suggest that organizational changes were adopted quickly by practice management, but also raise concerns about the maintenance of routine care. Prospective studies should evaluate the long-term effects of lockdowns on patient-related outcomes.
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