Objectives On 21 December 2020 the European Commission granted conditional marketing authorisation in the European Union for the anti-COVID-19 mRNA vaccine Bnt162b2 (Comirnaty, Pfizer/BioNTech). The main endpoint of this epidemiological, observational, prospective and monocentric study was to identify the number, types, and severity of adverse events following immunisation that occurred in subjects who had been previously infected with COVID-19, and in those who had not, after vaccination with Comirnaty, and to compare the two groups of subjects looking at events that occurred within a month after the first and the second dose. Methods Data were gathered by a questionnaire. The results included the responses of all healthcare workers (2030) of the IRCCS Sacro Cuore Don Calabria Hospital (Italy) vaccinated between 1st January and 28th February 2021. Adverse effects of the vaccine were reported after the first and the second doses. Results There was a statistically significant increase (p<0.001, χ 2 =35.60) in participants who experienced some side-effects after receiving the first dose of the vaccine and who had previously been infected with the coronavirus, compared with participants who had not previously been infected. 46.76% (136) of the participants who had previously been infected experienced some side-effects after the first dose of vaccine, and 63.23% (184) experienced some sideeffects after the second dose, compared with 29.15% (507) after the first dose and 70.79% (1231) after the second dose in those who had not been previously infected. The number of participants who experienced side-effects after the second dose and had previously been infected was significantly lower compared with participants who had not previously been infected (p=0.0094, χ 2 =6.743). Conclusions Most of the side-effects identified in this trial were also reported by the manufacturer and the US Food and Drug Administration. Active surveillance should always continue to constantly check the vaccine's risk/ benefit ratio over time.
ObjectivesThe transplantation of human tissues is a greatly expanding field of medicine with unquestionable benefits that raise questions about safety, quality and ethics. Since 1 October 2019, the Fondazione Banca dei Tessuti del Veneto (FBTV) stopped sending thawed and ready to be transplanted cadaveric human tissues to hospitals. A retrospective analysis of the period 2016–2019 found a significant number of unused tissues. For this reason, the hospital pharmacy has developed a new centralised service characterised by thawing and washing human tissues for orthopaedic allografts. This study aims to analyse the hospital cost and benefit derived from this new service.MethodsAggregate data relating to tissue flows were obtained retrospectively for the period 2016–2022 through the hospital data warehouse. All tissues arriving from FBTV for each year were analysed, dividing them according to the outcome (if used or wasted). The percentage of wasted tissues as well as the economic loss due to wasted allografts were analysed per year and trimester.ResultsWe identified 2484 allografts requested for the period 2016–2022. In the last 3 years of the analysis, characterised by the new tissue management of the pharmacy department, we found a statistically significant reduction in wasted tissues (p<0.0001) from 16.33% (216/1323) with a cost to the hospital of 176 866€ during the period 2016–2019 to 6.72% (78/1161) with a cost to the hospital of 79 423€ during the period 2020–2022.ConclusionThis study shows how the centralised processing of human tissues in the hospital pharmacy makes the procedure safer and more efficient, demonstrating how the synergy between different hospital departments, high professional skills and ethics can lead to a clinical advantage for patients and a better economic impact for the hospital.
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