[An integrated approach for better contamination control in hospital settings]

Disinfection of hospital environments is a cornerstone of intervention strategies to reduce the risk of hospital-associated infections. Many studies show that standard cleaning procedures are not sufficient for proper disinfection of hospital environments and that the addition of no-touch technologies, such us ultraviolet light, can provide deeper sanitisation. This study aims to test whether the application of ultraviolet light after standard procedures improves hygiene levels in the shortest possible time and shows the degree of contamination before and after irradiation. A cross-sectional study was conducted in a real clinical setting in rehabilitation rooms of a contracted clinic "Rugani Hospital" in Monteriggioni (SI), Italy, between December 2019 and August 2020.the study was carried out according to the following protocol: i) quantization of contamination of 12 selected target points in room; ii) attribution to the points of a probability of contamination risk; iii) sampling of a subset of 6 points with probabilistic assignment; iv) evaluation of the pre-post disinfection environmental hygiene using a UV-C system. For the pre-post statistical analysis the non-parametric Wilcoxon test was used; the multivariate MANOVA was used to verify the role of different confounders, with post hoc Bonferroni test. Probabilistic calculations minimised the samplings required to conclude that the application of the ultraviolet light device reduced the level of contamination in a statistically significant manner (p < 0.01) when comparing pre- and post-exposure, with less irradiation time than indicated by the manufacturer.

Natural Radioactivity of the Crystalline Basement Rocks of the Peloritani Mountains (North-Eastern Sicily, Italy): Measurements and Radiological Hazard

Crystalline rocks can produce dangerous radiation levels on the basis of their content in radioisotopes. Here, we report radiological data from 10 metamorphic and igneous rock samples collected from the crystalline basement of the Peloritani Mountains (southern Italy). In order to evaluate the radiological properties of these rocks, the gamma radiation and the radon emanation have been measured. Moreover, since some of these rocks are employed as building materials, we assess the potential hazard for population connected to their use. Gamma spectroscopy was used to measure the 226Ra, 232Th and 40K activity concentration, whereas the radon emanation was investigated by using a RAD 7 detector. The results show 226Ra, 232Th and 40K activity concentration values ranging from (17 ± 4) to (56 ± 8) Bq kg-1, (14 ± 3) to (77 ± 14) Bq kg-1 and (167 ± 84) to (1760 ± 242) Bq kg-1, respectively. Values of the annual effective dose equivalent outdoor range from 0.035 to 0.152 mSv y-1, whereas the gamma index is in the range of 0.22-0.98. The 222Rn emanation coefficient and the 222Rn surface exhalation rate vary from (0.63 ± 0.3) to (8.27 ± 1.6)% and from (0.12 ± 0.03) to (2.75 ± 0.17) Bq m-2 h-1, respectively. The indoor radon derived from the building use of these rocks induces an approximate contribution to the annual effective dose ranging from 8 to 176 μSv y-1. All the obtained results suggest that the crystalline rocks from the Peloritani Mountains are not harmful for the residential population, even though they induce annual effective doses due to terrestrial gamma radiation above the worldwide average values. Moreover, their use as building materials does not produce significant health hazards connected to the indoor radon exposure.

Rapid detection of Legionella spp in water samples by ScanVIT method: comparison of acid vs heat treatment

BACKGROUND

A rapid detection of Legionella bacteria in water samples is crucial to minimize the risk of acquiring infections, especially in health care facilities. Different detection methods and different decontamination procedures have been reported to affect the recovery of Legionella spp. Our goal was to test the recovery of Legionella pneumophila and Legionella non-pneumophila species using a kit based on non-specific and species-specific probes to treat water samples after two different decontamination procedures.

METHODS

The study was conducted with samples collected in the teaching hospital "Le Scotte" of Siena (Italy). Waters samples were analyzed by: i) ScanVIT method after treatment with acids; ii) ScanVIT method after heating; and iii) cultural standard method after heating. The results of the decontamination procedures and the detection methods were evaluated by comparing the number of Legionella-positive and -negative samples, and the recovery rates (CFU l-1) obtained by ScanVIT and the standard method.

RESULTS

We find that ScanVIT method is highly sensitive with both decontamination treatments, yielding a higher recovery of L. pneumophila compared to the standard method. Conversely, ScanVIT associated with the acid-treatment yielded the highest recovery of L. non-pneumophila.

CONCLUSIONS

The acid-treatment combined to the ScanVIT method increases the recovery of L. non-pneumophila in water samples compared to both ScanVIT associated with heat-treatment and standard culture method. Thus, this method may represent the best choice to detect L. non-pneumophila in water samples and reduce the risk of infection due to underestimation of Legionella loads.

Carbapenem-resistant enterobacteriaceae: don’t trust your neighbour

Background

The spread of carbapenem-resistant enterobacteriaceae (CRE) outbreaks consists not only of germs producing KPC and OXA-48, endemic already, but also metallo-beta-lactamase such as NDM or VIM. In Tuscany, Italy, a multidisciplinary regional task force has extended, since NDM alert spread out, from 1st Oct 2019 the CRE screening programme, via molecular testing, to newly admitted patients in high risk settings (medical, intensive care, oncology, transplant, infectious diseases, cardiac surgery units) to fight cross-contamination. The aim of the study is to assess levels and types of CRE in an italian teaching hospital (615 beds) after the programme became effective.

Methods

The surveillance team began recording daily all the CRE positive cases, defined as laboratory confirmed colonizations/infections with CRE. Our retrospective, descriptive study covers the time span between 30th Sep - 16th Dec 2019. Cases were classified by infected apparatus and by resistance phenotype, and we calculated descriptive statistics.

Results

In total we identified 97 cases (male 60.82%, mean (+/-SD) age 71.58+/-17.34 years, 74.23% in medical wards); 5 patients had two body districts infected and 9 carried two different phenotypes. Out of 102 positive samples, 92.16% were bowel colonization, 1.96% BSI, 3.92% urinary and 1.96% respiratory. Among these, 21 were NDM (19.81%), 29 KPC (27.36%), 4 OXA-48 (3.77%), 52 VIM (49.06%). The most detected germ was Klebsiella pneumoniae (30.19%), followed by Escherichia coli (2.83%), Enterobacter cloacae (2.83%), Citrobacter freundii and braakii (2.83%), Klebsiella oxytoca (1.89%). 61 agents were unspecified (57.55%). Among the 21 NDM, 76.19% were K. pneumoniae, only one was a BSI.

Conclusions

CREs continue to be present despite constant surveillance. Although high levels of KPC-producing agents persist, the new spread of VIM phenotype is significant, highlighting, however, that the pathogen wasn't detected in over 50% of the samples.

Key messages

Despite increased surveillance, there is still a consistent portion of patients colonized with unidentified CRE. A surveillance mainly focused on NDM-producing CREs had incidentally highlighted an unexpected spread of VIM phenotype.

Six ultraviolet minutes for cleaner operating theatres

Background

Sanitizing the operating theatres (OT) is important to minimize risk of post-operative infections. Disinfection procedures between one operation and another is less aggressive than final cleaning procedures, at the end of the day. Aim was assessing the difference of contamination: i) between different levels of disinfection; ii) before and after the use of a UVC Device (UVC-D).

Methods

Between December 2019/February 2020 a cross sectional study was conducted in OT in a real clinical context. 94 Petri dishes (PD) were used in 3 OT. Three different sanitation levels (SL1-3) were compared pre- and post-use of UVC-D: i) No cleaning after surgery (SL1); ii) after in-between cleaning (SL2); iii) after terminal cleaning (SL3). UVC-D was employed for 6 minutes, 3 minutes per bed side. PD were incubated at 36 °C and colony forming unit (CFU) counted at 48h. Descriptive statistic, Wilcoxon and Mann-Whitney tests were performed to assess the contamination levels in total, pre/post use of UVC-D, and between different sanitation levels, respectively.

Results

In total we had a mean of 3.39 CFU/PD (C.I. 2.05 - 4.74) and a median of 1 CFU/PD (Min. 0 - Max. 39), after UVC-D use we had a mean of 2.20 CFU/PD (C.I. 0.69 - 5.09) and a median of 0 CFU/PD (Min. 0 - Max. 133). The UVC-D led to a significant reduction of CFU (p < 0.001). Without UVC-D we had a significant CFU drop (p < 0.05) between SL1 and SL3. Using UVC-D, we observed significant reductions of contamination (p < 0.05) between SL3 and SL1. Comparing SL1 (median 0) post UVC-D use vs SL2 pre UVC-D use (median 0.5), and SL2 post UVC-D use (median 0) vs SL3 pre UVC-D use (median 1) we had a significant reduction of contamination (p < 0.05).

Conclusions

UVC-D improved environmental contamination in any of the three sanitation levels. Furthermore, the use of UVC-D alone was better than in-between and terminal cleaning. Although these encouraging results, the cleaning procedures executed by dedicated staff has to be considered.

Key messages

UVC are efficient to decrease contamination in operating theatres regardless of sanitation levels. The additional use of UVC technology to standard cleaning procedures significantly improves sanitation levels.

Sliding doors: how their opening affects particulate matter levels?

Background

The operating theatres (OTs) have adequate conditions to perform safe operations and to prevent surgical site infections. Opening doors can compromise these situations. Measurement of particulate contamination is a key point to check the effectiveness of preventive measures in the OTs. We analysed how openings impact in different type of OTs.

Methods

Between January/February 2020 a transversal study was conducted in 5 different types of OTs in a university hospital. Two had laminar flows, with 55 and 60 air changes/h; three had turbulent flows: OT-A (18 air changes/h, with 4 inlets from the ceiling), OT-B (23 air changes/h and air flow from the ceiling plenum), OT-C (16 air changes/h, air flow directed from one wall to the opposite wall and the main door laterally to the flow). Particulate matter (PM) measurements were carried out in 7 different points in each OT, alternating two conditions: a) doors closed; b) opening/closing the main door twice per minute. For each spot, in each condition, we recorded for several minutes the following parameters: particles (0.3, 0.5, 1, 3, 5, 10µ), room temperature (Ta), Relative Humidity (Rh), airspeed (Va). Comparison with the Wilcoxon test were made using STATA 14.

Results

In laminar flow, classified with better ISO levels (4), opening and closing the door the PM, for any size, increased not significantly (p > 0.05). The OTs with turbulent flows (ISO 5-6) had a higher particulate level than the laminar ones and greater variations with door openings. OT-A worsened significantly for all particles (p < 0.05) closing/opening the door. In contrast, OT-B and OT-C had a significant reduction of PM (p < 0.05). All 5 OTs had pressure falling to 0 at door opening; Ta, Rh and Va may be affected by different type air flows and design.

Conclusions

OTs parameters during door openings are influenced by different ventilation systems and room design. Laminar flows OTs are less affected, but innovative turbulent flows OTs can be just as effective.

Key messages

The operating rooms are affected by the door opening. Laminar flows operating rooms are less influenced by door openings than turbulent flows ones. Turbulent flow rooms have different performance depending on their construction characteristics.

Tuning a UV-C device to challenge new threats in the sanitization setting of healthcare facilities

Background

Environmental hospital hygiene plays a role in healthcare-associated infections emergency caused by resistant multi-drug organisms. The implementation of new and effective disinfection procedures is now more than ever important to prevent the cross-transmission of pathogens in the hospital facilities. In combination with common chemicals biocides, UV technology is a realistic option for environmental disinfection. In this study, we evaluate a UV device for its effectiveness on an emerging pathogen.

Methods

A laboratory cross section experiment was performed between August and October 2019. Two different strains of Candida auris (CBS 10913 and CBS 12372) were tested on 20 cm2 stainless steel carriers inoculated with 10 µl of bacterial culture at a concentration of 1x105 CFU/mL. The inoculum was spread until dry in aseptic condition. Carriers were placed parallel to the UV device, having 4 UV-C lamps that emit 325 W, at a fixed distance of 2.44 m. Biocidal tests were carried out in triple at three different light exposure times (5, 10 and 20 minutes). After treatment, laboratories procedures were used to detach and transfer the remaining microorganisms from the carriers to plates and compared them to controls after incubation at 37 °C for 48 h.

Results

A significant inactivation of C. auris already occurred at 5 minutes, reaching 3-4 log10 reduction at 20 minutes of UV-C exposure. No substantial differences were identified by analyzing the results between the two strains.

Conclusions

The chosen distance of 2.44 m from the target allows to ideally sanitize an entire hospital room. However, to avoid the limit of shaded areas due to the presence of non-movable objects, a couple of positions are recommended, so that shorter distances can reduce the exposure time or increase the average irradiance level of exposed surfaces.

Key messages

In sanitation of hospital environments, the use of viable alternatives as UV-C can contribute to the reduction of infections caused by multidrug-resistant microorganisms. Accurate testing of different space-time irradiation configurations allows to achieve important results related to the biocidal effects of UV devices.

A simulation model of microbe overlapping for the correct estimation of UV-C device log-reduction

Background

Candida auris is an emerging pathogen responsible for several outbreaks within healthcare facilities. It can be found on hospital surfaces and patient care devices. UV- C sanitisation may constitute an effective adjunct to routine room cleaning to prevent the spreading of this yeast. Previous findings with this technology suggest to investigate different sources of variability in the study of the biocidal effect of UV devices on C. auris. In this study we develop a computer simulation of surface distribution of microorganisms on a stainless steel carrier, to optimize UV-device experiments.

Methods

Based on the literature about C. auris studies and its estimated average size (about 5 μm diameter), several Matlab simulations have been performed to include as many microorganisms as possible to be ideally placed on a 20 cm2 stainless steel support, avoiding cell overlapping. This was done in order to maximize the effectiveness of UV exposure.

Results

Two initial simulations were performed to evaluate a random arrangement of a very large number of microorganisms (8x107 CFU) on the steel support, widely overlapped. In this case, due to the poor UV-C penetrability, we would not exceed two log10 reduction. By randomly distributing 1x106 CFU, the probability of overlapping was about 1.3%, but even a partial overlap limits the log10 reduction. By randomly distributing 1x105 CFU, the overlaps were at least 10 times less likely.

Conclusions

The simulation results allowed us to evaluate the most appropriate microorganism distribution model able to optimize the biocidal effects of UV-C devices. The overlapping of microorganisms reduces UV-C penetrability. Our simulated study is consistent with literature results where we observed a lower log-reduction by increasing the concentration of microorganisms and therefore the probability of overlapping. The resulting model would simulate any log-reduction scenario, at any distance and any concentration, with and without overlapping.

Key messages

The complete or partial microorganism overlapping plays a relevant role in the outcome of UV-C biocidal experiments. To identify the exponential CFU reduction curve and estimate accurately the inactivation rate constant, simulated experiments should be performed to assess the real effectiveness of UV devices.

Simulated operating room aerodynamics to improve air quality and prevent surgical site infections

Background

Proper operating room (OR) ventilation and air filtration are important measures to prevent infection of the surgical site and consequently reduce hospital stay and healthcare costs. In order to identify how changes in the air system can affect air quality, tailor-made researches need to be conducted in ORs. The aim of the study is to verify how a mobile air filtration system can affect the air quality of ORs when placed in different positions.

Methods

This is a descriptive study conducted during April and May 2018 in the University Hospital of Siena, Italy. We measured air flows through the vents of both the OR air system and a mobile novel air system unit, which includes a patented crystalline ultraviolet C reactor and an HEPA filter. Using a CAD 3D simulation software (SolidWorks 2017) the air flows interactions were simulated in the replicated OR.

Results

The device influenced the original airflows generated by the integrated OR ventilation system. Simulations have shown that when the device is positioned close to the wall with its intake beside the entrance and its outlet towards the operating table, air from outside can enter the room because the air intake from the device prevails over the internal pressure of the OR, increasing contamination. If the device is placed near the OR centre with its suction towards the operating table and its outlet towards the OR entrance, if the door is opened, airflows towards the outside of the room prevail, improving ability to retain outgoing contaminants.

Conclusions

The different positioning of mobile devices that generate clean air flows within ORs can have a significant impact on aerodynamics, which can turn can affect critical aspects of the surgical outcome. In order to achieve an effective device placement and orientation, OR-specific environmental measurements should be carried out.

Key messages

Movable devices may help boosting the performance of air systems in operating rooms. Every operating room needs a specific study in order to obtain the best profit.

Operating Rooms efficiency: leveraging data to improve management of elective surgery

Background

Careful scheduling of elective surgery Operating Rooms (ORs) is crucial for their efficient use, to avoid low/over utilization and staff overtime. Accurate estimation of procedures duration is essential to improve ORs scheduling. Therefore analysis of historical data about surgical times is fundamental to ORs management. We analyzed the effect, in a real setting, of an ORs scheduling model based on estimated optimum surgical time in improving ORs efficiency and decreasing the risk of overtime.

Methods

We studied all the 2014-2019 elective surgery sessions (3,758 sessions, 12,449 interventions) of a district general hospital in Siena's Province, Italy. The hospital had3 ORs open 5 days/week 08:00-14:00. Surgery specialties were general surgery, orthopedics, gynecology and urology. Based on a pilot study conducted in 2016, which estimated a 5 times greater risk of having an OR overtime for sessions with a surgical time (incision-suture)>200 minutes, from 2017 all the ORs were scheduled using a maximum surgical time of 200 minutes calculated summing the mean surgical times for intervention and surgeon (obtained from 2014-2016 data). We carried out multivariate logistic regression to calculate the probability of ORs overtime (of 15 and 30 minutes) for the periods 2014-2016 and 2017-2019adjusting for raw ORs utilization.

Results

The 2017-2019 risk of an OR overtime of 15 minutes decreased by 25% compared to the 2014-2016 period (OR = 0.75, 95%CI=0.618-0.902, p = 0.003); the risk of a OR overtime of 30 minutes decreased by 33% (OR = 0.67, 95%CI= 0.543-0.831, p < 0.001). Mean raw OR utilization increase from 62% to 66% (p < 0.001). Mean number of interventions per surgery sessions increased from 3.1 to 3.5 (p < 0.001).

Conclusions

This study has shown that an analysis of historical data and an estimate of the optimal surgical time per surgical session could be helpful to avoid both a low and excessive use of the ORs and therefore to increase the efficiency of the ORs.

Key messages

An accurate analysis of surgical procedures duration is crucial to optimize operating room utilization. A data-based approach can improve OR management efficiency without extra resources.

The impact of mortality for infectious diseases on life expectancy at birth in Tuscany, Italy

Introduction

The epidemiologic transition describes the reduction of mortality for infectious diseases (ID), followed by an increase in prevalence of non-communicable diseases. During recent years the situation has changed; an increase in mortality for sepsis was observed. Italy is amongst the countries with the highest prevalence of microorganisms resistant to antimicrobial therapy in Europe. The aim of the present work was to evaluate the impact of mortality for ID on life expectancy (LE) in the Tuscany region(Italy).

Methods

Mortality data relative to residents that died during the period 2000/2002- 2013/2015 were provided by the Tuscan Regional Mortality Registry. At first the analysis was performed for whole territory, then for geographic area (Nord-Est:NE, Centrum:C, South-East:SE). The analysis was realized with software Epidat,using the Pollard's method of decomposition of variations in LE for age and cause

of death.

Results

The overall gain in LE was 2.9 years for males and 2.6 years for females. The increase in mortality for ID was responsible for the loss of 0.11 years of LE for males vs. 0.16 years for females. The loss was observed in males aged 45-89, for females from 69 years onwards, with the highest loss between 79-89 years. After analysis for area, geographical differences emerged, for both males and females the highest loss of LE was observed for NE (-0.23 years vs.-0.19), followed by C (-0.15 years vs. -0.16) and SE (-0.12 vs. -0.11).

Conclusions

The result can be partially explained by the transition from ICD-9 to ICD-10 (in 2010), which improved the sensitivity of codification, but also by diffusion of pathogens resistant to antimicrobial therapy. The highest impact of ID was observed in elderly, probably due to the existence of predisposing clinical condition. The ID deserve major attention; the programmes of hospital infection control and antimicrobial stewardship have to be potentiated in order to contain the phenomenon.

Key messages

During the study period an increase in mortality for infectious diseases comported the loss in terms of LE years. The growing diffusion of microorganisms resistent to antimicrobial therapy could have contributed to the higher mortality rates observed during the last period.

Analytical approach for a better control of environmental contamination

Background

The environment of hospital rooms plays a role on Hospital Acquired Infections. Objects may be repository of germs and have a role on cross contamination, mainly in high-touch surfaces. Proper sanitation and disinfection procedures are needed.

Aims

i) to highlight the different probabilities of microbial contaminations in Hospital, ii) to assess whether the use of a UVC device (UVC-D), after standard disinfection procedures, improves the level of hygiene.

Methods

Between November 2019 and February 2020 a cross sectional study in a real clinical context was conducted. Investigations were carried out in double rehabilitation rooms with patients admitted for at least 48h. 16 preliminary Petri dishes (PD) were used in one rehabilitation room and bathroom, to assess the contamination level after deep disinfection procedures (T0). Matched comparisons were made after the use of UVC-D, 3 points/room and 1 point/bathroom, 3 minutes each(T1). At T0 we estimated the probability of contamination to select the following sampling. Six rooms and bathrooms were investigated using randomized spots. PD were incubated at 36 °C and colony forming unit (CFU) counted at 48h. Descriptive statistic and Wilcoxon test were performed to assess the levels of contamination between (T0) and (T1).

Results

At T0 we have a mean of 5.83 CFU/PD (CI 3.79-7.86) and a median of 1.0 CFU/PD (min 0 - max 118); at T1 mean is 0.28 CFU/PD (CI 0.15-0.40) and median of 0 CFU/PD (min 0-max 5). Significant reduction of contamination was achieved between T0 and T1 (p < 0.001). 83,33% of the contamination sites had 0 CFU/PD after using UVC-D.

Conclusions

The probability approach has driven the selection of the highest contaminations spots. Standard disinfection, followed by using UVC-D, significantly reduces contamination assuring a lower probability of cross contamination and risk of infection.

Key messages

Analytical approach to assess the contamination level of room to address with greater precision the points with higher risk of cross contamination. The UVC technology assures better results when associated with standard sanitation procedure decreasing the risk of hospital acquired infections.

Increasing efficiency for reducing elective surgery waiting times: a multi-interventions approach

Background

Elective surgery long waiting times are a common problem in publicly funded health systems. They have been tackled allocating additional resources or using existing resources more efficiently but results are patchy. We studied the effectiveness of a multi-interventions project based on the reorganization of existing capacity.

Methods

In a district general hospital (Siena's Province, Italy) with 150 beds, 4 elective surgery operating rooms (ORs) opened 6 hours/day 5 days/week (surgery specialties: general surgery, orthopedics, gynecology and urology) in October 2018 a project for reducing surgery waiting times was implemented based on 3 key points: i) separation of the Day Surgery (DS) flow from that of the ordinary activity; ii) increase of available operating time through reorganization of personnel: 30 additional hours/week were made available; iii) allocation of operating sessions flexibly in proportion to the waiting list: the made-available hours were redistributed through an algorithm able to estimate the optimal allocation of surgical time blocks to minimize the length of waiting lists, taking account of the interventions priority class. The waiting time of the out from 1/10/2019 to 31/12/2019 (N = 635) was compared with that of the interventions carried out from 1/10/2018 to 31/12/2018 (N = 634) using t-test.

Results

Waiting times for non-urgent cases (that can be operated beyond 30 days) were significantly reduced for all specialties (p < 0.01) except urology. For general surgery, orthopedics and gynecology, DS interventions' mean waiting time decreases from 198 to 100 days (-50%) that one of ordinary interventions from 213 to 134 days (-37%). Waiting time for urgent cases (to be operated within 30 days) was also reduced.

Conclusions

A multi-interventions project based on using existing capacity (personnel and structures) more efficiently and improving planning methodologies resulted to be strongly effective in reducing waiting times for elective surgery.

Key messages

To effectively reduce surgical waiting times, a strategy is needed that involve the entire process: from surgical planning, to staff and structures organization. The flexible OR time allocation on the base of the waiting list is a key point to improve surgery planning and reduce waiting list.

The Italian well-being: a race against time

Background

Well-being is the result of many factors such as health, happiness, expectations, values. Italy has been one of European countries that in recent years has suffered most combination of economic, political and social stress, with consequences on well-being. The aims of study are i) to examine health and happiness perceptions of young adults ii) to compare actual results with a previous survey conducted in 2004.

Methods

A descriptive cross-sectional study was conducted between Jan-Dec 2017. A validated questionnaire was administered from the Italian Centre for Social Investment (CENSIS) to 1,003 young Italians, aged 18-40. The anonymous questionnaire investigated emotional aspects, health status, social life and socioeconomic status. The statistical analysis (chi-square p < 0.05) was carried out to evaluate the association between the items of the questionnaire and variables such as age, sex, education level, income, work status, Marital Status (MS), Self-Confidence (SC), social-life.

Results

The sample resulted quite happy (2017 vs 2004:56.1% vs 63.7%), the happiness increasing with the socio-economic level and appearing to be related to work status, MS, SC and income (p < 0.05). Good or excellent health were reported by 89.8% (2004:86.1%) with a decrease in older age, and significant differences for all studied variables (excluded MS). Although the majority declared to be satisfied with their social life (2017 vs 2004:73.4% vs 85.7%) and economic status (2017 vs 2004:49.8% vs 70.7%), the future still seems uncertain, with respondents unabled to make predictions about work (2017 vs 2004:49.9% vs 19.8%) or when having children (2017 vs 2004:44.6% vs 61.2%).

Conclusions

Quality of life of Italians is still satisfactory, with a good degree of happiness and health, despite a clear decrease compared to 2004. The survey highlights that young people continue to perceive the future as uncertain, mainly due to job instability, with difficulty planning their lives.

Key messages

In ten years the Italian well-being has been reduced, despite the perceived level of happiness and health still being positive. The lack of job opportunities, the awareness of employment instability are the main causes of the lack of confidence in the future.

How much general practitioners empathize with patients?

Introduction

Thanks to the privileged relationship that the general practitioner establishes with patients, he well knows their personal background and assesses the disorders as a whole, without focusing only on unique pathology. The aim of the work were: I) to assess the level of concordance between the health profile (HP) of the patient measured by the doctor and that measured by the patient, and II) to and assess which variables influence the perception.

Methods

A cross-sectional study was conducted between Aug 2019-Jan 2020 in a primary care setting. To assess health-related quality of life we administered the EuroQol 5d-5L to patients (EQ-p). Simultaneously, we asked the doctors to fill in the questionnaire 'from the patient's point of view' (EQ-d), also based on data collected in the computerized clinical diary. Data was collected anonymously and the statistical analysis was carried out using Stata 14 (Cohen's kappa; Fisher test).

Results

The sample consisted of 223 patients (46% men). The mean age was 56.5±19.6 (min 18-max95). The mean BMI was 25.5±5 (28% overweight; 18% obese). Significant differences by gender were found in Pain and Anxiety/Depression dimensions (44% of men had not pain vs 33% of women (p = 0.03) and 56% of men had no Anxiety/Depression vs 36% of women (p < 0.01)). These differences were not detected by doctors; As regards the concordance between EQ-p and EQ-d, it was moderate for Mobility (k = 0.45; p < 0.01) and Self-Care (k = 0.46; p < 0.01). The agreement was fair for usual activities (k = 0.39; p < 0.01) and it was poor for Pain/Discomfort (k = 0.14; p < 0.01), Anxiety/Depression (K = 0.19; p < 0.01) and EQ Index (k = 0.11 p < 0.01).

Conclusions

Our analysis shows a greater concordance especially for the dimensions that appear more objective (Mobility and self-care) than the subjective ones (Pain, Anxiety). The physicians do not seem to take into account the differences in perception between men and women when they empathize with patients.

Key messages

The general practitioner knows the personal history of his patients and assesses the disorders as a whole, without focusing only on the specific pathology. In the exercise of the identification, he seems to understand mainly dimensions that appear more objective without grasping the differences in perception between men and women.

Every cockroach is beautilful to the eyes of his mother? Parent’s perception of child’s BMI

Background

Childhood obesity is becoming a social health problem in the western world and an important goal is to analyze and correct risk factors. Part of the problem could be determined by a different perception of the weight. We aim to determine the association between children's BMI and the parent's perception of their Health Status.

Methods

In October 2019 we conduced a cross sectional study in which a questionaire was administrated to the parents of primary and secondary schools children in South-East Tuscany, Italy. Eating habits, lifestyle and biometric data were collected from children and their parents. 4324 persons were included. We used Stata for descriptive and inferential analysis. Cohen's Kappa was used to find the correlation between variables.

Results

Analysis was carried out on 1421 complete questionnaires. We found that most of parents have a wrong perception of weight's children. 88.3% of parents who have obese children belive that his child is normal weight or only “a little overweight” and only 11.7% have a perception of their child's obesity. 67.6% of parents who have overweight children, belive that their child is normal weight. While among underweight children, 74.3% of parents belive that their child is normal weight. Cohen's kappa show poor agreement between real and perceived BMI (K = 0.26; p = 0.0001).

Conclusions

Our results show, among the overweight children, there is a misperception in the weight of the child by the parents, uniformly with the data present in the literature. Acquisition of healty behavior during childhood is extremely important for the state of health in adulthood and for avoiding the onset of associated diseases. Therefore, food education becomes a crucial objective for the future of our country: an essential goal is to create prevention programs addressed to children and parents to increase consciousness of the correct weight and the diseases that can result from bad nutrition.

Key messages

Many parents have a misperception of the weight of their children. It is crucial to educate parents to control their children's weight to avoid the onset of metabolic diseases. Increase consciousness in children and parents of the correct weight should become extremely important to avoid the onset of disease in adulthood.

Know your enemy, fight the outbreak: an Italian experience

Issue

The New Delhi-Enterobateriaceae producing metallo-beta-lactamase NDM, resistant to carbapenems, are responsible of hospital outbreaks. The European Centre for disease prevention and control has published a report about the NDM outbreaks in Italy. Knowledge and application of all types of precautions is necessary to obtain adequate control.

Description

Between June and August 2019 an outbreak of Klebsiella pneumoniae producing NDM-1 occurred in an acute cardiac surgery setting from medium to high intensity, in a third level-hospital in Italy. Every patient with at least one positive typing test for NDM in clinical specimens was defined as a case. The infection control team sought patient 0, reviewed patients' daily records and created a timeline to control movements, verifying risk factors and time to positivity. The correct application of isolation and standard precautions was assessed. Auditing and training sessions were carried out. Our aim is to verify if these actions sufficed to control and halt the outbreak.

Results

Fourteen cases were identified, mean age=66.28 (SD = 13.55), 71.43% of them had a previous negative test. Positivity was found in samples from 13 rectal swabs (prevalence 12.38%), 7 lung aspirates, 3 urine cultures, 2 blood cultures and 2 wound swabs. Eight patients were positive in multiple body districts, 5 have been admitted to the same hospital within the year before, 3 came from other hospitals. The patient 0 has been moved in from a medical ward. After auditing, a training class was given to healthcare staff. The class concerned NDM phenotype, hand hygiene, isolation and personal protective equipment, with further observation in wards. In the following three months no new cases were registered.

Lessons

A continuous high-level adherence to standard precautions and hand hygiene by healthcare staff should be supported by adequate training. This is confirmed to be a strong action to prevent or stop cross-contamination.

Key messages

Colonization of multiresistant germs in healthcare due to cross-contamination has to be tackled promptly. Auditing and training actions should be taken into serious account in order to ensure an effective reaction from healthcare staff.

Antibiotic consumption and healthcare associated infection in a third level Italian hospital

Background

The extended length of stay (LoS) is one of the main causes of hospital infections (HAI), followed by an increase in antibiotics consumption. The final step is the development of multiresistant microorganisms, with a consequent increase in costs for the national healthcare system. Aim of this study is to evaluate the prevalence of HAI and to analyze ATB consumption in a teaching hospital

Methods

Between 17-21 June 2019 the infection control team collected the clinical records of 425 patients to perform a point of prevalence analysis (PPA). Eligible patients were hospitalized in surgical and medical wards of the teaching Hospital (615 beds) in Siena, Italy. For each patients according to guidelines of European Centers for Disease Control and Prevention (ECDC 4.2) we searched for evidence of HAI and for all indication of ATB consumption. Data were processed using Stata12

Results

Overall 425 patients have been analyzed (48.24% female), mean age was 60.88 (SD 26.11) years, mean LoS 8.37 (min 1 max 86) days. Patients were admitted mostly in General Medicine wards (48.94%); 34% underwent surgery. 63.8% of patients had Peripheral Venous Catheter, 20% Central Venous Catheter and 31.06% Urinary Catheter. Twenty-nine HAI were discovered (PPA 6.82%); the higher prevalence (19.23%) was in Intensive Care Unit. LoS (OR:1.07;IC95%1.04-1.1) and devices (OR:2.17;IC95%1.39-3.37) were the two variables that significantly influenced the infection risk. Forty-six percent of all patients received ATB, the most used were third generation Cephalosporines (26,18%), followed by Penicillines (24,73%). The main use was to treat community infections (62.12%), followed by medical prophylaxis (30.81%)

Conclusions

PPA of HAI was 6.82%, comparable to 2017 national PPA (6.5%); prolonged LoS is probably the main cause of this result. Our analysis showed that ATB consumption was quite high, in agreement with the Italian prevalence (44.9%), but the percentage of medical prophylaxis was still high.

Key messages

The way to achieve the health care infection control is still long, the length of the hospitalization could be a field to be improved. High consumption of antibiotics for prophylaxis is still the main point to fight in the battle against the multiresistant microorganisms.

The Switch from NF-YAl to NF-YAs Isoform Impairs Myotubes Formation

NF-YA, the regulatory subunit of the trimeric transcription factor (TF) NF-Y, is regulated by alternative splicing (AS) generating two major isoforms, “long” (NF-YAl) and “short” (NF-YAs). Muscle cells express NF-YAl. We ablated exon 3 in mouse C2C12 cells by a four-guide CRISPR/Cas9n strategy, obtaining clones expressing exclusively NF-YAs (C2-YAl-KO). C2-YAl-KO cells grow normally, but are unable to differentiate. Myogenin and—to a lesser extent, MyoD— levels are substantially lower in C2-YAl-KO, before and after differentiation. Expression of the fusogenic Myomaker and Myomixer genes, crucial for the early phases of the process, is not induced. Myomaker and Myomixer promoters are bound by MyoD and Myogenin, and Myogenin overexpression induces their expression in C2-YAl-KO. NF-Y inactivation reduces MyoD and Myogenin, but not directly: the Myogenin promoter is CCAAT-less, and the canonical CCAAT of the MyoD promoter is not bound by NF-Y in vivo. We propose that NF-YAl, but not NF-YAs, maintains muscle commitment by indirectly regulating Myogenin and MyoD expression in C2C12 cells. These experiments are the first genetic evidence that the two NF-YA isoforms have functionally distinct roles.

Nutritional intervention with cyanidin hinders the progression of muscular dystrophy

Muscular Dystrophies are severe genetic diseases due to mutations in structural genes, characterized by progressive muscle wasting that compromises patients' mobility and respiratory functions. Literature underlined oxidative stress and inflammation as key drivers of these pathologies. Interestingly among different myofiber classes, type I fibers display a milder dystrophic phenotype showing increased oxidative metabolism. This work shows the benefits of a cyanidin-enriched diet, that promotes muscle fiber-type switch and reduced inflammation in dystrophic alpha-sarcoglyan (Sgca) null mice having, as a net outcome, morphological and functional rescue. Notably, this benefit is achieved also when the diet is administered in dystrophic animals when the signs of the disease are seriously evident. Our work provides compelling evidence that a cyanidin-rich diet strongly delays the progression of muscular dystrophies, paving the way for a combinatorial approach where nutritional-based reduction of muscle inflammation and oxidative stress facilitate the successful perspectives of definitive treatments.

The applicability of methods for assessing comorbidities: The Cumulative Illness Rating Scale (CIRS)

Introduction

It is essential to compare the results of medical care in patients suffering from multiple, and complex diseases. CIRS is a risk adjustment tool useful for assessing patients’ comorbidities although it needs to be used with precision following guidelines. The aim of this research is to assess whether organised seminars, planned to motivate the clinicians for correct data compilation, have an effect on the concordance of scores on the CIRS scores.

Methods

A prospective, pilot study started in November 2018 on a sample of 49 patients admitted to a private clinic between December 2018 and February 2019. In the context of a seminar, an Resident Physician in Public Health (RP), distributed and explained the CIRS guidelines to the clinicians. CIRS scores were then calculated by the ward physicians and compared with those of the RP who successively analysed the same medical records. The inter-rater agreement was calculated through Cohen’s kappa coefficient (κ), using Stata 14.2.

Results

Concordance was excellent or almost perfect or substantial for 8 out of 14 categories: heart disease (k = 0.82), genitourinary disease (k = 0.90) blood pressure category (p = 0.72), sense organs (k = 0.75), upper gastrointestinal system (k = 0.70), lower gastrointestinal system (k = 0.76), musculoskeletal system and skin (k = 0.66), central nervous system (k = 0.69), endocrine system and breast (k = 0.63) and psychiatric diseases (k = 0.63). The agreement was moderate for the respiratory system (k = 0.48) and for the liver (k = 0.57), and was fair for Severity Index, Comorbidity Index and the vascular system (k = 0.24, k = 0.38 and k = 0.28 respectively).No Concordance in renal diseases (k = 0.00).

Conclusions

Overall, the agreement of the scores between RP and clinicians was good, and it was possible to analyse the main weaknesses and difficulties of the clinicians. Subsequent seminars will be done to increase over time the concordance of the surveys.

Key messages

Organized seminars, planned to motivate clinicians to correctly compile the CIRS scores, were effective. The inter-rater agreement was good. Subsequent seminars will be done to increase over time the concordance of the surveys.

A mobile device to reduce airborne particulate and prevent surgical site infections

Background

Surgical Site Infections (SSI) are the second main cause of Hospital Acquired Infections (HAI) in Europe and in the United States (US). In US and Europe hospitals the overall annual medical costs of HAI is about $40 billion and the SSI represent a relevant part of this spending. It is known that air particulate is a carrier of pathogen bacteria. The aim of this study is to verify if a mobile unit for air particle filtering can improve the environmental airborne conditions of an operating room (OR).

Methods

We carried out a cross sectional study in March 2018 in an Italian University Hospital. A novel mobile device to purify air was tested during surgical procedures. It is provided with: an air decontamination-recirculation system unit; a patented crystalline ultraviolet C reactor; a highly efficient particulate air filtering. The environmental contamination has been monitored in the following phases: I) device off and OR at rest; II) device off and OR in operational; III) device on and OR in operational; IV) device off and OR in operational. We used a particle counter to measure airborne particles of different sizes: 0.3; 0.5; 1.0; 3.0; 5.0; 10 µm. Air samples were withdrawn in four spots of the OR periphery. Wilcoxon rank test was used for the statistical analysis setting the significance level to 95% (p < 0.05).

Results

From phase II (device off) to phase III (device on), there was a reduction of any particulate matter size, ranging from 50% to 73% (p < 0.05). When the device has been turned off again (phase IV), particle dimensions of 0.3, 0.5, 1.0 and 3.0 µm were lower in the percentage range of 51-62% (p < 0,05). Particle dimensions of 5 and 10 µm were also lower in the range of 56% and 76%, respectively.

Conclusions

During mobile device operation, the amount of particulate matter remains significantly lower, reducing the probability of SSI.

Key messages

Air particulate in surgical room may play a role in preventing Surgical Site Infections. The mobile device was able to significantly improve air quality during real operation conditions.

The decomposition of life expectancy for age and cause of death in Tuscany, Italy

Introduction

Changing of life expectancy at birth (LE) over time reflects variations of mortality rates of a certain population. Italy is amongst the countries with the highest LE, Tuscany ranks fifth at the national level. The aim of the present work was to evaluate the impact of various causes of death in different age groups on the change in LE in the Tuscany region (Italy) during period 1987-2015.

Material and methods

Mortality data relative to residents that died during the period between 1987/1989 and 2013/2015 were provided by the Tuscan Regional Mortality Registry. The causes of death taken into consideration were cardiovascular (CVS), respiratory (RESP) and infective (INF) diseases and cancer (TUM). The decomposition of LE gain was realized with software Epidat, using the Pollard’s method.

Results

The overall LE gain during the period between two three-years periods was 6.7 years for males, with a major gain between 65-89, and 4.5 years for females, mainly improved between 75-89, <1 year for both sexes. The major gain (2.6 years) was attributable to the reduction of mortality for CVS, followed by TUM (1.76 in males and 0.83 in females) and RESP (0.4 in males; 0.1 in females). The major loss of years of LE was attributable to INF (-0.15 in females; -0.07 in males) and lung cancer in females (-0.13), for which the opposite result was observed for males (gain of 0.62 years of LE).

Conclusions

During the study period (1987-2015) the gain in LE was major for males. To the reduction of mortality for CVS have contributed to the tempestuous treatment of acute CVS events and secondary CVS prevention. For TUM the result is attributable to the adherence of population to oncologic screening programmes. The excess of mortality for INF that lead to the loss of LE can be attributed to the passage from ICD-9 to ICD-10 in 2003 (higher sensibility of ICD-10) and to the diffusion of multi-drug resistant bacteria, which lead to elevated mortality in these years.

Key messages

The gain in LE during the period the 1987-2015 was higher in males. The major contribution to gain in LE was due to a reduction of mortality for CVS diseases.

Risk factors associated with repeated voluntary termination of pregnancy in Tuscany, Italy

Introduction

In Italy, voluntary termination of pregnancy (VTP) was introduced in 1978 with law n°194, it guarantees autonomy of choice and avoids the practice of unsafe abortions, health complications and death. The aim of this work was to analyse variables associated with repeated VTP.

Methods

A cross-sectional study was realized, with data relative to VTP acquired in the period 2016-2018 in Tuscany South-East area (Italy). Data on age, nationality, civil state, education level and n° of living children were extracted from the information system in April 2019. A descriptive analysis was conducted using Stata.

Results

The sample consisted of 3451 females (65% Italian). The average age was 31.1±7.3 years. The majority of females (53%) had medium-high education level (non-Italian females had more frequently low education level: 48% vs. 28%, chi-2; p<0.001). The 57% were unmarried, mostly Italian (64% vs. 43%). The majority (62%) already had child (26% one, 36% two or more). Females with repeated VTP represented 25% and were significantly older (32.1 ±6.4 vs. 30.7±7.6; p<0.001). The non-Italian females (OR = 2.15; 95%CI 1.8-2.6; p<0.001) and females that already have children (OR = 2.4; 95%CI 2.02-2.9; p<0.001) had higher probability of having a VTP in the past. The multivariate analysis showed lower probability of repeated VTP for married women (OR = 0.49; 95%CI 0.42-0.64) and women with higher education level in confrontation to those with an elementary education (OR = 0.3; 95%CI 0.18-0.62). The variables associated with higher probability of VTP were age (OR = 1.02; 95%CI 1.01-1.04), nationality (OR = 2.0; 95%CI 1.7-2.4) and children (OR = 2.4; 95%CI 1.9-3).

Conclusions

Females with repeated VTP were older, have already children and were more frequently of non-Italian nationality. The reduction of VTP should be one of major objectives of public health as in has negative consequences on women’s health. The targeted public health intervention could be a solution of this situation.

Key messages

Females with multiple VTP were older, already had children and were more frequently of non-Italian nationality. Targeted public health interventions could be effective in reducing the number of VTP.