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BC: Articoli scritti da A. Aita

La Medicina di Laboratorio: gli specialisti di domani
Laboratory Medicine: specialists of tomorrow
<p>Laboratory Medicine rides the wave of technological progress, the metamorphosis of information systems and data management. The Young Specialist is not a mere observer, but rather takes a leading role in this change, taking advantage of the opportunities offered by &ldquo;omics&rdquo; technologies, capturing new ideas and innovative stimuli that lead to a new concept of work and research oriented to health and prevention. Thanks to the support of international web platforms, training and exchange programs supported by the International Scientific Societies and Federations that favor professional and scientific growth, Young Scientists work in a global context. In this scenario, the SIBioC Young Scientists Study Group, with the auspices of SIBioC, EFLM and IFCC, organized a meeting on &quot;Laboratory Medicine: Specialists of tomorrow&quot; with the aim of discussing and highlighting some of the most important challenges, such as technological progress, training and internationalization of young people. Finally, the future of laboratory medicine looks at a multidisciplinary approach that leads to integrated diagnosis, identification of the frail patient, the use of the Point of Care Testing as an indispensable tool in crisis areas, making the dialogue between physician and laboratory specialist a fundamental step for the diagnosis and treatment with the final aim of a better outcome for the patient.</p>
Biochimica Clinica ; 43(4) 424-434
Documenti - Documents
Garantire la comparabilità dei risultati nel rispetto dei requisiti di qualità e delle esigenze organizzative: l’esempio di una procedura operativa
How to guarantee the comparability of test results in compliance with the quality requirements andorganizational needs: the example of an operative procedure
<p>Medical laboratories are responsible for the qualityof test results, also when the same patient sample is evaluated using different analytical systems within the same lab.Indeed, as stated by ISO 15189:2012, laboratories should define means to compare procedures for evaluating thecomparability of patients&rsquo; samples results within the same healthcare system. In this study we report the approachused to define a procedure for assessing results comparability, developed in our laboratory before the ISO15189:2012 accreditation in 2016. Firstly, the approach was focused on the identification of all the different situationsthat may potentially require alignment of test results within the laboratory. Therefore, after evaluating guidelines anddocuments available in the literature, we defined a workflow applicable both to quantitative and qualitative methods.For quantitative methods, bias was estimated by means of statistical analyses such as Bland Altman and PassingBablok. For qualitative methods, results comparability was assessed by concordance. Criteria for defining theacceptability of systematic errors were also included in the procedure.</p>
Biochimica Clinica ; 43(2) 135-142
Contributi Scientifici - Scientific Papers
Sicurezza del paziente e rischio clinico nel processo ematologico di laboratorio
Patient safety and clinical risk in the clinical laboratory haematological process
<p>&nbsp;Patient safety, defined as the prevention of harm to patients, is the ultimate goal for medical laboratories. Risk management principles should therefore be considered an integral part of laboratory processes, especially of those activities directly impacting on patient care. This work aims to identify the most critical phases of haematological process and the risk reduction actions that improve patient safety. Risk analysis of the laboratory haematological process was carried out through Failure Mode, Effects and Analysis Criticality methodology. A form including the phases of the process, error modes and their possible effects, errors occurrence, detectability and severity scores and risk index (RI), has been prepared and sent to eight Italian laboratories. A multidisciplinary team performed the analysis in each laboratory, then two team leaders of the project comprehensively analysed the collected data. The process was divided in 8 phases (medical prescription, request acceptance, sample collection, transportation, reception and processing, results reporting and validation), 25 activities (17 pre-analytical, 4 intra-analytical, 4 post-analytical) and 43 failure modes. RI, calculated for each activity, ranged from 11 to 33. The most critical topics (RI &gt;25) were: patient identification, peripheral blood smear review, interpretative comments and report validation. Staff training plays a central role in the entire laboratory haematological process and in the phases identified as critical. An effective management related to the attainment and maintenance of skills represents the best action in order to reduce risks of adverse events for patients. The promotion of procedures aimed to harmonize the interpretative comments and peripheral blood smear review is also pivotal</p><p>&nbsp;</p>
Biochimica Clinica ; 42(4) 300-312
Contributi Scientifici - Scientific Paper
La check list in medicina di laboratorio quale strumento di assicurazione della qualità e sicurezza del paziente: l'esempio del prelievo venoso
Check-list in laboratory medicine: an important tool to improve patient safety. The blood collection
A. Aita  |  R. Marin  |  C. Pozzato  |  E. Piva  |  L. Sciacovelli  |  M. Plebani  | 
<p>This work aims to describe the results concerning the implementation of a check-list (CL) on blood collection procedures as a tool to prevent errors in laboratory medicine. Literature and operating procedures carried out in three outpatients phlebotomy sites (SMa, SMb, PN) were analysed to identify check-points (CPs). CL draft was evaluated by a multidisciplinary team and tested for one month (September 2014) by 25 physicians and 15 nurses. The filled in CLs were analysed together with the involved staff and a final version was released. CL effectiveness was evaluated immediately after experimentation and one year later. 5661 CL were filled in, out of 9469 venipunctures (59.8%). The percentages of CPs filled in within SMa, SMb and PN were respectively: 100% patient identification and label-sample-identification matching; 80.2, 73.1 and 51.9% vein selection; 96.7, 95.8 and 97.9% needle selection; 82.5, 85.8 and 89.9% tourniquet application time; 98.9, 97.9 and 98.7% tubes filling; 98.4, 97.4 and 98.7% tubes mixing; 27.6, 23.5 and 15% temperature transport; 16.4, 20.8 and 1.3% time transport. The percentages of unsuitable samples in SM and PN were respectively: 0.040 and 0.013% (September 2014); 0.041 and 0.012% (October 2014); 0.024 and 0.16% (September-October 2015). The insufficient number of available CLs, difficulties over communication concerning purpose and methodology, and patients crowding affected the results in SM; anyway the CL was very helpful for trainees. An effective CL should: include only critical CPs, be shared with the staff, take into account organizational peculiarities. CL is a powerful tool to ensure patient safety only when it becomes an integral part of quality management system.</p>
Biochimica Clinica ; 42(2) 131-140
Contributi Scientifici - Scientific papers
La gestione del rischio clinico in medicina di laboratorio: risultati del questionario congiunto SIBioC-Medicina di Laboratorio e Società Italiana di Ergonomia (SIE) inviato ai laboratori della Regione Toscana
Misidentification in laboratory medicine: results of the Tuscany survey of the Clinical Risk Management Study Group SIBioC and the Italian Society of Ergonomy (SIE)
<p>In the year 2016 the Study Group on Clinical Risk Management of the SIBioC-Laboratory Medicine Society issued a joint survey with the Italian Society of Ergonomics (SIE); the survey was sent to all the clinical laboratories of the Tuscany Region in Italy. This survey had the aim to understand the level of awareness of the clinical laboratory about the clinical risk management, particularly in the patient misidentification field. The results show a very variable consciousness of the problem among different laboratories, with a very multi-faced approach to this important topic. More than the 93% of the participants state that the errors on misidentification are always registered and in the 80% the consequent actions are tracked.</p>
Biochimica Clinica ; 42(2) 141-145
Contributi Scientifici - Scientific papers
Gli indicatori di qualità nel processo di armonizzazione in Medicina di Laboratorio
Harmonization of quality indicators in Laboratory Medicine
<p>According to the International Standard for medical&nbsp;laboratories accreditation ISO 15189:2012, the laboratory should establish and periodically review quality indicators&nbsp;(QIs) to monitor and evaluate performance throughout critical aspects of pre-, intra and post-analytical processes.&nbsp;The use of QIs is needed to provide information and accountability to users and to establish a program of continuous&nbsp;improvement to ensure the quality of care and patient safety. In this context, we designed a QIs system as a part of&nbsp;a coherent and integrated quality improvement strategy. The management of QIs is based on an internal assessment&nbsp;system (IAS), which allows us to evaluate our performance over time and on the participation in an interlaboratory&nbsp;comparison managed as an EQA program, in order to compare our performance with other laboratories. The IAS&nbsp;includes a list of QIs, a form describing the specifications of each QI and a standard operating procedure. We&nbsp;participated in the project developed by the Working Group &ldquo;Laboratory errors and patient safety&rdquo; of IFCC on QIs.&nbsp;The project aims to identify a model of QIs that can be used worldwide through an EQA program. This paper aims to&nbsp;stimulate harmonization initiatives concerning QIs on the basis of the method and results of described experience.</p>
Biochimica Clinica ; 39(6) 601-608
Contributi scientifici - Scientific Papers
Polimorfismi dei geni KLK3, RASA1 e NAALADL2: rischio di cancro alla prostata, aggressività della neoplasia e livelli sierici dell’Antigene Prostatico-Specifico
Polymorphisms of KLK3, RASA1 and NAALADL2 genes: prostate cancer risk, aggressiveness of neoplasia and serum PSA levels
D. Bozzato  |  C.F. Zambon  |  A. Padoan  |  M. Pelloso  |  A. Aita  |  S. Moz  |  F. Navaglia  |  T.P. Galetti  |  F. Zattoni  |  D. Basso  |  M. Plebani  | 
<p>Background: prostate cancer (Pca) is the second most common cancer among men and the sixth leading cause of death due to cancer among men worldwide. We aimed to verify if serum PSA levels and PCa risk/aggressiveness are modulated by polymorphisms of KLK3, RASA1 and NAALADL2 genes.<br />Methods: 1058 men have been studied; they consecutively underwent prostate biopsy for clinical suspicion of PCa. PCa was histologically diagnosed in 401 and ruled out in 657 men. Gleason score in PCa patients was &le;6 in 261, 7 in 83 and &gt;7 in the remaining 57 PCa. tPSA and f/tPSA levels were determined. Four polymorphisms were studied: rs35148638 (RASA1), rs78943174 (NAALADL2), rs2735839 and rs17632542 (KLK3).<br />Results: PCa diagnosis was significantly predicted by the KLK3 rs17632542 polymorphism (p&lt;0.001), tPSA (p&lt;0.001) and f/tPSA (p&lt;0.001). Carriers of the KLK3 rs17632542C rare allele had a significantly higher risk of PCa (p&lt;0.001) (OR 2.1, 95% CI 1.40-3.19). Gleason score &gt;7 was associated with increased tPSA (p&lt;0.001), decreased f/tPSA (p=0.003) and the KLK3 rs2735839 A rare allele (p= 0.004). In controls, tPSA was significantly lower in subjects bearing NAALADL2 rs78943174T rare allele (p=0.029). f/tPSA was higher in subjects with the KLK3 rs17632542C rare allele (p&lt;0.001) and with the RASA1 rs35148638 C/C genotypes (p=0.009). In PCa subjects, tPSA was not associated with the polymorphisms studied.<br />Conclusions: KLK3 rs17632542 and rs2735839 polymorphisms were significantly associated with the risk and aggressiveness of PCa respectively. NAALADL2, KLK3 rs17632542 and RASA1 polymorphisms were correlated with tPSA and f/tPSA serum levels, suggesting a genetically-based PSA expected values in absence of tumor. These results suggest a potential role of these polymorphisms as biomarkers for PCa in association with the diagnostic and prognostic indexes currently recognized.</p>
Biochimica Clinica ; 17(1)
Contributi Scientifici - Sscientific Papers