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Argyrou A, Valsami S, Pouliakis A, Gavalaki M, Aggelidis A, Voulgaridou V, Pliatsika V, Adraktas T, Papachronis A, Alepi C, Giannopoulou V, Siourounis P, Tsagia S, Martinis G, Kontekaki E, Zervou E, Koliofotis S, Kyriakou E, Mougiou A, Dimitra L, Chairopoulou A, Tsakania A, Baka M, Apostolidou I, Moschandreou D, Livada A, Politou M, Roussinou F, Pappa C, Koika V, Vgontza N, Gafou A, Dendrinou I, Sakellaridi F, Labrianou L, Alexandropoulou Z, Sochali V, Malekas K, Skordilaki A, Kakava G, Lebesopoulos K, Stamoulis K, Grouzi E. Current Practice in FFP Preparation and Use in Greece: A National Survey. Turk J Haematol 2021; 38:22-32. [PMID: 33233876 PMCID: PMC7927442 DOI: 10.4274/tjh.galenos.2020.2020.0241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 11/18/2020] [Indexed: 12/01/2022] Open
Abstract
Objective Fresh frozen plasma (FFP) transfusion is widely used in modern clinical settings. Practices regarding its use vary due to lack of guidelines from randomized trials. The aim of this study was to assess both the current practices regarding FFP production, use, and wastage and the implementation of quality control (QC), female donor plasma production policies, and use of pharmaceutical hemostatic agents in Greece. Materials and Methods The study was conducted during February-April 2018. For the first part of the study, data including FFP transfusion indication, hospital department, diagnosis, FFP units/transfusion episode, ABO compatibility, blood donor’s sex, and reasons for discarding were collected. For the second part, questionnaire data were analyzed. Results According to data from 20 Greek hospitals, 12655 FFP units were transfused to 2700 patients during 5069 transfusion episodes in the studied period of time. Most patients were hospitalized in internal medicine, general surgery, and intensive care unit departments. Each patient received on average 4.69 units (2.5 units/episode). Transfusion requests were in accordance with international guidelines in 63.44% of cases and 99.04% of the units were given to ABO-identical patients. Main reasons for discarding included failure to meet quality requirements (30.06%), female donors (22.17%), and other causes (27.26%). Among 96.9% of all transfusion services across the country, 28.26% perform QC according to the directions of the European Directorate for the Quality of Medicines & Health Care and 68.83% discard plasma from female donors. Pharmaceutic hemostatic agents are used in 37.23% of the hospitals. Conclusion This is the first national survey regarding FFP production and transfusion in Greece. Staff of internal medicine, general surgery, and ICU departments, where most FFP-transfused patients are hospitalized, should be regularly involved in training on contemporary transfusion guidelines. Upcoming centralization of FFP production and inventory management could help in homogenizing practices regarding FFP use and improve product quality. Strengthening the use of pharmaceutic hemostatic agents could improve patients’ management.
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Affiliation(s)
- Aspasia Argyrou
- These authors contributed equally to this work
- Agioi Anargyroi Hospital, Department of Blood Transfusion, Athens, Greece
| | - Serena Valsami
- These authors contributed equally to this work
- National and Kapodistrian University of Athens, Aretaieion University Hospital, Medical School, Hematology Laboratory-Blood Bank Department, Athens, Greece
| | - Abraham Pouliakis
- National and Kapodistrian University of Athens, Attikon University Hospital, Second Department of Pathology, Athens, Greece
| | - Maria Gavalaki
- National and Kapodistrian University of Athens, Attikon University Hospital, Second Department of Pathology, Athens, Greece
| | - Antonis Aggelidis
- Konstantopouleio-Neas Ionias General Hospital, Department of Blood Transfusion, Athens, Greece
| | - Vasiliki Voulgaridou
- AHEPA, University Hospital, Department of Blood Transfusion, Thessaloniki, Greece
| | - Vasiliki Pliatsika
- AHEPA, University Hospital, Department of Blood Transfusion, Thessaloniki, Greece
| | - Theofanis Adraktas
- National and Kapodistrian University of Athens, Attikon University Hospital, Second Department of Pathology, Athens, Greece
| | - Andreas Papachronis
- National and Kapodistrian University of Athens, Attikon University Hospital, Second Department of Pathology, Athens, Greece
| | - Chrysoula Alepi
- General Hospital Tzaneio, Department of Blood Transfusion, Piraeus, Greece
| | | | - Panagiotis Siourounis
- Agios Panteleimon General Hospital of Nikaia, Department of Blood Transfusion, Athens, Greece
| | - Sofia Tsagia
- Agios Panteleimon General Hospital of Nikaia, Department of Blood Transfusion, Athens, Greece
| | - Georges Martinis
- University Hospital, Department of Blood Transfusion, Alexandroupolis, Greece
| | - Eftihia Kontekaki
- University Hospital, Department of Blood Transfusion, Alexandroupolis, Greece
| | - Eleftheria Zervou
- University Hospital, Department of Blood Transfusion, Ioannina, Greece
| | - Spiridon Koliofotis
- Attikon University Hospital, Laboratory of Hematology and Blood Bank Unit, Athens, Greece
| | - Elias Kyriakou
- Attikon University Hospital, Laboratory of Hematology and Blood Bank Unit, Athens, Greece
| | - Athina Mougiou
- University Hospital, Blood Transfusion Center, Patras, Greece
| | | | | | - Aggeliki Tsakania
- Sismanogleio General Hospital, Department of Blood Transfusion, Athens, Greece
| | - Maria Baka
- Thriasio General Hospital, Department of Blood Transfusion, Athens, Greece
| | - Ioanna Apostolidou
- Thriasio General Hospital, Department of Blood Transfusion, Athens, Greece
| | - Dimitra Moschandreou
- Saint Savvas Oncology Hospital, Department of Blood Transfusion and Clinical Hemostasis, Athens, Greece
| | - Anastasia Livada
- Saint Savvas Oncology Hospital, Department of Blood Transfusion and Clinical Hemostasis, Athens, Greece
| | - Marianna Politou
- National and Kapodistrian University of Athens, Aretaieion University Hospital, Medical School, Hematology Laboratory-Blood Bank Department, Athens, Greece
| | - Fragoula Roussinou
- National and Kapodistrian University of Athens, Aretaieion University Hospital, Medical School, Hematology Laboratory-Blood Bank Department, Athens, Greece
| | - Christina Pappa
- General Hospital, Department of Blood Transfusion, Korinthos, Greece
| | - Vasiliki Koika
- General Hospital, Department of Blood Transfusion, Korinthos, Greece
| | - Niki Vgontza
- Konstantopouleio-Neas Ionias General Hospital, Department of Blood Transfusion, Athens, Greece
| | - Anthippi Gafou
- Agioi Anargyroi Hospital, Department of Blood Transfusion, Athens, Greece
| | - Ioanna Dendrinou
- Konstantopouleio-Neas Ionias General Hospital, Department of Blood Transfusion, Athens, Greece
| | | | | | | | - Vasiliki Sochali
- General Hospital, Department of Blood Transfusion, Giannitsa, Greece
| | - Kostas Malekas
- General Hospital, Department of Blood Transfusion, Livadia, Greece
| | - Areti Skordilaki
- General Hospital, Department of Blood Transfusion, Chania, Greece
| | - Georgia Kakava
- Pammakaristos General Hospital, Department of Blood Transfusion, Athens, Greece
| | | | | | - Elisavet Grouzi
- Saint Savvas Oncology Hospital, Department of Blood Transfusion and Clinical Hemostasis, Athens, Greece
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Kanoulas E, Butler M, Rowley C, Voulgaridou V, Diamantis K, Duncan WC, McNeilly A, Averkiou M, Wijkstra H, Mischi M, Wilson RS, Lu W, Sboros V. Super-Resolution Contrast-Enhanced Ultrasound Methodology for the Identification of In Vivo Vascular Dynamics in 2D. Invest Radiol 2019; 54:500-516. [PMID: 31058661 PMCID: PMC6661242 DOI: 10.1097/rli.0000000000000565] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 02/20/2019] [Accepted: 02/20/2019] [Indexed: 12/11/2022]
Abstract
OBJECTIVES The aim of this study was to provide an ultrasound-based super-resolution methodology that can be implemented using clinical 2-dimensional ultrasound equipment and standard contrast-enhanced ultrasound modes. In addition, the aim is to achieve this for true-to-life patient imaging conditions, including realistic examination times of a few minutes and adequate image penetration depths that can be used to scan entire organs without sacrificing current super-resolution ultrasound imaging performance. METHODS Standard contrast-enhanced ultrasound was used along with bolus or infusion injections of SonoVue (Bracco, Geneva, Switzerland) microbubble (MB) suspensions. An image analysis methodology, translated from light microscopy algorithms, was developed for use with ultrasound contrast imaging video data. New features that are tailored for ultrasound contrast image data were developed for MB detection and segmentation, so that the algorithm can deal with single and overlapping MBs. The method was tested initially on synthetic data, then with a simple microvessel phantom, and then with in vivo ultrasound contrast video loops from sheep ovaries. Tracks detailing the vascular structure and corresponding velocity map of the sheep ovary were reconstructed. Images acquired from light microscopy, optical projection tomography, and optical coherence tomography were compared with the vasculature network that was revealed in the ultrasound contrast data. The final method was applied to clinical prostate data as a proof of principle. RESULTS Features of the ovary identified in optical modalities mentioned previously were also identified in the ultrasound super-resolution density maps. Follicular areas, follicle wall, vessel diameter, and tissue dimensions were very similar. An approximately 8.5-fold resolution gain was demonstrated in vessel width, as vessels of width down to 60 μm were detected and verified (λ = 514 μm). Best agreement was found between ultrasound measurements and optical coherence tomography with 10% difference in the measured vessel widths, whereas ex vivo microscopy measurements were significantly lower by 43% on average. The results were mostly achieved using video loops of under 2-minute duration that included respiratory motion. A feasibility study on a human prostate showed good agreement between density and velocity ultrasound maps with the histological evaluation of the location of a tumor. CONCLUSIONS The feasibility of a 2-dimensional contrast-enhanced ultrasound-based super-resolution method was demonstrated using in vitro, synthetic and in vivo animal data. The method reduces the examination times to a few minutes using state-of-the-art ultrasound equipment and can provide super-resolution maps for an entire prostate with similar resolution to that achieved in other studies.
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Affiliation(s)
- Evangelos Kanoulas
- From the Institute of Biochemistry, Biological Physics, and Bio Engineering, and
| | - Mairead Butler
- From the Institute of Biochemistry, Biological Physics, and Bio Engineering, and
| | - Caitlin Rowley
- Department of Physics, Heriot-Watt University, Riccarton
| | - Vasiliki Voulgaridou
- From the Institute of Biochemistry, Biological Physics, and Bio Engineering, and
| | | | - William Colin Duncan
- Center for Reproductive Health, University of Edinburgh, Edinburgh, United Kingdom
| | - Alan McNeilly
- Center for Reproductive Health, University of Edinburgh, Edinburgh, United Kingdom
| | | | | | - Massimo Mischi
- Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands; and
| | - Rhodri Simon Wilson
- **Oxford Institute for Radiation Oncology, Department of Oncology, University of Oxford, Oxford, United Kingdom
| | - Weiping Lu
- From the Institute of Biochemistry, Biological Physics, and Bio Engineering, and
| | - Vassilis Sboros
- From the Institute of Biochemistry, Biological Physics, and Bio Engineering, and
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