Corresponding Author: Ruth D. Piers, MD, Ghent University Hospital, Gent, De Pintelaan 185, Gent, 9000, Belgium (ruth.piers@ugent.be).
Author Contributions: Dr Piers had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Piers, Azoulay, Ricou, DeKeyser Ganz, Decruyenaere, Van Den Noortgate, Schrauwen, Benoit.
Acquisition of data: Piers, Azoulay, Ricou, DeKeyser Ganz, Max, Michalsen, Maia, Owczuk, Rubulotta, Depuydt, Meert, Reyners, Aquilina, Bekaert, Benoit.
Analysis and interpretation of data: Piers, Azoulay, Ricou, DeKeyser Ganz, Rubulotta, Van Den Noortgate, Benoit.
Drafting of the manuscript: Piers, Azoulay, DeKeyser Ganz, Schrauwen, Benoit.
Critical revision of the manuscript for important intellectual content: Piers, Azoulay, Ricou, Decruyenaere, Max, Michalsen, Maia, Owczuk, Rubulotta, Depuydt, Meert, Reyners, Aquilina, Bekaert, Van Den Noortgate, Benoit.
Statistical analysis: Piers, Bekaert, Benoit.
Obtained funding: Piers, Azoulay, Benoit.
Administrative, technical, or material support: Piers, Ricou, DeKeyser Ganz, Decruyenaere, Benoit.
Study supervision: Ricou, Decruyenaere, Meert, Reyners, Van Den Noortgate, Schrauwen, Benoit.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Drs Piers, Decruyenaere, Van Den Noortgate, and Benoit report receipt of a grant from the European Society of Intensive Care Medicine/European Critical Care Research Network (ESICM/ECCRN). Dr Azoulay reports board membership, consultancy, grants received or pending, and speakers bureau participation with Gilead, Pfizer, and Merck, Sharp, and Dohme. Dr Decruyenaere reports receipt of meeting expenses from the European Society of Clinical Microbiology and Infectious Diseases; and other research grants from Astra-Zeneca, Bayer, Pfizer, Merck, Sharp, and Dohme, and General Electric. Dr Owczuk reports receipt of consultancy fees from Abbott Laboratories, Poland. Dr Depuydt reports receipt of a grant or a pending grant from Pfizer. The remaining authors report no disclosures.
The APPROPICUS Study Group of the Ethics Section of the ESICM: Steering Committee: Piers, Azoulay, Ricou, DeKeyser Ganz, Decruyenaere, Benoit. Participating hospitals and ICUs: Belgium: Ghent University Hospital, Gent (P. Depuydt, R. Piers, D. Benoit, J. Decruyenaere, N. Mauws), AZ Maria Middelares, Gent (C. De Cock), O.L.Vrouwziekenhuis, Aalst (N. De Neve, K. De Decker), ASZ, Aalst (B. Nonneman), AZ Sint-Blasius, Dendermonde (W. Swinnen), AZ Sint-Jan Brugge - Oostende, Brugge (M. Bourgeois), ZNA Stuivenberg, Antwerpen (I. De laet, A. Jans), Institut Jules Bordet, Bruxelles (A-P. Meert), CHU Saint-Pierre, Bruxelles (E. Stevens, P. Dechamps), CHWAPI Site Notre Dame, Tournai (F. Vallot), CHU Brugmann, Bruxelles (J. Devriendt), Cliniques universitaires Saint-Luc, Bruxelles (P-F. Laterre), CHRN, Namur (F. Lemaitre), Hopital Erasme, Bruxelles (M. Norrenberg). FRANCE: Hôpital Saint Louis, Réanimation médicale, Paris (A. Max, A. Lafabrie, V. Lemiale, E. Azoulay, B. Schlemmer), Hôpital Cochin, Réanimation médicale, Paris (J-P Mira, B. Zuber), Hôpital René Arbeltier, Soins Continus, Coulommiers (B. Bonneton, L. Baillat, F. Compagnon), Hôpital Lariboisière, Réanimation médicale, Paris (B. Mégarbane, F. Baud), Hôpital Raymond Poincaré, Garches (M. Antona, T. Sharshar, D. Annane), Hôpital Gabriel Montpied, Clermont-Ferrand (A. Lautrette, B. Souweine), Hôpital André Mignot, Le Chesnay (S. Legriel, J-P Bedos), Hôpital Saint Joseph, Réanimation polyvalente, Paris (M. Garrouste-Orgeas, C. Bruel, F. Philippart, B. Misset), Hôpital Saint Louis, Réanimation chirurgicale, Paris (F. Fieux, L. Jacob), Hôpital André Grégoire, Montreuil (V. Das, J-L Pallot), Hôpital Hôtel Dieu, Paris (A. Rabbat), Hôpital Avicenne, Bobigny (F. Vincent, Y. Cohen), Hôpital Victor Dupouy, Argenteuil (M. Thirion, H. Mentec). Germany: Neurologische Klinik Medical Park Loipl, Bischofswiesen/Loipl (A. Michalsen), St. Elisabeth-Krankenhaus Bad Kissingen, Bad Kissingen (L. Weller), HELIOS Klinikum Berlin-Buch, Berlin (S. Kubitza, D Schweiger), Kreisklinikum Calw-Nagold, Calw (R. Clement), Georg-August-Universität Göttingen, Göttingen (O. Mörer), Klinikum Konstanz, Konstanz (V. Kurzweg), Krankenhaus Leonberg, Leonberg (M. Plattner), Klinikum Rechts der Isar, München (J. Schneider), Klinik Tettnang, Tettnang (G. Schoser). Israel: Tel Hashomer Medical Center, Ramat Gan (O. Raanan), Kaplan Medical Center, Rehovot (M. Ben Nun). Italy: Ospedale Maggiore, Bologna (E. Cerchiari), Annunziata, Chieti (F. Petrini), Ospedale San Raffaele, Milan (L. Cabrini), Azienda Ospedaliero-Universitaria Policlinico, Catania (G. Rubulotta), Azienda Ospedaliero-Universitaria Vittorio Emanuele, Catania (A. Conti), Azienda Ospedaliero-Universitaria S. Luigi Gonzaga, Orbassano (G. Rabeschi, B. Andretto). Malta: Mater Dei Hospital, Msida (A. Aquilina). Poland: Medical University of Gdansk, Gdansk (M. A. Wujtewicz), Medical University of Silesia, Zabrze (H. Misiolek), District Hospital, Elblag (W. Wenski), District Hospital, Olsztyn (D. Onichimowski), University Hospital, Lodz (W. Machala), Florian Ceynowa Hospital, Wejherowo (M. Czajkowska), Regional Teaching Hospital, Bielsko-Biala (D. Maciejewski), 7th University Hospital, Katowice (D. Szurlej). Portugal: Hospital Santo António, Porto (P. Maia), Centro Hospitalar de Coimbra, Coimbra (P. Coutinho, J. Lúzio), Hospital Pêro da Covilhã, Covilhã (M. Branco), Hospital Dr Nélio Mendonça, Madeira (E. Maul), Centro Hospitalar Trás-os-Montes e Alto Douro, Vila Real (F. Esteves), Instituto Português Oncologia, Porto (F. Faria), Centro Hospitalar de Vila Nova de Gaia (P. Castelões), Hospital Pulido Valente, Lisboa (Alvaro A. Pereira), Hospital São João, Porto (S. Barbosa, C. Dias). Switzerland: Hôpitaux universitaires de Genève, Genève (B. Ricou), Hôpital neuchâtelois, La Chaux-de-Fonds (H. Zender), Hôpital de Neuchâtel, Neuchâtel (R. Zürcher), Hôpital Fribourgeois site Fribourg, Fribourg (G. Sridharan), Hôpital de Sion, Sion (R. Friolet), Ospedale Civico, Lugano (A. Karachristianidou, R.Malacrida), Ospedale La Carita, Locarno (G. Penati, M. Llamas), Ospedale San Giovanni, Bellinzona (A. Perren), Ospedale Beata Vergine, Mendrisio (A. Pagnamenta). The Netherlands: UMCG, Groningen (A.K. Reyners, A. Heesink), Medisch Centrum Leeuwarden, Leeuwarden (R.Gerritsen), Flevoziekenhuis, Almere (M. Sleeswijk), Wilhelmina Ziekenhuis Assen, Assen (J. Lutisan, R. Janssen).
Funding/Support: Support was provided by the European Society of Intensive Care Medicine/European Critical Care Research Network Award (iMDsoft Patient Safety Research Award, Vienna 2009).
Role of the Sponsors: The sponsor had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and the preparation, review, or approval of the manuscript.