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Dell-Kuster S, Gomes NV, Gawria L, Aghlmandi S, Aduse-Poku M, Bissett I, Blanc C, Brandt C, Ten Broek RB, Bruppacher HR, Clancy C, Delrio P, Espin E, Galanos-Demiris K, Gecim IE, Ghaffari S, Gié O, Goebel B, Hahnloser D, Herbst F, Orestis I, Joller S, Kang S, Martín R, Mayr J, Meier S, Murugesan J, Nally D, Ozcelik M, Pace U, Passeri M, Rabanser S, Ranter B, Rega D, Ridgway PF, Rosman C, Schmid R, Schumacher P, Solis-Pena A, Villarino L, Vrochides D, Engel A, O'Grady G, Loveday B, Steiner LA, Van Goor H, Bucher HC, Clavien PA, Kirchhoff P, Rosenthal R. Prospective validation of classification of intraoperative adverse events (ClassIntra): international, multicentre cohort study. BMJ 2020; 370:m2917. [PMID: 32843333 PMCID: PMC7500355 DOI: 10.1136/bmj.m2917] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVE To prospectively assess the construct and criterion validity of ClassIntra version 1.0, a newly developed classification for assessing intraoperative adverse events. DESIGN International, multicentre cohort study. SETTING 18 secondary and tertiary centres from 12 countries in Europe, Oceania, and North America. PARTICIPANTS The cohort study included a representative sample of 2520 patients in hospital having any type of surgery, followed up until discharge. A follow-up to assess mortality at 30 days was performed in 2372 patients (94%). A survey was sent to a representative sample of 163 surgeons and anaesthetists from participating centres. MAIN OUTCOME MEASURES Intraoperative complications were assessed according to ClassIntra. Postoperative complications were assessed daily until discharge from hospital with the Clavien-Dindo classification. The primary endpoint was construct validity by investigating the risk adjusted association between the most severe intraoperative and postoperative complications, measured in a multivariable hierarchical proportional odds model. For criterion validity, inter-rater reliability was evaluated in a survey of 10 fictitious case scenarios describing intraoperative complications. RESULTS Of 2520 patients enrolled, 610 (24%) experienced at least one intraoperative adverse event and 838 (33%) at least one postoperative complication. Multivariable analysis showed a gradual increase in risk for a more severe postoperative complication with increasing grade of ClassIntra: ClassIntra grade I versus grade 0, odds ratio 0.99 (95% confidence interval 0.69 to 1.42); grade II versus grade 0, 1.39 (0.97 to 2.00); grade III versus grade 0, 2.62 (1.31 to 5.26); and grade IV versus grade 0, 3.81 (1.19 to 12.2). ClassIntra showed high criterion validity with an intraclass correlation coefficient of 0.76 (95% confidence interval 0.59 to 0.91) in the survey (response rate 83%). CONCLUSIONS ClassIntra is the first prospectively validated classification for assessing intraoperative adverse events in a standardised way, linking them to postoperative complications with the well established Clavien-Dindo classification. ClassIntra can be incorporated into routine practice in perioperative surgical safety checklists, or used as a monitoring and outcome reporting tool for different surgical disciplines. Future studies should investigate whether the tool is useful to stratify patients to the appropriate postoperative care, to enhance the quality of surgical interventions, and to improve long term outcomes of surgical patients. TRIAL REGISTRATION ClinicalTrials.gov NCT03009929.
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Affiliation(s)
- Salome Dell-Kuster
- Department of Anaesthesia, Prehospital Emergency Medicine and Pain Therapy, University Hospital Basel, Spitalstrasse 21, CH-4031 Basel, Switzerland
- Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital and University of Basel, Basel, Switzerland
- Department of Clinical Research, University of Basel, Basel, Switzerland
| | - Nuno V Gomes
- Department of Anaesthesia, Prehospital Emergency Medicine and Pain Therapy, University Hospital Basel, Spitalstrasse 21, CH-4031 Basel, Switzerland
- Department of Clinical Research, University of Basel, Basel, Switzerland
| | - Larsa Gawria
- Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital and University of Basel, Basel, Switzerland
- Department of Surgery, Radboud University Medical Centre, Nijmegen, Netherlands
| | - Soheila Aghlmandi
- Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital and University of Basel, Basel, Switzerland
| | - Maame Aduse-Poku
- Department of Anaesthesiology, Guy's and St Thomas' Hospital, London, UK
| | - Ian Bissett
- Department of Surgery, University of Auckland, Auckland, New Zealand
| | - Catherine Blanc
- Department of Anaesthesiology, University Hospital Lausanne, University of Lausanne, Lausanne, Switzerland
| | - Christian Brandt
- Department of Anaesthesiology, Bürgerspital Solothurn, Solothurn, Switzerland
| | - Richard B Ten Broek
- Department of Surgery, Radboud University Medical Centre, Nijmegen, Netherlands
| | | | - Cillian Clancy
- Department of Surgery, Tallaght University Hospital, Dublin, Ireland
| | - Paolo Delrio
- Colorectal Surgical Oncology, Abdominal Oncology Department, Istituto Nazionale per lo Studio e la Cura dei Tumori, "Fondazione Giovanni Pascale" IRCCS, Naples, Italy
| | - Eloy Espin
- Colorectal Surgery Unit, Hospital Valle de Hebron, Autonomous University of Barcelona, Barcelona, Spain
| | | | - I Ethem Gecim
- Department of Surgery, Ankara University Medical School, Ankara, Turkey
| | - Shahbaz Ghaffari
- Department of Surgery, Hospital of St John of God Vienna, Sigmund Freud University Vienna-Medical School, Vienna, Austria
| | - Olivier Gié
- Department of Visceral Surgery, University Hospital Lausanne, University of Lausanne, Lausanne, Switzerland
| | - Barbara Goebel
- Department of Surgery, University Children's Hospital Basel, Basel, Switzerland
| | - Dieter Hahnloser
- Department of Visceral Surgery, University Hospital Lausanne, University of Lausanne, Lausanne, Switzerland
| | - Friedrich Herbst
- Department of Surgery, Hospital of St John of God Vienna, Sigmund Freud University Vienna-Medical School, Vienna, Austria
| | - Ioannidis Orestis
- Fourth Surgical Department, G Papanikolaou Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Sonja Joller
- Department of Anaesthesiology, University Children's Hospital Basel, Basel, Switzerland
| | - Soojin Kang
- Department of Anaesthesiology, Guy's and St Thomas' Hospital, London, UK
| | - Rocio Martín
- Colorectal Surgery Unit, Hospital Valle de Hebron, Autonomous University of Barcelona, Barcelona, Spain
| | - Johannes Mayr
- Department of Surgery, University Children's Hospital Basel, Basel, Switzerland
| | - Sonja Meier
- Department of Anaesthesiology, Guy's and St Thomas' Hospital, London, UK
| | - Jothi Murugesan
- University of Sydney, Royal North Shore Hospital, Sydney, Australia
| | - Deirdre Nally
- Department of Surgery, Tallaght University Hospital, Dublin, Ireland
| | - Menekse Ozcelik
- Department of Anaesthesiology, Ankara University Medical School, Ankara, Turkey
| | - Ugo Pace
- Colorectal Surgical Oncology, Abdominal Oncology Department, Istituto Nazionale per lo Studio e la Cura dei Tumori, "Fondazione Giovanni Pascale" IRCCS, Naples, Italy
| | - Michael Passeri
- Department of Surgery, Carolinas Medical Centre, Charlotte, NC, USA
| | - Simone Rabanser
- Department of Anaesthesiology, Cantonal Hospital Graubünden, Chur, Switzerland
| | - Barbara Ranter
- Department of Vascular Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Daniela Rega
- Colorectal Surgical Oncology, Abdominal Oncology Department, Istituto Nazionale per lo Studio e la Cura dei Tumori, "Fondazione Giovanni Pascale" IRCCS, Naples, Italy
| | - Paul F Ridgway
- Department of Surgery, Tallaght University Hospital, Dublin, Ireland
| | - Camiel Rosman
- Department of Surgery, Radboud University Medical Centre, Nijmegen, Netherlands
| | - Roger Schmid
- Department of Surgery, Bürgerspital Solothurn, Solothurn, Switzerland
| | - Philippe Schumacher
- Department of Anaesthesiology, Bürgerspital Solothurn, Solothurn, Switzerland
| | - Alejandro Solis-Pena
- Colorectal Surgery Unit, Hospital Valle de Hebron, Autonomous University of Barcelona, Barcelona, Spain
| | - Laura Villarino
- Department of Anaesthesiology and Reanimation, Hospital Valle de Hebron, Autonomous University of Barcelona, Barcelona, Spain
| | | | - Alexander Engel
- University of Sydney, Royal North Shore Hospital, Sydney, Australia
| | - Greg O'Grady
- Department of Surgery, University of Auckland, Auckland, New Zealand
| | - Benjamin Loveday
- Department of Surgery, University of Auckland, Auckland, New Zealand
| | - Luzius A Steiner
- Department of Anaesthesia, Prehospital Emergency Medicine and Pain Therapy, University Hospital Basel, Spitalstrasse 21, CH-4031 Basel, Switzerland
- Department of Clinical Research, University of Basel, Basel, Switzerland
| | - Harry Van Goor
- Department of Surgery, Radboud University Medical Centre, Nijmegen, Netherlands
| | - Heiner C Bucher
- Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital and University of Basel, Basel, Switzerland
- Department of Clinical Research, University of Basel, Basel, Switzerland
| | - Pierre-Alain Clavien
- Department of Surgery and Transplantation, University Hospital Zurich, Zurich, Switzerland
| | - Philipp Kirchhoff
- Department of General Surgery, University Hospital Basel, Basel, Switzerland
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