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Table 1 The Postoperative Morbidity Survey (Bennett-Guerrero et al. 1999)

From: Validity of the Postoperative Morbidity Survey after abdominal aortic aneurysm repair—a prospective observational study

Morbidity type Criteria Source of data
Pulmonary New requirement for supplemental oxygen or other respiratory support Patient observation
Treatment chart
Infectious Currently on antibiotics or temperature >38 °C in the last 24 h Treatment chart
Observation chart
Renal Presence of oliguria (500 mL 24 h−1), increased serum creatinine (>30 % from preoperative level) or urinary catheter in place Patient observation
Fluid balance chart
Biochemistry result
Gastrointestinal Unable to tolerate an enteral diet for any reason, including nausea, vomiting, and abdominal distension or use of anti-emetic a Patient questioning
Fluid balance chart
Treatment chart
Cardiovascular Diagnostic tests or therapy within the last 24 h for any of the following: new myocardial infarction or ischaemia, hypotension (requiring pharmacological therapy or fluid therapy >200 mL h−1), atrial or ventricular arrhythmias, cardiogenic pulmonary oedema or thrombotic event (requiring anticoagulation) Treatment chart
Note review
Neurological Presence of new focal deficit, confusion, delirium or coma Note review
Patient questioning
Wound Wound dehiscence requiring surgical exploration or drainage of pus from the operation wound with or without isolation of organisms Note review
Pathology result
Haematological Requirement for any of the following within the last 24 h: packed erythrocytes, platelets, fresh-frozen plasma or cryoprecipitate Treatment chart
Fluid balance chart
Pain New postoperative pain significant enough to require strong b opioids or regional analgesia Treatment chart
Patient questioning
  1. aChange made by Grocott et al. 2007
  2. bChange for the present study (previously parenteral)