• D G McGuckin, S Mufti, D J Turner, C Bond, and S R Moonesinghe.
• Surgical Outcomes Research Centre, UCL/UCKH, London, UK.
• Anaesthesia. 2018 Jul 1; 73 (7): 819-824.

AbstractPostoperative hospital stay is longer for frail, older patients, who are more likely to experience prolonged postoperative morbidity and reduced long-term survival. We recorded in-hospital mortality, morbidity and length of stay for 164 patients aged at least 65 years after unscheduled surgery. We evaluated pre-operative frailty with the 7-point Clinical Frailty Scale: 81 patients were 'not vulnerable' (frailty score 1-3) and 83 were 'vulnerable or frail' (frailty score ≧ 4), with mean (SD) ages of 74.7 (7.5) years vs. 79.4 (8.3) years, respectively, p < 0.001. Within 30 postoperative days 8/164 (5%) patients died, all with frailty scores ≧ 4, p = 0.007. Postoperative morbidity was less frequent in patients categorised as 'not vulnerable' on four out of the six days it was measured (days 3, 5, 8, 14, 23, 28). Median (IQR [range]) postoperative stay was 9 (6-18 [2-221]) days for patients with frailty scores 1-3, and 22 (12-33 [2-270]) days for patients with score ≧ 4, p < 0.001. Four variables independently associated with hospital discharge, hazard ratio (95%CI): E-POSSUM, 0.74 (0.60-0.92), p = 0.007; ASA 2, 0.35 (0.13-0.98), p = 0.046, ASA 3, 0.17 (0.06-0.47), p = 0.001 and ASA 4/5, 0.08 (0.02-0.28), p < 0.001; operative severity 'major +', 0.69 (0.41-1.08), p = 0.10 and the Surgical Outcome Risk Tool, 7.75 (0.81-74.40), p = 0.08.© 2018 The Association of Anaesthetists of Great Britain and Ireland.

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