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Introduction: Preoperative aerobic fitness is associated with postoperative outcomes after elective colorectal cancer (CRC) surgery. This study aimed to develop and externally validate two clinical prediction models incorporating a practical test to assess preoperative aerobic fitness to distinguish between patients with and without an increased risk for 1) postoperative complications and 2) a prolonged time to in-hospital recovery of physical functioning after elective colorectal cancer (CRC) surgery., Materials and Methods: Models were developed using prospective data from 256 patients and externally validated using prospective data of 291 patients. Postoperative complications were classified according to Clavien-Dindo. The modified Iowa level of assistance scale (mILAS) was used to determine time to postoperative in-hospital physical recovery. Aerobic fitness, age, sex, body mass index, American Society of Anesthesiologists (ASA) classification, neoadjuvant treatment, surgical approach, tumour location, and preoperative haemoglobin level were potential predictors. Areas under the curve (AUC), calibration plots, and Hosmer-Lemeshow tests evaluated predictive performance., Results: Aerobic fitness, sex, age, ASA, tumour location, and surgical approach were included in the final models. External validation of the model for complications and postoperative recovery presented moderate to fair discrimination (AUC 0.666 (0.598-0.733) and 0.722 (0.651-0.794), respectively) and good calibration. High sensitivity and high negative predictive values were observed in the lower predicted risk categories (<40 %)., Conclusion: Both models identify patients with and without an increased risk of complications or a prolonged time to in-hospital physical recovery. They might be used for improving patient-tailored preoperative risk assessment and targeted and cost-effective application of prehabilitation interventions., Competing Interests: Declaration of competing interest The authors declare no conflict of interest. NvM is professor and executive director of Health∼Holland. No staff member of Health∼Holland (including the executive director) can ever be involved in the assessment, allocation, and board decisions regarding applications. Health∼Holland does not interfere in any way during the implementation of projects. Only after financial and administrative completion of the project, and after delivery of the formal report to Health∼Holland, NvM became involved in the writing and editing of this article. Therefore, the authors declare no conflict of (financial) interest., (© 2024 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).)

Background: This study aimed to evaluate the association between preoperative level of physical functioning and time to recovery of physical functioning, postoperative complications, and the impact of postoperative major complications in patients undergoing elective pancreatic resection. Additionally, prediction models to identify high-risk patients for developing a major complication were externally validated., Methods: Perioperative data of patients who underwent pancreatic resection were analysed. Primary outcomes were time to recovery of physical functioning and postoperative major complications. Impact of a major complication was explored by evaluating its effect on time to recovery of physical functioning. Risk-prediction models were retrieved following a systematic review., Results: Multivariable analysis (n = 63) showed that ASA grade III (OR 3.498) and preoperative platelet count (OR 1.005) were associated with major complications, whereas aerobic capacity (OR 0.347) was associated with time to recovery of physical functioning. Age, preoperative aerobic capacity, functional mobility, and perceived level of functional capacity were associated with the impact of a major complication. The AUC of two risk prediction models were 0.556 and 0.701., Conclusion: Preoperative parameters of physical function were associated with postoperative outcomes and may be useful in outcome prediction, although future approaches should not only register the incidence of major complications but also take the impact of a complication on a patient's physical functioning into account., (Copyright © 2019 International Hepato-Pancreato-Biliary Association Inc. Published by Elsevier Ltd. All rights reserved.)

Background: This study evaluated the association between practical performance-based indices of preoperative physical functioning and short-term postoperative outcomes in patients undergoing hepatic resection., Method: Preoperative characteristics and results of practical performance-based tests of physical functioning were analyzed concerning the effect on postoperative outcomes (recovery of physical functioning, non-surgical complications, and length of hospital stay) using univariable and multivariable logistic regression., Results: Perioperative data of 96 patients showed that besides the conventional risk-factors (American Society of Anesthesiologists grade III and BMI), lower absolute steep ramp test performance (in watts; OR 0.992), and lower perceived level of functional capacity to perform activities of daily living (ADL) on Duke activity status index (in metabolic equivalent of task (MET); OR 0.806) and lower score on the veterans-specific activity questionnaire (in MET, OR 0.875) were associated with delayed recovery of physical functioning. Furthermore, more comorbidities, worse functional mobility, and lower levels of perceived functional capacity to perform ADL were associated with non-surgical complications and length of hospital stay., Conclusion: Adequate preoperative performance and perceived level of functional capacity to perform ADL appear to be of importance to identify individual patients that are at risk of a complicated postoperative course., (Copyright © 2019 International Hepato-Pancreato-Biliary Association Inc. Published by Elsevier Ltd. All rights reserved.)

Surgery is aimed at improving a patient's health. However, surgery is plagued with a risk of negative consequences, such as perioperative complications and prolonged hospitalization. Also, achieving preoperative levels of physical functionality may be delayed. Above all, the "waiting" period before the operation and the period of hospitalisation endanger the state of health, especially in frail patients.The Better in Better out™ (BiBo™) strategy is aimed at reducing the risk of a complicated postoperative course through the optimisation and professionalisation of perioperative treatment strategies in a physiotherapy activating context. BiBo™ includes four steps towards optimising personalised health care in patients scheduled for elective surgery: 1) preoperative risk assessment, 2) preoperative patient education, 3) preoperative exercise therapy for high-risk patients (prehabilitation) and 4) postoperative mobilisation and functional exercise therapy.Preoperative screening is aimed at identifying frail, high-risk patients at an early stage, and advising these high-risk patients to participate in outpatient exercise training (prehabilitation) as soon as possible. By improving preoperative physical fitness, a patient is able to better withstand the impact of major surgery and this will lead to both a reduced risk of negative side effects and better short-term outcomes as a result. Besides prehabilitation, treatment culture and infrastructure should be inherently changing in such a way that patients stay as active as they can, socially, mentally and physically after discharge.