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Association of Preoperative Physical Activity with Short- and Long-Term Outcomes in Patients Undergoing Palliative Resection for Metastatic Colorectal Cancer: An Inverse Probability of Treatment Weighting Analysis. Cancers (Basel) 2022; 14:cancers14030489. [PMID: 35158757 PMCID: PMC8833797 DOI: 10.3390/cancers14030489] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 01/07/2022] [Accepted: 01/15/2022] [Indexed: 12/16/2022] Open
Abstract
Simple Summary Physical activity is linked to the risk and the prognosis of colorectal cancer. However, the impact of preoperative physical activity on postoperative short-term and long-term outcomes is limited. The aim of our study was to elucidate the relationship of preoperative physical activity and postoperative outcomes in metastatic colorectal cancer patients who underwent palliative resection. After the inverse probability of the treatment weighting process, the metabolic equivalent of task < 12 group had a higher postoperative morbidity rate and mortality rate. No significant difference was found in overall survival. In patients undergoing palliative resection for metastatic colorectal cancer, preoperative leisure-time physical activity with the metabolic equivalent of task ≥ 12 was associated with reduced short-term postoperative morbidity and mortality; however, no difference was detected in long-term survival. Abstract A lack of physical activity is a generally accepted risk factor for colorectal cancer. However, research on the effect of preoperative physical activity on postoperative and long-term outcomes is limited, especially in patients with stage IV colorectal cancer who underwent palliative surgery. Patients who underwent bowel resection for stage IV primary colorectal cancer between January 1995 and December 2016 were retrospectively enrolled. A total of 2185 patients were divided into two groups according to preoperative leisure-time weekly physical activity as assessed by metabolic equivalent of task (MET) values: MET < 12 (n = 1845) and MET ≥ 12 (n = 340). Inverse probability of treatment weighting (IPTW) was used to reduce imbalance and selection biases between the two groups. After the IPTW process, the MET < 12 group showed a higher postoperative morbidity rate (18.7% vs. 10.6%; p < 0.001) and mortality rate (2.4% vs. 0.6%; p < 0.001) than the MET ≥ 12 group. No significant difference was found in overall survival. Weekly preoperative leisure-time physical activity with MET ≥ 12 was associated with reduced short-term postoperative morbidity and mortality in patients undergoing palliative resection for metastatic colorectal cancer. However, no difference was detected in long-term survival.
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Steffens D, Ismail H, Denehy L, Beckenkamp PR, Solomon M, Koh C, Bartyn J, Pillinger N. Preoperative Cardiopulmonary Exercise Test Associated with Postoperative Outcomes in Patients Undergoing Cancer Surgery: A Systematic Review and Meta-Analyses. Ann Surg Oncol 2021; 28:7120-7146. [PMID: 34101066 PMCID: PMC8186024 DOI: 10.1245/s10434-021-10251-3] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 05/17/2021] [Indexed: 01/07/2023]
Abstract
BACKGROUNDS There is mixed evidence on the value of preoperative cardiorespiratory exercise test (CPET) to predict postoperative outcomes in patients undergoing a cancer surgical procedure. The purpose of this review was to investigate the association between preoperative CPET variables and postoperative complications, length of hospital stay, and quality of life in patients undergoing cancer surgery. METHODS A search was conducted on MEDLINE, Embase, AMED, and Web of science from inception to April 2020. Cohort studies investigating the association between preoperative CPET variables, including peak oxygen uptake (peak VO2), anaerobic threshold (AT), or ventilatory equivalent for carbon dioxide (VE/VCO2), and postoperative outcomes (complications, length of stay, and quality of life) were included. Risk of bias was assessed using the QUIPS tool. A random-effect model meta-analysis was performed whenever possible. RESULTS Fifty-two unique studies, including 10,030 patients were included. Overall, most studies were rated as having low risk of bias. Higher preoperative peak VO2 was associated with absence of postoperative complications (mean difference [MD]: 2.28; 95% confidence interval [CI]: 1.26-3.29) and no pulmonary complication (MD: 1.47; 95% CI: 0.49-2.45). Preoperative AT and VE/VCO2 also demonstrated some positive trends. None of the included studies reported a negative trend. CONCLUSIONS This systematic review and meta-analysis demonstrated a significant association between superior preoperative CPET values, especially peak VO2, and better postoperative outcomes. The assessment of preoperative functional capacity in patients undergoing cancer surgery has the potential to facilitate treatment decision making.
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Affiliation(s)
- Daniel Steffens
- Surgical Outcomes Research Centre (SOuRCe), Royal Prince Alfred Hospital (RPAH), Sydney, NSW, Australia. .,Faculty of Medicine and Health, Central Clinical School, The University of Sydney, Sydney, Australia.
| | - Hilmy Ismail
- School of Health Sciences, The University of Melbourne, Melbourne, Australia.,Peter MacCallum Cancer Centre, Melbourne, Australia
| | - Linda Denehy
- School of Health Sciences, The University of Melbourne, Melbourne, Australia.,Peter MacCallum Cancer Centre, Melbourne, Australia
| | - Paula R Beckenkamp
- Faculty of Health Sciences, Discipline of Physiotherapy, Musculoskeletal Health, The University of Sydney, Sydney, Australia
| | - Michael Solomon
- Surgical Outcomes Research Centre (SOuRCe), Royal Prince Alfred Hospital (RPAH), Sydney, NSW, Australia.,Faculty of Medicine and Health, Central Clinical School, The University of Sydney, Sydney, Australia
| | - Cherry Koh
- Surgical Outcomes Research Centre (SOuRCe), Royal Prince Alfred Hospital (RPAH), Sydney, NSW, Australia.,Faculty of Medicine and Health, Central Clinical School, The University of Sydney, Sydney, Australia
| | - Jenna Bartyn
- Surgical Outcomes Research Centre (SOuRCe), Royal Prince Alfred Hospital (RPAH), Sydney, NSW, Australia
| | - Neil Pillinger
- Surgical Outcomes Research Centre (SOuRCe), Royal Prince Alfred Hospital (RPAH), Sydney, NSW, Australia.,Faculty of Medicine and Health, Central Clinical School, The University of Sydney, Sydney, Australia
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Sankar A, Thorpe KE, Gershon AS, Granton JT, Wijeysundera DN. Association of preoperative spirometry with cardiopulmonary fitness and postoperative outcomes in surgical patients: A multicentre prospective cohort study. EClinicalMedicine 2020; 23:100396. [PMID: 32529180 PMCID: PMC7280772 DOI: 10.1016/j.eclinm.2020.100396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Preoperative spirometry and cardiopulmonary exercise testing (CPET) may stratify risk for respiratory complications. This secondary analysis of the Measurement of Exercise Tolerance before Surgery (METS) study examined whether CPET performance (i.e., cardiopulmonary fitness) confounds associations of spirometry with outcomes. METHODS The analysis included 1200 participants having major non-cardiac surgery at 25 hospitals in Canada, Australia, New Zealand and UK. Forced expiratory volume in 1 s (FEV1), and ratio of FEV1 to forced vital capacity (FVC) were measured during preoperative spirometry, and peak oxygen consumption and ventilatory efficiency during preoperative CPET. Outcomes were respiratory morbidity (Postoperative Morbidity Survey) and pulmonary complications (pneumonia or respiratory failure). We used multivariable logistic regression models to estimate associations of FEV1 with outcomes after adjustment for risk factors and either peak oxygen consumption or ventilatory efficiency. FINDINGS 128 participants (11%) developed respiratory morbidity, and 48 (4%) developed pulmonary complications. There was no strong evidence that FEV1 predicted respiratory morbidity after adjustment for peak oxygen consumption (p = 0·80) or ventilatory efficiency (p = 0·76), or FEV1 predicted pulmonary complications after adjustment for ventilatory efficiency (p = 0·37). Peak oxygen consumption (odds ratio 0·66 per 5 mL/kg/min increase; 95% CI, 0·54-0·82) was associated with respiratory morbidity. Ventilatory efficiency was associated with respiratory morbidity (p = 0·04) and pulmonary complications (p = 0·02). Peak oxygen consumption also confounded the association between FEV1 and respiratory morbidity. INTERPRETATION After accounting for fitness and clinical factors, FEV1 was not strongly predictive of respiratory complications. Prior associations between FEV1 and respiratory morbidity may be explained by confounding by peak oxygen consumption. FUNDING Canadian Institutes of Health Research, Heart and Stroke Foundation of Canada, Ontario Ministry of Health and Long-Term Care, Ontario Ministry of Research, Innovation and Science, UK National Institute of Academic Anaesthesia, UK Clinical Research Collaboration, Australian and New Zealand College of Anaesthetists, and Monash University.
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Affiliation(s)
- Ashwin Sankar
- Department of Anesthesiology and Pain Medicine, University of Toronto, Toronto, ON, Canada
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada
| | - Kevin E. Thorpe
- Applied Health Research Centre, St Michael's Hospital, Toronto, ON, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - Andrea S. Gershon
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada
- Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
- Department of Medicine, University of Toronto, Toronto, ON, Canada
- ICES Central, Toronto, ON, Canada
| | - John T. Granton
- Department of Medicine, University of Toronto, Toronto, ON, Canada
- Department of Medicine, University Health Network, Toronto, ON, Canada
- Department of Medicine, Sinai Health System, Toronto, ON, Canada
| | - Duminda N. Wijeysundera
- Department of Anesthesiology and Pain Medicine, University of Toronto, Toronto, ON, Canada
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada
- Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, ON, Canada
- ICES Central, Toronto, ON, Canada
- Department of Anesthesia, St. Michael's Hospital, 30 Bond Street, Toronto, ON M5B 1W8, Canada
- Corresponding author.
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Association of a Preoperative Leisure-Time Physical Activity With Short- and Long-term Outcomes of Patients Undergoing Curative Resection for Stage I to III Colorectal Cancer: A Propensity Score Matching Analysis. Dis Colon Rectum 2020; 63:796-806. [PMID: 32118625 DOI: 10.1097/dcr.0000000000001651] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND Physical activity might be directly or indirectly linked to the risk of colorectal cancer and the prognosis of patients with colorectal cancer. OBJECTIVE This study aimed to elucidate whether preoperative physical activity plays a role in reducing short-term postoperative complications and improving long-term survival of patients with colorectal cancer. DESIGN This was a retrospective analysis of prospectively collected data. SETTINGS This study was conducted at a department of colorectal surgery in a tertiary teaching hospital between January 1995 and December 2016. PATIENTS Patients who underwent curative resection for stage I to III primary colorectal cancer were enrolled. According to the preoperative leisure-time weekly metabolic equivalent of task values, patients were divided into 2 groups: the metabolic equivalent of task <12 group and the metabolic equivalent of task ≥12 group. A 1:1 propensity score matching was used to reduce imbalance and selection biases based on 6 covariates, namely, age, sex, BMI, tumor location, tumor stage, and adjuvant chemotherapy administration. MAIN OUTCOME MEASURES χ tests were used to analyze short-term postoperative complications. Kaplan-Meier analyses were used to evaluate disease-free survival and overall survival. RESULTS In the matched cohort patients, significant differences in overall postoperative complications and mortality were observed in favor of the metabolic equivalent of task ≥12 group, although there was no difference in any single item of postoperative morbidity. The results of the Kaplan-Meier analysis and log-rank test demonstrated a significant survival benefit in the metabolic equivalent of task ≥12 group compared with the metabolic equivalent of task <12 group both for disease-free and overall survival. LIMITATIONS This study is limited by its retrospective nature. CONCLUSIONS This single-institute study provides evidence of the association of preoperative leisure-time physical activity with short-term postoperative morbidity and mortality, as well as long-term survival. See Video Abstract at http://links.lww.com/DCR/B189. ASOCIACIÓN DE ACTIVIDAD FÍSICA DE TIEMPO LIBRE PREOPERATORIA CON RESULTADOS A CORTO Y LARGO PLAZO DE PACIENTES SOMETIDOS A RESECCIÓN CURATIVA POR CÁNCER COLORRECTAL EN ESTADIO I-III: UN ANÁLISIS DE COINCIDENCIA DE PUNTAJE DE PROPENSIÓN ANTECEDENTES: LA ACTIVIDAD FíSICA PUEDE ESTAR DIRECTA O INDIRECTAMENTE RELACIONADA CON EL RIESGO DE CÁNCER COLORRECTAL Y EL PRONÓSTICO DE LOS PACIENTES CON CÁNCER COLORRECTAL.: Este estudio tuvo como objetivo dilucidar si la actividad física preoperatoria desempeña un papel en la reducción de las complicaciones postoperatorias a corto plazo y en mejorar la supervivencia a largo plazo de los pacientes con cáncer colorrectal.Este fue un análisis retrospectivo de datos recolectados prospectivamente.Este estudio se realizó en un departamento de cirugía colorrectal en un hospital universitario terciario entre Enero de 1995 y Diciembre de 2016.Se incluyeron pacientes sometidos a resección curativa por cáncer colorrectal primario en estadio I-III. De acuerdo con el equivalente metabólico semanal en el tiempo libre de los valores de la tarea preoperatorio, los pacientes se dividieron en dos grupos: el equivalente metabólico del grupo de tarea <12 y el equivalente metabólico del grupo de tarea ≥ 12. Se utilizó una coincidencia de puntaje de propensión 1: 1 para reducir los desequilibrios y los sesgos de selección basados en seis covariables, principalmente, edad, sexo, índice de masa corporal, ubicación del tumor, estadio del tumor y administración de quimioterapia adyuvante.Las pruebas de Chi-cuadrado se utilizaron para analizar las complicaciones postoperatorias a corto plazo. Los análisis de Kaplan-Meier se utilizaron para evaluar la supervivencia libre de enfermedad y la supervivencia general.en los pacientes de la cohorte emparejada, se observaron diferencias significativas en las complicaciones postoperatorias generales y la mortalidad a favor del equivalente metabólico del grupo de tareas ≥ 12, aunque no hubo diferencias en ningún elemento único de morbilidad postoperatoria. Los resultados del análisis de Kaplan-Meier y la prueba de log-rank demostraron un beneficio de supervivencia significativo en el equivalente metabólico del grupo tarea ≥ 12 en comparación con el equivalente metabólico del grupo tarea <12 tanto para la supervivencia libre de enfermedad como para la supervivencia general.Este estudio está limitado por su naturaleza retrospectiva.Este estudio de instituto único proporciona evidencia de la asociación de la actividad física preoperatoria en el tiempo libre con la morbilidad y mortalidad postoperatorias a corto plazo, así como la supervivencia a largo plazo. Consulte Video Resumen en http://links.lww.com/DCR/B189. (Traducción-Dr. Yesenia Rojas-Kahlil).
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Stubbs DJ, Grimes LA, Ercole A. Performance of cardiopulmonary exercise testing for the prediction of post-operative complications in non cardiopulmonary surgery: A systematic review. PLoS One 2020; 15:e0226480. [PMID: 32012165 PMCID: PMC6996804 DOI: 10.1371/journal.pone.0226480] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 11/24/2019] [Indexed: 12/25/2022] Open
Abstract
INTRODUCTION Cardiopulmonary exercise testing (CPET) is widely used within the United Kingdom for preoperative risk stratification. Despite this, CPET's performance in predicting adverse events has not been systematically evaluated within the framework of classifier performance. METHODS After prospective registration on PROSPERO (CRD42018095508) we systematically identified studies where CPET was used to aid in the prognostication of mortality, cardiorespiratory complications, and unplanned intensive care unit (ICU) admission in individuals undergoing non-cardiopulmonary surgery. For all included studies we extracted or calculated measures of predictive performance whilst identifying and critiquing predictive models encompassing CPET derived variables. RESULTS We identified 36 studies for qualitative review, from 27 of which measures of classifier performance could be calculated. We found studies to be highly heterogeneous in methodology and quality with high potential for bias and confounding. We found seven studies that presented risk prediction models for outcomes of interest. Of these, only four studies outlined a clear process of model development; assessment of discrimination and calibration were performed in only two and only one study undertook internal validation. No scores were externally validated. Systematically identified and calculated measures of test performance for CPET demonstrated mixed performance. Data was most complete for anaerobic threshold (AT) based predictions: calculated sensitivities ranged from 20-100% when used for predicting risk of mortality with high negative predictive values (96-100%). In contrast, positive predictive value (PPV) was poor (2.9-42.1%). PPV appeared to be generally higher for cardiorespiratory complications, with similar sensitivities. Similar patterns were seen for the association of Peak VO2 (sensitivity 85.7-100%, PPV 2.7-5.9%) and VE/VCO2 (Sensitivity 27.8%-100%, PPV 3.4-7.1%) with mortality. CONCLUSIONS In general CPET's 'rule-out' capability appears better than its ability to 'rule-in' complications. Poor PPV may reflect the frequency of complications in studied populations. Our calculated estimates of classifier performance suggest the need for a balanced interpretation of the pros and cons of CPET guided pre-operative risk stratification.
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Affiliation(s)
- Daniel J. Stubbs
- University Division of Anaesthesia, Department of Medicine, Addenbrooke’s Hospital, Hills Road, Cambridge, CB2 0QQ, Cambridge, United Kingdom
| | - Lisa A. Grimes
- University Division of Anaesthesia, Department of Medicine, Addenbrooke’s Hospital, Hills Road, Cambridge, CB2 0QQ, Cambridge, United Kingdom
| | - Ari Ercole
- University Division of Anaesthesia, Department of Medicine, Addenbrooke’s Hospital, Hills Road, Cambridge, CB2 0QQ, Cambridge, United Kingdom
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Systematic Review and Meta-analysis of Objective Assessment of Physical Fitness in Patients Undergoing Colorectal Cancer Surgery. Dis Colon Rectum 2018; 61:400-409. [PMID: 29377872 DOI: 10.1097/dcr.0000000000001017] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND Gas exchange-derived variables obtained from cardiopulmonary exercise testing allow objective assessment of functional capacity and hence physiological reserve to withstand the stressors of major surgery. Field walk tests provide an alternate means for objective assessment of functional capacity that may be cheaper and have greater acceptability, in particular, in elderly patients. OBJECTIVE This systematic review evaluated the predictive value of cardiopulmonary exercise testing and field walk tests in surgical outcomes after colorectal surgery. DATA SOURCE A systematic search was undertaken using Medline, PubMed, Embase, CINAHL, and PEDro. STUDY SELECTION Adult patients who had cardiopulmonary exercise testing and/or field walk test before colorectal surgery were included. MAIN OUTCOME MEASURE The primary outcomes measured were hospital length of stay and postoperative morbidity and mortality. RESULTS A total of 7 studies with a cohort of 1418 patients who underwent colorectal surgery were identified for inclusion in a qualitative analysis. Both pooled oxygen consumption at anaerobic threshold (range, 10.1-11.1 mL·kg·min) and peak oxygen consumption (range, 16.7-18.6 mL·kg·min) were predictive of complications (OR for anaerobic threshold, 0.76; 95% CI, 0.66-0.85, p<0.0001; OR for peak oxygen consumption, 0.76; 95% CI, 0.67-0.85, p<0.0001). Patients had significant increased risk of developing postoperative complications if their anaerobic threshold was below this cut point (p<0.001). However, it was not predictive of anastomotic leak (p = 0.644). Shorter distance (<250 m) walked in incremental shuttle walk test, lower anaerobic threshold, and lower peak oxygen consumption were associated with prolonged hospital length of stay, which was closely related to the development of complications. CONCLUSIONS Variables derived from cardiopulmonary exercise testing are predictive of postoperative complications and hospital length of stay. Currently, there are insufficient data to support the predictive role of the field walk test in colorectal surgery.
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