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Udayasiri DK, Hiscock R, Jones IT, Skandarajah A, Hayes IP. Overall survival comparing laparoscopic to open surgery for right-sided colon cancer: propensity score inverse probability weighting population study. ANZ J Surg 2023. [PMID: 36797227 DOI: 10.1111/ans.18338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 02/04/2023] [Accepted: 02/07/2023] [Indexed: 02/18/2023]
Abstract
BACKGROUND This retrospective cohort study reports on overall survival and short-term complications, comparing laparoscopic to open resection for right-sided colon cancers. It is one of the largest studies in the field with generalizable population-level results. METHOD This study on right sided colon cancers used prospectively collected administrative data linked to a death registry over 5 years from 2014 to 2018. Exclusion criteria were private patients, patients aged less than 10 years, synchronous and metachronous cancers. Propensity score weighting was used to balance cohorts and Cox proportional hazards regression was used to assess the hazard of death. In addition, logistic regression analysis was used to assess secondary outcomes. For completeness, unweighted data was similarly analysed. RESULTS There were 3603 patients identified for the analysis: 1729 open patients and 1874 laparoscopic patients. Cox proportional hazards regression analysis of the weighted data showed no evidence of a statistically significant effect of laparoscopic surgery compared to open surgery on overall survival for right-sided colon cancers (HR 0.86, 95% CI 0.71-1.04, P = 0.112). The weighted data showed lower odds of prolonged length of stay, return to theatre and discharge destination other than home in the laparoscopic cohort compared to the open cohort. There was no difference in inpatient mortality. Unweighted results were similar. CONCLUSION This study validates the use of laparoscopic surgery for right-sided colon cancer, showing similar long-term overall survival and inpatient mortality compared to open surgery. It is superior to open surgery for the short-term outcomes of LOS, return to theatre and discharge destination other than home.
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Affiliation(s)
- Dilshan K Udayasiri
- Colorectal Surgical Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgical Specialties, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Richard Hiscock
- Department of Anaesthetics, Mercy Hospital for Women, Melbourne, Victoria, Australia.,Department of Obstetrics and Gynaecology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Ian T Jones
- Colorectal Surgical Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgical Specialties, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Anita Skandarajah
- Department of General Surgical Specialties, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Ian P Hayes
- Colorectal Surgical Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgical Specialties, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
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Thomas F, Bouvier AM, Cariou M, Bouvier V, Jooste V, Pouchucq C, Gardy J, Queneherve L, Launoy G, Alves A, Eid Y, Dejardin O. Influence of non-clinical factors on restorative rectal cancer surgery: An analysis of four specialized population-based digestive cancer registries in France. Dig Liver Dis 2022; 54:258-267. [PMID: 34301489 DOI: 10.1016/j.dld.2021.06.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 06/03/2021] [Accepted: 06/24/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUND This study aims to measure the association between deprivation, health care accessibility and health care system with the likelihood of receiving non-restorative rectal cancer surgery (NRRCS). METHODS All adult patients who had rectal resection for invasive adenocarcinoma diagnosed between 2007 and 2016 in four French specialised cancer registries were included. A multilevel logistic regression with random effect was used to assess the link between patient and health care structure characteristics on the probability of NRRCS. RESULTS 2997 patients underwent rectal cancer resection in 68 health care structures: 708 (23.63%) had NRRCS. The likelihood of receiving NRCCS was associated with patients' characteristics (97%): age, sub peritoneal rectal tumors, neoadjuvant therapy, residual tumour and stage III . There was no impact of European Deprivation Index or remoteness on NRRCS. Inter-health care structure variability was modest (3%), of which 50% was explained by the high group volume of colorectal procedures and the type of health care structure which were associated with less NRRCS (p<0.01). CONCLUSION There is an influence of operating volume and type of structure on the probability of NRRCS, but it has truly little importance in explaining differences in performances. The probability of NRRCS is mainly affected by clinical determinant.
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Affiliation(s)
- Flavie Thomas
- Department of Digestive Surgery, University Hospital of Caen, Caen, France; UMR INSERM U1086 Anticipe, Centre François Baclesse, Caen, France
| | - Anne-Marie Bouvier
- Digestive Cancers Registry of Burgundy, University Hospital Dijon, France; INSERM UMR 1231, University of Burgundy, Dijon, France
| | - Mélanie Cariou
- Finistère Digestive Cancer Registry, University Hospital of Brest, France; EA7479 SPURBO, University of Western Brittany, Brest, France
| | - Véronique Bouvier
- UMR INSERM U1086 Anticipe, Centre François Baclesse, Caen, France; Department of Research: Epidemiology Research and Evaluation Unit, University Hospital of Caen, Caen, France; Calvados Digestive Cancer Registry, Epidemiology Research and Evaluation Unit, University Hospital of Caen, Caen, France
| | - Valérie Jooste
- Digestive Cancers Registry of Burgundy, University Hospital Dijon, France; INSERM UMR 1231, University of Burgundy, Dijon, France
| | - Camille Pouchucq
- Department of Digestive Surgery, University Hospital of Caen, Caen, France; UMR INSERM U1086 Anticipe, Centre François Baclesse, Caen, France
| | - Joséphine Gardy
- UMR INSERM U1086 Anticipe, Centre François Baclesse, Caen, France; Calvados Digestive Cancer Registry, Epidemiology Research and Evaluation Unit, University Hospital of Caen, Caen, France
| | - Lucille Queneherve
- Finistère Digestive Cancer Registry, University Hospital of Brest, France; EA7479 SPURBO, University of Western Brittany, Brest, France; Gastroenterology Department, University Hospital, Brest, France
| | - Guy Launoy
- UMR INSERM U1086 Anticipe, Centre François Baclesse, Caen, France; Department of Research: Epidemiology Research and Evaluation Unit, University Hospital of Caen, Caen, France; Calvados Digestive Cancer Registry, Epidemiology Research and Evaluation Unit, University Hospital of Caen, Caen, France
| | - Arnaud Alves
- Department of Digestive Surgery, University Hospital of Caen, Caen, France; UMR INSERM U1086 Anticipe, Centre François Baclesse, Caen, France; Calvados Digestive Cancer Registry, Epidemiology Research and Evaluation Unit, University Hospital of Caen, Caen, France
| | - Yassine Eid
- Department of Digestive Surgery, University Hospital of Caen, Caen, France; UMR INSERM U1086 Anticipe, Centre François Baclesse, Caen, France
| | - Olivier Dejardin
- UMR INSERM U1086 Anticipe, Centre François Baclesse, Caen, France; Department of Research: Epidemiology Research and Evaluation Unit, University Hospital of Caen, Caen, France.
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Udayasiri DK, MacCallum C, Da Silva N, Skandarajah A, Hayes IP. Impact of hospital geographic remoteness on overall survival after colorectal cancer resection using state-wide administrative data. ANZ J Surg 2020; 90:1321-1327. [PMID: 32496014 DOI: 10.1111/ans.15991] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 04/22/2020] [Accepted: 04/25/2020] [Indexed: 12/27/2022]
Abstract
BACKGROUND This study aimed to use administrative data (AD) linked to the Victorian death index (VDI) to report on overall long-term survival following colorectal cancer (CRC) surgery, comparing regional to metropolitan hospitals. METHODS A retrospective cohort study using prospectively gathered AD linked to VDI. The primary outcome was overall survival (OS). Outcomes were adjusted for potential confounders via multivariable Cox proportional hazard regression analysis. RESULTS Total of 17 533 patients: 12 879 metropolitan patients, 3835 inner regional patients and 719 outer regional patients. Multivariable Cox regression, adjusted for the effects of age, ASA score, Charlson score, position of tumour, mode of access, admission type, lymph node metastases, distant metastases, return to theatre, length of stay, HDU admission and discharge destination showed no difference in OS comparing CRC resection patients from inner or outer regional hospitals to metropolitan ((HR 1.02, 95% CI 0.95-1.09, P = 0.59) and (HR 0.97, 95% CI 0.85-1.11, P = 0.68) respectively). CONCLUSION This is the largest and most detailed study concerning OS after CRC resection involving Victorian public hospitals. There was no difference in OS following CRC resection when inner or outer regional hospitals were compared to metropolitan hospitals in Victoria. The study demonstrated the utility of AD with validated algorithms, linked to death data for reporting CRC survival outcomes.
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Affiliation(s)
- Dilshan K Udayasiri
- Colorectal Surgical Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgical Specialties, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Caroline MacCallum
- Colorectal Surgical Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgical Specialties, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Nigel Da Silva
- Colorectal Surgical Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgical Specialties, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Anita Skandarajah
- Department of General Surgical Specialties, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Ian P Hayes
- Colorectal Surgical Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgical Specialties, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
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Udayasiri DK, MacCallum C, Silva ND, Skandarajah A, Hayes IP. Impact of hospital geographic remoteness on short-term outcomes after colorectal cancer resection using state-wide administrative data. ANZ J Surg 2020; 90:1328-1334. [PMID: 32455508 DOI: 10.1111/ans.15992] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 04/22/2020] [Accepted: 04/25/2020] [Indexed: 01/06/2023]
Abstract
BACKGROUND This study aimed to use validated coding algorithms, applied to a central repository of administrative data (AD), to report on short-term outcomes following resection for colorectal cancer (CRC) comparing regional to metropolitan Victorian hospitals. METHODS This is a retrospective cohort study using prospectively gathered AD. The primary outcome was prolonged length of stay (LOS). Secondary outcomes were: inpatient mortality, return to theatre, discharge destination and need for mechanical ventilation/intensive care unit support. Outcomes were adjusted for potential confounders via multivariable logistic regression analysis. RESULTS This study of 18 470 patients found strong evidence for lower odds of prolonged LOS (odds ratio (OR) 0.53, 95% confidence interval (CI) 0.48-0.58, P ≤ 0.001) and inpatient mortality (OR 0.67, 95% CI 0.49-0.91, P = 0.01) in inner regional hospital compared with metropolitan hospitals. For outer regional hospitals, there was strong evidence of decreased odds of prolonged LOS (OR 0.64, 95% CI 0.52-0.77, P = <0.001) and return to theatre (OR 0.67, 95% CI 0.47-0.95, P = 0.03). CONCLUSION This is the largest and most detailed study concerning short-term outcomes following CRC resection in Victorian public hospitals. Inner and outer regional centres had similar or better short-term outcomes than metropolitan hospitals after CRC resection. AD with validated algorithms serves as a large accurate database to report on CRC outcomes.
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Affiliation(s)
- Dilshan K Udayasiri
- Colorectal Surgical Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgical Specialties, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Caroline MacCallum
- Colorectal Surgical Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgical Specialties, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Nigel Da Silva
- Colorectal Surgical Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgical Specialties, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Anita Skandarajah
- Colorectal Surgical Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgical Specialties, The Royal Melbourne Hospital, Melbourne, Victoria, Australia
| | - Ian P Hayes
- Colorectal Surgical Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgical Specialties, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
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MacCallum C, Da Silva N, Skandarajah A, Hayes I. Study of colorectal cancer resection patterns across the state of Victoria using validated administrative data algorithms. ANZ J Surg 2020; 90:308-313. [PMID: 32039566 DOI: 10.1111/ans.15710] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 12/30/2019] [Accepted: 01/02/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND Administrative data provide a unique opportunity to examine whole-of-state colorectal cancer (CRC) data. The purpose of this study was to compare types of CRC resection across Victorian geographical zones, using hospital volume and accredited training-post status. METHODS All CRC resections in Victorian public hospitals between 2008 and 2013 were analysed using validated algorithms of administrative data from the Victorian Admitted Episodes Dataset. Hospitals were grouped according to Colorectal Surgical Society of Australia and New Zealand (CSSANZ) training-post status, case-volume (high >200 in 5 years) and remoteness of location. Resection frequency and type were compared. RESULTS In 44 public hospitals over 6 years, 7596 CRC resections were performed. Patient age, American Society of Anesthesiologists Physical Status Classification System score and tumour stage were similar among groups. CSSANZ accounted for nearly 50% of cases but the lowest percentage of emergencies (16.8%). The ratio of right-sided to left-sided plus rectal resections was greater for low-volume than high-volume centres (56.8% versus 40.4%), while left colon and rectal resections comprised a larger proportion of high-volume workload. High- compared with low-volume favoured ultra-low anterior resections (62% versus 33%) over abdominoperineal resections (38% versus 67%). Work patterns among high-volume hospitals were similar regardless of remoteness or CSSANZ status. CONCLUSION This study demonstrated that administrative data can provide granular, clinically relevant information with population-wide coverage. Most public CRC resections in Victoria were performed in metropolitan hospitals. The majority of rectal cancer resections were performed in high-volume metropolitan centres but 15% were performed by low-volume regional hospitals.
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Affiliation(s)
- Caroline MacCallum
- Colorectal Surgery Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgery, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Nigel Da Silva
- Colorectal Surgery Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgery, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Anita Skandarajah
- Department of General Surgery, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Ian Hayes
- Colorectal Surgery Unit, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of General Surgery, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
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Predictive Factors for Bowel Dysfunction After Sphincter-Preserving Surgery for Rectal Cancer: A Single-Center Cross-sectional Study. Dis Colon Rectum 2019; 62:925-933. [PMID: 30855308 DOI: 10.1097/dcr.0000000000001374] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND With increasing rates of sphincter preservation because of advances in preoperative chemoradiation, restoration of bowel continuity has become a main goal of rectal cancer treatment. However, in many patients, postoperative bowel dysfunction negatively affects the quality of life. OBJECTIVE This study aimed to analyze predictors of bowel dysfunction after sphincter-preserving surgery in patients with rectal cancer. DESIGN This was a cross-sectional study. SETTINGS Assessment of bowel dysfunction was conducted between November 2015 and June 2017 at our institution. PATIENTS A total of 316 patients with rectal cancer who underwent sphincter-preserving surgery between February 2009 and April 2017 and agreed with an interview for assessing bowel dysfunction were included. MAIN OUTCOME MEASURES Bowel dysfunction was assessed with the Memorial Sloan Kettering Cancer Center Bowel Function Instrument and Wexner score. All the assessments were conducted face-to-face by the same interviewer. RESULTS The median time interval between the restoration of bowel continuity and assessment was 10 months (interquartile range, 3-37), and the median total Memorial Sloan Kettering Cancer Center and Wexner scores were 65 (interquartile range, 58-73) and 6 (interquartile range, 0-11). The time interval was correlated with the Memorial Sloan Kettering Cancer Center scores (rho, 0.279) and Wexner scores (rho, -0.306). In a multivariate analysis, handsewn anastomosis and short time interval (≤1 year) were independently associated with poor bowel function (Memorial Sloan Kettering Cancer Center score ≤65). A short time interval (≤1 year), preoperative chemoradiation, and ileostomy were independently associated with major fecal incontinence (Wexner ≥8). LIMITATIONS Selection bias may be inherent. CONCLUSIONS Bowel function recovers with time after the restoration of bowel continuity. A short time interval, handsewn anastomosis, preoperative chemoradiation, and ileostomy were significantly associated with poor bowel function or major fecal incontinence. Surgeons should discuss postoperative bowel dysfunction and its predictive factors with the patients. See Video Abstract at http://links.lww.com/DCR/A930.
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Nowakowski MM, Rubinkiewicz M, Gajewska N, Torbicz G, Wysocki M, Małczak P, Major P, Wierdak M, Budzyński A, Pędziwiatr M. Defunctioning ileostomy and mechanical bowel preparation may contribute to development of low anterior resection syndrome. Wideochir Inne Tech Maloinwazyjne 2018; 13:306-314. [PMID: 30302143 PMCID: PMC6174165 DOI: 10.5114/wiitm.2018.76913] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 06/13/2018] [Indexed: 12/14/2022] Open
Abstract
INTRODUCTION Laparoscopic surgery is an approved technique in colorectal cancer treatment. Functional and quality-of-life studies have revealed significant changes in faecal continence. AIM To assess the incidence and risk factors of low anterior resection syndrome (LARS) in patients undergoing rectal resections for cancer. MATERIAL AND METHODS We enrolled patients undergoing rectal resections in a general surgery department of a university hospital. The primary outcomes were the Jorge-Wexner scale and the LARS score 6 months after the end of treatment. The secondary outcomes were the risk factors for LARS development. RESULTS Fifty-six patients were included; 15 (26%) developed major LARS and 10 (18%) had minor LARS at 6 months. In univariate analysis the risk factors were: preoperative radiotherapy (p < 0.001, OR = 11.9, 95% CI: 2.98-47.48); shorter distance of the tumour from the anal verge (p = 0.001, OR = 0.69, 95% CI: 0.55-0.86); bowel preparation (p = 0.01, OR = 6.27, 95% CI: 1.51-26.07); low anterior rectal resection (p = 0.01, OR = 17.07, 95% CI: 1.86-156.83); and protective ileostomy (p = 0.001, OR = 15.97, 95% CI: 4.07-61.92). The risk factors for a higher Jorge-Wexner score in univariate analysis were greater diameter of tumour (p = 0.035), radiotherapy (p = 0.001), shorter distance from the anal verge (p = 0.002), bowel preparation (p = 0.042), low anterior rectal (LAR) (p = 0.01), ileostomy (p = 0.001), perioperative complications (p = 0.032), and readmission within 30 days (p = 0.034). In the multivariate analysis, readmissions and perioperative complications were significant. CONCLUSIONS In addition to typically described risk factors, two new ones have been identified. Mechanical bowel preparation and defunctioning ileostomy may also contribute to LARS development. However, due to the limitations of this study our observations require further confirmation in future trials.
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Affiliation(s)
- Michał M. Nowakowski
- Department of Medical Education, Jagiellonian University Medical College, Krakow, Poland
| | - Mateusz Rubinkiewicz
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
| | - Natalia Gajewska
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
| | - Grzegorz Torbicz
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
| | - Michał Wysocki
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Krakow, Poland
| | - Piotr Małczak
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Krakow, Poland
| | - Piotr Major
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Krakow, Poland
| | - Mateusz Wierdak
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Krakow, Poland
| | - Andrzej Budzyński
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Krakow, Poland
| | - Michał Pędziwiatr
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Krakow, Poland
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Keikes L, Koopman M, Tanis PJ, Lemmens VE, Punt CJ, van Oijen MG. Evaluating the scientific basis of quality indicators in colorectal cancer care: A systematic review. Eur J Cancer 2017; 86:166-177. [DOI: 10.1016/j.ejca.2017.08.034] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 08/22/2017] [Accepted: 08/30/2017] [Indexed: 12/31/2022]
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Yeo HL, Abelson JS, Mao J, Cheerharan M, Milsom J, Sedrakyan A. Minimally invasive surgery and sphincter preservation in rectal cancer. J Surg Res 2016; 202:299-307. [DOI: 10.1016/j.jss.2016.01.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 12/31/2015] [Accepted: 01/07/2016] [Indexed: 12/18/2022]
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Soeberg MJ, Rogers K, Currow DC, Young JM. Trends in incidence and survival for anal cancer in New South Wales, Australia, 1972-2009. Cancer Epidemiol 2015; 39:842-7. [PMID: 26651444 DOI: 10.1016/j.canep.2015.10.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Revised: 10/01/2015] [Accepted: 10/07/2015] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Little is known about the incidence and survival of anal cancer in New South Wales (NSW), Australia, as anal cancer cases are often grouped together with other colorectal cancers in descriptive epidemiological analyses. METHODS We studied patterns and trends in the incidence and survival of people diagnosed with anal cancer in NSW, Australia, 1972-2009 (n=2724). We also predicted anal cancer incidence in NSW during 2010-2032. Given the human papilloma virus-associated aetiology for most anal cancers, we quantified these changes over time in incidence and survival by histological subtype: anal squamous cell carcinoma (ASCC); and anal adenocarcinoma (AAC). RESULTS There was a linear increase in incident anal cancer cases in NSW with an average annual percentage change (AAPC) of 1.6 (95% CI 1.1-2.0) such that, in combination with age-period-cohort modelling, we predict there will be 198 cases of anal cancer in the 2032 calendar year (95% CI 169-236). Almost all of these anal cancer cases are projected to be ASCC (94%). Survival improved over time regardless of histological subtype. However, five-year relative survival was substantially higher for people with ASCC (70% (95% CI 66-74%)) compared to AAC (51% (95% CI 43-59%)), a 37% difference. Survival was also greater for women (69% (95% CI 64-73%)) with ASCC compared to men (55% (95% CI 50-60%)). It was not possible to estimate survival by stage at diagnosis particularly given that 8% of all cases were recorded as having distant stage and 22% had missing stage data. INTERPRETATION Aetiological explanations, namely exposure to oncogenic types of human papillomavirus, along with demographic changes most likely explain the actual and projected increase in ASCC case numbers. Survival differences by gender and histological subtype point to areas where further research is warranted to improve treatment and outcomes for all anal cancer patients.
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Affiliation(s)
- Matthew J Soeberg
- Cancer Epidemiology and Services Research (CESR), Sydney School of Public Health, Sydney Medical School, University of Sydney, NSW, Australia.
| | - Kris Rogers
- Cancer Epidemiology and Services Research (CESR), Sydney School of Public Health, Sydney Medical School, University of Sydney, NSW, Australia
| | | | - Jane M Young
- Cancer Epidemiology and Services Research (CESR), Sydney School of Public Health, Sydney Medical School, University of Sydney, NSW, Australia; Surgical Outcomes Research Centre (SOuRCe), Sydney Local Health District and University of Sydney, NSW, Australia
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Lewis OAO, McCallum IJD, Dixon S, Katory M. Longterm -ostomy as a quality marker: Comparison of outcomes from a six year series of laparoscopic surgery in MRI defined low rectal cancer. Int J Surg 2015; 23:108-14. [PMID: 26408949 DOI: 10.1016/j.ijsu.2015.09.054] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Accepted: 09/19/2015] [Indexed: 01/18/2023]
Abstract
AIM We propose long-term -ostomy rate following laparoscopic rectal cancer resection must be included as an overall quality indicator of treatment in conjunction with frequently reported and readily available end points. METHOD A database was collated prospectively of consecutive rectal cancer resections over a 6-year period. Recorded data included pre-operative MRI (tumour stage and height from the anal-verge), as well as demographics, treatment, local recurrence rate, survival and -ostomy rate as the primary outcome measure. RESULTS 65 patients were identified and classified as low-rectal cancer if the tumour on MRI was < 6 cm from the anal verge or middle/upper-rectal cancer if between 6 and 15 cm from the anal-verge and below the peritoneal reflection. Permanent stoma rates including colostomies and non-reversed ileostomies were 31.7% for middle/upper rectal cancer; 62.5% for low-rectal cancer and an overall rate of 42.1% for all rectal cancers. For upper-rectal cancer the rates of local recurrence, predicted mortality, R0 resection and conversion were: 0%, 1.9%, 97.6% and 0% respectively. Corresponding figures for low-rectal cancer were: 4.2%, 2.7%, 95.8% and 0%. There were no significant differences for age, sex, predicted morbidity/mortality, survival, recurrence or leak rates between the groups. CONCLUSION Laparoscopic rectal cancer surgery has a comparable permanent -ostomy rate to open rectal cancer surgery. We benchmark 31.7% as the permanent -ostomy rate for upper-rectal cancer and 62.5% for low-rectal cancer following laparoscopic resection, in the context of 96.9% R0 resection and 0% conversion rate in a consecutive series of patients.
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Affiliation(s)
- Omotolani A O Lewis
- Queen Elizabeth Hospital, Gateshead Colorectal Unit, Sherriff Hill, Gateshead, United Kingdom
| | - Iain J D McCallum
- Queen Elizabeth Hospital, Gateshead Colorectal Unit, Sherriff Hill, Gateshead, United Kingdom
| | - Steve Dixon
- Queen Elizabeth Hospital, Gateshead Colorectal Unit, Sherriff Hill, Gateshead, United Kingdom
| | - Mark Katory
- Queen Elizabeth Hospital, Gateshead Colorectal Unit, Sherriff Hill, Gateshead, United Kingdom.
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12
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Cook JA, Collins GS. The rise of big clinical databases. Br J Surg 2015; 102:e93-e101. [PMID: 25627139 DOI: 10.1002/bjs.9723] [Citation(s) in RCA: 96] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Accepted: 10/20/2014] [Indexed: 12/21/2022]
Abstract
BACKGROUND The routine collection of large amounts of clinical data, 'big data', is becoming more common, as are research studies that make use of these data source. The aim of this paper is to provide an overview of the uses of data from large multi-institution clinical databases for research. METHODS This article considers the potential benefits, the types of data source, and the use to which the data is put. Additionally, the main challenges associated with using these data sources for research purposes are considered. RESULTS Common uses of the data include: providing population characteristics; identifying risk factors and developing prediction (diagnostic or prognostic) models; observational studies comparing different interventions; exploring variation between healthcare providers; and as a supplementary source of data for another study. The main advantages of using such big data sources are their comprehensive nature, the relatively large number of patients they comprise, and the ability to compare healthcare providers. The main challenges are demonstrating data quality and confidently applying a causal interpretation to the study findings. CONCLUSION Large clinical database research studies are becoming ubiquitous and offer a number of potential benefits. However, the limitations of such data sources must not be overlooked; each research study needs to be considered carefully in its own right, together with the justification for using the data for that specific purpose.
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Affiliation(s)
- J A Cook
- Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Botnar Research Centre, Nuffield Orthopaedic Centre, Windmill Road, Oxford OX3 7LD, UK
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