A retrospective study of colonoscopic surveillance in the elderly.


Journal

ANZ journal of surgery
ISSN: 1445-2197
Titre abrégé: ANZ J Surg
Pays: Australia
ID NLM: 101086634

Informations de publication

Date de publication:
09 2023
Historique:
revised: 07 02 2023
received: 15 01 2023
accepted: 10 02 2023
medline: 18 9 2023
pubmed: 23 2 2023
entrez: 22 2 2023
Statut: ppublish

Résumé

Aotearoa New Zealand (AoNZ) guidelines suggest surveillance colonoscopy should be carefully considered after age 75. The authors noted a cluster of patients presenting in their 8th and 9th decade of life with a new colorectal cancer (CRC) having previously been declined surveillance colonoscopy. A 7-year retrospective analysis was performed of patients who underwent a colonoscopy aged between 71 and 75 years in the period between 2006 and 2012. Kaplan-Meier graphs were created with survival measured from the time of index colonoscopy. Log rank tests were used to determine any difference in survival distribution. Relative risk (RR) was calculated, and 95% confidence intervals (CI) reported. A total of 623 patients met inclusion criteria; 461 (74%) had no indication for surveillance colonoscopy and 162 (26%) had an indication. Of the 162 patients with an indication, 91 (56.2%) underwent surveillance colonoscopies after the age of 75. Twenty-three (3.7%) patients were diagnosed with a new CRC. Eighteen (78.2%) patients diagnosed with a new CRC underwent surgery. The median survival overall was 12.9 years (95% CI 12.2-13.5). This did not differ between patients with (13.1, 95% CI 12.1-14.1) or without (12.6, 95% CI 11.2-14.0) an indication for surveillance. This study found one quarter of patients who had a colonoscopy between the ages of 71-75 had an indication for surveillance colonoscopy. Most patients with a new CRC underwent surgery. This study suggests it may be appropriate to update the AoNZ guidelines and consider adopting a risk stratification tool to aid decision making.

Sections du résumé

BACKGROUND
Aotearoa New Zealand (AoNZ) guidelines suggest surveillance colonoscopy should be carefully considered after age 75. The authors noted a cluster of patients presenting in their 8th and 9th decade of life with a new colorectal cancer (CRC) having previously been declined surveillance colonoscopy.
METHODS
A 7-year retrospective analysis was performed of patients who underwent a colonoscopy aged between 71 and 75 years in the period between 2006 and 2012. Kaplan-Meier graphs were created with survival measured from the time of index colonoscopy. Log rank tests were used to determine any difference in survival distribution. Relative risk (RR) was calculated, and 95% confidence intervals (CI) reported.
RESULTS
A total of 623 patients met inclusion criteria; 461 (74%) had no indication for surveillance colonoscopy and 162 (26%) had an indication. Of the 162 patients with an indication, 91 (56.2%) underwent surveillance colonoscopies after the age of 75. Twenty-three (3.7%) patients were diagnosed with a new CRC. Eighteen (78.2%) patients diagnosed with a new CRC underwent surgery. The median survival overall was 12.9 years (95% CI 12.2-13.5). This did not differ between patients with (13.1, 95% CI 12.1-14.1) or without (12.6, 95% CI 11.2-14.0) an indication for surveillance.
CONCLUSION
This study found one quarter of patients who had a colonoscopy between the ages of 71-75 had an indication for surveillance colonoscopy. Most patients with a new CRC underwent surgery. This study suggests it may be appropriate to update the AoNZ guidelines and consider adopting a risk stratification tool to aid decision making.

Identifiants

pubmed: 36811312
doi: 10.1111/ans.18344
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

2138-2142

Informations de copyright

© 2023 Royal Australasian College of Surgeons.

Références

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Blackmore T, Norman K, Kidd J et al. Barriers and facilitators to colorectal cancer diagnosis in New Zealand: a qualitative study. BMC Fam. Pract. 2020; 21: 206.
Xi Y, Xu P. Global colorectal cancer burden in 2020 and projections to 2040. Transl. Oncol. 2021; 14: 101174.
Rutter MD, East J, Rees CJ et al. British Society of Gastroenterology/Association of Coloproctology of Great Britain and Ireland/Public Health England post-polypectomy and post-colorectal cancer resection surveillance guidelines. Gut 2020; 69: 201-23.
Ogata T, Yoshida N, Sadakari Y et al. Colorectal cancer surgery in elderly patients 80 years and older: a comparison with younger age groups. J. Gastrointest. Oncol. 2022; 13: 137-48.
New Zealand Guidelines Group. Guidance on Surveillance for People at Increased Risk of Colorectal Cancer. Wellington: New Zealand Guidelines Group, 2012. Available from URL: www.nzfgcs.co.nz.
Ministry of Health. Our changing population, 2016. Available from URL: www.health.govt.nz/nz-health-statistics.
Ministry of Health. Update on Polyp Surveillance Guidelines. Wellington: Ministry of Health, 2020. Available from URL: www.nzsg.org.nz.
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Kahi CJ, Azzouz F, Juliar BE, Imperiale TF. Survival of elderly persons undergoing colonoscopy: implications for colorectal cancer screening and surveillance. Gastrointest. Endosc. 2007; 66: 544-50.
Hassan C, Antonelli G, Dumonceau JM et al. Post-polypectomy colonoscopy surveillance: European Society of Gastrointestinal Endoscopy (ESGE) guideline - update 2020. Endoscopy 2020; 52: 687-700.
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Auteurs

Matthew J McGuinness (MJ)

Invercargill Hospital, Te Whatu Ora, Invercargill, New Zealand.
Faculty of Medical and Health Science, University of Auckland, Auckland, New Zealand.

Nejo Joseph (N)

Faculty of Medical and Health Science, University of Auckland, Auckland, New Zealand.

Simon J G Richards (SJG)

Invercargill Hospital, Te Whatu Ora, Invercargill, New Zealand.
Senior Clinical Lecture, University of Otago, Dunedin, New Zealand.

Julian M Speight (JM)

Invercargill Hospital, Te Whatu Ora, Invercargill, New Zealand.
Senior Clinical Lecture, University of Otago, Dunedin, New Zealand.

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