Abstract
Introduction
The number of colonoscopy (CS) for the elderly is increasing. There are only a few reports focusing on CS among the very elderly aged ≥ 90-y. We aimed to analyze the efficacy of CS and of colorectal cancer (CRC) for patients aged ≥ 90-y.
Methods
We retrospectively analyzed consecutive patients aged ≥ 90-y receiving CS at eight institutions from October 2016 to September 2017. Bowel preparation, complications, and endoscopic diagnosis were analyzed. The non-elderly group aged between 50-y and 64-y and elderly group aged between 65-y and 79-y were compared to very-elderly group aged ≥ 90-y. Through propensity score matching of sex and CS indications (symptomatic or asymptomatic), the number of CRC and the treatment in each group were analyzed.
Results
We analyzed 125 patients receiving 154 colonoscopies (0.9%) in the very-elderly group from among 16,968 cases. Among 92 cases who received bowel-cleansing solution, good preparations were achieved in 94.5%. The rate of CS-related complications was 1.3% (2/154). The rate of CRC in the very-elderly group was 27.2% (34/125), higher than the non-elderly group (7.2%, 9/125, p < 0.01) and elderly group (8.8%, 11/125, p < 0.01). Therapeutic interventions for CRC in the very-elderly group were performed in 73.5% (24/34) patients. The mean survival of 12 patients with CRC resection was 788 days.
Conclusions
CS could be performed safely for the very elderly aged ≥ 90-y with careful considerations. CRC was confirmed to be more frequent in this group with over 70% of patients receiving appropriate therapeutic intervention.
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Acknowledgments
The authors would like to thank Dr. Kenji Itani, Dr. Takashi Shimomura in Nishijin Hospital and we also thank Dr. Yuri Tomita, Dr. Hikaru Hashimoto, Dr. Satoshi Sugino, Dr. Yasutaka Morimoto, Dr. Munehiro Kugai, Dr. Kouhei Fukumoto, Dr. Hiroyuki Yoriki, and Dr. Takayuki Motoyoshi, who were members of Kyoto Improvement of Colonoscopy Seminar for their assistance with this study.
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YI, NY, DH, KK, RY, KI, RH, OD, TO, YI, KO, KO, AT, KS, TM, and YI declare that they have no conflict of interest.
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The study was performed in a manner to conform with the Helsinki Declaration of 1975, as revised in 2000 and 2008 concerning human and animal rights, and the authors followed the policy concerning informed consent as shown on Springer.com. The study was conducted after obtaining proper ethical clearance from the representative institutional ethics committee, Nishijin Hospital.
This study was a retrospective setting and an opt-out was performed in the representative facility.
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Inagaki, Y., Yoshida, N., Hasegawa, D. et al. The efficacy and safety of colonoscopy in nonagenarians: A multicenter study. Indian J Gastroenterol 39, 557–564 (2020). https://doi.org/10.1007/s12664-020-01066-3
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DOI: https://doi.org/10.1007/s12664-020-01066-3