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26.08.2019 | Original Article | Ausgabe 2/2020

Gastric Cancer 2/2020

Surgical outcomes of elderly patients with Stage I gastric cancer from the nationwide registry of the Japanese Gastric Cancer Association

Zeitschrift:
Gastric Cancer > Ausgabe 2/2020
Autoren:
Souya Nunobe, Ichiro Oda, Takashi Ishikawa, Kohei Akazawa, Hitoshi Katai, Yoh Isobe, Isao Miyashiro, Shunichi Tsujitani, Hiroyuki Ono, Satoshi Tanabe, Takeo Fukagawa, Satoshi Suzuki, Yoshihiro Kakeji, the Registration Committee of the Japanese Gastric Cancer
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Abstract

Background

The proportion of elderly patients undergoing surgery for gastric cancer is increasing. However, limited number of therapeutic outcomes in the elderly has been reported. Here we examined the surgical results based on a nationwide survey of elderly patients who underwent surgery for Stage I gastric cancer.

Methods

Data from 68,353 Stage I patients who underwent gastrectomy between 2001 and 2007 were retrospectively collected. The accumulated data were reviewed and analyzed by the Japanese Gastric Cancer Association registration committee. We first classified the patients as those aged ≤ 74 years and ≥ 75 years. We further classified those patients aged ≥ 75 years into groups by 5-year increments to examine their short- and long-term postoperative outcomes.

Results

Patients aged ≥ 75 years accounted for 46.5%. The 30-day mortality rate was < 0.7% for any age group, but for those aged ≥ 75 years, the 60-day and 90-day mortality rates were 0.9–2.3% and 1.2–5.1%, respectively. An examination of long-term survival indicated that, as the class of age increased, the 5-year overall survival (OS) was 47.0–93.1% and disease-specific survival (DSS) was 91.4–98.2%, respectively. Although high DSS rates of ≥ 90% were found for all age groups, OS only accounted for ≤ 82% of patients aged ≥ 75 years.

Conclusion

Among elderly patients with Stage I gastric cancer, deaths due to other diseases were frequently observed in the long term. Thus, for elderly patients, it may be appropriate to reconsider the treatment strategy with respect to the balance between the invasiveness of the treatment and the prognosis.

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