Outcome after gastrectomy in gastric cancer patients with type 2 diabetes

Jong Won Kim, Jae Ho Cheong, Woo Jin Hyung, Seung Ho Choi, Sung Hoon Noh

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44 Citations (Scopus)

Abstract

AIM: To evaluate the prognosis of type II diabetes mellitus (T2DM) after gastrectomy and related factors in gastric cancer patients. METHODS: 403 gastric cancer patients with T2DM were studied, who underwent gastrectomy between May 2003 and September 2009. A review of medical records and telephone interviews was performed in this cross-sectional study. The factors included in the statistical analysis were as follows: gender, age, type of surgery, preoperative body mass index (BMI), current BMI, BMI reduction ratio, preoperative insulin or oral diabetic medicine requirement, follow-up duration, and current state of diabetes. Assessment of diabetes status after surgery was classified into four categories according to the change in hypoglycemic agents after surgery and present status of T2DM: resolution, improvement, same, and worse. RESULTS: The mean follow-up duration was 33.7 mo(± 20.6 mo), preoperative BMI was 24.7 kg/m 2 (± 3.0 kg/m 2), and BMI reduction ratio was 9.8% (± 8.6%). After surgery, T2DM was cured in 58 patients (15.1%) and was improved in 117 patients (30.4%). According to the type of surgery, the BMI reduction ratio was significantly higher in the total gastrectomy and Roux-en-Y reconstruction group [14.2% ± 9.2% vs 9.2% ± 7.7% (Billroth II group), P < 0.001] and significantly lower in the subtotal gastrectomy and Billroth I reconstruction group [7.6% ± 8.0%, 9.2% ± 7.7% (Billroth II group), P < 0.001]. The BMI reduction ratio, follow-up duration after surgery, type of surgery, extent of gastrectomy, and performance of duodenal bypass were significantly correlated to the course of T2DM (P < 0.05). The BMI reduction ratio was the most influential factor on T2DM status. In a subgroup analysis of patients with a BMI reduction ratio of 10% or less (n = 206), T2DM was cured in 15 (7.6%) patients and was improved in 57 (28.8%) patients after surgery, and only the duration of surgery was significantly correlated to T2DM status (P = 0.022). CONCLUSION: The course of T2DM was significantly correlated to the BMI reduction ratio but not to the type of surgery without a significant change in BMI.

Original languageEnglish
Pages (from-to)49-54
Number of pages6
JournalWorld Journal of Gastroenterology
Volume18
Issue number1
DOIs
Publication statusPublished - 2012 Jan 7

All Science Journal Classification (ASJC) codes

  • Gastroenterology

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