Annals of Clinical Nutrition and Metabolism

Perioperative nutritional practice of surgeons in Korea: a survey study: Ji-Hyeon Park, Mi Ran Jung, Sang Hyun Kim, Hongbeom Kim, Gyeongsil Lee, Jae-Seok Min, Heung-Kwon Oh, Jung Hoon Bae, Yoona Chung, Dong-Seok Han, Seung Wan Ryu, The External Relation Committee of the Korean Society of Surgical Metabolism and Nutrition; Ann Clin Nutr Metab 2024;16(3):134-148. Published online December 1, 2024; DOI: https://doi.org/10.15747/ACNM.2024.16.3.134

Purpose: Enhanced recovery after surgery (ERAS) protocols advocate reduced fasting and early nutrition to improve recovery in surgical patients. However, data on ERAS implementation among Korean surgeons performing major abdominal surgeries remain sparse.
Methods: A survey conducted by the External Relation Committee of the Korean Society of Surgical Metabolism and Nutrition assessed perioperative nutritional practices among 389 Korean general surgeons from February to September 2023. The survey covered preoperative fasting, carbohydrate drinks, nasogastric tube use, postoperative dietary progression, parenteral nutrition (PN), and oral supplements, yielding 551 responses stratified by specialty.
Results: More than 80% of respondents practiced “midnight NPO (Nil Per Os)” fasting, often at the anesthesiology department’s request, while 70%–80% reported no use of preoperative carbohydrate drinks. Most surgeons began dietary progression with water on postoperative day one, advancing to a liquid or soft diet by day two. PN was routinely prescribed by 49% of respondents, with a common dosage of 1,000–1,500 kcal/d. Oral supplements were selectively provided, with 21% of surgeons prescribing them universally.
Conclusion: The results reveal significant variability in perioperative nutrition practices across Korean surgical specialties, with many adhering to traditional practices despite ERAS guidelines. These findings highlight a need for standardized guidelines in Korea to optimize perioperative nutritional support and improve patient recovery outcomes following major abdominal surgeries.

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Development of the Korean enhanced recovery after surgery audit program
Soo-Hyuk Yoon, Jae-Woo Ju, Ho-Jin Lee, Jeesun Kim, Min Jung Kim, Ji Won Park, Do Joong Park, Seung Yong Jeong
Scientific Reports.2025;[Epub] CrossRef
Perioperative nutrition practices in gastrointestinal cancer surgery: A nationwide survey among German surgical departments
Rahel Maria Strobel, Katharina Beyer, Johannes Christian Lauscher, Marc Martignoni, Christoph Reißfelder, Tim Vilz, Arved Weimann, Maria Wobith
Langenbeck's Archives of Surgery.2025;[Epub] CrossRef

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Development and Internal/External Validation of a Prediction Model for Weight Loss Following Gastric Cancer Surgery: A Multicenter Retrospective Study: Ji-Hyeon Park, Seong-Ho Kong, Do Joong Park, Han-Kwang Yang, Jong Won Kim, Ki Bum Park, In Cho, Sun-Hwi Hwang, Dong-Wook Kim, Su Mi Kim, Seung-Wan Ryu, Seong Chan Gong, Pil Young Jung, Hoon Ryu, Sung Geun Kim, Chang In Choi, Dae-Hwan Kim, Sung-IL Choi, Ji-Ho Park, Dong Jin Park, Gyu-Yeol Kim, Yunhee Choi, Hyuk-Joon Lee; Ann Clin Nutr Metab 2022;14(2):55-65. Published online December 1, 2022; DOI: https://doi.org/10.15747/ACNM.2022.14.2.55

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Purpose: To develop an individualized model for predicting the extent of unintentional weight loss following gastrectomy in patients with gastric cancer based on related risk factors and to externally validate this model using multicenter clinical data in Korea.
Materials and Methods: Among gastric cancer patients who underwent curative gastrectomy at 14 different gastric cancer centers, clinical data from patients with more than one weight measurement during the three-year follow-up period were retrospectively collected. Risk factors associated with weight loss in gastric cancer patients after gastrectomy were analyzed, and a predictive model was developed. Internal and external validation were performed.
Results: The data from 2,649 patients were divided into a derivation set (n=1,420 from Seoul National University Hospital) and validation set (n=1,229 from 13 different gastric cancers). Postoperative duration (six vs. 12, 24, or 36 months), sex (female vs. male), age, preoperative body mass index, type of surgery (pylorus-preserving vs. total, distal or proximal gastrectomy), and cancer stage (I vs. II or III) were included in the final prediction model. The model showed approximately 20% accuracy in predicting weight loss at each period: R2 at six, 12, 24 and 36 months after gastrectomy in internal validation=0.20, 0.21, 0.17, and 0.18, respectively, and in external validation=0.20, 0.22, 0.18, and 0.18, respectively. Calibration slopes of internal and external validation were 0.95 and 1.0, respectively.
Conclusion: Although predictive accuracy of the model did not reach an acceptable level, repeated external validation measurements showed high reliability. The model may serve as a basic reference in clinical practice.

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Development and Feasibility Assessment of Mobile Application-Based Digital Therapeutics for Postoperative Supportive Care in Gastric Cancer Patients Following Gastrectomy
Ji-Hyeon Park, Hyuk-Joon Lee, JeeSun Kim, Yo-Seok Cho, Sunjoo Lee, Seongmin Park, Hwinyeong Choe, Eunhwa Song, Youngran Kim, Seong-Ho Kong, Do Joong Park, Byung-Ho Nam, Han-Kwang Yang
Journal of Gastric Cancer.2024; 24(4): 420. CrossRef

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Long-Term Changes of Body Mass Index and Nutritional Biochemical Markers in the Obese Elderly with Gastric Cancer: Eunjung Kim, Ji-Hyeon Park, Eun-Mi Seol, Seong-Ho Kong, Do Joong Park, Han-Kwang Yang, Hyuk-Joon Lee; Ann Clin Nutr Metab 2021;13(2):52-61. Published online December 31, 2021; DOI: https://doi.org/10.15747/ACNM.2021.13.2.52

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