Journal of Yeungnam Medical Science

Original articles

Anesthesiology and Pain Medicine
Quadratus lumborum block for postoperative pain management in patients undergoing ileostomy closure: a prospective, randomized controlled trial: Su Jin Kang, Soo Yeun Park, Jun Seok Park, Jinseok Yeo; J Yeungnam Med Sci. 2026;43:5. Published online December 19, 2025; DOI: https://doi.org/10.12701/jyms.2026.43.5

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Abstract PDF: Background
Quadratus lumborum (QL) block is used for multimodal analgesia following abdominal surgery. We introduced an ultrasound-guided QL block to treat postoperative pain for ileostomy closure. This study aimed to investigate the analgesic efficacy of the QL block compared to placebo after ileostomy closure.
Methods
Fifty-seven patients undergoing elective ileostomy closure were randomized (1:1) to the placebo or QL block group in this double-blind randomized controlled trial. After general anesthesia, a unilateral QL block was performed under ultrasound guidance. Opioid consumption and numeric rating scale (NRS, 0–10) pain scores were recorded at 2, 6, 12, 24, 48, and 72 hours postoperatively. The primary outcome was the NRS pain score at rest at 6 hours. Secondary outcomes included pain scores, rescue analgesics over 72 hours, Quality of Recovery-15 scores in 24 hours, complications, and length of hospital stay.
Results
Baseline characteristics were similar among the 54 patients (27 per group) who completed the study, excluding three who dropped out. The QL block did not reduce NRS pain scores at rest at 6 hours (median [interquartile range], 5 [4–6] vs. 5 [3–6]; p=0.78). Over the 72-hour postoperative period, pain scores at rest remained comparable between the groups, while the QL group showed slightly lower movement-induced pain at certain time points. The QL group required fewer analgesics and antiemetics at certain intervals, but the total opioid use, length of hospital stay, and quality of recovery were not significantly different.
Conclusion
The QL block showed no meaningful advantage in postoperative analgesia compared to placebo for ileostomy closures.

Oncology and Cancer Research
Clinical implication of adjuvant chemotherapy according to mismatch repair status in patients with intermediate-risk stage II colon cancer: a retrospective study: Byung Woog Kang, Dong Won Baek, Eunhye Chang, Hye Jin Kim, Su Yeon Park, Jun Seok Park, Gyu Seog Choi, Jin Ho Baek, Jong Gwang Kim; J Yeungnam Med Sci. 2022;39(2):141-149. Published online December 22, 2021; DOI: https://doi.org/10.12701/yujm.2021.01571

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Background
The present study evaluated the clinical implications of adjuvant chemotherapy according to the mismatch repair (MMR) status and clinicopathologic features of patients with intermediate- and high-risk stage II colon cancer (CC).
Methods
This study retrospectively reviewed 5,774 patients who were diagnosed with CC and underwent curative surgical resection at Kyungpook National University Chilgok Hospital. The patients were enrolled according to the following criteria: (1) pathologically diagnosed with primary CC; (2) stage II CC classified based on the 7th edition of the American Joint Committee on Cancer staging system; (3) intermediate- and high-risk features; and (4) available test results for MMR status. A total of 286 patients met these criteria and were included in the study.
Results
Among the 286 patients, 54 (18.9%) were identified as microsatellite instability-high (MSI-H) or deficient MMR (dMMR). Although all the patients identified as MSI-H/dMMR showed better survival outcomes, T4 tumors and adjuvant chemotherapy were identified as independent prognostic factors for survival. For the intermediate-risk patients identified as MSI-low (MSI-L)/microsatellite stable (MSS) or proficient MMR (pMMR), adjuvant chemotherapy exhibited a significantly better disease-free survival (DFS) but had no impact on overall survival (OS). Oxaliplatin-containing regimens showed no association with DFS or OS. Adjuvant chemotherapy was not associated with DFS in intermediate-risk patients identified as MSI-H/dMMR.
Conclusion
The current study found that the use of adjuvant chemotherapy was correlated with better DFS in MSI-L/MSS or pMMR intermediate-risk stage II CC patients.

Citations

Citations to this article as recorded by

Behavioral and Neuroanatomical Consequences of Cell-Type Specific Loss of Dopamine D2 Receptors in the Mouse Cerebral Cortex
Gloria S. Lee, Devon L. Graham, Brenda L. Noble, Taylor S. Trammell, Deirdre M. McCarthy, Lisa R. Anderson, Marcelo Rubinstein, Pradeep G. Bhide, Gregg D. Stanwood
Frontiers in Behavioral Neuroscience.2022;[Epub] CrossRef
A pilot retrospective study of comprehensive nursing care on psychological disorder in colorectal cancer undergoing chemotherapy
Zhou-Yi Zhang, Rui Wang, Li Zhang, Ming-Li Gu, Xiu-E Guan
Medicine.2022; 101(28): e29707. CrossRef

Case Reports

Gastroenterology and Hepatology
A Case of Colchicine-Induced Neutropenia in Liver Cirrhosis Patient.: Ho Chan Lee, Heon Ju Lee, Yong Gil Kim, Jae Hyun Park, Sung Joon Kim, Jun Seok Park; Yeungnam Univ J Med. 2009;26(2):125-129. Published online December 31, 2009; DOI: https://doi.org/10.12701/yujm.2009.26.2.125

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Abstract PDF: Colchicine is an alkaloid that has been used for treating acute gouty arthritis, psoriasis, scleroderma and Behcet's syndrome. Colchicine decreased liver fibrosis in rats with carbon tetrachloride induced cirrhosis and in patients with many liver diseases. Therapeutic oral doses of colchicine may cause nausea, vomiting, abdominal pain and diarrhea. The adverse effect of colchicine associated with the dose is bone marrow suppression, and especially neutopenia. Neutropenia has often been reported in patients have taken an overdose of colchicine. We describe a 64-year-old female liver cirrhosis patient with neutropenia that was induced by a therapeutic dose of colchicine.

Gastroenterology and Hepatology
A Case of Jejunal Diverticula Which Caused Massive Small Bowel Bleeding.: Ho Chan Lee, Byung Ik Jang, Jae Hyun Park, Sung Joon Kim, Jun Seok Park, Sang Hoon Jung; Yeungnam Univ J Med. 2009;26(2):120-124. Published online December 31, 2009; DOI: https://doi.org/10.12701/yujm.2009.26.2.120

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Abstract PDF: Gastrointestinal bleeding is a common cause of hospitalization. Jejunal diverticula is a rare disease and it is an unusual cause of obscure gastrointestinal bleeding. After exclusion of the more common bleeding sources, small bowel diverticula should be considered as a possible rare cause of gastrointestinal bleeding. Jejunal diverticular bleeding is difficult to diagnose and treat because the bleeding site cannot be identified by routine endoscopy and radiologic studies. An exploratory operation is sometimes needed to diagnose and treat obscure gastrointestinal bleeding. If the bleeding site is certain, then surgical resection of the bleeding part of the bowel is the procedure of choice. We report here on a case of jejunal diverticular bleeding that was diagnosed by and treated with surgical resection.

Gastroenterology and Hepatology
Colon Cancer with a Nonspecific Inflammatory Colonoscopic Finding.: Jae Hyun Park, Byung Ik Jang, Ho Chan Lee, Sung Joon Kim, Jun Seok Park; Yeungnam Univ J Med. 2009;26(2):114-119. Published online December 31, 2009; DOI: https://doi.org/10.12701/yujm.2009.26.2.114

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Abstract PDF: Colon cancer is the second most common malignancy in Korea. It is classified as superficial type, the mass type, the ulcerative type, the ulceroinfiltrative type, the diffuse infiltrative type and the unclassified type according to the colonoscopic findings. We report here on a case of colon cancer that was initially misdiagnosed as acute infectious colitis at the initial presentation. A 64-year-old man visited to Yeungnam University Hospital for watery diarrhea and lower abdominal pain. Colonoscopy revealed long segmental edematous mucosa and hyperemic mucosa with stenosis in the transverse colon. He was diagnosed as having acute infectious colitis according to the colonoscopic finding. However, two days later after colonoscopy, he visited the emergency room for hematochezia. We performed computerized tomography(CT) and obtained blood samples to find the origin of the bleeding. We found thickening of the transverse colon lumen and ascites on the CT finding and an elevated level of tumor markers; we also obtained the results of the colonoscopic biopsy that was done via colonoscopy. He was finally diagnosed as having colon cancer with carcinomatosis, a poorly differentiated adenocarcinoma.

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