1.Exploring Oncologists’ Perspectives on the Early Integration of Specialty Palliative Care in Korea: Challenges, Needs, and Clinical Implications
Shin Hye YOO ; Yu Jung KIM ; Ye Sul JEUNG ; Jung Sun KIM ; Kwonoh PARK ; Eun Mi NAM ; Si Won LEE ; Jun Ho JI ; Jwa Hoon KIM ; Joon Young HUR ; Song Ee PARK ; Jung Lim LEE ; Su-Jin KOH
Cancer Research and Treatment 2026;58(1):339-348
Purpose:
This study aimed to explore the practices, perceptions, and barriers related to specialty palliative care (SPC) referrals among oncologists in Korea, highlighting the clinical implications of early integration.
Materials and Methods:
A cross-sectional online survey targeting board-certified hemato-oncology specialists was conducted between August 1-25, 2024. The survey assessed referral practices, attitudes toward early SPC integration, referral criteria, barriers, and institutional characteristics.
Results:
A total of 227 oncologists participated (response rate, 36.7%). Among them, 68.7% reported frequent SPC referrals, with higher referral rates observed among younger physicians, those in tertiary hospitals, and institutions with in-house SPC teams (p < 0.001). Although 74.9% supported early SPC integration, referrals were often inconsistently timed, frequently occurring after disease progression or at the discontinuation of chemotherapy. For time-based referrals, the most commonly endorsed triggers were disease progression despite palliative second-line treatment and a prognosis of expected mortality within 6-12 months. Need-based referral triggers such as patient or family requests (96.5%), psychological distress (89.9%), or uncontrolled symptoms (83.3%), were also widely endorsed. The major barriers to early SPC integration included patient and family resistance (70.0%) and limited availability of SPC teams (34.4%).
Conclusion
This study emphasizes the importance of systematic efforts to promote timely SPC integration in Korea, including education to raise patient awareness, improved referral systems, and enhanced infrastructure. The positive attitudes toward early SPC among oncologists reflect a growing recognition of its value, highlighting the need for strategies that align with international standards.
2.Administration of Calcium and Magnesium in Acute Intracerebral Hemorrhage Patients: Assessing Safety and Feasibility
Moinay KIM ; Wonhyoung PARK ; Jun Ha HWANG ; Jae Hyun KIM ; Yeongu CHUNG ; Si Un LEE ; Joonho BYUN ; Jung Cheol PARK ; Jae Sung AHN ; Seungjoo LEE
Journal of Korean Medical Science 2025;40(14):e45-
Background:
Serum calcium and magnesium levels are a key factor of the coagulation cascade and may potentially contribute to the pathophysiology of intracerebral hemorrhage (ICH) expansion. The aim of this study was to attain and sustain target levels of serum calcium and magnesium for three days following admission.
Methods:
A single-blind, prospective, multicenter randomized study was conducted from 2019 to 2022 years, enrolling acute ICH patients aged 18–80 years, with radiological diagnosis and without surgical intervention. Participants were randomly assigned in a 1:1 ratio to either the study group or the control group. In the study group, the target serum levels of calcium (9–10.2 mg/dL) and magnesium (2–3 mg/dL) were actively achieved and maintained for a duration of 3 days following admission. The primary outcome was the expansion of ICH volume within the first 3 days between the study group and the control groups.
Results:
After implementing inclusion/exclusion criteria, 105 of 354 patients remained in the study. There were no significant differences in ICH volume on hospital days 2 and 3 between the groups. Admission factors including Glasgow coma scale score, hemoglobin level, ICH volume, and spot sign showed significant correlations in multivariate analysis. On the third day of hospitalization, admission serum magnesium levels showed a significant correlation with ICH expansion, whereas calcium levels did not.
Conclusion
Admission serum magnesium levels were found to correlate with hematoma expansion in patients with acute ICH. While magnesium itself may not be a direct therapeutic target, it could serve as a valuable indicator for identifying potential therapeutic strategies aimed at preventing ICH volume increase.
3.Erratum: Correction of Funding Information in the Article “Administration of Calcium and Magnesium in Acute Intracerebral Hemorrhage Patients: Assessing Safety and Feasibility”
Moinay KIM ; Wonhyoung PARK ; Jun Ha HWANG ; Jae Hyun KIM ; Yeongu CHUNG ; Si Un LEE ; Joonho BYUN ; Jung Cheol PARK ; Jae Sung AHN ; Seungjoo LEE
Journal of Korean Medical Science 2025;40(17):e157-
4.Erratum: Correction of Funding Information in the Article “Administration of Calcium and Magnesium in Acute Intracerebral Hemorrhage Patients: Assessing Safety and Feasibility”
Moinay KIM ; Wonhyoung PARK ; Jun Ha HWANG ; Jae Hyun KIM ; Yeongu CHUNG ; Si Un LEE ; Joonho BYUN ; Jung Cheol PARK ; Jae Sung AHN ; Seungjoo LEE
Journal of Korean Medical Science 2025;40(17):e157-
5.Administration of Calcium and Magnesium in Acute Intracerebral Hemorrhage Patients: Assessing Safety and Feasibility
Moinay KIM ; Wonhyoung PARK ; Jun Ha HWANG ; Jae Hyun KIM ; Yeongu CHUNG ; Si Un LEE ; Joonho BYUN ; Jung Cheol PARK ; Jae Sung AHN ; Seungjoo LEE
Journal of Korean Medical Science 2025;40(14):e45-
Background:
Serum calcium and magnesium levels are a key factor of the coagulation cascade and may potentially contribute to the pathophysiology of intracerebral hemorrhage (ICH) expansion. The aim of this study was to attain and sustain target levels of serum calcium and magnesium for three days following admission.
Methods:
A single-blind, prospective, multicenter randomized study was conducted from 2019 to 2022 years, enrolling acute ICH patients aged 18–80 years, with radiological diagnosis and without surgical intervention. Participants were randomly assigned in a 1:1 ratio to either the study group or the control group. In the study group, the target serum levels of calcium (9–10.2 mg/dL) and magnesium (2–3 mg/dL) were actively achieved and maintained for a duration of 3 days following admission. The primary outcome was the expansion of ICH volume within the first 3 days between the study group and the control groups.
Results:
After implementing inclusion/exclusion criteria, 105 of 354 patients remained in the study. There were no significant differences in ICH volume on hospital days 2 and 3 between the groups. Admission factors including Glasgow coma scale score, hemoglobin level, ICH volume, and spot sign showed significant correlations in multivariate analysis. On the third day of hospitalization, admission serum magnesium levels showed a significant correlation with ICH expansion, whereas calcium levels did not.
Conclusion
Admission serum magnesium levels were found to correlate with hematoma expansion in patients with acute ICH. While magnesium itself may not be a direct therapeutic target, it could serve as a valuable indicator for identifying potential therapeutic strategies aimed at preventing ICH volume increase.
6.Erratum: Correction of Funding Information in the Article “Administration of Calcium and Magnesium in Acute Intracerebral Hemorrhage Patients: Assessing Safety and Feasibility”
Moinay KIM ; Wonhyoung PARK ; Jun Ha HWANG ; Jae Hyun KIM ; Yeongu CHUNG ; Si Un LEE ; Joonho BYUN ; Jung Cheol PARK ; Jae Sung AHN ; Seungjoo LEE
Journal of Korean Medical Science 2025;40(17):e157-
7.Administration of Calcium and Magnesium in Acute Intracerebral Hemorrhage Patients: Assessing Safety and Feasibility
Moinay KIM ; Wonhyoung PARK ; Jun Ha HWANG ; Jae Hyun KIM ; Yeongu CHUNG ; Si Un LEE ; Joonho BYUN ; Jung Cheol PARK ; Jae Sung AHN ; Seungjoo LEE
Journal of Korean Medical Science 2025;40(14):e45-
Background:
Serum calcium and magnesium levels are a key factor of the coagulation cascade and may potentially contribute to the pathophysiology of intracerebral hemorrhage (ICH) expansion. The aim of this study was to attain and sustain target levels of serum calcium and magnesium for three days following admission.
Methods:
A single-blind, prospective, multicenter randomized study was conducted from 2019 to 2022 years, enrolling acute ICH patients aged 18–80 years, with radiological diagnosis and without surgical intervention. Participants were randomly assigned in a 1:1 ratio to either the study group or the control group. In the study group, the target serum levels of calcium (9–10.2 mg/dL) and magnesium (2–3 mg/dL) were actively achieved and maintained for a duration of 3 days following admission. The primary outcome was the expansion of ICH volume within the first 3 days between the study group and the control groups.
Results:
After implementing inclusion/exclusion criteria, 105 of 354 patients remained in the study. There were no significant differences in ICH volume on hospital days 2 and 3 between the groups. Admission factors including Glasgow coma scale score, hemoglobin level, ICH volume, and spot sign showed significant correlations in multivariate analysis. On the third day of hospitalization, admission serum magnesium levels showed a significant correlation with ICH expansion, whereas calcium levels did not.
Conclusion
Admission serum magnesium levels were found to correlate with hematoma expansion in patients with acute ICH. While magnesium itself may not be a direct therapeutic target, it could serve as a valuable indicator for identifying potential therapeutic strategies aimed at preventing ICH volume increase.
8.Administration of Calcium and Magnesium in Acute Intracerebral Hemorrhage Patients: Assessing Safety and Feasibility
Moinay KIM ; Wonhyoung PARK ; Jun Ha HWANG ; Jae Hyun KIM ; Yeongu CHUNG ; Si Un LEE ; Joonho BYUN ; Jung Cheol PARK ; Jae Sung AHN ; Seungjoo LEE
Journal of Korean Medical Science 2025;40(14):e45-
Background:
Serum calcium and magnesium levels are a key factor of the coagulation cascade and may potentially contribute to the pathophysiology of intracerebral hemorrhage (ICH) expansion. The aim of this study was to attain and sustain target levels of serum calcium and magnesium for three days following admission.
Methods:
A single-blind, prospective, multicenter randomized study was conducted from 2019 to 2022 years, enrolling acute ICH patients aged 18–80 years, with radiological diagnosis and without surgical intervention. Participants were randomly assigned in a 1:1 ratio to either the study group or the control group. In the study group, the target serum levels of calcium (9–10.2 mg/dL) and magnesium (2–3 mg/dL) were actively achieved and maintained for a duration of 3 days following admission. The primary outcome was the expansion of ICH volume within the first 3 days between the study group and the control groups.
Results:
After implementing inclusion/exclusion criteria, 105 of 354 patients remained in the study. There were no significant differences in ICH volume on hospital days 2 and 3 between the groups. Admission factors including Glasgow coma scale score, hemoglobin level, ICH volume, and spot sign showed significant correlations in multivariate analysis. On the third day of hospitalization, admission serum magnesium levels showed a significant correlation with ICH expansion, whereas calcium levels did not.
Conclusion
Admission serum magnesium levels were found to correlate with hematoma expansion in patients with acute ICH. While magnesium itself may not be a direct therapeutic target, it could serve as a valuable indicator for identifying potential therapeutic strategies aimed at preventing ICH volume increase.
9.Erratum: Correction of Funding Information in the Article “Administration of Calcium and Magnesium in Acute Intracerebral Hemorrhage Patients: Assessing Safety and Feasibility”
Moinay KIM ; Wonhyoung PARK ; Jun Ha HWANG ; Jae Hyun KIM ; Yeongu CHUNG ; Si Un LEE ; Joonho BYUN ; Jung Cheol PARK ; Jae Sung AHN ; Seungjoo LEE
Journal of Korean Medical Science 2025;40(17):e157-
10.Current status of treatment for esophagojejunostomy leakage after total gastrectomy in patients with gastric cancer: a multicenter retrospective study in Korea
Min-Chan KIM ; Mi Ran JUNG ; Jeong Ju NOH ; Sunghwa KANG ; Jae Hun CHUNG ; Ji-Ho PARK ; Tae-Han KIM ; Jae Kyun PARK ; Yoonhong KIM ; Sang Hyuk SEO ; Sung Eun KIM ; Oh Kyung KWON ; Ji Yeon PARK ; Ki Bum PARK ; Sun-Hwi HWANG ; SI-Hak LEE ; Young-Joon LEE ; Sang-Ho JEONG ; Tae-Yong JEON ; Dae Hwan KIM ; Chang In CHOI ; Ki Young YOON ; Kyung Won SEO ; Ki Hyun KIM ; Sang Hoon OH ; Kwang Hee KIM
Journal of Minimally Invasive Surgery 2025;28(4):184-192
Purpose:
Esophagojejunostomy leakage (EJL) remains one of the most critical complications following total gastrectomy for gastric cancer. This study aimed to evaluate the evolving therapeutic approaches and clinical outcomes of EJL using data from a large-scale multicenter retrospective cohort.
Methods:
Among 6,577 patients who underwent total gastrectomy or proximal gastrectomy with double tract reconstruction at nine institutions from 2003 to 2024, 196 (3.0%) developed EJL. Of these, 162 patients with comprehensive clinical data were included in the final analysis. The study examined treatment modalities, changes in management over time, patient characteristics, surgical variables, and clinical outcomes. Four groups were defined according to treatment approach: conservative, endoscopic, reoperation, and multimodal (combined) therapy.
Results:
Endoscopic therapy was first introduced in 2011 and has progressively supplanted reoperation, now comprising 32.5% of cases. The average time to EJL diagnosis was 8.4 days after surgery. Overall in-hospital mortality was 6.1% (10/162). When conservative management was excluded, endoscopic treatment demonstrated the highest rate of therapeutic success (94.3%, p = 0.004). Both the duration until diet resumption and length of hospital stay were notably reduced in the endoscopic and conservative groups compared with reoperation and multimodal therapy (p < 0.001). Moreover, although the highest post-leakage hospitalization costs were observed with multimodal treatment (p < 0.001), overall hospitalization expenses were significantly lower for patients managed conservatively or with endoscopic intervention (p < 0.001).
Conclusion
Over the past two decades, management of EJL has shifted toward endoscopic approaches. Endoscopic therapies yield superior clinical outcomes and should be considered a primary option for appropriate candidates.

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