1.Psychometric Properties of the Mixed State Severity Index for Patients With Mood Disorder
Woojae MYUNG ; Hyeona YU ; Hyo Shin KANG ; Daseul LEE ; Junwoo JANG ; Jakyung LEE ; Joohyun YOON ; Yun Seong PARK ; Hyun A RYOO ; Ye Rim KIM ; Kwang Ho PARK ; Chan Woo LEE ; Yoonjeong JANG ; Kimyoung KIM ; Nara LEE ; Sanghoon HONG ; Hong-Hee WON ; Tae Hyon HA ; Jungkyu PARK
Psychiatry Investigation 2026;23(1):106-117
Objective:
This study aimed to develop a reliable and valid Mixed State Severity Index (MSSI) to assess mood instability in patients with mood disorders and determine cutoff scores.
Methods:
Twenty-one items were selected based on Koukopoulos’ criteria for mixed depressive episode, historically referred to as agitated depression, and Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision mixed features criteria. The MSSI was administered to 242 patients (major depressive disorder [n=92], bipolar disorder [BD] I [n=78], and BD II [n=72]) and 726 controls.
Results:
The MSSI demonstrated high internal consistency (α=0.78–0.90). Exploratory factor analysis revealed a stable four-factor structure. Based on receiver operating characteristic analysis, optimal cutoff scores were identified to distinguish mood disorder groups from controls, ranging from 19.5 to 27.5 depending on diagnosis.
Conclusion
The MSSI is a reliable and valid instrument for assessing the severity of mixed features in patients with mood disorders. The established cutoff scores enhance its clinical utility, providing robust diagnosis and treatment planning support.
2.A practical guide for enteral nutrition from the Korean Society for Parenteral and Enteral Nutrition: Part I. prescribing enteral nutrition orders
Ye Rim CHANG ; Bo-Eun KIM ; In Seok LEE ; Youn Soo CHO ; Sung-Sik HAN ; Eunjung KIM ; Hyunjung KIM ; Jae Hak KIM ; Jeong Wook KIM ; Sung Shin KIM ; Eunhee KONG ; Ja Kyung MIN ; Chi-Min PARK ; Jeongyun PARK ; Seungwan RYU ; Kyung Won SEO ; Jung Mi SONG ; Minji SEOK ; Eun-Mi SEOL ; Jinhee YOON ; Jeong Meen SEO ;
Annals of Clinical Nutrition and Metabolism 2025;17(1):3-8
Purpose:
This study aimed to develop a comprehensive practical guide for enteral nutrition (EN) designed to enhance patient safety and reduce complications in Korea. Under the leadership of the Korean Society for Parenteral and Enteral Nutrition (KSPEN), the initiative sought to standardize EN procedures, improve decision-making, and promote effective multidisciplinary communication.
Methods:
The KSPEN EN committee identified key questions related to EN practices and organized them into seven sections such as prescribing, delivery route selection, formula preparation, administration, and quality management. Twenty-one experts, selected based on their expertise, conducted a thorough literature review to formulate evidence-based recommendations. Drafts underwent peer review both within and across disciplines, with final revisions completed by the KSPEN Guideline Committee. The guide, which will be published in three installments, addresses critical elements of EN therapy and safety protocols.
Results:
The practical guide recommends that EN orders include detailed elements and advocates the use of electronic medical records for communication. Standardized prescription forms and supplementary safety measures are outlined. Review frequency is adjusted according to patient condition—daily for critically ill or unstable patients and as dictated by institutional protocols for stable patients. Evidence indicates that adherence to these protocols reduces mortality, complications, and prescription errors.
Conclusion
The KSPEN practical guide offers a robust framework for the safe delivery of EN tailored to Korea’s healthcare context. It emphasizes standardized protocols and interdisciplinary collaboration to improve nutritional outcomes, patient safety, and operational efficiency. Rigorous implementation and monitoring of adherence are critical for its success.
3.A practical guide for enteral nutrition from the Korean Society for Parenteral and Enteral Nutrition: Part I. prescribing enteral nutrition orders
Ye Rim CHANG ; Bo-Eun KIM ; In Seok LEE ; Youn Soo CHO ; Sung-Sik HAN ; Eunjung KIM ; Hyunjung KIM ; Jae Hak KIM ; Jeong Wook KIM ; Sung Shin KIM ; Eunhee KONG ; Ja Kyung MIN ; Chi-Min PARK ; Jeongyun PARK ; Seungwan RYU ; Kyung Won SEO ; Jung Mi SONG ; Minji SEOK ; Eun-Mi SEOL ; Jinhee YOON ; Jeong Meen SEO ;
Annals of Clinical Nutrition and Metabolism 2025;17(1):3-8
Purpose:
This study aimed to develop a comprehensive practical guide for enteral nutrition (EN) designed to enhance patient safety and reduce complications in Korea. Under the leadership of the Korean Society for Parenteral and Enteral Nutrition (KSPEN), the initiative sought to standardize EN procedures, improve decision-making, and promote effective multidisciplinary communication.
Methods:
The KSPEN EN committee identified key questions related to EN practices and organized them into seven sections such as prescribing, delivery route selection, formula preparation, administration, and quality management. Twenty-one experts, selected based on their expertise, conducted a thorough literature review to formulate evidence-based recommendations. Drafts underwent peer review both within and across disciplines, with final revisions completed by the KSPEN Guideline Committee. The guide, which will be published in three installments, addresses critical elements of EN therapy and safety protocols.
Results:
The practical guide recommends that EN orders include detailed elements and advocates the use of electronic medical records for communication. Standardized prescription forms and supplementary safety measures are outlined. Review frequency is adjusted according to patient condition—daily for critically ill or unstable patients and as dictated by institutional protocols for stable patients. Evidence indicates that adherence to these protocols reduces mortality, complications, and prescription errors.
Conclusion
The KSPEN practical guide offers a robust framework for the safe delivery of EN tailored to Korea’s healthcare context. It emphasizes standardized protocols and interdisciplinary collaboration to improve nutritional outcomes, patient safety, and operational efficiency. Rigorous implementation and monitoring of adherence are critical for its success.
4.A practical guide for enteral nutrition from the Korean Society for Parenteral and Enteral Nutrition: Part I. prescribing enteral nutrition orders
Ye Rim CHANG ; Bo-Eun KIM ; In Seok LEE ; Youn Soo CHO ; Sung-Sik HAN ; Eunjung KIM ; Hyunjung KIM ; Jae Hak KIM ; Jeong Wook KIM ; Sung Shin KIM ; Eunhee KONG ; Ja Kyung MIN ; Chi-Min PARK ; Jeongyun PARK ; Seungwan RYU ; Kyung Won SEO ; Jung Mi SONG ; Minji SEOK ; Eun-Mi SEOL ; Jinhee YOON ; Jeong Meen SEO ;
Annals of Clinical Nutrition and Metabolism 2025;17(1):3-8
Purpose:
This study aimed to develop a comprehensive practical guide for enteral nutrition (EN) designed to enhance patient safety and reduce complications in Korea. Under the leadership of the Korean Society for Parenteral and Enteral Nutrition (KSPEN), the initiative sought to standardize EN procedures, improve decision-making, and promote effective multidisciplinary communication.
Methods:
The KSPEN EN committee identified key questions related to EN practices and organized them into seven sections such as prescribing, delivery route selection, formula preparation, administration, and quality management. Twenty-one experts, selected based on their expertise, conducted a thorough literature review to formulate evidence-based recommendations. Drafts underwent peer review both within and across disciplines, with final revisions completed by the KSPEN Guideline Committee. The guide, which will be published in three installments, addresses critical elements of EN therapy and safety protocols.
Results:
The practical guide recommends that EN orders include detailed elements and advocates the use of electronic medical records for communication. Standardized prescription forms and supplementary safety measures are outlined. Review frequency is adjusted according to patient condition—daily for critically ill or unstable patients and as dictated by institutional protocols for stable patients. Evidence indicates that adherence to these protocols reduces mortality, complications, and prescription errors.
Conclusion
The KSPEN practical guide offers a robust framework for the safe delivery of EN tailored to Korea’s healthcare context. It emphasizes standardized protocols and interdisciplinary collaboration to improve nutritional outcomes, patient safety, and operational efficiency. Rigorous implementation and monitoring of adherence are critical for its success.
5.A practical guide for enteral nutrition from the Korean Society for Parenteral and Enteral Nutrition: Part I. prescribing enteral nutrition orders
Ye Rim CHANG ; Bo-Eun KIM ; In Seok LEE ; Youn Soo CHO ; Sung-Sik HAN ; Eunjung KIM ; Hyunjung KIM ; Jae Hak KIM ; Jeong Wook KIM ; Sung Shin KIM ; Eunhee KONG ; Ja Kyung MIN ; Chi-Min PARK ; Jeongyun PARK ; Seungwan RYU ; Kyung Won SEO ; Jung Mi SONG ; Minji SEOK ; Eun-Mi SEOL ; Jinhee YOON ; Jeong Meen SEO ;
Annals of Clinical Nutrition and Metabolism 2025;17(1):3-8
Purpose:
This study aimed to develop a comprehensive practical guide for enteral nutrition (EN) designed to enhance patient safety and reduce complications in Korea. Under the leadership of the Korean Society for Parenteral and Enteral Nutrition (KSPEN), the initiative sought to standardize EN procedures, improve decision-making, and promote effective multidisciplinary communication.
Methods:
The KSPEN EN committee identified key questions related to EN practices and organized them into seven sections such as prescribing, delivery route selection, formula preparation, administration, and quality management. Twenty-one experts, selected based on their expertise, conducted a thorough literature review to formulate evidence-based recommendations. Drafts underwent peer review both within and across disciplines, with final revisions completed by the KSPEN Guideline Committee. The guide, which will be published in three installments, addresses critical elements of EN therapy and safety protocols.
Results:
The practical guide recommends that EN orders include detailed elements and advocates the use of electronic medical records for communication. Standardized prescription forms and supplementary safety measures are outlined. Review frequency is adjusted according to patient condition—daily for critically ill or unstable patients and as dictated by institutional protocols for stable patients. Evidence indicates that adherence to these protocols reduces mortality, complications, and prescription errors.
Conclusion
The KSPEN practical guide offers a robust framework for the safe delivery of EN tailored to Korea’s healthcare context. It emphasizes standardized protocols and interdisciplinary collaboration to improve nutritional outcomes, patient safety, and operational efficiency. Rigorous implementation and monitoring of adherence are critical for its success.
6.A practical guide for enteral nutrition from the Korean Society for Parenteral and Enteral Nutrition: Part I. prescribing enteral nutrition orders
Ye Rim CHANG ; Bo-Eun KIM ; In Seok LEE ; Youn Soo CHO ; Sung-Sik HAN ; Eunjung KIM ; Hyunjung KIM ; Jae Hak KIM ; Jeong Wook KIM ; Sung Shin KIM ; Eunhee KONG ; Ja Kyung MIN ; Chi-Min PARK ; Jeongyun PARK ; Seungwan RYU ; Kyung Won SEO ; Jung Mi SONG ; Minji SEOK ; Eun-Mi SEOL ; Jinhee YOON ; Jeong Meen SEO ;
Annals of Clinical Nutrition and Metabolism 2025;17(1):3-8
Purpose:
This study aimed to develop a comprehensive practical guide for enteral nutrition (EN) designed to enhance patient safety and reduce complications in Korea. Under the leadership of the Korean Society for Parenteral and Enteral Nutrition (KSPEN), the initiative sought to standardize EN procedures, improve decision-making, and promote effective multidisciplinary communication.
Methods:
The KSPEN EN committee identified key questions related to EN practices and organized them into seven sections such as prescribing, delivery route selection, formula preparation, administration, and quality management. Twenty-one experts, selected based on their expertise, conducted a thorough literature review to formulate evidence-based recommendations. Drafts underwent peer review both within and across disciplines, with final revisions completed by the KSPEN Guideline Committee. The guide, which will be published in three installments, addresses critical elements of EN therapy and safety protocols.
Results:
The practical guide recommends that EN orders include detailed elements and advocates the use of electronic medical records for communication. Standardized prescription forms and supplementary safety measures are outlined. Review frequency is adjusted according to patient condition—daily for critically ill or unstable patients and as dictated by institutional protocols for stable patients. Evidence indicates that adherence to these protocols reduces mortality, complications, and prescription errors.
Conclusion
The KSPEN practical guide offers a robust framework for the safe delivery of EN tailored to Korea’s healthcare context. It emphasizes standardized protocols and interdisciplinary collaboration to improve nutritional outcomes, patient safety, and operational efficiency. Rigorous implementation and monitoring of adherence are critical for its success.
7.Impact of medical crisis on the critical care system in South Korea
Ye Rim CHANG ; Jae Hwa CHO ; Joongbum CHO ; Tae Sun HA ; Bo Gun KHO ; Eunhye KIM ; Im-kyung KIM ; Dong Hyun LEE ; Suk-Kyung HONG
Acute and Critical Care 2025;40(3):393-401
Background:
The ongoing medical crisis in Korea has severely impacted the operational environment of intensive care units (ICU), posing significant challenges to quality care for critically ill patients. This study aimed to evaluate the effects of the ongoing crisis on ICUs.
Methods:
A survey was conducted in July 2024 among intensivists in charge of ICUs at institutions accredited by the Korean Society of Critical Care Medicine for critical care. The survey compared data from January 2024 (pre-crisis) and June 2024 (post-crisis) on the number ICU beds, staffing composition, work hours, and the number and roles of nurse practitioners.
Results:
Among the total of 71 participating ICUs, 22 experienced a reduction in the number of operational beds, with a median decrease of six beds per unit, totaling 127 beds across these ICUs. The numbers of residents and interns decreased from an average of 2.3 to 0.1 per ICU, and the average weekly working hours of intensivists increased from 62.3 to 78.8 hours. Nurse practitioners helped fill staffing gaps, with their numbers rising from 150 to 242 across ICUs, and their scope of practice expanded accordingly.
Conclusions
The medical crisis has led to major changes in the critical care system, including staffing shortages, increased workloads, and an expanded role for nurse practitioners. This is a critical moment to foster interest and engage in active discussions aimed at creating a sustainable and resilient ICU system.
8.Developing a framework for infection control education in nursing homes: Applying the mixed-methods Delphi technique
Young-Rim CHOI ; Ye-na LEE ; Dayeong KIM ; Sung Ok CHANG
Journal of Korean Gerontological Nursing 2025;27(2):154-165
Infection control is a critical concern in nursing homes, especially in the post-COVID-19 era, due to the frailty and complex health conditions of older adults. This study aimed to develop an educational framework to improve infection control practices in nursing homes. Methods: We interviewed five infection specialists to gain practical insights. Subsequently, we administered three rounds of Delphi surveys to 20 nursing home practitioners to assess the validity and practicality of the selected items, thereby establishing a comprehensive framework. Results: The interview data revealed three key categories: recipient-centered, interaction-centered, and environment-centered. Following the Delphi surveys, we identified seven crucial factors for practicality in nursing homes: the characteristics of residents’ health, detection of subtle changes, identification of nonverbal signs, effective communication among professionals, feedback and assessment among professionals, following infection control principles, education based on problem-solving, and immunization and isolation strategies for creating a safe environment. Conclusion: By integrating expert insights and validating the framework through the Delphi technique, the proposed framework enhances infection control training and education programs in nursing homes, ultimately ensuring resident safety.
9.A comprehensive review of Alport syndrome: definition, pathophysiology, clinical manifestations, and diagnostic considerations
Eunjeong KANG ; Byung Hwa PARK ; Hajeong LEE ; Hee Gyung KANG ; Ji Hyun KIM ; Ye Na KIM ; Yeonsoon JUNG ; Hark RIM ; Ho Sik SHIN
Kidney Research and Clinical Practice 2025;44(4):566-575
Alport syndrome, a rare genetic disorder affecting around 1 in 50,000 individuals, primarily presents as microscopic hematuria and chronic kidney disease (CKD) with associated extrarenal complications. The Alport syndrome results from mutations in COL4A3, COL4A4, and COL4A5 genes, disrupting the formation of the α3–α4–α5 chain in the collagen IV network. The etiology involves X chromosome- related, autosomal dominant, autosomal recessive, and digenic inheritance patterns. The disease primarily manifests as kidney involvement, featuring persistent hematuria, proteinuria, and a progressive decline in renal function. Hearing loss, ocular abnormalities, and extrarenal manifestations further contribute to its complexity. Genotype-phenotype correlations are relatively evident, with distinct presentations in X-linked, autosomal recessive, and autosomal dominant cases. Diagnosis relies on urinalysis, histologic examination, and genetic testing with advancements in next-generation sequencing aiding identification. Although no specific treatment exists, early diagnosis improves outcomes, emphasizing the importance of genetic testing for prognosis and familial screening. The purpose of this review is to advance knowledge and enhance understanding of Alport syndrome.
10.Survival Is Just the Beginning of Recovery:A Qualitative Study of Survivors’ Experiences after Severe Injury
Jiyeon KANG ; Shin Ae LEE ; Yeon Jin JOO ; Hye Yoon PARK ; Ye Rim CHANG
Yonsei Medical Journal 2024;65(12):703-717
Purpose:
Patients experience severe physical trauma every year. However, studies on survivors’ experiences after severe injury are limited. Previous studies have mainly focused on time spans of trauma treatment. This study aimed to comprehensively explore survivors’ experiences to improve the current quality of trauma treatment and highlight the importance of patient-centered care.
Materials and Methods:
Structured, face-to-face interviews with six domains were conducted on survivors aged ≥18 years who were previously hospitalized in an intensive care unit due to traumatic injuries. Self-reported questionnaires were administered for a multidimensional assessment of participants’ conditions. Transcripts of each narrative were analyzed per grounded theory.
Results:
Fourteen participants were assessed. The median injury severity score was 25.5. The median elapsed time from injury to interview was 17.3 months. The physical and psychiatric difficulties of the participants remained unresolved even after completing rehabilitation. The main theme derived from the narratives were struggle with injury, consequences, and contributing factors, with the following subthemes: 1) suffering from injury and treatment, 2) psychological adaptation to the changed self and life after the accident, 3) significant family support, 4) gratitude to medical staff despite inadequacies in the healthcare system, and 5) legal and economic issues that impede recovery.
Conclusion
Increased efforts focusing on enabling survivors of severe injury to return to society and improve their quality of life are needed, including the establishment of patient-centered care in the trauma field, extended care for the survivors’ families, multidisciplinary treatment, and the collection of quantitative post-discharge data.

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