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- Definition, assessments, and current research on sarcopenia in children: a narrative review
- Min-Jung Bang
- Ann Clin Nutr Metab 2024;16(2):49-56. Published online August 1, 2024
- DOI: https://doi.org/10.15747/ACNM.2024.16.2.49
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Abstract
PDF - Purpose: Sarcopenia is a well-established prognostic factor for the clinical outcomes of adult patients with cancer and chronic diseases and correlates with increased intensive care unit admissions and prolonged hospital stays. However, research on sarcopenia in children is limited due to its undefined criteria and a lack of studies exploring its impact on clinical outcomes.
Current concept: The challenges in pediatric sarcopenia research include the absence of standardized body composition methods to quantify muscle mass and muscular function, as well as inconsistencies in definitions. Additionally, there is a lack of age- and gender-specific normative data, particularly for young children and infants. Most studies also lack assessments of muscle function, which can lead to bias and misclassification of sarcopenia. The field is further hindered by poor study quality, limited outcome-focused research, and a dearth of longitudinal data. While some studies suggest that various diseases can affect children’s lean muscle mass, few have linked changes in muscle mass to clinical outcomes.
Conclusion: The existing literature on pediatric sarcopenia and its relationship with medical and surgical outcomes is sparse and indicates poorer outcomes associated with sarcopenia. Although extensive research has established a link between sarcopenia and adverse outcomes in adults, information on its impact in pediatric populations remains scarce. Further studies are needed to elucidate the association between muscle mass and outcomes in pediatric surgical patients.
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Original Articles
- Analysis of Compliance and Clinical Outcomes by Expanding Physician’s Departments in Pediatric Nutrition Support Team
- Hae Won Lee, Min Jae Jung, Ji Eun Park, Hee Kwon, Jae Song Kim, Hong Go, Eun Sun Son
- J Clin Nutr 2019;11(2):42-51. Published online December 31, 2019
- DOI: https://doi.org/10.15747/jcn.2019.11.2.42
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Abstract
PDF
Purpose:
Malnutrition in hospitalized children has an impact on growth, morbidity, and mortality. For this reason, the implementation of pediatric nutrition support team (PNST) has been suggested. On April 2017, in Severance Hospital, more PNST physician’s departments participated in PNST, and a PNST physician assigning system was changed to be the same departments with the attending physician and PNST physician. This study performed a comparative analysis of the compliance and clinical outcomes after expanding the participation of the PNST physician’s department.
Methods:
Pediatric patients, who were referred to a PNST consultant, were divided into two groups: an unmatched group (different departments with the attending physician and PNST physician [154 patients, 233 consultations from May 2016 to October 2016]), and a matched group (same departments with the attending physician and PNST physician [169 patients, 302 consultations from May 2017 to October 2017]). The PNST compliance and clinical outcomes, such as the total delivered/required caloric and protein ratio, % ideal body weight (%IBW), serum total protein, and serum albumin, in the two groups were compared.
Results:
The compliance was significantly higher in the matched group than the unmatched group (63.4% vs. 47.3%, P=0.005). Although there was no significant difference, the total delivered/required caloric and protein ratio, and %IBW in the matched group tended to increase. The serum total protein (0.7±0.7 g/dL vs. –0.4±1.3 g/dL, P=0.004) and serum albumin (0.5±0.5 g/dL vs. –0.1±0.6 g/dL, P=0.003) were significantly higher in the matched group.
Conclusion:
After expanding the physician’s departments in PNST, the compliance was significantly higher in the matched group and the clinical outcomes tended to better. The physician assigning system to be matched with the departments between the attending physician and the PNST physician may help increase the compliance of NST consultations, resulting in an improvement of the patient’s clinical outcomes.
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- Effects of Parenteral Nutrition in Pediatric Patients with Hematopoietic Stem Cell Transplantation
- Soo Young Lim, Min Jae Jung, Ji Eun Park, Jae Song Kim, Soo Hyun Kim, Chuhl Joo Lyu, Eun Sun Son
- J Clin Nutr 2018;10(1):9-19. Published online June 30, 2018
- DOI: https://doi.org/10.15747/jcn.2018.10.1.9
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Abstract
PDF
Purpose:
This study examined the effects of parenteral nutrition (PN) on the nutritional status, clinical improvement, and PN-related complications in pediatric patients who had undergone hematopoietic stem cell transplantation (HSCT).
Methods:
A retrospective audit of 110 pediatric patients (age≤18), who underwent HSCT from March 2015 to February 2017 was undertaken. The patients were divided into 3 groups based on the ratio of daily calorie supplementation to the daily calorie requirement (ROCS). The clinical factors related to the nutritional status, such as difference in body weight (BW), body mass index (BMI), percent ideal body weight (PIBW), total protein (T.protein), and albumin; the early clinical outcome, such as PN-duration, length of hospitaliaztion (LOH), engraftment day (ED), graft-versus-host disease, sepsis, pneumonia and mucositis; and PN-related complications, including elevation of total bilirubin (T.bil), direct bilirubin (D.bil), aspartate aminotransferase, alanine aminotransferase, glucose and cholesterol levels, and hepatic veno-occlusive disease were analyzed using the electronic medical records. Additional analysis subject to auto-HSCT and allo-HSCT patients was also performed.
Results:
The very-low-ROCS, low-ROCS, and satisfied-ROCS group were 30 (27.3%), 47 (42.7%), and 33 (30.0%) patients, respectively. The PN-duration (P=0.005, z=–2.271), LOH (P=0.023, z=–2.840), ED (P<0.001, z=–3.695), T.bil elevation (P<0.001, z=–3.660), and D.bil elevation (P=0.002, z=–3.064) tended to decrease with increasing ROCS. The difference in the PN-duration (P=0.017), ED (P=0.001), T.bil elevation (P=0.001), and D.bil elevation (P=0.011) in the 3 groups was statistically significant. In the auto-HSCT patients, the change in BW (P=0.031, z=+2.154), PIBW (P=0.029, z=+2.187), and BMI (P=0.021, z=+2.306) tended to increase. In the allo-HSCT patients, the change in T.protein (P=0.022, z=+2.286) increased but the ED (P=0.021, z=–2.304) decreased.
Conclusion:
Aggressive PN supplementation has an effect on maintaining the nutritional status and achieving better early outcomes in pediatric HSCT patients, whereas it has no effect on increasing the PN-related complications.
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- Effects of Compliance with the Nutrition Support Team in Critically Ill Pediatric Patients
- Soo-Jin Park, Ji-Eun Park, Na-Young Kwon, Jae-Song Kim, Eun-Sun Son, Hyun-Ji Yu, Jae-Yeon Bang, Seung Kim, Ho-Seon Eun
- J Clin Nutr 2016;8(2):51-57. Published online August 31, 2016
- DOI: https://doi.org/10.15747/jcn.2016.8.2.51
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Abstract
PDF
Purpose:
This study performed a comparative evaluation of nutritional condition’s improvement and clinical effects in accordance with the Nutrition Support Team (NST) consultation compliance of critically ill pediatric patients.
Methods:
The medical records of 64 critically ill pediatric patients (2 to 18 years old), who were officially referred to a NST consultant in pediatric intensive care unit from January to August 2015, were reviewed. The patients were divided into 2 groups according to the compliance of NST consultation answers. The total delivered/required caloric and protein ratio, weight, serum total protein, serum albumin, hemoglobin, and hematocrit were compared.
Results:
According to the NST consultation answer, ‘nutrition support increase’ occupied the largest proportion at 38.5%; ‘maintenance’ and ‘decrease’ accounted for 35.7% and 18.2% respectively. The NST compliance group and non-compliance group were 20 and 14 patients, respectively. Although total delivered/required caloric ratio was significantly increased in the NST compliance group (19.7%, P=0.036), there was no significant difference in the NST non-compliance group (5.1%, P=0.692). The total delivered/required protein ratio was increased (15.1%, P=0.163) in the NST compliance group and decreased (?4.7%, P=0.774) in the NST non-compliance group. The NST non-compliance group (?8.6%, P=0.219) was further reduced weight than the NST compliance group (?1.0%, P=0.820). The serum albumin was significantly increased in the NST compliance group (13.1%, P=0.003), but there was no difference in the NST non-compliance group (7.1%, P=0.433).
Conclusion:
Although 56.7% of NST consultations were needed for nutritional interventions, a lower NST compliance (53.8%) is the limit of nutritional support. The NST compliance group was supplied adequately with more calories and protein than before consultation and a more improved nutritional status. Therefore, aggressive NST consultation can help increase the therapeutic effect by improving the nutritional status. This study will form the basis to seek ways to further enhance NST compliance.
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