The validity of simple methods to detect poor nutritional status in paediatric oncology patients

Pediatric oncology nutritional practices in high-income countries: A survey from the International Society of Paediatric Oncology (SIOP)

BACKGROUND

Optimal nutrition in pediatric oncology can influence cancer-related outcomes. To establish an understanding of nutrition practice and perceptions of best practice, we queried nutrition providers practicing in pediatric oncology care centers in high-income countries.

METHODS

An electronic, multidisciplinary, cross-sectional survey of nutrition practices was conducted among pediatric oncology nutrition practitioners. Final analysis included 110 surveys from 71 unique institutions and included practitioners from Europe, the United States, Canada, Australia/New Zealand, South America, and the Middle East/Asia.

RESULTS

The majority of institutions (97%) reported having dietitians; 72% had designated oncology dietitians. Approximately half of the practitioners (47%) reported feeling their institutions were inadequately staffed. The majority (78%) of institutions completed nutrition risk screening, but there was no consensus on specific screening practices. Half (50%) of the institutions that screened for nutrition risk did so in both inpatient and outpatient settings. The majority (80%) of institutions completed a nutrition assessment close to the time of diagnosis. Those that did not cite lack of staff and/or lack of time, lack of standardized approach, and consult only level of nutritional care as primary barriers. The most common topic of nutrition education provided to patients/families was nutrition-related symptom management (68%).

CONCLUSION

While most institutions reported having pediatric oncology dietitians, we found a lack of standardized practice and perceived inadequate staffing. In addition, what providers perceived to be best practice did not always align with day-to-day clinical practice. Ongoing efforts are needed to develop evidence-based guidelines, including staffing recommendations, to support specialized care in this population.

Nutritional and Body Composition Changes in Paediatric β-Thalassemia Patients Undergoing Hematopoietic Stem Cell Transplantation: A Retrospective Study Using Bioelectrical Impedance Analysis

Objective

This retrospective study evaluated nutritional status and body composition changes in paediatric β-thalassemia (β-TM) patients before and after hematopoietic stem cell transplantation (HSCT), using bioelectrical impedance analysis (BIA), and explored their relationship with HSCT outcomes.

Methods

A cohort of 40 paediatric β-TM patients undergoing allogeneic HSCT was assessed for their nutritional status, anthropometric parameters, including body mass index (BMI), weight, and height, and body composition parameters pre-and post-HSCT, focusing on BIA measurements, including intracellular water (ICW), extracellular water (ECW), fat mass (FAT), fat-free mass (FFM), Skeletal Muscle Mass (SMM), soft Lean Mass (SLM), percent body fat (PBF), Body Cell Mass (BCM), Phase angle (PA) and muscle balance pre- and post-HSCT. Post-HSCT clinical outcomes, including acute graft-vs-host disease (aGVHD), engraftment time, oral mucositis (OM), sinusoidal obstruction syndrome (SOS), and diarrhoea in relation to nutrition status after HSCT were analysed.

Results

After HSCT, 28.21% experienced diminished nutritional status, with 71.43% of those who were wasting before HSCT showing diminished nutritional status, significantly higher than the normal group (18.75%, P = 0.012). Anthropometric changes included significant weight reduction (87.5%, 22.15 ± 7.46 vs 20.74 ± 6.57, P < 0.001) and BMI decrease (90%, 15.19 ± 1.70 vs 14.05 ± 1.48, P < 0.001). Body composition parameters, which are FFM, SMM, SLM, ICW, ECW, BCM, and PA (18.26 ± 5.71 vs 17.27 ± 5.19, 8.68 ± 3.30 vs 7.93 ± 3.02, 17.11 ± 5.28 vs 16.06 ± 4.84, 8.19 ± 2.54 vs 7.62 ± 2.31, 5.15 ± 1.58 vs 4.94 ± 1.47, 11.74 ± 3.63 vs 10.92 ± 3.32, 4.42 ± 0.50 vs 3.90 ± 0.57, respectively, P < 0.001) analysis revealed significant decreases. No significant differences in clinical outcomes were observed based on nutritional status.

Conclusion

Paediatric β-TM patients undergoing HSCT exhibit significant changes in nutrition status and body composition, emphasizing the need for focused attention on malnourished children who are more prone to diminished nutritional status. Comprehensive BIA aids in understanding the impact, urging consideration for extended follow-up and larger cohorts in future research.

Deep learning of image-derived measures of body composition in pediatric, adolescent, and young adult lymphoma: association with late treatment effects

OBJECTIVES

The objective of this study was to translate a deep learning (DL) approach for semiautomated analysis of body composition (BC) measures from standard of care CT images to investigate the prognostic value of BC in pediatric, adolescent, and young adult (AYA) patients with lymphoma.

METHODS

This 10-year retrospective, single-site study of 110 pediatric and AYA patients with lymphoma involved manual segmentation of fat and muscle tissue from 260 CT imaging datasets obtained as part of routine imaging at initial staging and first therapeutic follow-up. A DL model was trained to perform semiautomated image segmentation of adipose and muscle tissue. The association between BC measures and the occurrence of 3-year late effects was evaluated using Cox proportional hazards regression analyses.

RESULTS

DL-guided measures of BC were in close agreement with those obtained by a human rater, as demonstrated by high Dice scores (≥ 0.95) and correlations (r > 0.99) for each tissue of interest. Cox proportional hazards regression analyses revealed that patients with elevated subcutaneous adipose tissue at baseline and first follow-up, along with patients who possessed lower volumes of skeletal muscle at first follow-up, have increased risk of late effects compared to their peers.

CONCLUSIONS

DL provides rapid and accurate quantification of image-derived measures of BC that are associated with risk for treatment-related late effects in pediatric and AYA patients with lymphoma. Image-based monitoring of BC measures may enhance future opportunities for personalized medicine for children with lymphoma by identifying patients at the highest risk for late effects of treatment.

KEY POINTS

• Deep learning-guided CT image analysis of body composition measures achieved high agreement level with manual image analysis. • Pediatric patients with more fat and less muscle during the course of cancer treatment were more likely to experience a serious adverse event compared to their clinical counterparts. • Deep learning of body composition may add value to routine CT imaging by offering real-time monitoring of pediatric, adolescent, and young adults at high risk for late effects of cancer treatment.

Changes in anthropometrical status and body composition in children with cancer during initial chemotherapy

Children with cancer require adequate nutritional support to prevent malnutrition. This study investigated the impact of chemotherapy on anthropometrical status and body composition during the first six months of treatment. Anthropometrical status and body composition were measured at diagnosis, utilizing standardized protocols and validated S10 InBody bio-electrical impedance (BIA) measurements and compared to subsequent consecutive monthly follow-up measurements to plot changes over time during the first six months. Statistical significance was defined as p < 0.05. Forty-three newly diagnosed children (median age 4 years, IQR: 2.0-7.6; male-female ratio 1:0.9; 53% haematological malignancies and 47% solid tumors) were included. Prevalence of malnutrition varied, with under-nutrition 14% (mid-upper arm circumference (MUAC)/body mass index (BMI)), over-nutrition 9.3% (BMI) and stunting 7% at diagnosis. MUAC (14%) identified fewer participants with underlying muscle store depletion than BIA (41.8%). Chemotherapy exposure acutely exacerbated existing nutritional depletion during the first two months after diagnosis for all variables except fat mass (FM), with contrary effects on cancer type. Haematological malignancies had rapid increases in weight, BMI and FM. All patients had an acute loss of skeletal muscle mass. Nutritional improvement experienced by all cancer types during month two to three of treatment resulted in catch-up growth, with a significant increase in weight (chi2=40.43, p < 0.001), height (chi2=53.79, p < 0.001), BMI (chi2=16.32, p < 0.005), fat free mass (chi2=23.69, p < 0.003) and skeletal muscle mass (chi2=24.19, p < 0.001) after six months. Monthly nutritional assessments, including advanced body composition measurements, are essential to provide timely nutritional interventions to overcome the acute decline in nutritional reserves observed during the first two months of chemotherapy exposure.

Risk of Surgical Intervention in Children with Diagnoses of Cancer and Preoperative Malnutrition: A National Analysis

BACKGROUND

Perioperative nutrition is a critical component of appropriate healing and recovery after surgery. We sought to identify perioperative risk in children with cancer and low preoperative hypoalbuminemia undergoing surgical intervention.

METHODS

We queried the 2015-2019 NSQIP-Peds datasets for children with a primary diagnosis of renal or hepatic malignancy undergoing surgical resection. Postoperative outcomes were evaluated for comparative risk between patients with low albumin (albumin<3.0 g/dL) and normal albumin within 30 days of their surgical procedure. Univariate analysis and multivariable logistic regression were conducted to identify perioperative risk in patients with hypoalbuminemia.

RESULTS

We identified 360 children with primary diagnosis of hepatic malignancy and 896 children with renal malignancy undergoing surgical resection. Of these, 77 children had hypoalbuminemia. Patients with renal or hepatic malignancy diagnosis and low albumin levels were more likely to experience postoperative dehiscence, need for TPN at discharge, postoperative bleeding or transfusion, unplanned reoperation, and unplanned readmission, based on univariate analysis (all P > 0.05). Postoperative bleeding, need for nutritional support at discharge, and unplanned readmission were each associated with hypoalbuminemia.

CONCLUSION

We demonstrate that low preoperative albumin is associated with significant perioperative risk. More attention should focus on perioperative nutritional status of children with cancer who are undergoing major resections.

Addition of arm anthropometry to body mass index for age, but not serum albumin, improves the accuracy of the nutritional assessment in severely and moderately malnourished children with cancer

Arm anthropometry is a more sensitive measure of nutritional status than body mass index for age (BMI) in children with cancer, but the added utility of serum albumin remains uncertain. Concordance was determined among four forms of classifying nutritional status in a cohort of undernourished children with cancer: method 1: BMI-for-age Z score; method 2: method 1 + mid-upper arm circumference (MUAC) percentile; method 3: method 2 + triceps skinfold thickness (TSFT) percentile; and method 4: method 3 + serum albumin. Concordance was highest between methods 2 and 3, followed closely by 3 and 4, indicating that addition of arm anthropometry, but not serum albumin, to BMI increased the sensitivity of baseline nutritional assessment.

Nutritional support practices and opinions toward gastrostomy use in pediatric bone marrow transplant centers: A national survey

OBJECTIVE

Previous surveys have shown deviations in nutritional practices from international guidelines during bone marrow transplant (BMT). Guidelines recommend enteral nutrition first-line and nasogastric tubes are the mainstay for its provision. Gastrostomies provide an alternative, yet their use is less common. This national survey investigated nutrition support practices in pediatric allogeneic BMT centers and compared clinicians' opinions on gastrostomy use. The aim of this study was to identify the national picture of nutritional support practices across pediatric allogeneic BMT centers, including use and opinions of dietitians, clinical nurse specialists, and physicians, toward gastrostomy feeding.

METHODS

An online survey was administered to 12 centers. The lead dietitian answered questions regarding nutritional counseling, screening, assessment, and interventions. Questions regarding current use, perceived advantages, and problems of gastrostomies were answered by the dietitian, lead clinical nurse specialist, and physician.

RESULTS

A 100% response rate was achieved from 12 centers (N = 36 clinicians). Nutritional counseling was provided in 92% of centers before and routinely throughout admission, 83% screened on and regularly throughout admission, 83% assessed nutritional status before transplant, and 92% used enteral nutrition first-line. Forty-two percent of the centers used gastrostomies. In those not using gastrostomies, 76% of clinicians felt some children should be offered a gastrostomy. Clinicians perceived less displacements (78%) and cosmetic appearance (69%) as the most common advantages of gastrostomies over nasogastric tubes. Risks associated with surgery (92%) and tube/stoma complications (58%) were the most common perceived problems.

CONCLUSIONS

A similar approach was shown on many aspects of nutritional support. Gastrostomy use divided opinion with differences in use and perceived advantages, but agreement on potential complications. Despite their risks, clinicians wanted to use gastrostomies more. Placement requires careful consideration of the risks, benefits, and family preferences.

Reference centile curves for mid-upper arm circumference for assessment of under- and overnutrition in school-aged Indian children and adolescents

OBJECTIVES

Malnutrition is common in developing countries and is not restricted to young children. It has been suggested that measuring mid-upper arm circumference (MUAC) is an easy, accurate, and low-cost method of identifying malnutrition in the early stages. The aims of this study were to construct age- and sex-specific MUAC reference centiles, and to define and validate cutoffs for assessment of under- and overnutrition in Indian children 5 to 17 y of age.

METHODS

This was a cross-sectional, multicentric, observational study conducted in seven schools in seven states from June 2018 to November 2019. The study included 6680 healthy 5- to17-y-old children. MUAC was measured using non-stretch tapes (UNICEF). Sex-specific MUAC percentiles were computed for age and height. Cutoffs for MUAC z-scores for thinness and overnutrition were defined and validated for healthy school children (n = 726) and children with cancer (n = 500).

RESULTS

Reference centiles for MUAC for age (and height) for boys and girls are presented. Cutoffs defined for thinness and for obesity were -0.7 and +1.5 z-score, respectively (corresponding to 25th and 95th percentiles of the MUAC for age/height). For ease of use, rounded cutoffs for thinness were 16 and 18.5 cm from 5 to 9 and 10 to 14 y of age, respectively, in both sexes, and a cutoff of 22 cm in boys and 20 cm in girl from 15 to 17 y of age. For obesity, 20 and 25.5 cm from 5 to 9 and 10 to 14 y of age, respectively, in both girls and boys and a rounded cutoff of 29 cm in boys and 27 cm in girls from 15 to17 y are proposed.

CONCLUSIONS

We presented MUAC percentiles and cutoffs for screening for thinness and overnutrition in Indian children from 5 to 17 y of age. These data may also be used in children with cancer and other chronic disorders with growth failure.

Prevalence of Undernutrition and Effect of Body Weight Loss on Survival among Pediatric Cancer Patients in Northeastern Hungary

Undernutrition is a prevalent condition in pediatric malignancy patients leading to unfavorable outcomes. The aim of this retrospective study was to determine the nutritional status and rate of undernutrition in 174 Hungarian pediatric patients with malignancies and the impact on 5-year survival based on anthropometric measurements. At the time of diagnosis, 5.0%, 4.6%, and 4.0% of patients were undernourished as determined by body weight (BW), weight-for-height (WFH), and body mass index (BMI) Z-score, respectively. The rate of undernutrition was 30.5% using ideal body weight percent (IBW%). Undernutrition at the time of diagnosis worsened the five-year overall survival only in solid tumor patients as defined by BMI Z-score and IBW%. Furthermore, 26.5% of patients became undernourished based on IBW% during the treatment period. Deterioration of nutritional status during treatment unfavorably influenced overall survival in both hematological and solid tumor subsets. Abnormal BW, WFH, and BMI Z-score were associated with poor prognosis in the hematologic group. The mortality risk was higher among hematologic patients with weight loss exceeding 20%. In conclusion, IBW% seems to be the most sensitive parameter to estimate undernutrition. Furthermore, BMI Z-score in both groups and severe weight loss in the hematological group may influence clinical outcome and play a role in prognosis assessment.

Assessment of nutritional status in children with cancer: A narrative review

A child's appropriate development stems in large part from proper nutrition. Malnutrition is an adverse prognostic factor in children with cancer, and its prevalence is highly variable. Currently, there is no standardized definition and assessment method of nutritional status in pediatric oncology. A complete nutritional assessment includes anthropometry, biochemical, clinical, and dietary assessments. In this article, we explore these methods and suggest practical approaches for pediatric cancer units depending on the levels of care that these can provide. We also advise on the monitoring and follow-up of children with cancer during and after treatment, and discuss potential areas for future research.

Prevalence and outcome of malnutrition in pediatric patients with chronic diseases: Focus on the settings of care

BACKGROUND

Information on disease-related malnutrition and related outcomes in pediatric patients with chronic diseases in different settings of care is not available.

METHODS

Consecutive eligible patients attending the out-patient clinic (n = 177) or admitted to the day-hospital clinic (n = 163) or to hospital (n = 201) were screened for the presence of malnutrition (BMI and/or height/length for age z-scores < -2). We recorded data on emergency care admissions to hospital that occurred during the 3 years before screening and related total days of stay, as well as data on emergency care admissions to hospital occurring within 6 months after screening.

RESULTS

Prevalence of malnutrition was 2-fold higher (P < 0.001) in in-patients (56.7% [95% CI, 49.6-63.7]) than in patients assessed at the out-patient (33.3% [95% CI, 26.4-40.8]) and day-hospital (28.3% [95% CI, 21.5-35.8]) clinics. Estimates were heterogeneous across diagnostic groups with higher rates in patients with neurologic (61%) and cardiac (56%) diseases. Stunting was more frequent among in-patients, who also had more evident nutritional derangements. Multivariate logistic regression (covariates: age, gender, healthcare setting and disease group), showed that malnutrition (OR = 1.86 [95% CI, 1.21-2.88]; P = 0.005) was significantly associated with prolonged hospitalization (≥15 days) in the 3 years before screening. In-patients were also more likely to have been hospitalized ≥15 days (using out-patients as reference category, OR = 2.24 [95% CI, 1.39-3.63], P = 0.001), but we did not find any modifying effect (interaction) of the setting of care on the association between malnutrition and prolonged hospitalization.

DISCUSSION

The rates of malnutrition in children with chronic diseases are very high and increase hospital care needs, especially when they are admitted to hospital. Nutritional care in this patient population is recommended.

Nutritional Screening Tools among Hospitalized Children: from Past and to Present

Increased awareness of the importance of nutrition among hospitalized children has increased the use of nutrition screening tool (NST). However, it is not well known the NST for hospitalized children. Therefore, the purpose of this study is to understand the past and present state of adult and child NST and discuss the pros and cons of each NST.

Body composition of children with cancer during treatment and in survivorship

BACKGROUND

Malnutrition as assessed with the use of body-composition measurements is a poorly understood short- and long-term complication of childhood cancer.

OBJECTIVES

We aimed to evaluate the body composition of 2 childhood cancer cohorts as follows: 1) children currently undergoing cancer treatment and 2) childhood cancer survivors. We also aimed to compare the prevalence of obesity and undernutrition between the cancer groups and investigate the impact of cancer type on body composition.

DESIGN

Eighty-two children during the treatment of cancer and 53 childhood cancer survivors were involved in the study. Height, weight, body cell mass, percentage of fat, fat mass index, and fat-free mass index were assessed. Subjects were compared with age- and sex-matched healthy controls.

RESULTS

The on-treatment group had a higher percentage of fat (P = 0.0001) and fat mass index (P = 0.0001) and a significantly lower body cell mass index (P = 0.0001) and fat-free mass index (P = 0.003) than did matched controls. The survivor group had a significantly higher percentage of fat (P = 0.03) and fat mass index (P = 0.04) and significantly lower body cell mass index (P = 0.0001) than did matched controls. The prevalence of undernutrition was high in both groups with 48% (95% CI: 36%, 60%) of the on-treatment group and 53% (95% CI: 40%, 66%) of the survivors considered undernourished. According to the percentage of fat cutoffs, significantly more on-treatment patients were obese (55%; 95% CI: 40%, 60%) than were survivors (26%; 95% CI: 14%, 38%) (P = 0.005). There were no statistically significant differences in body composition between cancer types in either the on-treatment or the survivor group.

CONCLUSIONS

Overnutrition and undernutrition are major concerns in the short and long term for children with cancer. Children treated for cancer have increased fat mass and decreased body cell mass, which are evident during treatment and in survivorship. This trial was registered at http://www.ANZCTR.org.au as ACTRN12614001279617 and ACTRN12614001269628.

Longitudinal nutritional assessment in acute lymphoblastic leukemia during treatment

BACKGROUND

A nutritional assessment of pediatric patients with cancer is important to improve their outcome. The number of longitudinal nutritional studies during treatment, however, is limited. The purpose of this study was to investigate the longitudinal changes in anthropometric measures and serum albumin level during chemotherapy in patients with acute lymphoblastic leukemia (ALL).

METHODS

We retrospectively reviewed the charts of 23 patients (19 boys, four girls) with ALL from April 2007 to March 2010. The median age at diagnosis was 4.5 years. Bodyweight, height, and serum albumin levels were measured at the start and the end point of each chemotherapy phase.

RESULTS

At diagnosis, two patients (8.7%) were underweight and five patients (21.7%) were overweight according to body mass index z-score, while five patients were underweight and three (13.0%) were overweight according to Waterlow score. The prevalence of malnourished patients did not change significantly throughout chemotherapy by either assessment. The absolute scores in either assessment were significantly reduced at the sanctuary treatment phase. Low serum albumin (<3.2 g/dL) was found in two patients at diagnosis. Mean albumin decreased significantly at the induction and the re-induction phases.

CONCLUSIONS

Given that nutritional status under a similar chemotherapeutic regimen as assessed by anthropometric measures and albumin level differed among patients, careful observation of the nutritional status and intervention may be necessary at different phases of chemotherapy.

Growth in children with acute lymphoblastic leukemia during treatment

Obesity is increasingly prevalent in affluent societies and portends considerable morbidity. This is especially true in children with acute lymphoblastic leukemia (ALL) in whom the metabolic syndrome may begin during therapy, demanding clarification of the trajectory of weight gain so that effective interventions may be developed. In this retrospective study of body mass index from a single institution over a 20-year period, almost 15% of children with ALL were at risk of overweight or frankly overweight (body mass index >85th centile) at diagnosis. This proportion increased steadily, reaching 40% at the end of treatment. Strategies to limit weight gain will have to be instituted early in the management of children with ALL, and will probably have to be maintained throughout and after the completion of active treatment.

Body composition of children with cancer

BACKGROUND

Nutritional status, as represented by body composition, is an important consideration in the treatment of pediatric cancer patients because it is linked to poor outcomes. Little is known about how a child's body composition responds to cancer and treatment.

OBJECTIVES

We aimed to compare the body composition of children undergoing treatment of cancer with that of healthy controls and to compare body composition between children with hematologic malignancies and children with solid tumors.

DESIGN

This cross-sectional study measured height, weight, body cell mass, fat-free mass, and fat mass in 48 children undergoing treatment of cancer and blood-related disorders and in age-matched healthy controls.

RESULTS

Patients with cancer had a significantly lower body cell mass index z score (body cell mass/height raised to the power of 2.5 for females and 3 for males) than did controls (P = 0.0001), and 45% of the patients with cancer were considered malnourished according to body cell mass. Subjects with cancer had a significantly higher percentage of body fat (P = 0.0001) and fat mass (P = 0.0001) than did controls; however, there was no significant difference in fat-free mass (P = 0.09). On the basis of percentage fat, 77% of subjects with cancer were considered obese. No difference in body composition was observed between cancer types.

CONCLUSIONS

This study showed that children undergoing treatment of all types of cancer have a significantly lower body cell mass and a significantly higher fat mass than do healthy controls. Nutritional support is suggested for all children undergoing treatment of cancer.