Body composition of adults with chronic intestinal failure receiving home parenteral nutrition: A descriptive cohort study.

BACKGROUND: Chronic intestinal failure (CIF) refers to the long-lasting reduction of gut function below the minimum necessary to absorb macronutrients, water, and/or electrolytes. Patients with CIF likely develop various forms of malnutrition and dehydration, yet studies that focus primarily on body composition are lacking. Therefore, this study aimed to evaluate the body composition of adult patients with CIF. METHODS: This retrospective descriptive cohort study was performed at the Radboud University Medical Center, a tertiary referral center for CIF treatment in the form of home parenteral nutrition. We collected available bioelectrical impedance analysis (BIA) data from routine care between 2019 and 2023. The primary outcome was body composition, which was evaluated by assessing body mass index (BMI), fat-free mass index (FFMI), and fat percentage (fat%). RESULTS: Overall, 147 adult patients with CIF were included with a median (interquartile range) age of 58 (25-68) years; 69% were female. The mean (SD) BMI was 22.1 (4.3) kg/m2, FFMI was 14.2 (1.9) kg/m2 in females and 17.0 (2.0) kg/m2 in males, and fat% was 33.7% (6.8%) in females and 24.6% (6.4%) in males. 63% had an FFMI below references, and 48% had a high fat%. CONCLUSION: This study found that most adult patients with CIF have an unfavorable body composition characterized by a high fat% and low FFMI despite having a normal mean BMI. These results highlight the necessity for in-depth nutrition assessment, including BIA measurement. Moreover, future studies should focus on exercise interventions to increase FFMI and improve body composition and function.

Having breakfast has no clinically relevant effect on bioelectrical impedance measurements in healthy adults.

BACKGROUND: Bioelectrical impedance analysis (BIA) is commonly used to evaluate body composition as part of nutritional assessment. Current guidelines recommend performing BIA measurements in a fasting state of at least 2 h in a clinical setting and 8 h in a research setting. However, since asking patients with malnutrition or sarcopenia to fast is not desirable and literature to support the strategy in the guidelines is lacking, this study aimed to assess the impact of breakfast on BIA measurements. METHODS: We performed an explorative, prospective study in healthy volunteers aged between 18 and 70 years, with a normal fluid balance and a body mass index between 18.5 and 30 kg/m2. BIA measurements were performed according to the standard operating procedure in the fasting state, and 1, 2, 3, and 4 h after ingesting a standardized breakfast meal of about 400 kcal with a 150 mL drink, using the hand-to-food single-frequency BIA (Bodystat500 ®). The Kyle formula was used to calculate the primary outcome, i.e. fat-free mass (FFM, kg). A linear mixed model was used to compare baseline values with other time points. A difference of 1 kg in FFM was considered clinically relevant. RESULTS: Thirty-nine (85% female) volunteers were included, with a median age of 28 years (IQR 24-38). In 90% of the participants, having breakfast had no clinically relevant impact on the estimated FFM. For the group, the most pronounced mean difference, a statistically but not clinically significant higher value of 0.2 kg (0.4%), was observed after 3 h of fasting compared to baseline. No statistically significant differences were found at the other time points. CONCLUSION: Eating affects single-frequency BIA measurements, but differences in FFM remain below clinical relevance for most participants when using a standardized breakfast. Thus, the current study suggests performing a BIA measurement in a fasting state is not required.

Oral antimicrobial agents in patients with short bowel syndrome: worth a try!

BACKGROUND: The use of oral antimicrobial agents in patients with short bowel syndrome (SBS) is challenging due to the changes in gastrointestinal anatomy that may result in diminished absorption and altered drug bioavailability. Prospective studies evaluating bioavailability of antimicrobial agents after oral administration in SBS patients are lacking. OBJECTIVES: To determine the bioavailability of orally administered antimicrobial agents commonly used for treatment in SBS patients to guide clinical decision making when faced with infections. METHODS: We performed an explorative, clinical study investigating the pharmacokinetics (PK) of clindamycin, ciprofloxacin, flucloxacillin and fluconazole in SBS patients with intestinal failure. Participants received a combination of two antimicrobial agents simultaneously. To determine the oral bioavailability, participants received a single oral and IV dose of both agents on two occasions, after which they underwent intensive PK sampling on six predefined time points up to 12 hours after administration. Primary outcome was the oral bioavailability of these antimicrobial agents. Secondary outcomes were intravenous PK characteristics following non-compartmental analysis. RESULTS: Eighteen SBS patients were included: the mean (SD) age was 59 (17) years and 61% of participants were female. The median observed (IQR) bioavailability of ciprofloxacin, clindamycin, flucloxacillin and fluconazole were 36% (24-50), 93% (56-106), 50% (32-76) and 98% (61-107), respectively. CONCLUSION: The bioavailability of selected antimicrobial agents in certain patients with SBS appeared to be better than expected, providing a feasible treatment option. Due to the large observed differences between patients, therapeutic drug monitoring should be part of the treatment to safeguard adequate exposure in all patients. TRIAL REGISTRATION: Registered in the Dutch Trial Register (NL7796) and EudraCT number 2019-002587-28.

Ninety-Six Hour Wireless Esophageal pH Study in Patients with GERD Shows that Restrictive Diet Reduces Esophageal Acid Exposure.

BACKGROUND: Prolonged (96 h) pH monitoring may explore the effect of diet on pH and symptoms in patients with GERD. AIMS: To assess the usefulness of a 96 h esophageal pH study in patients with GER symptoms under different diets (pro- and anti-GER). METHODS: Prospective study of 66 patients with GERD undergoing wireless 96 h pH monitoring. Two-day periods, one on liberal (pro-reflux) and another on restricted (anti-reflux) diet assessed esophageal acid exposure and symptoms. The primary end point was normalization of acid exposure time while on restricted diet. Secondary end point was a > 50% reduction in symptoms with restricted diet. RESULTS: Normal (pH time < 4 of < 6%) was found in 34 patients (51.5%) while on the initial 48 h (liberal) diet [median % time < 4: 3.2 (95% CI, 1.9, 4.0)] and remained normal while on restricted diet [median % time < 4: 2.6 (95% CI, 0.8, 3.4)]. Abnormal acid exposure (% pH time < 4: > 6%) was found in 32 patients (48.5%) while on initial 48 h liberal diet [median % time < 4: 10.5, (95% CI 8.9, 12.6)], and decreased significantly with restricted diet [median % time < 4: 4.5 (95% CI 3.1, 7.3)] (p = 0.001), and normalized with anti-GERD diet in 21 patients (65.6%). Only 11/66 patients were candidates for proton pump inhibitor (PPI) use; 34 had either normal pH studies or normalized them with restricted diet (n = 21). Symptoms did not improve with restricted diet. CONCLUSIONS: The 96-h esophageal pH study tests for GERD under pro- and anti-GER diets and allows minimization of PPI therapy to only 16.6% of patients.

A novel in-hospital meal service improves protein and energy intake.

BACKGROUND & AIMS: Improvement of hospital meal services is a strategy to optimize protein and energy intake and prevent or treat malnutrition during hospitalization. FoodforCare (FfC) is a new concept comprising 6-protein-rich meals per day, provided directly at the bedside following proactive advice from a nutritional assistant. Our aim is to investigate whether this new concept, FfC, improves dietary intake and patient satisfaction, compared to the traditional 3-meals a day service (TMS). METHODS: We performed a quasi experimental study at medical (Gastroenterology) and surgical (Gynecology, Urology, Orthopedics) wards. Patients were offered TMS (July 2015-May 2016; n = 326) or FfC meal service (after stepwise introduction per ward from January 2016-December 2016; n = 311). Primary outcome was the mean percentage of protein and energy intake relative to requirements, between patients receiving TMS and those receiving FfC, on the first and fourth day of full oral intake. Patient satisfaction comprised rating of the experienced quality of the meals and the meal service by means of a validated questionnaire. RESULTS: Patient characteristics were similar between groups, with the exception that the FfC group contained more oncology patients (p = 0.028). FfC improved mean daily protein intake (in g/day) relative to requirements (1.2 g/kg/day) at day 1 (mean % ±SD: 79 ± 33 vs. 59 ± 28; p < 0.05) and day 4 (73 ± 38 vs. 59 ± 29; p < 0.05). Mean daily energy intake (in kcal/day) relative to requirements improved at day 1 (88 ± 34 vs. 70 ± 30; p < 0.05) and day 4 (84 ± 40 vs. 73 ± 31; p = 0.05). On a scale of 1-10, patient satisfaction remained unchanged, in terms of food quality (7.7 ± 1.5 vs. 7.4 ± 1.4; p = 0.09) and meal service (7.8 ± 1.3 vs. 7.7 ± 1.1; p = 0.29). The FfC group was more satisfied with the appearance and smell of the meals (both p < 0.05). CONCLUSIONS: Implementation of this novel meal service substantially improved protein and energy intake while maintaining, and to some extent, improving patient satisfaction. REGISTRATION NO: NCT03195283.