Exercise and pre-habilitation with high whey-protein-based meal replacement therapy promote weight loss and preserve muscle mass before bariatric surgery.

BACKGROUND: Bariatric surgery is considered as an effective therapy for those with morbid obesity. Preoperative weight loss with a very low-calorie diet is commonly used to ease the bariatric surgery. Pre-habilitation increases functional and physiological capacity. The study demonstrated the changes of body composition and functional status following short term pre-habilitation before bariatric surgery. METHOD: This prospective study targeted those admitted for bariatric surgery. Participants underwent the biweekly pre-habilitation program included an individualized high whey-based protein very low-calorie (VLCHP) enteral regime (600-900 kcal/day) and moderate intensive exercise before bariatric surgery. Body composition and waist circumference were assessed after fortnight. Participants were segregated into morbid obese (MOG) (BMI <49 kg/m2) and super morbid obese group (SMOG) (BMI ≥50 kg/m2) for analysis. RESULT: Majority of participants were female (71%) with median age 36.0 years old (MOG) and 34.3 years old (SMOG) respectively. SMOG achieved significant greater loss in weight (-7.4 kg vs -4.0 kg), fat percentage (-4.4% vs -1.7%) and fat mass (-9.9 kg vs -3.8 kg); but MOG had a significant increment in muscle mass (3.2 kg vs 2.8 kg) as compared to SOG (p < 0.001). DISCUSSION: Body composition measurement and changes remain critical in nutritional assessment to achieve successful surgery and minimize nutritional complication. Whey-based VLCHP attenuates muscle loss and preserves myofibrillar protein synthesis; promotes a better muscle strength and mass growth during periods of negative energy balance combined with moderately intense aerobic activity. CONCLUSION: Individualized whey-based VLCHP enteral regime and moderate intensive exercise encourage weight loss; increases muscle mass and strength; improve function status prior to bariatric surgery.

Lower ileostomy output among patients with postoperative colorectal cancer after being supplemented with partially hydrolyzed guar gum: Outcome of a pilot study.

BACKGROUND: High stoma output is a significant complication after bowel surgery that causes dehydration, resulting in acute kidney injury, electrolyte imbalances, unintentional weight loss, and malnutrition. This study evaluates the postoperative ileostomy output among patients with colorectal cancer after being supplemented with partially hydrolyzed guar gum. METHODS: This cross-sectional study collected sociodemographic and clinical characteristics, stoma output, and dietary intake upon discharge, hospitalization, and readmission within 30 d of discharge. RESULTS: A total of 29 participants were recruited, with 72.4% having moderate malnutrition risk. Patients who received partially hydrolyzed guar gum (PHGG) fiber reported lower stoma output with firmer output consistency than patients who received standard care (SC) (P < 0.05 and P < 0.01). Patients who received PHGG achieved higher energy, protein, and soluble fiber intake than did the SC group (P < 0.01) upon discharge. There was a significant inverse association between soluble fiber (PHGG fiber + dietary soluble fiber) intake and ileostomy output (r, -0.494; P = 0.006). CONCLUSIONS: Partially hydrolyzed guar gum fiber acts as an agent to hold water, reduce the speed of gastrointestinal tract transit, increase effluent viscosity, and potentially decrease water losses. Supplementation with PHGG fiber appeared to minimize ileostomy output and improve clinical outcomes among postoperative ileostomy patients. This needs to be evaluated further with a randomized controlled trial to confirm this preliminary finding.

Weight Loss in Post-Chemoradiotherapy Head and Neck Cancer Patients.

Background: Weight loss is well-known among head and neck (HNC) patients during radiotherapy and could continue after the treatment is completed. Weight monitoring is essential for treatment outcomes and cancer surveillance. The purpose of the study is to evaluate the weight loss during and post-treatment among HNC patients. Methods: A total of 45 out of 50 patients post-treatment were included in this secondary treatment. Data were collected at baseline, at the completion of radiotherapy and one month after completion of radiotherapy. Results: The mean weight loss was 4.53 ± 2.87 kg (7.4%) during treatment and 1.38 ± 2.65 kg (2.1%) post-treatment. There were significant improvements one month after completion of radiotherapy in Patient-Generated Subjective Global Assessment (PGSGA), muscle mass, nutrition impact symptoms (NIS) score, energy and protein from oral intake (p < 0.0001). Energy and protein from oral nutritional supplements (ONS) decreased significantly (p < 0.0001). Conclusions: The results of this study underline the importance of early identification and monitoring post-treatment in HNC patients. The post-treatment recovery stage is very important for HNC patients to ensure a healing process.

Changes in Nutrition Impact Symptoms, Nutritional and Functional Status during Head and Neck Cancer Treatment.

BACKGROUND: The purpose of this study is to evaluate changes in nutrition impact symptoms (NIS) and nutritional and functional status that occur throughout radiotherapy in head and neck cancer (HNC) patients. METHODS: A prospective observational study of HNC inpatients who underwent radiotherapy with or without chemotherapy were recruited to participate. Fifty patients were followed for the periods before, in the middle and at the end of radiotherapy. Nutritional parameters were collected throughout radiotherapy. RESULTS: According to Patient-Generated Subjective Global Assessment (PG-SGA), there was an increase from a baseline of 56% malnourished HNC patients to 100% malnourished with mean weight loss of 4.53 ± 0.41kg (7.39%) at the end of radiotherapy. Nutritional parameters such as muscle mass, fat mass, body mass index, dietary energy and protein intake decrease significantly (p < 0.0001) while NIS score, energy and protein intake from oral nutritional supplements (ONS) increased significantly (p < 0.0001). Hand grip strength did not differ significantly. All HNC patients experienced taste changes and dry mouth that required ONS at the end of treatment. ONS compliance affected the percentage of weight loss (p = 0.013). CONCLUSIONS: The intensive nutritional care time point was the middle of RT. The PG-SGA and NIS checklist are useful for monitoring nutrition for HNC patients.

Impact of Enhanced Recovery after Surgery with Preoperative Whey Protein-Infused Carbohydrate Loading and Postoperative Early Oral Feeding among Surgical Gynecologic Cancer Patients: An Open-Labelled Randomized Controlled Trial.

Enhanced Recovery after Surgery (ERAS) with sole carbohydrate (CHO) loading and postoperative early oral feeding (POEOF) shortened the length of postoperative (PO) hospital stays (LPOHS) without increasing complications. This study aimed to examine the impact of ERAS with preoperative whey protein-infused CHO loading and POEOF among surgical gynecologic cancer (GC) patients. There were 62 subjects in the intervention group (CHO-P), which received preoperative whey protein-infused CHO loading and POEOF; and 56 subjects formed the control group (CO), which was given usual care. The mean age was 49.5 ± 12.2 years (CHO-P) and 51.2 ± 11.9 years (CO). The trial found significant positive results which included shorter LPOHS (78.13 ± 33.05 vs. 99.49 ± 22.54 h); a lower readmission rate within one month PO (6% vs. 16%); lower weight loss (-0.3 ± 2.3 kg vs. -2.1 ± 2.3 kg); a lower C-reactive protein-albumin ratio (0.3 ± 1.2 vs. 1.1 ± 2.6); preserved muscle mass (0.4 ± 1.7 kg vs. -0.7 ± 2.6 kg); and better handgrip strength (0.6 ± 4.3 kg vs. -1.9 ± 4.7 kg) among CHO-P as compared with CO. However, there was no significant difference in mid-upper arm circumference and serum albumin level upon discharge. ERAS with preoperative whey protein-infused CHO loading and POEOF assured better PO outcomes.