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Guan X, Chen D, Xu Y. Clinical practice guidelines for nutritional assessment and monitoring of adult ICU patients in China. JOURNAL OF INTENSIVE MEDICINE 2024; 4:137-159. [PMID: 38681796 PMCID: PMC11043647 DOI: 10.1016/j.jointm.2023.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/15/2023] [Accepted: 12/18/2023] [Indexed: 05/01/2024]
Abstract
The Chinese Society of Critical Care Medicine (CSCCM) has developed clinical practice guidelines for nutrition assessment and monitoring for patients in adult intensive care units (ICUs) in China. This guideline focuses on nutrition evaluation and metabolic monitoring to achieve optimal and personalized nutrition therapy for critically ill patients. This guideline was developed by experts in critical care medicine and evidence-based medicine methodology and was developed after a thorough review of the system and a summary of relevant trials or studies published from 2000 to July 2023. A total of 18 recommendations were formed and consensus was reached through discussions and reviews by expert groups in critical care medicine, parenteral and enteral nutrition, and surgery. The recommendations are based on currently available evidence and cover several key fields, including screening and assessment, evaluation and assessment of enteral feeding intolerance, metabolic and nutritional measurement and monitoring during nutrition therapy, and organ function evaluation related to nutrition supply. Each question was analyzed according to the Population, Intervention, Comparison, and Outcome (PICO) principle. In addition, interpretations were provided for four questions that did not reach a consensus but may have potential clinical and research value. The plan is to update this nutrition assessment and monitoring guideline using the international guideline update method within 3-5 years.
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Affiliation(s)
- Xiangdong Guan
- Department of Critical Care Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Dechang Chen
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuan Xu
- Department of Critical Care Medicine, Beijing Tsinghua Changgung Hospital, Beijing, China
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Bertoli D, Mark EB, Liao D, Brock C, Frøkjaer JB, Drewes AM. A novel MRI-based three-dimensional model of stomach volume, surface area, and geometry in response to gastric filling and emptying. Neurogastroenterol Motil 2023; 35:e14497. [PMID: 36416084 PMCID: PMC10078211 DOI: 10.1111/nmo.14497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 09/29/2022] [Accepted: 10/20/2022] [Indexed: 11/24/2022]
Abstract
BACKGROUND Gastric motility and accommodation have a critical role in maintaining normal gastrointestinal homeostasis. Different modalities can be adopted to quantify those processes, that is, scintigraphy to measure emptying time and intragastric Barostat for accommodation assessment. However, magnetic resonance imaging (MRI) can assess the same parameters noninvasively without ionizing radiation. Our study aimed to develop a detailed three-dimensional (3D) MRI model of the stomach to describe gastric volumes, surface areas, wall tension distribution, and interobserver agreement. METHODS Twelve healthy volunteers underwent an MRI protocol of six axial T2-weighted acquisitions. Each dataset was used to construct a 3D model of the stomach: First, the volumes of the whole stomach, gastric liquid, and air were segmented. After landmark placing, a raw 3D model was generated from segmentation data. Subsequently, irregularities were removed, and the model was divided into compartments. Finally, surface area and 3D geometry parameters (inverse curvatures) were extracted. The inverse curvatures were used as a proxy for wall tension distribution without measuring the intragastric pressure. KEY RESULTS The model was able to describe changes in volume and surface geometry for each compartment with a distinct pattern in response to filling and emptying. The surface tension was distributed nonhomogeneously between compartments and showed dynamical changes at various time points. CONCLUSION & INFERENCES The presented model offers a detailed tool for evaluating gastric volumes, surface geometry, and wall tension in response to filling and emptying and will provide insights into gastric emptying and accommodation in diseases such as diabetic gastroparesis.
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Affiliation(s)
- Davide Bertoli
- Department of Gastroenterology and Hepatology, Mech-Sense, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Esben Bolvig Mark
- Department of Gastroenterology and Hepatology, Mech-Sense, Aalborg University Hospital, Aalborg, Denmark
| | - Donghua Liao
- Department of Gastroenterology and Hepatology, Mech-Sense, Aalborg University Hospital, Aalborg, Denmark
| | - Christina Brock
- Department of Gastroenterology and Hepatology, Mech-Sense, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Jens Brøndum Frøkjaer
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.,Department of Radiology, Mech-Sense, Aalborg University Hospital, Aalborg, Denmark
| | - Asbjørn Mohr Drewes
- Department of Gastroenterology and Hepatology, Mech-Sense, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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Sakai K, Darma PN, Sejati PA, Wicaksono R, Hayashi H, Takei M. Gastric functional monitoring by gastric electrical impedance tomography (gEIT) suit with dual-step fuzzy clustering. Sci Rep 2023; 13:514. [PMID: 36627333 PMCID: PMC9832012 DOI: 10.1038/s41598-022-27060-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 12/23/2022] [Indexed: 01/12/2023] Open
Abstract
Gastric Function has been successfully estimated by gastric electrical impedance tomography (gEIT) Suit with dual-step fuzzy clustering. The gEIT Suit which are made of elastic cloth with dual-planar electrodes and compact data acquisition (DAQ) system measures gastric impedance Z to visualize the gastric conductivity distribution σ. The dual-step fuzzy clustering extracts the clustered gastric conductivity distribution kσ, which accurately estimates the gastric function. The gEIT Suit with dual-step fuzzy clustering are applied to eight healthy persons during liquid meal consumption to estimate the gastric function under gastric accommodation phase of 200, 400 and 600 mL based on the gastric emptying phase. As the results, the gEIT Suit successfully estimate the gastric function. By the measured impedance Z, the subjects have a mean temporal impedance [Formula: see text]= - 9.27 [Ohm] and p-value of that [Formula: see text] p(Z) = 0.0013[-]as the t-test result. In the case of gastric conductivity distribution σ, the subjects have a value of spatial mean conductivity distribution ⟨σ⟩ = 0.23[-] and p-value of that ⟨σ⟩ p(σ) = 0.0140[-]. Lastly, in the case gastric volume V, subjects have a gastric volume V = 12.44 [%] and p-value p(V) = 0.0664[-].
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Affiliation(s)
- K. Sakai
- grid.136304.30000 0004 0370 1101Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University, Chiba-Shi, Japan
| | - P. N. Darma
- grid.136304.30000 0004 0370 1101Division of Fundamental Engineering, Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University JSPS International Research Fellow, Chiba-Shi, 263-8522 Japan
| | - P. A. Sejati
- grid.136304.30000 0004 0370 1101Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University, Chiba-Shi, Japan
| | - R. Wicaksono
- grid.136304.30000 0004 0370 1101Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University, Chiba-Shi, Japan
| | - H. Hayashi
- grid.136304.30000 0004 0370 1101Center for Frontier Medical Engineering, Chiba University, Chiba-Shi, Japan
| | - M. Takei
- grid.136304.30000 0004 0370 1101Department of Mechanical Engineering, Graduate School of Science and Engineering, Chiba University, Chiba-Shi, Japan
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Pre-operative fasting in children: A guideline from the European Society of Anaesthesiology and Intensive Care. Eur J Anaesthesiol 2022; 39:4-25. [PMID: 34857683 DOI: 10.1097/eja.0000000000001599] [Citation(s) in RCA: 76] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Current paediatric anaesthetic fasting guidelines have recommended conservative fasting regimes for many years and have not altered much in the last decades. Recent publications have employed more liberal fasting regimes with no evidence of increased aspiration or regurgitation rates. In this first solely paediatric European Society of Anaesthesiology and Intensive Care (ESAIC) pre-operative fasting guideline, we aim to present aggregated and evidence-based summary recommendations to assist clinicians, healthcare providers, patients and parents. We identified six main topics for the literature search: studies comparing liberal with conservative regimens; impact of food composition; impact of comorbidity; the use of gastric ultrasound as a clinical tool; validation of gastric ultrasound for gastric content and gastric emptying studies; and early postoperative feeding. The literature search was performed by a professional librarian in collaboration with the ESAIC task force. Recommendations for reducing clear fluid fasting to 1 h, reducing breast milk fasting to 3 h, and allowing early postoperative feeding were the main results, with GRADE 1C or 1B evidence. The available evidence suggests that gastric ultrasound may be useful for clinical decision-making, and that allowing a 'light breakfast' may be well tolerated if the intake is well controlled. More research is needed in these areas as well as evaluation of how specific patient or treatment-related factors influence gastric emptying.
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Febo-Rodriguez L, Chumpitazi BP, Sher AC, Shulman RJ. Gastric accommodation: Physiology, diagnostic modalities, clinical relevance, and therapies. Neurogastroenterol Motil 2021; 33:e14213. [PMID: 34337824 DOI: 10.1111/nmo.14213] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 05/09/2021] [Accepted: 05/31/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND Gastric accommodation is an essential gastric motor function which occurs following ingestion of a meal. Impaired gastric fundic accommodation (IFA) is associated with dyspeptic symptoms. Gastric accommodation is mediated by the vagal pathway with several important physiologic factors such as duodenal nutrient feedback playing a significant role. IFA has been described as a pathophysiologic factor in several gastrointestinal disorders including functional dyspepsia, diabetic gastropathy, post-Nissen fundoplication, postsurgical gastrectomy, and rumination syndrome. Modalities for gastric accommodation assessment include gastric barostat, intragastric meal distribution via scintigraphy, drinking tests (eg, water load), SPECT, MRI, 2D and 3D ultrasound, and intragastric high-resolution manometry. Several treatment options including sumatriptan, buspirone, tandospirone, ondansetron, and acotiamide may improve symptoms by increasing post-meal gastric volume. PURPOSE Our aim is to provide an overview of the physiology, diagnostic modalities, and therapies for IFA. A literature search was conducted on PubMed, Google Scholar, and other sources to identify relevant studies available until December 2020. Gastric accommodation is an important gastric motor function which if impaired, is associated with several upper gastrointestinal disorders. There are an increasing number of gastric accommodation testing modalities; however, each has facets which warrant consideration. Evidence regarding potentially effective therapies for IFA is growing.
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Affiliation(s)
- Liz Febo-Rodriguez
- Section of Pediatric Gastroenterology, Hepatology, and Nutrition, University of Miami, Miami, Florida, USA
| | - Bruno P Chumpitazi
- Section of Pediatric Gastroenterology, Hepatology, and Nutrition, Baylor College of Medicine, Houston, Texas, USA.,United States Department of Agriculture, Agriculture Research Services, Children's Nutrition Research Center, Houston, Texas, USA
| | - Andrew C Sher
- Department of Pediatric Radiology, Texas Children's Hospital, Houston, Texas, USA
| | - Robert J Shulman
- Section of Pediatric Gastroenterology, Hepatology, and Nutrition, Baylor College of Medicine, Houston, Texas, USA.,United States Department of Agriculture, Agriculture Research Services, Children's Nutrition Research Center, Houston, Texas, USA
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Shi J, Shen H, Gao Q, Mulmi Shrestha S, Tan J, Lu T, Yang B. Evaluation of gastric emptying in patients with gastroparesis by three-dimensional ultrasound. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1343. [PMID: 34532480 PMCID: PMC8422084 DOI: 10.21037/atm-21-3972] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 08/16/2021] [Indexed: 12/25/2022]
Abstract
Background To diagnose gastroparesis, it is necessary to assess gastric emptying accurately. This study aims to investigate the role of three-dimensional ultrasonography (3-D US) on the measurement of gastric volume to evaluate gastric accommodation in healthy patients. Methods In this study, 21 volunteers, 46 patients with diabetic gastroparesis (DG), and 22 patients with postsurgical gastroparesis (PSG) underwent 3-D US after oral administration of 250 mL gastrointestinal contrast at 2, 30, 60, and 90 min. The volume of the contrast agent in the stomach was then calculated using the virtual organ computer-aided analysis (VOCAL) (Virtual Organ Computer-aided AnaLysis, General Electric Medical Systems, Kretztechnik, Zipf, Austria). Results In the DG group, the gastric residue volumes at postprandial 60 and 90 min were significantly higher than those in the healthy group (P<0.05), and the areas under the receiver operating characteristic (ROC) curve of these parameters were 0.830 and 0.957, respectively. There were significant differences between the PSG and healthy groups at 60 and 90 min; however, the AUC of gastric residue at 90 min (0.955) was higher than the AUC at 60 min (0.697). Conclusions Therefore, this study showed that the 3-D US is a powerful tool for assessing gastric emptying and provides a new strategy for diagnosing gastroparesis.
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Affiliation(s)
- Jinjun Shi
- Department of Ultrasound, Jinling Hospital, Nanjing Medical University, Nanjing, China.,Department of Ultrasound, Zhongda Hospital, Medical School, Southeast University, Nanjing, China
| | - Huiming Shen
- Department of Ultrasound, Zhongda Hospital, Medical School, Southeast University, Nanjing, China
| | - Qi Gao
- Department of Ultrasound, Zhongda Hospital, Medical School, Southeast University, Nanjing, China
| | - Sachin Mulmi Shrestha
- Department of Ultrasound, Zhongda Hospital, Medical School, Southeast University, Nanjing, China
| | - Jiacheng Tan
- Department of Gastroenterology, Zhongda Hospital, Medical School, Southeast University, Nanjing, China
| | - Tong Lu
- Department of Radiology, Zhongda Hospital, Medical School, Southeast University, Nanjing, China
| | - Bin Yang
- Department of Ultrasound, Jinling Hospital, Nanjing Medical University, Nanjing, China
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Steinsvik EK, Hatlebakk JG, Hausken T, Nylund K, Gilja OH. Ultrasound imaging for assessing functions of the GI tract. Physiol Meas 2021; 42:024002. [PMID: 33434898 DOI: 10.1088/1361-6579/abdad7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
OBJECTIVE In the following review we outline how ultrasound can be used to measure physiological processes in the gastrointestinal tract. APPROACH We have investigated the potential of ultrasound in assessing gastrointestinal physiology including original research regarding both basic methodology and clinical applications. MAIN RESULTS Our main findings show the use of ultrasound to study esophageal motility, measure volume and contractility of the stomach, assess motility, wall thickness, and perfusion of the small bowel, and evaluate wall vascularization and diameters of the large bowel. SIGNIFICANCE Ultrasound is a widely accessible technology that can be used for both scientific and clinical purposes. Being radiation-free and user friendly, the examination can be frequently repeated enabling longitudinal studies. Furthermore, it does not influence normal GI physiology, thus being useful to estimate motility and subtle changes in physiology. Accordingly, ultrasound scanning and physiological measurements may make a big difference for the scientist and the doctor; and for the patients who receive an efficient work-up.
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Affiliation(s)
- Elisabeth K Steinsvik
- National Center for Ultrasound in Gastroenterology, Department of Medicine, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Jan Gunnar Hatlebakk
- National Center for Ultrasound in Gastroenterology, Department of Medicine, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Trygve Hausken
- National Center for Ultrasound in Gastroenterology, Department of Medicine, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Kim Nylund
- National Center for Ultrasound in Gastroenterology, Department of Medicine, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Odd Helge Gilja
- National Center for Ultrasound in Gastroenterology, Department of Medicine, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
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The Intragastric Pressure Measurement: A Novel Method to Assess Gastric Accommodation in Functional Dyspepsia Children. J Pediatr Gastroenterol Nutr 2017; 64:918-924. [PMID: 27557427 DOI: 10.1097/mpg.0000000000001386] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Impaired gastric accommodation (GA) is proposed as a main pathophysiological mechanism for functional dyspepsia (FD). At present, the gastric barostat is the criterion standard to measure GA. Hence, this procedure is invasive and it may alter gastric physiology. Recently, we proposed the measurement of intragastric pressure (IGP) by means of high-resolution manometry during nutrient intake as a potential alternative for assessing GA in adults. OBJECTIVES Our aim was first to study the feasibility of the IGP measurement with nutrient tolerance in children with FD and second to compare these results with young healthy adults. METHODS A high-resolution manometry probe and a feeding tube were positioned in the proximal stomach. The IGP was measured before and during intragastric infusion of a nutrient drink (ND, 300 kcal, 60 mL/min). Subjects were asked to score their satiation and epigastric symptoms. The test ended when the subjects scored maximal satiation. RESULTS A total of 15 healthy volunteers (HVs, 21.7 ± 4.7 years, 21.1 ± 0.3 kg/m) and 17 patients with FD (14.4 ± 0.7 years, 19.6 ± 0.7 kg/m) participated. Patients with FD experienced mainly from postprandial fullness (86%), epigastric pain (71%), and bloating (62%). In both groups, intragastric infusion of ND induced a drop in IGP (area above the IGP curve FD: -15.5 ± 3.5 mmHg vs HVs: -18.0 ± 8.7 mmHg; P = 0.57). Patients showed impaired nutrient tolerance compared with HVs (587.6 ± 80.2 vs 936 ± 66.2 kcal; P = 0.003). All patients and HVs tolerated the catheters and could finalize the study. CONCLUSIONS The measurement of IGP during intragastric ND infusion was well tolerated in children. Nutrient tolerance was reduced in children with FD compared with HVs. In the future, this may be a useful tool to assess GA accommodation and nutrient tolerance in children.
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Ziessman HA. Gastrointestinal Transit Assessment: Role of Scintigraphy: Where Are We Now? Where Are We Going? ACTA ACUST UNITED AC 2016; 14:452-460. [DOI: 10.1007/s11938-016-0108-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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