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Jiang L, Xu J, Cheng SY, Wang Y, Cai W. The gut microbiome and intestinal failure-associated liver disease. Hepatobiliary Pancreat Dis Int 2023; 22:452-457. [PMID: 37453856 DOI: 10.1016/j.hbpd.2023.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 07/05/2023] [Indexed: 07/18/2023]
Abstract
Intestinal failure-associated liver disease (IFALD) is a common hepatobiliary complication resulting from long-term parenteral nutrition (PN) in patients with intestinal failure. The spectrum of IFALD ranges from cholestasis, steatosis, portal fibrosis, to cirrhosis. Development of IFALD is a multifactorial process, in which gut dysbiosis plays a critical role in its initiation and progression in conjunction with increased intestinal permeability, activation of hepatic immune responses, and administration of lipid emulsion. Gut microbiota manipulation including pre/probiotics, fecal microbiota transplantation, and antibiotics has been studied in IFALD with varying success. In this review, we summarize current knowledge on the taxonomic and functional changes of gut microbiota in preclinical and clinical studies of IFALD. We also review the function of microbial metabolites and associated signalings in the context of IFALD. By providing microbiota-targeted interventions aiming to optimize PN-induced liver injury, our review provides perspectives for future basic and translational investigations in the field.
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Affiliation(s)
- Lu Jiang
- Division of Pediatric Gastroenterology and Nutrition, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China; Shanghai Institute for Pediatric Research, Shanghai 200092, China; Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai 200092, China
| | - Juan Xu
- Division of Pediatric Gastroenterology and Nutrition, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China
| | - Si-Yang Cheng
- Department of Pediatric Surgery, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China
| | - Ying Wang
- Division of Pediatric Gastroenterology and Nutrition, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China; Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai 200092, China
| | - Wei Cai
- Division of Pediatric Gastroenterology and Nutrition, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China; Shanghai Institute for Pediatric Research, Shanghai 200092, China; Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai 200092, China; Department of Pediatric Surgery, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China.
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Wilczyński B, Śnieżyński J, Nowakowska M, Wallner G. Neurological complications in patients undergoing general surgery: A literature review. Pol Przegl Chir 2023; 96:71-77. [PMID: 38348989 DOI: 10.5604/01.3001.0053.6869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
Surgical procedures are extremely burdensome for patients, as in addition to complications directly related to the intervention, they expose the patient to further complications resulting from the disturbance of key functions of homeostasis in the body's systems, particularly the circulatory, respiratory, and nervous systems. Furthermore, they may contribute to the exacerbation of symptoms of underlying chronic diseases. This paper focuses on the most common possible neurological complications that may occur after surgical procedures and includes topics such as stroke, chronic pain, neuropathy, and delirium. The risk factors for neurological deficits, their known or possible etiology, the most characteristic symptoms, and potential preventive actions are discussed. The paper analyzes articles from the PubMed, ResearchGate, and Scopus databases. A surge0on's knowledge of possible complications that may occur in the perioperative period enables early recognition and effective reduction of their negative impact on the patient's functioning and quality of life after surgery, contributing to better overall treatment outcomes.
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Affiliation(s)
- Bartosz Wilczyński
- Second Department of General & Gastrointestinal Surgery & Surgical Oncology of the Alimentary Tract, Medical University of Lublin, Poland
| | - Jan Śnieżyński
- Second Department of General & Gastrointestinal Surgery & Surgical Oncology of the Alimentary Tract, Medical University of Lublin, Poland
| | | | - Grzegorz Wallner
- Second Department of General & Gastrointestinal Surgery & Surgical Oncology of the Alimentary Tract, Medical University of Lublin, Poland
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Rothkopf M, Pant M, Brown R, Haselhorst J, Gagliardotto F, Tallman A, Stevenson D, DePalma A, Saracco M, Rosenberg D, Proudan V, Shareef K, Ayub N. Impact of a multidisciplinary nutritional support team on quality improvement for patients receiving home parenteral nutrition. BMJ Nutr Prev Health 2022; 5:286-296. [PMID: 36619321 PMCID: PMC9813622 DOI: 10.1136/bmjnph-2022-000484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 10/24/2022] [Indexed: 11/16/2022] Open
Abstract
Introduction Home parenteral nutrition (HPN) is essential for patients with intestinal failure requiring long-term nutritional support. The Amerita Quality Improvement Project for HPN Patients (QIP-PN) explored the effect of a physician nutrition expert (PNE)-led multidisciplinary nutritional support team (MNST) on HPN care for patients under its service. Objective To determine an MNST effect on adherence to protocols, outcomes and quality of life (QOL) in HPN. Methods The study was divided into three phases: data review (phases 1a and 1b), observation (phase 2) and intervention (phase 3). Seven Amerita locations were selected as 'study branches' (population), from which all study patients and controls were drawn. The quality improvement project employed a quasi-experimental case-matched control group (control) design. Data were collected on demographics, treating physicians PNE status, HPN care variables, recommended interventions, quality-of-life assessment, adverse outcomes and hospitalisations. Paired t-test compared continuous data between phases 2 and 3. Comparisons between study and control groups used a negative binomial regression model. Results Thirty-four patients were reviewed in phase 1a and 197 in phase 1b. Forty study patients completed phase 2 and progressed into phase 3, of whom 30 completed ≥60 therapy days. Patients were lost to follow-up if they discontinued HPN for any reason. Improvements in weight, body mass index and QOL were seen in the study patients during intervention. Recommendations made and accepted by treating physicians differed based on PNE status. Study patients had fewer adverse outcomes and related hospitalisations than controls. Conclusion MNST recommendations improved clinical, biochemical parameters and patients' self-reported overall health. MNST input reduced adverse outcomes, hospitalisation and the length of stay at the hospital. This study highlights the potential for MNST to have a significant impact on the quality and overall cost of HPN management.
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Affiliation(s)
- Michael Rothkopf
- Department of Internal Medicine, Rutgers New Jersey Medical School, Newark, New Jersey, USA
| | - Mohan Pant
- School of Health Professions, Eastern Virginia Medical School, Norfolk, Virginia, USA
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- Atlantic Health System Inc, Florham Park, New Jersey, USA
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Ong XYS, Sultana R, Tan JWS, Tan QX, Wong JSM, Chia CS, Ong CAJ. The Role of Total Parenteral Nutrition in Patients with Peritoneal Carcinomatosis: A Systematic Review and Meta-Analysis. Cancers (Basel) 2021; 13:4156. [PMID: 34439309 PMCID: PMC8393754 DOI: 10.3390/cancers13164156] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/13/2021] [Accepted: 08/16/2021] [Indexed: 01/23/2023] Open
Abstract
Peritoneal carcinomatosis (PC) is often associated with malnutrition and an inability to tolerate enteral feeding. Although total parenteral nutrition (TPN) can be lifesaving for patients with no other means of nutritional support, its use in the management of PC patients remains controversial. Therefore, a systematic review and meta-analysis was performed to evaluate the benefit of TPN on the overall survival of PC patients, in accordance with PRISMA guidelines. A total of 187 articles were screened; 10 were included in this review and eight were included in the meta-analysis. The pooled median overall survival of patients who received TPN was significantly higher than patients who did not receive TPN (p = 0.040). When only high-quality studies were included, a significant survival advantage was observed in PC patients receiving TPN (p < 0.001). Subgroup analysis of patients receiving chemotherapy demonstrated a significant survival benefit (p = 0.008) associated with the use of TPN. In conclusion, TPN may improve survival outcomes in PC patients. However, further studies are needed to conclude more definitively on the effect of TPN.
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Affiliation(s)
- Xing-Yi Sarah Ong
- Department of Sarcoma, Peritoneal and Rare Tumours (SPRinT), Division of Surgery and Surgical Oncology, National Cancer Centre Singapore, Singapore 169610, Singapore; (X.-Y.S.O.); (J.W.-S.T.); (Q.X.T.); (J.S.M.W.); (C.S.C.)
- Department of Sarcoma, Peritoneal and Rare Tumours (SPRinT), Division of Surgery and Surgical Oncology, Singapore General Hospital, Singapore 169608, Singapore
- Duke-NUS Medical School, Singapore 169857, Singapore;
- Laboratory of Applied Human Genetics, Division of Medical Sciences, National Cancer Centre Singapore, Singapore 169610, Singapore
| | | | - Joey Wee-Shan Tan
- Department of Sarcoma, Peritoneal and Rare Tumours (SPRinT), Division of Surgery and Surgical Oncology, National Cancer Centre Singapore, Singapore 169610, Singapore; (X.-Y.S.O.); (J.W.-S.T.); (Q.X.T.); (J.S.M.W.); (C.S.C.)
- Department of Sarcoma, Peritoneal and Rare Tumours (SPRinT), Division of Surgery and Surgical Oncology, Singapore General Hospital, Singapore 169608, Singapore
- Laboratory of Applied Human Genetics, Division of Medical Sciences, National Cancer Centre Singapore, Singapore 169610, Singapore
| | - Qiu Xuan Tan
- Department of Sarcoma, Peritoneal and Rare Tumours (SPRinT), Division of Surgery and Surgical Oncology, National Cancer Centre Singapore, Singapore 169610, Singapore; (X.-Y.S.O.); (J.W.-S.T.); (Q.X.T.); (J.S.M.W.); (C.S.C.)
- Department of Sarcoma, Peritoneal and Rare Tumours (SPRinT), Division of Surgery and Surgical Oncology, Singapore General Hospital, Singapore 169608, Singapore
- Laboratory of Applied Human Genetics, Division of Medical Sciences, National Cancer Centre Singapore, Singapore 169610, Singapore
| | - Jolene Si Min Wong
- Department of Sarcoma, Peritoneal and Rare Tumours (SPRinT), Division of Surgery and Surgical Oncology, National Cancer Centre Singapore, Singapore 169610, Singapore; (X.-Y.S.O.); (J.W.-S.T.); (Q.X.T.); (J.S.M.W.); (C.S.C.)
- Department of Sarcoma, Peritoneal and Rare Tumours (SPRinT), Division of Surgery and Surgical Oncology, Singapore General Hospital, Singapore 169608, Singapore
| | - Claramae Shulyn Chia
- Department of Sarcoma, Peritoneal and Rare Tumours (SPRinT), Division of Surgery and Surgical Oncology, National Cancer Centre Singapore, Singapore 169610, Singapore; (X.-Y.S.O.); (J.W.-S.T.); (Q.X.T.); (J.S.M.W.); (C.S.C.)
- Department of Sarcoma, Peritoneal and Rare Tumours (SPRinT), Division of Surgery and Surgical Oncology, Singapore General Hospital, Singapore 169608, Singapore
- SingHealth Duke-NUS Oncology Academic Clinical Program, Duke-NUS Medical School, Singapore 169857, Singapore
| | - Chin-Ann Johnny Ong
- Department of Sarcoma, Peritoneal and Rare Tumours (SPRinT), Division of Surgery and Surgical Oncology, National Cancer Centre Singapore, Singapore 169610, Singapore; (X.-Y.S.O.); (J.W.-S.T.); (Q.X.T.); (J.S.M.W.); (C.S.C.)
- Department of Sarcoma, Peritoneal and Rare Tumours (SPRinT), Division of Surgery and Surgical Oncology, Singapore General Hospital, Singapore 169608, Singapore
- Laboratory of Applied Human Genetics, Division of Medical Sciences, National Cancer Centre Singapore, Singapore 169610, Singapore
- SingHealth Duke-NUS Oncology Academic Clinical Program, Duke-NUS Medical School, Singapore 169857, Singapore
- Institute of Molecular and Cell Biology, A*STAR Research Entities, Singapore 138673, Singapore
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Bielawska B, Allard JP. Parenteral Nutrition and Intestinal Failure. Nutrients 2017; 9:E466. [PMID: 28481229 DOI: 10.3390/nu9050466] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 04/11/2017] [Accepted: 04/19/2017] [Indexed: 12/27/2022] Open
Abstract
Severe short bowel syndrome (SBS) is a major cause of chronic (Type 3) intestinal failure (IF) where structural and functional changes contribute to malabsorption and risk of micronutrient deficiencies. Chronic IF may be reversible, depending on anatomy and intestinal adaptation, but most patients require long-term nutritional support, generally in the form of parenteral nutrition (PN). SBS management begins with dietary changes and pharmacologic therapies taking into account individual anatomy and physiology, but these are rarely sufficient to avoid PN. New hormonal therapies targeting intestinal adaptation hold promise. Surgical options for SBS including intestinal transplant are available, but have significant limitations. Home PN (HPN) is therefore the mainstay of treatment for severe SBS. HPN involves chronic administration of macronutrients, micronutrients, fluid, and electrolytes via central venous access in the patient's home. HPN requires careful clinical and biochemical monitoring. Main complications of HPN are related to venous access (infection, thrombosis) and metabolic complications including intestinal failure associated liver disease (IFALD). Although HPN significantly impacts quality of life, outcomes are generally good and survival is mostly determined by the underlying disease. As chronic intestinal failure is a rare disease, registries are a promising strategy for studying HPN patients to improve outcomes.
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Abstract
Short bowel syndrome (SBS) is defined as loss of bowel mass from surgical resection, congenital defects, or disease. Intestinal failure (IF) includes the subset of SBS unable to meet nutrition needs with enteral supplements and requires parenteral nutrition (PN). The parenteral treatment of SBS is now a half-century old. Recent pharmacologic treatment (GLP-2 analogues) has begun to make a significant impact in the care and ultimate management of these patients such that the possibility of reducing PN requirements in formerly PN-dependent patients is a now a real possibility. Finally, newer understanding and possible treatment for some of the complications related to IF have more recently evolved and will be an emphasis of this report. This review will focus on developments over the last 10 years with the goal of updating the reader to new advances in our understanding of the care and feeding of the SBS patient.
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Affiliation(s)
- Robert E Carroll
- Intestinal Rehabilitation and Transplant Center, Departments of Medicine and Surgery, University of Illinois at Chicago and Chicago Veterans Administration Medical Center (West Side Division), 840 South Wood Street (M/C 787), Chicago, IL, 60612, USA.
| | - Enrico Benedetti
- Intestinal Rehabilitation and Transplant Center, Departments of Medicine and Surgery, University of Illinois at Chicago and Chicago Veterans Administration Medical Center (West Side Division), 840 South Wood Street (M/C 787), Chicago, IL, 60612, USA
| | - Joseph P Schowalter
- Intestinal Rehabilitation and Transplant Center, Departments of Medicine and Surgery, University of Illinois at Chicago and Chicago Veterans Administration Medical Center (West Side Division), 840 South Wood Street (M/C 787), Chicago, IL, 60612, USA
| | - Alan L Buchman
- Intestinal Rehabilitation and Transplant Center, Departments of Medicine and Surgery, University of Illinois at Chicago and Chicago Veterans Administration Medical Center (West Side Division), 840 South Wood Street (M/C 787), Chicago, IL, 60612, USA
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Paine P, McLaughlin J, Lal S. Review article: the assessment and management of chronic severe gastrointestinal dysmotility in adults. Aliment Pharmacol Ther 2013; 38:1209-29. [PMID: 24102305 DOI: 10.1111/apt.12496] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Revised: 02/27/2013] [Accepted: 08/30/2013] [Indexed: 12/12/2022]
Abstract
BACKGROUND The characterisation and management of chronic severe gastrointestinal (GI) dysmotility are challenging. It may cause intestinal failure requiring home parenteral nutrition (HPN). AIMS To review the presentation, aetiology, characterisation, management and outcome of chronic severe GI dysmotility, and to suggest a pragmatic management algorithm. METHODS PubMed search was performed up to December 2012 using appropriate search terms, restricted to human articles and reviewed for relevance. Segmental dysmotility, acute ileus, functional syndromes and non-English articles were excluded. Evidence and recommendations were evaluated using the GRADE system. RESULTS In total, 721 relevant articles were reviewed. A coherent and definitive picture is hampered by overlapping classification systems using multi-modal characterisation methods, subject to pitfalls and some requiring further validation. The literature is confined to case series with no randomised trials. Fewer than 20% undergo full thickness jejunal biopsy, which are otherwise labelled idiopathic. However, in studies with up to 80% biopsy rates, neuromuscular abnormalities may be found in 90%. Between 14% and 50% will require HPN, comprising 8-14% of all HPN patients, of which 2/3 are primary/idiopathic and 1/3 secondary, with scleroderma being the leading secondary cause. Ten-year mortality ranges from 13% to 35% and is worst in elderly scleroderma patients. Management includes limited treatments for secondary causes, prokinetics, symptom palliation, psychological support, nutrition, hydration and judicious surgery. CONCLUSIONS Severe dysmotility often remains idiopathic. It is rarely possible to alter disease trajectory; consequently, prognosis may be poor. Multi-disciplinary teams in a specialist setting can improve outcomes. Graded recommendations are enumerated and a pragmatic algorithm is suggested.
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Affiliation(s)
- P Paine
- Department of Gastroenterology, Salford Royal NHS Foundation Trust, Salford, UK; Manchester Academic Health Sciences Centre, University of Manchester, Manchester, UK
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Abstract
Loss of intestinal absorptive capacity from congenital defect, surgical resection or mucosal disease results in short bowel syndrome (SBS)-associated intestinal failure. In the past, few medical management options were available besides dietary modification, controlling diarrhea or high stomal output, and providing parenteral fluid, electrolyte and nutrient support (parenteral support). Recent research on strategies to enhance the intestinal absorptive capacity focused on glucagon-like peptide-2, an intestinotrophic hormone that has been shown to increase the villus height and crypt depth, and decrease gastric motility and intestinal secretory losses. STEPS is a Phase III randomized double-blinded controlled trial in which teduglutide, a recombinant analog of glucagon-like peptide-2, or placebo was given subcutaneously to SBS patients for 24 weeks. A clinically meaningful response, defined as a 20-100% reduction in parenteral support volume, was achieved in 63% of the treatment group compared with 30% in the placebo group (p = 0.002) without an increase in serious side effects. Teduglutide offers a new targeted approach to SBS-associated intestinal failure management. Its specific role in clinical practice remains to be evaluated.
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Affiliation(s)
- Kishore Vipperla
- Clinical Instructor of Medicine, Division of General Internal Medicine, University of Pittsburgh Medical Center, 200 Lothrop Street, 933W MUH, Pittsburgh, PA 15213, USA
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Dibb M, Teubner A, Theis V, Shaffer J, Lal S. Review article: the management of long-term parenteral nutrition. Aliment Pharmacol Ther 2013; 37:587-603. [PMID: 23331163 DOI: 10.1111/apt.12209] [Citation(s) in RCA: 102] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2012] [Revised: 06/08/2012] [Accepted: 12/21/2012] [Indexed: 12/14/2022]
Abstract
BACKGROUND Home parenteral nutrition (HPN) is currently the management of choice for patients with chronic intestinal failure. AIM To summarise the major issues in delivering long-term parenteral nutrition (>3 months) and assess outcome as per complications, mortality and quality of life. To assess the evidence for the therapeutic use of trophic factors such as teduglutide and to review evolving therapeutic options in the treatment of chronic intestinal failure. METHODS A literature search using PubMed and MEDLINE databases was performed. RESULTS Safe delivery of HPN relies upon individualised formulations of parenteral nutrition administered via carefully maintained central venous catheters by trained patients or carers, supported by a skilled multidisciplinary team. Early diagnosis and treatment of complications including catheter-associated blood stream infection (reported incidence 0.14-0.83 episodes/patient-year on HPN) and central venous thrombosis (reported incidence 0.03 episodes/patient-year) is important to minimise mortality and morbidity. There is a significant variation in the reported incidence of both hepatobiliary complications (19-75%) and advanced liver disease (0-50%). Five-year survival rates in large centres are reported between 60% and 78% with survival primarily related to underlying diagnosis. Long-term survival remains higher on HPN than with intestinal transplantation. The role of intestinal lengthening procedures is yet to be validated in adults. CONCLUSIONS Home parenteral nutrition delivered by skilled nutrition teams has low incidences of catheter-related complications. Most deaths relate to the underlying disease. Therapies such as teduglutide and small bowel transplantation appear promising, but home parenteral nutrition appears likely to remain the bedrock of management in the near term.
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Affiliation(s)
- M Dibb
- Intestinal Failure Unit, Salford Royal Foundation Trust, Salford, UK.
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Abstract
Patients with upper gastrointestinal obstructions were previously managed with gastric decompression and parenteral feeding. The authors present their experience in 50 patients with obstructions chiefly due to complicated severe acute (n = 31) or chronic cystic pancreatitis (n = 11) using a double-lumen nasogastric decompression and jejunal feeding tube system (NGJ) held in place with a nasal bridle that passes through the obstructed gastroduodenal segments, allowing distal jejunal feeding, and at the same time decompresses the stomach to prevent vomiting and aspiration. The tip of the jejunal tube was placed approximately 40 cm down the jejunum to maintain pancreatic rest. Duration of feeding ranged from 1-145 days (median 25 days); 19 patients were discharged home with tube feeds. Only 1 patient could not tolerate feeding and needed to be converted to parenteral feeding. Average tube life was 14 days, with replacement being needed most commonly for kinking or clogging of the jejunal tube (56%) or accidental dislodgement (24%). The obstruction resolved spontaneously in 60%, allowing resumption of normal eating. Of the patients with severe acute pancreatitis or pancreatic pseudocysts, pancreatic rest resulted in resolution of the disease without surgery in 87%, and need for surgery in the remainder was put off for 31-76 days. Seven patients died predominantly of complications of acute pancreatitis between 1 and 31 days. In conclusion, NGJ feeding provides a relatively safe conservative management for critically ill patients with upper gastrointestinal obstructions, reducing the need for surgery and parenteral feeding.
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Affiliation(s)
- Stephen O'Keefe
- Department of Medicine, University of Pittsburgh, Pennsylvania, USA.
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Abstract
Malnutrition is both a cause and consequence of disease. It is imperative that evidence-based approaches to detect and treat malnutrition are embedded into routine practice; these can range from routine malnutrition screening, the safe and appropriate use of enteral feeding and managing more complex patients with intestinal failure. This article outlines service developments over the next 5 years that may enable all hospitals to achieve optimal standards of care for a malnourished patient and examines the role of developments in clinical nutrition over the next 5-10 years.
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Affiliation(s)
- C F Donnellan
- Department of Gastroenterology, St James's University Hospital, Leeds, UK
| | - S Lal
- Intestinal Failure Unit, Salford Royal NHS Foundation Trust, Salford, UK
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12
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Abstract
Extensive resection of the intestine impairs its absorptive capacity and results in short bowel syndrome when the nutritional equilibrium is compromised. The remnant intestine adapts structurally to compensate, but nutritional autonomy cannot be achieved in patients with intestinal failure, requiring intravenous fluids and parenteral nutrition (PN) for sustenance of life. PN is expensive and associated with serious complications. Efforts to minimize or eliminate the need for PN heralded research focusing on the therapeutic utility of intrinsic gut factors involved in the postresection adaptation process. With the breakthrough recognition of the intestinotrophic properties of glucagon-like peptide-2, teduglutide, a recombinant analogue of glucagon-like peptide-2, is being investigated as a promising hope to mitigate the requirement of PN. Clinical studies to date have demonstrated a desirable benefit-to-risk profile in regards to its safety and efficacy. If approved for marketing, it will be the first of its class in short bowel syndrome management, offering an innovative therapeutic modality for this debilitating condition.
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Affiliation(s)
- Kishore Vipperla
- Division of General Internal Medicine, University of Pittsburgh Medical Center, 200 Lothrop Street, 933W MUH, Pittsburgh, PA 15213, USA
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13
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Abstract
The advent of total parenteral nutrition in the late 1960s meant that no situation remained in which a patient could not be fed. Unfortunately, total parenteral nutrition was complicated by serious infective and metabolic side effects that undermined the beneficial effects of nutrient repletion. Consequently, creative ways of restoring upper gut function were designed, based on semielemental diets and novel feeding tube systems. The employment of specific protocols and acceptance of increased gastric residual volumes has allowed most patients in intensive care to be fed safely and early by nasogastric tube. However, nasogastric feeding is unsuitable for patients with severely compromised gastric emptying owing to partial obstruction or ileus. Such patients require postpyloric tube placement with simultaneous gastric decompression via double-lumen nasogastric decompression and jejunal feeding tubes. These tubes can be placed endoscopically 40-60 cm past the ligament of Treitz to enable feeding without pancreatic stimulation. In patients whose disorders last more than 4 weeks, tubes should be repositioned percutaneously, by endoscopic, open or laparoscopic surgery. Together, the advances in enteral access have improved patients' outcomes and led to a 70-90% reduction in the demand for total parenteral nutrition.
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Versleijen MW, Oyen WJ, Roelofs HM, van Emst-de Vries SE, Willems PH, Jansen JB, Wanten GJ. Immune function and leukocyte sequestration under the influence of parenteral lipid emulsions in healthy humans: a placebo-controlled crossover study. Am J Clin Nutr 2008; 87:539-47. [PMID: 18326590 DOI: 10.1093/ajcn/87.3.539] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND It remains unclear whether immune modulation by lipids contributes to the high risk of infectious complications that is associated with the use of parenteral nutrition. Although mixed long- and medium-chain triacylglycerol (LCT-MCT)-containing emulsions, but not pure LCT emulsions, activate neutrophils and impair crucial leukocyte functions in vitro, in vivo studies have failed to corroborate these findings. OBJECTIVES The present investigation was conducted to evaluate the effects of LCT and LCT-MCT on immune function in healthy humans and to assess whether the lack of in vivo effects results from sampling errors due to extravascular sequestration of activated neutrophils. DESIGN Saline, LCT-MCT, and LCT emulsions were administered intravenously for 4.5 h to 12 healthy volunteers in a randomized crossover design. Plasma triacylglycerol concentrations were clamped at a clinically relevant concentration of 3-5 mmol/L. Leukocyte population counts and neutrophil activation were assessed before and after infusion. Leukocyte sequestration was evaluated by monitoring the distribution of Technetium-99m-labeled autologous leukocytes during infusions. RESULTS Whereas LCT exerted no greater effects than did saline, LCT-MCT significantly decreased lymphocyte counts. However, no evidence for neutrophil activation was found with either lipid. Moreover, the clearance of radiolabeled leukocytes from the liver, spleen, and lungs was not altered by any lipid, which suggested that lipid emulsions do not induce leukocyte sequestration. CONCLUSIONS Short-term infusion of LCT-MCT (but not LCT) to healthy humans modulates leukocyte population counts but, in clear contrast with the in vitro situation, does not induce neutrophil activation. These disparate findings cannot be explained by MCT-induced leukocyte sequestration.
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Affiliation(s)
- Michelle W Versleijen
- Department of Gastroenterology and Hepatology, Radboud University Nijmegen Medical Centre, Nijmegen, Netherlands.
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