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Small-bowel capsule endoscopy and device-assisted enteroscopy for diagnosis and treatment of small-bowel disorders: European Society of Gastrointestinal Endoscopy (ESGE) Technical Review.
Rondonotti, E, Spada, C, Adler, S, May, A, Despott, EJ, Koulaouzidis, A, Panter, S, Domagk, D, Fernandez-Urien, I, Rahmi, G, et al
Endoscopy. 2018;(4):423-446
Abstract
SMALL-BOWEL CAPSULE ENDOSCOPY (SBCE): 1: ESGE recommends that prior to SBCE patients ingest a purgative (2 L of polyethylene glycol [PEG]) for better visualization.Strong recommendation, high quality evidence.However, the optimal timing for taking purgatives is yet to be established. 2: ESGE recommends that SBCE should be performed as an outpatient procedure if possible, since completion rates are higher in outpatients than in inpatients.Strong recommendation, moderate quality evidence. 3: ESGE recommends that patients with pacemakers can safely undergo SBCE without special precautions.Strong recommendation, low quality evidence. 4: ESGE suggests that SBCE can also be safely performed in patients with implantable cardioverter defibrillators and left ventricular assist devices.Weak recommendation, low quality evidence. 5: ESGE recommends the acceptance of qualified nurses and trained technicians as prereaders of capsule endoscopy studies as their competency in identifying pathology is similar to that of medically qualified readers. The responsibility of establishing a diagnosis must however remain with the attending physician.Strong recommendation, moderate quality evidence. 6: ESGE recommends observation in cases of asymptomatic capsule retention.Strong recommendation, moderate quality evidence.In cases where capsule retrieval is indicated, ESGE recommends the use of device-assisted enteroscopy as the method of choice.Strong recommendation, moderate quality evidence. DEVICE-ASSISTED ENTEROSCOPY (DAE): 1: ESGE recommends performing diagnostic DAE as a day-case procedure in patients without significant underlying co-morbidities; in patients with co-morbidities and/or those undergoing a therapeutic procedure, an inpatient stay is recommended.Strong recommendation, low quality evidenceThe choice between different settings also depends on sedation protocols.Strong recommendation, low quality evidence. 2: ESGE suggests that conscious sedation, deep sedation, and general anesthesia are all acceptable alternatives: the choice between them should be governed by procedure complexity, clinical factors, and local organizational protocols.Weak recommendation, low quality evidence. 3: ESGE recommends that the findings of previous diagnostic investigations should guide the choice of insertion route.Strong recommendation, moderate quality evidence.If the location of the small-bowel lesion is unknown or uncertain, ESGE recommends that the antegrade route should be generally preferred.Strong recommendation, low quality evidence.In the setting of massive overt bleeding, ESGE recommends an initial antegrade approach.Strong recommendation, low quality evidence. 4: ESGE recommends that, for balloon-assisted enteroscopy (i. e., single-balloon enteroscopy [SBE] and double-balloon enteroscopy [DBE]), small-bowel insertion depth should be estimated by counting net advancement of the enteroscope during the insertion phase, with confirmation of this estimate during withdrawal.Strong recommendation, low quality evidence.ESGE recommends that, for spiral enteroscopy, insertion depth should be estimated during withdrawal.Strong recommendation, moderate quality evidence. Since the calculated insertion depth is only a rough estimate, ESGE recommends placing a tattoo to mark the identified lesion and/or the deepest point of insertion.Strong recommendation, low quality evidence. 5: ESGE recommends that all endoscopic therapeutic procedures can be undertaken at the time of DAE.Strong recommendation, moderate quality evidence.Moreover, when therapeutic interventions are performed, additional specific safety measures are needed to prevent complications.Strong recommendation, high quality evidence.
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Pediatric Intestinal Transplantation.
Celik, N, Mazariegos, GV, Soltys, K, Rudolph, JA, Shi, Y, Bond, GJ, Sindhi, R, Ganoza, A
Gastroenterology clinics of North America. 2018;(2):355-368
Abstract
Pediatric intestinal transplantation has moved from the theoretic to an actual therapy for children with irreversible intestinal failure who are suffering from complications of total parenteral nutrition. Owing to significant advancement in the management of intestinal failure and prevention of parenteral nutrition-related complications that have led to reduction in incidence of parenteral nutrition-associated liver disease and have improved intestinal adaptation, the indications for intestinal transplantation are evolving. Long-term outcomes have improved, but challenges in long-term graft function owing to chronic rejection and immunosuppressant-related complications remain the major opportunities for improvement.
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Systematic Review and Meta-Analysis of the Utilization of Ethanol Locks in Pediatric Patients With Intestinal Failure.
Rahhal, R, Abu-El-Haija, MA, Fei, L, Ebach, D, Orkin, S, Kiscaden, E, Cole, CR
JPEN. Journal of parenteral and enteral nutrition. 2018;(4):690-701
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Abstract
BACKGROUND Intestinal failure is a chronic condition related to loss of bowel length and/or function, resulting in dependence on central venous catheters for fluids and nutrition. Catheter use can be associated with significant complications, including catheter-related bloodstream infections (CRBSIs), which can lead to loss of vascular access, advancing intestinal failure associated-liver disease and death. Our objective was to evaluate the effectiveness and safety of ethanol locks as compared with standard heparin locks in pediatric intestinal failure. METHODS Databases, including MEDLINE and EMBASE, were searched until March 2017. Titles and abstracts were reviewed independently and relevant articles reassessed by full-text review. The main outcome was the rate of CRBSIs, while secondary outcomes were catheter replacement and repair. RESULTS Nine observational studies were included. The mean difference in rate of CRBSIs was 6.27 per 1000 catheter days (95% CI, 4.89-7.66) favoring ethanol locks, with a 63% overall reduction in infection rate. The mean difference in catheter replacement rate (per 1000 catheter days) was 4.56 (95% Cl, 2.68-6.43) favoring ethanol locks. The overall effect on catheter repair rate (per 1000 catheter days) was -1.67 (95% CI, -2.30 to -1.05), indicating lower repair rate with heparin locks. CONCLUSION Sufficient evidence was noted showing that ethanol locks reduced CRBSIs and catheter replacements. Our findings raise questions about the effect of the ethanol lock on catheter integrity based on the noted increase in repair rate. This requires further prospective evaluation and may support selective application of ethanol locks to patients with documented CRBSIs.
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Insights into medical management of pediatric intestinal failure.
Oliveira, SB, Cole, CR
Seminars in pediatric surgery. 2018;(4):256-260
Abstract
Medical management of children with Intestinal failure continues to evolve. The development of specialized teams focused on the management of these children has made the most significant impact in improving outcomes. Medical management strategies are centered on the provision of adequate fluid electrolytes and calories to allow for appropriate growth and neurological development. Enteral therapy and drugs are required to enhance bowel adaptation while parenteral nutrition is the main source of nutrients, electrolytes and fluid. Modification in parenteral nutrition with the availability of lipid alternatives are contributing to decreasing incidence of Intestinal failure associated liver disease. Utilization of patient centered central line care bundles has also significantly contributed to the decrease in morbidity and mortality. This review provides insight into the current medical therapy available for managing intestinal failure in children.
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Skeletal muscle-gut axis: emerging mechanisms of sarcopenia for intestinal and extra intestinal diseases.
de Sire, R, Rizzatti, G, Ingravalle, F, Pizzoferrato, M, Petito, V, Lopetuso, L, Graziani, C, de Sire, A, Mentella, MC, Mele, MC, et al
Minerva gastroenterologica e dietologica. 2018;(4):351-362
Abstract
In recent years, there has been an increasing interest on muscle wasting, considering the reduction of quality of life and the increase of morbidity and mortality associated. Sarcopenia and cachexia represent two conditions of reduction of muscle mass, sharing several elements involved in their pathogenesis, such as systemic inflammation, impaired muscle protein synthesis, increased muscle apoptosis, mitochondrial dysfunction in skeletal muscle tissue and insulin resistance. These features often characterize cancer, inactivity or denervation, but also inflammatory diseases, such as chronic obstructive pulmonary disease, renal failure, cardiac failure, rheumatoid arthritis, inflammatory bowel disease and aging in general. The gastrointestinal tract and gut microbiota are thought to be deeply associated with muscle function and metabolism, although the exact mechanisms that link gut with skeletal muscle are still not well known. This review summarized the potential pathways linking gut with muscle, in particular in conditions as sarcopenia and cachexia. The main emerging pathways implicated in the skeletal muscle-gut axis are: the myostatin/activin signaling pathway, the IGF1/PI3K/AKT/mTOR signaling pathway, which results suppressed, the NF-kB signaling pathway and the FOXO signaling pathway. Further researches in this field are necessary to better explain the linkage between gut microbiota and muscle wasting and the possible emerging therapies associated.
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Applications of wireless capsule endoscopy in pediatric age: an update.
Fornaroli, F, Gaiani, F, Vincenzi, F, Bizzarri, B, Ghiselli, A, Kayali, S, Leandro, G, Di Mario, F, De' Angelis, GL
Acta bio-medica : Atenei Parmensis. 2018;(9-S):40-46
Abstract
The small bowel has often been considered the mysterious "black hole" of the gastrointestinal tract. With regards to this, the development of the wireless capsule endoscopy (WCE) has represented a turning point. It is a non-invasive technique, enabling an excellent visualization of the small bowel (SB) mucosa without the use of radiation. The WCE was approved by the Food and Drug Administration (FDA) in 2001 for adults and in 2004 for children. The aim of the present review is to provide an update on indications, diagnostic yield, safety and limitations of WCE in children. Even though literature regarding the use of WCE in pediatric age is more limited than in adults, WCE is a useful and safe diagnostic tool for the exploration of the small bowel also in children. The indications for WCE are similar at any age, however the main indication in children is Crohn's disease (CD), while in the adults is the research of SB bleeding. The main limitation in pediatric age is the possibility for younger children to swallow the capsule. WCE in pediatric is a rapidly advancing technology and has the potential to further transform the evaluation and management of SB disease.
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[When and how should small-bowel capsule endoscopy be used in children?].
Viala, J, Michaud, L, Bellaiche, M, Lachaux, A
Archives de pediatrie : organe officiel de la Societe francaise de pediatrie. 2017;(4):391-398
Abstract
Small-bowel capsule endoscopy (CE) has recently been used in children. During the past few years, an intense research activity has defined the advantages and limitations of CE. Its uses have been established in several small-bowel pathologies such as obvious or obscure digestive bleeding, Crohn disease, and hereditary polyposis. Although the absence of biopsy reduces the specificity of CE findings, small-bowel exploration using CE achieves better accuracy in detecting lesions than most radiological examinations. In children, swallowing problems and the risk of retention due to stenosis are the main concerns when using CE: these problems can be solved using endoscopic delivery of the capsule and luminal diameter calibration, respectively. This review focuses on the evidence making CE indispensable to small-bowel exploration.
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Home Parenteral Nutrition in Adult Patients With Chronic Intestinal Failure: The Evolution Over 4 Decades in a Tertiary Referral Center.
Brandt, CF, Hvistendahl, M, Naimi, RM, Tribler, S, Staun, M, Brøbech, P, Jeppesen, PB
JPEN. Journal of parenteral and enteral nutrition. 2017;(7):1178-1187
Abstract
BACKGROUND/AIMS: In Denmark, the public healthcare system ensures patients with intestinal failure (IF) the same rights for a life-saving treatment as patients with other organ failures. This study reports the epidemiological data from the largest Danish IF center. As one of the pioneering centers in treating IF with home parenteral nutrition (HPN), this study documents the HPN evolution and describes the demographics and outcome in one of the world's largest single-center cohorts. METHODS We included patients with IF discharged with HPN from 1970-2010. Data were extracted according to European Society for Clinical Nutrition and Metabolism classifications from the Copenhagen IF database. RESULTS Over the decades, we observed an exponential increase in the number of HPN patients. The 508 patients with IF collectively received HPN for 1751 years. While receiving HPN, 211 patients with IF (42%) died. Only 24 deaths were HPN related: sepsis (n = 10), liver disease (n = 12), central venous thrombosis (n = 1), and a complicated catheter placement (n = 1). The HPN-related mortality was as low as 0.014 deaths/HPN year. In the first decade, HPN was mainly provided to younger, intestinally resected adult patients with IF with inflammatory bowel disease (IBD), but numerically, they were subsequently outnumbered by elderly patients with IF with cancer or complications from non-IBD, noncancer abdominal surgery. Despite these demographic changes, the HPN-related mortality has decreased in the past decade. CONCLUSION Evolving from being a rare, experimental treatment in the 1970s, HPN at present is safe with a low treatment-related mortality in the experienced center, despite HPN being more widely used in a more elderly population.
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Severe enteropathy with villous atrophy in prolonged mefenamic acid users - a currently under-recognized in previously well-recognized complication: Case report and review of literature.
Kaosombatwattana, U, Limsrivilai, J, Pongpaibul, A, Maneerattanaporn, M, Charatcharoenwitthaya, P
Medicine. 2017;(44):e8445
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Abstract
RATIONALE Mefenamic acid-induced enteropathy may be an under-recognized condition because few reported cases and no review of literature to comprehensively describe all reported cases exist. From inception until February 2017, a systematic literature search identified twenty original reports of cases of mefenamic acid-induced enteropathy. Additional five cases were identified at our hospital. All cases were included in the analyses. PATIENT CONCERNS Most patients had been regularly taking therapeutic dosages of mefenamic acid for at least three months before symptoms developed. All patients presented with chronic diarrhea with significant weight loss. Approximately one-third of the cases had some degree of anemia and hypoalbuminemia. DIAGNOSES Endoscopic findings could range from very mild abnormalities, such as mild atrophic mucosa, to marked abnormalities, such as blunted villi with scalloping appearance in the small intestine and inflamed mucosa with a few superficial ulcers in the ileum and colon. Pathological findings included flattened small intestinal villi and mixed inflammatory infiltrates including eosinophils in lamina propria. INTERVENTION After identifying history of prolong mefenamic acid exposure, all patients were prescribed to stop this medication. Nutritional support and substitutional treatment for mefenamic acid were provided as well. OUTCOMES All symptoms responded dramatically to drug withdrawal. Some patients could change to use other nonsteroidal anti-inflammatory drugs (NSAIDs) without symptoms reoccurring. LESSONS Unlike other traditional NSAIDs, mefenamic acid could induce intestinal villous atrophy. An adequate drug history is crucial to identifying the condition. Protracted diarrhea occurring during treatment should be the indication to cease the medicine promptly.
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Intestinal Transplant in Children.
Rawal, N, Yazigi, N
Pediatric clinics of North America. 2017;(3):613-619
Abstract
The past decade has seen major advances in the field of transplantation; it is the treatment of choice for many with intestinal failure. One-year mortality from pediatric intestinal transplantation has significantly declined, from 30% to 10% to 15% nationally, mainly due to a multidisciplinary approach in transplant centers. Pediatric age carries special considerations along the spectrum of care that continue to cause challenges but also offers growth opportunities. Pediatric intestinal transplantation indications and timing are changing as a result of new developments in diagnostic and treatment tools. This article reviews updates on pediatric intestinal transplantation and highlights future directions.