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Haseeb-Ul-Rasool M, Elhawary A, Saha U, Sethi A, Swaminathan G, Abosheaishaa H. Resolution of severe gastroparesis induced by parasympathetic surge following facial trauma: a case report. J Med Case Rep 2024; 18:248. [PMID: 38750592 PMCID: PMC11097562 DOI: 10.1186/s13256-024-04558-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 04/22/2024] [Indexed: 05/18/2024] Open
Abstract
BACKGROUND Gastroparesis is a condition that affects the motility of the gastrointestinal (GI) tract, causing a delay in the emptying process and leading to nausea, vomiting, bloating, and upper abdominal pain. Motility treatment along with symptom management can be done using antiemetics or prokinetics. This study highlights the diagnostic and therapeutic challenges of gastroparesis and suggests a potential link between facial trauma and symptom remission, indicating the need for further investigation. CASE PRESENTATION A 46-year-old Hispanic man with hypertension, type 2 diabetes (T2D), and hyperlipidemia on amlodipine 10 mg, lisinopril 5 mg, empagliflozin 25 mg, and insulin glargine presented with a diabetic foot ulcer with probable osteomyelitis. During hospitalization, the patient developed severe nausea and vomiting. The gastroenterology team advised continuing antiemetic medicine and trying very small sips of clear liquids. However, the patient didn't improve. Therefore, the gastroenterology team was contacted again. They advised having stomach emptying tests to rule out gastroparesis as the source of emesis. In addition, they recommended continuing metoclopramide, and starting erythromycin due to inadequate improvement. Studies found a 748-min stomach emptying time. Normal is 45-90 min. An uneventful upper GI scope was done. Severe gastroparesis was verified, and the gastroenterology team advised a percutaneous jejunostomy or gastric pacemaker for gastroparesis. Unfortunately, the patient suffered a mechanical fall resulting in facial trauma. After the fall, the patient's nausea eased, and emesis stopped. He passed an oral liquids trial after discontinuation of erythromycin and metoclopramide. CONCLUSION This case exemplifies the difficulties in diagnosing and treating gastroparesis. An interesting correlation between parasympathetic surges and recovery in gastroparesis may be suggested by the surprising remission of symptoms following face injuries.
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Affiliation(s)
| | - Ahmed Elhawary
- Icahn School of Medicine at Mount Sinai, NYC Health+Hospitals Queens, New York, USA
| | - Utsow Saha
- Icahn School of Medicine at Mount Sinai, NYC Health+Hospitals Queens, New York, USA
| | - Arshia Sethi
- Icahn School of Medicine at Mount Sinai, NYC Health+Hospitals Queens, New York, USA
| | - Gowri Swaminathan
- Icahn School of Medicine at Mount Sinai, NYC Health+Hospitals Queens, New York, USA
| | - Hazem Abosheaishaa
- Icahn School of Medicine at Mount Sinai, NYC Health+Hospitals Queens, New York, USA.
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2
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Sanger GJ, Andrews PLR. Review article: An analysis of the pharmacological rationale for selecting drugs to inhibit vomiting or increase gastric emptying during treatment of gastroparesis. Aliment Pharmacol Ther 2023; 57:962-978. [PMID: 36919196 DOI: 10.1111/apt.17466] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 02/28/2023] [Accepted: 03/01/2023] [Indexed: 03/16/2023]
Abstract
BACKGROUND Drugs which can inhibit nausea/vomiting and/or increase gastric emptying are used to treat gastroparesis, mostly 'off-label'. Within each category, they act at different targets and modulate different physiological mechanisms. AIMS Address the questions: In gastroparesis, why should blocking one pathway causing vomiting, be more appropriate than another? Why might increasing gastric emptying via one mechanism be more appropriate than another? METHODS Drugs used clinically were identified via consensus opinions and reviews, excluding the poorly characterised. Their pharmacology was defined, mapped to mechanisms influencing vomiting and gastric emptying, and rationale developed for therapeutic use. RESULTS Vomiting: Rationale for 5-HT3 , D2 , H1 or muscarinic antagonists, and mirtazapine, amitriptyline, nortriptyline, are poor. Arguments for inhibiting central consequences of vagal afferent transmission by NK1 antagonism are complicated by doubts over effects on nausea. Gastric emptying: Confusion emerges because of side-effects of drugs increasing gastric emptying: Metoclopramide (5-HT4 agonist, D2 and 5-HT3 antagonist; also blocks some emetic stimuli and causes tardive dyskinesia) and Erythromycin (high-efficacy motilin agonist, requiring low doses to minimise side-effects). Limited trials with selective 5-HT4 agonists indicate variable efficacy. CONCLUSIONS Several drug classes inhibiting vomiting have no scientific rationale. NK1 antagonism has rationale but complicated by limited efficacy against nausea. Studies must resolve variable efficacy of selective 5-HT4 agonists and apparent superiority over motilin agonists. Overall, lack of robust activity indicates a need for novel approaches targeting nausea (e.g., modulating gastric pacemaker or vagal activity, use of receptor agonists or new targets such as GDF15) and objective assessments of nausea.
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Affiliation(s)
- Gareth J Sanger
- Faculty of Medicine and Dentistry, Blizard Institute, Queen Mary University of London, London, UK
| | - Paul L R Andrews
- Division of Biomedical Sciences, St George's University of London, London, UK
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3
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Gastroparesis in pregnancy. Am J Obstet Gynecol 2022; 228:382-394. [PMID: 36088986 DOI: 10.1016/j.ajog.2022.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 08/21/2022] [Accepted: 09/05/2022] [Indexed: 01/30/2023]
Abstract
Gastroparesis is a functional gastrointestinal disorder that more commonly affects women, with most cases being diagnosed during childbearing age. However, there is a paucity of data and guidelines to specifically highlight the epidemiology, disease course, maternal and fetal impact, and the management of existing gastroparesis during pregnancy. Apart from metoclopramide, there is no approved therapy specifically indicated for gastroparesis. More importantly, pregnant and breastfeeding women are excluded from clinical trials evaluating pharmacologic agents in the management of gastroparesis. This poses a real challenge to healthcare providers in counseling and managing patients with gastroparesis. In this systematic review, we summarize the current available literature and the knowledge gaps in the impact of pregnancy on gastroparesis and vice versa. We also highlight the efficacy and safety profiles of available pharmacologic and nonpharmacologic therapies in the management of patients with gastroparesis, with emphasis on judicious use of dietary approaches that are deemed relatively safe during pregnancy.
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4
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Hurtte E, Rogers BD, Richards C, Gyawali CP. The clinical value of psycho-gastroenterological interventions for functional esophageal symptoms. Neurogastroenterol Motil 2022; 34:e14315. [PMID: 34994058 DOI: 10.1111/nmo.14315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 12/09/2021] [Accepted: 12/21/2021] [Indexed: 12/10/2022]
Abstract
BACKGROUND Disorders of gut-brain interaction (DGBI) are associated with high symptom burden and poor quality of life. We evaluated the clinical value of multimodal therapy with psycho-gastroenterological interventions in patients with refractory functional symptoms. METHODS Of 80 DGBI patients managed over a 12-month period, 26 patients undergoing multimodal therapy (median age 60.0 years, 73.1%F) were compared to 54 patients (median age 56.0 years, 68.5%F) managed using conventional approaches. Psycho-gastroenterological multimodal therapy was individualized and included relaxation training (diaphragmatic breathing, passive muscle relaxation) and gut-direct hypnotherapy/guided imagery. All patients completed documentation of symptom frequency and severity using a 100 mm visual analog scale (VAS) and assessment of health-related quality of life (BEST score) before and following therapy. Data were analyzed to determine comparative change in symptom burden between the two cohorts. KEY RESULTS Baseline demographics and symptom burden were similar between the two treatment subgroups. While patients improved with both multimodal and conventional therapies, BEST score demonstrated greater improvement with multimodal therapy (p = 0.03). Physician perception of symptom burden at baseline and on follow-up did not correspond to self-reported questionnaire data. On multivariable analysis, multimodal therapy (OR 7.9, 95% CI 1.8-34.6, p = 0.006) and functional esophageal disorders (OR 17.6, 95% CI 2.6-121.1, p = 0.004) predicted >50% improvement in BEST score, while the presence of psychiatric disease was a negative predictor (OR 0.22, CI 0.05-0.94, p = 0.04). CONCLUSIONS & INFERENCES Psychological intervention using multimodal therapy provides clinical value to the management of functional esophageal symptoms among patients refractory to conventional therapy.
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Affiliation(s)
- Edward Hurtte
- Division of Gastroenterology, Washington University School of Medicine, St Louis, Missouri, USA
| | - Benjamin D Rogers
- Division of Gastroenterology, Washington University School of Medicine, St Louis, Missouri, USA.,Division of Gastroenterology, Hepatology, and Nutrition, University of Louisville School of Medicine, Louisville, Kentucky, USA
| | - Cheryl Richards
- Division of Gastroenterology, Washington University School of Medicine, St Louis, Missouri, USA
| | - C Prakash Gyawali
- Division of Gastroenterology, Washington University School of Medicine, St Louis, Missouri, USA
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5
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Fonseca Mora MC, Milla Matute CA, Alemán R, Castillo M, Giambartolomei G, Schneider A, Szomstein S, Lo Menzo E, Rosenthal RJ. Medical and surgical management of gastroparesis: a systematic review. Surg Obes Relat Dis 2020; 17:799-814. [PMID: 33722476 DOI: 10.1016/j.soard.2020.10.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 10/23/2020] [Accepted: 10/26/2020] [Indexed: 01/04/2023]
Abstract
BACKGROUND Gastroparesis (GPS) is a rare disease with multiple etiologies that results in delayed gastric emptying. Diagnosis of GPS can be challenging due to its rather complex clinical presentation. Pharmacologic refractory cases require surgical interventions, all of which have yet to be standardized and characterized. OBJECTIVES We present a review of the literature and provide an update of current therapies for patients with GPS. SETTING Department of General Surgery, Academic Hospital, United States. METHODS We conducted a comprehensive search in PubMed, Google Scholar, and Embase of English-written articles published in the last 38 years, with an advance title search of "gastroparesis management." Other keywords included: "surgical management" and "refractory gastroparesis." Further references were obtained through cross-reference. RESULTS A total of 12,250 articles were selected after eliminating duplicates. Following thorough screening of selection criteria, 68 full-text articles were included for review. CONCLUSION GPS is a challenging disease to manage. Nutritional support must remain the primary approach, followed by either medical or surgical treatment modalities if necessary. In patients with refractory gastroparesis, adjunctive therapies have been proposed as promising long-term options.
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Affiliation(s)
- Maria C Fonseca Mora
- The Department of General Surgery and The Bariatric and Metabolic Institute at Cleveland Clinic, Weston, Florida
| | - Cristian A Milla Matute
- The Department of General Surgery and The Bariatric and Metabolic Institute at Cleveland Clinic, Weston, Florida
| | - Rene Alemán
- The Department of General Surgery and The Bariatric and Metabolic Institute at Cleveland Clinic, Weston, Florida
| | - Marco Castillo
- The Department of General Surgery and The Bariatric and Metabolic Institute at Cleveland Clinic, Weston, Florida
| | - Giulio Giambartolomei
- The Department of General Surgery and The Bariatric and Metabolic Institute at Cleveland Clinic, Weston, Florida
| | - Alison Schneider
- The Department of General Surgery and The Bariatric and Metabolic Institute at Cleveland Clinic, Weston, Florida
| | - Samuel Szomstein
- The Department of General Surgery and The Bariatric and Metabolic Institute at Cleveland Clinic, Weston, Florida
| | - Emanuele Lo Menzo
- The Department of General Surgery and The Bariatric and Metabolic Institute at Cleveland Clinic, Weston, Florida
| | - Raul J Rosenthal
- The Department of General Surgery and The Bariatric and Metabolic Institute at Cleveland Clinic, Weston, Florida.
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6
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Affiliation(s)
- Clipper F. Young
- Primary Care Department, Touro University California College of Osteopathic Medicine, Vallejo, CA
| | - Marianne Moussa
- Graduate, Touro University California College of Pharmacy, Vallejo, CA
| | - Jay H. Shubrook
- Primary Care Department, Touro University California College of Osteopathic Medicine, Vallejo, CA
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7
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Robles A, Romero YA, Tatro E, Quezada H, McCallum RW. Outcomes of Treating Rumination Syndrome with a Tricyclic Antidepressant and Diaphragmatic Breathing. Am J Med Sci 2020; 360:42-49. [DOI: 10.1016/j.amjms.2020.04.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 02/27/2020] [Accepted: 04/01/2020] [Indexed: 12/18/2022]
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8
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Abstract
Gastroparesis is characterized by delayed gastric emptying, with symptoms such as nausea, vomiting and abdominal pain, in the absence of mechanical obstruction. In most cases, it is idiopathic although diabetes mellitus is another leading cause. The physiology of gastric emptying is a complex process which is influenced by various inputs including the central nervous system, enteric nervous system and gut hormones. Developments in our understanding of gastroparesis have now demonstrated dysfunction in these systems, thus disrupting normal gastric emptying. Once mechanical obstruction is excluded, gastric scintigraphy remains the gold standard for diagnosis although wireless motility capsule and breath testing are alternative methods for diagnosis. Treatment for gastroparesis is challenging, and widely available therapies are often limited either by their poor evidence for efficacy or concerns over their long-term safety profile. Novel prokinetic agents have shown initial promise in clinical trials, and new endoscopic techniques such as gastric per-oral endoscopic myotomy are emerging. These new treatment modalities may provide an option in refractory gastroparesis with the adage of reduced morbidity compared to surgical treatments.
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Affiliation(s)
- A Sullivan
- Homerton University Hospital, London, UK
| | | | - A Ruban
- Department of Surgery and Cancer, Imperial College, London, UK.
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9
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Status of Brain Imaging in Gastroparesis. GASTROINTESTINAL DISORDERS 2020. [DOI: 10.3390/gidisord2020006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The pathophysiology of nausea and vomiting in gastroparesis is complicated and multifaceted involving the collaboration of both the peripheral and central nervous systems. Most treatment strategies and studies performed in gastroparesis have focused largely on the peripheral effects of this disease, while our understanding of the central nervous system mechanisms of nausea in this entity is still evolving. The ability to view the brain with different neuroimaging techniques has enabled significant advances in our understanding of the central emetic reflex response. However, not enough studies have been performed to further explore the brain–gut mechanisms involved in nausea and vomiting in patients with gastroparesis. The purpose of this review article is to assess the current status of brain imaging and summarize the theories about our present understanding on the central mechanisms involved in nausea and vomiting (N/V) in patients with gastroparesis. Gaining a better understanding of the complex brain circuits involved in the pathogenesis of gastroparesis will allow for the development of better antiemetic prophylactic and treatment strategies.
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10
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Herlihy JD, Reddy S, Shanker A, McCallum R. Cyclic vomiting syndrome: an overview for clinicians. Expert Rev Gastroenterol Hepatol 2019; 13:1137-1143. [PMID: 31702939 DOI: 10.1080/17474124.2019.1691527] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Introduction: Cyclic vomiting syndrome (CVS) is an under recognized entity causing significant impact on patient's lifestyle. CVS is characterized by recurrent episodes of abdominal pain, nausea, and vomiting leading to many emergency department presentations prior to diagnosis. Patients often have lengthy delays in starting appropriate therapy leading to significant physical and financial hardship. Most cases of cyclic vomiting syndrome are reversible by managing risk factors and starting on appropriate treatment.Areas covered: This review covers the diagnostic criteria, pathophysiology, risk factors, and treatment for CVS and provides a valuable resource for clinicians to review and help with managing this challenging syndrome. The latest literature regarding the diagnosis and management of CVS is summarized.Expert Opinion: The direction for future research in CVS and insights to managing CVS are summarized. The role of pain that can be frequently controlled by tricyclic antidepressants and lorazepam suggests a central nervous system (CNS) origin. A standardized treatment regimen for CVS must be implemented as patients do respond to current therapies but there is often a significant delay in initiation of treatment. Reviewed recent data looking at MRI brain changes in patients with CVS that may lead to a better understanding of the pathophysiology of this disease.
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Affiliation(s)
- J Daniel Herlihy
- Department of Gastroenterology, Texas Tech El Paso University Medical Center, El Paso, TX, USA
| | - Sumana Reddy
- El Paso Medical School, Texas Tech University Health Sciences Center, El Paso, TX, USA
| | - Aaron Shanker
- Department of Internal Medicine, Texas Tech El Paso University Medical Center, El Paso, TX, USA
| | - Richard McCallum
- Department of Gastroenterology, Texas Tech El Paso University Medical Center, El Paso, TX, USA
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11
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Meldgaard T, Keller J, Olesen AE, Olesen SS, Krogh K, Borre M, Farmer A, Brock B, Brock C, Drewes AM. Pathophysiology and management of diabetic gastroenteropathy. Therap Adv Gastroenterol 2019; 12:1756284819852047. [PMID: 31244895 PMCID: PMC6580709 DOI: 10.1177/1756284819852047] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 04/26/2019] [Indexed: 02/04/2023] Open
Abstract
Polyneuropathy is a common complication to diabetes. Neuropathies within the enteric nervous system are associated with gastroenteropathy and marked symptoms that severely reduce quality of life. Symptoms are pleomorphic but include nausea, vomiting, dysphagia, dyspepsia, pain, bloating, diarrhoea, constipation and faecal incontinence. The aims of this review are fourfold. First, to provide a summary of the pathophysiology underlying diabetic gastroenteropathy. Secondly to give an overview of the diagnostic methods. Thirdly, to provide clinicians with a focussed overview of current and future methods for pharmacological and nonpharmacological treatment modalities. Pharmacological management is categorised according to symptoms arising from the upper or lower gut as well as sensory dysfunctions. Dietary management is central to improvement of symptoms and is discussed in detail, and neuromodulatory treatment modalities and other emerging management strategies for diabetic gastroenteropathy are discussed. Finally, we propose a diagnostic/investigation algorithm that can be used to support multidisciplinary management.
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Affiliation(s)
| | - Jutta Keller
- Israelitic Hospital in Hamburg, Academic
Hospital University of Hamburg, Germany
| | - Anne Estrup Olesen
- Mech-Sense, Department of Gastroenterology and
Hepatology and Department of Clinical Medicine, Aalborg University Hospital,
Denmark,Department of Clinical Medicine, Aalborg
University, Denmark
| | - Søren Schou Olesen
- Mech-Sense, Department of Gastroenterology and
Hepatology and Department of Clinical Medicine, Aalborg University Hospital,
Denmark,Department of Clinical Medicine, Aalborg
University, Denmark
| | - Klaus Krogh
- Department of Hepatology and Gastroenterology,
Aarhus University Hospital, Denmark
| | - Mette Borre
- Department of Hepatology and Gastroenterology,
Aarhus University Hospital, Denmark
| | - Adam Farmer
- Department of Gastroenterology, University
Hospitals of North Midlands, Stoke on Trent, Staffordshire, UK,Centre for Digestive Diseases, Blizard
Institute of Cell and Molecular Science, Wingate Institute of
Neurogastroenterology, Barts and the London School of Medicine and
Dentistry, Queen Mary University of London, UK
| | - Birgitte Brock
- Department of Clinical Research, Steno Diabetes
Center Copenhagen (SDCC), Denmark
| | - Christina Brock
- Mech-Sense, Department of Gastroenterology and
Hepatology and Department of Clinical Medicine, Aalborg University Hospital,
Denmark,Department of Clinical Medicine, Aalborg
University, Denmark
| | - Asbjørn Mohr Drewes
- Mech-Sense, Department of Gastroenterology and
Hepatology and Department of Clinical Medicine, Aalborg University Hospital,
Denmark,Department of Clinical Medicine, Aalborg
University, Denmark
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12
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Abstract
Gastroparesis is an increasing concern and options remain limited. Diagnosis hinges on recognition of delayed gastric emptying in the absence of mechanical obstruction. Nontransit studies evaluating gastric motility serve a complementary role and may help guide therapy. Treatment consists of a combination of lifestyle and dietary medication, medications (antiemetics, prokinetics, neuromodulators, and accommodation-enhancers), alternative and complementary therapy, endoscopic therapy (pyloric-directed therapy, temporary stimulation, jejunostomy, or venting gastrostomy) and surgical therapy (pyloroplasty, gastric electrical stimulation, gastrectomy). Treatment can be tailored to the individual needs and symptoms of the affected patient.
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Affiliation(s)
- Frances U Onyimba
- Department of Medicine, Division of Gastroenterology, University of California San Diego, 9500 Gillman Drive, #0956, La Jolla, CA 92093, USA
| | - John O Clarke
- Department of Medicine, Division of Gastroenterology and Hepatology, Stanford University, 300 Pasteur Drive, MC 5244, Stanford, CA 94305, USA.
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13
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Sanger GJ, Andrews PLR. A History of Drug Discovery for Treatment of Nausea and Vomiting and the Implications for Future Research. Front Pharmacol 2018; 9:913. [PMID: 30233361 PMCID: PMC6131675 DOI: 10.3389/fphar.2018.00913] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 07/25/2018] [Indexed: 12/24/2022] Open
Abstract
The origins of the major classes of current anti-emetics are examined. Serendipity is a recurrent theme in discovery of their anti-emetic properties and repurposing from one indication to another is a continuing trend. Notably, the discoveries have occurred against a background of company mergers and changing anti-emetic requirements. Major drug classes include: (i) Muscarinic receptor antagonists-originated from historical accounts of plant extracts containing atropine and hyoscine with development stimulated by the need to prevent sea-sickness among soldiers during beach landings; (ii) Histamine receptor antagonists-searching for replacements for the anti-malaria drug quinine, in short supply because of wartime shipping blockade, facilitated the discovery of histamine (H1) antagonists (e.g., dimenhydrinate), followed by serendipitous discovery of anti-emetic activity against motion sickness in a patient undergoing treatment for urticaria; (iii) Phenothiazines and dopamine receptor antagonists-investigations of their pharmacology as "sedatives" (e.g., chlorpromazine) implicated dopamine receptors in emesis, leading to development of selective dopamine (D2) receptor antagonists (e.g., domperidone with poor ability to penetrate the blood-brain barrier) as anti-emetics in chemotherapy and surgery; (iv) Metoclopramide and selective 5-hydroxytryptamine3(5-HT3) receptor antagonists-metoclopramide was initially assumed to act only via D2 receptor antagonism but subsequently its gastric motility stimulant effect (proposed to contribute to the anti-emetic action) was shown to be due to 5-hydroxytryptamine4 receptor agonism. Pre-clinical studies showed that anti-emetic efficacy against the newly-introduced, highly emetic, chemotherapeutic agent cisplatin was due to antagonism at 5-HT3 receptors. The latter led to identification of selective 5-HT3 receptor antagonists (e.g., granisetron), a major breakthrough in treatment of chemotherapy-induced emesis; (v) Neurokinin1receptor antagonists-antagonists of the actions of substance P were developed as analgesics but pre-clinical studies identified broad-spectrum anti-emetic effects; clinical studies showed particular efficacy in the delayed phase of chemotherapy-induced emesis. Finally, the repurposing of different drugs for treatment of nausea and vomiting is examined, particularly during palliative care, and also the challenges in identifying novel anti-emetic drugs, particularly for treatment of nausea as compared to vomiting. We consider the lessons from the past for the future and ask why there has not been a major breakthrough in the last 20 years.
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Affiliation(s)
- Gareth J. Sanger
- Blizard Institute and the National Centre for Bowel Research, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Paul L. R. Andrews
- Division of Biomedical Sciences, St George's University of London, London, United Kingdom
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14
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Liu N, Abell T. Gastroparesis Updates on Pathogenesis and Management. Gut Liver 2018; 11:579-589. [PMID: 28535580 PMCID: PMC5593319 DOI: 10.5009/gnl16336] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Accepted: 09/09/2017] [Indexed: 12/11/2022] Open
Abstract
Gastroparesis (Gp) is a chronic disease that presents with clinical symptoms of early satiety, bloating, nausea, vomiting, and abdominal pain. Along with these symptoms, an objective finding of delayed gastric emptying, along with a documented absence of gastric outlet obstruction, are required for diagnosis. This article focuses on updates in the pathogenesis and management of Gp. Recent studies on full thickness biopsies of Gp patients have shed light on the complex interactions of the central, autonomic, and enteric nervous systems, which all play key roles in maintaining normal gut motility. The management of Gp has evolved beyond prokinetics and antiemetics with the use of gastric electrical stimulators (GES). In addition, this review aims to introduce the concept of gastroparesis-like syndrome (GLS). GLS helps groups of patients who have the cardinal symptoms of Gp but have a normal or rapid emptying test. Recent tests have shown that patients with Gp and GLS have similar pathophysiology, benefit greatly from GES placement, and likely should be treated in a similar manner.
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Affiliation(s)
- Nanlong Liu
- Division of Gastroenterology, Hepatology, and Nutrition, University of Louisville, Louisville, KY, USA
| | - Thomas Abell
- Division of Gastroenterology, Hepatology, and Nutrition, University of Louisville, Louisville, KY, USA
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15
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Lacy BE, Parkman HP, Camilleri M. Chronic nausea and vomiting: evaluation and treatment. Am J Gastroenterol 2018; 113:647-659. [PMID: 29545633 DOI: 10.1038/s41395-018-0039-2] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Accepted: 02/05/2018] [Indexed: 12/11/2022]
Abstract
Nausea is an uneasy feeling in the stomach while vomiting refers to the forceful expulsion of gastric contents. Chronic nausea and vomiting represent a diverse array of disorders defined by 4 weeks or more of symptoms. Chronic nausea and vomiting result from a variety of pathophysiological processes, involving gastrointestinal and non-gastrointestinal causes. The prevalence of chronic nausea and vomiting is unclear, although the epidemiology of specific conditions, such as gastroparesis and cyclic vomiting syndrome, is better understood. The economic impact of chronic nausea and vomiting and effects on quality of life are substantial. The initial diagnostic evaluation involves distinguishing gastrointestinal causes of chronic nausea and vomiting (e.g., gastroparesis, cyclic vomiting syndrome) from non-gastrointestinal causes (e.g., medications, vestibular, and neurologic disorders). After excluding anatomic, mechanical and biochemical causes of chronic nausea and vomiting, gastrointestinal causes can be grouped into two broad categories based on the finding of delayed, or normal, gastric emptying. Non-gastrointestinal disorders can also cause chronic nausea and vomiting. As a validated treatment algorithm for chronic nausea and vomiting does not exist, treatment should be based on a thoughtful discussion of benefits, side effects, and costs. The objective of this monograph is to review the evaluation and treatment of patients with chronic nausea and vomiting, emphasizing common gastrointestinal causes.
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Affiliation(s)
- Brian E Lacy
- Mayo Clinic, Jacksonville, FL, USA. Temple University, Philadelphia, PA, USA. Mayo Clinic, Rochester, MN, USA
| | - Henry P Parkman
- Mayo Clinic, Jacksonville, FL, USA. Temple University, Philadelphia, PA, USA. Mayo Clinic, Rochester, MN, USA
| | - Michael Camilleri
- Mayo Clinic, Jacksonville, FL, USA. Temple University, Philadelphia, PA, USA. Mayo Clinic, Rochester, MN, USA
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16
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Kaosombatwattana U, Pongprasobchai S, Limsrivilai J, Maneerattanaporn M, Leelakusolvong S, Tanwandee T. Efficacy and safety of nortriptyline in functional dyspepsia in Asians: A randomized double-blind placebo-controlled trial. J Gastroenterol Hepatol 2018; 33:411-417. [PMID: 28768370 DOI: 10.1111/jgh.13914] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 07/22/2017] [Accepted: 07/28/2017] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIM Current treatments of functional dyspepsia (FD) are unsatisfied. Tricyclic antidepressants alter visceral hypersensitivity and brain-gut interaction. We assessed the efficacy and safety of nortriptyline in patients with FD. METHODS Patients diagnosed with FD according to Rome III criteria who failed to respond to proton pump inhibitor and prokinetic treatment were randomly assigned to either once daily 10-mg nortriptyline or placebo. The primary endpoint was the rate of responders defined as > 50% reduction in dyspepsia symptom score after 8 weeks of treatment. The secondary endpoints were improvement in quality of life as assessed by 36-Item Short Form Health Survey score and safety. RESULTS Sixty-one patients (nortriptyline 28 and placebo 33) were enrolled. Dyspepsia symptom score and duration of symptoms were balanced at entry between both groups. Eight and seven patients in nortriptyline and placebo groups were lost to follow up. Seven patients withdrew due to mild adverse events (nortriptyline 1 and placebo 6). Overall, 19 with nortriptyline and 20 with placebo completed the study. Patients receiving nortriptyline did not achieve higher response rate than those in placebo in both intention-to-treat (53.6% vs 57.6%, P = 0.75) and per-protocol (76.5% vs 73.7%, P = 1.00) analyses. Nortriptyline did not provide improvement in quality of life. The mean difference was 3.8 (P = 0.36) and 0.88 (P = 0.86) by intention-to-treat and 2.9 (P = 0.57) and 3.5 (P = 0.57) by per-protocol analyses in physical and mental component, respectively. All adverse events were minor and similar in both groups. CONCLUSION Nortriptyline was not superior to placebo in management of patients with FD.
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Affiliation(s)
- Uayporn Kaosombatwattana
- Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Supot Pongprasobchai
- Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Julajak Limsrivilai
- Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Monthira Maneerattanaporn
- Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Somchai Leelakusolvong
- Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Tawesak Tanwandee
- Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Meldgaard T, Olesen SS, Farmer AD, Krogh K, Wendel AA, Brock B, Drewes AM, Brock C. Diabetic Enteropathy: From Molecule to Mechanism-Based Treatment. J Diabetes Res 2018; 2018:3827301. [PMID: 30306092 PMCID: PMC6165592 DOI: 10.1155/2018/3827301] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 08/13/2018] [Indexed: 12/19/2022] Open
Abstract
The incidence of the micro- and macrovascular complications of diabetes is rising, mirroring the increase in the worldwide prevalence. Arguably, the most common microvascular complication is neuropathy, leading to deleterious changes in both the structure and function of neurons. Amongst the various neuropathies with the highest symptom burden are those associated with alterations in the enteric nervous system, referred to as diabetic enteropathy. The primary aim of this review is to provide a contemporaneous summary of pathophysiology of diabetic enteropathy thereby allowing a "molecule to mechanism" approach to treatment, which will include 4 distinct aspects. Firstly, the aim is to provide an overview of the diabetes-induced structural remodelling, biochemical dysfunction, immune-mediated alterations, and inflammatory properties of the enteric nervous system and associated structures. Secondly, the aim is to provide a synopsis of the clinical relevance of diabetic enteropathy. Thirdly, the aim is to discuss the various patient-reported outcome measures and the objective modalities for evaluating dysmotility, and finally, the aim is to outline the clinical management and different treatment options that are available. Given the burden of disease that diabetic enteropathy causes, earlier recognition is needed allowing prompt investigation and intervention, which may lead to improvements in quality of life for sufferers.
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Affiliation(s)
- Theresa Meldgaard
- Mech-Sense, Department of Clinical Medicine, Aalborg University, Department of Gastroenterology & Hepatology, Aalborg University Hospital, Mølleparkvej 4, 9000 Aalborg, Denmark
| | - Søren Schou Olesen
- Mech-Sense, Department of Clinical Medicine, Aalborg University, Department of Gastroenterology & Hepatology, Aalborg University Hospital, Mølleparkvej 4, 9000 Aalborg, Denmark
| | - Adam D. Farmer
- Centre for Digestive Diseases, Blizard Institute of Cell & Molecular Science, Wingate Institute of Neurogastroenterology, Barts and the London School of Medicine & Dentistry, Queen Mary University of London, London, 4 Newark Street, London E1 2AT, UK
- Department of Gastroenterology, University Hospitals of North Midlands, Stoke-on-Trent, Staffordshire ST4 6QJ, UK
| | - Klaus Krogh
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Palle Juul Jensens Boulevard, 8200 Aarhus N, Denmark
| | - Anne Astrid Wendel
- Mech-Sense, Department of Clinical Medicine, Aalborg University, Department of Gastroenterology & Hepatology, Aalborg University Hospital, Mølleparkvej 4, 9000 Aalborg, Denmark
| | - Birgitte Brock
- Steno Diabetes Center Copenhagen, The Capital Region of Denmark, Niels Steensens Vej 2-4, Building: NSK, 2820 Gentofte, Denmark
| | - Asbjørn Mohr Drewes
- Mech-Sense, Department of Clinical Medicine, Aalborg University, Department of Gastroenterology & Hepatology, Aalborg University Hospital, Mølleparkvej 4, 9000 Aalborg, Denmark
| | - Christina Brock
- Mech-Sense, Department of Clinical Medicine, Aalborg University, Department of Gastroenterology & Hepatology, Aalborg University Hospital, Mølleparkvej 4, 9000 Aalborg, Denmark
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Abstract
OPINION STATEMENT Longstanding diabetes mellitus (both type 1 and type 2) can impair gastric motor function and cause significant upper gastrointestinal symptoms which significantly degrade quality of life, cause nutritional deficits, and degrade healthcare resource use. The most commonly considered gut complication of diabetes, diabetic gastroparesis, is a syndrome of delayed gastric emptying in the absence of mechanical obstruction which leads to symptoms of nausea, vomiting, postprandial fullness, early satiation, bloating, and upper abdominal pain. Gastroparesis also can lead to loss of glycemic control. A diagnosis of gastroparesis is made by documenting delayed gastric emptying and excluding mechanical obstruction. Gastric emptying scintigraphy is the most commonly utilized test for the diagnosis of gastroparesis but novel tests of gastric function have recently been introduced including the gastric emptying breath test and wireless motility capsule. Management most often is aimed at controlling symptoms, which includes dietary modification, optimization of glycemic control, and medication therapy with prokinetics, antiemetics, and neuromodulatory agents. Endoscopic and/or surgical therapies may be considered for refractory cases of gastroparesis. Recent research has provided new insights into the pathophysiology of this disease and is characterizing potential benefits of novel therapeutic agents which show promise in the treatment of this condition. This article will review the pathophysiology, new insights into disease mechanism, and treatment options for diabetic gastroparesis.
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Affiliation(s)
- Allen A Lee
- Division of Gastroenterology, University of Michigan Health System, 3912 Taubman Center, SPC 5362, Ann Arbor, MI, 48109, USA
| | - William L Hasler
- Division of Gastroenterology, University of Michigan Health System, 3912 Taubman Center, SPC 5362, Ann Arbor, MI, 48109, USA.
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Sanger GJ, Pasricha PJ. Investigational drug therapies for the treatment of gastroparesis. Expert Opin Investig Drugs 2017; 26:331-342. [PMID: 28127997 DOI: 10.1080/13543784.2017.1288214] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Gastroparesis is defined by nausea, vomiting, pain, early satiety and bloating, and characterized by delayed gastric emptying without obvious structural abnormalities. Metoclopramide is widely used, increasing gastric emptying and inhibiting nausea and vomiting. Other drugs are available in certain countries and some are used 'off-label' because they increase gastric emptying or inhibit emesis. However, correlation between gastroparesis symptoms and rates of gastric emptying is poor. For anti-emetic drugs, dose-ranging and Phase III trials in gastroparesis are lacking. Areas covered: Gastric motility may still be disordered, leading to nausea, even though gastric emptying is unchanged. One hypothesis is that interstitial cells of Cajal (ICC) are damaged by diabetes leading to gastric dysrhythmia and nausea. Novel approaches to treatment of nausea also include the use of ghrelin receptor agonists, highlighting a link between appetite and nausea. Expert opinion: There is an urgent need to diversify away from historical drug targets. In particular, there is a need to control nausea by regulating ICC functions and/or by facilitating appetite via ghrelin receptor agonists. It is also important to note that different upper gastrointestinal disorders (gastroparesis, chronic unexplained nausea and vomiting, functional dyspepsia) are difficult to distinguish apart, suggesting wider therapeutic opportunity.
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Affiliation(s)
- Gareth J Sanger
- a Professor of Neuropharmacology , Blizard Institute and the National Centre for Bowel Research, Barts The London School of Medicine and Dentistry, Queen Mary University of London , London , UK
| | - Pankaj Jay Pasricha
- b Vice Chair of Medicine for Innovation and Commercialization , Johns Hopkins University School of Medicine, Director, Johns Hopkins Center for Neurogastroenterology, Professor of Medicine and Neurosciences, Professor of Innovation Management, Johns Hopkins Carey School of Business , Baltimore , MD , USA
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20
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Hasler WL. Newest Drugs for Chronic Unexplained Nausea and Vomiting. CURRENT TREATMENT OPTIONS IN GASTROENTEROLOGY 2016; 14:371-385. [PMID: 27726068 PMCID: PMC5814321 DOI: 10.1007/s11938-016-0110-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OPINION STATEMENT Chronic unexplained nausea and vomiting (CUNV) refers to a symptom complex defined by nausea and/or vomiting with normal diagnostic testing, including anatomic assessments (including upper endoscopy) and measures of upper gut function (e.g., gastric emptying testing). Nausea and vomiting in this condition are postulated to result from aberrant peripheral or central neurohumoral activity. A substantial subset of patients satisfies this diagnosis as more than half of individuals referred for scintigraphic testing exhibit normal gastric emptying rates. No randomized, placebo-controlled trials of any medication treatment have been performed in CUNV. However, agents with potential therapeutic benefits in CUNV include antiemetic drugs, neuromodulatory treatments which are proposed to act by reducing gastric sensitivity, and medications with prokinetic action to stimulate upper gut propulsion. Recently approved drugs with antiemetic capability include serotonin antagonists with novel modes of delivery and neurokinin antagonists with or without additional serotonergic blocking capabilities. Existing neuroleptics and pain-modifying neuromodulatory therapies with fortuitous antiemetic benefits are being considered for their benefits in this disorder. Furthermore, current investigations will define potential therapeutic actions of agents that stimulate gastric emptying via action on gastroduodenal serotonin, motilin, and ghrelin receptors. This current research may broaden the treatment options for refractory cases of unexplained nausea and vomiting.
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Affiliation(s)
- William L Hasler
- Division of Gastroenterology, University of Michigan Health System, 3912 Taubman Center, SPC 5362, Ann Arbor, MI, 48109, USA.
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21
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Abstract
Gastroparesis is a syndrome of delayed gastric emptying in the absence of mechanical obstruction. Symptoms can be debilitating, affect nutritional states, and significantly impact patients' quality of life. The management of these patients can prove quite difficult to many providers. This article will review the current management recommendations of gastroparesis, discuss investigational medications and interventions, and summarize future directions of therapies targeting the underlying disease process. Current therapies are subdivided into those improving gastric motility and those directly targeting symptoms. Non-pharmacologic interventions, including gastric stimulator implantation and intra-pyloric botulinum toxic injection are reviewed. A discussion of expert opinion in the field, a look into the future of gastroparesis management, and a key point summary conclude the article.
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Affiliation(s)
- James Langworthy
- a Temple University Hospital , Department of Internal Medicine , Philadelphia , PA , USA
| | - Henry P Parkman
- b Temple University Hospital , Section of Gastroenterology , Philadelphia , PA , USA
| | - Ron Schey
- b Temple University Hospital , Section of Gastroenterology , Philadelphia , PA , USA
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22
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Abstract
Gastroparesis is characterized by a constellation of upper gastrointestinal symptoms in association with delayed gastric emptying in the absence of mechanical outlet obstruction from the stomach. Major symptoms are nausea, vomiting, early satiety or postprandial fullness, bloating, and abdominal or epigastric pain. Idiopathic, diabetic, and postsurgical causes represent the most common etiologies. Diagnostic procedures for the evaluation of gastroparesis comprise gastric emptying scintigraphy (gold standard), (13)C-octanoate breath testing, and a wireless motility capsule. Management of gastroparesis includes normalization of nutritional state, relief of symptoms, glycemic control, and improvement of gastric emptying. Medical treatment entails use of prokinetic drugs, which are currently the first-line therapy. Nausea and vomiting might be positively influenced by antiemetic drugs. Gastric electronic stimulation and surgical interventions should be used in well-defined patients and represent a therapeutic option in tertiary centers.
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Affiliation(s)
- U von Arnim
- Klinik für Gastroenterologie, Hepatologie und Infektiologie, Otto-von-Guericke-Universität, Leipziger Str. 44, 39120, Magdeburg, Deutschland,
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23
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Abstract
The sensation of nausea is a common occurrence with diverse causes and a significant disease burden. Nausea is considered to function as a protective mechanism, warning the organism to avoid potential toxic ingestion. Less adaptive circumstances are also associated with nausea, including post-operative nausea, chemotherapy-induced nausea, and motion sickness. A common definition of nausea identifies the symptom as a precursor to the act of vomiting. The interaction, though present, does not appear to be a simple relationship. Nausea is unfortunately the 'neglected symptom', with current accepted therapy generally directed at improving gastrointestinal motility or acting to relieve emesis. Improved understanding of the pathophysiological basis of nausea has important implications for exploiting novel mechanisms or developing novel therapies for nausea relief.
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Affiliation(s)
- Prashant Singh
- Division of Gastroenterology, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Sonia S. Yoon
- Division of Gastroenterology, Weill Cornell Medical College, New York, NY, USA
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Abstract
Gastroparesis (GP) is a chronic neuromuscular disorder of the upper gastrointestinal tract. The incidence of GP is not well described; however, the number of individuals affected by symptoms of GP in the United States is estimated to be over 4 million. The etiology of GP is diverse. Approximately 25% of cases are associated with diabetes, whereas nearly 50% are classified as idiopathic; many of these latter cases likely represent a postinfectious process. Connective tissue disorders, autoimmune disorders, prior gastric surgery, ischemia, and medications make up the vast majority of the remaining cases. The pathophysiology of GP is also diverse. Abnormalities in fundic tone, antroduodenal dyscoordination, a weak antral pump, gastric dysrhythmias, and abnormal duodenal feedback all contribute to delays in gastric emptying and symptom expression. Characteristic symptoms of GP include nausea, vomiting, epigastric pain, early satiety, and weight loss. The diagnosis of GP is made using a combination of characteristic symptoms in conjunction with objective evidence of delayed gastric emptying in the absence of mechanical obstruction. Once the diagnosis is made, treatment options include dietary modification, medications to accelerate gastric emptying, antiemetic agents, gastric electrical stimulation, and surgery. In the following sections we will provide an overview of the health care impact of GP, describe the underlying pathophysiology, and review treatment options using an evidence-based approach.
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25
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Abstract
INTRODUCTION Gastroparesis is a syndrome defined by delayed gastric emptying in the absence of mechanical obstruction. Gastroparesis has significant symptomatology and negative impacts on the patient's quality of life. AREAS COVERED This article reviews current treatment options for gastroparesis, recent advances in treatment and future directions that treatment may head. Current options are broadly divided into prokinetics and symptom modulators. Within each group, current modalities as well as recent advances are discussed according to agent mechanism of action. Lastly, findings regarding the cellular pathophysiology involved in gastroparesis will be briefly reviewed along with their implications for future treatments. EXPERT OPINION The numerous motor functions and neural inputs that control gastric motility are complex and not fully understood. Our lack of understanding of its pathophysiology has led to treatment options which are empirical, palliative and often ineffective. Newly intensified interest in the cellular pathophysiology behind gastroparesis provides promise for a new era of treatments. Identification of common cellular changes in gastroparesis has provided targets for treatment that may allow us to one day better treat the symptoms of gastroparesis related to its underlying pathophysiology. This is the future of gastroparesis therapy.
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Affiliation(s)
- Mark Malamood
- Temple University Hospital, Department of Internal Medicine , Philadelphia, PA , USA
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26
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Hasler WL. Symptomatic management for gastroparesis: antiemetics, analgesics, and symptom modulators. Gastroenterol Clin North Am 2015; 44:113-26. [PMID: 25667027 DOI: 10.1016/j.gtc.2014.11.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
Although prokinetic agents typically are used for gastroparesis, antiemetic, analgesic, and neuromodulatory medications may help manage nausea, vomiting, pain, or discomfort. Antiemetic benefits are supported by few case reports. An open series reported symptom reductions with transdermal granisetron in gastroparesis. Opiates are not advocated in gastroparesis because they worsen nausea and delay emptying. Neuromodulators have theoretical utility, but the tricyclic agent nortriptyline showed no benefits over placebo in an idiopathic gastroparesis study raising doubts about this strategy. Neurologic and cardiac toxicities of these medications are recognized. Additional controlled study is warranted to define antiemetic, analgesic, and neuromodulator usefulness in gastroparesis.
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Affiliation(s)
- William L Hasler
- Division of Gastroenterology, University of Michigan Health System, 3912 Taubman Center, SPC 5362, Ann Arbor, MI 48109, USA.
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Abstract
Rumination is a normal and common phenomenon among ruminant animals; but in humans, it is always regarded as symptom indicative of abnormal function of the upper gastrointestinal tract, and understanding of the mechanisms explaining this event are still evolving. Learning-based theories, organic factors such as gastroesophageal reflux disease and psychological disturbances (eg, depression, anxiety) and the role of life stresses have been postulated as potential mechanisms of rumination. In this review, we take the approach that rumination syndrome is a distinct and discrete functional gastroduodenal disorder. We review current concepts of the pathophysiology of this entity and diagnostic approaches, then detail the treatment paradigms that have been pursued in rumination syndrome in adults. Patients with rumination syndrome have a very distinct set of symptoms. It was focused on the immediate postprandial period, but recently, there is an awareness of an expanding spectrum of the clinical presentation. This includes the concept of "conditioned vomiting" occurring in the setting of delayed gastric emptying (gastroparesis). Physicians' awareness of rumination syndrome is essential in the diagnosis and management of this disorder. Stress and psychological aspects in rumination syndrome are invariably in the background and have to be addressed. The crucial steps in the treatment strategy for rumination syndrome rely on reassurance, education and a physiologic explanation to the patient and family that this is not a "disease," followed by behavioral and relaxation programs and addressing stress factors.
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Phillips LK, Deane AM, Jones KL, Rayner CK, Horowitz M. Gastric emptying and glycaemia in health and diabetes mellitus. Nat Rev Endocrinol 2015; 11:112-28. [PMID: 25421372 DOI: 10.1038/nrendo.2014.202] [Citation(s) in RCA: 175] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The rate of gastric emptying is a critical determinant of postprandial glycaemia and, accordingly, is fundamental to maintaining blood glucose homeostasis. Disordered gastric emptying occurs frequently in patients with longstanding type 1 diabetes mellitus and type 2 diabetes mellitus (T2DM). A complex bidirectional relationship exists between gastric emptying and glycaemia--gastric emptying accounts for ∼35% of the variance in peak postprandial blood glucose concentrations in healthy individuals and in patients with diabetes mellitus, and the rate of emptying is itself modulated by acute changes in glycaemia. Clinical implementation of incretin-based therapies for the management of T2DM, which diminish postprandial glycaemia, in part by slowing gastric emptying, is widespread. Other therapies for patients with T2DM, which specifically target gastric emptying include pramlintide and dietary-based treatment approaches. A weak association exists between upper gastrointestinal symptoms and the rate of gastric emptying. In patients with severe diabetic gastroparesis, pathological changes are highly variable and are characterized by loss of interstitial cells of Cajal and an immune infiltrate. Management options for patients with symptomatic gastroparesis remain limited in their efficacy, which probably reflects the heterogeneous nature of the underlying pathophysiology.
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Affiliation(s)
- Liza K Phillips
- Centre of Research Excellence in Translating Nutritional Science to Good Health, Discipline of Medicine, The University of Adelaide, Level 6 Eleanor Harrald Building, Royal Adelaide Hospital, Frome Road, Adelaide, SA 5005, Australia
| | - Adam M Deane
- Centre of Research Excellence in Translating Nutritional Science to Good Health, Discipline of Medicine, The University of Adelaide, Level 6 Eleanor Harrald Building, Royal Adelaide Hospital, Frome Road, Adelaide, SA 5005, Australia
| | - Karen L Jones
- Centre of Research Excellence in Translating Nutritional Science to Good Health, Discipline of Medicine, The University of Adelaide, Level 6 Eleanor Harrald Building, Royal Adelaide Hospital, Frome Road, Adelaide, SA 5005, Australia
| | - Chris K Rayner
- Centre of Research Excellence in Translating Nutritional Science to Good Health, Discipline of Medicine, The University of Adelaide, Level 6 Eleanor Harrald Building, Royal Adelaide Hospital, Frome Road, Adelaide, SA 5005, Australia
| | - Michael Horowitz
- Centre of Research Excellence in Translating Nutritional Science to Good Health, Discipline of Medicine, The University of Adelaide, Level 6 Eleanor Harrald Building, Royal Adelaide Hospital, Frome Road, Adelaide, SA 5005, Australia
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Stein B, Everhart KK, Lacy BE. Treatment of functional dyspepsia and gastroparesis. ACTA ACUST UNITED AC 2014; 12:385-97. [PMID: 25169218 DOI: 10.1007/s11938-014-0028-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OPINION STATEMENT Functional dyspepsia (FD) and gastroparesis (GP) are the two most prevalent gastric neuromuscular disorders. These disorders are frequently confused, have more similarities than differences, and can be thought of as two ends of a continuous spectrum of gastric neuromuscular disorders (Fig. 1). FD is currently defined by the Rome III criteria; it is now subdivided into a pain-predominant subtype (epigastric pain syndrome) and a meal-associated subtype (post-prandial distress syndrome). GP is defined by symptoms in conjunction with delayed gastric emptying in the absence of mechanical obstruction. Symptoms for both FD and GP are similar and include epigastric pain or discomfort, early satiety, bloating, and post-prandial nausea. Vomiting can occur with either diagnosis; it is typically more common in GP. A patient suspected of having either FD or GP should undergo upper endoscopy. In suspected FD, upper endoscopy is required to exclude an alternative organic cause for the patient's symptoms; however, most (70 %) patients with dyspeptic symptoms will have FD rather than an organic disorder. In suspected GP, upper endoscopy is required to rule out a mechanical obstruction. A 4-hour solid-phase gastric emptying scan is recommended to confirm the diagnosis of GP; its utility is unclear in patients with FD, as it may not change treatment. Once the diagnosis of FD or GP is made, treatment should focus on the predominant symptom. This is especially true in patients with GP, as accelerating gastric emptying with the use of prokinetics may not necessarily translate into an improvement in symptoms. Unfortunately, no medication is currently approved for the treatment of FD and, thus, technically, all treatment options remain off-label, including medications for visceral pain (e.g., tricyclic antidepressants) and nausea. This review focuses on treatment options for FD and GP with an emphasis on new advances in the field over the last several years.
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Affiliation(s)
- Benjamin Stein
- Division of Gastroenterology & Hepatology, Dartmouth-Hitchcock Medical Center, 1 Medical Center Drive, Lebanon, NH, 03756, USA,
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30
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Telles-Correia D, Moreira ALR. A psychosomatic approach to severe nausea and vomiting in liver transplant recipients with familial amyloid polyneuropathy: clinical outcome in 10 cases. Prog Transplant 2014; 24:242-6. [PMID: 25193724 DOI: 10.7182/pit2014615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
After transplant, patients with familial amyloid polyneuropathy may manifest several medical and psychiatric symptoms that can be difficult to diagnose and treat. We describe 10 liver transplant candidates with familial amyloid polyneuropathy who had severe somatic signs and symptoms (nausea and vomiting) after transplant. Their physical examinations were performed by physicians from different specialties. Before transplant, the patients' evaluations did not reveal relevant medical or psychiatric symptoms. After transplant, they had severe nausea and vomiting and high scores on the Hospital Anxiety and Depression Scale. A psychopharmacological trial with a selective serotonin reuptake inhibitor plus an antiemetic drug was unsuccessful. Remission was obtained with tricyclic antidepressants and low-dose atypical antipsychotic agents. Previous researchers had concluded that the mental quality of life in patients with familial amyloid polyneuropathy was worse after receiving a liver transplant, unlike other transplant recipients. The 10 cases described in this study are a good example of comorbid physical and mental symptoms occurring after transplant in patients with familial amyloid polyneuropathy. The conclusions of this study have implications for clinical practice, showing how a careful holistic approach in the posttransplant period is relevant in these cases.
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Affiliation(s)
- Diogo Telles-Correia
- Curry Cabral Hospital, Lisbon, Portugal Hospital de Santa Maria, Lisbon, Portugal
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31
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Sun Y, Song G, McCallum RW. Evaluation of acotiamide for the treatment of functional dyspepsia. Expert Opin Drug Metab Toxicol 2014; 10:1161-8. [DOI: 10.1517/17425255.2014.920320] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Abstract
INTRODUCTION Gastroparesis presents with symptoms of gastric retention with findings of delayed gastric emptying on diagnostic testing. Manifestations of gastroparesis are disabling in severe cases and lead to significant health resource utilization. Current therapies often are ineffective, may exhibit tolerance on chronic administration or produce prominent side effects in large patient subsets. AREAS COVERED This review assessed literature on drugs with theoretical efficacy in gastroparesis including medications that accelerate gastric emptying, reduce nausea and vomiting, or act as neuromodulators to reduce gastric sensitivity. Numerous agents exhibit diverse actions to modify gastric sensorimotor function in animal models; however, few medications are in controlled testing in gastroparesis. Prokinetic drugs with promise for this condition include investigational serotonin 5-HT4 agonists, motilin agonists, dopamine D2 antagonists, ghrelin agonists and an agent with combined muscarinic antagonist and acetylcholinesterase inhibitory effects. Other antiemetics and complementary and alternative formulations may be effective for some symptoms. EXPERT OPINION Development of effective novel therapies of gastroparesis without the neurotoxicity and cardiac arrhythmogenic effects of current agents will mandate a better definition of the gastric and extragastric factors responsible for the pathogenesis of the varied clinical manifestations of this disorder.
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Affiliation(s)
- William L Hasler
- University of Michigan Health System, Division of Gastroenterology , 3912 Taubman Center, SPC 5362, Ann Arbor, MI 48109 , USA +1 734 936 4780 ; +1 734 936 7392 ;
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33
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Bouras EP, Vazquez Roque MI, Aranda-Michel J. Gastroparesis: from concepts to management. Nutr Clin Pract 2014; 28:437-47. [PMID: 23797376 DOI: 10.1177/0884533613491982] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
While the symptoms of gastroparesis are common, an accurate diagnosis is based on a combination of those symptoms with a documented delay in gastric emptying. Typical symptoms include nausea, vomiting, early satiety, postprandial fullness, bloating, and abdominal discomfort. Patients with gastroparesis face many diagnostic and therapeutic challenges. The most common origins of gastroparesis are idiopathic causes and diabetes mellitus. The increased use of certain medications in medicine today, including opiates and drugs with anticholinergic properties, can alter gastrointestinal functions and mimic symptoms of gastroparesis. Accordingly, alternative explanations for symptoms and altered gastrointestinal function need to be considered. Numerous clinical sequelae, including weight loss and severe protein-calorie malnutrition, may be seen in advanced stages of gastroparesis. This article provides an overview of gut sensorimotor function to help the reader better understand the clinical presentation of patients with dyspepsia and those who may have accompanying delayed gastric emptying that meets criteria for gastroparesis. Techniques available for diagnosing motor dysfunction and the principles of gastroparesis management are reviewed. Nutrition recommendations and a review of pharmacologic agents, nonpharmacologic techniques, and novel treatment modalities are provided.
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Affiliation(s)
- Ernest P Bouras
- Division of Gastroenterology and Hepatology, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL 32224, USA.
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Parkman HP, Van Natta ML, Abell TL, McCallum RW, Sarosiek I, Nguyen L, Snape WJ, Koch KL, Hasler WL, Farrugia G, Lee L, Unalp-Arida A, Tonascia J, Hamilton F, Pasricha PJ. Effect of nortriptyline on symptoms of idiopathic gastroparesis: the NORIG randomized clinical trial. JAMA 2013; 310:2640-9. [PMID: 24368464 PMCID: PMC4099968 DOI: 10.1001/jama.2013.282833] [Citation(s) in RCA: 114] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
IMPORTANCE Gastroparesis remains a challenging syndrome to manage, with few effective treatments and a lack of rigorously controlled trials. Tricyclic antidepressants are often used to treat refractory symptoms of nausea, vomiting, and abdominal pain. Evidence from well-designed studies for this use is lacking. OBJECTIVE To determine whether treatment with nortriptyline results in symptomatic improvement in patients with idiopathic gastroparesis. DESIGN, SETTING, AND PARTICIPANTS The NORIG (Nortriptyline for Idiopathic Gastroparesis) trial, a 15-week multicenter, parallel-group, placebo-controlled, double-masked, randomized clinical trial from the National Institute of Diabetes and Digestive and Kidney Diseases Gastroparesis Clinical Research Consortium (GpCRC), comparing nortriptyline with placebo for symptomatic relief in idiopathic gastroparesis. One hundred thirty patients with idiopathic gastroparesis were enrolled between March 2009 and June 2012 at 7 US academic medical centers. Patient follow-up was completed in October 2012. Inclusion criteria included delayed gastric emptying and moderate to severe symptom scores using the Gastroparesis Cardinal Symptom Index (GCSI). INTERVENTIONS Nortriptyline vs placebo. Study drug dose was increased at 3-week intervals (10, 25, 50, 75 mg) up to 75 mg at 12 weeks. MAIN OUTCOMES AND MEASURES The primary outcome measure of symptomatic improvement was a decrease from the patient's baseline GCSI score of at least 50% on 2 consecutive 3-week GCSI assessments during 15 weeks of treatment. RESULTS The primary symptomatic improvement outcome did not differ between 65 patients randomized to nortriptyline vs 65 patients randomized to placebo: 15 (23% [95% CI, 14%-35%]) in the nortriptyline group vs 14 (21% [95% CI, 12%-34%]) in the placebo group (P = .86). Treatment was stopped more often in the nortriptyline group (19 [29% {95% CI, 19%-42%}]) than in the placebo group (6 [9%] {95% CI, 3%-19%}]) (P = .007), but numbers of adverse events were not different (27 [95% CI, 18-39] vs 28 [95% CI, 19-40]) (P = .89). CONCLUSIONS AND RELEVANCE Among patients with idiopathic gastroparesis, the use of nortriptyline compared with placebo for 15 weeks did not result in improvement in overall symptoms. These findings do not support the use of nortriptyline for idiopathic gastroparesis. TRIAL REGISTRATION clinicaltrials.gov Identifier: NCT00765895.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Linda Lee
- Johns Hopkins University, Baltimore, Maryland
| | | | | | - Frank Hamilton
- National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland
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Harrison NS, Williams PA, Walker MR, Nikitini Y, Helling TS, Abell TL, Lahr CJ. Evaluation and treatment of gastric stimulator failure in patients with gastroparesis. Surg Innov 2013; 21:244-9. [PMID: 24056201 DOI: 10.1177/1553350613503735] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
OBJECTIVE This study evaluates treatment of gastroparesis patients refractory to gastric electrical stimulation (GES) therapy with surgical replacement of the entire GES system. SUMMARY BACKGROUND DATA Some patients who have symptomatic improvement with GES later develop recurrent symptoms. Some patients improve by simply altering pulse parameter settings. Others continue to have symptoms with maximized pulse parameters. For these patients, we have shown that surgical implantation of a new device and leads at a different gastric location will improve symptoms of gastroparesis. METHODS This study evaluates 15 patients with recurrent symptoms after initial GES therapy who subsequently received a second GES system. Positive response to GES replacement therapy is evaluated by symptoms scores for vomiting, nausea, epigastric pain, early satiety, and bloating using a modified Likert score system, 0 to 4. RESULTS Total symptom scores improved for 12 of 15 patients with GES replacement surgery. Total score for the replacement group decreased from 17.3 ± 1.6 to 13.6 ± 3.7 with a difference of 3.6 (P value = .017). This score is compared with that of the control group with a preoperative symptom score of 15.8 ± 3.6 and postoperative score of 12.3 ± 3.5 with a difference of 3.5 (P value = .011). The control group showed a 20.3% decrease in mean total symptoms score, whereas the study group showed a 22.5% decrease in mean with an absolute reduction of 2.2. CONCLUSION Reimplantation of a GES at a new gastric location should be considered a viable option for patients who have initially failed GES therapy for gastroparesis.
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Affiliation(s)
| | | | - Micah R Walker
- University of Mississippi Medical Center, Jackson, MS, USA
| | - Yana Nikitini
- University of Mississippi Medical Center, Jackson, MS, USA
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Lee A. Gastroparesis: what is the current state-of-the-art for evaluation and medical management? What are the results? J Gastrointest Surg 2013; 17:1553-6. [PMID: 23801519 DOI: 10.1007/s11605-013-2254-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2013] [Accepted: 06/10/2013] [Indexed: 01/31/2023]
Abstract
Gastroparesis is a chronic motility disorder that leads to delayed gastric emptying and negatively impacts morbidity, mortality, and quality of life. This paper provides an overview of the pathophysiology leading to symptoms in gastroparesis, discusses tests for diagnosis, and examines the evidence behind different treatment options for gastroparesis. Although delayed gastric emptying is the cardinal finding in gastroparesis, other physiologic abnormalities may contribute to the pathogenesis of symptoms. Gastric emptying scintigraphy is considered the gold standard for the diagnosis of gastroparesis but novel tests are currently available. Although metoclopramide is the only FDA approved medication to treat gastroparesis, alternative therapeutic options are available and should be tailored according to symptoms as well as physiologic abnormalities.
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Affiliation(s)
- Allen Lee
- University of Vermont, 111 Colchester Ave, MS 320FL4, Burlington, VT 05401, USA.
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Thazhath SS, Jones KL, Horowitz M, Rayner CK. Diabetic gastroparesis: recent insights into pathophysiology and implications for management. Expert Rev Gastroenterol Hepatol 2013; 7:127-39. [PMID: 23363262 DOI: 10.1586/egh.12.82] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Delayed gastric emptying affects a substantial proportion of patients with long-standing diabetes, and when associated with symptoms and/or disordered glycemic control, affects quality of life adversely. Important clinicopathological insights have recently been gained by the systematic analysis of gastric biopsies from patients with severe diabetic gastroparesis, which may stimulate the development of new therapies in the coming decade. Experience with prokinetic therapies and treatments, such as pyloric botulinum toxin injection and gastric electrical stimulation, has established that relief of symptoms does not correlate closely with acceleration of delayed gastric emptying, and that well-designed controlled trials are essential to determine the efficacy of emerging therapies.
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Affiliation(s)
- Sony S Thazhath
- Discipline of Medicine, University of Adelaide, Royal Adelaide Hospital, North Terrace, Adelaide 5000, Australia Centre of Clinical Research Excellence in Nutritional Physiology, Interventions and Outcomes, University of Adelaide, Adelaide, SA, Australia
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Oh JH, Pasricha PJ. Recent advances in the pathophysiology and treatment of gastroparesis. J Neurogastroenterol Motil 2013; 19:18-24. [PMID: 23350043 PMCID: PMC3548121 DOI: 10.5056/jnm.2013.19.1.18] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2012] [Accepted: 11/13/2012] [Indexed: 12/17/2022] Open
Abstract
Gastroparesis is a clinical disorder characterized by upper gastrointestinal symptoms related with delayed gastric emptying of solids and liquids in the absence of mechanical obstruction. Diabetes mellitus has been the most common cause of gastroparesis and idiopathic gastroparesis also accounts for a third of all chronic cases. The most important mechanisms of gastroparesis, as understood to date, are loss of expression of neuronal nitric oxide synthase and loss of the interstitial cells of Cajal. However, the pathogenesis of gastroparesis is poorly understood. There have been several studies on specific molecules related to the pathogenesis of gastroparesis. Additionally, the Gastroparesis Clinical Research Consortium of the National Institutes of Health has achieved several promising results regarding the pathophysiology of gastroparesis. As the progress in the pathophysiology of gastroparesis has been made, a promising new drug therapy has been found. The pathophysiology and drug therapy of gastroparesis are focused in this review. Until now, the real-world medication options for treatment of gastroparesis are limited. However, it is expected to be substantially improved as the pathophysiology of gastroparesis is elucidated.
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Affiliation(s)
- Jung Hwan Oh
- Division of Gastroenterology, College of Medicine, The Catholic University of Korea, Seoul, Korea
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Camilleri M, Parkman HP, Shafi MA, Abell TL, Gerson L. Clinical guideline: management of gastroparesis. Am J Gastroenterol 2013; 108:18-37; quiz 38. [PMID: 23147521 PMCID: PMC3722580 DOI: 10.1038/ajg.2012.373] [Citation(s) in RCA: 688] [Impact Index Per Article: 62.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This guideline presents recommendations for the evaluation and management of patients with gastroparesis. Gastroparesis is identified in clinical practice through the recognition of the clinical symptoms and documentation of delayed gastric emptying. Symptoms from gastroparesis include nausea, vomiting, early satiety, postprandial fullness, bloating, and upper abdominal pain. Management of gastroparesis should include assessment and correction of nutritional state, relief of symptoms, improvement of gastric emptying and, in diabetics, glycemic control. Patient nutritional state should be managed by oral dietary modifications. If oral intake is not adequate, then enteral nutrition via jejunostomy tube needs to be considered. Parenteral nutrition is rarely required when hydration and nutritional state cannot be maintained. Medical treatment entails use of prokinetic and antiemetic therapies. Current approved treatment options, including metoclopramide and gastric electrical stimulation (GES, approved on a humanitarian device exemption), do not adequately address clinical need. Antiemetics have not been specifically tested in gastroparesis, but they may relieve nausea and vomiting. Other medications aimed at symptom relief include unapproved medications or off-label indications, and include domperidone, erythromycin (primarily over a short term), and centrally acting antidepressants used as symptom modulators. GES may relieve symptoms, including weekly vomiting frequency, and the need for nutritional supplementation, based on open-label studies. Second-line approaches include venting gastrostomy or feeding jejunostomy; intrapyloric botulinum toxin injection was not effective in randomized controlled trials. Most of these treatments are based on open-label treatment trials and small numbers. Partial gastrectomy and pyloroplasty should be used rarely, only in carefully selected patients. Attention should be given to the development of new effective therapies for symptomatic control.
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Affiliation(s)
- Michael Camilleri
- Department of Gastroenterology, Mayo Clinic, Rochester, MN 55905, USA.
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Abstract
BACKGROUND Diabetic gastroparesis (DGP) is a gastric complication of diabetes mellitus that causes nausea, vomiting, early satiety, bloating and abdominal pain, in addition to significant morbidity. SOURCES OF DATA Original and review articles were reviewed through PubMed, including relevant guidelines from the European and American Neurogastroenterology Societies. AREAS OF AGREEMENT Diagnosis of DGP requires endoscopy and measurement of gastric emptying. Management requires prokinetic therapy, usually in addition to antinausea or other medications. AREAS OF CONTROVERSY The pathogenesis of DGP is poorly understood. Management strategies are highly variable. Growing points Prokinetic and neuromodulatory medications are in human clinical trials specifically for gastroparesis. AREAS TIMELY FOR DEVELOPING RESEARCH Further understanding of the molecular pathology leading to DGP is required to potentially arrest the development of this serious diabetic complication. Evaluation of novel agents for use in DGP is sorely needed.
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Patel A, Sayuk GS, Kushnir VM, Gyawali CP. Sensory neuromodulators in functional nausea and vomiting: predictors of response. Postgrad Med J 2012; 89:131-6. [PMID: 23112216 DOI: 10.1136/postgradmedj-2012-131284] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Tricyclic antidepressants (TCAs) are known to benefit subjects with functional nausea and vomiting (FNV), but it is not known if alternate neuromodulators are also beneficial. We retrospectively evaluated outcomes and clinical predictors of response in FNV subjects treated with any neuromodulator, including TCAs. METHODS We identified 94 subjects (43.8±1.4 year, 79 F) with FNV (Rome III criteria) over a 12 year period, treated with neuromodulators and followed up for 8.5±1.1 months. Clinical presentation, demographics and gastric emptying study (GES) findings (when available) were extracted. Likert scales determined symptom severity at baseline and symptom response or remission at follow-up. Outcomes and predictors of response were evaluated using univariate and multivariate analyses. RESULTS At least moderate symptom improvement was reported by 72.3%, and 22.3% had symptom remission. Proportions achieving moderate improvement and remission, and mean outcome Likert scores were similar regardless of neuromodulator agent used or GES status. On univariate and multivariate logistic regression analysis, baseline symptom severity affected symptom response, and pain negatively impacted symptom remission to treatment (p≤0.04 for each); GES status failed to predict treatment response or remission. CONCLUSIONS Symptom improvement with neuromodulators may be seen in over two-thirds of subjects with FNV regardless of the specific agent administered. Response may be suboptimal in pain predominant presentations.
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Affiliation(s)
- Amit Patel
- Division of Gastroenterology, Washington University School of Medicine, St. Louis, Missouri, USA
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Keld R, Kinsey L, Athwal V, Lal S. Pathogenesis, investigation and dietary and medical management of gastroparesis. J Hum Nutr Diet 2011; 24:421-30. [DOI: 10.1111/j.1365-277x.2011.01190.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Abstract
Gastroparesis is a prevalent condition that produces symptoms of delayed gastric emptying in the absence of physical blockage. The most common etiologies of gastroparesis are idiopathic, diabetic, and postsurgical disease, although some cases stem from autoimmune, paraneoplastic, neurologic or other conditions. Histologic examination of gastric tissues from patients with severe gastroparesis reveals heterogeneous and inconsistent defects in the morphology of enteric neurons, smooth muscle and interstitial cells of Cajal, and increased levels of inflammatory cells. Diagnosis is most commonly made by gastric emptying scintigraphy; however, wireless motility capsules and nonradioactive isotope breath tests have also been validated. A range of treatments have been used for gastroparesis including dietary modifications and nutritional supplements, gastric motor stimulatory or antiemetic medications, endoscopic or surgical procedures, and psychological interventions. Most treatments have not been subjected to controlled testing in patients with gastroparesis. The natural history of this condition is poorly understood. Active ongoing research is providing important insights into the pathogenesis, diagnosis, treatment and outcomes of this disease.
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Affiliation(s)
- William L Hasler
- Division of Gastroenterology, University of Michigan Hospital, 3912 Taubman Center, Ann Arbor, MI 5362, USA.
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Venkatesan T, Tarbell S, Adams K, McKanry J, Barribeau T, Beckmann K, Hogan WJ, Kumar N, Li BUK. A survey of emergency department use in patients with cyclic vomiting syndrome. BMC Emerg Med 2010; 10:4. [PMID: 20181253 PMCID: PMC2841069 DOI: 10.1186/1471-227x-10-4] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2009] [Accepted: 02/24/2010] [Indexed: 12/22/2022] Open
Abstract
Background Cyclic vomiting syndrome (CVS), a chronic disorder characterized by recurrent episodes of vomiting, is frequently unrecognized and is associated with high utilization of emergency department (ED) services. Methods A web-based survey was posted on the Cyclic Vomiting Syndrome Association (CVSA) website to assess utilization of ED services in patients with CVS. Results Of 251 respondents, 104 (41.4%) were adult CVS patients and 147 (58.6%) were caregivers of pediatric and adult patients. In the adult group, the median number of ED visits for CVS symptoms was 15(range 1 - 200), with a median of 7 ED visits prior to a diagnosis of CVS (range 0 - 150). In the caregiver group, the median number of ED visits was 10 (range 1 - 175) and the median number of ED visits prior to a diagnosis of CVS was 5 (range 0 - 65). CVS was not diagnosed in the ED in 89/104 (93%) adults and 119/147 (93%) patients in the caregiver group. CVS was not recognized in the ED in 84/95 (88%) of adults and 97/122 (80%) of patients in the caregiver group, despite an established diagnosis of CVS. Conclusion There is a sub-group of adult and pediatric CVS patients who are high utilizers of ED services and CVS is not recognized in the ED in the majority of patients. Improved efforts to educate ED physicians are indicated to optimize treatment of patients with CVS and to decrease potential overuse of ED services.
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Affiliation(s)
- Thangam Venkatesan
- Medical College of Wisconsin, Division of Gastroenterology and Hepatology, 9200, West Wisconsin Avenue, Milwaukee, WI-53226, USA.
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46
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Reddymasu SC, Sarosiek I, McCallum RW. Severe gastroparesis: medical therapy or gastric electrical stimulation. Clin Gastroenterol Hepatol 2010; 8:117-24. [PMID: 19765675 DOI: 10.1016/j.cgh.2009.09.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2009] [Revised: 09/02/2009] [Accepted: 09/06/2009] [Indexed: 02/07/2023]
Affiliation(s)
- Savio C Reddymasu
- Center for Gastrointestinal Nerve and Muscle Function, Division of Gastrointestinal Motility, Department of Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
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Abstract
Gastrointestinal motility disorders in their most severe forms may directly lead to intestinal failure. Abnormal motor function may also contribute to the overall gut dysfunction of children who have other underlying gastrointestinal diseases, such as Hirschsprung disease or gastroschisis. Understanding the extent and the severity of the dysmotile segments has direct therapeutic and prognostic implications. Our ability to study gastrointestinal motility has greatly improved in the past few years, with the development of less-invasive diagnostic tests. Optimal treatment of children with intestinal motility disorders relies on a multidisciplinary approach, which focuses on optimizing nutrition, improving gastrointestinal motility, and reducing psychosocial disability. Patient education is important to avoid aggravations of symptoms caused by dietary indiscretions.
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Affiliation(s)
- Carlo Di Lorenzo
- Division of Pediatric Gastroenterology, Nationwide Children's Hospital, Columbus, Ohio 43205, USA.
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Efficacy of tricyclic antidepressant therapy in adults with cyclic vomiting syndrome: a two-year follow-up study. J Clin Gastroenterol 2010; 44:18-21. [PMID: 20027010 DOI: 10.1097/mcg.0b013e3181ac6489] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
AIM To investigate the effects of prolonged tricyclic antidepressants (TCAs) therapy on the frequency and duration of episodes of cyclic vomiting syndrome (CVS) in adults, and the global assessment of clinical improvement and the number of emergency department (ED) visits and/or hospitalizations. METHOD An open labeled study was conducted in adult CVS patients treated with a TCA and followed for up to 2 years. Demographic data, TCA dosage, duration and frequency of CVS episodes, ED visits, and hospitalizations at baseline and during TCA therapy were recorded, and patients were monitored for any adverse events. RESULTS Forty-six patients initially met the inclusion criteria and 41 patients (22 male) with mean age of 35 years (range: 18 to 63 y) on TCA were able to be followed for 1 year and 23 were evaluated for 2 years. Mean age of onset of CVS symptoms was 26 years (range: 10 to 52 y) and mean age for making the diagnosis of CVS was 32 years (range: 15 to 63 y). The frequency and duration of an episode and ED visits related to CVS were all significantly reduced after both the first and second year of TCA therapy (P<0.05). Eighty-eight percent reported an improved clinical status by subjective global assessment. Mild side effects were reported in 34% not necessitating stoppage of the TCA. CONCLUSIONS Long-term TCA therapy significantly reduces the frequency and duration of CVS episodes, ED visits, and hospitalizations (P<0.05), and improves overall clinical well-being providing evidence that they are effective therapy for adult CVS.
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Abstract
We review the current clinical evaluation and management of the most common esophageal and gastrointestinal motility disorders in children based on the literature and our experience in a pediatric motility center in the United States. The disorders discussed include esophageal achalasia, pre- and post-fundoplication motility disorders, gastroparesis, motility disorders occurring after repair of congenital atresias, motility disorders associated with gastroschisis, chronic intestinal pseudo-obstruction, motility after intestinal transplantation, motility disorders after colonic resection for Hirschsprung's disease, chronic functional constipation, and motility disorders associated with imperforate anus.
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Affiliation(s)
- Cheryl E Gariepy
- Center for Cell and Developmental Biology, The Research Institute at Nationwide Children's Hospital, Columbus, Ohio 43205, USA.
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Chen J, Koothan T, Chen JDZ. Synchronized gastric electrical stimulation improves vagotomy-induced impairment in gastric accommodation via the nitrergic pathway in dogs. Am J Physiol Gastrointest Liver Physiol 2009; 296:G310-8. [PMID: 19023028 PMCID: PMC2643919 DOI: 10.1152/ajpgi.90525.2008] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Impaired gastric accommodation and gastric dysrhythmia are common in gastroparesis and functional dyspepsia. Recent studies have shown that synchronized gastric electrical stimulation (SGES) accelerates gastric emptying and enhances antral contractions in dogs. The aim of this study was to investigate the effects and mechanism of SGES on gastric accommodation and slow waves impaired by vagotomy in dogs. Gastric tone, compliance, and accommodation as well as slow waves with and without SGES were assessed in seven female regular dogs and seven dogs with bilateral truncal vagotomy, chronically implanted with gastric serosal electrodes and a gastric cannula. We found that 1) vagotomy impaired gastric accommodation that was normalized by SGES. The postprandial increase in gastric volume was 283.5 +/- 50.6 ml in the controlled dogs, 155.2 +/- 49.2 ml in the vagotomized dogs, and 304.0 +/- 57.8 ml in the vagotomized dogs with SGES. The ameliorating effect of SGES was no longer observed after application of N(omega)-nitro-L-arginine (L-NNA); 2) vagotomy did not alter gastric compliance whereas SGES improved gastric compliance in the vagotomized dogs, and the improvement was also blocked by L-NNA; and 3) vagotomy impaired antral slow wave rhythmicity in both fasting and fed states. SGES at the proximal stomach enhanced the postprandial rhythmicity and amplitude (dominant power) of the gastric slow waves in the antrum. In conclusion, SGES with appropriate parameters restores gastric accommodation and improves gastric slow waves impaired by vagotomy. The improvement in gastric accommodation with SGES is mediated via the nitrergic pathway. Combined with previously reported findings (enhanced antral contractions and accelerated gastric emptying) and findings in this study (improved gastric accommodation and slow waves), SGES may be a viable therapy for gastroparesis.
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Affiliation(s)
- Jie Chen
- Division of Gastroenterology and Animal Resources Center, University of Texas Medical Branch, Galveston, Texas; Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; and Transtimulation Research Incorporated, Oklahoma City, Oklahoma
| | - Thillai Koothan
- Division of Gastroenterology and Animal Resources Center, University of Texas Medical Branch, Galveston, Texas; Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; and Transtimulation Research Incorporated, Oklahoma City, Oklahoma
| | - Jiande D. Z. Chen
- Division of Gastroenterology and Animal Resources Center, University of Texas Medical Branch, Galveston, Texas; Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; and Transtimulation Research Incorporated, Oklahoma City, Oklahoma
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