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Journal articles on the topic 'Duodenal Muscle'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Khatun, Shrabani, Sourapriya Mukherjee, and Goutam Paul. "Potentiation of the Contraction of the Duodenal Visceral Smooth Muscle by Potassium Bromate (KBrO3) through Facilitation of Intrinsic Cholinergic Efferents." International Journal of Research and Review 11, no. 8 (2024): 591–98. http://dx.doi.org/10.52403/ijrr.20240863.

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In recent times, intoxication from chemicals used as food additive and adulterants poses a significant environmental health concern. Potassium Bromate commonly used as dough improver in making bread and other flour related products in an unrestricted quantity. Potassium Bromate (KBrO3) primarily affects the small intestine through consumption of KBrO3 contaminated foods. However, the toxic impact of KBrO3 on duodenal visceral smooth muscle motor activity has not been studied. Therefore, the study aimed to investigate the potential toxic effects of KBrO3 on the contraction of duodenal visceral

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Biswas, Swarnali, Sourapriya Mukherjee, and Goutam Paul. "Metanil Yellow Induces Oxidative Stress in Duodenal Visceral Smooth Muscle of Rat." International Journal of Research and Review 11, no. 8 (2024): 599–606. http://dx.doi.org/10.52403/ijrr.20240864.

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Metanil Yellow, a synthetic dye has huge application as a dye in the paint, textile, porcelain, and leather industries. Besides, it is widely used as a food colorant in the food industry because of its persistent yellow color despite of being categorised as non-permitted food color to attract customers. Consequently, eating food tainted with MY exposes humans to MY on a regular basis. Thus, the study was to examine any induction of oxidative stress on acute exposure of MY in the smooth muscles located at the wall structure of the duodenum, that with its contractile activity provides motility t

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3

Onomura, Masahisa, Hideaki Tsukada, Kazuhito Fukuda, et al. "Effects of Ginseng Radix on Sugar Absorption in the Small Intestine." American Journal of Chinese Medicine 27, no. 03n04 (1999): 347–54. http://dx.doi.org/10.1142/s0192415x99000392.

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Ginseng radix (GR) is often used in traditional Japanese kampo medicine. We studied the effect of GR on glucose and maltose transport in rat and human duodenal mucosa by Using's method, and on smooth muscle movement in rat duodenal muscle by Magnus' method. GR inhibited absorption of glucose or maltose in rat and human duodenal mucosa, but increased duodenal muscle movement. It suggests that the inhibition of sugar absorption by GR is more dominant than enhancement of duodenal muscle movement by GR.

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4

Dr., Prashant Sonkusale, Mainde U.P., S. Chaitanya, and Suroshe Samiksha. "Pathological Study of Rare Case of Duodenal Leiomyosarcoma in a Labrador Dog." International Journal of Current Science Research and Review 07, no. 03 (2024): 1725–27. https://doi.org/10.5281/zenodo.10829079.

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Abstract : The leiomyosarcoma is a tumor of mesenchymal origin of smooth, malignant, slow-growing muscles. The present study reports a case of duodenal leiomyosarcoma in Labrador dog. A 6 year old black female Labrador dog with history off feed, vomition and melena brought for necropsy examination. Gross lesions revealed tennis ball size tumorus mass at the initial portion of duodenum resulting into the obstruction of intestinal lumen. Microscopically, duodenum with tumours mass revealed smooth muscle bundles arranged in all the directions having elongated blunt ended nuclei along with numerou

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5

Bhowmick, Anisha, Sourapriya Mukherjee, and Goutam Paul. "Erythrosine Inhibits the Contractile Function of Duodenal Visceral Smooth Muscle of Rat Ex Vivo by Augmenting the Nitrergic Signaling Pathway." International Journal of Research and Review 11, no. 8 (2024): 583–90. http://dx.doi.org/10.52403/ijrr.20240862.

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Erythrosine, a poly-iodinated xanthene dye, extensively used as a dye in foods, cosmetics and pharmaceuticals. Because of its stability and bright persistent color, it is widely used as a food coloring agent in the food industry. Despite being reported of its toxicity by some researchers, it is widely used in food to attract customers. As a result, people are often exposed to Erythrosine by consuming Erythrosine contaminated food. Therefore, the aim of the study was to determine how Erythrosine affected the contractile activity and motility of the duodenum, an important component of the small

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6

Sperti, C., C. Pasquali, F. Di Prima, R. Baffa, and S. Pedrazzoli. "Duodenal Leiomyosarcoma Mimicking a Pancreatic Pseudocyst." HPB Surgery 8, no. 1 (1994): 49–52. http://dx.doi.org/10.1155/1994/71873.

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A case of duodenal leiomyosarcoma presenting as a cystic mass is reported. Amylase, tumour markers levels in the cyst fluid and radiological findings suggested an inflammatory pancreatic pseudocyst. Exploratory laparotomy and frozen section examination showed a smooth muscle tumour of the duodenum. Pancreatoduodenectomy with pylorus-preser vation was performed and the patient remained symptom-free at 8 months follow-up.

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7

Sababi, M., A. Hallgren, and O. Nylander. "Interaction between prostanoids, NO, and VIP in modulation of duodenal alkaline secretion and motility." American Journal of Physiology-Gastrointestinal and Liver Physiology 271, no. 4 (1996): G582—G590. http://dx.doi.org/10.1152/ajpgi.1996.271.4.g582.

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The relation between duodenal motility and duodenal mucosal alkaline secretion (DMAS) was examined in anesthetized rats. The duodenum was perfused with saline, and DMAS was determined by titration. Duodenal motility, assessed by intraluminal pressure measurements, was induced by indomethacin and/or N omega-nitro-L-arginine methyl ester (L-NAME) and inhibited by iloprost or vasoactive intestinal peptide (VIP). Six of 66 rats showed spontaneous duodenal contractions. Basal DMAS was higher in these rats than in those without contractions. Rats treated with indomethacin and L-NAME before abdominal

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8

Chaplin, S. B., and G. E. Duke. "Effect of denervation of the myenteric plexus on gastroduodenal motility in turkeys." American Journal of Physiology-Gastrointestinal and Liver Physiology 259, no. 3 (1990): G481—G489. http://dx.doi.org/10.1152/ajpgi.1990.259.3.g481.

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The effect of denervation of portions of the myenteric plexus on initiation and coordination of gastric and duodenal contractions was examined in domestic turkeys. Three areas of the muscular stomach (MS), the isthmus between the glandular stomach (GS) and MS, and the pylorus were denervated by application of 1% benzalkonium chloride. Motor activity of the gastroduodenal organs was monitored for 1 h every other day for 13 days using strain gauge transducers implanted at selected sites. Denervation of the isthmus reduced the frequency of MS and duodenal contractions by 50% and abolished GS cont

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9

Hussain, F., H. Sonani, C. Anderson, and N. Varshney. "Duodenal Duplication Cyst in adult male; An Extremely Rare Entity and a Diagnostic Pitfall leading to Whipple procedure." American Journal of Clinical Pathology 156, Supplement_1 (2021): S56—S57. http://dx.doi.org/10.1093/ajcp/aqab191.116.

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Abstract Introduction/Objective Whipple procedure is a complex, invasive operation and has high morbidity and mortality. It is the most commonly indicated treatment for treating malignant tumors, however, it can be also used for benign entities as well including biliary stricture, chronic pancreatitis, choledochal cyst, inflammatory pseudotumour, and duodenal angiodysplasia. Methods/Case Report We report a case of a 50-year-old man who presented with symptoms of gastric outlet obstruction. Esophagogastroduodenoscopy and CT scan showed an obstruction at the level of the second part of the duode

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10

Ollenschläger, G., K. Langer, H. M. Steffen, et al. "Intracellular free amino acid patterns in duodenal and colonic mucosa." Clinical Chemistry 36, no. 2 (1990): 378–81. http://dx.doi.org/10.1093/clinchem/36.2.378.

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Abstract We report for the first time the concentrations of free amino acids in human intestinal biopsies obtained by routinely performed endoscopy. We studied 15 medical patients with no changes of the mucosa and six HIV-infected persons with duodenitis. The mean (and SD) sum of all amino acids, taurine excepted, was 61.9 (5.4) mmol/kg dry weight in duodenal biopsies of HIV-negative subjects (n = 11) and 82.9 (0.6) mmol/kg in colonic specimens: 50% (44%) of the total (minus taurine) consisted of aspartate and glutamate and 14% (12%), of the essential amino acids. The relative amino acid patte

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11

Porcher, Christophe, Aurélie Juhem, André Peinnequin, Valérie Sinniger, and Bruno Bonaz. "Expression and effects of metabotropic CRF1 and CRF2 receptors in rat small intestine." American Journal of Physiology-Gastrointestinal and Liver Physiology 288, no. 5 (2005): G1091—G1103. http://dx.doi.org/10.1152/ajpgi.00302.2004.

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Corticotropin-releasing factor (CRF)-like peptides mediate their effects via two receptor subtypes, CRF1 and CRF2; these receptors have functional implication in the motility of the stomach and colon in rats. We evaluated expression and functions of CRF1 and CRF2 receptors in the rat small intestine (i.e., duodenum and ileum). CRF1–2-like immunoreactivity (CRF1–2-LI) was localized in fibers and neurons of the myenteric and submucosal ganglia. CRF1–2-LI was found in nerve fibers of the longitudinal and circular muscle layers, in the mucosa, and in mucosal cells. Quantitative RT-PCR showed a str

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12

Nonoyama, Keisuke, Hidehiko Kitagami, Akira Yasuda, et al. "A Giant Duodenal Leiomyoma Showing Increased Uptake on 18F-Fluorodeoxyglucose Positron Emission Tomography." Case Reports in Surgery 2018 (September 9, 2018): 1–5. http://dx.doi.org/10.1155/2018/7827163.

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Background. Although 18F-fluorodeoxyglucose positron emission tomography (FDG-PET/CT) is now widely used in their differential diagnosis, it is sometimes difficult to distinguish between benign and malignant diseases. Case Presentation. A 44-year-old woman was found to have abnormalities on health screening. Magnetic resonance imaging for detailed examination showed an intra-abdominal tumor measuring 12 cm in the major axis near the cranial end of the uterus. Upper gastrointestinal tract endoscopy showed a tumor with an ulcer in the third part of the duodenum, involving half the circumference.

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13

Araújo-Filho, Irami, Amália Cínthia Meneses Rêgo, José Brandão-Neto, et al. "Biodistribution of the radiopharmaceutical sodium pertechnetate after biliopancreatic bypass with a duodenal switch." Brazilian Archives of Biology and Technology 50, spe (2007): 189–97. http://dx.doi.org/10.1590/s1516-89132007000600024.

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Study with the purpose to examine the effects of duodenal switch (DS), regularly performed in morbidly obese patients, on biodistribution of sodium pertechnetate in several organs of rats. There was no early or late mortality in either rats groups. The values of percent radioactivity per gram of tissue (%ATI/g), showed no significant difference in liver, stomach, small bowel, duodenum, kidney, heart, bladder, bone and brain, when compared the DS rats with sham and controls rats. A postoperative significant increase (p<0.05) in mean %ATI/g levels was observed in spleen, pancreas and muscle i

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Stradiotti, Kamila Motta, Felipe Pires Albuquerque, and Maria Laura Silveira de Castro. "Hiperplasia da glândula de Brunner mimetizando tumor gastrointestinal / Brunner’s gland hyperplasia mimetizing gastrointestinal tumor." Arquivos Médicos dos Hospitais e da Faculdade de Ciências Médicas da Santa Casa de São Paulo 65, no. 1 (2020): 1. http://dx.doi.org/10.26432/1809-3019.2020.65.019.

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Introdução: A hiperplasia da glândula de Brunner é uma lesão proliferativa rara e benigna das glândulas de Brunner, glândulas exócrinas localizadas no duodeno, e juntamente com o hamartoma, representam cerca de 5-10% dos tumores duodenais. A nomenclatura sobre essas lesões ainda não está bem estabelecida na literatura, podendo causar dificuldade diagnóstica. A proliferação anormal das glândulas de Brunner é classificada como hiperplasia, contendo múltiplas pequenas lesões polipóides ou nodulares ao longo do duodeno, menores que 5mm. O hamartoma é definido como massa solitária que contém uma mi

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15

Tan, Zhenjun T., Matthew Ward, Robert J. Phillips, et al. "Stomach region stimulated determines effects on duodenal motility in rats." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 320, no. 3 (2021): R331—R341. http://dx.doi.org/10.1152/ajpregu.00111.2020.

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Gastric electrical stimulation (GES) is used clinically to promote proximal GI emptying and motility. In acute experiments, we measured duodenal motor responses elicited by GES applied at 141 randomly chosen electrode sites on the stomach serosal surface. Overnight-fasted (H2O available) anesthetized male rats ( n = 81) received intermittent biphasic GES for 5 min (20-s-on/40-s-off cycles; I = 0.3 mA; pw = 0.2 ms; 10 Hz). A strain gauge on the serosal surface of the proximal duodenum of each animal was used to evaluate baseline motor activity and the effect of GES. Using ratios of time blocks

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16

Won, Yoo Dong, Su Lim Lee, and Kyung Jin Seo. "Unusual Duodenal Ulcer: Metastatic Urothelial Carcinoma of the Renal Pelvis." Diagnostics 13, no. 14 (2023): 2455. http://dx.doi.org/10.3390/diagnostics13142455.

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Metastatic urothelial carcinoma of the renal pelvis (MUCP), a type of metastatic upper tract urothelial carcinoma (MUTUC), is a rare malignancy, and some patients with MUCP present with distant metastasis at the time of diagnosis. MUCP in the gastrointestinal tract is even rarer. Herein, we report a 78-year-old man with MUCP that presented as a duodenal ulcer. He complained of anorexia, dizziness, and melena for one month. Endoscopic examination at a local clinic revealed a duodenal hemorrhagic and ulcerative lesion, and the patient was referred. He noted dark-colored stools with increasing fr

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17

Petrikov, S. S., V. V. Kiselev, M. S. Zhigalova, R. Sh Muslimov, P. A. Yartsev, and L. T. Khamidova. "Lumbar muscle density as a prognostic marker of nutritional deficiency in patients with pancreatic necrosis complicated by external duodenal fistulas: a pilot study." Pirogov Russian Journal of Surgery, no. 7 (July 1, 2025): 46. https://doi.org/10.17116/hirurgia202507146.

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Objective. To assess severity of catabolism in patients with pancreatic necrosis complicated by external duodenal fistulas considering CT data of lumbar muscle density. Material and methods. A retrospective non-randomized pilot study included 11 patients (7 men (63.6%) and 4 women (36.4%)) diagnosed with severe acute pancreatitis and pancreatic necrosis. Late phase of disease was complicated by external duodenal fistulas in all patients. Mean age of patients ranged from 34 to 88 years (49 (34; 88) years). All patients were retrospectively assessed for lumbar muscle density at the level of the

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Stojanović, Marija, Ljiljana Šćepanović, Dušan Mitrović, et al. "Different pathways involved in the stimulatory effects of homocysteine on rat duodenal smooth muscle." Acta Veterinaria 67, no. 2 (2017): 254–70. http://dx.doi.org/10.1515/acve-2017-0021.

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Abstract Recent studies have confirmed that hyperhomocysteinemia is associated with gastrointestinal diseases; however, the direct effect of homocysteine on gastrointestinal reactivity still remains unknown. The aim of this study was to demonstrate how homocysteine may affect nitric oxide mediated duodenal relaxation and whether cholinergic receptors and K+ channels take part in stimulating motility, as well as to explore whether oxidative stress is associated with homocysteine-mediated effects. Experiments were carried out on male rats, body mass 250-300 g. Two groups of animals were treated

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Gregersen, H., K. Kraglund, and J. C. Djurhuus. "Variations in duodenal cross-sectional area during the interdigestive migrating motility complex." American Journal of Physiology-Gastrointestinal and Liver Physiology 259, no. 1 (1990): G26—G31. http://dx.doi.org/10.1152/ajpgi.1990.259.1.g26.

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A probe for measurement of intestinal cross-sectional area (CA) was used to elucidate variations of human gut CA during the interdigestive migrating motility complex (MMC). A balloon was inflated by saline at a pressure of 1 kPa, and variations of balloon CA (BCSA) were measured by means of the field-gradient principle. Duodenal phasic activity was measured by perfused side holes proximal to, distal to, and inside the balloon. In vitro characterization of probe performance showed that static measurement of BCSA was very accurate regardless of the configuration of the balloon. However, during d

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Pohoreski, K., K. Pajunen, M. Brundler, and I. Wrobel. "A178 GASTROINTESTINAL STRICTURES IN A PEDIATRIC PATIENT WITH SATOYOSHI SYNDROME." Journal of the Canadian Association of Gastroenterology 7, Supplement_1 (2024): 140. http://dx.doi.org/10.1093/jcag/gwad061.178.

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Abstract Background Satoyoshi syndrome (SS) is a rare, progressive, multisystem disease including muscle spasms, alopecia, skeletal deformities, and diarrhea, with suspected autoimmune etiology. Treatment includes corticosteroids, immunoglobulin therapy, or immunosuppression. Reported endoscopic findings include loss of intestinal folds and nodularity in the stomach and the intestine, with histology showing gastritis cystica polyposa and lymphoplasmacytic infiltrate, as well as fibrosis noted on autopsy reports. To date, no cases of intestinal stricture have been described in SS. Aims To descr

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Spiegel, S., M. Phillipper, H. Rossmann, B. Riederer, M. Gregor, and U. Seidler. "Independence of apical Cl-/HCO3- exchange and anion conductance in duodenal HCO3- secretion." American Journal of Physiology-Gastrointestinal and Liver Physiology 285, no. 5 (2003): G887—G897. http://dx.doi.org/10.1152/ajpgi.00083.2003.

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Reduced gastrointestinal [Formula: see text] secretion contributes to malabsorption and obstructive syndromes in cystic fibrosis. The apical [Formula: see text] transport pathways in these organs have not been defined. We therefore assessed the involvement of apical Cl-/[Formula: see text] exchangers and anion conductances in basal and cAMP-stimulated duodenal [Formula: see text] secretion. Muscle-stripped rat and rabbit proximal duodena were mounted in Ussing chambers, and electrical parameters, [Formula: see text] secretion rates, and 36Cl-, 22Na+, and 3H+ mannitol fluxes were assessed. mRNA

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22

Sissons, J. W., F. R. Bell, C. L. Girard, and J. A. H. Wass. "Nutrient sensitivity of gastric emptying of digesta in the preruminant calf." British Journal of Nutrition 59, no. 2 (1988): 335–43. http://dx.doi.org/10.1079/bjn19880040.

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1. Studies of gastric function were made in preruminant calves fitted with a single abomasal cannula, re-entrant cannulas in the duodenum close to the pylorus and recording electrodes on the pyloric antrum and proximal duodenum.2. Simultaneous measurements were made of gastric emptying of a saline (9 g sodium chloride/1) meal, myoelectric activity of antral muscle and plasma concentration of somatostatin in jugular blood whilst infusing the duodenum with different solutions. The duodenal infusates were isotonic sodium bicarbonate (300 mosmol/kg), hyperosmolar solutions of NaCl (1000 mosmol/kg)

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Gregersen, H., K. Orvar, and J. Christensen. "Biomechanical properties of duodenal wall and duodenal tone during phase I and phase II of the MMC." American Journal of Physiology-Gastrointestinal and Liver Physiology 263, no. 5 (1992): G795—G801. http://dx.doi.org/10.1152/ajpgi.1992.263.5.g795.

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We used a new method, impedance planimetry, to look at variations in compliance, tone, and distension-induced peristaltic activity during phase I and phase II of the migrating myoelectric complex (MMC) in the human duodenum. A balloon was inflated stepwise with pressures up to 30 cmH2O in the duodenum, while the pressure and balloon cross-sectional area (CSA) were measured simultaneously. The biomechanical wall parameters were calculated from these measurements. Nine duodenal phase IIIs were recorded in six subjects. A balloon pressure of 20 cmH2O induced a smaller CSA in early phase I [266 (2

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Ziaja, Damian, Grzegorz Biolik, Jerzy Chudek, and Krzysztof Ziaja. "Purulent Cutaneous Fistula: As the First Symptom of the Late Aortic Stent-Graft Infection—A Case Report and Review of the Literature." Case Reports in Surgery 2013 (2013): 1–4. http://dx.doi.org/10.1155/2013/421780.

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Purpose. Aortic stent-graft infection with fistula formation is a rare complication with high mortality rate when treated surgically by stent-graft removal. We report a case of a patient with aortic stent-graft infection, prosthetic-duodenal, and prosthetic-cutaneous fistulas operated without the removal of an infected prosthesis and ineffectively tailored antibiotic therapy.Case Report. A 66-year-old patient with high cardiovascular risk and endovascular stent-graft implantation developed a symptomatic infection of the aortic stent graft 42 months after procedure. It was manifested by iliolum

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Allescher, H. D., E. E. Daniel, J. Dent, and J. E. Fox. "Inhibitory function of VIP-PHI and galanin in canine pylorus." American Journal of Physiology-Gastrointestinal and Liver Physiology 256, no. 4 (1989): G789—G797. http://dx.doi.org/10.1152/ajpgi.1989.256.4.g789.

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Contractions of canine pylorus and adjacent muscles were recorded with antral and duodenal strain gauges and a Dent sleeve manometric assembly with additional side holes in the pylorus. In vivo, vasoactive intestinal polypeptide (VIP) and peptide histamine isoleucine (PHI) given through the gastroepiploic artery inhibited both spontaneous and acetylcholine-induced pyloric contractions, before and after neural blockade with tetrodotoxin. Galanin inhibited only nerve-stimulated contractions. VIP greater than PHI much greater than galanin inhibited pyloric motor activity initiated by field stimul

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Schimidt, Luciano Rodrigues, Edson José Cardoso, Rogério Rodrigues Schimidt, et al. "The use of amniotic membrane in the repair of duodenal wounds in Wistar rats." Acta Cirurgica Brasileira 25, no. 1 (2010): 18–23. http://dx.doi.org/10.1590/s0102-86502010000100006.

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Purpose: In the search of a new material to repair duodenal wounds, a trial was conducted to assess the behavior of human amniotic membrane in the repair of the duodenal wall in rats. METHODS: Fifty Wistar rats weighing between 250 and 350g, male, were submitted to duodenotomy and randomly distributed into two groups. Group A (n=8) had no treatment and was used as the control group. In Group B (n=42) the duodenal wound was treated with a patch of human amniotic membrane. RESULTS: All animals in Group A died. In Group B no changes were observed with regards to death or the formation of duodenal

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Ryabtseva, V. I., S. S. Pirogov, I. B. Perfiliev, et al. "Endoscopic diagnosis and treatment of duodenal neuroendocrine tumours: the experience of the P.A. Hertsen Moscow Oncology Research Institute." Siberian journal of oncology 24, no. 2 (2025): 93–100. https://doi.org/10.21294/1814-4861-2025-24-2-93-100.

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The aim of the study was to analyze the results of endoscopic diagnosis and treatment of patients with duodenal neuroendocrine tumors. Material and Methods. From 2012 to 2024, 20 patients diagnosed with duodenal neuroendocrine tumors were examined, and some of them were treated at the Endoscopy Department of P.A. Herzen Moscow Oncology Research Institute. The median age of the patients was 61 years. Tumors were assessed by the following parameters: location, size, pit and vascular pattern, presence of subepithelial vessels, endosonographic structure, depth of invasion, tumor grade, and the typ

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Gharaibeh, Kamel A., Arnaldo Lopez-Ruiz, and Tauqeer Yousuf. "Psoas Muscle Infiltration Masquerading Distant Adenocarcinoma." Case Reports in Gastrointestinal Medicine 2014 (2014): 1–5. http://dx.doi.org/10.1155/2014/986453.

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Malignant metastasis to the psoas muscle is rare. We report a case that clinically mimicked psoas abscess that was subsequently proven to be from metastatic disease secondary to adenocarcinoma of the duodenum. A 62-year-old male presented with a seven-month history of right lower quadrant abdominal pain and progressive dysphagia. CT scan of abdomen-pelvis revealed a right psoas infiltration not amenable to surgical drainage. Patient was treated with two courses of oral antibiotics without improvement. Repeated CT scan showed ill-defined low-density area with inflammatory changes involving the

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Padbury, R. T. A., R. A. Baker, J. P. Messenger, J. Toouli, and J. B. Furness. "Structure and Innervation of the Extrahepatic Biliary System in the Australian Possum, Trichosurus Vulpecula." HPB Surgery 7, no. 2 (1993): 125–40. http://dx.doi.org/10.1155/1993/72946.

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The morphology, microanatomy and innervation of the biliary tree of the Australian possum, Trichosurus vulpecula, was examined. The gross morphology of the gallbladder, hepatic and cystic ducts, and the course of the common bile duct, conforms to those of other species. The sphincter of Oddi has an extraduodenal segment that extends 15mm from the duodenal wall; within this segment the pancreatic and common bile ducts are ensheathed together by sphincter muscle. Their lumens unite to form a common channel within the terminal intraduodenal segment.Nerve cell bodies of the gallbladder were found

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Valero, Marta Sofía, Mariano Ramón-Gimenez, Javier Lozano-Gerona, et al. "KCa3.1 Transgene Induction in Murine Intestinal Epithelium Causes Duodenal Chyme Accumulation and Impairs Duodenal Contractility." International Journal of Molecular Sciences 20, no. 5 (2019): 1193. http://dx.doi.org/10.3390/ijms20051193.

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Abstract: The epithelial intermediate-conductance calcium/calmodulin-regulated KCa3.1 channel is considered to be a regulator of intestine function by controlling chloride secretion and water/salt balance. Yet, little is known about the functional importance of KCa3.1 in the intestinal epithelium in vivo. Our objective was to determine the impact of epithelial-specific inducible overexpression of a KCa3.1 transgene (KCa3.1+) and of inducible suppression (KCa3.1−) on intestinal homeostasis and function in mice. KCa3.1 overexpression in the duodenal epithelium of doxycycline (DOX)-treated KCa3.1

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Sunarno, Sunarno, Solikhin Solikhin, and Kustopo Budiraharjo. "Histomorphometry of the Duodenum of Ducks (Anas platyrhyncos) after Administration of Nanochitosan in Feed." Biosaintifika: Journal of Biology & Biology Education 13, no. 3 (2021): 267–74. http://dx.doi.org/10.15294/biosaintifika.v13i3.32120.

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Poultry farming business has several problems such as lack of availability on raw materials, expensive feed prices, and egg production that is not optimal. To overcome the problem of high feed prices and duck productivity, we need to add feed additives such as nanochitosan. Poultry farming business has several problems such as lack of availability on raw materials, expensive feed prices, and egg production that is not optimal. To overcome the problem of high feed prices and duck productivity, we need to add feed additives such as nanochitosan. This study aimed to analyze the effect of nanochit

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Kuznetsov, A., L. Smelysheva, O. Arkhipova, A. Moskovkin та N. Sazhina. "STOMACH SECRETORY FUNCTION UNDER MUSCLE LOAD IN THE CONDITIONS OF PHARMACOLOGICAL BLOCADE OF M-CHOLINORECEPTORS AND β-ADRENOCEPTORS". Human Sport Medicine 19, S1 (2019): 50–60. http://dx.doi.org/10.14529/hsm19s107.

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Aim. The article deals with establishing the effect of muscle load on the stomach secretory function in the conditions of partial pharmacological blockade of M-cholinoreceptors and β-adrenoceptors in patients with duodenal acidification. Materials and methods. 22 males aged 18–23 years participated in the study. The stomach secretory function at rest under a 30-minute cycle ergometer load of 36 900 kgm combined with a partial pharmacological blockade of M-cholinoreceptors (1.5 mg per kg of body mass) and β-adrenoceptors (0.6 mg obsidan per kg of body mass) was studied using gastric and gastrod

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Moon, Young-Lae, Ki Yong Ahn, Sung Pyo Moon, Sung-Chul Lim, and Gorthi Venkat. "Subscapularis muscle metastases of duodenal adenocarcinoma: A case report." Journal of Shoulder and Elbow Surgery 19, no. 2 (2010): e18-e21. http://dx.doi.org/10.1016/j.jse.2009.09.003.

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Nowak, Thomas V., and Sinn Anuras. "Effect of substance P on opossum duodenal smooth muscle." Digestive Diseases and Sciences 30, no. 7 (1985): 664–68. http://dx.doi.org/10.1007/bf01308416.

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Min, Susie, Debra W. Yen, and Gail L. Bongiovanni. "Gastrointestinal Vasculitis in Adult Patient With Dermatomyositis Presenting as Hematemesis." ACG Case Reports Journal 11, no. 9 (2024): e01495. http://dx.doi.org/10.14309/crj.0000000000001495.

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ABSTRACT Dermatomyositis (DM) is an inflammatory disease of the muscles and skin. Severe gastrointestinal (GI) involvement, characterized by GI bleeding and perforation secondary to underlying vasculopathy, is rarely seen. We describe a case of newly diagnosed DM in a 75-year-old woman who presented with a rash and muscle weakness. She then had sudden onset of hematemesis and was found to have duodenal ulcers due to leukocytoclastic vasculitis from her DM. Our aim was to highlight the need for recognition of GI involvement in adults with DM.

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Mea, Arsene, K.J. Kouakou, K.J.C. Abo, K.J Nguessan, Bi J.S. Irie, and Bi G.P. Kahou. "MYOSTIMULANT EFFECT OF LEAVES OF CASSIA OCCIDENTALIS (CAESALPINIACEAE) ON ISOLATED RABBIT DUODENUM." Cassia Occidentalis; Myostimulant; Duodenal Muscle; Atropine. 5, no. 4 (2017): 301–10. https://doi.org/10.5281/zenodo.573001.

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The fresh leaves of Cassia occidentalis are used in the African pharmacopoeia to treat constipation and malaria. This practice is not recommended for pregnant women. In traditional medicine the fresh leaves used in enema would have abortive properties. In this work, the aqueous extract of dry leaves of Cassia occidentalis (AECo) is added to the Mc Ewan type physiological solution containing the isolated intestine muscle which is suspended between two shaped stainless steel hooks. Doses of AECo less than 10-2 mg / ml have no significant effect on duodenal contractions. For doses between 10-1 mg

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Barta, Bence Pál, Benita Onhausz, Abigél Egyed-Kolumbán та ін. "Intestinal Region-Dependent Impact of NFκB-Nrf Crosstalk in Myenteric Neurons and Adjacent Muscle Cells in Type 1 Diabetic Rats". Biomedicines 12, № 10 (2024): 2347. http://dx.doi.org/10.3390/biomedicines12102347.

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Background/Objectives: Type 1 diabetes affects cytokines as potential inducers of NFκB signalling involved in inflammation and neuronal survival. Our goal was to assess the expression of NFκB p65 and its negative regulator, Nrf2, in myenteric neurons and adjacent smooth muscle of different gut segments after chronic hyperglycaemia and immediate insulin treatment. Methods: After ten weeks of hyperglycaemia, intestinal samples of control, streptozotocin-induced diabetic and insulin-treated diabetic rats were prepared for fluorescent immunohistochemistry, immunogold electron microscopy, ELISA and

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Lee, J., BP Treloar, and ND Grace. "Metallothionein and trace element metabolism in sheep tissues in response to high and sustained zinc dosages. 2. Expression of metallothionein m-RNA." Australian Journal of Agricultural Research 45, no. 2 (1994): 321. http://dx.doi.org/10.1071/ar9940321.

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Increased dietary zinc (Zn) influences metallothionein (MT) expression in sheep, which in turn effects changes in the regulation of both Zn and copper (Cu) tissue uptake. Romney wether sheep were given ZnO on a regular basis, as required in protocols for the treatment of facial eczema, at either 12 g ZnO fortnight-1 or 12 g ZnO week-1, and the effect of Zn on MT-Ia and -II mRNA expression in liver, kidney, duodenal, muscle and skin tissue was compared with those of untreated animals. Tissue concentrations of Cu, iron (Fe), manganese (Mn) and Zn were determined by plasma emission spectrometry.

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Skrzep-Poloczek, Bronisława, Dominika Stygar, Elżbieta Chełmecka, et al. "Antioxidant Status in the Soleus Muscle of Sprague-Dawley Rats in Relation to Duodenal-Jejunal Omega Switch and Different Dietary Patterns." Oxidative Medicine and Cellular Longevity 2018 (July 8, 2018): 1–12. http://dx.doi.org/10.1155/2018/3795070.

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Background. Obesity and chronic ingestion of lipid-rich meals are related to an enhanced oxidative stress (OS). Aims. To examine the influence of duodenal-jejunal omega switch surgery in combination with different diets on the antioxidative status in the soleus muscle of rats. Methods. After 8 weeks on a high-fat diet (HF) or control diet (CD), rats underwent duodenal-jejunal omega switch (DJOS) or SHAM (control) surgery. After surgery, for the next 8 weeks, half of DJOS/SHAM animals were kept on the same diet as before, and half had a changed diet. The total superoxide dismutase (SOD), catala

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Kokoszyński, Dariusz, Kamil Stęczny, Joanna Żochowska-Kujawska, et al. "Carcass Characteristics, Physicochemical Properties, and Texture and Microstructure of the Meat and Internal Organs of Carrier and King Pigeons." Animals 10, no. 8 (2020): 1315. http://dx.doi.org/10.3390/ani10081315.

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Pigeons have been the subject of research in the past, but the knowledge gained is incomplete and must be extended. The aim of the study was to provide information about differences in carcass weight and measurements, carcass composition, proximate chemical composition, acidity, electrical conductivity, color attributes, the texture, rheological properties and microstructure of the meat, and some biometric characteristics of the digestive system in carrier and King pigeons, and also to determine if the two compared breeds meet the expectations of pigeon meat consumers to the same extent. The s

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Imamura, Takahisa, and Yasunori Kitamoto. "Expression of enteropeptidase in differentiated enterocytes, goblet cells, and the tumor cells in human duodenum." American Journal of Physiology-Gastrointestinal and Liver Physiology 285, no. 6 (2003): G1235—G1241. http://dx.doi.org/10.1152/ajpgi.00198.2003.

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Enteropeptidase (EP) is a serine proteinase and activates trypsinogen to trypsin, thus playing an important role in food digestion. Nevertheless, the localization of EP is still controversial, likely due to a lack of studies using specific antibodies against EP. The aim of this study was to define cellular localization of EP in human duodenum and expression in tumor cells at the duodenal region. Immunohistochemical staining for resected tissues was performed with two antibodies against recombinant EP light and heavy chains, respectively. In situ hybridization was done with two RNA probes that

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Mandrek, Kurt, and Kiril Milenov. "Responses of porcine gastric and duodenal smooth muscle to VIP." Journal of Autonomic Pharmacology 11, no. 6 (1991): 353–64. http://dx.doi.org/10.1111/j.1474-8673.1991.tb00259.x.

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Serio∘, R., A. Postorino, and F. Mulé. "P1 and P2 receptors in the rat duodenal smooth muscle." Pharmacological Research 21 (November 1989): 23–24. http://dx.doi.org/10.1016/s1043-6618(89)80034-9.

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Jeong, Ji Hoon, Mun Chul Yun, Chang Yell Shin, Tai Sang Lee, Hyun Ju Song, and Uy Dong Sohn. "Signaling via Histamine Receptors in Cat Duodenal Smooth Muscle Cells." Molecules and Cells 16, no. 2 (2003): 180–86. http://dx.doi.org/10.1016/s1016-8478(23)13786-1.

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Matsumoto, Ryo, Kengo Kanetaka, Yasuhiro Maruya, et al. "The Efficacy of Autologous Myoblast Sheet Transplantation to Prevent Perforation After Duodenal Endoscopic Submucosal Dissection in Porcine Model." Cell Transplantation 29 (January 1, 2020): 096368972096388. http://dx.doi.org/10.1177/0963689720963882.

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The recent advent of endoscopy has enabled the endoscopic submucosal dissection (ESD) of superficial nonampullary duodenal epithelial tumors. However, the substantially thin wall and presence of bile and pancreatic juice make it technically difficult to perform duodenal ESD without perforation, which leads to lethal complications. The present study evaluated the efficacy of autologous myoblast sheet transplantation for the prevention of late perforation after duodenal ESD in a porcine model. Two weeks before ESD, skeletal muscle was surgically excised from the femur of pigs, and myoblasts were

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Zhang, Yong, Jingchang Ren, Li Chen, et al. "Effects of Equol Supplementation on Growth Performance, Redox Status, Intestinal Health and Skeletal Muscle Development of Weanling Piglets with Intrauterine Growth Retardation." Animals 13, no. 9 (2023): 1469. http://dx.doi.org/10.3390/ani13091469.

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Animals with intrauterine growth retardation (IUGR) usually undergo injured postnatal growth and development during the early period after birth. Equol (Eq), an isoflavan produced by gut bacteria in response to daidzein intake, has various health benefits. Therefore, the objective of this study was to evaluate whether Eq supplementation can influence the growth performance, redox status, intestinal health and skeletal muscle development of weanling piglets with IUGR. A total of 10 normal-birth-weight (NBW) newborn female piglets and 20 newborn female piglets with IUGR were selected. After wean

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Panesar, N. S., and C. W. Poon. "hCG: its pancreatic and duodenal receptors and in vivo electrolyte secretion in female rats." American Journal of Physiology-Gastrointestinal and Liver Physiology 275, no. 6 (1998): G1430—G1436. http://dx.doi.org/10.1152/ajpgi.1998.275.6.g1430.

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A state of fluid flux probably resulting from ion movement across the plasma membrane occurs during early pregnancy or trophoblastic disease, manifesting as emesis or hyperemesis gravidarum or hydatidiform moles. In emesis or hyperemesis gravidarum, excessive secretion induced by a humoral agent may trigger vomiting by distending and activating the gastrointestinal (GI) tract mechanoreceptors. This agent may be human chorionic gonadotropin (hCG). High-affinity hCG binding sites similar to those in the ovary were found in the duodenum and pancreas of female rats, with dissociation constant valu

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de Siqueira, Rodrigo J. B., Walter B. S. Freire, Alfredo A. Vasconcelos-Silva та ін. "In-vitro characterization of the pharmacological effects induced by (–)-α-bisabolol in rat smooth muscle preparations". Canadian Journal of Physiology and Pharmacology 90, № 1 (2012): 23–35. http://dx.doi.org/10.1139/y11-094.

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The present study deals with the pharmacological effects of the sesquiterpene alcohol (–)-α-bisabolol on various smooth-muscle preparations from rats. Under resting tonus, (–)-α-bisabolol (30–300 µmol/L) relaxed duodenal strips, whereas it showed biphasic effects in other preparations, contracting endothelium-intact aortic rings and urinary bladder strips, and relaxing these tissues at higher concentrations (600–1000 µmol/L). In preparations precontracted either electromechanically (by 60 mmol/L K+) or pharmacomechanically (by phenylephrine or carbachol), (–)-α-bisabolol showed only relaxing p

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Alvarenga, A. L. N., H. Chiarini-Garcia, P. C. Cardeal, et al. "Intra-uterine growth retardation affects birthweight and postnatal development in pigs, impairing muscle accretion, duodenal mucosa morphology and carcass traits." Reproduction, Fertility and Development 25, no. 2 (2013): 387. http://dx.doi.org/10.1071/rd12021.

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The present study investigated the occurrence of intra-uterine growth retardation (IUGR) in newborn (n = 40) and 150-day-old (n = 240) pigs of different birthweight ranges (high, HW: 1.8–2.2 kg; low, LW: 0.8–1.2 kg) from higher-parity commercial sows and its impact on their subsequent development and carcass traits in a Brazilian commercial production system. HW newborn pigs had heavier organs than LW pigs (P < 0.01), and all brain : organ weight ratios were higher (P < 0.01) in LW compared with HW offspring, providing strong evidence of IUGR in the LW piglets. HW pigs had higher bodywei

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Jukes, Alison, Marcus Gunew, and Rhett Marshall. "Severe muscle fasciculations and tremor in a cat with hypochloraemic metabolic alkalosis secondary to duodenal obstruction." Journal of Feline Medicine and Surgery Open Reports 3, no. 1 (2017): 205511691668642. http://dx.doi.org/10.1177/2055116916686427.

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Case summary An 18-month-old, female spayed, Australian Mist cat presented with a 24 h history of muscle tremors and inappetence progressing to collapse with generalised muscle fasciculations. The cat was diagnosed with a hypochloraemic metabolic alkalosis due to a duodenal foreign body found to be a trichobezoar at coeliotomy. The cat made a complete recovery after enterotomy to remove the trichobezoar, with cessation of neuromuscular clinical signs and normalisation of its electrolyte and acid–base imbalances. Relevance and novel information Muscle fasciculations and tremors in cats can be c

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