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Manometry

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https://www.readbyqxmd.com/read/29235207/discriminating-movements-of-liquid-and-gas-in-the-rabbit-colon-with-impedance-manometry
#1
R Mohd Rosli, R E Leibbrandt, L Wiklendt, M Costa, D A Wattchow, N J Spencer, S J Brookes, T I Omari, P G Dinning
BACKGROUND: High-resolution impedance manometry is a technique that is well established in esophageal motility studies for relating motor patterns to bolus flow. The use of this technique in the colon has not been established. METHODS: In isolated segments of rabbit proximal colon, we recorded motor patterns and the movement of liquid or gas boluses with a high-resolution impedance manometry catheter. These detected movements were compared to video recorded changes in gut diameter...
December 13, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/29234939/the-role-of-preoperative-high-resolution-manometry-in-predicting-dysphagia-after-laparoscopic-nissen-fundoplication
#2
Sonam Kapadia, Turner Osler, Allen Lee, Edward Borrazzo
BACKGROUND: Laparoscopic fundoplication is an accepted surgical management of refractory gastro-esophageal reflux disease (GERD). The use of high resolution esophageal manometry (HRM) in preoperative evaluation is often applied to determine the degree of fundoplication to optimize reflux control while minimizing adverse sequela of postoperative dysphagia. OBJECTIVE: Assess the role of preoperative HRM in predicting surgical outcomes, specifically risk assessment of postoperative dysphagia and quality of life, among patients receiving laparoscopic Nissen fundoplication for GERD with immediate postoperative (< 4 weeks clinic), short-term (3-month clinic), and long-term (34 ± 10...
December 12, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29233059/a-new-manometry-device-for-evaluating-the-sphincter-of-oddi-using-a-fiber-optic-pressure-sensor
#3
Takashi Hanzawa, Tadao Matsunaga, Tomoyuki Koike, Atsushi Kanno, Atsushi Masamune, Katsunori Iijima, Tooru Shimosegawa, Yoichi Haga
INTRODUCTION: Although measuring the pressure of the sphincter of Oddi and the bile duct is considered to be an important examination, called Sphincter of Oddi manometry (SOM), some complications related to the SOM device remain unsolved. MATERIAL AND METHODS: To decrease adverse complications, we developed a 0.46 mm manometry and we performed some in vitro studies. RESULTS: We successfully developed a 0.46 mm SOM. The diameter is the thinnest size used in endoscopic examinations...
December 12, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/29231090/esophageal-dysmotility-in-patients-following-total-laryngectomy
#4
Teng Zhang, Julia Maclean, Michal Szczesniak, Paul P Bertrand, Harry Quon, Raymond K Tsang, Peter I Wu, Peter Graham, Ian J Cook
Objectives Dysphagia is common in total laryngectomees, with some symptoms suggesting esophageal dysmotility. Tracheoesophageal (TE) phonation requires effective esophagopharyngeal air passage. Hence, esophageal dysmotility may affect deglutition or TE phonation. This study aimed to determine (1) the characteristics of esophageal dysmotility in laryngectomees, (2) whether clinical history is sensitive in detecting esophageal dysmotility, and (3) the relationship between esophageal dysmotility and TE prosthesis dysfunction...
November 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29230939/normative-values-and-factors-affecting-water-perfused-esophageal-high-resolution-impedance-manometry-for-a-chinese-population
#5
P-H Tseng, R K M Wong, J-F Wu, C-C Chen, C-H Tu, Y-C Lee, H-C Lee, H-P Wang, M-S Wu
BACKGROUND: Combined esophageal high-resolution impedance manometry (HRIM) measures multiple pressures and bolus transit simultaneously, facilitating detailed assessment of esophageal motility. Currently, normative values for water-perfused HRIM systems for Chinese populations are lacking. METHODS: Healthy volunteers were enrolled for comprehensive anthropometric measures, blood biochemistry tests, and an HRIM study using 22 water-perfused pressure sensors and 12 impedance channels...
December 12, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/29230485/-importance-of-functional-diagnostics-in-gastroenterology
#6
REVIEW
M Hollenbach, A Hoffmeister, J Rosendahl, J Mössner
In this review article important and frequently used investigation methods for gastrointestinal functional diagnostics are presented. Some other rarely used special investigations are also explained. The hydrogen breath test is simple to carry out, ubiquitously available and enables the detection of lactose, fructose and sorbitol malabsorption. Furthermore, by the application of glucose, the test can be carried out when there is a suspicion of abnormal intestinal bacterial colonization and using lactulose for measuring small intestinal transit time...
December 11, 2017: Der Internist
https://www.readbyqxmd.com/read/29218488/effect-of-body-position-on-pharyngeal-swallowing-pressures-using-high-resolution-manometry
#7
Sarah P Rosen, Suzan M Abdelhalim, Corinne A Jones, Timothy M McCulloch
The effect of body position and gravitational pull on the complex pressure-driven process of pharyngeal swallowing remains unknown. Using high-resolution manometry (HRM), this study aims to identify positional adaptations of pharyngeal physiology by evaluating swallowing pressure patterns in a series of inverted body positions. Ten healthy adults each underwent swallowing tasks with pharyngeal HRM at six body positions using an inversion table (0°[upright], 45°, 90°[supine], 110°, 135°, and 180°[fully inverted])...
December 7, 2017: Dysphagia
https://www.readbyqxmd.com/read/29215957/peroral-endoscopic-myotomy-with-endoflip-and-double-endoscope-novel-techniques-for-achalasia-in-pediatric-population
#8
Fanny Yeung, Ian Y H Wong, Patrick H Y Chung, Kenneth K Y Wong, Simon Y K Law, Paul K H Tam
BACKGROUND: Experience of peroral endoscopic myotomy (POEM) for treatment of achalasia in pediatric population is limited with varying techniques in different centers. The accurate extent of submucosal tunneling into the gastric cardia and the adequacy of myotomy are the important determining factors to success of POEM. A majority of studies in pediatric population have described using submucosal dye injection for assessing the adequacy of myotomy, however, this is a rather crude and inaccurate method...
December 7, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29212617/diagnostic-role-of-anal-sphincter-relaxation-integral-in-high-resolution-anorectal-manometry-for-hirschsprung-disease-in-infants
#9
Jia-Feng Wu, Cheng-Hsun Lu, Chia-Hsiang Yang, I-Jung Tsai
OBJECTIVE: To investigate the possible diagnostic role of anal sphincter relaxation integral (ASRI) in high-resolution anorectal manometry (HRAM) for Hirschsprung disease. STUDY DESIGN: We performed conventional anorectal manometry (ARM) in 24 infants (8 with Hirschsprung disease and 16 without Hirschsprung disease) and HRAM in another 21 infants (9 with Hirschsprung disease and 12 without Hirschsprung disease) before and after October 2014. All infants underwent rectal suction biopsy for confirmation of Hirschsprung disease...
December 4, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29209125/transmitted-cardiovascular-pulsations-on-high-resolution-esophageal-impedance-manometry-and-their-significance-in-dysphagia
#10
Naueen A Chaudhry, Kamran Zahid, Sara Keihanian, Yunfeng Dai, Qing Zhang
AIM: To investigate the behavior of pulsatile pressure zones (PPZ's) as noted on high resolution esophageal impedance manometry (HREIM), and determine their association with dysphagia. METHODS: Retrospective, single center case control design screening HREIM studies for cases (dysphagia) and controls (no dysphagia). Thoracic radiology studies were reviewed further in cases for (thoracic cardiovascular) thoracic cardiovascular (TCV) structures in esophageal proximity to compare with HREIM findings...
November 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29208549/the-natural-history-of-achalasia-evidence-of-a-continuum-the-evolutive-pattern-theory
#11
Renato Salvador, Guerrino Voltarel, Edoardo Savarino, Giovanni Capovilla, Elisa Pesenti, Anna Perazzolo, Loredana Nicoletti, Andrea Costantini, Stefano Merigliano, Mario Costantini
BACKGROUND: It is currently unclear if the three manometric patterns of esophageal achalasia represent distinct entities or part of a disease continuum. The study's aims were: a) to test the hypothesis that the three patterns represent different stages in the evolution of achalasia; b) to investigate whether manometric patterns change after Laparoscopic-Heller-Dor (LHD). METHODS: We assessed the patients diagnosed with achalasia who underwent LHD as their first treatment from 1992 to 2016...
November 26, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/29206813/a-randomized-double-blind-placebo-controlled-cross-over-study-using-baclofen-in-the-treatment-of-rumination-syndrome
#12
Ans Pauwels, Charlotte Broers, Brecht Van Houtte, Nathalie Rommel, Tim Vanuytsel, Jan Tack
OBJECTIVES: Both rumination syndrome and supra-gastric belching (SGB) have limited treatment options. We demonstrated (open-label) that baclofen reduces pressure flow events in these patients. We aimed to study the effect of baclofen in a placebo-controlled, double-blind, cross-over study in patients with clinically suspected rumination and/or SGB. METHODS: Twenty tertiary-care patients (mean age 42 years (range 18-61), 13f) with clinically suspected rumination and/or SGB were randomized to receive baclofen (10 mg, t...
December 5, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/29201816/quantitative-analysis-of-swallowing-function-between-dysphagia-patients-and-healthy-subjects-using-high-resolution-manometry
#13
Chul-Hyun Park, Don-Kyu Kim, Yong-Taek Lee, Youbin Yi, Jung-Sang Lee, Kunwoo Kim, Jung Ho Park, Kyung Jae Yoon
Objective: To compare swallowing function between healthy subjects and patients with pharyngeal dysphagia using high resolution manometry (HRM) and to evaluate the usefulness of HRM for detecting pharyngeal dysphagia. Methods: Seventy-five patients with dysphagia and 28 healthy subjects were included in this study. Diagnosis of dysphagia was confirmed by a videofluoroscopy. HRM was performed to measure pressure and timing information at the velopharynx (VP), tongue base (TB), and upper esophageal sphincter (UES)...
October 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29201795/pneumatic-balloon-dilatation-for-achalasia-cardia-outcome-complications-success-and-long-term-follow-up
#14
Sudhir J Gupta, Nitin R Gaikwad, Amol R Samarth, Sonal R Gattewar
Background: Achalasia is a chronic disease that can be managed with effective endoscopic modalities. Aim: To evaluate the effectiveness of single setting of pneumatic balloon dilatation for achalasia and assess the long-term success and outcomes. Materials and methods: This is a retrospective study of all achalasia patients who underwent pneumatic balloon dilatation at our institute. Patients who could be contacted were inquired regarding their symptoms and dysphagia-free interval after dilatation...
July 2017: Euroasian Journal of Hepato-Gastroenterology
https://www.readbyqxmd.com/read/29201792/does-chicago-classification-address-symptom-correlation-with-high-resolution-esophageal-manometry
#15
Mayank Jain, Melpakkam Srinivas, Piyush Bawane, Jayanthi Venkataraman
Aim: To assess the correlation of symptoms with findings on esophageal high-resolution manometry (HRM) in Indian patients. Materials and methods: Prospective data collection of all patients undergoing esophageal manometry was done at two centers in India-Indore and Chennai-over a period of 18 months. Symptom profile of the study group was divided into four: Motor dysphagia, noncardiac chest pain (NCCP), gastroesophageal reflux (GER), and esophageal belchers. The symptoms were correlated with manometric findings...
July 2017: Euroasian Journal of Hepato-Gastroenterology
https://www.readbyqxmd.com/read/29201791/psychological-results-of-438-patients-with-persisting-gastroesophageal-reflux-disease-symptoms-by-symptom-checklist-90-revised-questionnaire
#16
Xia Chen, Ping Li, Fei Wang, Guozhong Ji, Lin Miao, Sihong You
Aims and objectives: Gastroesophageal reflux disease (GERD) affects mental state and social activities. On the contrary, mental disorders may also play a crucial role in GERD symptoms. The purpose of the study was to analyze the data of Symptom Checklist 90-Revised (SCL-90-R) questionnaire from patients with persisting GERD and to explore the impact of psychological factors on them. Materials and methods: The patients accepted SCL-90-R questionnaire survey, following endoscopy, high-resolution manometry (HRM), and ambulatory impedance-pH monitoring...
July 2017: Euroasian Journal of Hepato-Gastroenterology
https://www.readbyqxmd.com/read/29199161/indications-of-24-h-esophageal-ph-monitoring-capsule-ph-monitoring-combined-ph-monitoring-with-multichannel-impedance-esophageal-manometry-radiology-and-scintigraphy-in-gastroesophageal-reflux-disease
#17
Rukiye Vardar, Muharrem Keskin
Ambulatory esophageal pH monitoring is an essential method in patients exhibiting signs of non-erosive reflux disease (NERD) to make an objective diagnosis. Intra-esophageal pH monitoring is important in patients who are non-responsive to medications and in those with extraesophageal symptoms, particularly in NERD, before surgical interventions. With the help of the wireless capsule pH monitoring, measurements can be made under more physiological conditions as well as longer recordings can be performed because the investigation can be better tolerated by patients...
December 2017: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/29193785/contribution-of-hiatal-hernia-to-asthma-in-patients-with-gastroesophageal-reflux-disease
#18
Zhi-Tong Li, Feng Ji, Xin-Wei Han, Lin-Xia Gu, Li Wang, Yong-Qiang Yue, Zhong-Gao Wang
BACKGROUND: To determine the correlation between asthma and hiatal hernia (HH) in patients with gastroesophageal reflux disease (GERD)-related asthma requiring laparoscopic anti-reflux surgery. METHODS: One hundred thirty-six GERD patients with medically refractory asthma with (80 patients) or without HH (56 patients) were enrolled. GERD was assessed by endoscopy, esophageal manometry, reflux monitoring, and symptom questionnaires, and treated with laparoscopic Nissen fundoplication (LNF) or LNF with concomitant hiatal hernia repair (LNF-HHR)...
November 28, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29193439/jackhammer-esophagus-assessing-the-balance-between-prepeak-and-postpeak-contractile-integral
#19
Y Xiao, D A Carlson, Z Lin, N Alhalel, J E Pandolfino
BACKGROUND: We hypothesized that symptoms in Jackhammer esophagus (JH) are associated with an imbalance between the prepeak and postpeak phases of contraction. Thus, we developed a method to distinguish the contractile integral components of prepeak and postpeak phase contractile activity to determine the contribution of each phase and their association with dysphagia. METHODS: Patients diagnosed with JH were enrolled and compared to controls. The first five intact swallows during manometry were analyzed...
November 29, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/29185185/the-long-term-effects-of-the-adjustable-gastric-band-on-esophageal-motility-in-patients-who-present-for-band-removal
#20
Loic Tchokouani, Anusha Jayaram, Naif Alenazi, Gustavo Fernandez Ranvier, Gina Sam, Subhash Kini
BACKGROUND: During the past decade, laparoscopic adjustable gastric banding (LAGB) was one of the most popular surgical procedures in treating morbid obesity. Long-term effects, specifically on esophageal motility, of LAGB have not been well described in the literature despite the high prevalence of reoperations and post-operative dysphagia. We aimed to characterize esophageal dysmotility after long-term follow-up using data of high-resolution esophageal manometry (HRM) performed in patients who presented for LAGB removal...
November 29, 2017: Obesity Surgery
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