간행물

Journal of Neurogastroenterology and Motility update

  • : 대한소화기기능성질환·운동학회(구 대한소화관운동학회)
  • : 의약학분야  >  내과학
  • : KCI등재
  • : SCI,SCOPUS
  • : 연속간행물
  • : 계간
  • : 2093-0879
  • : 2093-0887
  • : 대한소화관운동학회지(~2009)→Journal of Neurogastroenterology and Motility(2010~)

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수록범위 : 1권1호(1994)~26권2호(2020) |수록논문 수 : 1,257
Journal of Neurogastroenterology and Motility
26권2호(2020년 04월) 수록논문
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1Role of the Rapid Drink Challenge Test in Esophageal Motility Disorder Diagnosis

저자 : Li-chang Hsing , Kee Wook Jung

발행기관 : 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 간행물 : Journal of Neurogastroenterology and Motility 26권 2호 발행 연도 : 2020 페이지 : pp. 167-168 (2 pages)

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3Exploring Esophageal Microbiomes in Esophageal Diseases: A Systematic Review

저자 : Chan Hyuk Park , Sang Kil Lee

발행기관 : 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 간행물 : Journal of Neurogastroenterology and Motility 26권 2호 발행 연도 : 2020 페이지 : pp. 171-179 (9 pages)

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Studies that investigated esophageal microbiomes are limited when compared to those on intestinal microbiomes. Nevertheless, several studies have investigated the relationship between esophageal microbiomes and various esophageal diseases, owing to the advancement of next-generation sequencing techniques. Streptococcus is the most common bacterial taxon in a normal esophagus. Additionally, Haemophilus, Neisseria, Prevotella, and Veillonella are also found. However, gram-negative bacteria, including Prevotella, are more abundant in a diseased esophagus, such as in gastroesophageal reflux disease and Barrett's esophagus. This systematic review aims to summarize current evidences on esophageal microbiomes in various esophageal diseases.
(J Neurogastroenterol Motil 2020;26:171-179)

KCI등재 SCI SCOPUS

42019 Seoul Consensus on Esophageal Achalasia Guidelines

저자 : Hye-kyung Jung , Su Jin Hong , Oh Young Lee , John Pandolfino , Hyojin Park , Hiroto Miwa , Uday C Ghoshal , Sanjiv Mahadeva , Tadayuki Oshima , Minhu Chen , Andrew S B Chua , Yu Kyung Cho , Tae Hee Lee ,

발행기관 : 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 간행물 : Journal of Neurogastroenterology and Motility 26권 2호 발행 연도 : 2020 페이지 : pp. 180-203 (24 pages)

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Esophageal achalasia is a primary motility disorder characterized by insufficient lower esophageal sphincter relaxation and loss of esophageal peristalsis. Achalasia is a chronic disease that causes progressive irreversible loss of esophageal motor function. The recent development of high-resolution manometry has facilitated the diagnosis of achalasia, and determining the achalasia subtypes based on high-resolution manometry can be important when deciding on treatment methods. Peroral endoscopic myotomy is less invasive than surgery with comparable efficacy. The present guidelines (the “2019 Seoul Consensus on Esophageal Achalasia Guidelines”) were developed based on evidence-based medicine; the Asian Neurogastroenterology and Motility Association and Korean Society of Neurogastroenterology and Motility served as the operating and development committees, respectively. The development of the guidelines began in June 2018, and a draft consensus based on the Delphi process was achieved in April 2019. The guidelines consist of 18 recommendations: 2 pertaining to the definition and epidemiology of achalasia, 6 pertaining to diagnoses, and 10 pertaining to treatments. The endoscopic treatment section is based on the latest evidence from meta-analyses. Clinicians (including gastroenterologists, upper gastrointestinal tract surgeons, general physicians, nurses, and other hospital workers) and patients could use these guidelines to make an informed decision on the management of achalasia.
(J Neurogastroenterol Motil 2020;26:180-203)

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5Role of Rapid Drink Challenge During Esophageal High-resolution Manometry in Predicting Outcome of Peroral Endoscopic Myotomy in Patients With Achalasia

저자 : Hélène Foisy , Mathieu Pioche , Edouard Chabrun , Thierry Ponchon , Frank Zerbib , Jérôme Rivory , François Mion , Sabine Roman

발행기관 : 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 간행물 : Journal of Neurogastroenterology and Motility 26권 2호 발행 연도 : 2020 페이지 : pp. 204-214 (11 pages)

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Background/Aims
Peroral endoscopy myotomy (POEM) is effective to treat achalasia. We aim to determine POEM effect on esophageal function and search for predictive factors of response to POEM and co-occurrence of gastroesophageal reflux disease (GERD).
Methods
A total of 64 untreated achalasia patients who underwent high-resolution manometry (HRM) before and 3 months after POEM were retrospectively included. Response to treatment was defined as an Eckardt score < 3. Reflux symptoms and patient's satisfaction were evaluated. Data were compared using paired t test, Chi-square test or log rank test.
Results
The 2-year success rate in response to POEM was 90%. All responders reported being satisfied while only 33% of non-responders did (P < 0.001) and 64% of patients with reflux symptoms were satisfied versus 96% of those without (P = 0.009). On HRM, the integrated relaxation pressure and the contractile pattern changed significantly after POEM but were not predictive of response. Between pre and post POEM HRM, a decrease in maximal esophageal pressurization during rapid drink challenge (RDC) was associated with a better response rate than an increase of pressurization (91% vs 50%, P = 0.004). As evidenced by pH monitoring performed after POEM, GERD was pathological or borderline in 50% of patients (18/36) while only 19% (11/59) reported clinically significant reflux symptoms. On post POEM HRM, maximal esophageal pressurization during RDC was lower in patients with pathological or borderline GERD compared to those without (P = 0.054).
Conclusions
Esophageal HRM parameters changed significantly after POEM. Maximal esophageal pressurization during RDC may be useful to predict outcome.
(J Neurogastroenterol Motil 2020;26:204-214)

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6Anti-reflux Surgery Versus Proton Pump Inhibitors for Severe Gastroesophageal Reflux Disease: A Cost-Effectiveness Study in Korea

저자 : Susan Park , Sungsoo Park , Joong-min Park , Soorack Ryu , Jinseub Hwang , Jin-won Kwon , Kyung Won Seo

발행기관 : 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 간행물 : Journal of Neurogastroenterology and Motility 26권 2호 발행 연도 : 2020 페이지 : pp. 215-223 (9 pages)

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Background/Aims
The economic burden for gastroesophageal reflux disease (GERD) has recently increased in Asian countries. This study investigates the cost-effectiveness between anti-reflux surgery and medication, with proton pump inhibitors (PPIs) for GERD in Korea.
Methods
We used a decision tree and Markov model to obtain the costs and quality-adjusted life years (QALYs) of the surgical and medical strategies. Our target cohort was the severe GERD patients aged 50 years old who required a continuous double dose of PPIs. The time horizon was 10 years and all estimates were discounted at 5% per year. The incremental cost-effectiveness ratio of the anti-reflux surgery compared with medication with PPIs was calculated. Sensitivity analyses were performed on all relevant variables.
Results
The cost-utility analysis indicated anti-reflux surgery was more cost-effective than medication among severe GERD patients over a 10- year period. The model predicted that the surgical strategy had a cost savings of $551 and the QALYs had a gain of 1.18 as compared with the medical strategy. The break-even point in costs of the anti-reflux surgery over the medication was estimated to be 9 years. Sensitivity analyses using the varying parameter assumptions demonstrated the robustness of the study results.
Conclusions
This study showed anti-reflux surgery was less expensive and more effective therapy over the PPI medication after 9 years of follow-up. This suggests the surgical strategy is a cost-effective alternative to PPI medication among patients who need long-term management for GERD in Korea.
(J Neurogastroenterol Motil 2020;26:215-223)

KCI등재 SCI SCOPUS

7Gastroesophageal Reflux Disease Is Not Associated With Jackhammer Esophagus: A Case-control Study

저자 : Matthew Woo , Andy Liu , Lynn Wilsack , Dorothy Li , Milli Gupta , Yasmin Nasser , Michelle Buresi , Michael Curley , Christopher N Andrews

발행기관 : 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 간행물 : Journal of Neurogastroenterology and Motility 26권 2호 발행 연도 : 2020 페이지 : pp. 224-231 (8 pages)

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Background/Aims
The pathophysiology of jackhammer esophagus (JE) remains unknown but may be related to gastroesophageal reflux disease or medication use. We aim to determine if pathologic acid exposure or the use of specific classes of medications (based on the mechanism of action) is associated with JE.
Methods
High-resolution manometry (HRM) studies from November 2013 to March 2019 with a diagnosis of JE were identified and compared to symptomatic control patients with normal HRM. Esophageal acid exposure and medication use were compared between groups. Multivariate regression analysis was performed to look for predictors of mean distal contractile integral.
Results
Forty-two JE and 127 control patients were included in the study. Twenty-two (52%) JE and 82 (65%) control patients underwent both HRM and ambulatory pH monitoring. Two (9%) JE patients and 14 (17%) of controls had evidence of abnormal acid exposure (DeMeester score > 14.7); this difference was not significant (P = 0.290). Thirty-six (86%) JE and 127 (100%) control patients had complete medication lists. Significantly more JE patients were on long-acting beta agonists (LABA) (JE = 5, control = 4; P = 0.026) and calcium channel blockers (CCB) (JE = 5, control = 3; P = 0.014). Regular opioids (β = 0.298, P = 0.042), CCB (β = 0.308, P = 0.035), and inhaled anticholinergics (β = 0.361, P = 0.049) predicted mean distal contractile integral (R2 = 0.082, F = 4.8; P = 0.003).
Conclusions
Pathologic acid exposure does not appear to be associated with JE. JE patients had increased CCB and LABA use. The unexpected finding of increased LABA use warrants more investigation and may provide support for a cholinergic etiology of JE.
(J Neurogastroenterol Motil 2020;26:224-231)

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8Mosapride Improves Lower Esophageal Sphincter and Esophageal Body Function in Patients With Minor Disorders of Esophageal Peristalsis

저자 : Sung Eun Kim , Moo In Park , Seun Ja Park , Won Moon , Jae Hyun Kim , Kyoungwon Jung , Hye Jung Kwon , Gyung Mi Kim , Hee Kyoung Joo

발행기관 : 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 간행물 : Journal of Neurogastroenterology and Motility 26권 2호 발행 연도 : 2020 페이지 : pp. 232-240 (9 pages)

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Background/Aims
High-resolution manometry (HRM) has broadened the awareness of minor esophageal peristaltic disorders. However, the treatments for these minor disorders are limited and the role of prokinetics has been controversial. This study evaluates the effect of mosapride in patients with minor peristaltic disorders.
Methods
This study prospectively enrolled 21 patients with esophageal symptoms who were diagnosed with minor peristaltic disorders by gastroscopy and HRM using the Chicago classification version 3.0. Patients received mosapride 30 mg daily for 2 weeks. Symptoms were assessed using the abbreviated World Health Organization quality of life scale (WHOQOL-BREF) and a HRM study was performed before and after 2 weeks of treatment.
Results
HRM metrics of lower esophageal sphincter (LES) respiratory mean pressure (median 14.6 mmHg vs 17.3 mmHg; interquartile range [IQR] 8.7-22.5 mmHg vs 12.5-25.9 mmHg; P = 0.004) and distal contractile integral (median 343.8 mmHg·sec·cm vs 698.1 mmHg·sec·cm; IQR 286.5-795.9 mmHg·sec·cm vs 361.0-1127.6 mmHg·sec·cm; P = 0.048) were significantly increased after treatment. Complete response (≥ 80.0%), satisfactory response (≥ 50.0%), partial response (< 50.0%), and refractory response rates were 19.0%, 52.4%, 14.3%, and 14.3%, respectively. However, there was no statistical difference in all WHOQOL-BREF scores before and after treatment. Univariate analysis showed LES respiratory mean pressure (P = 0.036) was associated with symptom improvement (complete + satisfactory group). However, no statistical difference was found in other factors after multivariate analysis.
Conclusions
Mosapride improved esophageal symptoms and significantly increased LES respiratory mean pressure and distal contractile integral. Therefore, mosapride could enhance LES and esophageal body contraction pressures in patients with minor peristaltic disorders.
(J Neurogastroenterol Motil 2020;26:232-240)

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9Measurement of Esophageal Nocturnal Baseline Impedance: A Simplified Method

저자 : Yoshimasa Hoshikawa , Akinari Sawada , Shirley Sonmez , Kornilia Nikaki , Philip Woodland , Etsuro Yazaki , Daniel Sifrim

발행기관 : 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 간행물 : Journal of Neurogastroenterology and Motility 26권 2호 발행 연도 : 2020 페이지 : pp. 241-247 (7 pages)

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Background/Aims
Mean nocturnal baseline impedance (MNBI) during multichannel intraluminal impedance pH-monitoring (MII-pH) reflects the status of esophageal mucosal integrity. MNBI is suggested as an adjunctive method to distinguish patients with true gastroesophageal reflux disease (GERD) from functional heartburn (FH) and might predict outcomes for anti-reflux treatment. However, current methodology for calculation of MNBI is time-consuming and subject to operator-dependent selection bias. We aim to simplify and provide a more objective method to calculate MNBI.
Methods
We retrospectively analyzed 100 MII-pH tracings from 20 patients with erosive reflux disease, 20 with non-erosive reflux disease (NERD), 20 with reflux hypersensitivity, 20 with functional heartburn (FH), and 20 healthy asymptomatic volunteers. We compared the current “conventional” MNBI analysis with our “simple” MNBI analysis measured by selecting the whole supine period using the impedance average calculation function in the MII-pH software.
Results
Absolute values were very similar and there was a strong correlation between conventional and simple MNBI values in the most distal channel in all groups (r ≥ 0.8, P < 0.001) including patients with increased supine acid reflux. Distal esophageal simple MNBI negatively correlated with acid exposure time (r = -0.695, P < 0.001). Patients with erosive reflux disease and NERD had lower simple MNBI values in the most distal channel compared to other groups (P < 0.001). With a cutoff value of 1785 ohms, simple MNBI can discriminate patients with GERD from those with reflux hypersensitivity and FH (sensitivity 80.0% and specificity 89.7%).
Conclusion
Simple MNBI analysis provides very similar values and has an excellent correlation with conventional MNBI analysis.
(J Neurogastroenterol Motil 2020;26:241-247)

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10Expression of Tight Junction Proteins According to Functional Dyspepsia Subtype and Sex

저자 : Ju Yup Lee , Nayoung Kim , Yoon Jin Choi , Ji Hyun Park , Hassan Ashktorab , Duane T Smoot , Dong Ho Lee

발행기관 : 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 간행물 : Journal of Neurogastroenterology and Motility 26권 2호 발행 연도 : 2020 페이지 : pp. 248-258 (11 pages)

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Background/Aims
To determine whether the expression of tight junction proteins (TJPs) differs depending on the subtype of functional dyspepsia (FD) and sex.
Methods
Control (n = 95) and FD (n = 165) groups based on Rome III criteria were prospectively enrolled. Gastric mucosal mRNA expression levels of various TJPs (claudins [CLDN] 1, 2, and 4; zonula occludens-1; occludin [OCLN]) were assessed by reverse transcription polymerase chain reaction. Western blot was performed to determine the levels of various TJPs. Helicobacter pylori infection status was evaluated by histology, rapid urease test, and culture. Questionnaires were analyzed.
Results
In all groups irrespective of H. pylori , FD group showed significantly higher CLDN2 mRNA levels than control group (P = 0.048). The level of CLDN4 mRNA expression was significantly lower in female FD group than in male FD group (P = 0.018). In H. pylori uninfected subjects, the level of CLDN1 mRNA expression in female FD group was significantly lower than that of male FD group (P = 0.014). The level of CLDN2 mRNA expression was significantly higher in the male postprandial distress syndrome (P = 0.001) and male epigastric pain syndrome (P = 0.023) groups than in the male control group. In Western blot analysis, the expression of OCLN was significantly elevated 48 hour after the culture with H. pylori strain 43504.
Conclusions
H. pylori can affect a variety of TJPs, particularly claudin-4 and occludin. Claudin-2 is thought to be involved in FD irrespective of H. pylori status, especially in the pathophysiology of male FD.
(J Neurogastroenterol Motil 2020;26:248-258)

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