• Restorative Dentistry and Endodontics
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• v.43 no.1
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• pp.13.1-13.7
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• 2018

Dental erosion is frequently overlooked in clinical practice. The management of erosion-induced damage to the dentition is often delayed, such that extensive occlusal rehabilitation is required. These cases can be diagnosed by a careful clinical examination and a thorough review of the patient's medical history and/or lifestyle habits. This case report presents the diagnosis, categorization, and management of a case of gastro-esophageal reflux disease-induced palatal erosion of the maxillary teeth. The early management of such cases is of utmost importance to delay or prevent the progression of damage both to the dentition and to occlusal stability. Non-invasive adhesively bonded restorations aid in achieving this goal.

• Clinical and Experimental Pediatrics
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• v.46 no.12
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• pp.1242-1247
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• 2003

Purpose : Gastroesophageal reflux disease(GERD) is known as one of the most common causes of chronic cough, especially in children. The purpose of this study is to evaluate the efficacy of parameters from proximal esophageal 24-hr pH monitoring through its comparison with those of distal esophageal 24-hr pH monitoring that we generally use for diagnosis of GERD. Methods : We performed chest CT scans to find out the cause of chronic cough in infants with no clinical manifestation suggesting GERD. Then, in case that they had air space consolidation in posterior segment of both upper lobes and superior segment of both lower lobes(dependent position), we performed proximal and distal esophageal 24-hr pH monitoring. Results : The proximal and distal pH monitoring were performed in 17 infants(male 12; female five). The patients with positive pathologic reflux in proximal esophagus were 15 of 17(88.2%) and in distal esophagus were four of 17(23.5%). Reflux index and the total number of reflux episodes were statistically significantly lower in the proximal than in the distal esophagus(P<0.05). There was no correlation between each parameters of proximal and distal esophageal 24-hr pH monitoring. Conclusion : This study suggests that proximal esophageal 24-hr pH monitoring can be used as a very useful diagnostic tool in infants with chronic cough in which there are suspicions that it resulted from aspiration due to GERD.

• Pediatric Gastroenterology, Hepatology & Nutrition
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• v.19 no.1
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• pp.12-19
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• 2016

Purpose: This study was performed to evaluate the quality of sleep in snoring obese children without obstructive sleep apnea (OSA); and to study the possible relationship between sleep interruption and gastroesophageal reflux (GER) in snoring obese children. Methods: Study subjects included 13 snoring obese children who were referred to our sleep lab for possible sleep-disordered breathing. Patients underwent multichannel intraluminal impedance and esophageal pH monitoring with simultaneous polysomnography. Exclusion criteria included history of fundoplication, cystic fibrosis, and infants under the age of 2 years. Significant association between arousals and awakenings with previous reflux were defined by symptom-association probability using 2-minute intervals. Results: Sleep efficiency ranged from 67-97% (median 81%). A total of 111 reflux episodes (90% acidic) were detected during sleep, but there were more episodes per hour during awake periods after sleep onset than during sleep (median 2.3 vs. 0.6, p=0.04). There were 279 total awakenings during the sleep study; 56 (20.1%) of them in 9 patients (69.2%) were preceded by reflux episodes (55 acid, 1 non-acid). In 5 patients (38.5%), awakenings were significantly associated with reflux. Conclusion: The data suggest that acid GER causes sleep interruptions in obese children who have symptoms of snoring or restless sleep and without evidence of OSA.

• Herbal Formula Science
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• v.30 no.1
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• pp.11-18
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• 2022

Objectives: In this study, we aim to demonstrate an effect of crab water extract (CWE) on reflux esophagitis (RE) using lipopolysaccharide (LPS)-induced Raw 264.7 cell and rat model. Methods: To investigate on LPS-induced Raw 264.7 cell, CWE was co-treated with LPS. CWE suppressed Nitric Oxide (NO) production which increased by LPS treatment. Also, CWE showed no cytotoxicity at the concentrations range from 500 ㎍/㎖ to 2000 ㎍/㎖. Next, to investigate the protective effects of CWE on RE rat model, eighteen rats were divided in to three groups: sham group, reflux esophagitis group, and reflux esophagitis pre-treated with 100 mg/kg CWE 1 h before surgery. RE was induced by a pylorus and forestomach ligation operation and all rats were sacrificed after 4 h 30 min from surgery. Results: In gross examination, the CWE administration attenuated esophageal mucosal injury upon histological evaluation of reflux esophagus of rats. The CWE downregulated the expression levels of proteins related to inflammation, such as COX-2 and TNF-α in the esophagus tissue. In addition, the CWE suppressed the NF-κB and IκB-α activation. Conclusions: Based on these findings, we concluded that CWE could possess protective effect against damage to the esophagus due to reflux esophagitis.

• Journal of Neurogastroenterology and Motility
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• v.24 no.4
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• pp.559-569
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• 2018

Background/Aims Gastroesophageal reflux disease (GERD) is a common disease globally with increasing prevalence and consequently greater burden on the Healthcare system. Traditionally, GERD has been considered a disease of middle-aged and older people. Since risk factors for GERD affect a growing number of the adult population, concerns have been raised that increasingly younger people may develop GERD. We aim to determine if the proportion of younger patients has increased among the GERD population. Methods The incidence of GERD as well as several variables were evaluated during an 11-year period. Explorys was used to evaluate datasets at a "Universal" and Healthcare system in northern Ohio to determine if trends at a local level reflected those at a universal level. GERD patients were classified into 7 age groups (15-19, 20-29, 30-39, 40-49, 50-59, 60-69, and ${\geq}70$ years). Results The proportion of patients with GERD increased in all age groups, except for those who were ${\geq}70$ years in the universal dataset (P < 0.001) and those who were ${\geq}60$ years in the Healthcare system (P < 0.001). The greatest rise was seen in 30-39 years in both datasets (P < 0.001). Similarly, the proportion of GERD patients who were using proton pump inhibitors increased in all age groups except for those who were ${\geq}70$ years in both datasets (P < 0.001), with the greatest increase being the group 30-39 years (P < 0.001). Conclusion Over the last decade, there has been a significant increase in the proportion of younger patients with GERD, especially those within the age range of 30-39 years.

• The Journal of Korean Medicine
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• v.42 no.4
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• pp.150-163
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• 2021

Objectives: The purpose of this study was to confirm the effects of Liriope platyphylla extract on relieving Gastroesophageal reflux disease (GERD) through regulation of acid secretion. Methods: 8-week-old ICR mice were divided into untreated control group (Ctrl), GERD elecitation group (GERDE), Omeprazole administrate group before GERD elicitation (OMA), and Liriope platyphylla extract administrate group before GERD elicitation (LPA). After inducing GERD, gross observation and histological examination were performed and ATP6V1B1 (ATPase H+ Transporting V1 Subunit B1), GRPR (Gastrin-releasing peptide receptor), COX-1 (Cyclooxygenase 1), 8-OHdG (8-hydroxy-2'-deoxyguanosine), Cathelicidin, p-JNK (phospho c-Jun N-terminal kinase) were observed to confirm the damage defense effect of the esophageal mucosa, acid secretion regulation, antioxidant, anti-inflammatory, mucosal protection, and apoptosis regulation Results: OMA and LPA showed lower levels of damage compared to GERDE in gross observation and histological examination. ATP6V1B1, GRPR, and 8-OHdG showed lower positive reactions in OMA and LPA than in GERDE. COX-1 were less positive in GERDE and OMA than in Ctrl, but showed higher secretion in LPA than in Ctrl. Cathelicidin showed a decreased positive reaction in GERDE, OMA and LPA compared to Ctrl, but the decrease in positive reaction was smaller in OMA and LPA compared to GERDE. p-JNK showed increased positive reaction in GERDE, OMA and LPA than in Ctrl, but the increase in the positive reaction was smaller in the OMA and LPA compared to GERDE. Conclusions: The effects of Liriope platyphylla extract on esophageal mucosal damage protection, acid secretion regulation, antioxidant, anti-inflammatory, mucosal protection and apoptosis regulation were confirmed.

• Advances in pediatric surgery
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• v.14 no.2
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• pp.117-124
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• 2008

Children who underwent reparative operations for esophageal atresia (EA) with or without tracheoesophageal fistula (TEF), are confronted with many gastrointestinal or respiratory problems, especially during the early years of life. We reviewed the medical records of 50 patients who underwent repairs of EA with or without TEF at the Division of Pediatric Surgery, Samsung Medical Center, from December 1994 to December 2005. Current status of children was accessed by telephone-interview, but only 27 of them were accessible. Of 50 patients, 3 patients (6 %) were type A, 45 patients (90 %) were type C, and 2 patients (4 %) were type E. The mean interval between primary operation and interview was 5.5 years. The incidences of growth retardation (<10 percentile of height/weight) were 39 % and 21 % during the first 5 years after repairs, respectively. The incidences of dysphagia or gastroesophageal reflux and recurrent respiratory infections were 33 % and 39 %, respectively. However, these problems were likely to improve as the children grew. The incidences of growth retardations (<10 percentile of height/weight) were 11 % and 11 % for the children more than five years postoperative. The incidences of dysphagia or gastroesophageal reflux and recurrent respiratory infections were 22 % and 22 %, respectively. Children with EA with or without TEF are faced with many obstacles. Close observation and adequate treatment for delayed postoperative complications are necessary to improve the quality of life for these children.

• Advances in pediatric surgery
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• v.1 no.1
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• pp.53-58
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• 1995

A delayed primary esophago-esophagostomy of a case of long-gap esophageal atresia without tracheoesophageal fistula was performed in success with three months' intermittent periodic bougienage of the upper pouch via mouth as well as the lower esophagus through Janeway gastrostomy. Meanwhile, an effective continuous sump suction from the upper pouch seemed to be a critical part of the patient management. The extra length of esophagus for primary anastomosis could be achieved by a circular myotomy. Stricture at the myotomy site, found 4 months later, was treated with periodic pneumatic baloon dilations only with temporary symptomatic reliefs. After 4 months' trials, operative esophagoplasty was performed successfully. A careful follow-up schedule for the myotomy site would be required for early detection of stricture. The previous neonatal patient is currently 8 years old, healthy school-boy, and has a normal barium swallow without stricture or gastroesophageal reflux.

• Journal of Chest Surgery
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• v.39 no.4 s.261
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• pp.310-316
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• 2006

Background: We study the QOL (quality of life) & functional improvement in patients underwent esophageal surgery for cancer by the viewpoint of the patient and would like make the guideline of recovery course. Material and Method: Between Dec. 1996$\sim$Aug. 2002, 250 patients were operated and 57 patients was enable interview, didn't have evidence of recurrence & survived more than 1 year postoperatively at Asan Medical Center. Questionnaire made by direct or telephone interview & include diet habitus, change of body weight, G-E (gastroesophageal) reflux, dumping symptom, change of daily life. Result: There were 53 men (93%), 4 women (7%) with mean age of $62.05{\pm}8.7$ (range: $37{\sim}94$). Operation method was Ivor Lewis operation in 43 case (75.4%), Esophagocolojejunostomy 4 case (7.1%), Mckeown operation 10 case (17.5%). In Diet habitus, 55 patients (96.5%) ate more than three times in a day with mean diet frequency was 3.5 times/day, 51 patients (89.5%) have been ate solid, regular diet, 5 patients (8.8%) enable to eat liquid diet. To compare with preoperative state, 32 patients (56.9%) had a diet speed more than 80%, 28 patients (39.1%) had a diet amount more than 80%. 32 patients (56.9%) had a little change of body weight within a 10%, 25 patients (43%) had a improvement rather than preoperative state. In G-E reflux, 4 patients (7%) had a reflux after every diet, 27 patients (47.4%) had a little reflux after diet. In dumping symptom. 7 patients (12.3%) had a diarrhea after meal. 38 patients (66.6%) had a normal activity 19 patients (33.3%) had a decreased activity. At present state, majority (53 patient-93%) of patient were satisfactory to the operation result, in spite of discomfort from time to time. In the emotional status, 50 patients (88%) had a well sleeping without disturbance. 65% of patients were comfortable in the psychology state. 39% of patients had a libido. Compare with their median age (63 y), it's a normal varient. Conclusion: QOL in patients underwent esophageal surgery for esophageal cancer nearly recovery to preoperative state.

• The Korea Journal of Herbology
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• v.31 no.1
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• pp.25-31
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• 2016

Objectives : The present study was conducted to evaluate protective effects of Combined Extract of young persimmon fruit and citrus peel (PCM) in Reflux Esophagitis(RE) rats.Methods : Twenty-four Sprague-Dawley (SD) rats were divided four groups and each group had six rats ; Normal group, RE control group, RE group treated PCM 50 ,100 mg/kg body weight group. Reflux esophagitis was induced that tied the pylorus and fundus in SD rats stomach. PCM was administered at 50, 100 mg/kg body weight 2 hrs prior to induction of RE. After 6 hrs, the effects of PCM treated rats were compared with those of normal and control rats. We have performed an analysis such as pH of stomach secretion, oxidative stress biomarkers in serum, and western blot.Results : The increased esophageal mucosa damage by RE was markedly improved by PCM treatment in a dose-dependent manner. Also, the administration of PCM decreased the elevated serum reactive oxygen species (ROS) and peroxynitrite (ONOO^-) in serum. The protein expressions of anti oxidant such as SOD, catalase, GPx exhibited down-regulation by PCM treatment in tissues. And, PCM effectively reduce inflammatory cytokines such as inflammation-related proteins cyclooxygenase-2 (COX-2), inducible nitric oxide synthase (iNOS), Tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6) in RE rats. In addition, NFκB and p-IκBɑ were decreased in PCM-adiministrated RE rats. But there was no difference on stomach secretion pH between reflux esophagitis rats and PCM administration rat group.Conclusions : In conclusion, administration of PCM (50, 100 mg/kg body weight) made esophagus have less inflammation and injury by decreased NFκB path way. These findings suggest that PCM could have Improving effects on reflux esophagitis.