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BACKGROUND: Sarcopenia has been reported to be associated with short-term outcomes after gastric endoscopic submucosal dissection (ESD). The "strength, assistance with walking, rising from a chair, climbing stairs, and falls" (SARC-F) questionnaire has been widely used as a screening tool for sarcopenia; however, SARC-F combined with body mass index and age (SARC-F+EBM) has recently been reported to be more useful than SARC-F alone. This study aimed to investigate the association between sarcopenia, measured using SARC-F+EBM, and short-term outcomes after gastric ESD. METHODS: Patients who underwent gastric ESD at our institution between May 2020 and June 2023 were included, and their medical records were reviewed retrospectively. A SARC-F+EBM score ≥ 12 indicated sarcopenia. We evaluated the incidence of adverse events and the length of hospital stay in the sarcopenia and non-sarcopenia groups. RESULTS: Overall, 263 patients (64 and 199 in the sarcopenia and non-sarcopenia groups, respectively) were investigated. The incidence of adverse events with a Common Terminology Criteria for Adverse Events grade ≥ 3 was not significantly different between the sarcopenia and non-sarcopenia groups (6.2% vs. 8.5%, p = 0.791). The proportion of patients with an extended hospital stay (≥ 10 days) was significantly higher in the sarcopenia group than that in the non-sarcopenia group (12.5% [8/64] vs. 3.5% [7/199], p = 0.012). Multivariate analysis showed that sarcopenia and lesions that present technical difficulty in ESD were independent risk factors for extended hospital stays (≥ 10 days). Of the eight cases having extended hospital stays in the sarcopenia group, four were due to the management after gastric ESD, three were due to family circumstances, and one was due to decreased activities of daily living. CONCLUSIONS: Sarcopenia is not a predictor of adverse events associated with gastric ESD. However, patients with sarcopenia may be hospitalized for longer owing to non-ESD-related factors.
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Resección Endoscópica de la Mucosa , Complicaciones Posoperatorias , Sarcopenia , Neoplasias Gástricas , Humanos , Sarcopenia/complicaciones , Masculino , Femenino , Resección Endoscópica de la Mucosa/métodos , Resección Endoscópica de la Mucosa/efectos adversos , Anciano , Estudios Retrospectivos , Neoplasias Gástricas/cirugía , Neoplasias Gástricas/complicaciones , Persona de Mediana Edad , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología , Tiempo de Internación/estadística & datos numéricos , Resultado del Tratamiento , Anciano de 80 o más Años , IncidenciaRESUMEN
BACKGROUND: Although proton pump inhibitors (PPIs) or potassium-competitive acid blocker (PCAB) are useful in peptic ulcer prevention, their efficacy in preventing other gastrointestinal bleeding remains unclear. This study aimed to identify the status of gastrointestinal bleeding in the modern era when PPIs are widely used. METHODS: This study included patients who underwent percutaneous coronary intervention (PCI) between 2018 and 2019 at two high-volume centers. Patients were categorized based on whether they experienced gastrointestinal bleeding within 2 years of PCI into groups A (patients who experienced gastrointestinal bleeding within 2 years after PCI) and B (patients who did not experience gastrointestinal bleeding). RESULTS: Groups A and B included 21 (4.1%) and 494 (95.9%) patients, respectively (a total of 515 patients). Age at the initial PCI (77.8±2.4 and 72.0±0.5 years in groups A and B, respectively; p = 0.02), weight (53.8±3.2 and 61.8±0.7 kg in groups A and B, respectively; p = 0.01), and concomitant warfarin use (14.3% and 2.0% in groups A and B, respectively; p = 0.0005) were significantly different between the groups. The high bleeding risk rate (90.5% and 47.6% in groups A and B, respectively; p = 0.0001) was significantly different between the groups. A total of 95.9% of patients were taking PPIs or PCAB without significant differences between the groups. However, only one patient, who was taking steroids, had a gastric ulcer during PCAB treatment. CONCLUSIONS: Acid-related upper gastrointestinal bleeding is largely controlled by PPIs in post-PCI patients. Furthermore, the risk factors for non-acid-related bleeding include older age, lower weight, and concomitant warfarin use.
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Hemorragia Gastrointestinal , Isquemia Miocárdica , Intervención Coronaria Percutánea , Inhibidores de la Bomba de Protones , Anciano , Femenino , Humanos , Masculino , Hemorragia Gastrointestinal/inducido químicamente , Hemorragia Gastrointestinal/epidemiología , Hemorragia Gastrointestinal/prevención & control , Isquemia Miocárdica/complicaciones , Inhibidores de la Bomba de Protones/uso terapéutico , Inhibidores de la Bomba de Protones/efectos adversos , Estudios Retrospectivos , Factores de RiesgoRESUMEN
A 70-year-old man who had undergone treatment for gastroesophageal reflux disease (GERD) by a family doctor presented to our hospital with severe heartburn and dysphagia despite taking vonoprazan (20 mg) for 3 months. A diagnosis of vonoprazan-refractory nonerosive reflux disease was made based on esophagogastroduodenoscopy and esophageal function examinations. The patient elected to undergo endoscopic treatment for GERD. Therefore, we performed endoscopic treatment using the endoscopic submucosal dissection (ESD-G) technique developed at our institution. After endoscopic treatment, his GERD symptoms disappeared and he no longer required GERD-related medications. An examination of his esophageal function revealed the improvement of items related to GERD.
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This study investigated the trends in idiopathic peptic ulcers, examined the characteristics of refractory idiopathic peptic ulcer, and identified the optimal treatment. The characteristics of 309 patients with idiopathic peptic ulcer were examined. We allocated idiopathic peptic ulcers that did not heal after 8 weeks' treatment (6 weeks for duodenal ulcers) to the refractory group and those that healed within this period to the healed group. The typical risk factors for idiopathic peptic ulcer (atherosclerosis-related underlying disease or liver cirrhosis complications) were absent in 46.6% of patients. Absence of gastric mucosal atrophy (refractory group: 51.4%, healed group: 28.4%; pâ =â 0.016), and gastric fundic gland polyps (refractory group: 17.6%, healed group: 5.9%; pâ =â 0.045) were significantly more common in the refractory group compared to the healed group. A history of H. pylori eradication (refractory group: 85.3%, healed group: 66.0%; pâ =â 0.016), previous H. pylori infection (i.e., gastric mucosal atrophy or history of H. pylori eradication) (refractory group: 48.5%, healed group: 80.0%; pâ =â 0.001), and potassium-competitive acid blocker treatment (refractory group: 28.6%, healed group, 64.1%; pâ =â 0.001) were significantly more frequent in the healed group compared to the refractory group. Thus, acid hypersecretion may be a major factor underlying the refractoriness of idiopathic peptic ulcer.
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BACKGROUND: The 3rd edition of the evidence-based clinical practice guidelines for gastroesophageal reflux disease (GERD) 2021 from the Japanese Society of Gastroenterology states that the treatment strategy for potassium-competitive acid blocker (PCAB)-refractory GERD remains unclear. Furthermore, even if GERD improves with the administration of an acid secretion inhibitor, it is feared that GERD may flare up after discontinuation of the drug, resulting in some cases in which patients are forced to take vonoprazan semipermanently (the so-called PCAB-dependent cases). From a global perspective, PCAB is not yet used in all countries and regions, and measures that can be taken now for cases in which a conventional proton pump inhibitor (PPI) is inadequately effective need to be devised. SUMMARY: Endoscopic treatment for GERD may be effective in cases where conventional proton pump inhibitors are ineffective; however, there are insufficient long-term studies to corroborate this, and its cost effectiveness is unknown. Other treatment options for PCAB or PPI-refractory GERD include surgical procedures (Nissen and Toupet operations), which have a longer history than endoscopic treatment for GERD. However, their long-term results are not as good as those of acid secretion inhibitors, and they are not cost effective. Endoscopic treatment for GERD may fill gaps in inadequate surgical treatment. In April 2022, endoscopic anti-reflux mucosal resections (ARMS [anti-reflux mucosectomy] and ESD-G [endoscopic submucosal dissection for GERD]) were approved for reimbursement, making endoscopic treatment of GERD possible throughout Japan. KEY MESSAGES: It is important to identify the background factors in cases in which endoscopic treatments are effective.
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Resección Endoscópica de la Mucosa , Reflujo Gastroesofágico , Humanos , Reflujo Gastroesofágico/tratamiento farmacológico , Reflujo Gastroesofágico/etiología , Reflujo Gastroesofágico/cirugía , Inhibidores de la Bomba de Protones/uso terapéutico , Japón , Resultado del TratamientoRESUMEN
BACKGROUND: Previous studies have indicated that red dichromatic imaging (RDI) improved the visibility of gastrointestinal bleeding. AIMS: To investigate the recognition of bleeding points during endoscopic submucosal dissection (ESD) under RDI compared with that under white light imaging (WLI). METHODS: Consecutive patients scheduled to undergo esophageal or gastric ESD at a single center were enrolled. Paired videos of active bleeding during ESD under WLI and RDI were created. Six endoscopists identified the virtual hemostasis point on still images after random video viewing. The distance between virtual hemostasis and actual bleeding points was scored in four levels (0-3 points), and the association with the color value was analyzed in both WLI and RDI. RESULTS: We evaluated 116 videos for 58 bleeding points. The median visibility score and recognition rate were significantly higher for RDI than for WLI (2.17 vs. 1.42, p < 0.001 and 62.1% vs 27.6%, p < 0.001). Additionally, the recognition rate of trainees in RDI was higher than that of experts in WLI (60.3% vs. 43.1%, p = 0.067). The median color difference of RDI was significantly higher than that of WLI (8.97 vs. 3.69, p < 0.001). Furthermore, the correlation coefficient between the visibility score and color difference was 0.712 (strong correlation). CONCLUSION: RDI can provide better recognition of bleeding points than WLI during ESD. Therefore, further studies are warranted to investigate whether RDI improves ESD outcomes.
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Resección Endoscópica de la Mucosa , Neoplasias Gástricas , Humanos , Resección Endoscópica de la Mucosa/efectos adversos , Resección Endoscópica de la Mucosa/métodos , Hemorragia Gastrointestinal/diagnóstico por imagen , Hemorragia Gastrointestinal/etiología , Hemorragia Gastrointestinal/cirugía , Esófago , Estómago , Neoplasias Gástricas/diagnóstico por imagen , Neoplasias Gástricas/cirugíaRESUMEN
INTRODUCTION: In patients with gastroesophageal reflux disease (GERD) on maintenance therapy with acid-suppressive drugs, it is not clear what background factors allow patients to discontinue the drugs. The aims of this study were to examine the relationship of the changes in the frequency and severity of gastrointestinal symptoms after discontinuation of acid-secretion inhibitors for erosive GERD (eGERD) with possible patient background factors and to identify factors that influence these changes. METHODS: This is a multicenter, open-label, interventional, exploratory study. eGERD patients with mild mucosal injury whose symptoms were under control and who were on maintenance therapy with acid-suppressive drugs were withdrawn from the drug treatment for 4 weeks. We examined the relationship of patient backgrounds (sex, age, body mass index, alcohol consumption, smoking habits), esophageal hiatal hernia, Helicobacter pylori infection, pepsinogen I and II concentrations and I/II ratios, blood gastrin levels before and after drug discontinuation with total score change in Frequency Scale for the Symptoms of GERD (FSSG). RESULTS: Of the 92 patients whose symptoms could be assessed before and after drug withdrawal, 66 patients (71.7% of the total) had FSSG <8 and no symptom relapse after the withdrawal. Furthermore, patient background factors that may be related to symptom relapse/non-relapse were examined, but no related factors were detected. The maintenance medications before discontinuation in the above 92 patients were a proton pump inhibitor (PPI) and vonoprazan (VPZ, a potassium ion competitive acid blocker). Since PPI and VPZ were administered to about the same number of patients, though incidentally, we additionally examined the relationship between patient background factors and symptom relapse/non-relapse by treatment group. As a result, no relevant background factors were detected in both groups. Although there were no significant differences between the two groups, the severity and frequency of symptom recurrence in the VPZ group tended to be higher than in the PPI group. CONCLUSIONS: Consideration of background factors is unlikely to be required in the discontinuation of maintenance therapy for eGERD. There was no significant difference in the extent of disease or frequency of recurrence during the discontinuation period, regardless of whether the drug before discontinuation was a PPI or VPZ.
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Reflujo Gastroesofágico , Infecciones por Helicobacter , Helicobacter pylori , Hernia Hiatal , Humanos , Infecciones por Helicobacter/tratamiento farmacológico , Reflujo Gastroesofágico/tratamiento farmacológico , Reflujo Gastroesofágico/diagnóstico , Inhibidores de la Bomba de Protones/efectos adversos , Resultado del TratamientoRESUMEN
A 40-year-old Japanese male presented with epigastric pain and loss of appetite at a general hospital three years ago. Computed tomography revealed massive thickening of the gastric wall, and gastroscopy revealed diffuse erythema and edematous thickening of the gastric mucosa. Thereafter, epigastric pain and gastric wall thickening recurred frequently, causing an inability to intake food. Conservative treatment was marginally effective; therefore, a distal gastrectomy was performed. Postoperatively, the patient resumed food intake without complications. Histopathological examination of the surgical specimen revealed Heinrich type 1 gastric ectopic pancreas (EP) with pancreatitis. In this case, the gastric wall's massive thickening was caused by gastric EP's pancreatitis. Although there are some reports of pancreatitis of gastric EP, there are no detailed reports of endoscopic findings, including endoscopic ultrasonography and the disease progression. Recurrent pancreatitis of EP leads to forming a septum within the gastric wall, resulting in a hematoma. Eventually, irreversible narrowing of the gastric lumen may occur, as observed in the present case. We consider this an important case report presenting detailed pathogenesis supported by endoscopic and pathohistological findings of surgical specimens. Our study will help in the early diagnosis and better management of the condition.
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Resección Endoscópica de la Mucosa , Humanos , Inmersión , Endoscopía , Disección , EndoscopiosRESUMEN
BACKGROUND: Autonomic dysfunction is a factor in irritable bowel syndrome (IBS). However, there are no reports of autonomic nervous system (ANS) activity during natural defecation in patients with IBS. We aimed to clarify the relationship between ANS activity and life events, such as defecation and abdominal symptoms, using real-time recording. METHODS: Six patients with IBS and 14 healthy controls were enrolled in this prospective multicenter study. ANS activity was recorded for 24 h using a T-shirt wearable device, and life events were recorded simultaneously in real time using a smartphone application software. Low frequency/high frequency (LF/HF) and HF calculated by power spectrum analysis were defined as activity indicators of the sympathetic and parasympathetic nerves, respectively. RESULTS: The means of LF/HF and HF in the period with positive symptoms were comparable between the groups; however, the sum of LF/HF, sum of ΔLF/HF, and the maximum variation in ΔLF/HF were significantly higher in the IBS group. In the IBS group, the sum of ΔLF/HF and LF/HF increased significantly from 2 min before defecation, and the sum of LF/HF remained significantly higher until 9 min after defecation. The sum of ΔLF/HF at 2 min before defecation was significantly positively correlated with the intensity of abdominal pain and diarrhea and constipation scores. In contrast, it was significantly negatively correlated with defecation satisfaction and health-related quality of life. CONCLUSIONS: In patients with IBS, sympathetic nerve activity was activated 2 min before defecation, which was correlated with abdominal symptoms and lower QOL.
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Síndrome del Colon Irritable , Dispositivos Electrónicos Vestibles , Humanos , Calidad de Vida , Estudios Prospectivos , Estreñimiento , Defecación/fisiologíaRESUMEN
A 74-year-old woman with recurrent gastric cancer underwent laparotomy for peritoneal dissemination, and the damaged jejunum formed a jejunocutaneous fistula. Because conservative treatment alone could not cure the fistula, we performed an endoscopic placement of a partially covered self-expandable metallic stent (SEMS) to cover the fistula. After the procedure, the contrast medium no longer leaked from the intestinal lumen. One month after stent placement, the cutaneous opening had closed. This case report demonstrates the potential for using partially covered SEMS to treat intractable jejunocutaneous fistula in patients with terminal-stage malignant tumors.
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Stents Metálicos Autoexpandibles , Neoplasias Gástricas , Femenino , Humanos , Anciano , Neoplasias Gástricas/complicaciones , Neoplasias Gástricas/cirugía , Neoplasias Gástricas/patología , Recurrencia Local de Neoplasia , Cuidados Paliativos/métodos , Endoscopía , Stents , Resultado del Tratamiento , Estudios RetrospectivosRESUMEN
An 80-year-old man presented to our hospital with general fatigue on exertion that had gradually worsened over 6 months. His blood test revealed severe anemia, and gastroscopy revealed findings consistent with gastric antral vascular ectasia (GAVE) and autoimmune gastritis. We diagnosed the patient with severe anemia caused by GAVE and autoimmune gastritis. The present case suggested that GAVE is triggered by autoimmune gastritis, and the mechanism is likely related to hypergastrinemia. The reporting of this rare case may help elucidate the cause of GAVE, which is currently unknown.
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Anemia , Ectasia Vascular Antral Gástrica , Gastritis , Anciano de 80 o más Años , Anemia/etiología , Ectasia Vascular Antral Gástrica/complicaciones , Ectasia Vascular Antral Gástrica/diagnóstico , Gastritis/complicaciones , Gastritis/diagnóstico , Gastroscopía/efectos adversos , Humanos , MasculinoRESUMEN
A 77-year-old man complained of postmeal vomiting and sustained general fatigue. An abdominal computed tomography scan showed massive gastric expansion and fluid storage. Gastroscopy revealed four gastric bezoars that were considered to have caused pyloric ring obstruction. The patient was asked to drink 500 mL per day of Coca-Cola® for 4 days. On the fourth day, we performed endoscopic crushing and removal by injecting Coca-Cola®, cutting the softened bezoar with endoscopic snares, and collecting the pieces with endoscopic nets. We herein report (with a video presentation) a rare case of tannin-phytobezoars endoscopically removed with the administration and injection of Coca-Cola®.
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Bezoares , Coca , Obstrucción de la Salida Gástrica , Anciano , Bezoares/complicaciones , Bezoares/diagnóstico por imagen , Bezoares/cirugía , Bebidas Gaseosas , Cola , Gastroscopía , Humanos , Masculino , Solubilidad , TaninosRESUMEN
BACKGROUND AND AIM: Comprehensive reports on the risk factors for bleeding and early death after percutaneous endoscopic gastrostomy (PEG) are limited. In this multicenter study, we retrospectively investigated the risk factors for bleeding and early death after PEG. METHODS: Patients (n = 1234) who underwent PEG between 2015 and 2020 at Osaka Medical and Pharmaceutical University and its affiliated hospitals (11 institutions in total) were evaluated for postoperative bleeding and early death (within 60 days) after PEG according to patient characteristics, construction method, medical history, medications, preoperative hematological findings, and perioperative adverse events. Multivariate logistic regression was performed to identify independent predictors of bleeding and early death after PEG. RESULTS: The risk factors for bleeding after PEG were PEG tube insertion using the modified introducer method (odds ratio [OR], 4.37; P = 0.0003), low platelet count (OR, 0.99; P = 0.014), antiplatelet therapy (OR, 2.11; P = 0.036), and heparinization (OR, 4.50; P = 0.007). Risk factors for early death were low body mass index (BMI) (OR, 0.89; P = 0.015), low serum albumin levels (OR, 0.50; P = 0.035), and comorbidity of active cancer (OR, 4.03; P < 0.0001). There was no significant association between bleeding and early death after PEG. CONCLUSIONS: We identified several risk factors for bleeding and early death after PEG. Risk factors for bleeding were PEG tube insertion using the modified introducer method, low platelet count, antiplatelet therapy, and heparinization. Risk factors for early death were low BMI, low serum albumin levels, and comorbidity of active cancer.
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Gastrostomía , Mortalidad Prematura , Hemorragia Posoperatoria , Gastrostomía/efectos adversos , Humanos , Neoplasias/epidemiología , Inhibidores de Agregación Plaquetaria/efectos adversos , Hemorragia Posoperatoria/epidemiología , Estudios Retrospectivos , Factores de Riesgo , Albúmina SéricaRESUMEN
BACKGROUND: Although some kinds of endoluminal surgery for patients with proton pump inhibitor (PPI)-refractory gastroesophageal reflux disease (GERD) have been reported, there are few reports on their long-term outcomes. In 2014, we reported the effectiveness of endoscopic surgery for PPI-refractory GERD, which we invented and named endoscopic submucosal dissection for GERD (ESD-G) in 2008. Thereafter, we accumulated more cases and monitored the patients' condition postoperatively and describe the outcomes herein. PATIENTS AND METHODS: This single-center, single-arm trial was conducted at the Osaka Medical and Pharmaceutical University Hospital. We compared outcomes between before and 3-6 months after ESD-G. Additionally, we investigated the outcomes of patients 5 or more years after ESD-G. RESULTS: We performed 42 ESD-G procedures in 35 patients between 2008 and 2020. In seven patients, ESD-G was performed twice for various reasons. The frequency scale for the symptoms of GERD score was significantly improved 3-6 months after ESD-G (22 â 10, p < 0.0001); the Los Angeles classification for reflux esophagitis was clearly improved after ESD-G (p = 0.0423). The number of reflux episodes was not decreased by ESD-G. There was a significant difference in the potency unit of gastric acid secretion suppressants for controlling GERD-related symptoms between baseline and 3-6 months after ESD-G (p = 0.0009). In patients without a history of distal gastrectomy who underwent ESD-G, the potency unit of gastric acid secretion suppressants significantly decreased 5 or more years after ESD-G (p = 0.0121). CONCLUSION: ESD-G may be effective in patients with refractory GERD-related symptoms without a history of distal gastrectomy.
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Resección Endoscópica de la Mucosa , Esofagitis Péptica , Reflujo Gastroesofágico , Endoscopía , Esofagitis Péptica/tratamiento farmacológico , Esofagitis Péptica/etiología , Reflujo Gastroesofágico/tratamiento farmacológico , Reflujo Gastroesofágico/cirugía , Humanos , Inhibidores de la Bomba de Protones/uso terapéutico , Resultado del TratamientoRESUMEN
BACKGROUND: Neoadjuvant chemotherapy for advanced gastric cancer is expected to improve prognoses. However, as there is no method to evaluate neoadjuvant chemotherapeutic efficacy before gastrectomy, some patients at high risk for a poor prognosis undergo gastrectomy. The aim of the present study was to investigate whether endoscopy could be useful for assessing the efficacy of neoadjuvant chemotherapy. METHODS: In this retrospective study, we analyzed the data of 41 patients who received neoadjuvant chemotherapy followed by gastrectomy at our institution to investigate whether responsiveness to neoadjuvant chemotherapy, as assessed with endoscopy, can serve as a surrogate marker for histological grades 1b or higher in the Japanese Classification of Gastric Carcinoma (JCGC) scheme. RESULTS: There were 32 (78.0%) responders and 9 (22.0%) nonresponders to neoadjuvant chemotherapy, as observed in endoscopic evaluations. Among the endoscopic responders, 24 (75.0%) had cancer of histological grade 1b or higher, and 15 (46.9%) had cancer of grade 2 or higher. Among the endoscopic nonresponders, 1 (11.1%) patient had histological grade 1b cancer. Compared with endoscopic nonresponders, endoscopic responders were more likely to show a histological response (chi-square test: p = 0.0005 for JCGC grade 1b or higher; p = 0.0099 for JCGC grade 2 or higher). CONCLUSIONS: Most endoscopic responders showed JCGC histological responses. Evaluation of neoadjuvant chemotherapeutic efficacy by endoscopy in gastric cancer may be useful before gastrectomy. As this was a retrospective study, further investigations are required. The protocol was approved by the ethics review committee at Osaka Medical College (No. 2422) and was registered in the University Hospital Medical Information Network Clinical Trial Registry (UMIN000033088).
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Quimioterapia Adyuvante/métodos , Monitoreo de Drogas/métodos , Endoscopía/métodos , Gastrectomía , Cuidados Preoperatorios/métodos , Neoplasias Gástricas/terapia , Adulto , Anciano , Antineoplásicos/uso terapéutico , Femenino , Humanos , Masculino , Persona de Mediana Edad , Terapia Neoadyuvante/métodos , Estudios Retrospectivos , Neoplasias Gástricas/mortalidad , Neoplasias Gástricas/patología , Resultado del TratamientoRESUMEN
A 53-year-old woman presented with repeated copious bloody stool. Small bowel capsule endoscopy revealed a submucosal tumor (SMT)-like lesion, with erosion of the surface, in the first third of the small bowel. Balloon-assisted small intestinal endoscopy also revealed a pulsatile SMT-like lesion with an exposed vessel on the surface. This unknown lesion was surgically resected. The histopathological findings of the resected SMT-like lesion showed a dilated artery with thrombosis blockage and recanalization. Since this case could not be classified as any of the small intestinal vascular lesion patterns endoscopically, its classification will require the accumulation of further cases.