Hiroki Irie
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View article: Impact of COVID-19 pandemic on unresectable pancreatic cancer: a regional cohort study in Japan
Impact of COVID-19 pandemic on unresectable pancreatic cancer: a regional cohort study in Japan Open
We did not observe a negative impact on the prognosis of patients with unresectable PDAC throughout the COVID-19 pandemic.
View article: Clinical practice of a novel molecular diagnostic method for detecting <i>Helicobacter pylori</i> and clarithromycin resistance
Clinical practice of a novel molecular diagnostic method for detecting <i>Helicobacter pylori</i> and clarithromycin resistance Open
Smart GeneTM enables rapid diagnosis of H. pylori infection and the detection of CAM resistance, allowing for personalized eradication regimens.
View article: Novel Photodynamic Therapy for Esophageal Squamous Cell Carcinoma following Radiotherapy
Novel Photodynamic Therapy for Esophageal Squamous Cell Carcinoma following Radiotherapy Open
Radiotherapy (RT) or chemoradiotherapy (CRT) are frequently selected as treatments for esophageal squamous cell carcinoma (ESCC). However, salvage treatment remains challenging when endoscopic resection is not indicated for residual or rec…
View article: Clinical benefit of subsequent chemotherapy after drug-induced interstitial lung disease in pancreatic cancer patients: a multicenter retrospective study from Japan
Clinical benefit of subsequent chemotherapy after drug-induced interstitial lung disease in pancreatic cancer patients: a multicenter retrospective study from Japan Open
Purpose Drug-induced interstitial lung disease (ILD) is not a rare adverse event in the current chemotherapy strategy for pancreatic ductal adenocarcinoma (PDAC). Thus, we aimed to find the optimal management for PDAC patients with a histo…
View article: Comparison of time to recurrent biliary obstruction between plastic stents and metallic stents for endoscopic ultrasound‑guided biliary drainage
Comparison of time to recurrent biliary obstruction between plastic stents and metallic stents for endoscopic ultrasound‑guided biliary drainage Open
Endoscopic ultrasound-guided biliary drainage (EUS-BD) may prevent stent placement at the bile duct stricture. Therefore, whether a plastic stent (PS) or metallic stent (MS) should be used for EUS-BD remains to be undetermined. The present…
View article: A neonate with multiple hand flexor tendon ruptures due to methicillin-susceptible Staphylococcus aureus sepsis: a case report
A neonate with multiple hand flexor tendon ruptures due to methicillin-susceptible Staphylococcus aureus sepsis: a case report Open
Background Neonatal pyogenic tenosynovitis is a highly emergent soft tissue infection. We report a case of a neonate with pyogenic tendinopathy and tendon rupture diagnosed by ultrasonography (US). He subsequently developed pyogenic arthri…
View article: A multicenter comparative study of endoscopic ultrasound-guided fine-needle biopsy using a Franseen needle versus conventional endoscopic ultrasound-guided fine-needle aspiration to evaluate microsatellite instability in patients with unresectable pancreatic cancer
A multicenter comparative study of endoscopic ultrasound-guided fine-needle biopsy using a Franseen needle versus conventional endoscopic ultrasound-guided fine-needle aspiration to evaluate microsatellite instability in patients with unresectable pancreatic cancer Open
Background/Aims: Immune checkpoint blockade has recently been reported to be effective in treating microsatellite instability (MSI)-high tumors. Therefore, sufficient sampling of histological specimens is necessary in cases of unresectable…
View article: A Neonate with Multiple Hand Flexor Tendon Ruptures due to Methicillin-susceptible Staphylococcus aureusSepsis: A Case Report
A Neonate with Multiple Hand Flexor Tendon Ruptures due to Methicillin-susceptible Staphylococcus aureusSepsis: A Case Report Open
Background : Neonatal pyogenic tenosynovitis is a highly emergent soft tissue infection. We report a case of a neonate with pyogenic tendinopathy and tendon rupture diagnosed by ultrasonography (US). He subsequently developed pyogenic arth…
View article: Endoscopic Submucosal Dissection in Patients with Early Gastric Cancer in the Remnant Stomach
Endoscopic Submucosal Dissection in Patients with Early Gastric Cancer in the Remnant Stomach Open
Endoscopic submucosal dissection (ESD) in patients with early gastric cancers (EGCs) in the remnant stomach is technically difficult, owing to the limited space and fibrosis under the suture lines and anastomoses. Conversely, ESD for patie…
View article: Association between Submucosal Fibrosis and Endoscopic Submucosal Dissection of Recurrent Esophageal Squamous Cell Cancers after Chemoradiotherapy
Association between Submucosal Fibrosis and Endoscopic Submucosal Dissection of Recurrent Esophageal Squamous Cell Cancers after Chemoradiotherapy Open
Endoscopic resection is a treatment of choice for a metachronous early-stage esophageal squamous cell carcinoma (ESCC) appearing after a radical cure of esophageal cancer by chemoradiotherapy (CRT). However, non-curative resection, and pro…
View article: Screening for hilar biliary invasion in ampullary cancer patients
Screening for hilar biliary invasion in ampullary cancer patients Open
Although some false-positive results were obtained with each method, the combination of partial thickening of the bile duct wall on IDUS and biliary biopsy results was useful for diagnosing hilar biliary invasion of ampullary cancer. Howev…
View article: Endoscopic submucosal dissection for superficial esophageal squamous cell carcinoma in patients with cirrhosis and esophageal varices
Endoscopic submucosal dissection for superficial esophageal squamous cell carcinoma in patients with cirrhosis and esophageal varices Open
Endoscopic submucosal dissection (ESD) has become the standard treatment for superficial esophageal squamous cell carcinoma (SESCC). However, the treatment strategy for SESCC complicated by esophageal varices (EVs) has not been established…
View article: Biliary metal stents should be placed near the hilar duct in distal malignant biliary stricture patients
Biliary metal stents should be placed near the hilar duct in distal malignant biliary stricture patients Open
A longer patency period was achieved by positioning the SEMS near the biliary hilar duct.
View article: Efficacy of a novel large-cell Niti-S stent with a slim delivery system for hilar biliary obstruction: a preliminary study
Efficacy of a novel large-cell Niti-S stent with a slim delivery system for hilar biliary obstruction: a preliminary study Open
Placing multiple USEMSs in patients with a past history of abdominal surgery or in reintervention is difficult. Although difficult cases were included in this study, stent-in-stent placement with the novel Niti-S large-cell SR slim deliver…
View article: Transjejunal endoscopic ultrasound‐guided pancreatic drainage for pancreatic jejunostomy stricture using a forward‐viewing echoendoscope in a patient with altered anatomy
Transjejunal endoscopic ultrasound‐guided pancreatic drainage for pancreatic jejunostomy stricture using a forward‐viewing echoendoscope in a patient with altered anatomy Open
Pancreatic jejunostomy stricture (PJS) is one of the major late complications after pancreaticoduodenectomy. Endoscopic ultrasound‐guided pancreatic drainage (EUS‐PD) is considered a salvage treatment for symptomatic PJS after endoscopic r…
View article: Drug treatment for chemotherapy-induced peripheral neuropathy in patients with pancreatic cancer
Drug treatment for chemotherapy-induced peripheral neuropathy in patients with pancreatic cancer Open
Pancreatic cancer (PC) is a lethal disease where most tumors are too advanced at diagnosis for resection, leaving chemotherapy as the mainstay of treatment. Although the prognosis of unresectable PC is poor, it has been dramatically improv…
View article: Dysbiosis of the duodenal microbiota as a diagnostic marker for pancreaticobiliary cancer
Dysbiosis of the duodenal microbiota as a diagnostic marker for pancreaticobiliary cancer Open
The duodenal microbiota may be useful for PB Ca screening.
View article: Efficacy and Safety of Peroral Endoscopic Myotomy for Esophageal Achalasia and Achalasia-Related Diseases in Patients Aged 75 Years and Over
Efficacy and Safety of Peroral Endoscopic Myotomy for Esophageal Achalasia and Achalasia-Related Diseases in Patients Aged 75 Years and Over Open
Peroral endoscopic myotomy (POEM) has become a popular treatment for esophageal achalasia and other esophageal motility disorders. However, its efficacy and safety in elderly patients are unclear. To clarify that, we reviewed the medical r…
View article: Usefulness of a Fork-Tip Needle in Endoscopic Ultrasound-Guided Fine-Needle Biopsy for Gastric Subepithelial Lesions
Usefulness of a Fork-Tip Needle in Endoscopic Ultrasound-Guided Fine-Needle Biopsy for Gastric Subepithelial Lesions Open
The sample adequacy and diagnostic accuracy of an endoscopic ultrasound (EUS)-guided fine-needle aspiration (EUS-FNA) for gastric subepithelial lesions (SELs) have been reported to be imperfect. To resolve these issues, a fork-tip needle a…
View article: Usefulness of Endoscopic Ultrasound with the Jelly-Filling Method for Esophageal Varices
Usefulness of Endoscopic Ultrasound with the Jelly-Filling Method for Esophageal Varices Open
Although the importance of endoscopic ultrasound (EUS) for esophageal varices (EVs) has been demonstrated, it is difficult to obtain sufficient EUS images with the water-filling method because of poor water stagnation in the esophagus. In …
View article: Efficacy of a Novel Large-cell Niti-S stent with a Slim Delivery System for Hilar Biliary Obstruction: A Preliminary Study
Efficacy of a Novel Large-cell Niti-S stent with a Slim Delivery System for Hilar Biliary Obstruction: A Preliminary Study Open
Background: The large-cell Niti-S stent is useful for multiple stenting in malignant hilar biliary obstruction (MHBO) patients. Recently, a novel uncovered self-expandable metallic stent (USEMS) (a large-cell Niti-S slim-delivery stent) wa…
View article: Screening for Hilar Biliary Invasion in Ampullary Cancer Patients
Screening for Hilar Biliary Invasion in Ampullary Cancer Patients Open
Background: The treatment for ampullary cancer is pancreatoduodenectomy or local ampullectomy. However, effective methods for the preoperative investigation of hilar biliary invasion in ampullary cancer patients have not yet been identifie…
View article: Spontaneous disappearance of common bile duct stones following the insertion of a new dumbbell‐shaped, covered self‐expandable metallic stent in a patient with benign biliary stricture
Spontaneous disappearance of common bile duct stones following the insertion of a new dumbbell‐shaped, covered self‐expandable metallic stent in a patient with benign biliary stricture Open
The new dumbbell‐shaped, covered self‐expanding metallic stent can efficiently remove the choledocholiths in cases with common bile duct (CBD) strictures; moreover, it may potentially prevent a positional displacement and contribute to the…
View article: A Pilot Randomized Crossover Trial of Wet Suction and Conventional Techniques of Endoscopic Ultrasound-Guided Fine-Needle Aspiration for Upper Gastrointestinal Subepithelial Lesions
A Pilot Randomized Crossover Trial of Wet Suction and Conventional Techniques of Endoscopic Ultrasound-Guided Fine-Needle Aspiration for Upper Gastrointestinal Subepithelial Lesions Open
Background and Aim. A wet suction technique (“wet” technique) has been developed to improve the quality of endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) for sampling various solid lesions. However, no studies have reported …
View article: A simple method for diagnosing gallbladder malignant tumors with subserosa invasion by endoscopic ultrasonography
A simple method for diagnosing gallbladder malignant tumors with subserosa invasion by endoscopic ultrasonography Open
Background If the depth of gallbladder malignant tumor (GBMT) invasion is deeper than the subserosa (ss), cholecystectomy is insufficient. In past reports that used endoscopic ultrasonography (EUS) to diagnose the depth of tumor invasion, …
View article: Hilar Malignant Biliary Obstruction Treated with Four Metallic Stents Involving a New Slim Device
Hilar Malignant Biliary Obstruction Treated with Four Metallic Stents Involving a New Slim Device Open
Endoscopic hilar multiple stenting is challenging. A 68-year-old patient had self-expandable metallic stents (SEMSs) inserted for unresectable hilar malignant biliary obstruction. After the SEMSs were inserted into the left hepatic duct an…
View article: Spontaneous disappearance of common bile duct stones after the use of a new dumbbell-shaped, covered self-expandable metallic stent in a patient with benign biliary stricture
Spontaneous disappearance of common bile duct stones after the use of a new dumbbell-shaped, covered self-expandable metallic stent in a patient with benign biliary stricture Open
Endoscopic stone removal becomes challenging owing to a distal common bile duct stricture. A new dumbbell-shaped covered self-expanding metallic stent is efficient in removing the common bile duct stones with common bile duct strictures th…
View article: Prevention of Stricture after Endoscopic Submucosal Dissection for Superficial Esophageal Cancer: A Review of the Literature
Prevention of Stricture after Endoscopic Submucosal Dissection for Superficial Esophageal Cancer: A Review of the Literature Open
Endoscopic resection has been the standard treatment for intramucosal esophageal cancers (ECs) because of the low risk of lymph node metastases in the lesions. In recent years, endoscopic submucosal dissection (ESD), which can resect large…