Koichi Suda
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View article: Genomic and clinical parallels between US and Japanese gastric cancers: a propensity score-matched cohort study
Genomic and clinical parallels between US and Japanese gastric cancers: a propensity score-matched cohort study Open
Introduction Gastric cancer incidence, risk factors, and survival outcomes differ significantly between Japan and the United States. These disparities have led to the belief that gastric cancer represents biologically distinct diseases acr…
View article: Postoperative Gut Microbiota Changes after Colorectal Cancer Surgery: A Comparative Study Based on Resection Sites
Postoperative Gut Microbiota Changes after Colorectal Cancer Surgery: A Comparative Study Based on Resection Sites Open
CRC resection induces site-specific changes in gut microbiota composition. These microbial alterations may affect postoperative inflammation, metabolism, and cancer recurrence risk. Further studies are necessary to explore microbiome-targe…
View article: Outcomes of Robotic Pancreatectomy in the Octogenarian: A Multicenter Retrospective Cohort Study
Outcomes of Robotic Pancreatectomy in the Octogenarian: A Multicenter Retrospective Cohort Study Open
Background/Objectives: Due to the increasing incidence of pancreatic and periampullary cancers with advancing age, coupled with the growing evidence supporting minimally invasive pancreatectomy, the demand for such procedures is rising. Ho…
View article: Prognostic impact of neutrophil-to-lymphocyte ratio (NLR) in patients with unresectable biliary tract cancer treated with gemcitabine, cisplatin, and durvalumab
Prognostic impact of neutrophil-to-lymphocyte ratio (NLR) in patients with unresectable biliary tract cancer treated with gemcitabine, cisplatin, and durvalumab Open
GCD combination chemotherapy is a viable treatment option for advanced-stage BTC in a real-world setting where dose modifications can improve tolerability among elderly patients. Neutrophil-to-lymphocyte ratio can be a prognostic biomarker…
View article: The Optimal Timing for Initiating Anamorelin in the Treatment of Cancer Cachexia
The Optimal Timing for Initiating Anamorelin in the Treatment of Cancer Cachexia Open
Objective In 2021, anamorelin, an orally active ghrelin receptor selective antagonist, was approved for the treatment of cachexia in patients with non-small cell lung cancer, gastric cancer, pancreatic cancer, and colon cancer. Cancer cach…
View article: Initial clinical experiences of robotic distal gastrectomy for gastric cancer using the Da Vinci™ SP system: a single-center retrospective study
Initial clinical experiences of robotic distal gastrectomy for gastric cancer using the Da Vinci™ SP system: a single-center retrospective study Open
This study revealed the safe performance of robotic distal gastrectomy with standard lymphadenectomy for clinical stage I/II gastric cancer using DVSP.
View article: Mutation Analysis of <scp>TMB</scp>‐High Colorectal Cancer: Insights Into Molecular Pathways and Clinical Implications
Mutation Analysis of <span>TMB</span>‐High Colorectal Cancer: Insights Into Molecular Pathways and Clinical Implications Open
Colorectal cancer (CRC) is well characterized in terms of genetic mutations and the mechanisms by which they contribute to carcinogenesis. Mutations in APC , TP53 , and KRAS are common in CRC, indicating key roles for these genes in tumor …
View article: Cross‐Sectional Survey on Mediastinal Lymph Node Dissection in Lung and Esophageal Cancer: A Project of the Anatomy of the Border Consensus Meeting at the 37th Annual Meeting of the Japan Society for Endoscopic Surgery
Cross‐Sectional Survey on Mediastinal Lymph Node Dissection in Lung and Esophageal Cancer: A Project of the Anatomy of the Border Consensus Meeting at the 37th Annual Meeting of the Japan Society for Endoscopic Surgery Open
Introduction Although mediastinal lymph node dissection is performed in both lung and esophageal cancer surgeries, the underlying concepts and indications may differ between these fields. This study aimed to clarify these differences throu…
View article: Laparoscopic Sigmoidectomy in a Male Colon Cancer Patient With Pelvic Arteriovenous Malformation Using Preoperative Interventional Radiology: A Case Report
Laparoscopic Sigmoidectomy in a Male Colon Cancer Patient With Pelvic Arteriovenous Malformation Using Preoperative Interventional Radiology: A Case Report Open
Pelvic arteriovenous malformation (AVM) is a rare vascular condition with diverse clinical manifestations. Treatment‐related decision‐making is difficult for concurrent AVMs and colon cancer. Interventional radiology is effective for colon…
View article: Consensus Meeting on the “Anatomy on the Border”: Systematic Thoracic Lymph Node Dissection Procedures for Lung and Esophageal Cancer
Consensus Meeting on the “Anatomy on the Border”: Systematic Thoracic Lymph Node Dissection Procedures for Lung and Esophageal Cancer Open
Background This study aimed to explore the commonalities and differences in systematic lymph node dissection between lung and esophageal cancer surgeries. Methods A survey comprising 11 questions related to systematic lymph node dissection…
View article: Feasibility of long-range telesurgical robotic radical gastrectomy in a live porcine model
Feasibility of long-range telesurgical robotic radical gastrectomy in a live porcine model Open
Background: Telesurgery has been made increasingly possible with the advancements in robotic surgical platforms and network connectivity. However, long-distance transnational complex robotic surgeries such as gastrectomy have yet to be att…
View article: 99mTc-GSA scintigraphy and modified albumin–bilirubin score can be complementary to ICG for predicting posthepatectomy liver failure
99mTc-GSA scintigraphy and modified albumin–bilirubin score can be complementary to ICG for predicting posthepatectomy liver failure Open
LHL15, the assessment of Esophagogastric varices, and mALBI grade are complementary to ICG-R15 for predicting PHLF risk.
View article: Initial Clinical Experiences of Robotic Distal Gastrectomy for Gastric Cancer Using the Da Vinci TM SP System
Initial Clinical Experiences of Robotic Distal Gastrectomy for Gastric Cancer Using the Da Vinci TM SP System Open
Purpose Reduced-port surgery has been utilized in gastric cancer surgery but was not predominantly used due to its high technical difficulty. A new single-port surgical robot named da Vinci™ SP System (DVSP) was launched and eventually app…
View article: Alterations in the gut microbiota in patients with long-term follow-up after pancreaticoduodenectomy and their association with postoperative fatty liver: A pilot study
Alterations in the gut microbiota in patients with long-term follow-up after pancreaticoduodenectomy and their association with postoperative fatty liver: A pilot study Open
The gut microbiota of patients after PD was in dysbiosis at postoperative ≥6 months. Development of fatty liver might be associated with significant differences in gut microbiota.
View article: 622. COMPARISON OF ROBOT-ASSISTED MINIMALLY INVASIVE ESOPHAGECTOMY WITH CONVENTIONAL MINIMALLY INVASIVE ESOPHAGECTOMY FOR ESOPHAGEAL CANCER: A MULTI-INSTITUTIONAL COHORT STUDY
622. COMPARISON OF ROBOT-ASSISTED MINIMALLY INVASIVE ESOPHAGECTOMY WITH CONVENTIONAL MINIMALLY INVASIVE ESOPHAGECTOMY FOR ESOPHAGEAL CANCER: A MULTI-INSTITUTIONAL COHORT STUDY Open
Background The Japanese public insurance system approved robot-assisted minimally invasive esophagectomy (RAMIE) for esophageal cancer in 2018. Since then, an increasing number of RAMIE has been performed every year. However, it is unclear…
View article: Short‐term outcomes of robot‐assisted versus conventional minimally invasive esophagectomy: A propensity score‐matched study via a nationwide database
Short‐term outcomes of robot‐assisted versus conventional minimally invasive esophagectomy: A propensity score‐matched study via a nationwide database Open
Background The advantages of robot‐assisted minimally invasive esophagectomy (RA‐MIE) over conventional minimally invasive esophagectomy (C‐MIE) are unknown. This nationwide large‐scale study aimed to compare surgical outcomes between RA‐M…
View article: Risk factors for residual liver recurrence of colorectal cancer after resection of liver metastases and significance of adjuvant chemotherapy
Risk factors for residual liver recurrence of colorectal cancer after resection of liver metastases and significance of adjuvant chemotherapy Open
Risk factors for liver recurrence after resection of synchronous liver metastases were positive lymph nodes, ≥3 liver metastases, and no postoperative adjuvant chemotherapy. Adjuvant chemotherapy is recommended after hepatic resection of s…
View article: 99mTc-GSA scintigraphy and modified albumin–bilirubin score can be complementary to ICG for predicting posthepatectomy liver failure
99mTc-GSA scintigraphy and modified albumin–bilirubin score can be complementary to ICG for predicting posthepatectomy liver failure Open
Background: Posthepatectomy liver failure (PHLF) remains a severe complication after liver resection. This retrospective study investigated the correlation of three hepatic functional tests and whether 99mTc-galactosyl human serum albumin …
View article: Robot‐assisted low anterior resection in a patient with rectal cancer who had a urinary reservoir: A case report
Robot‐assisted low anterior resection in a patient with rectal cancer who had a urinary reservoir: A case report Open
Undergoing another surgery after a previous abdominal procedure can sometimes result in significant abdominal adhesions. We present a case of robot‐assisted low anterior resection in a patient with rectal cancer who had a urinary reservoir…
View article: Safety and feasibility of minimally invasive gastrectomy following preoperative chemotherapy for highly advanced gastric cancer
Safety and feasibility of minimally invasive gastrectomy following preoperative chemotherapy for highly advanced gastric cancer Open
Background This study aimed to determine the safety and feasibility of minimally invasive gastrectomy in patients who underwent preoperative chemotherapy for highly advanced gastric cancer. Methods Preoperative chemotherapy was indicated f…
View article: Totally laparoscopic surgery for a hydrocele of the canal of Nuck extending from the abdominal cavity to the subcutaneous space: a case report
Totally laparoscopic surgery for a hydrocele of the canal of Nuck extending from the abdominal cavity to the subcutaneous space: a case report Open
Background Hydrocele of the canal of Nuck (HCN) is a rare disease, and its indications for laparoscopic surgery are not well-established. Case presentation A 53-year-old woman was referred to our hospital due to an uncomfortable thumb-size…
View article: A Case of Cardiac Tamponade after Laparoscopic Hiatal Hernia Repair
A Case of Cardiac Tamponade after Laparoscopic Hiatal Hernia Repair Open
症例は70歳の女性で,2か月ほど前からの繰り返す嘔吐を主訴に来院した.精査の結果,III型食道裂孔ヘルニアの診断となり,待機的に腹腔鏡下食道裂孔ヘルニア修復術を施行した.ヘルニア門は縫縮後メッシュで補強し,ヘルニアステープラーを使用し横隔膜に全周性に固定した.術翌日より酸素化低下と急激な血圧低下,頻脈を認め,緊急の胸腹部CTで心囊液の貯留を認めた.心タンポナーデと診断し,直ちに経皮的心囊穿刺を施行した.術後18日目に再度心タンポナーデを起こしたため,再度心囊ドレナージを施行…
View article: Robotic pancreatic tumor enucleation by the double bipolar technique using the <scp>da Vinci SP</scp> system: An initial case report with a technical detail
Robotic pancreatic tumor enucleation by the double bipolar technique using the <span>da Vinci SP</span> system: An initial case report with a technical detail Open
Pancreatic tumor enucleation is a procedure that can preserve pancreatic function and is sometimes performed using a minimally invasive approach. Recently, a single‐port robotic platform called da Vinci SP has been developed. However, the …
View article: A Case of Killian-Jamieson Diverticulum Resected Using Intraoperative Neural Monitoring and Intraoperative Esophagoscopy
A Case of Killian-Jamieson Diverticulum Resected Using Intraoperative Neural Monitoring and Intraoperative Esophagoscopy Open
Killian-Jamieson憩室(Killian-Jamieson diverticulum;以下,KJDと略記)は嚥下困難などの有症状を伴う場合,外科的切除の適応となる.今回,術中に迷走神経刺激装置と消化管内視鏡を併用したKJDの1切除例を報告する.症例は64歳の女性で,咽頭つかえ感を主訴に近医を受診し,食道憩室を指摘された.プロトンポンプ阻害剤では改善を認めず,精査加療目的に当院を受診した.精査で頸部食道左側に約30 mmの憩室を認め,KJDの診断で憩室切除術を行っ…
View article: 435. CIRCULAR-STAPLED ESOPHAGOGASTROSTOMY USING THE KEYHOLE PROCEDURE: TECHNICAL ASPECTS AND CLINICAL OUTCOMES
435. CIRCULAR-STAPLED ESOPHAGOGASTROSTOMY USING THE KEYHOLE PROCEDURE: TECHNICAL ASPECTS AND CLINICAL OUTCOMES Open
Background The optimal reconstruction method after radical esophagectomy for esophageal cancer has been under debate. For avoiding an anastomotic stricture, we developed a novel method of circular-stapled esophagogastrostomy by employing t…
View article: Incidence and clinical relevance of postoperative diarrhea after minimally invasive gastrectomy for gastric cancer: A single institution retrospective study of 1476 patients
Incidence and clinical relevance of postoperative diarrhea after minimally invasive gastrectomy for gastric cancer: A single institution retrospective study of 1476 patients Open
Purpose Postoperative diarrhea (PD) remains one of the significant complications. Only a few studies focused on PD after minimally invasive surgery. We aimed to investigate PD after minimally invasive gastrectomy for gastric cancer. Method…
View article: Docetaxel+Cisplatin+5-FU (DCF) Therapy as a Preoperative Chemotherapy to Advanced Esophageal Squamous Cell Carcinoma: A Single-center Retrospective Cohort Study
Docetaxel+Cisplatin+5-FU (DCF) Therapy as a Preoperative Chemotherapy to Advanced Esophageal Squamous Cell Carcinoma: A Single-center Retrospective Cohort Study Open
Objective The aim of this study was to determine the safety and clinical efficacy of docetaxel+cisplatin+5-fluorouracil (DCF) as neoadjuvant chemotherapy (NAC). Methods In this single-center study, patient background and treatment outcomes…