Skip to content

Home Search Authors Pakistan News Saved

SciRah

SciRah does not host or store research papers. Results come live from free, official scholarly APIs, and every paper links back to its original source.

Data sources

OpenAlex
Semantic Scholar
Crossref
CORE
arXiv
PubMed

Privacy policy Terms of service

Masaru Hayami · SciRah

Researcher profile · Semantic Scholar

Masaru Hayami

Share profile

Masaru Hayami — researcher profile on SciRah

h-index: 18
Works: 120
Citations: 1,107

Most-cited papers

Minimally invasive esophagectomy attenuates the postoperative inflammatory response and improves survival compared with open esophagectomy in patients with esophageal cancer: a propensity score matched analysis
K. Yamashita, Masayuki Watanabe, S. Mine, T. Toihata +6 more
2018Surgical Endoscopy52 citations
Semantic Scholar
The impact of the Charlson comorbidity index on the prognosis of esophageal cancer patients who underwent esophagectomy with curative intent
K. Yamashita, Masayuki Watanabe, S. Mine, Ian Fukudome +4 more
2018Surgery today (Print)43 citations
Semantic Scholar
Recent progress in perioperative management of patients undergoing esophagectomy for esophageal cancer
Masayuki Watanabe, A. Okamura, T. Toihata, K. Yamashita +5 more
2018Esophagus40 citations
Semantic Scholar
Prognostic impact of postoperative pulmonary complications following salvage esophagectomy after definitive chemoradiotherapy
Masaru Hayami, Masayuki Watanabe, N. Ishizuka, S. Mine +4 more
2018Journal of Surgical Oncology31 citations
Semantic Scholar
Is proximal gastrectomy indicated for locally advanced cancer in the upper third of the stomach?
M. Ri, K. Kumagai, K. Namikawa, Shinichiro Atsumi +6 more
2021Annals of Gastroenterological Surgery30 citations Open access
Semantic Scholar
Salvage esophagectomy for initially unresectable locally advanced T4 esophageal squamous cell carcinoma
A. Okamura, Masaru Hayami, R. Kozuki, Keita Takahashi +4 more
2019Esophagus27 citations
Semantic Scholar
Lateral thermal spread induced by energy devices: a porcine model to evaluate the influence on the recurrent laryngeal nerve
Masaru Hayami, Masayuki Watanabe, S. Mine, Y. Imamura +6 more
2019Surgical Endoscopy24 citations
Semantic Scholar
Safety of Esophageal Cancer Surgery During the First Wave of the COVID-19 Pandemic in Europe: A Multicenter Study
A. Borgstein, S. Brunner, Masaru Hayami, J. Moons +8 more
2021Annals of Surgical Oncology21 citations Open access
Semantic Scholar
Influence of Preoperative Oropharyngeal Microflora on the Occurrence of Postoperative Pneumonia and Survival in Patients Undergoing Esophagectomy for Esophageal Cancer
Masami Yuda, K. Yamashita, A. Okamura, Masaru Hayami +6 more
2019Annals of Surgery21 citations
Semantic Scholar
Relationship Between Visceral Obesity and Postoperative Inflammatory Response Following Minimally Invasive Esophagectomy
A. Okamura, Masayuki Watanabe, Ian Fukudome, K. Yamashita +4 more
2018World Journal of Surgery20 citations
Semantic Scholar
A “Just Enough” Gross Proximal Margin Length Ensuring Pathologically Complete Resection in Distal Gastrectomy for Gastric Cancer
Masaru Hayami, M. Ohashi, S. Ida, K. Kumagai +3 more
2020Annals of surgery open : perspectives of surgical history, education, and clinical approaches19 citations Open access
Semantic Scholar
Population-Based Cohort Study from a Prospective National Registry: Better Long-Term Survival in Esophageal Cancer After Minimally Invasive Compared with Open Transthoracic Esophagectomy
Masaru Hayami, N. Ndegwa, M. Lindblad, G. Linder +7 more
2022Annals of Surgical Oncology18 citations
Semantic Scholar
Endoscopic vacuum therapy for anastomotic leak after esophagectomy: a single-center's early experience.
Masaru Hayami, F. Klevebro, A. Tsekrekos, Johanna Samola Winnberg +4 more
2020Diseases of the esophagus18 citations
Semantic Scholar
Nutritional jejunostomy in esophagectomy for cancer, a national register-based cohort study of associations with postoperative outcomes and survival
A. Holmén, Masaru Hayami, É. Szabó, I. Rouvelas +2 more
2020Langenbeck's archives of surgery (Print)18 citations Open access
Semantic Scholar
Surgical team proficiency in minimally invasive esophagectomy is related to case volume and improves patient outcomes
A. Okamura, Masayuki Watanabe, Ian Fukudome, K. Yamashita +4 more
2018Esophagus17 citations
Semantic Scholar
Required esophageal resection length beyond the tumor boundary to ensure a negative proximal margin for gastric cancer with gross esophageal invasion or esophagogastric junction cancer
Y. Koterazawa, M. Ohashi, Masaru Hayami, R. Makuuchi +4 more
2023Gastric Cancer16 citations Open access
Semantic Scholar
Impact of preoperative prealbumin levels on long-term prognosis in patients with gastric cancer after gastrectomy: a retrospective cohort study
Ryota Matsui, S. Ida, M. Ri, R. Makuuchi +5 more
2024Gastric Cancer15 citations
Semantic Scholar
Updated Review of Proximal Gastrectomy for Gastric Cancer or Cancer of the Gastroesophageal Junction
T. Irino, M. Ohashi, Masaru Hayami, R. Makuuchi +4 more
2025Journal of Gastric Cancer14 citations Open access
Semantic Scholar
Increased Rate of Serum Prealbumin Level after Preoperative Enteral Nutrition as an Indicator of Morbidity in Gastrectomy for Gastric Cancer with Outlet Obstruction
D. Izumi, S. Ida, Masaru Hayami, R. Makuuchi +5 more
2022World Journal of Surgery14 citations
Semantic Scholar
Steam induced by the activation of energy devices under a wet condition may cause thermal injury
Masaru Hayami, Masayuki Watanabe, S. Mine, Y. Imamura +7 more
2019Surgical Endoscopy14 citations
Semantic Scholar
Safety of robotic double-flap technique following proximal gastrectomy in the introductory phase compared with laparoscopic procedure: a propensity score-matched analysis
Qing-Jiang Hu, M. Ohashi, M. Ri, R. Makuuchi +4 more
2024Surgical Endoscopy13 citations
Semantic Scholar
The usefulness of three-dimensional video-assisted thoracoscopic esophagectomy in esophageal cancer patients
K. Yamashita, S. Mine, T. Toihata, Ian Fukudome +5 more
2019Esophagus13 citations
Semantic Scholar
Comparison of mediastinal lymph node metastases from adenocarcinoma of the esophagogastric junction versus lower esophageal squamous cell carcinoma with involvement of the esophagogastric junction.
Shinji Mine, M. Watanabe, K. Kumagai, A. Okamura +5 more
2019Diseases of the esophagus13 citations
Semantic Scholar
Long-term impact of sarcopenia in older patients undergoing gastrectomy for gastric cancer: a systematic review and meta-analysis
Masayoshi Terayama, M. Ohashi, M. Ri, R. Makuuchi +5 more
2023Translational Gastroenterology and Hepatology12 citations Open access
Semantic Scholar
Clinical features and risk factors for early recurrence after esophagectomy following neoadjuvant chemotherapy for esophageal cancer
Takanori Kurogochi, M. Honda, Keita Takahashi, A. Okamura +6 more
2021Surgery today (Print)12 citations
Semantic Scholar
Risk factors and oncological impact of positive resection margins in gastrectomy for cancer: are they salvaged by an additional resection?
Y. Muneoka, M. Ohashi, N. Ishizuka, Masaru Hayami +5 more
2021Gastric Cancer12 citations Open access
Semantic Scholar
Oesophagectomy with or without supraclavicular lymphadenectomy after neoadjuvant treatment for squamous cell carcinoma of the oesophagus
Shinji Mine, Masayuki Watanabe, K. Kumagai, A. Okamura +5 more
2018British Journal of Surgery12 citations
Semantic Scholar
Oncological Impact of Gross Proximal Margin Length in Distal Gastrectomy for Gastric Cancer: Is the Japanese Recommendation Valid?
Masaru Hayami, M. Ohashi, N. Ishizuka, N. Hiki +4 more
2021Annals of surgery open : perspectives of surgical history, education, and clinical approaches11 citations Open access
Semantic Scholar
Anatomical Position of the Pancreas as a Risk Factor for Pancreatic Fistula after Laparoscopic Gastrectomy for Gastric Cancer
K. Kumagai, S. Nunobe, N. Hiki, Masaru Hayami +6 more
2023World Journal of Surgery10 citations
Semantic Scholar
Advantages of Function-Preserving Gastrectomy for Older Patients With Upper-Third Early Gastric Cancer: Maintenance of Nutritional Status and Favorable Survival
Masayoshi Terayama, M. Ohashi, S. Ida, Masaru Hayami +4 more
2023Journal of Gastric Cancer10 citations Open access
Semantic Scholar
Excellent oncological outcomes besides short-term safety of laparoscopic and endoscopic cooperative surgery for gastric gastrointestinal stromal tumor
Hiroki Harada, M. Ohashi, N. Hiki, J. Fujisaki +8 more
2022Endoscopy International Open10 citations Open access
Semantic Scholar
Postprandial Asymptomatic Glycemic Fluctuations after Gastrectomy for Gastric Cancer Using Continuous Glucose Monitoring Device
M. Ri, S. Nunobe, S. Ida, N. Ishizuka +6 more
2021Journal of Gastric Cancer9 citations Open access
Semantic Scholar
Cervicothoracoscopic Approach for Esophageal Cancer in a Patient with Right-Sided Aortic Arch
A. Okamura, Masayuki Watanabe, Masami Yuda, Yoshiaki Shoji +4 more
2018Annals of Surgical Oncology9 citations Open access
Semantic Scholar
Clinical Impact of Polyglycolic Acid Mesh to Reduce Pancreas-Related Complications After Minimally Invasive Surgery for Gastric Cancer: A Propensity Score Matching Analysis
M. Ri, M. Ohashi, R. Makuuchi, Masaru Hayami +2 more
2024Journal of Gastric Cancer8 citations Open access
Semantic Scholar
Clinical outcomes of palliative treatment for gastric bleeding from incurable gastric cancer
Shusuke Yagi, S. Ida, K. Namikawa, Masaru Hayami +5 more
2022Surgery today (Print)8 citations
Semantic Scholar
A continuous muscle-sparing advantage of pylorus-preserving gastrectomy for older patients with cT1N0M0 gastric cancer in the middle third of the stomach
Masayoshi Terayama, M. Ohashi, R. Makuuchi, Masaru Hayami +4 more
2022Gastric Cancer8 citations Open access
Semantic Scholar
Single center consecutive series cohort study of partial stomach-partitioning gastrojejunostomy for gastric outlet obstruction.
Bi-Ying Huang, B. Sunde, A. Tsekrekos, Masaru Hayami +4 more
2021Asian Journal of Surgery8 citations Open access
Semantic Scholar
Diagnostic Performance of Near-Infrared Fluorescent Marking Clips in Laparoscopic Gastrectomy.
K. Kumagai, Masashi Yoshida, Hiroki Ishida, Naoki Ishizuka +11 more
2024Journal of Surgical Research7 citations
Semantic Scholar
Cervical esophageal perforation caused by the use of bougie during laparoscopic sleeve gastrectomy: a case report and review of the literature
A. Lovece, I. Rouvelas, Masaru Hayami, M. Lindblad +1 more
2020BMC Surgery7 citations Open access
Semantic Scholar
Correction to: Clinical Outcomes and Evaluation of Laparoscopic Proximal Gastrectomy with Double-Flap Technique for Early Gastric Cancer in the Upper Third of the Stomach
Masaru Hayami, N. Hiki, S. Nunobe, S. Mine +6 more
2018Annals of Surgical Oncology7 citations Open access
Semantic Scholar
A sandwiching method that simplifies hepatic left lateral segment inversion to secure an optimal surgical view around the esophageal hiatus in laparoscopic and robotic gastrectomy for upper gastric and esophagogastric junction cancers
Hiroki Harada, Masaru Hayami, R. Makuuchi, S. Ida +3 more
2023Langenbeck's archives of surgery (Print)6 citations
Semantic Scholar
High prevalence of peritoneal metastasis in gastric cancer presenting gastric outlet obstruction: A new candidate for consecutive diagnostic staging laparoscopy and laparoscopic gastrojejunostomy.
I. Yasufuku, M. Ohashi, R. Makuuchi, Masaru Hayami +4 more
2022European Journal of Surgical Oncology5 citations
Semantic Scholar
Feasibility of a “Stomach‐preserving Strategy” for Perforated Gastric Cancer in Patients With Distant Metastasis
Masayoshi Terayama, K. Kumagai, M. Ri, R. Makuuchi +5 more
2025In Vivo4 citations Open access
Semantic Scholar
Oncological impact of unexpected horizontal tumor spread in gastric cancer that requires total gastrectomy
Y. Koterazawa, M. Ohashi, Masaru Hayami, R. Makuuchi +4 more
2023Gastric Cancer4 citations
Semantic Scholar
Adequate gross resection margin length ensuring pathologically complete resection in gastrectomy for gastric cancer: A systematic review and meta‐analysis
Masaru Hayami, M. Ohashi, Nozomi Kurihara, S. Nunobe
2023Annals of Gastroenterological Surgery4 citations Open access
Semantic Scholar
Minimum resection length to ensure a pathologically negative distal margin and the preservation of a larger remnant stomach in proximal gastrectomy for early upper gastric cancer
Y. Koterazawa, M. Ohashi, Masaru Hayami, R. Makuuchi +4 more
2022Gastric Cancer4 citations Open access
Semantic Scholar
Laparoscopic Versus Open Gastrectomy for Cancer: A Western Center Cohort Study.
A. Tsekrekos, F. Klevebro, Masaru Hayami, S. Kamiya +4 more
2020Journal of Surgical Research4 citations
Semantic Scholar
Surgical treatment of Siewert type II gastroesophageal junction cancer: esophagectomy, total gastrectomy or other options?
G. Saliba, Masaru Hayami, F. Klevebro, M. Nilsson
2020Annals of Esophagus4 citations Open access
Semantic Scholar
Implementation of minimally invasive gastrectomy for gastric cancer in a western tertiary referral center
A. Tsekrekos, T. Triantafyllou, F. Klevebro, Masaru Hayami +4 more
2020BMC Surgery4 citations Open access
Semantic Scholar
Preoperative low prealbumin independently predicts non-gastric cancer death after gastrectomy in elderly and young patients: a retrospective cohort study
Ryota Matsui, S. Nunobe, M. Ri, R. Makuuchi +4 more
2025Surgery today (Print)3 citations
Semantic Scholar

Frequent co-authors

Invite them to SciRah by sharing their profile.

S. Nunobe×26
Invite
S. Nunobe — researcher profile on SciRah
K. Kumagai×23
Invite
K. Kumagai — researcher profile on SciRah
R. Makuuchi×22
Invite
R. Makuuchi — researcher profile on SciRah
M. Ohashi×22
Invite
M. Ohashi — researcher profile on SciRah

×19

Invite

S. Ida — researcher profile on SciRah

Invite

T. Sano — researcher profile on SciRah

Invite

A. Okamura — researcher profile on SciRah

Invite

Y. Imamura — researcher profile on SciRah

K. Yamashita×14

Invite

K. Yamashita — researcher profile on SciRah

Masayuki Watanabe×14

Invite

Masayuki Watanabe — researcher profile on SciRah

Invite

S. Mine — researcher profile on SciRah

Masami Yuda×12

Invite

Masami Yuda — researcher profile on SciRah