Waku Hatta

Assistant Professor

  • 512 Citations
  • 12 h-Index
20052020

Research output per year

If you made any changes in Pure these will be visible here soon.

Research Output

Filter
Article
2020

A rare case of gastric squamous-cell carcinoma metastasized from the cervix

Oriuchi, M., Uno, K., Fujishima, F., Takeuchi, A., Lee, S., Hatta, W., Asano, N., Koike, T., Imatani, A. & Masamune, A., 2020, (Accepted/In press) In : Clinical Journal of Gastroenterology.

Research output: Contribution to journalArticle

Disappearance of angiodysplasia following transcatheter aortic valve implantation in a patient with heyde’s syndrome: A case report and review of the literature

Tsuchiya, S., Matsumoto, Y., Doman, T., Fujiya, T., Sugisawa, J., Suda, A., Sato, K., Ikeda, S., Shindo, T., Kikuchi, Y., Hao, K., Takahashi, J., Hatta, W., Koike, T., Masamune, A., Saiki, Y., Horiuchi, H. & Shimokawa, H., 2020, In : Journal of atherosclerosis and thrombosis. 27, 3, p. 271-277 7 p.

Research output: Contribution to journalArticle

Open Access
3 Citations (Scopus)

Impaired mucosal integrity in proximal esophagus is involved in development of proton pump inhibitor-refractory nonerosive reflux disease

Norita, K., Asanuma, K., Koike, T., Okata, T., Fujiya, T., Abe, Y., Nakagawa, K., Hatta, W., Uno, K., Nakamura, T., Nakaya, N., Asano, N., Imatani, A., Shimosegawa, T. & Masamune, A., 2020, (Accepted/In press) In : Digestion.

Research output: Contribution to journalArticle

Open Access

Influence of the pH Value of Refluxate and Proximal Extent on Heartburn Perception in Patients with Proton Pump Inhibitor-Refractory Non-Erosive Reflux Disease

Abe, Y., Koike, T., Saito, M., Okata, T., Norita, K., Kikuchi, H., Nakagawa, K., Hatta, W., Asanuma, K., Uno, K., Asano, N., Imatani, A., Shimosegawa, T. & Masamune, A., 2020 Jul 1, In : Digestion. 101, 4, p. 375-381 7 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
1 Citation (Scopus)
2019

Age Affects Clinical Management after Noncurative Endoscopic Submucosal Dissection for Early Gastric Cancer

Esaki, M., Hatta, W., Shimosegawa, T., Oyama, T., Kawata, N., Takahashi, A., Oka, S., Hoteya, S., Nakagawa, M., Hirano, M., Matsuda, M., Ohnita, K., Shimoda, R., Yoshida, M., Dohi, O., Takada, J., Tanaka, K., Yamada, S., Tsuji, T., Ito, H. & 2 others, Aoyagi, H. & Gotoda, T., 2019 Oct 1, In : Digestive Diseases. 37, 6, p. 423-433 11 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Analysis of factors related to poor outcome after e-learning training in endoscopic diagnosis of early gastric cancer using magnifying narrow-band imaging

Ikehara, H., Doyama, H., Nakanishi, H., Hatta, W., Gotoda, T., Ishikawa, H. & Yao, K., 2019 Sep, In : Gastrointestinal Endoscopy. 90, 3, p. 440-447.e1

Research output: Contribution to journalArticle

A primary Barrett’s adenocarcinoma with a squamous cell carcinoma component

Takeuchi, A., Hatta, W., Koike, T., Saito, M., Jin, X., Asanuma, K., Uno, K., Asano, N., Imatani, A., Fujishima, F. & Masamune, A., 2019, In : Internal Medicine. 58, 17, p. 2467-2472 6 p.

Research output: Contribution to journalArticle

Open Access

Continuous liquid-suction catheter attachment for endoscope reduces volume of liquid reflux to the mouth in esophageal endoscopic submucosal dissection

Hatta, W., Koike, T., Okata, H., Hanzawa, T., Saito, M., Kondo, Y., Ara, N., Asanuma, K., Uno, K., Asano, N., Imatani, A., Iijima, K., Nakamura, T., Nakaya, N. & Masamune, A., 2019 Sep 1, In : Digestive Endoscopy. 31, 5, p. 527-534 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Different risk factors between early and late cancer recurrences in patients without additional surgery after noncurative endoscopic submucosal dissection for early gastric cancer

Yamada, S., Hatta, W., Shimosegawa, T., Takizawa, K., Oyama, T., Kawata, N., Takahashi, A., Oka, S., Hoteya, S., Nakagawa, M., Hirano, M., Esaki, M., Matsuda, M., Nakaya, N. & Gotoda, T., 2019 May, In : Gastrointestinal Endoscopy. 89, 5, p. 950-960 11 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
Open Access

Is Additional Surgery Always Sufficient for Preventing Recurrence After Endoscopic Submucosal Dissection with Curability C-2 for Early Gastric Cancer?

Hatta, W., Gotoda, T., Oyama, T., Kawata, N., Takahashi, A., Oka, S., Hoteya, S., Nakagawa, M., Hirano, M., Esaki, M., Matsuda, M., Ohnita, K., Shimoda, R., Yoshida, M., Dohi, O., Takada, J., Tanaka, K., Yamada, S., Tsuji, T., Ito, H. & 5 others, Aoyagi, H., Nakamura, T., Nakaya, N., Shimosegawa, T. & Masamune, A., 2019 Oct 1, In : Annals of Surgical Oncology. 26, 11, p. 3636-3643 8 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Long-term outcomes after non-curative endoscopic submucosal dissection for early gastric cancer according to hospital volumes in Japan: a multicenter propensity-matched analysis

Dohi, O., Hatta, W., Gotoda, T., Naito, Y., Oyama, T., Kawata, N., Takahashi, A., Oka, S., Hoteya, S., Nakagawa, M., Hirano, M., Esaki, M., Matsuda, M., Ohnita, K., Shimoda, R., Yoshida, M., Takada, J., Tanaka, K., Yamada, S., Tsuji, T. & 3 others, Ito, H., Aoyagi, H. & Shimosegawa, T., 2019 Dec 1, In : Surgical endoscopy. 33, 12, p. 4078-4088 11 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Strong Intra-Esophageal Reflux May Contribute to the Development of Barrett's Adenocarcinoma and Affect the Localization

Saito, M., Koike, T., Nakagawa, K., Abe, Y., Norita, K., Kikuchi, H., Kanno, T., Hatta, W., Ara, N., Uno, K., Asanuma, K., Asano, N., Imatani, A., Shimosegawa, T. & Masamune, A., 2019, (Accepted/In press) In : Digestion.

Research output: Contribution to journalArticle

2018

Detection of acetaldehyde in the esophageal tissue among healthy male subjects after ethanol drinking and subsequent L-Cysteine intake

Okata, H., Hatta, W., Iijima, K., Asanuma, K., Tsuruya, A., Asano, N., Koike, T., Hamada, S., Nakayama, T., Masamune, A. & Shimosegawa, T., 2018 Apr, In : Tohoku Journal of Experimental Medicine. 244, 4, p. 317-325 9 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Is the eCura system useful for selecting patients who require radical surgery after noncurative endoscopic submucosal dissection for early gastric cancer? A comparative study

Hatta, W., Gotoda, T., Oyama, T., Kawata, N., Takahashi, A., Yoshifuku, Y., Hoteya, S., Nakagawa, M., Hirano, M., Esaki, M., Matsuda, M., Ohnita, K., Yamanouchi, K., Yoshida, M., Dohi, O., Takada, J., Tanaka, K., Yamada, S., Tsuji, T., Ito, H. & 4 others, Hayashi, Y., Nakamura, T., Nakaya, N. & Shimosegawa, T., 2018 May 1, In : Gastric Cancer. 21, 3, p. 481-489 9 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Leptin aggravates reflux esophagitis by increasing tissue levels of macrophage migration inhibitory factor in rats

Murata, T., Asanuma, K., Ara, N., Iijima, K., Hatta, W., Hamada, S., Asano, N., Koike, T., Imatani, A., Masamune, A. & Shimosegawa, T., 2018 May, In : Tohoku Journal of Experimental Medicine. 245, 1, p. 45-53 9 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Long-term oncological outcomes of submucosal manipulation during non-curative endoscopic submucosal dissection for submucosal invasive gastric cancer: a multicenter retrospective study in Japan

Ito, H., Gotoda, T., Oyama, T., Kawata, N., Takahashi, A., Yoshifuku, Y., Hoteya, S., Nakagawa, M., Hatta, W., Hirano, M., Esaki, M., Matsuda, M., Ohnita, K., Shimoda, R., Yoshida, M., Dohi, O., Takada, J., Tanaka, K., Yamada, S., Tsuji, T. & 4 others, Hayashi, Y., Nakaya, N., Nakamura, T. & Shimosegawa, T., 2018 Jan 1, In : Surgical endoscopy. 32, 1, p. 196-203 8 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Recurrence patterns and outcomes of salvage surgery in cases of non-curative endoscopic submucosal dissection without additional radical surgery for early gastric cancer

Takizawa, K., Hatta, W., Gotoda, T., Kawata, N., Nakagawa, M., Takahashi, A., Esaki, M., Mitoro, A., Yamada, S., Tanaka, K., Matsuda, M., Takada, J., Oka, S., Ito, H., Ohnita, K., Shimoda, R., Hoteya, S., Oyama, T. & Shimosegawa, T., 2018 Dec 1, In : Digestion. 99, 1, p. 52-58 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

The Role of an Undifferentiated Component in Submucosal Invasion and Submucosal Invasion Depth after Endoscopic Submucosal Dissection for Early Gastric Cancer

Miyahara, K., Hatta, W., Nakagawa, M., Oyama, T., Kawata, N., Takahashi, A., Yoshifuku, Y., Hoteya, S., Hirano, M., Esaki, M., Matsuda, M., Ohnita, K., Shimoda, R., Yoshida, M., Dohi, O., Takada, J., Tanaka, K., Yamada, S., Tsuji, T., Ito, H. & 2 others, Aoyagi, H. & Shimosegawa, T., 2018 Oct 1, In : Digestion. 98, 3, p. 161-168 8 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

The Use of Higher Dose Steroids Increases the Risk of Rebleeding After Endoscopic Hemostasis for Peptic Ulcer Bleeding

Kondo, Y., Hatta, W., Koike, T., Takahashi, Y., Saito, M., Kanno, T., Asanuma, K., Asano, N., Imatani, A. & Masamune, A., 2018 Nov 1, In : Digestive Diseases and Sciences. 63, 11, p. 3033-3040 8 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2017

A case of type 3 gastric neuroendocrine tumor with detailed endoscopic examination before treatment

Norita, K., Hatta, W., Koike, T., Kondo, Y., Ara, N., Asanuma, K., Asano, N., Kasazima, A., Sasano, H. & Shimosegawa, T., 2017, In : GASTROENTEROLOGICAL ENDOSCOPY. 59, 2, p. 177-183 7 p.

Research output: Contribution to journalArticle

A Scoring System to Stratify Curability after Endoscopic Submucosal Dissection for Early Gastric Cancer: "eCura system"

Hatta, W., Gotoda, T., Oyama, T., Kawata, N., Takahashi, A., Yoshifuku, Y., Hoteya, S., Nakagawa, M., Hirano, M., Esaki, M., Matsuda, M., Ohnita, K., Yamanouchi, K., Yoshida, M., Dohi, O., Takada, J., Tanaka, K., Yamada, S., Tsuji, T., Ito, H. & 4 others, Hayashi, Y., Nakaya, N., Nakamura, T. & Shimosegawa, T., 2017 Jun 1, In : American Journal of Gastroenterology. 112, 6, p. 874 and 881

Research output: Contribution to journalArticle

68 Citations (Scopus)

Different time trend and management of esophagogastric junction adenocarcinoma in three Asian countries

Hatta, W., Tong, D., Lee, Y. Y., Ichihara, S., Uedo, N. & Gotoda, T., 2017 Apr, In : Digestive Endoscopy. 29, p. 18-25 8 p.

Research output: Contribution to journalArticle

Open Access
14 Citations (Scopus)

Endoscopic gastric mucosal atrophy distinguishes the characteristics of superficial esophagogastric junction adenocarcinoma

Uedo, N., Yoshio, T., Yoshinaga, S., Takeuchi, M., Hatta, W., Yano, T., Tanuma, T., Goto, O., Takahashi, A., Tong, D., Lee, Y. Y., Nakayama, Y., Ichihara, S. & Gotoda, T., 2017 Apr, In : Digestive Endoscopy. 29, p. 26-36 11 p.

Research output: Contribution to journalArticle

Open Access
4 Citations (Scopus)

Factors Associated with Metachronous Gastric Cancer Development after Endoscopic Submucosal Dissection for Early Gastric Cancer

Ami, R., Hatta, W., Iijima, K., Koike, T., Ohkata, H., Kondo, Y., Ara, N., Asanuma, K., Asano, N., Imatani, A. & Shimosegawa, T., 2017, In : Journal of Clinical Gastroenterology. 51, 6, p. 494-499 6 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Is radical surgery necessary in all patients who do not meet the curative criteria for endoscopic submucosal dissection in early gastric cancer? A multi-center retrospective study in Japan

Hatta, W., Gotoda, T., Oyama, T., Kawata, N., Takahashi, A., Yoshifuku, Y., Hoteya, S., Nakamura, K., Hirano, M., Esaki, M., Matsuda, M., Ohnita, K., Shimoda, R., Yoshida, M., Dohi, O., Takada, J., Tanaka, K., Yamada, S., Tsuji, T., Ito, H. & 3 others, Hayashi, Y., Nakamura, T. & Shimosegawa, T., 2017 Feb 1, In : Journal of gastroenterology. 52, 2, p. 175-184 10 p.

Research output: Contribution to journalArticle

64 Citations (Scopus)

Survival Benefit of Additional Surgery After Non-curative Endoscopic Submucosal Dissection for Early Gastric Cancer: A Propensity Score Matching Analysis

Suzuki, S., Gotoda, T., Hatta, W., Oyama, T., Kawata, N., Takahashi, A., Yoshifuku, Y., Hoteya, S., Nakagawa, M., Hirano, M., Esaki, M., Matsuda, M., Ohnita, K., Yamanouchi, K., Yoshida, M., Dohi, O., Takada, J., Tanaka, K., Yamada, S., Tsuji, T. & 3 others, Ito, H., Hayashi, Y. & Shimosegawa, T., 2017 Oct 1, In : Annals of Surgical Oncology. 24, 11, p. 3353-3360 8 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

The Risk Factors for Metastasis in Non-Ampullary Duodenal Neuroendocrine Tumors Measuring 20 mm or Less in Diameter

Hatta, W., Koike, T., Iijima, K., Asanuma, K., Asano, N., Musha, H., Inomata, Y., Sano, T., Endo, H., Ikehata, A., Horii, T., Ohyauchi, M., Yokosawa, S., Kasajima, A., Fujishima, F., Sasano, H., Nakaya, N., Nakamura, T. & Shimosegawa, T., 2017 Apr 1, In : Digestion. 95, 3, p. 201-209 9 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

The slow progressive nature of duodenal neuroendocrine tumor: a case report of long-term observation over 14 years

Takahashi, K., Hatta, W., Koike, T., Kanno, T., Ara, N., Asanuma, K., Asano, N., Imatani, A., Fujishima, F., Sasano, H. & Shimosegawa, T., 2017 Oct 1, In : Clinical Journal of Gastroenterology. 10, 5, p. 469-473 5 p.

Research output: Contribution to journalArticle

2016

Diagnosis and treatment of duodenal neuroendocrine tumor

Hatta, W., Koike, T., Asano, N. & Shimosegawa, T., 2016 Mar, In : GASTROENTEROLOGICAL ENDOSCOPY. 58, 3, p. 191-200 10 p.

Research output: Contribution to journalArticle

Endoscopic findings for predicting gastric acid secretion status

Hatta, W., Iijima, K., Koike, T., Kondo, Y., Ara, N., Asanuma, K., Uno, K., Asano, N., Imatani, A. & Shimosegawa, T., 2016, In : GASTROENTEROLOGICAL ENDOSCOPY. 58, 10, p. 2222-2231 10 p.

Research output: Contribution to journalArticle

Estrogen Enhances Esophageal Barrier Function by Potentiating Occludin Expression

Honda, J., Iijima, K., Asanuma, K., Ara, N., Shiroki, T., Kondo, Y., Hatta, W., Uno, K., Asano, N., Koike, T. & Shimosegawa, T., 2016 Apr 1, In : Digestive Diseases and Sciences. 61, 4, p. 1028-1038 11 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Feasibility of optical coherence tomography for the evaluation of Barrett's mucosa buried underneath esophageal squamous epithelium

Hatta, W., Uno, K., Koike, T., Ara, N., Asano, N., Iijima, K., Imatani, A., Fujishima, F. & Shimosegawa, T., 2016 May 1, In : Digestive Endoscopy. 28, 4, p. 427-433 7 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Notch1 directly induced CD133 expression in human diffuse type gastric cancers

Konishi, H., Asano, N., Imatani, A., Kimura, O., Kondo, Y., Jin, X., Kanno, T., Hatta, W., Ara, N., Asanuma, K., Koike, T. & Shimosegawa, T., 2016, In : Oncotarget. 7, 35, p. 56598-56607 10 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Prospective analysis of risk for bleeding after endoscopic biopsy without cessation of antithrombotics in Japan

Ara, N., Iijima, K., Maejima, R., Kondo, Y., Kusaka, G., Hatta, W., Uno, K., Asano, N., Koike, T., Imatani, A. & Shimosegawa, T., 2016 Jan 1, In : GASTROENTEROLOGICAL ENDOSCOPY. 58, 8, p. 1367-1374 8 p.

Research output: Contribution to journalArticle

2015

Characteristics of symptomatic reflux episodes in Japanese proton pump inhibitor-refractory non-erosive reflux disease patients

Nakagawa, K., Koike, T., Iijima, K., Saito, M., Kikuchi, H., Hatta, W., Ara, N., Uno, K., Asano, N. & Shimosegawa, T., 2015 Dec 21, In : World Journal of Gastroenterology. 21, 47, p. 13352-13359 8 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Effects of ALDH2 genotype, PPI treatment and L-Cysteine on carcinogenic acetaldehyde in gastric juice and saliva after intragastric alcohol administration

Maejima, R., Iijima, K., Kaihovaara, P., Hatta, W., Koike, T., Imatani, A., Shimosegawa, T. & Salaspuro, M., 2015 Apr 1, In : PloS one. 10, 4, e0120397.

Research output: Contribution to journalArticle

28 Citations (Scopus)

Endoscopic balloon dilatation for pharyngo-upper esophageal stricture after treatment of head and neck cancer

Maejima, R., Iijima, K., Koike, T., Ara, N., Uno, K., Hatta, W., Ogawa, T., Watanabe, K. I., Katori, Y. & Shimosegawa, T., 2015 Mar 1, In : Digestive Endoscopy. 27, 3, p. 310-316 7 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Endoscopic findings for predicting gastric acid secretion status

Hatta, W., Iijima, K., Koike, T., Kondo, Y., Ara, N., Asanuma, K., Uno, K., Asano, N., Imatani, A. & Shimosegawa, T., 2015 Jul 1, In : Digestive Endoscopy. 27, 5, p. 582-589 8 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Identification of a high-risk group for low-dose aspirin-induced gastropathy by measuring serum pepsinogen in H. pylori-infected subjects

Iijima, K., Koike, T., Ara, N., Nakagawa, K., Kondo, Y., Uno, K., Hatta, W., Asano, N., Imatani, A. & Shimosegawa, T., 2015, In : Journal of gastroenterology. 50, 3, p. 305-312 8 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Prospective analysis of risk for bleeding after endoscopic biopsy without cessation of antithrombotics in Japan

Ara, N., Iijima, K., Maejima, R., Kondo, Y., Kusaka, G., Hatta, W., Uno, K., Asano, N., Koike, T., Imatani, A. & Shimosegawa, T., 2015 May 1, In : Digestive Endoscopy. 27, 4, p. 458-464 7 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
2014

Comparison of the long-term outcomes of endoscopic resection for superficial squamous cell carcinoma and adenocarcinoma of the esophagus in Japan

Nakagawa, K., Koike, T., Iijima, K., Shinkai, H., Hatta, W., Endo, H., Ara, N., Uno, K., Asano, N., Imatani, A. & Shimosegawa, T., 2014 Mar, In : American Journal of Gastroenterology. 109, 3, p. 348-356 9 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)

Endoscopically proven case of rapid esophagogastric variceal progression and rupture as a result of portal hypertension with liver sarcoidosis

Ara, N., Iijima, K., Honda, J., Iwabuchi, T., Hatta, W., Endo, H., Koike, T., Kimura, O., Kondo, Y., Yuki, T. & Shimosegawa, T., 2014 Nov 1, In : Digestive Endoscopy. 26, 6, p. 745-748 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2012
33 Citations (Scopus)

Gastric cancers emerging after H. pylori eradication arise exclusively from non-acid-secreting areas.

Iijima, K., Abe, Y., Koike, T., Uno, K., Endo, H., Hatta, W., Asano, N., Asanuma, K., Imatani, A. & Shimosegawa, T., 2012, In : the tohoku journal of experimental medicine. 226, 1, p. 45-53 9 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2011

Direct measurement of gastroesophageal reflux episodes in patients with squamous cell carcinoma by 24-h pH-impedance monitoring

Uno, K., Iijima, K., Hatta, W., Koike, T., Abe, Y., Asano, N., Kusaka, G. & Shimosegawa, T., 2011 Nov, In : American Journal of Gastroenterology. 106, 11, p. 1923-1929 7 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Signet ring cell gastric cancer occurring after radiation therapy for helicobacter pylori-uninfected mucosa-associated lymphoid tissue lymphoma

Asano, N., Iijima, K., Terai, S., Uno, K., Endo, H., Koike, T., Iwai, W., Iwabuchi, T., Hatta, W., Abe, Y., Imatani, A. & Shimosegawa, T., 2011 May, In : Case Reports in Gastroenterology. 5, 2, p. 325-329 5 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)