Sakiko Hiraoka

  • 1021 Citations
  • 16 h-Index
20042019
If you made any changes in Pure these will be visible here soon.

Research Output 2004 2019

  • 1021 Citations
  • 16 h-Index
  • 84 Article
  • 3 Review article
  • 1 Letter
Filter
Article
2019

A granulation polyp in the colon masquerading as metastatic cancer

Iwamuro, M., Takahara, M., Yamazaki, T., Tanaka, T., Kondo, Y., Hiraoka, S. & Okada, H., Jan 1 2019, In : Acta medica Okayama. 73, 5, p. 457-461 5 p.

Research output: Contribution to journalArticle

Chemotherapy
Granulation
Polyps
Pemetrexed
Brain
1 Citation (Scopus)

Berberine improved experimental chronic colitis by regulating interferon-γ- and IL-17A-producing lamina propria CD4+ T cells through AMPK activation

Takahara, M., Takaki, A., Hiraoka, S., Adachi, T., Shimomura, Y., Matsushita, H., Nguyen, T. T. T., Koike, K., Ikeda, A., Takashima, S., Yamasaki, Y., Inokuchi, T., Kinugasa, H., Sugihara, Y., Harada, K., Eikawa, S., Morita, H., Udono, H. & Okada, H., Dec 1 2019, In : Scientific reports. 9, 1, 11934.

Research output: Contribution to journalArticle

Open Access
Berberine
AMP-Activated Protein Kinases
Interleukin-17
Colitis
Interferons

Blue laser imaging and linked color imaging improve the color difference value and visibility of colorectal polyps in underwater conditions

Yamasaki, Y., Harada, K., Yamamoto, S., Yasutomi, E., Okanoue, S., Hirai, M., Oka, S., Obayashi, Y., Sakae, H., Hamada, K., Inokuchi, T., Kinugasa, H., Sugihara, Y., Takahara, M., Tanaka, T., Hiraoka, S., Kawahara, Y. & Okada, H., Nov 23 2019, In : Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Research output: Contribution to journalArticle

Open Access
Polyps
Lasers
Color
Adenomatous Polyps
Light

Comparison of Two Electrosurgical Modes for Endoscopic Submucosal Dissection of Superficial Colorectal Neoplasms: A Prospective Randomized Study

Sugihara, Y., Harada, K., Oka, S., Yasutomi, E., Yamasaki, Y., Inokuchi, T., Kinugasa, H., Takahara, M., Hiraoka, S., Otsuka, F. & Okada, H., Feb 1 2019, In : Acta medica Okayama. 73, 1, p. 81-84 4 p.

Research output: Contribution to journalArticle

Dissection
Colorectal Neoplasms
Prospective Studies
Japan
Safety

High-resolution melt analysis enables simple genotyping of complicated polymorphisms of codon 18 rendering the NUDT15 diplotype

for the MENDEL study group, Jan 1 2019, (Accepted/In press) In : Journal of Gastroenterology.

Research output: Contribution to journalArticle

Codon
Genotype
Inflammatory Bowel Diseases
Haplotypes
DNA

Long-term outcomes of patients with Crohn's disease who received infliximab or adalimumab as the first-line biologics

Inokuchi, T., Takahashi, S., Hiraoka, S., Toyokawa, T., Takagi, S., Takemoto, K., Miyaike, J., Fujimoto, T., Higashi, R., Morito, Y., Nawa, T., Suzuki, S., Nishimura, M., Inoue, M., Kato, J. & Okada, H., Jan 1 2019, In : Journal of Gastroenterology and Hepatology (Australia).

Research output: Contribution to journalArticle

Biological Products
Crohn Disease
Treatment Failure
Multicenter Studies
Adalimumab

Report on the results of the questionnaire for female endoscopists about the education and training system for female trainee endoscopists.

Harada, N., Hiraoka, S., Nakamura, S. I., Shiratori, K., Haruma, K., Kawai, T., Morita, Y., Yokoi, C. & Minami, H., Jan 1 2019, In : GASTROENTEROLOGICAL ENDOSCOPY. 61, 6, p. 1264-1271 8 p.

Research output: Contribution to journalArticle

Continuing Education
Education
Japan
Surveys and Questionnaires
1 Citation (Scopus)
Crohn Disease
Randomized Controlled Trials
Maintenance
Adrenal Cortex Hormones
Adalimumab
2018

A case of diffuse esophageal spasm treated with peroral endoscopic myotomy

Sugihara, Y., Harada, K., Kato, R., Yamauchi, K., Sakae, H., Kawano, S., Hiraoka, S., Kawahara, Y., Otsuka, F. & Okada, H., Jan 1 2018, In : Acta Medica Okayama. 72, 6, p. 595-600 6 p.

Research output: Contribution to journalArticle

Diffuse Esophageal Spasm
Endoscopy
Diverticulum
Clocks
Deglutition Disorders
1 Citation (Scopus)

An elevated platelet count increases the risk of relapse in ulcerative colitis patients with mucosal healing

Nakarai, A., Kato, J., Hiraoka, S., Takashima, S., Inokuchi, T., Takahara, M., Sugihara, Y., Harada, K. & Okada, H., Jul 1 2018, In : Gut and Liver. 12, 4, p. 420-425 6 p.

Research output: Contribution to journalArticle

Platelet Count
Ulcerative Colitis
Recurrence
Time and Motion Studies
Kaplan-Meier Estimate
16 Citations (Scopus)

Clinical and Pharmacokinetic Factors Associated With Adalimumab-Induced Mucosal Healing in Patients With Crohn's Disease

DIAMOND study group, Apr 1 2018, In : Clinical Gastroenterology and Hepatology. 16, 4, p. 542-549.e1

Research output: Contribution to journalArticle

Crohn Disease
Pharmacokinetics
Odds Ratio
Confidence Intervals
Azathioprine
10 Citations (Scopus)

Clinical features of chronic enteropathy associated with SLCO2A1 gene: a new entity clinically distinct from Crohn’s disease

The CEAS study group, Aug 1 2018, In : Journal of Gastroenterology. 53, 8, p. 907-915 9 p.

Research output: Contribution to journalArticle

Crohn Disease
Genes
Primary Hypertrophic Osteoarthropathy
Ileum
Consanguinity
2 Citations (Scopus)

Colonoscopy examination requires a longer time in patients with acromegaly than in other individuals

Iwamuro, M., Yasuda, M., Hasegawa, K., Fujisawa, S., Ogura-Ochi, K., Sugihara, Y., Harada, K., Hiraoka, S., Okada, H. & Otsuka, F., Jan 1 2018, In : Endocrine Journal. 65, 2, p. 151-157 7 p.

Research output: Contribution to journalArticle

Acromegaly
Colonoscopy
Intubation
Polyps
Adenoma
4 Citations (Scopus)

Efficacy of restarting anti-tumor necrosis factor α agents after surgery in patients with Crohn's disease

Hiraoka, S., Takashima, S., Kondo, Y., Inokuchi, T., Sugihara, Y., Takahara, M., Kawano, S., Harada, K., Kato, J. & Okada, H., Jan 1 2018, In : Intestinal Research. 16, 1, p. 75-82 8 p.

Research output: Contribution to journalArticle

Crohn Disease
Tumor Necrosis Factor-alpha
Odds Ratio
Recurrence
Antibodies

Evaluation of the upper gastrointestinal tract in ulcerative colitis patients

Kato, R., Iwamuro, M., Hiraoka, S., Takashima, S., Inokuchi, T., Takahara, M., Kondo, Y., Tanaka, T. & Okada, H., Jan 1 2018, In : Acta Medica Okayama. 72, 2, p. 105-113 9 p.

Research output: Contribution to journalArticle

Upper Gastrointestinal Tract
Ulcerative Colitis
Digestive System Endoscopy
Bamboo
Mucous Membrane

Feasibility of Underwater Clip Closure for Large Mucosal Defects after Colorectal Endoscopic Submucosal Dissection

Yamasaki, Y., Harada, K., Oka, S., Takashima, S., Inokuchi, T., Sugihara, Y., Takahara, M., Hiraoka, S. & Okada, H., Jan 1 2018, (Accepted/In press) In : Digestion. p. 1-6 6 p.

Research output: Contribution to journalArticle

Surgical Instruments
Endoscopic Mucosal Resection
Incidence
5 Citations (Scopus)

Fecal immunochemical test and fecal calprotectin results show different profiles in disease monitoring for ulcerative colitis

Hiraoka, S., Inokuchi, T., Nakarai, A., Takashima, S., Takei, D., Sugihara, Y., Takahara, M., Harada, K., Okada, H. & Kato, J., Mar 1 2018, In : Gut and Liver. 12, 2, p. 142-148 7 p.

Research output: Contribution to journalArticle

Leukocyte L1 Antigen Complex
Ulcerative Colitis
Colonoscopy
Biomarkers
Inflammation
16 Citations (Scopus)
Pharmacogenetics
Leukopenia
Inflammatory Bowel Diseases
Codon
Multicenter Studies
1 Citation (Scopus)

Pseudolipomatosis of the colon and cecum followed by pneumatosis intestinalis

Iwamuro, M., Tanaka, T., Kawabata, T., Sugihara, Y., Harada, K., Hiraoka, S. & Okada, H., Jan 1 2018, In : Internal Medicine. 57, 17, p. 2501-2504 4 p.

Research output: Contribution to journalArticle

Cecum
Colonoscopy
Microbubbles
Colon
Mucous Membrane

Retention of patency capsule in a patient with Crohn's disease

Iwamura, M., Takashima, S., Iguchi, T., Takahara, M., Kawano, S., Hiraoka, S., Kondo, Y., Tanaka, T. & Okada, H., Jan 1 2018, In : Journal of Japanese Society of Gastroenterology. 115, 2, p. 203-210 8 p.

Research output: Contribution to journalArticle

Ileum
Crohn Disease
Capsules
Pathologic Constriction
Cellophane
6 Citations (Scopus)

Simultaneous measurements of faecal calprotectin and the faecal immunochemical test in quiescent ulcerative colitis patients can stratify risk of relapse

Nakarai, A., Hiraoka, S., Takahashi, S., Inaba, T., Higashi, R., Mizuno, M., Takashima, S., Inokuchi, T., Sugihara, Y., Takahara, M., Harada, K., Kato, J. & Okada, H., Jan 1 2018, In : Journal of Crohn's and Colitis. 12, 1, p. 71-76 6 p.

Research output: Contribution to journalArticle

Leukocyte L1 Antigen Complex
Ulcerative Colitis
Recurrence
Confidence Intervals
Colonoscopy

Ten initial cases of peroral endoscopic myotomy for treatment of esophageal motility disorders at Okayama University Hospital

Sugihara, Y., Harada, K., Kato, R., Yamauchi, K., Takashima, S., Takei, D., Yamasaki, Y., Inokuchi, T., Takahara, M., Hiraoka, S. & Okada, H., Jan 1 2018, In : Acta Medica Okayama. 72, 2, p. 99-104 6 p.

Research output: Contribution to journalArticle

Esophageal Motility Disorders
Esophagus
Esophageal Achalasia
Physicians
Mediastinitis
Inflammatory Bowel Diseases
Biomarkers
Hematopoietic Stem Cell Transplantation
Graft vs Host Disease
Ileum
Atrophy
Retrospective Studies
2017
2 Citations (Scopus)

Acute Appendicitis Caused by Previous Endoscopic Submucosal Dissection for an Adenoma Adjacent to the Appendiceal Orifice

Kato, R., Harada, K., Harada, K., Takei, D., Sugihara, Y., Takashima, S., Inokuchi, T., Takahara, M., Hiraoka, S., Omura, Y., Oda, W. & Okada, H., May 17 2017, (Accepted/In press) In : Case Reports in Gastroenterology. p. 271-276 6 p.

Research output: Contribution to journalArticle

Appendicitis
Adenoma
Cicatrix
Residual Neoplasm
Neoplasms

Comparing reduced-dose sodium phosphate tablets to 2 L of polyethylene glycol: A randomized study

Ako, S., Takemoto, K., Yasutomi, E., Sakaguchi, C., Murakami, M., Sunami, T., Oka, S., Kenta, H., Okazaki, N., Baba, Y., Yamasaki, Y., Asato, T., Kawai, D., Takenaka, R., Tsugeno, H., Fujiki, S., Hiraoka, S. & Kato, J., Jun 28 2017, In : World Journal of Gastroenterology. 23, 24, p. 4454-4461 8 p.

Research output: Contribution to journalArticle

Tablets
Colonoscopy
sodium phosphate
3 Citations (Scopus)

Findings of Retrograde Contrast Study Through Double-balloon Enteroscopy Predict the Risk of Bowel Resections in Patients with Crohn's Disease with Small Bowel Stenosis

Okazaki, N., Inokuchi, T., Hiraoka, S., Ohmori, M., Takashima, S., Takei, D., Sugihara, Y., Takahara, M., Harada, K., Kawano, S., Okada, H. & Kato, J., Dec 1 2017, In : Inflammatory Bowel Diseases. 23, 12, p. 2097-2103 7 p.

Research output: Contribution to journalArticle

Double-Balloon Enteroscopy
Crohn Disease
Pathologic Constriction
Small Intestine
Odds Ratio

Metachronous neoplasia and local recurrence after colorectal endoscopic submucosal dissection

Takei, D., Harada, K., Takashima, S., Inokuchi, T., Nakarai, A., Sugihara, Y., Takahara, M., Hiraoka, S. & Okada, H., Jan 1 2017, In : Acta Medica Okayama. 71, 6, p. 475-483 9 p.

Research output: Contribution to journalArticle

Dissection
Adenoma
Recurrence
Neoplasms
Tumors

Report on the results of a questionnaire on the education and training system for female trainee endoscopists

Harada, N., Nakamura, S. I., Hiraoka, S., Shiratori, K., Haruma, K., Kawai, T., Morita, Y., Yokoi, C. & Minami, H., Nov 1 2017, In : Gastroenterological Endoscopy. 59, 11, p. 2640-2646 7 p.

Research output: Contribution to journalArticle

Education
Parental Leave
Child Care
Return to Work
Internship and Residency
24 Citations (Scopus)
Crohn Disease
Anti-Idiotypic Antibodies
Pharmacokinetics
Serum
Pharmaceutical Preparations

The usefulness of colonoscopy for the detection of ileal involvement in intestinal follicular lymphoma patients

Iwamuroa, M., Takata, K., Hayashi, E., Kawano, S., Hiraoka, S., Kawahara, Y., Yoshino, T. & Okada, H., 2017, In : Acta Medica Okayama. 71, 5, p. 391-398 8 p.

Research output: Contribution to journalArticle

Follicular Lymphoma
Colonoscopy
Biopsy
Ileum
Infiltration
2016
58 Citations (Scopus)

Adalimumab monotherapy and a combination with azathioprine for Crohn's disease: A prospective, randomized trial

DIAMOND study group, 2016, In : Journal of Crohn's and Colitis. 10, 11, p. 1259-1266 8 p.

Research output: Contribution to journalArticle

Azathioprine
Crohn Disease
Adalimumab
Biological Products
Appointments and Schedules
5 Citations (Scopus)

A Novel Role of Spred2 in the Colonic Epithelial Cell Homeostasis and Inflammation

Takahashi, S., Yoshimura, T., Ohkura, T., Fujisawa, M., Fushimi, S., Ito, T., Itakura, J., Hiraoka, S., Okada, H., Yamamoto, K. & Matsukawa, A., Nov 21 2016, In : Scientific Reports. 6, 37531.

Research output: Contribution to journalArticle

Knockout Mice
Homeostasis
Epithelial Cells
Dextran Sulfate
Inflammation
13 Citations (Scopus)

Consecutive measurements by faecal immunochemical test in quiescent ulcerative colitis patients can detect clinical relapse

Hiraoka, S., Kato, J., Nakarai, A., Takashima, S., Inokuchi, T., Takei, D., Sugihara, Y., Takahara, M., Harada, K. & Okada, H., Jun 1 2016, In : Journal of Crohn's and Colitis. 10, 6, p. 687-694 8 p.

Research output: Contribution to journalArticle

Ulcerative Colitis
Recurrence
Colonoscopy
Hemoglobins
Physiologic Monitoring
22 Citations (Scopus)

Fecal immunochemical test versus fecal calprotectin for prediction of mucosal healing in Crohn's Disease

Inokuchi, T., Kato, J., Hiraoka, S., Takashima, S., Nakarai, A., Takei, D., Sugihara, Y., Takahara, M., Kawano, S., Harada, K. & Okada, H., May 1 2016, In : Inflammatory Bowel Diseases. 22, 5, p. 1078-1085 8 p.

Research output: Contribution to journalArticle

Leukocyte L1 Antigen Complex
Crohn Disease
Colonoscopy
Ulcerative Colitis
Inflammatory Bowel Diseases
10 Citations (Scopus)

Ulcerative colitis patients in clinical remission demonstrate correlations between fecal immunochemical test results, mucosal healing, and risk of relapse

Nakarai, A., Kato, J., Hiraoka, S., Takashima, S., Takei, D., Inokuchi, T., Sugihara, Y., Takahara, M., Harada, K. & Okada, H., Jun 7 2016, In : World Journal of Gastroenterology. 22, 21, p. 5079-5087 9 p.

Research output: Contribution to journalArticle

Ulcerative Colitis
Recurrence
Remission Induction
Colonoscopy
Hemoglobins
2015
1 Citation (Scopus)
Interstitial Lung Diseases
Crohn Disease
Monoclonal Antibodies
Therapeutics
Salivary Glands
5 Citations (Scopus)
Pentazocine
Infusion Pumps
Propofol
Endoscopy
Outcome Assessment (Health Care)
8 Citations (Scopus)

An open-label prospective randomized multicenter study of intensive versus weekly granulocyte and monocyte apheresis in active crohn's disease

Yoshimura, N., Yokoyama, Y., Matsuoka, K., Takahashi, H., Iwakiri, R., Yamamoto, T., Nakagawa, T., Fukuchi, T., Motoya, S., Kunisaki, R., Kato, S., Hirai, F., Ishiguro, Y., Tanida, S., Hiraoka, S., Mitsuyama, K., Ishihara, S., Tanaka, S., Otaka, M., Osada, T. & 7 others, Kagaya, T., Suzuki, Y., Nakase, H., Hanai, H., Watanabe, K., Kashiwagi, N. & Hibi, T., Nov 19 2015, In : BMC Gastroenterology. 15, 1, 163.

Research output: Contribution to journalArticle

Blood Component Removal
Granulocytes
Crohn Disease
Multicenter Studies
Monocytes
8 Citations (Scopus)

Clinical features of intestinal Behçet's disease associated with myelodysplastic syndrome and trisomy 8

Kawano, S., Hiraoka, S., Okada, H., Akita, M., Iwamuro, M. & Yamamoto, K., 2015, In : Acta Medica Okayama. 69, 6, p. 365-369 5 p.

Research output: Contribution to journalArticle

Intestinal Diseases
Behcet Syndrome
Myelodysplastic Syndromes
Gastroenterology
Trisomy Chromosome 8
4 Citations (Scopus)
Rectal Diseases
Surgical Anastomosis
Colonic Diseases
Intestinal Obstruction
Colonoscopy
45 Citations (Scopus)

Evaluation of mucosal healing in ulcerative colitis by fecal calprotectin vs. fecal immunochemical test

Takashima, S., Kato, J., Hiraoka, S., Nakarai, A., Takei, D., Inokuchi, T., Sugihara, Y., Takahara, M., Harada, K., Okada, H., Tanaka, T. & Yamamoto, K., Jun 10 2015, In : American Journal of Gastroenterology. 110, 6, p. 873-880 8 p.

Research output: Contribution to journalArticle

Leukocyte L1 Antigen Complex
Ulcerative Colitis
Colonoscopy
Nonparametric Statistics
Biomarkers
2 Citations (Scopus)

Lymphoid hyperplasia of the colon and its association with underlying allergic airway diseases

Iwamuro, M., Hiraoka, S., Okada, H., Kawai, Y., Miyabe, Y., Takata, K., Kawano, S. & Yamamoto, K., Sep 26 2015, (Accepted/In press) In : International Journal of Colorectal Disease.

Research output: Contribution to journalArticle

Hyperplasia
Colon
Allergens
Food Hypersensitivity
Cecum
6 Citations (Scopus)

The earliest trough concentration predicts the dose of tacrolimus required for remission induction therapy in ulcerative colitis patients

Hiraoka, S., Kato, J., Moritou, Y., Takei, D., Inokuchi, T., Nakarai, A., Takahashi, S., Harada, K., Okada, H. & Yamamoto, K., Apr 29 2015, In : BMC Gastroenterology. 15, 1, 53.

Research output: Contribution to journalArticle

Remission Induction
Tacrolimus
Ulcerative Colitis
Therapeutics
Cytochrome P-450 CYP3A
2014
14 Citations (Scopus)

Long-term follow-up of ulcerative colitis patients treated on the basis of their cytomegalovirus antigen status

Inokuchi, T., Kato, J., Hiraoka, S., Suzuki, H., Nakarai, A., Hirakawa, T., Akita, M., Takahashi, S., Harada, K., Okada, H. & Yamamoto, K., 2014, In : World Journal of Gastroenterology. 20, 2, p. 509-517 9 p.

Research output: Contribution to journalArticle

Cytomegalovirus
Ulcerative Colitis
Antigens
Ganciclovir
Colectomy
30 Citations (Scopus)

Prognosis of ulcerative colitis differs between patients with complete and partial mucosal healing, which can be predicted from the platelet count

Nakarai, A., Kato, J., Hiraoka, S., Inokuchi, T., Takei, D., Moritou, Y., Akita, M., Takahashi, S., Hori, K., Harada, K., Okada, H. & Yamamoto, K., Dec 28 2014, In : World Journal of Gastroenterology. 20, 48, p. 18367-18374 8 p.

Research output: Contribution to journalArticle

Platelet Count
Ulcerative Colitis
Recurrence
Colonoscopy
Hematologic Tests
5 Citations (Scopus)

Slight increases in the disease activity index and platelet count imply the presence of active intestinal lesions in C-reactive protein-negative Crohn’s disease patients

Nakarai, A., Kato, J., Hiraoka, S., Inokuchi, T., Takei, D., Morito, Y., Akita, M., Takahashi, S., Hori, K., Harada, K., Okada, H. & Yamamoto, K., 2014, In : Internal Medicine. 53, 17, p. 1905-1911 7 p.

Research output: Contribution to journalArticle

Platelet Count
Crohn Disease
C-Reactive Protein
Odds Ratio
Confidence Intervals
2013
49 Citations (Scopus)

Evaluation of mucosal healing of ulcerative colitis by a quantitative fecal immunochemical test

Nakarai, A., Kato, J., Hiraoka, S., Kuriyama, M., Akita, M., Hirakawa, T., Okada, H. & Yamamoto, K., Jan 2013, In : American Journal of Gastroenterology. 108, 1, p. 83-89 7 p.

Research output: Contribution to journalArticle

Ulcerative Colitis
Colonoscopy
Feces
Equipment and Supplies
Neoplasms

Is presence or history of extracolonic primary malignancy a risk for colorectal Neoplasia? An analysis of patients who underwent colonoscopy

Akita, M., Hiraoka, S., Kajia, E., Takemoto, K., Nagahara, Y., Yamamot, H., Yamamoto, K. & Kato, J., 2013, In : Acta Medica Okayama. 67, 5, p. 285-292 8 p.

Research output: Contribution to journalArticle

Colonoscopy
Neoplasms
Odds Ratio
Squamous Cell Neoplasms
Esophageal Neoplasms

LSTの遺伝子学的特徴

Hiraoka, S., 2013, In : INTESTINE.

Research output: Contribution to journalArticle