Patient Portal

Ken Yamaguchi, MD

Professor, Orthopedic Surgery
Sam and Marilyn Fox Distinguished Professor of Orthopaedic Surgery
Vice Chair, Quality and Research - Orthopaedic Surgery

Specialty Areas

Orthopedic Surgery
Shoulder and Elbow Surgery

Board Certifications

Orthopedic Surgery

Hospital Affiliations

Barnes-Jewish Hospital
VA Medical Center - St. Louis - John Cochran Division
Barnes-Jewish West County Hospital
St. Louis Children's Hospital

Areas of Clinical Interest

Orthopedics, degenerative, traumatic, and orthopedic sports disorders of the shoulder and elbow, arthroscopic surgery, minimally invasive surgery, rotator cuff disorders, degenerative arthritis of the shoulder, rheumatic arthritis of the shoulder and elbow, instability, frozen shoulder, fracture treatment, repetitive motion disorders

  • Maps & Directions
  • Education
  • Publication & Research
  • Financial Disclosures

Maps & Directions

Maps & Directions

Washington University and Barnes-Jewish Orthopedic Center

14532 S. Outer 40 Drive
Chesterfield, MO 63017

Office Phone: 314-514-3500

Center for Advanced Medicine
Neurosurgical Cervical Spine Institute and Spine Center

4921 Parkview Place
St. Louis, MO 63110

Suite: A
Floor: 12
Office Phone: 314-514-3500
Fax: 314-747-2266

Education

Education

Fellowship: Shoulder and Elbow, Columbia Presbyterian Medical Center, New York, New York 1995
Residency: Orthopedic Surgery, George Washington University, Washington D.C. 1994
Medical School: George Washington University, Washington, DC 1989

Publication & Research

Publication & Research

Shark genomes provide insights into elasmobranch evolution and the origin of vertebrates.
Hara Y, Yamaguchi K, Onimaru K, Kadota M, Koyanagi M, Keeley SD, Tatsumi K, Tanaka K, Motone F, Kageyama Y, Nozu R, Adachi N, Nishimura O, Nakagawa R, Tanegashima C, Kiyatake I, Matsumoto R, Murakumo K, Nishida K, Terakita A, Kuratani S, Sato K, Hyodo S, Kuraku S
Nat Ecol Evol. 2018 Oct 8; doi: 10.1038/s41559-018-0673-5.

PMID:
    30297745
    [PubMed - as supplied by publisher]
Related citations


Efficacy of liquid-based genetic diagnosis of endometrial cancer.
Matsuura M, Yamaguchi K, Tamate M, Satohisa S, Teramoto M, Iwasaki M, Sugita S, Hasegawa T, Koubo R, Takane K, Ikenoue T, Furukawa Y, Saito T
Cancer Sci. 2018 Oct 5; doi: 10.1111/cas.13819.

PMID:
    30289582
    [PubMed - as supplied by publisher]
Related citations


A phase II study of NK012, a polymeric micelle formulation of SN-38, in unresectable, metastatic or recurrent colorectal cancer patients.
Hamaguchi T, Tsuji A, Yamaguchi K, Takeda K, Uetake H, Esaki T, Amagai K, Sakai D, Baba H, Kimura M, Matsumura Y, Tsukamoto T
Cancer Chemother Pharmacol. 2018 Oct 4; doi: 10.1007/s00280-018-3693-6.

PMID:
    30284603
    [PubMed - as supplied by publisher]
Related citations


Two Cases of Long-Term Survival of Advanced Colorectal Cancer with Synchronous Lung Metastases Treated with mFOLFOX6/XELOX + Bevacizumab.
Ushida Y, Shinozaki E, Chin K, Suenaga M, Takahari D, Ozaka M, Ogura M, Ichimura T, Wakatsuki T, Yamaguchi K
Case Rep Oncol. 2018 May-Aug; 11(2)601-608. doi: 10.1159/000492568.

PMID:
    30283317
    [PubMed]
Related citations


The inhibition of thymidine phosphorylase can reverse acquired 5FU-resistance in gastric cancer cells.
Mori R, Yoshida K, Futamura M, Suetsugu T, Shizu K, Tanahashi T, Tanaka Y, Matsuhashi N, Yamaguchi K
Gastric Cancer. 2018 Oct 1; doi: 10.1007/s10120-018-0881-3.

PMID:
    30276573
    [PubMed - as supplied by publisher]
Related citations


Evidence of non-tandemly repeated rDNAs and their intragenomic heterogeneity in <i>Rhizophagus irregularis</i>.
Maeda T, Kobayashi Y, Kameoka H, Okuma N, Takeda N, Yamaguchi K, Bino T, Shigenobu S, Kawaguchi M
Commun Biol. 2018; 187. doi: 10.1038/s42003-018-0094-7.

PMID:
    30271968
    [PubMed]
Related citations


Pulmonary Dysfunction Function and Poor Nutritional Status are Risk Factors for Remote Infections Following Surgery for Colorectal Cancer.
Sagawa M, Yoshimatsu K, Yokomizo H, Yano Y, Okayama S, Yamada Y, Usui T, Yamaguchi K, Shiozawa S, Shimakawa T, Katsube T, Kato H, Naritaka Y
J Nippon Med Sch. 2018; 85(4)208-214. doi: 10.1272/jnms.JNMS.2018_85-32.

PMID:
    30259889
    [PubMed - in process]
Related citations


Repeated inversions within a pannier intron drive diversification of intraspecific colour patterns of ladybird beetles.
Ando T, Matsuda T, Goto K, Hara K, Ito A, Hirata J, Yatomi J, Kajitani R, Okuno M, Yamaguchi K, Kobayashi M, Takano T, Minakuchi Y, Seki M, Suzuki Y, Yano K, Itoh T, Shigenobu S, Toyoda A, Niimi T
Nat Commun. 2018 Sep 21; 9(1)3843. doi: 10.1038/s41467-018-06116-1.

PMID:
    30242156
    [PubMed - in process]
Related citations


A novel malleable continuous suction tube made of ultrathin stainless-steel foil enclosed between two ultrafine mesh layers: technical note.
Ryu B, Sato S, Inoue T, Yamaguchi K, Kawamata T, Okada Y
World Neurosurg. 2018 Sep 18; pii: S1878-8750(18)32105-3. doi: 10.1016/j.wneu.2018.09.059.

PMID:
    30240861
    [PubMed - as supplied by publisher]
Related citations


Breast MRI findings of fibroadenoma with hemorrhagic infarction.
Fukui S, Yamaguchi K, Nakazono T, Egashira R, Nakamura J, Masuda M, Irie H
Breast J. 2018 Sep 21; doi: 10.1111/tbj.13137.

PMID:
    30240064
    [PubMed - as supplied by publisher]
Related citations


CT-based mediastinal compartment classifications and differential diagnosis of mediastinal tumors.
Nakazono T, Yamaguchi K, Egashira R, Takase Y, Nojiri J, Mizuguchi M, Irie H
Jpn J Radiol. 2018 Sep 20; doi: 10.1007/s11604-018-0777-5.

PMID:
    30238278
    [PubMed - as supplied by publisher]
Related citations


[III. Conversion Therapy for Gastric Cancer].
Tanahashi T, Yamaguchi K, Yasufuku I, Tanaka Y, Matsuhashi N, Takahashi T, Yoshida K
Gan To Kagaku Ryoho. 2018 Sep; 45(9)1254-1258.

PMID:
    30237366
    [PubMed - in process]
Related citations


SA4503, A Potent Sigma-1 Receptor Ligand, Ameliorates Synaptic Abnormalities and Cognitive Dysfunction in a Mouse Model of ATR-X Syndrome.
Yamaguchi K, Shioda N, Yabuki Y, Zhang C, Han F, Fukunaga K
Int J Mol Sci. 2018 Sep 18; 19(9)pii: E2811. doi: 10.3390/ijms19092811.

PMID:
    30231518
    [PubMed - in process]
Related citations


High-Vacuum Particulate-Free Deposition of Wafer-Scale Mono-, Bi-, and Trilayer Molybdenum Disulfide with Superior Transport Properties.
Almeida K, Wurch M, Geremew A, Yamaguchi K, Empante TA, Valentin MD, Gomez M, Berges AJ, Stecklein G, Rumyantsev S, Martinez J, Balandin AA, Bartels L
ACS Appl Mater Interfaces. 2018 Oct 3; 10(39)33457-33463. doi: 10.1021/acsami.8b10857.

PMID:
    30192131
    [PubMed]
Related citations


PD-1+ TIM-3+ T cells in malignant ascites predict prognosis of gastrointestinal cancer.
Nakano M, Ito M, Tanaka R, Yamaguchi K, Ariyama H, Mitsugi K, Yoshihiro T, Ohmura H, Tsuruta N, Hanamura F, Sagara K, Okumura Y, Nio K, Tsuchihashi K, Arita S, Kusaba H, Akashi K, Baba E
Cancer Sci. 2018 Sep; 109(9)2986-2992. doi: 10.1111/cas.13723.

PMID:
    30187676
    [PubMed - indexed for MEDLINE]
Related citations


Relationship Between Thymidine Kinase 1 Expression and Trifluridine/Tipiracil Therapy in Refractory Metastatic Colorectal Cancer: A Pooled Analysis of 2 Randomized Clinical Trials.
Yoshino T, Yamazaki K, Shinozaki E, Komatsu Y, Nishina T, Baba H, Tsuji A, Tsuji Y, Yamaguchi K, Sugimoto N, Denda T, Muro K, Takayama T, Esaki T, Hamamoto Y, Moriwaki T, Shimada Y, Goto M, Nakayama N, Fujii H, Tanase T, Ohtsu A
Clin Colorectal Cancer. 2018 Jul 26; pii: S1533-0028(18)30261-5. doi: 10.1016/j.clcc.2018.07.009.

PMID:
    30172759
    [PubMed - as supplied by publisher]
Related citations


Comparative Utilization of Reverse and Anatomic Total Shoulder Arthroplasty: A Comprehensive Analysis of a High-volume Center.
Chalmers PN, Salazar DH, Romeo AA, Keener JD, Yamaguchi K, Chamberlain AM
J Am Acad Orthop Surg. 2018 Aug 29; doi: 10.5435/JAAOS-D-17-00075.

PMID:
    30161057
    [PubMed - as supplied by publisher]
Related citations


Antitumor Effect of Nivolumab on Subsequent Chemotherapy for Platinum-Resistant Ovarian Cancer.
Inayama Y, Hamanishi J, Matsumura N, Murakami R, Abiko K, Yamaguchi K, Baba T, Horie K, Konishi I, Mandai M
Oncologist. 2018 Aug 29; pii: theoncologist.2018-0167. doi: 10.1634/theoncologist.2018-0167.

PMID:
    30158286
    [PubMed - as supplied by publisher]
Related citations


Local recurrence of T1a rectal cancer following radical endoscopic mucosal resection: A case report.
Matsumoto K, Matsuhashi N, Takahashi T, Tanahashi T, Matsui S, Suetsugu T, Tajima JY, Imai T, Imai H, Tanaka Y, Yamaguchi K, Suzui N, Miyazaki T, Yoshida K
Mol Clin Oncol. 2018 Sep; 9(3)305-309. doi: 10.3892/mco.2018.1667.

PMID:
    30155253
    [PubMed]
Related citations


Bevacizumab with Single-agent Chemotherapy in Previously Treated Non-squamous Non-small-cell Lung Cancer: Phase II Study.
Yamaguchi K, Masuda T, Fujitaka K, Miwata K, Sakamoto S, Horimasu Y, Hamai K, Miyamoto S, Nakashima T, Okamoto Y, Iwamoto H, Ishikawa N, Miyata Y, Okada M, Hamada H, Hattori N
In Vivo. 2018 Sep-Oct; 32(5)1155-1160. doi: 10.21873/invivo.11358.

PMID:
    30150438
    [PubMed - in process]
Related citations

Financial Disclosures

Financial Disclosures

Disclosure of Financial Interests with Industry

Washington University and its physicians and health professionals are committed to ensuring integrity and objectivity in medical decision-making. Some of our physicians and health professionals work collaboratively with pharmaceutical, medical device or other medical care related companies to develop innovative ideas and products that can improve health care delivery and clinical outcomes for patients. In some instances, our physicians and health professionals have an ownership or potential ownership interest in a commercial company; and/or are paid by a commercial company to provide advice on product design or to speak about the use of medications, devices, equipment or procedures. These payments may include: a) compensation for consulting and speaking engagements, b) equity, and/or c) royalties for products invented by our faculty. Any payments to Washington University physicians or health professionals must be based on tangible services and may not exceed fair market value for their work. In addition to disclosure on this website, physicians and health professionals earning more than $10,000 per year must disclose their corporate financial relationship in writing to patients when prescribing or using that company's products.

This physician reported the following financial interests during calendar year 2017:

Company Name: Tornier-Wright

Royalties: $80,000 - $99,999

Equity: No

Consulting/Advisory Board:

Speaker Fees:

Reporting Date: May 01, 2018


Company Name: Zimmer Biomet

Royalties: $80,000 - $99,999

Equity: No

Consulting/Advisory Board: $60,000 - $79,999

Speaker Fees:

Reporting Date: May 01, 2018