Education/CredentialsMedical Degree: Case Western Reserve University (School of Medicine)Bachelor's Degree: University of ChicagoResidency: University of Nevada School of Medicine (General Surgery)Fellowship: St Vincent Hospital (Advance GI Surgery, Laparoscopy, Endoscopy and Ultrasound)Fellowship: Showa University Koto-Toyosu Hospital (Advanced Surgical Endoscopy) Board Certifications & LicensesAmerican Board of Surgery (Certification Date: 2013-10-21) Contact Information Email grimeskv@mail.uc.edu Clinical Interests General SurgeryAchalasiaAcid refluxBile RefluxEsophageal AchalasiaEsophageal DiverticulumEsophageal Motility DisordersGastroesophageal Reflux Disease (GERD)HeartburnMorbid ObesityPyloric StenosisZenker Diverticulum Peer Reviewed Publications Bechara, Robert; Woo, Matthew; Hookey, Lawrence; Chung, Wiley; Grimes, Kevin; Ikeda, Haruo; Onimaru, Manabu; Sumi, Kazuya; Nakamura, Jun; Hata, Yoshitaka; Maruyama, Shota; Gomi, Kuniyo; Shimamura, Yuto; Inoue, Haruhiro 2019. Peroral endoscopic myotomy (POEM) for complex achalasia and the POEM difficulty score. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 31 2, 148-155Grimes, Kevin L; Scott, Charleen; McHenry, Christopher R 2018. Cost variation and opportunities for cost reduction for laparoscopic cholecystectomy. Surgery, 163 3, 617-621Lam, Jenny; Grimes, Kevin; Mohsin, Adnan; Tsuda, Shawn 2017. Troubleshooting common endoscopic malfunctions: a study integrating a preoperative checklist and troubleshooting guide into surgical resident training. Surgical endoscopy, 31 11, 4597-4602Tanaka, Shinwa; Toyonaga, Takashi; Morita, Yoshinori; Ishida, Tsukasa; Hoshi, Namiko; Grimes, Kevin L; Ohara, Yoshiko; Yoshizaki, Tetsuya; Kawara, Fumiaki; Umegaki, Eiji; Azuma, Takeshi 2017. Efficacy of a new hemostatic forceps during gastric endoscopic submucosal dissection: A prospective randomized controlled trial. Journal of gastroenterology and hepatology, 32 4, 846-851Grimes, Kevin L; Inoue, Haruhiro 2016. Per Oral Endoscopic Myotomy for Achalasia: A Detailed Description of the Technique and Review of the Literature. Thoracic surgery clinics, 26 2, 147-62Grimes, Kevin L; Inoue, Haruhiro; Onimaru, Manabu; Ikeda, Haruo; Tansawet, Amarit; Bechara, Robert; Tanaka, Shinwa 2016. Double-scope per oral endoscopic myotomy (POEM): a prospective randomized controlled trial. Surgical endoscopy, 30 4, 1344-51Bittner, R; Montgomery, M A; Arregui, E; Bansal, V; Bingener, J; Bisgaard, T; Buhck, H; Dudai, M; Ferzli, G S; Fitzgibbons, R J; Fortelny, R H; Grimes, K L; Klinge, U; Köckerling, F; Koeckerling, F; Kumar, S; Kukleta, J; Lomanto, D; Misra, M C; Morales-Conde, S; Reinpold, W; Rosenberg, J; Singh, K; Timoney, M; Weyhe, D; Chowbey, P 2015. Update of guidelines on laparoscopic (TAPP) and endoscopic (TEP) treatment of inguinal hernia (International Endohernia Society). Surgical endoscopy, 29 2, 289-321Bittner, R; Montgomery, M A; Arregui, E; Bansal, V; Bingener, J; Bisgaard, T; Buhck, H; Dudai, M; Ferzli, G S; Fitzgibbons, R J; Fortelny, R H; Grimes, K L; Klinge, U; Köckerling, F; Kumar, S; Kukleta, J; Lomanto, D; Misra, M C; Morales-Conde, S; Reinpold, W; Rosenberg, J; Singh, K; Timoney, M; Weyhe, D; Chowbey, P 2015. Erratum to: Update of guidelines on laparoscopic (TAPP) and endoscopic (TEP) treatment of inguinal hernia (International Endohernia Society). Surgical endoscopy, 29 6, 1655-6Deguchi, Yoshio; Mitamura, Keitaro; Omotaka, Shunsuke; Eguchi, Jun-ichi; Sakuma, Dai; Sato, Masashi; Nomura, Norihiro; Ito, Takayoshi; Grimes, Kevin Lawrence; Inoue, Haruhiro 2015. Single-incision cholecystectomy in a patient with situs inversus totalis presenting with cholelithiasis: A case report. Asian journal of endoscopic surgery, 8 3, 347-9Grimes, Kevin L; Maciel, Victor H; Mata, Wilmer; Arevalo, Gabriel; Singh, Kirpal; Arregui, Maurice E 2015. Complications of laparoscopic transgastric ERCP in patients with Roux-en-Y gastric bypass. Surgical endoscopy, 29 7, 1753-9Inoue, Haruhiro; Sato, Hiroki; Ikeda, Haruo; Onimaru, Manabu; Sato, Chiaki; Minami, Hitomi; Yokomichi, Hiroshi; Kobayashi, Yasutoshi; Grimes, Kevin L; Kudo, Shin-ei 2015. Per-Oral Endoscopic Myotomy: A Series of 500 Patients. Journal of the American College of Surgeons, 221 2, 256-64Onimaru, Manabu; Inoue, Haruhiro; Ikeda, Haruo; Sato, Chiaki; Sato, Hiroki; Phalanusitthepha, Chainarong; Santi, Esperanza Grace; Grimes, Kevin L; Ito, Hiroaki; Kudo, Shin-ei 2015. Greater curvature myotomy is a safe and effective modified technique in per-oral endoscopic myotomy (with videos). Gastrointestinal endoscopy, 81 6, 1370-7Phalanusitthepha, Chainarong; Grimes, Kevin L; Ikeda, Haruo; Sato, Hiroki; Sato, Chiaki; Hokierti, Chananya; Inoue, Haruhiro 2015. Endoscopic features of early-stage signet-ring-cell carcinoma of the stomach. World journal of gastrointestinal endoscopy, 7 7, 741-6Lipman, Jeremy M; Claridge, Jeffrey A; Haridas, Manjunath; Martin, Matthew D; Yao, David C; Grimes, Kevin L; Malangoni, Mark A 2007. Preoperative findings predict conversion from laparoscopic to open cholecystectomy. Surgery, 142 4, 556-63; discussion 5Grimes K.L.;Inoue H. 06-22-2017. Introduction: Endoscopic submucosal dissection to per oral endoscopic myotomy (POEM) Per Oral Endoscopic Myotomy (POEM), , 1-11Bittner R.;Montgomery M.A.;Arregui E.;Bansal V.;Bingener J.;Bisgaard T.;Buhck H.;Dudai M.;Ferzli G.S.;Fitzgibbons R.J.;Fortelny R.H.;Grimes K.L.;Klinge U.;Köckerling F.;Kumar S.;Kukleta J.;Lomanto D.;Misra M.C.;Morales-Conde S.;Reinpold W.;Rosenberg J.;Singh K.;Timoney M.;Weyhe D.;Chowbey P. 06-01-2015. Erratum to: Update of guidelines on laparoscopic (TAPP) and endoscopic (TEP) treatment of inguinal h Surgical Endoscopy, 29 6, 1655-1656Inoue H.;Shiwaku H.;Kobayashi Y.;Chiu P.W.Y.;Hawes R.H.;Neuhaus H.;Costamagna G.;Stavropoulos S.N.;Fukami N.;Seewald S.;Onimaru M.;Minami H.;Tanaka S.;Shimamura Y.;Santi E.G.;Grimes K.;Tajiri H. 01-01-2020. Statement for gastroesophageal reflux disease after peroral endoscopic myotomy from an international Esophagus, 17 1, 3-10Grimes K.L.;Bechara R.;Shimamura Y.;Ikeda H.;Inoue H. 01-01-2019. Gastric myotomy length affects severity but not rate of post-procedure reflux: 3-year follow-up of a Surgical Endoscopy, ,
Clinical Interests General SurgeryAchalasiaAcid refluxBile RefluxEsophageal AchalasiaEsophageal DiverticulumEsophageal Motility DisordersGastroesophageal Reflux Disease (GERD)HeartburnMorbid ObesityPyloric StenosisZenker Diverticulum
Peer Reviewed Publications Bechara, Robert; Woo, Matthew; Hookey, Lawrence; Chung, Wiley; Grimes, Kevin; Ikeda, Haruo; Onimaru, Manabu; Sumi, Kazuya; Nakamura, Jun; Hata, Yoshitaka; Maruyama, Shota; Gomi, Kuniyo; Shimamura, Yuto; Inoue, Haruhiro 2019. Peroral endoscopic myotomy (POEM) for complex achalasia and the POEM difficulty score. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 31 2, 148-155Grimes, Kevin L; Scott, Charleen; McHenry, Christopher R 2018. Cost variation and opportunities for cost reduction for laparoscopic cholecystectomy. Surgery, 163 3, 617-621Lam, Jenny; Grimes, Kevin; Mohsin, Adnan; Tsuda, Shawn 2017. Troubleshooting common endoscopic malfunctions: a study integrating a preoperative checklist and troubleshooting guide into surgical resident training. Surgical endoscopy, 31 11, 4597-4602Tanaka, Shinwa; Toyonaga, Takashi; Morita, Yoshinori; Ishida, Tsukasa; Hoshi, Namiko; Grimes, Kevin L; Ohara, Yoshiko; Yoshizaki, Tetsuya; Kawara, Fumiaki; Umegaki, Eiji; Azuma, Takeshi 2017. Efficacy of a new hemostatic forceps during gastric endoscopic submucosal dissection: A prospective randomized controlled trial. Journal of gastroenterology and hepatology, 32 4, 846-851Grimes, Kevin L; Inoue, Haruhiro 2016. Per Oral Endoscopic Myotomy for Achalasia: A Detailed Description of the Technique and Review of the Literature. Thoracic surgery clinics, 26 2, 147-62Grimes, Kevin L; Inoue, Haruhiro; Onimaru, Manabu; Ikeda, Haruo; Tansawet, Amarit; Bechara, Robert; Tanaka, Shinwa 2016. Double-scope per oral endoscopic myotomy (POEM): a prospective randomized controlled trial. Surgical endoscopy, 30 4, 1344-51Bittner, R; Montgomery, M A; Arregui, E; Bansal, V; Bingener, J; Bisgaard, T; Buhck, H; Dudai, M; Ferzli, G S; Fitzgibbons, R J; Fortelny, R H; Grimes, K L; Klinge, U; Köckerling, F; Koeckerling, F; Kumar, S; Kukleta, J; Lomanto, D; Misra, M C; Morales-Conde, S; Reinpold, W; Rosenberg, J; Singh, K; Timoney, M; Weyhe, D; Chowbey, P 2015. Update of guidelines on laparoscopic (TAPP) and endoscopic (TEP) treatment of inguinal hernia (International Endohernia Society). Surgical endoscopy, 29 2, 289-321Bittner, R; Montgomery, M A; Arregui, E; Bansal, V; Bingener, J; Bisgaard, T; Buhck, H; Dudai, M; Ferzli, G S; Fitzgibbons, R J; Fortelny, R H; Grimes, K L; Klinge, U; Köckerling, F; Kumar, S; Kukleta, J; Lomanto, D; Misra, M C; Morales-Conde, S; Reinpold, W; Rosenberg, J; Singh, K; Timoney, M; Weyhe, D; Chowbey, P 2015. Erratum to: Update of guidelines on laparoscopic (TAPP) and endoscopic (TEP) treatment of inguinal hernia (International Endohernia Society). Surgical endoscopy, 29 6, 1655-6Deguchi, Yoshio; Mitamura, Keitaro; Omotaka, Shunsuke; Eguchi, Jun-ichi; Sakuma, Dai; Sato, Masashi; Nomura, Norihiro; Ito, Takayoshi; Grimes, Kevin Lawrence; Inoue, Haruhiro 2015. Single-incision cholecystectomy in a patient with situs inversus totalis presenting with cholelithiasis: A case report. Asian journal of endoscopic surgery, 8 3, 347-9Grimes, Kevin L; Maciel, Victor H; Mata, Wilmer; Arevalo, Gabriel; Singh, Kirpal; Arregui, Maurice E 2015. Complications of laparoscopic transgastric ERCP in patients with Roux-en-Y gastric bypass. Surgical endoscopy, 29 7, 1753-9Inoue, Haruhiro; Sato, Hiroki; Ikeda, Haruo; Onimaru, Manabu; Sato, Chiaki; Minami, Hitomi; Yokomichi, Hiroshi; Kobayashi, Yasutoshi; Grimes, Kevin L; Kudo, Shin-ei 2015. Per-Oral Endoscopic Myotomy: A Series of 500 Patients. Journal of the American College of Surgeons, 221 2, 256-64Onimaru, Manabu; Inoue, Haruhiro; Ikeda, Haruo; Sato, Chiaki; Sato, Hiroki; Phalanusitthepha, Chainarong; Santi, Esperanza Grace; Grimes, Kevin L; Ito, Hiroaki; Kudo, Shin-ei 2015. Greater curvature myotomy is a safe and effective modified technique in per-oral endoscopic myotomy (with videos). Gastrointestinal endoscopy, 81 6, 1370-7Phalanusitthepha, Chainarong; Grimes, Kevin L; Ikeda, Haruo; Sato, Hiroki; Sato, Chiaki; Hokierti, Chananya; Inoue, Haruhiro 2015. Endoscopic features of early-stage signet-ring-cell carcinoma of the stomach. World journal of gastrointestinal endoscopy, 7 7, 741-6Lipman, Jeremy M; Claridge, Jeffrey A; Haridas, Manjunath; Martin, Matthew D; Yao, David C; Grimes, Kevin L; Malangoni, Mark A 2007. Preoperative findings predict conversion from laparoscopic to open cholecystectomy. Surgery, 142 4, 556-63; discussion 5Grimes K.L.;Inoue H. 06-22-2017. Introduction: Endoscopic submucosal dissection to per oral endoscopic myotomy (POEM) Per Oral Endoscopic Myotomy (POEM), , 1-11Bittner R.;Montgomery M.A.;Arregui E.;Bansal V.;Bingener J.;Bisgaard T.;Buhck H.;Dudai M.;Ferzli G.S.;Fitzgibbons R.J.;Fortelny R.H.;Grimes K.L.;Klinge U.;Köckerling F.;Kumar S.;Kukleta J.;Lomanto D.;Misra M.C.;Morales-Conde S.;Reinpold W.;Rosenberg J.;Singh K.;Timoney M.;Weyhe D.;Chowbey P. 06-01-2015. Erratum to: Update of guidelines on laparoscopic (TAPP) and endoscopic (TEP) treatment of inguinal h Surgical Endoscopy, 29 6, 1655-1656Inoue H.;Shiwaku H.;Kobayashi Y.;Chiu P.W.Y.;Hawes R.H.;Neuhaus H.;Costamagna G.;Stavropoulos S.N.;Fukami N.;Seewald S.;Onimaru M.;Minami H.;Tanaka S.;Shimamura Y.;Santi E.G.;Grimes K.;Tajiri H. 01-01-2020. Statement for gastroesophageal reflux disease after peroral endoscopic myotomy from an international Esophagus, 17 1, 3-10Grimes K.L.;Bechara R.;Shimamura Y.;Ikeda H.;Inoue H. 01-01-2019. Gastric myotomy length affects severity but not rate of post-procedure reflux: 3-year follow-up of a Surgical Endoscopy, ,
Bechara, Robert; Woo, Matthew; Hookey, Lawrence; Chung, Wiley; Grimes, Kevin; Ikeda, Haruo; Onimaru, Manabu; Sumi, Kazuya; Nakamura, Jun; Hata, Yoshitaka; Maruyama, Shota; Gomi, Kuniyo; Shimamura, Yuto; Inoue, Haruhiro 2019. Peroral endoscopic myotomy (POEM) for complex achalasia and the POEM difficulty score. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 31 2, 148-155Grimes, Kevin L; Scott, Charleen; McHenry, Christopher R 2018. Cost variation and opportunities for cost reduction for laparoscopic cholecystectomy. Surgery, 163 3, 617-621Lam, Jenny; Grimes, Kevin; Mohsin, Adnan; Tsuda, Shawn 2017. Troubleshooting common endoscopic malfunctions: a study integrating a preoperative checklist and troubleshooting guide into surgical resident training. Surgical endoscopy, 31 11, 4597-4602Tanaka, Shinwa; Toyonaga, Takashi; Morita, Yoshinori; Ishida, Tsukasa; Hoshi, Namiko; Grimes, Kevin L; Ohara, Yoshiko; Yoshizaki, Tetsuya; Kawara, Fumiaki; Umegaki, Eiji; Azuma, Takeshi 2017. Efficacy of a new hemostatic forceps during gastric endoscopic submucosal dissection: A prospective randomized controlled trial. Journal of gastroenterology and hepatology, 32 4, 846-851Grimes, Kevin L; Inoue, Haruhiro 2016. Per Oral Endoscopic Myotomy for Achalasia: A Detailed Description of the Technique and Review of the Literature. Thoracic surgery clinics, 26 2, 147-62Grimes, Kevin L; Inoue, Haruhiro; Onimaru, Manabu; Ikeda, Haruo; Tansawet, Amarit; Bechara, Robert; Tanaka, Shinwa 2016. Double-scope per oral endoscopic myotomy (POEM): a prospective randomized controlled trial. Surgical endoscopy, 30 4, 1344-51Bittner, R; Montgomery, M A; Arregui, E; Bansal, V; Bingener, J; Bisgaard, T; Buhck, H; Dudai, M; Ferzli, G S; Fitzgibbons, R J; Fortelny, R H; Grimes, K L; Klinge, U; Köckerling, F; Koeckerling, F; Kumar, S; Kukleta, J; Lomanto, D; Misra, M C; Morales-Conde, S; Reinpold, W; Rosenberg, J; Singh, K; Timoney, M; Weyhe, D; Chowbey, P 2015. Update of guidelines on laparoscopic (TAPP) and endoscopic (TEP) treatment of inguinal hernia (International Endohernia Society). Surgical endoscopy, 29 2, 289-321Bittner, R; Montgomery, M A; Arregui, E; Bansal, V; Bingener, J; Bisgaard, T; Buhck, H; Dudai, M; Ferzli, G S; Fitzgibbons, R J; Fortelny, R H; Grimes, K L; Klinge, U; Köckerling, F; Kumar, S; Kukleta, J; Lomanto, D; Misra, M C; Morales-Conde, S; Reinpold, W; Rosenberg, J; Singh, K; Timoney, M; Weyhe, D; Chowbey, P 2015. Erratum to: Update of guidelines on laparoscopic (TAPP) and endoscopic (TEP) treatment of inguinal hernia (International Endohernia Society). Surgical endoscopy, 29 6, 1655-6Deguchi, Yoshio; Mitamura, Keitaro; Omotaka, Shunsuke; Eguchi, Jun-ichi; Sakuma, Dai; Sato, Masashi; Nomura, Norihiro; Ito, Takayoshi; Grimes, Kevin Lawrence; Inoue, Haruhiro 2015. Single-incision cholecystectomy in a patient with situs inversus totalis presenting with cholelithiasis: A case report. Asian journal of endoscopic surgery, 8 3, 347-9Grimes, Kevin L; Maciel, Victor H; Mata, Wilmer; Arevalo, Gabriel; Singh, Kirpal; Arregui, Maurice E 2015. Complications of laparoscopic transgastric ERCP in patients with Roux-en-Y gastric bypass. Surgical endoscopy, 29 7, 1753-9Inoue, Haruhiro; Sato, Hiroki; Ikeda, Haruo; Onimaru, Manabu; Sato, Chiaki; Minami, Hitomi; Yokomichi, Hiroshi; Kobayashi, Yasutoshi; Grimes, Kevin L; Kudo, Shin-ei 2015. Per-Oral Endoscopic Myotomy: A Series of 500 Patients. Journal of the American College of Surgeons, 221 2, 256-64Onimaru, Manabu; Inoue, Haruhiro; Ikeda, Haruo; Sato, Chiaki; Sato, Hiroki; Phalanusitthepha, Chainarong; Santi, Esperanza Grace; Grimes, Kevin L; Ito, Hiroaki; Kudo, Shin-ei 2015. Greater curvature myotomy is a safe and effective modified technique in per-oral endoscopic myotomy (with videos). Gastrointestinal endoscopy, 81 6, 1370-7Phalanusitthepha, Chainarong; Grimes, Kevin L; Ikeda, Haruo; Sato, Hiroki; Sato, Chiaki; Hokierti, Chananya; Inoue, Haruhiro 2015. Endoscopic features of early-stage signet-ring-cell carcinoma of the stomach. World journal of gastrointestinal endoscopy, 7 7, 741-6Lipman, Jeremy M; Claridge, Jeffrey A; Haridas, Manjunath; Martin, Matthew D; Yao, David C; Grimes, Kevin L; Malangoni, Mark A 2007. Preoperative findings predict conversion from laparoscopic to open cholecystectomy. Surgery, 142 4, 556-63; discussion 5Grimes K.L.;Inoue H. 06-22-2017. Introduction: Endoscopic submucosal dissection to per oral endoscopic myotomy (POEM) Per Oral Endoscopic Myotomy (POEM), , 1-11Bittner R.;Montgomery M.A.;Arregui E.;Bansal V.;Bingener J.;Bisgaard T.;Buhck H.;Dudai M.;Ferzli G.S.;Fitzgibbons R.J.;Fortelny R.H.;Grimes K.L.;Klinge U.;Köckerling F.;Kumar S.;Kukleta J.;Lomanto D.;Misra M.C.;Morales-Conde S.;Reinpold W.;Rosenberg J.;Singh K.;Timoney M.;Weyhe D.;Chowbey P. 06-01-2015. Erratum to: Update of guidelines on laparoscopic (TAPP) and endoscopic (TEP) treatment of inguinal h Surgical Endoscopy, 29 6, 1655-1656Inoue H.;Shiwaku H.;Kobayashi Y.;Chiu P.W.Y.;Hawes R.H.;Neuhaus H.;Costamagna G.;Stavropoulos S.N.;Fukami N.;Seewald S.;Onimaru M.;Minami H.;Tanaka S.;Shimamura Y.;Santi E.G.;Grimes K.;Tajiri H. 01-01-2020. Statement for gastroesophageal reflux disease after peroral endoscopic myotomy from an international Esophagus, 17 1, 3-10Grimes K.L.;Bechara R.;Shimamura Y.;Ikeda H.;Inoue H. 01-01-2019. Gastric myotomy length affects severity but not rate of post-procedure reflux: 3-year follow-up of a Surgical Endoscopy, ,