Dr. Yoshihiro Moriwaki

Brief Biography:

Name in Full : Moriwaki Yoshihiro
Educational Background:
* April 1980 Entered Yokohama City University School of Medicine
* March 1987 Graduated from the same April 1987 Entered Postgraduate Course of Yokohama City Univ.
* March 1991 Graduated from the same Professional Training and Employment
* Degree of Medical Doctor in March 1987
* Passed the Examination of Japanese National Board in May 1987
* Degree of Physical Doctor in March 1991
* Assistant in the Department of Critical Care and Emergency Medicine, Yokohama City University School of Medicine from May 1996
* Associate Professor in the Critical Care and Emergency Center, Yokohama City University Medical Center from April 2007 Staff of Department of Surgery and General Medicine, Unnan City Hospital from January 2012

Academic positions:

PhD Previous Associate Professor of Yokohama City University Medical Center

Research interests:

General Surgery and Emergency Medicine, Critical Care

Any other information:

Publication Lists:
1) Moriwaki Y, Kunisaki C, Kobayashi S, Harada H, Imai S, Kido Y, Kasaoka C: A clinical study of the prognosis of multiple gastric cancer: evaluation and suitable management of whole lesions. Yokohama Medical Bulletin 48:41­49,2001
2) Moriwaki Y, Kasaoka C, Kunisaki C, Kobayashi S, Harada H, Imai S, Kido Y: The usefulness of palliative resection for incurable gastric cancer with liver metastasis and/or peritoneal dissemination. Yokohama Medical Bulletin 48:57­64,2001
3) Moriwaki Y, Kobayashi S, Kunisaki C, Harada H, Imai S, Kido Y, Kasaoka C: Is D2 lymphadenectomy in gastrectomy safe with regard to the skill of the operator? Digestive Surgery 18(2):111­117,2001
4) Moriwaki Y, Sugiyama M, Hayashi H, Giancarlo Mosiello, Francesco Cremonese, Vittorio Altomani, Mario Rastrelli: Emergency medical service system in Yokohama, Japan. Annali Degli Ospedali San Camillo e Forlanini 3(4) 344­356,2001
5) Moriwaki Y, Sugiyama M, Ozawa Y, Mochizuki Y, Kunisaki C, Kamiya N, Yamazaki Y, Suda T. Change in the response of neutriphils to endotoxin priming following major abdominal surgery. World Journal of Surgery 26(5):521-526,2002
6) Moriwaki Y, Kunisaki C, Kobayashi S, Harada H, Imai S, Kasaoka C: Does body mass index (BMI) influence mobidity and long-term survival in gastric cancer patients after gastrectomy? Hepato-Gastroenterology 50(49):284-288,2003
7) Moriwaki Y, Kunisaki C, Kobayashi S, Harada H, Imai S, Kido Yasuhiro, Kasaoka C. Progressive improvement of prognosis for patients with gastric cancer (dynamic stage grouping) with increasing survival interval from initial staging: how much longer can a given survivor expect to live? Surgery 2003;133(2):135-140
8) Moriwaki Y, Sugiyama M, Ozawa Y, Uchida K, Kosuge T, Karube N, Toyoda H, Yamamoto T, Hasegawa S, Kanaya K, Matsuda G, Yamagishi S, Yoshioda K: Oxygen metabolism of the liver during an HA clamp: HV saturation and free radicals. Hepato-Gastroenterology 50(54):2117-2120,2003
9) Moriwaki Y, Sugiyama M, Mochizuki Y, Yamazaki Y, Suda T, Hasegawa S, Matsuda G, Karube N, Uchida K, Yamamoto T. A pitfall of the diagnostic process of differentiating bile peritonitis from acute appendicitis. Hepatogastroenterology 51(56):353-356,2004
10) Moriwaki Y, Kunisaki C, Kobayashi S, Harada H, Imai S, Kasaoka C. Does the surgical stress associated with palliative resection for patients with incurable gastric cancer with distant metastasis shorten their survival? Hepatogastroenterology 51(57):872-875,2004
11) Moriwaki Y, Sugiyama M, Matsuda G, Toyoda H, Kosuge T, Uchida K, Fukuyama H, Iwashita M, Morimura N, Suzuki J, Yamamoto T, Suzuki N. Usefulness of the 3-dimensional reconstructed computed tomography imaging for diagnosis of the site of tracheal injury (3D-tracheography). World Journal of Surg 29(1):102-105,2005
12) Moriwaki Y, Sugiyama M, Toyoda H, Kosuge T, Takahashi K, Iwashita M, Matsuzaki S, Tahara Y, Suzuki N: Monitoring and evaluation of intraperitoneal bleeding (IPB) by small portable ultrasonography during transcatheter arterial embolization (TAE) in abdominal-pelvic trauma patients with shock: as a monitor for early detection of increase of IPB. Hepatogastroenterology. 2006 Mar-Apr;53(68):175-8.
13) Moriwaki Y, Sugiyama M, Fujita S, Toyoda H, Kosuge T, Yamamoto T, Amano S, Matsuzaki S, Shimoyama T, Tahara Y, Iwashita M, Fukuyama H, Suzuki N. Application of ultrasonography for blunt laryngo-cervical-tracheal injury. Journal of Trauma 61(5):1156-1161,2006
14) Moriwaki Y, Sugiyama M, Arata S, Yoshida K, Yamagishi S, Matsuda G, Hasegawa S, Kanaya K, Yamamoto T, Toyoda H, Kosuge T, Uchida K.. Gastrointestinal fiberscopic findings after simple closure for perforated duodenal ulcer in the early postoperative phase: from experience to evidence by evaluation of the healing process. Hepatogastroenterology 53(71):669-672,2006
15) Moriwaki Y, Sugiyama M, Arata S, Toyoda H, Kosuge T, Suzuki N: Therapeutic Strategy for Misingestion of a Large Size Dental Prosthesis with a Sharp Clasp. Endoscopy 39(Suppl 1):E303-E304,Epub 2007(UCTN Codw TTT 1AO 2AL)
16) Moriwaki Y, Sugiyama M, Yamamoto T, Toyoda H, Kosuge T, Suzuki N. Trans-abdominal-mediastinal approach with median phrenotomy for esophageal disruption. Hepatogastroenterology. 2008;55(86-87):1627-1630.
17) Moriwaki Y, Sugiyama M, Toyoda H, Kosuge T, Arata S, Iwashita M, Tahara Y, Suzuki N: Ultrasonography for the diagnosis of intraperitoneal free air in chest-abdominal-pelvic blunt trauma and critical acute abdominal pain. Archives of Surgery 144(2):137-41,2009.(02) discussion 142.
18) Moriwaki Y, Sugiyama M, Toyoda H, Kosuge T, Arata S, Iwashita M, Suzuki N: Lethal obstructive colitis: how and when patients with colonic obstruction should be prevented from falling into a lethal condition. Hepatogastroenterology 56(91-92):659-662,2009.(May-Jun)
19) Moriwaki Y, Sugiyama M, Iwashita M, Tahara Y, Arata S, Harunari N, Kosuge T, Toyoda H, Suzuki N: Securing of tracheostomy tube using detachable clip in patients requiring neck wound management after esophageal, pharyngeal, and supinal surgery. Surgery 2009 Nov;146(5):964-5. Epub 2009 Jul 24.
20) Moriwaki Y, Sugiyama M, Yamamoto T, Toyoda H, Kosuge T, Arata S, Iwashita M, Tahara Y, Matsuzaki S, Suzuki N. Lethal perianal infection with septic shock: how should we manage this critical condition? International Surgery 2009 Oct-Dec;94(4):292-297
21) Moriwaki Y, Sugiyama M, Toyoda H, Kosuge T, Tahara Y, Suzuki N: Cardiopulmonary arrest on arrival due to penetrating trauma. Annals of Royal College of Surgeons of England (Ann R Coll Surg Engl) Mar;92(2):142-146,2010
22) Moriwaki Y, Sugiyama M. Effect of fasting on coagulation factors in patients who undergo major abdominal surgery. American Surgeon 2010 Feb;76(2):168-171.
23) Moriwaki Y, Sugiyama M, Iwashita M, Harunari N, Toyoda H, Kosuge T, Arata S, Suzuki N: Usefulness and safety of open tracheostomy by a paramedian approach for cervical infection: esophageal and tracheal injury and necrotizing fascitis. Amerian Surgeon 76(11)Nov:1251-1254,2010
24) Moriwaki Y, Sugiyama M. A new concept for stage grouping of gastric cancer according to dynamic stage migration with time: a survival-period perspective. International Surgery 2010 Oct-Dec;95(4):281-286.
25) Moriwaki Y, Sugiyama M, Yamamoto T, Tahara Y, Toyoda H, Kosuge T, Harunari N, Iwashita M, Arata S, Suzuki N: Outcomes from prehospital cardiac arrest in blunt trauma patients. World Journal of Surgery 2011 Jan;35(1):34-42,2011
26) Moriwaki Y. Population-based time determinant for termination of resuscitation: reply. World J Surg 35(8):1943-4,2011.
27) Moriwaki Y, Arata S, Tahara Y, Kosuge T, Toyoda H, Iwashita M, Harunari N, Suzuki N. Indication of emergency operation and intensive care for cardiopulmonary arrest related with gastrointestinal perforation. Am Surg 2011 Sep;77(9):1276-8.
28) Moriwaki Y, Sugiyama M, Tahara Y, Iwashita M, Kosuge T, Harunari N, Arata S, Suzuki N. Complications of bystander cardiopulmonary resuscitation for unconscious patients without cardiopulmonary arrest. Journal of Emergencies, Trauma, and Shock (J Emerg Trauma Shock) 2012;5(1):3-6.
29) Moriwaki Y, Kobayashi S, Harada H, Kunizaki C, Imai S, Kido Y, Kasaoka C, Kuribayashi N: Cystic mesotherioma of the peritoneum. J Gastroenterology 31(6):868­874,1996
30) Moriwaki Y, Sugiyama M, Yoshida K, Hasegawa S, Date K, Uchida K, Yamamoto T. A lucky case of transmediastinal gunshot wound through the space between the heart and esophagus. Yokohama Medical Bulletin 49:35-41,2002
31) Moriwaki Y, Sugiyama M, Matsuda G, Date K, Karube N, Uchida K, Yamamoto T, Hasegawa S: Approach for drainage of descending necrotizing mediastinitis on the basis of the extending progression from deep neck infection to mediastinitis. J Trauma 53(1):112-116,2002
32) Moriwaki Y, Matsuda G, Karube N, Yamamoto T, Sugiyama M: Usefulness of color doppler ultrasonography (CDUS) and three dimensional spiral computed tomographic angiography (3D-CT) for diagnosis of unruptured abdominal visceral aneurysm. Hepatogastroenterol 49(48):1728-1730,2002
33) Moriwaki Y, Sugiyama M, Toyoda H, Kosuge T, Iwashita M, Tahara Y, Nakamura K, Matsuzaki S, Suzuki N: Esophageal perforation after some attempts of tracheal intubation for respiratoruy arrest. American Surgeon 75(1):92-93,2009.(01)
34) Moriwaki Y, Sugiyama M. Severe anemia inducing preshock caused by sarcomatoid carcinoma of the small intestine. International Surgery 2009 Apr-Jun;94(2):164-170.
35) Moriwaki Y, Arata S, Tahara Y, Toyoda H, Kosuge T, Suzuki N. Duodenal perforation due to compression necrosis by the tip of percutaneous endoscopic gastrostomy tube. Nutrition 27(9):979-81,2011.
36) Moriwaki Y, Arata S, Iwashita M, Toyoda H, Kosuge T, Suzuki N. A case of cervical esophageal perforation after transnasal gastrointestinal fibroscopy using a small-caliber fiber. Endoscopy 43(Suppl 2):E147-8,2011.
37) Moriwaki Y, Ozawa Y, Tanaka J, Minabe D, Mochizuki Y, Sugiyama M: The usefulness of laparoscopy for diagnosis or treatment in the field of abdominal emergency. in XV World Congress of CICD Ed by Kim J, Condon RE, Monduzzi Editore SpA, Bologna,1996,pp847­850
38) Moriwaki Y, Sugiyama M, Arata S, Toyoda H, Kosuge T, Suzuki N: Usefulness and safety of esophageal disruption: trans-abdomional-mediastinal approach with median phrenotomy for complicated esophageal disruption. in 11th World Congress of the International Society for Disease of the Esophagus Ed by Horvath OP, MEDIMOND S.r.l., Bologna, 2008,pp205­208
39) Moriwaki Y, Sugiyama M, Iwashita M, Ishikawa J, Tahara Y, Matsuzaki S, Toyoda H, Kosuge T, Suzuki N: Easy and safe fixation of the tracheostomy tube using small detachable clip in post-cervical-esophageal-surgery-patients with infection and drainage. in 11th World Congress of the International Society for Disease of the Esophagus Ed by Horvath OP, MEDIMOND S.r.l., Bologna, 2008,pp209-212

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