H Park

Summary

Affiliation: Yonsei University
Country: Korea

Publications

  1. pmc Generation of nitric oxide in the opossum lower esophageal sphincter during physiological experimentation
    Se Joon Lee
    Division of Gastroenterology, Department of Internal Medicine, Yongdong Severance Hospital, Yonsei University College of Medicine, 146 92, Dogok dong, Gangnam gu Seoul 135 720, Korea
    Yonsei Med J 47:223-9. 2006
  2. ncbi request reprint Effect of endotoxin on opossum oesophageal motor function
    H Park
    Department of Internal Medicine, University of Iowa, College of Medicine and VA Medical Center, Iowa City, USA
    Neurogastroenterol Motil 12:215-21. 2000
  3. ncbi request reprint [The pathophysiology of irritable bowel syndrome: inflammation and motor disorder]
    Hyojin Park
    Department of Internal Medicine, Yonsei University College of Medicine, Yongdong Severance Hospital, Gangnam Gu, Seoul, Korea
    Korean J Gastroenterol 47:101-10. 2006
  4. ncbi request reprint The effect of sildenafil on oesophageal motor function in healthy subjects and patients with nutcracker oesophagus
    J I Lee
    Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
    Neurogastroenterol Motil 15:617-23. 2003
  5. ncbi request reprint Morphometric evaluation of oesophageal wall in patients with nutcracker oesophagus and ineffective oesophageal motility
    H S Kim
    Department of Internal Medicine, Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea
    Neurogastroenterol Motil 20:869-76. 2008
  6. doi request reprint The effects of methane and hydrogen gases produced by enteric bacteria on ileal motility and colonic transit time
    J Jahng
    Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University, College of Medicine, Seoul, Korea
    Neurogastroenterol Motil 24:185-90, e92. 2012
  7. ncbi request reprint The effect of sildenafil on segmental oesophageal motility and gastro-oesophageal reflux
    H S Kim
    Department of Internal Medicine, Brain Korea 21 Project, Yonsei Institute of Gastroenterology, Yonsei University College of Medicine, Yongdong, Seoul, Korea
    Aliment Pharmacol Ther 24:1029-36. 2006
  8. ncbi request reprint Lipopolysaccharide temporarily impairs sphincter of Oddi motility
    J J Cullen
    Department of Surgery, University of Iowa College of Medicine and Veterans Affairs Medical Center, Iowa City, Iowa 52242, USA
    Nitric Oxide 5:547-54. 2001
  9. ncbi request reprint No relationship between serum lipoprotein(a) and albumin concentrations in patients with acute phase response
    W K Min
    Department of Clinical Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
    Ann Clin Biochem 36:617-21. 1999
  10. ncbi request reprint Detection of arousals in patients with respiratory sleep disorders using a single channel EEG
    S Cho
    Department of Biomedical Engineering, College of Health Science, Yonsei University, South Korea E mail
    Conf Proc IEEE Eng Med Biol Soc 3:2733-5. 2005

Collaborators

Detail Information

Publications26

  1. pmc Generation of nitric oxide in the opossum lower esophageal sphincter during physiological experimentation
    Se Joon Lee
    Division of Gastroenterology, Department of Internal Medicine, Yongdong Severance Hospital, Yonsei University College of Medicine, 146 92, Dogok dong, Gangnam gu Seoul 135 720, Korea
    Yonsei Med J 47:223-9. 2006
    ..iNOS and nitrotyrosine were detectable and increased over time in the LES muscle of both the control and LPS-treated groups. Antioxidant enzymes may play a role in regulating NO-mediated neuromuscular functions in the LES...
  2. ncbi request reprint Effect of endotoxin on opossum oesophageal motor function
    H Park
    Department of Internal Medicine, University of Iowa, College of Medicine and VA Medical Center, Iowa City, USA
    Neurogastroenterol Motil 12:215-21. 2000
    ..The increase in plasma nitrite/nitrate was attenuated by AG. These studies support the hypothesis that endotoxin modulates oesophageal motor function by increasing NO production and suggest that this results from the induction of iNOS...
  3. ncbi request reprint [The pathophysiology of irritable bowel syndrome: inflammation and motor disorder]
    Hyojin Park
    Department of Internal Medicine, Yonsei University College of Medicine, Yongdong Severance Hospital, Gangnam Gu, Seoul, Korea
    Korean J Gastroenterol 47:101-10. 2006
    ..Lastly, the abnormalities in the gastrointestinal autonomic nervous system can induce constipation or motor disorders, but further research should elucidate it...
  4. ncbi request reprint The effect of sildenafil on oesophageal motor function in healthy subjects and patients with nutcracker oesophagus
    J I Lee
    Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
    Neurogastroenterol Motil 15:617-23. 2003
    ..Sildenafil may be considered as an alternative treatment in nutcracker oesophagus although there are several limitations to be overcome...
  5. ncbi request reprint Morphometric evaluation of oesophageal wall in patients with nutcracker oesophagus and ineffective oesophageal motility
    H S Kim
    Department of Internal Medicine, Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea
    Neurogastroenterol Motil 20:869-76. 2008
    ..Myopathy and/or increased number of nNOS neurones may contribute to the hypocontractile motor activity of IEM...
  6. doi request reprint The effects of methane and hydrogen gases produced by enteric bacteria on ileal motility and colonic transit time
    J Jahng
    Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University, College of Medicine, Seoul, Korea
    Neurogastroenterol Motil 24:185-90, e92. 2012
    ..Therefore, we set out to investigate whether intestinal gases including methane and hydrogen could influence the small bowel motility and colonic transit...
  7. ncbi request reprint The effect of sildenafil on segmental oesophageal motility and gastro-oesophageal reflux
    H S Kim
    Department of Internal Medicine, Brain Korea 21 Project, Yonsei Institute of Gastroenterology, Yonsei University College of Medicine, Yongdong, Seoul, Korea
    Aliment Pharmacol Ther 24:1029-36. 2006
    ..Multichannel intraluminal impedance manometry/pH allow the precise evaluation of oesophageal bolus transit and acid/non-acid reflux...
  8. ncbi request reprint Lipopolysaccharide temporarily impairs sphincter of Oddi motility
    J J Cullen
    Department of Surgery, University of Iowa College of Medicine and Veterans Affairs Medical Center, Iowa City, Iowa 52242, USA
    Nitric Oxide 5:547-54. 2001
    ..Inducible nitric oxide synthase mRNA was readily seen in SO segments after LPS. LPS impairs EFS-induced relaxation and increases baseline tone of the SO. The effects of LPS on SO motility appear to be mediated by nitric oxide...
  9. ncbi request reprint No relationship between serum lipoprotein(a) and albumin concentrations in patients with acute phase response
    W K Min
    Department of Clinical Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
    Ann Clin Biochem 36:617-21. 1999
    ..The increase of the serum Lp(a) concentrations in the APR patients is not related to serum albumin concentration...
  10. ncbi request reprint Detection of arousals in patients with respiratory sleep disorders using a single channel EEG
    S Cho
    Department of Biomedical Engineering, College of Health Science, Yonsei University, South Korea E mail
    Conf Proc IEEE Eng Med Biol Soc 3:2733-5. 2005
    ..92% and specificity of 95.56% for the training sets, and sensitivity of 75.26% and specificity of 93.08% for the testing sets, respectively. We have shown that proposed method was effective for detecting the arousal events...
  11. ncbi request reprint Adaptive natural gradient learning algorithms for various stochastic models
    H Park
    Department of Computer Science, Yonsei University, Seoul, South Korea
    Neural Netw 13:755-64. 2000
    ..We give explicit forms of the adaptive natural gradient for these models. We confirm the practical advantage of the proposed algorithms through computational experiments on benchmark problems...
  12. ncbi request reprint The effect of mosapride citrate on proximal and distal colonic motor function in the guinea-pig in vitro
    H S Kim
    Department of Internal Medicine, Yonsei Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea
    Neurogastroenterol Motil 20:169-76. 2008
    ..The different distribution of neuronal and muscular 5-HT(4) receptors may support these findings. Therefore, mosapride may be a useful alternative to tegaserod and cisapride for constipation...
  13. doi request reprint Is minimal change esophagitis really part of the spectrum of endoscopic findings of gastroesophageal reflux disease? A prospective, multicenter study
    J H Kim
    Department of Internal Medicine, Division of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea
    Endoscopy 43:190-5. 2011
    ..This study evaluated the clinical significance of minimal changes and examined whether such changes have diagnostic value in gastroesophageal reflux disease (GERD)...
  14. ncbi request reprint Effects of phosphodiesterase inhibitors on oesophageal neuromuscular functions
    H Park
    Department of Internal Medicine, Yonsei University College of Medicine, Seoul, South Korea
    Neurogastroenterol Motil 15:625-33. 2003
    ..Zardaverine increased the percentage relaxation of R2. Theophylline slowed the recovery of R2. PDEs play a role in maintaining LES tone and its recovery after LES relaxation. They may also modulate oesophageal motor activity...
  15. ncbi request reprint Discrepancy of interleukin-6 levels between end-stage renal disease patients and patients with acute-phase response with increased lipoprotein(a) concentrations
    K A Yun
    Department of Laboratory Medicine, Asan Medical Center and University of Ulsan College of Medicine, Songpa Gu, Seoul, Korea
    Scand J Clin Lab Invest 64:223-8. 2004
    ....
  16. doi request reprint Effective separation method of (64)Cu from (67)Ga waste product with a solvent extraction and chromatography
    J H Kim
    Lab of Accelerator Application Research, Korea Institute of Radiological and Medical Sciences KIRAMS, Seoul, Korea
    Appl Radiat Isot 68:1623-6. 2010
    ....
  17. ncbi request reprint The role of peripheral N-methyl-D-aspartate receptors in Freund's complete adjuvant induced mechanical hyperalgesia in rats
    J W Leem
    Department of Physiology, Yonsei University College of Medicine, Seoul, South Korea
    Neurosci Lett 297:155-8. 2001
    ..The results suggest that NMDA, but not non-NMDA receptors play a substantial role in mediating the development of mechanical hyperalgesia induced in the inflamed paw following i.pl. FCA injection...
  18. ncbi request reprint A comparison of Greater Taper files, ProFiles, and stainless steel files to shape curved root canals
    H Park
    Division of Endodontics, Department of Dentistry, Kangbuk Samsung Hospital, Collegeof Medicine, Sungkyunkwan University, Seoul, Korea
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 91:715-8. 2001
    ..CONCLUSION: The canals prepared with GT files and ProFiles were excellently tapered and maintained the original curvature of the canals in comparison with the ones prepared with stainless steel files...
  19. pmc Effect of itopride hydrochloride on the ileal and colonic motility in guinea pig in vitro
    Hyun Chul Lim
    Department of Internal Medicine, Yonsei University College of Medicine, 612 Eonjuro, Gangnam Gu, Seoul 135 720, Korea
    Yonsei Med J 49:472-8. 2008
    ..However, its prokinetic effect on the small bowel or colon has not yet been thoroughly investigated. The aim of this study was to investigate the effects of itopride on motor functions of the ileum and colon in guinea pigs...
  20. ncbi request reprint [Serotonin transporter gene polymorphism in healthy adults and patients with irritable bowel syndrome]
    Dok Yong Lee
    Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
    Korean J Gastroenterol 43:18-22. 2004
    ..However, a functional relation between polymorphism and IBS is not clear. The aim of this study was to investigate 5-hydroxytryptamine transporter (5-HTT) gene polymorphism in patients with IBS...
  21. ncbi request reprint [The effects of probiotics on symptoms of irritable bowel syndrome]
    Young Gyun Kim
    Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
    Korean J Gastroenterol 47:413-9. 2006
    ..However, the results of studies about probiotics on IBS are controversial. Therefore, the aim of this study was to evaluate the effect of probiotics on GI symptoms and intestinal gas volume changes in patients with IBS...
  22. ncbi request reprint [The development of irritable bowel syndrome after Shigella infection: 3 year follow-up study]
    Hee Sun Kim
    Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
    Korean J Gastroenterol 47:300-5. 2006
    ..So, we investigated the clinical course and prognosis of PI-IBS three years after shigella infection...
  23. ncbi request reprint Expression of inducible nitric oxide synthase in the lower esophageal sphincter of the endotoxemic opossum
    Hyojin Park
    Department of Internal Medicine, University of Iowa College of Medicine and VA Medical Center, Iowa City, USA
    J Gastroenterol 37:1000-4. 2002
    ....
  24. ncbi request reprint Post-infectious irritable bowel syndrome in patients with Shigella infection
    Sangwon Ji
    Yonsei Institute of Gastroenterology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
    J Gastroenterol Hepatol 20:381-6. 2005
    ..The aims of this study were to verify the role of bacterial gastroenteritis in the development of IBS and the risk factors for the development of PI-IBS. The clinical course of PI-IBS was also investigated...
  25. ncbi request reprint Effects of tegaserod on ileal peristalsis of guinea pig in vitro
    Sang Won Ji
    Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
    J Pharmacol Sci 94:144-52. 2004
    ..05). It is concluded that tegaserod has prokinetic action on guinea pig ileum by increasing the number of the circular muscle contractions during peristalsis...
  26. ncbi request reprint Effect of sildenafil on gastric emptying in healthy adults
    Seung Hyun Cho
    Division of Gastroenterology, Department of Internal Medicine, Yongdong Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
    J Gastroenterol Hepatol 21:222-6. 2006
    ..The aim of this study was to test the hypothesis that sildenafil alters gastric emptying and the intragastric distribution of food in healthy adults...