Gastroenterology & Hepatology

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G. Kenneth Johnson, MD

Assistant Professor

Doctor of Medicine (MD)
1965: University of Utah College of Medicine, Salt Lake City, UT
Residency
1966 - 1967: Milwaukee County General Hospital, Milwaukee, WI
1967 - 1968: Neurology, University of Utah Hospital, UT
1968 - 1969: Milwaukee County General Hospital, Milwaukee, WI

Fellowship
1969 - 1971: Medical College of Wisconsin, Milwaukee, WI

 Clinical Interests & Patient Appointments

 

PUBLICATIONS (To view complete Curriculum Vitae, click here)

Manuscripts
 

  1.  Johnson GK, Soergel KH, Hensley GT, Dodds WJ, Hogan WJ.  Cronkhite-Canada Syndrome:  gastrointestinal pathophysiology and morphology.  Gastroenterology 1972;63: 140-52.
     
  2.  Johnson GK, Geenen JF, Hensley GT, Soergel KH.  Small intestinal disease, folate deficiency anemia, and oral contraceptive agents.  Am J Digest Dis 1973;189:185-90.
     
  3.  Johnson GK, Tolman KG, Chronic liver disease and acetaminophen.  Ann Intern Med 1977;87:302-4.
     
  4.  Johnson GK, Geenen JE, Venu RP.  Therapeutic endoscopy:  1984.  Wisconsin Med J 1984;83:23-6.
     
  5. Venu RP, Geenen JE, Hogan WJ, Johnson GK, Taylor AJ, Stewart ET, Jackson A.  ERCP and endoscopic sphincterotomy in patients with situs inversus.  Gastrointest Endosc 1985;31;5:338-40.
     
  6. Johnson GK, Geenen JE, Venu RP, Hogan WJ.  Endoscopic treatment of biliary strictures in sclerosing cholangitis:  followup assessment of a new therapeutic approach.  Gastrointest Endosc 1987; 33;1:9-12.
     
  7. Satterfield S, McCarthy J, Geenen JE, Hogan WJ, Venu RP, Dodds WJ, Johnson GK.  Clinical experience in patients with pancreas divisum:  preliminary results of manometry and endoscopic therapy.  Pancreas 1988;3:3:248-53.
     
  8. Venu RP, Geenen JH, Hogan WJ, Stone J, Johnson GK, Soergel K. Idiopathic recurrent pancreatitis; an approach to diagnosis and treatment.  Dig Dis Sci 1989;34;1:56-60.
     
  9. Geenen DJ, Geenen JE, Hogan WJ, Schenck J, Venu RP, Johnson GK, Jackson A.  Endoscopic therapy for benign bile duct strictures.  Gastrointest Endosc 1989;35;5:367-71.
     
  10. Johnson GK, Venu RP, Geenen JE.  Sclerosing cholangitis.  The endoscopic approach.  Endoscopy Review Nov/Dec 1989:6-24.
     
  11. Venu RP, Geenen JE, Kini M, Hogan WJ, Payne M, Johnson GK, Schmalz MJ.  Endoscopic retrograde brush cytology.  A new technique.  Gastroenterology 1990;99:1475-9.
     
  12. Schmalz MJ, Geenen JE, Hogan WJ, Dodds WJ, Venu RP, Johnson GK.  Pain on common bile duct injection during ERCP:  does it indicate sphincter of Oddi dysfunction?  Gastrointestinal Endosc 1990;36,5:458-61.
     
  13. Raddawi HM, Geenen JE, Hogan WJ, Dodds WJ, Venu RP, Johnson GK.  Pressure measurements from biliary and pancreatic segments of sphincter of Oddi.  Comparison between patients with function abdominal pain, biliary or pancreatic disease.  Dig Dis Sci 1991;36;1:71-4.
     
  14. Johnson GK, Geenen JE, Venu RP, Schmalz MJ, Hogan WJ.  Endoscopic treatment of biliary tract strictures in sclerosing cholangitis:  A larger series and recommendations for treatment.  Gastrointest Endosc 1991;37;1:38-43.
     
  15. Johnson GK, Geenen JE, Venu RP, Schmalz MJ, Hogan WJ.  Treatment of non-extractable common bile duct stones with combination of ursodeoxycholic acid (UDCA) plus endoprosthesis.  Gastrointest Endosc March/April 1991;37;2:253.
     
  16. Geenen JE, Johnson GKJ, Papilla Vateri.  In:  Ottenjann R, Classen M, eds.  Gastroenterologische Endoskopie, Lehrbuch und Atlas.  Stuttgart:  Ferdinant Enke Verlag, 1991;2.2.1:193-201.
     
  17. Manoukian AV, Schmalz MJ, Geenen JE, Hogan WJ, Venu RP, Johnson GK.  Endoscopic treatment of problems encountered after laparoscopic cholecystectomy.  Gastrointest Endosc 1993 (Jan/Feb); 39;1:9-14.
     
  18. Johnson GK, Geenen JE, Bedford RA et al.  A comparison of non-ionic versus ionic contrast media; results of a prospective multicenter study.  Gastrointest Endosc 1995;40:312-317.
     
  19. Johnson GK, Geenen JE et al.  Evaluation of Post ERCP Pancreatitis:  Potential causes noted during controlled study of different contrast media.  Gastrointest Endo 1997;46:214-222.
     
  20. Johnson G., Saeian K., Geenen.  Primary sclerosing cholangitis treated by endoscopic biliary dilatation:  Review and Long-Term Follow-Up Evaluation.  Current Gastroenterology Reports 2006, 8:147-55.

 

Abstracts
 

  1. Venu RP, Geenen JE, Hogan WJ, Komorowski R, Johnson GK.  A prospective study of the endoscopic and histologic effects of mono-octanoin infusion for common bile duct stone dissolution on upper GI and biliary tract mucosa.  Gastrointest Endosc 1984;30;2:138.
     
  2. Johnson GK, Geenen JE, Venu RP.  Therapeutic endoscopy: 1984.  WI Med J 1984; 83:23-6.
     
  3. Satterfield ST, Geenen JE, Hogan WJ, Venu RP, Dodd WJ, Johnson GK, McKinney J.  Clinical experience in 82 patients with pancreas divisum; preliminary results of manometry and endoscopic therapy.  Gastroenterology 1985;88;5:1572.
     
  4. Venu RP, Geenen JE, Hogan WJ, Stewart ET, Dodds WJ, Johnson GK.  Idiopathic recurrent pancreatitis (IRP):  diagnostic role of ERCP and sphincter of Oddi manometry.  Gastrointest Endosc April 1985.
     
  5. Johnson GK, Geenen JE, Venu RP, Hogan WJ.  Sclerosing cholangitis:  treatment with endoscopic sphincterotomy and balloon dilatation.  Gastrointest Endosc April 1985;31;2:153.
     
  6. Schenck J, Geenen JE, Hogan WJ, Dodds W, Venu RP, Johnson GK, Stewart ET.  The efficacy of endoscopic balloon dilatation of postoperative common bile duct strictures -a prospective 3 year study.  Gastrointest Endosc 1986;32;2:158.
     
  7. Raddawi HM, Geenen JE, Hogan WJ, Dodds WJ, Venu RP, Johnson GK.  Pressure measurement from the biliary and pancreatic segments of the sphincter of Oddi:  comparison between patients with functional, biliary or pancreatic disease.  Gastroenterology 1988;94;5;2:A363.
     
  8. Chung M., Johnson GK, Geenen JE, Venu RP, Hogan WJ.  Treatment of large bile duct stones with combination endoprosthesis and chenodeoxycholic acid.  Gastrointest Endosc March/April 1989;35;2:164.
     
  9. Prabhu M, Geenen JE, Hogan WJ, Venu RP, Johnson GK, Dodds WJ.  Role of endoscopic stent placement in the treatment of acute recurrent pancreatitis associated with pancreas divisum.  Gastrointest Endosc March/April 1989;35;2:164.
     
  10. Johnson GK, Geenen JE, Venu RP, Hogan WJ.  Endoscopic treatment of symptomatic primary sclerosing cholangitis:  is this the next therapeutic choice?  Gastrointest Endosc March/April 1989;24;2:165.
     
  11. Venu RP, Prabhu M., Geenen JE, Hogan WJ, Johnson GK, Payne KM.  Improved sensitivity in the cytologic diagnosis of cholangiocarcinoma.  Gastrointest Endosc March/April 1989;32;2:181.
     
  12. Venu RP, Rolney P, Geenen JE, Hogan WJ, Johnson GK, Schmalz M.  Is there a need for multiple stents in hilar strictures?  Gastrointest Endosc 1990;36;2:197.
     
  13. Browne S., Schmalz MJ, Geenen JE, Venu RP, Johnson GK.  A comparison of biliary and pancreatic stent occlusion in antibiotic coated vs. conventional stents.  Gastrointest Endosc 1990;36;2:206.

 

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