Professional Summary
Education & Certifications
- Board Certification: American Board of Pediatrics, Pediatric Transplant Hepatology (2006)
- Medical Education: Northwestern University Feinberg School of Medicine (1975) IL
- Fellowship: UCLA Medical Center Radiology Fellowship (1979) CA
- Residency: UCLA Medical Center Radiology Fellowship (1978) CA
- Internship: UCLA GME Office (1976) CA
- Board Certification: American Board of Pediatrics, Pediatric Gastroenterology (1990)
- Board Certification: American Board of Pediatrics, Pediatrics (1980)
Publications
-
Long-term outcomes in pediatric liver recipients: comparison between cyclosporin A and tacrolimus.
Cao, S., Cox, K. L., Berquist, W., Hayashi, M., Concepcion, W., Hammes, G. B., … Esquivel, C. O. (1999). Long-term outcomes in pediatric liver recipients: comparison between cyclosporin A and tacrolimus. Pediatric Transplantation, 3(1), 22–26. -
Paediatric liver transplantation: Indications, timing and medical complications
Cox, K. L., Berquist, W. E., & Castillo, R. O. (1999). Paediatric liver transplantation: Indications, timing and medical complications. Presented at the 1st University-of-California-San-Francisco/Stanford Asia Liver Symposium, HONG KONG,HONG KONG: WILEY-BLACKWELL PUBLISHING, INC. -
Liver transplantation at Stanford University Medical Center.
Millan, M. T., Keeffe, E. B., Berquist, W. E., Castillo, R. O., Cox, K. L., Garcia, G., … Esquivel, C. O. (1998). Liver transplantation at Stanford University Medical Center. Clinical Transplants, 287–96. -
Thirteen years' experience in pediatric liver transplantation: Differences between tacrolimus and cyclosporine
Zajicek, A., Esquivel, C., MILLAN, M., Cox, K., Berquist, R., & Berquist, W. (2002). Thirteen years' experience in pediatric liver transplantation: Differences between tacrolimus and cyclosporine. TRANSPLANTATION PROCEEDINGS, 34(5), 1976–78. -
One hundred percent patient and kidney allograft survival with simultaneous liver and kidney transplantation in infants with primary hyperoxaluria: A single-center experience
Millan, M. T., Berquist, W. E., So, S. K., Sarwal, M. M., Wayman, K. I., Cox, K. L., … Esquivel, C. O. (2003). One hundred percent patient and kidney allograft survival with simultaneous liver and kidney transplantation in infants with primary hyperoxaluria: A single-center experience. TRANSPLANTATION, 76(10), 1458–63. -
Complete immunosuppressive withdrawal as a uniform approach to post-transplant lymphoproliferative disease in pediatric liver transplantation
Hurwitz, M., Desai, D. M., Cox, K. L., Berquist, W. E., Esquivel, C. O., & Millan, M. T. (2004). Complete immunosuppressive withdrawal as a uniform approach to post-transplant lymphoproliferative disease in pediatric liver transplantation. PEDIATRIC TRANSPLANTATION, 8(3), 267–72. -
Epstein-Barr virus-associated peripheral T-cell lymphoma and hemophagocytic syndrome arising after liver transplantation: Case report and review of the literature
George, T. I., Jeng, M., Berquist, W., Cherry, A. M., Link, M. P., & Arber, D. A. (2005). Epstein-Barr virus-associated peripheral T-cell lymphoma and hemophagocytic syndrome arising after liver transplantation: Case report and review of the literature. PEDIATRIC BLOOD & CANCER, 44(3), 270–76. -
GRAFT INVOLVEMENT BY LEGIONELLA IN A LIVER-TRANSPLANT RECIPIENT
Tokunaga, Y., Concepcion, W., Berquist, W. E., Cox, K. L., WIVIOTT, L. D., GARCIAKENNEDY, R., … Esquivel, C. O. (1992). GRAFT INVOLVEMENT BY LEGIONELLA IN A LIVER-TRANSPLANT RECIPIENT. ARCHIVES OF SURGERY, 127(4), 475–77. -
Hepatic infantile hemangioendothelioma with unusual manifestations
Burtelow, M., Garcia, T., Lucile, S., Cox, K., Berquist, W., & Kemer, J. (2006). Hepatic infantile hemangioendothelioma with unusual manifestations. JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION, 42(1), 109–13. -
Adolescent non-adherence: Prevalence and consequences in liver transplant recipients
Berquist, R. K., Berquist, W. E., Esquivel, C. O., Cox, K. L., Wayman, K. I., & Litt, I. F. (2006). Adolescent non-adherence: Prevalence and consequences in liver transplant recipients. PEDIATRIC TRANSPLANTATION, 10(3), 304–10. -
Parenteral nutrition-associated cholestasis related to parental care.
Wu, P. A., Kerner, J. A., & Berquist, W. E. (2006). Parenteral nutrition-associated cholestasis related to parental care. Nutrition in Clinical Practice , 21(3), 291–95. -
Pediatric intestinal transplantation at Packard children's hospital/Stanford University medical center: Report of a four-year experience
Castillo, R. O., Zarge, R., Cox, K., Strichartz, D., Berquist, W., Bonham, C. A., & Esquivel, C. O. (2006). Pediatric intestinal transplantation at Packard children's hospital/Stanford University medical center: Report of a four-year experience. TRANSPLANTATION PROCEEDINGS, 38(6), 1716–17. -
EARLY EXPERIENCE WITH FK-506 INDUCTION IMMUNOSUPPRESSION - SUGGESTION FOR USING ORAL FK-506
Nakazato, P., Cox, K., Concepcion, W., Gish, R., Berquist, W., Imperial, J., & Esquivel, C. (1991). EARLY EXPERIENCE WITH FK-506 INDUCTION IMMUNOSUPPRESSION - SUGGESTION FOR USING ORAL FK-506. TRANSPLANTATION PROCEEDINGS, 23(6), 3019–3020. -
Outcomes of transplantation in children with primary hepatic malignancy
Beaunoyer, M., Vanatta, J. M., Oyihara, M., Strichartz, D., Dahl, G., Berquist, W. E., … Esquivel, C. O. (2007). Outcomes of transplantation in children with primary hepatic malignancy. PEDIATRIC TRANSPLANTATION, 11(6), 655–60. -
Cold agglutinin syndrome in pediatric liver transplant recipients
Wong, W., Merker, J. D., Nguyen, C., Berquist, W., Jeng, M., Viele, M., … Fontaine, M. J. (2007). Cold agglutinin syndrome in pediatric liver transplant recipients. PEDIATRIC TRANSPLANTATION, 11(8), 931–36. -
Non-adherence to post-transplant care: Prevalence, risk factors and outcomes in adolescent liver transplant recipients
Berquist, R. K., Berquist, W. E., Esquivel, C. O., Cox, K. L., Wayman, K. I., & Litt, I. F. (2008). Non-adherence to post-transplant care: Prevalence, risk factors and outcomes in adolescent liver transplant recipients. PEDIATRIC TRANSPLANTATION, 12(2), 194–200. -
SIR 2008 annual meeting film panel case: Abernethy malformation
Sze, D. Y., & Berquist, W. E. (2008). SIR 2008 annual meeting film panel case: Abernethy malformation. JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY, 19(9), 1274–77. -
Combined liver-kidney transplantation in children: Indications and outcome
Sutherland, S. M., Alexander, S. R., Sarwal, M. M., Berquist, W. E., & Concepcion, W. (2008). Combined liver-kidney transplantation in children: Indications and outcome. PEDIATRIC TRANSPLANTATION, 12(8), 835–46. -
THE IMPACT OF LIVER REDUCTIONS IN PEDIATRIC LIVER-TRANSPLANTATION
Esquivel, C. O., Nakazato, P., Cox, K., Concepcion, W., Berquist, W., & Russell, T. R. (1991). THE IMPACT OF LIVER REDUCTIONS IN PEDIATRIC LIVER-TRANSPLANTATION. ARCHIVES OF SURGERY, 126(10), 1278–1286. -
Novel Deoxyguanosine Kinase Gene Mutations and Viral Infection Predispose Apparently Healthy Children to Fulminant Liver Failure
Shieh, J. T. C., Berquist, W. E., Zhang, Q., Chou, P.-C., Wong, L.-J. C., & Enns, G. M. (2009). Novel Deoxyguanosine Kinase Gene Mutations and Viral Infection Predispose Apparently Healthy Children to Fulminant Liver Failure. JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION, 49(1), 130–32. -
Long-term outcome following pediatric liver transplantation for metabolic disorders
Stevenson, T., Millan, M. T., Wayman, K., Berquist, W. E., Sarwal, M., Johnston, E. E., … Enns, G. M. (2010). Long-term outcome following pediatric liver transplantation for metabolic disorders. PEDIATRIC TRANSPLANTATION, 14(2), 268–75. -
LIVER-TRANSPLANTATION IN INFANTS WEIGHING LESS THAN 10-KILOGRAMS
Cox, K., Nakazato, P., Berquist, W., Concepcion, W., Tokunaga, Y., & Esquivel, C. (1991). LIVER-TRANSPLANTATION IN INFANTS WEIGHING LESS THAN 10-KILOGRAMS. TRANSPLANTATION PROCEEDINGS, 23(1), 1579–80. -
Increased HLA-DR Expression on Tissue Eosinophils in Eosinophilic Esophagitis
Patel, A. J., Fuentebella, J., Gernez, Y., Nguyen, T., Bass, D., Berquist, W., … Nadeau, K. (2010). Increased HLA-DR Expression on Tissue Eosinophils in Eosinophilic Esophagitis. JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION, 51(3), 290–94. -
Increased Number of Regulatory T Cells in Children With Eosinophilic Esophagitis
Fuentebella, J., Patel, A., Nguyen, T., Sanjanwala, B., Berquist, W., Kerner, J. A., … Nadeau, K. (2010). Increased Number of Regulatory T Cells in Children With Eosinophilic Esophagitis. JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION, 51(3), 283–89. -
Exfoliative Rejection in Intestinal Transplantation
Park, K. T., Berquist, W. L., Pai, R., & Triadafilopoulos, G. (2010). Exfoliative Rejection in Intestinal Transplantation. DIGESTIVE DISEASES AND SCIENCES, 55(12), 3336–38. -
Eotaxin and FGF enhance signaling through an extracellular signal-related kinase (ERK)-dependent pathway in the pathogenesis of Eosinophilic esophagitis.
Huang, J. J., Joh, J. W., Fuentebella, J., Patel, A., Nguyen, T., Seki, S., … Nadeau, K. C. (2010). Eotaxin and FGF enhance signaling through an extracellular signal-related kinase (ERK)-dependent pathway in the pathogenesis of Eosinophilic esophagitis. Allergy, Asthma, and Clinical Immunology : Official Journal of the Canadian Society of Allergy and Clinical Immunology, 6(1), 25-? -
Analysis of clinical variables associated with tolerance in pediatric liver transplant recipients
Talisetti, A., Hurwitz, M., Sarwal, M., Berquist, W., Castillo, R., Bass, D., … Cox, K. (2010). Analysis of clinical variables associated with tolerance in pediatric liver transplant recipients. PEDIATRIC TRANSPLANTATION, 14(8), 976–79. -
Immunophenotyping of Peripheral Eosinophils Demonstrates Activation in Eosinophilic Esophagitis
Tammie Nguyen, T., Gernez, Y., Fuentebella, J., Patel, A., Tirouvanziam, R., Reshamwala, N., … Nadeau, K. C. (2011). Immunophenotyping of Peripheral Eosinophils Demonstrates Activation in Eosinophilic Esophagitis. JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION, 53(1), 40–47. -
A 15-Year-Old Girl with Dysphagia, Failure to Thrive
Ryan, C., Khan, M., Delgado, E., Berquist, W., & Longhurst, C. (2011). A 15-Year-Old Girl with Dysphagia, Failure to Thrive. PEDIATRIC ANNALS, 40(8), 397–400. -
ECHINOCANDIN AND ETHANOL LOCK THERAPY TREATMENT OF FUNGAL CATHETER INFECTIONS
Pieroni, K. P., Nespor, C., Poole, R. L., Kerner, J. A., & Berquist, W. E. (2013). ECHINOCANDIN AND ETHANOL LOCK THERAPY TREATMENT OF FUNGAL CATHETER INFECTIONS. PEDIATRIC INFECTIOUS DISEASE JOURNAL, 32(3), 289–91. -
Endoscopy in the management of pancreaticobiliary complications after liver, intestine, or composite visceral transplantation in children
Berquist, W. E. (2012). Endoscopy in the management of pancreaticobiliary complications after liver, intestine, or composite visceral transplantation in children. PEDIATRIC TRANSPLANTATION, 16(8), 815–817. -
Evaluation of ethanol lock therapy in pediatric patients on long-term parenteral nutrition.
Pieroni, K. P., Nespor, C., Ng, M., Garcia, M., Hurwitz, M., Berquist, W. E., & Kerner, J. A. (2013). Evaluation of ethanol lock therapy in pediatric patients on long-term parenteral nutrition. Nutrition in Clinical Practice , 28(2), 226–31. -
Impact of Immunosuppression on the Development of Epstein-Barr Virus (EBV) Viremia After Pediatric Liver Transplantation
Lu, B. R., Park, K. T., Hurwitz, M., Cox, K. L., & Berquist, W. E. (2013). Impact of Immunosuppression on the Development of Epstein-Barr Virus (EBV) Viremia After Pediatric Liver Transplantation. TRANSPLANTATION PROCEEDINGS, 45(1), 301–4. -
FULMINANT HEPATIC-FAILURE FOLLOWING VARICELLA-ZOSTER INFECTION IN A CHILD - A CASE-REPORT OF SUCCESSFUL TREATMENT WITH LIVER-TRANSPLANTATION AND PERIOPERATIVE ACYCLOVIR
Tojimbara, T., So, S. K., Cox, K. L., Berquist, W. E., Egawa, H., GARCIAKENNEDY, R., & Esquivel, C. O. (1995). FULMINANT HEPATIC-FAILURE FOLLOWING VARICELLA-ZOSTER INFECTION IN A CHILD - A CASE-REPORT OF SUCCESSFUL TREATMENT WITH LIVER-TRANSPLANTATION AND PERIOPERATIVE ACYCLOVIR. TRANSPLANTATION, 60(9), 1052–1053. -
AN INCREASED INCIDENCE OF EPSTEIN-BARR-VIRUS INFECTION AND LYMPHOPROLIFERATIVE DISORDER IN YOUNG-CHILDREN ON FK506 AFTER LIVER-TRANSPLANTATION
Cox, K. L., LAWRENCEMIYASAKI, L. S., GARCIAKENNEDY, R., Lennette, E. T., Martinez, O. M., Krams, S. M., … Esquivel, C. O. (1995). AN INCREASED INCIDENCE OF EPSTEIN-BARR-VIRUS INFECTION AND LYMPHOPROLIFERATIVE DISORDER IN YOUNG-CHILDREN ON FK506 AFTER LIVER-TRANSPLANTATION. TRANSPLANTATION, 59(4), 524–529. -
CIRCULATING INTERCELLULAR-ADHESION MOLECULE-1 AND VASCULAR CELL-ADHESION MOLECULE-1 IN PEDIATRIC LIVER RECIPIENTS
Lang, T., Krams, S. M., Villanueva, J. C., So, S. K., Berquist, W. E., Cox, K. L., … Martinez, O. M. (1995). CIRCULATING INTERCELLULAR-ADHESION MOLECULE-1 AND VASCULAR CELL-ADHESION MOLECULE-1 IN PEDIATRIC LIVER RECIPIENTS. TRANSPLANTATION PROCEEDINGS, 27(1), 1148–1149. -
ISOLATED ALKALINE PHOSPHATEMIA FOLLOWING PEDIATRIC LIVER-TRANSPLANTATION IN THE FK506 ERA
Egawa, H., Berquist, W., So, S. K., Cox, K., Menegaux, F., & Esquivel, C. O. (1995). ISOLATED ALKALINE PHOSPHATEMIA FOLLOWING PEDIATRIC LIVER-TRANSPLANTATION IN THE FK506 ERA. TRANSPLANTATION, 59(5), 791–793. -
Biofeedback therapy for anorectal disorders in children.
Berquist, W. E. (1995). Biofeedback therapy for anorectal disorders in children. Seminars in Pediatric Surgery, 4(1), 48–53. -
LIVER-TRANSPLANTATION IN A CHILD WITH SICKLE-CELL-ANEMIA
Lang, T., Berquist, W. E., So, S. K., Cox, K. L., RICH, E. J., Vichinsky, E., … Esquivel, C. O. (1995). LIVER-TRANSPLANTATION IN A CHILD WITH SICKLE-CELL-ANEMIA. TRANSPLANTATION, 59(10), 1490–1492. -
HEPATOCELLULAR-CARCINOMA AND LIVER-CELL DYSPLASIA IN CHILDREN WITH CHRONIC LIVER-DISEASE
Esquivel, C. O., Gutierrez, C., Cox, K. L., GARCIAKENNEDY, R., Berquist, W., & Concepcion, W. (1994). HEPATOCELLULAR-CARCINOMA AND LIVER-CELL DYSPLASIA IN CHILDREN WITH CHRONIC LIVER-DISEASE. JOURNAL OF PEDIATRIC SURGERY, 29(11), 1465–69. -
REVASCULARIZATION TECHNIQUE FOR REDUCED-SIZE LIVER-TRANSPLANTATION FOR INFANTS WEIGHING LESS-THAN 10-KG
Nakazato, P. Z., Cox, K. L., Concepcion, W., Berquist, W. E., & Esquivel, C. O. (1993). REVASCULARIZATION TECHNIQUE FOR REDUCED-SIZE LIVER-TRANSPLANTATION FOR INFANTS WEIGHING LESS-THAN 10-KG. JOURNAL OF PEDIATRIC SURGERY, 28(7), 923–26. -
THE INFLUENCE OF PORTOENTEROSTOMY WITH STOMA ON MORBIDITY IN PEDIATRIC-PATIENTS WITH BILIARY ATRESIA UNDERGOING ORTHOTOPIC LIVER-TRANSPLANTATION
Meister, R. K., Esquivel, C. O., Cox, K. L., Concepcion, W., Berquist, W., Nakazato, P., & deVries, P. A. (1993). THE INFLUENCE OF PORTOENTEROSTOMY WITH STOMA ON MORBIDITY IN PEDIATRIC-PATIENTS WITH BILIARY ATRESIA UNDERGOING ORTHOTOPIC LIVER-TRANSPLANTATION. JOURNAL OF PEDIATRIC SURGERY, 28(3), 387–390. -
Oral tacrolimus (FK506) induction therapy in pediatric orthotopic liver transplantation
Cacciarelli, T. V., Esquivel, C. O., Cox, K. L., Hayashi, M., Berquist, W. E., Concepcion, W., & So, S. K. S. (1996). Oral tacrolimus (FK506) induction therapy in pediatric orthotopic liver transplantation. TRANSPLANTATION, 61(8), 1188–92. -
Elevated biliary interleukin 5 as an indicator of liver allograft rejection.
Lang, T., Krams, S. M., Berquist, W., Cox, K. L., Esquivel, C. O., & Martinez, O. M. (1995). Elevated biliary interleukin 5 as an indicator of liver allograft rejection. Transplant Immunology, 3(4), 291–98. -
Continuous venovenous hemofiltration with dialysis in combination with total hepatectomy and portocaval shunting - Bridge to liver transplantation
Hammer, G. B., So, S. K. S., ALUZRI, A., Conley, S. B., Concepcion, W., Cox, K. L., … Esquivel, C. O. (1996). Continuous venovenous hemofiltration with dialysis in combination with total hepatectomy and portocaval shunting - Bridge to liver transplantation. TRANSPLANTATION, 62(1), 130–32. -
Orthotopic liver transplantation for hepatocellular carcinoma - Factors affecting long-term patient survival
Ojogho, O. N., So, S. K. S., Keeffe, E. B., Berquist, W., Concepcion, W., GARCIAKENNEDY, R., … Esquivel, C. O. (1996). Orthotopic liver transplantation for hepatocellular carcinoma - Factors affecting long-term patient survival. ARCHIVES OF SURGERY, 131(9), 935–39. -
Rapid development of hepatocellular siderosis after liver transplantation for neonatal hemochromatosis
Egawa, H., Berquist, W., GARCIAKENNEDY, R., Cox, K., Knisely, A. S., & Esquivel, C. O. (1996). Rapid development of hepatocellular siderosis after liver transplantation for neonatal hemochromatosis. TRANSPLANTATION, 62(10), 1511–1513. -
Emergency transjugular intrahepatic portosystemic shunt (TIPS) in an infant: A case report
Cao, S., Monge, H., Semba, C., Cox, K. L., Berquist, W., Concepcion, W., … Esquivel, C. O. (1997). Emergency transjugular intrahepatic portosystemic shunt (TIPS) in an infant: A case report. JOURNAL OF PEDIATRIC SURGERY, 32(1), 125–27. -
Potential effect of cyclosporin A in formation of cholesterol gallstones in pediatric liver transplant recipients
Cao, S., Cox, K., So, S. S. K., Berquist, W., Lee, S. P., Haigh, W. G., … Esquivel, C. O. (1997). Potential effect of cyclosporin A in formation of cholesterol gallstones in pediatric liver transplant recipients. DIGESTIVE DISEASES AND SCIENCES, 42(7), 1409–15. -
Factors affecting survival after orthotopic liver transplantation in infants
Cacciarelli, T. V., Esquivel, C. O., Moore, D. H., Cox, K. L., Berquist, W. E., Concepcion, W., … So, S. K. S. (1997). Factors affecting survival after orthotopic liver transplantation in infants. TRANSPLANTATION, 64(2), 242–48. -
Cholic acid synthesis is reduced in pediatric liver recipients during graft dysfunction due to ischemic injury and allograft rejection
Lang, T., Sendl, A. F., Esquivel, C. O., Berquist, W. E., & Cox, K. L. (1997). Cholic acid synthesis is reduced in pediatric liver recipients during graft dysfunction due to ischemic injury and allograft rejection. TRANSPLANTATION, 64(11), 1585–1590. -
Wernicke encephalopathy and Beriberi during total parenteral nutrition attributable to multivitamin infusion shortage
Hahn, J. S., Berquist, W., Alcorn, D. M., Chamberlain, L., & Bass, D. (1998). Wernicke encephalopathy and Beriberi during total parenteral nutrition attributable to multivitamin infusion shortage. PEDIATRICS, 101(1). -
New, improved Helicobacter pylori eradication therapy in children.
Berquist, W. E. (1998). New, improved Helicobacter pylori eradication therapy in children. Journal of Pediatric Gastroenterology and Nutrition, 26(3), 360–361. -
Posttransplant lymphoproliferative disorders and gastrointestinal manifestations of Epstein-Barr virus infection in children following liver transplantation
Cao, S., Cox, K., Esquivel, C. O., Berquist, W., Concepcion, W., Ojogho, O., … So, S. (1998). Posttransplant lymphoproliferative disorders and gastrointestinal manifestations of Epstein-Barr virus infection in children following liver transplantation. TRANSPLANTATION, 66(7), 851–56. -
Outcome of nissen fundoplication using intraoperative manometry in children
Inge, T. H., Carmeci, C., Ohara, L. J., Berquist, W. B., & Cahill, J. L. (1998). Outcome of nissen fundoplication using intraoperative manometry in children. JOURNAL OF PEDIATRIC SURGERY, 33(11), 1614–1617. -
Increased dosage requirement and rejection after neoral conversion in pediatric liver transplant patients
Cao, S., Cox, K. L., Berquist, W., So, S., Concepcion, W., Monge, H., & Esquivel, C. O. (1998). Increased dosage requirement and rejection after neoral conversion in pediatric liver transplant patients. TRANSPLANTATION PROCEEDINGS, 30(8), 4322–24. -
Urinary phenylacetylglutamine as dosing biomarker for patients with urea cycle disorders
Mokhtarani, M., DIAZ, G. A., Rhead, W., Lichter-Konecki, U., Bartley, J., Feigenbaum, A., … Scharschmidt, B. F. (2012). Urinary phenylacetylglutamine as dosing biomarker for patients with urea cycle disorders. MOLECULAR GENETICS AND METABOLISM, 107(3), 308–14. -
Identifying Eosinophilic Esophagitis through Evaluation of Plasma Biomarkers
Joh, J., Huang, J., Nguyen, T., Vishwaanath, N., Patel, A., Fuentebella, J., … Nadeau, K. (2009). Identifying Eosinophilic Esophagitis through Evaluation of Plasma Biomarkers. JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY, 123(2), S169–S169. -
Transcription Factors as Disease Indicators in Eosinophilic Esophagitis
Nguyen, T., Gernez, Y., Fuentella, J., Patel, A., Tirouvanziam, R., Reshamwala, N., … Nadeau, K. (2010). Transcription Factors as Disease Indicators in Eosinophilic Esophagitis. Presented at the 10th Annual Meeting of the Federation-of-Clinical-Immunology-Societies, BOSTON,MA,MA,MA,MA,MA: ACADEMIC PRESS INC ELSEVIER SCIENCE. -
Cold agglutinin syndrome in post-liver transplant patients on tacrolimus.
Wong, W., Merker, J., Nguyen, C., Berquist, W., Glader, B., & Fontaine, M. J. (2006). Cold agglutinin syndrome in post-liver transplant patients on tacrolimus. BLOOD, 108(11), 288A–289A. -
HIGH DOSES OF CALCINEURIN INHIBITORS ARE ASSOCIATED WITH LOW LEVELS OF T REGULATORY CELLS IN PEDIATRIC LIVER TRANSPLANT RECIPIENTS.
Piard-Ruster, K. S., Silva, R., Berquist, W., Pham, B., Gallo, A., Krams, S. M., … Martinez, O. M. (2011). HIGH DOSES OF CALCINEURIN INHIBITORS ARE ASSOCIATED WITH LOW LEVELS OF T REGULATORY CELLS IN PEDIATRIC LIVER TRANSPLANT RECIPIENTS. WILEY-BLACKWELL. -
Use of a Novel Protocol to Successfully Characterize and Treat Immune-Mediated Acute Hepatitis and Liver Failure in Children
McKenzie, R., Berquist, W., Nadeau, K., Chen, S., Sibley, R., & Cox, K. (2013). Use of a Novel Protocol to Successfully Characterize and Treat Immune-Mediated Acute Hepatitis and Liver Failure in Children. Presented at the 13th American Transplant Congress (ATC), SEATTLE,WA,WA: WILEY-BLACKWELL. -
Ileoscopic biopsies may be inadequate for rejection surveillance after isolated intestinal transplantation.
Talisetti, A. K., Berquist, W. E., Cox, K. L., & Castillo, R. O. (2007). Ileoscopic biopsies may be inadequate for rejection surveillance after isolated intestinal transplantation. WILEY-BLACKWELL. -
Ammonia control and neurocognitive outcome among urea cycle disorder patients treated with glycerol phenylbutyrate
Diaz, G. A., Krivitzky, L. S., Mokhtarani, M., Rhead, W., Bartley, J., Feigenbaum, A., … Lee, B. (2013). Ammonia control and neurocognitive outcome among urea cycle disorder patients treated with glycerol phenylbutyrate. HEPATOLOGY, 57(6), 2171–79. -
Misdiagnosis of Alpha-1 Antitrypsin Phenotype in an Infant with CMV Infection and Liver Failure
Arias, P., Kerner, J., Christofferson, M., Berquist, W., & Park, K. T. (2014). Misdiagnosis of Alpha-1 Antitrypsin Phenotype in an Infant with CMV Infection and Liver Failure. DIGESTIVE DISEASES AND SCIENCES, 59(8), 1710–13. -
Novel protocol including liver biopsy to identify and treat CD8+ T-cell predominant acute hepatitis and liver failure.
McKenzie, R. B., Berquist, W. E., Nadeau, K. C., Louie, C. Y., Chen, S. F., Sibley, R. K., … Cox, K. L. (2014). Novel protocol including liver biopsy to identify and treat CD8+ T-cell predominant acute hepatitis and liver failure. Pediatric Transplantation, 18(5), 503–9. -
Elevated phenylacetic acid levels do not correlate with adverse events in patients with urea cycle disorders or hepatic encephalopathy and can be predicted based on the plasma PAA to PAGN ratio
Mokhtarani, M., DIAZ, G. A., Rhead, W., Berry, S. A., Lichter-Konecki, U., Feigenbaum, A., … Scharschmidt, B. F. (2013). Elevated phenylacetic acid levels do not correlate with adverse events in patients with urea cycle disorders or hepatic encephalopathy and can be predicted based on the plasma PAA to PAGN ratio. MOLECULAR GENETICS AND METABOLISM, 110(4), 446–53. -
Text Messaging Improves Participation in Laboratory Testing in Adolescent Liver Transplant Patients.
McKenzie, R. B., Berquist, W. E., Foley, M. A., Park, K. T., Windsheimer, J. E., & Litt, I. F. (2015). Text Messaging Improves Participation in Laboratory Testing in Adolescent Liver Transplant Patients. Journal of Participatory Medicine, 7. -
Blood ammonia and glutamine as predictors of hyperammonemic crises in patients with urea cycle disorder
Lee, B., Diaz, G. A., Rhead, W., Lichter-Konecki, U., Feigenbaum, A., Berry, S. A., … Scharschmidt, B. F. (2015). Blood ammonia and glutamine as predictors of hyperammonemic crises in patients with urea cycle disorder. GENETICS IN MEDICINE, 17(7), 561–68. -
Gastric Outlet Obstruction Caused by Heterotopic Pancreas in an Adolescent
Rodriguez, A. A., Berquist, W., & Bingham, D. (2015). Gastric Outlet Obstruction Caused by Heterotopic Pancreas in an Adolescent. DIGESTIVE DISEASES AND SCIENCES, 60(4), 835–37. -
Self-reported treatment-associated symptoms among patients with urea cycle disorders participating in glycerol phenylbutyrate clinical trials.
Nagamani, S. C. S., Diaz, G. A., Rhead, W., Berry, S. A., Le Mons, C., Lichter-Konecki, U., … Mokhtarani, M. (2015). Self-reported treatment-associated symptoms among patients with urea cycle disorders participating in glycerol phenylbutyrate clinical trials. Molecular Genetics and Metabolism, 116(1-2), 29–34. -
Endoscopic Submucosal Dissection of a Large Hamartoma in a Young Child.
Wall, J., Esquivel, M., Bruzoni, M., Wright, R., Berquist, W., & Albanese, C. (2016). Endoscopic Submucosal Dissection of a Large Hamartoma in a Young Child. Journal of Pediatric Gastroenterology and Nutrition, 62(1), e5–7. -
Glutamine and hyperammonemic crises in patients with urea cycle disorders
Lee, B., DIAZ, G. A., Rhead, W., Lichter-Konecki, U., Feigenbaum, A., Berry, S. A., … Scharschmidt, B. F. (2016). Glutamine and hyperammonemic crises in patients with urea cycle disorders. MOLECULAR GENETICS AND METABOLISM, 117(1), 27–32. -
Mutations in the nuclear bile acid receptor FXR cause progressive familial intrahepatic cholestasis.
Gomez-Ospina, N., Potter, C. J., Xiao, R., Manickam, K., Kim, M.-S., Kim, K. H., … Moore, D. D. (2016). Mutations in the nuclear bile acid receptor FXR cause progressive familial intrahepatic cholestasis. Nature Communications, 7, 10713-? -
Protein and calorie intakes in adult and pediatric subjects with urea cycle disorders participating in clinical trials of glycerol phenylbutyrate.
Hook, D., Diaz, G. A., Lee, B., Bartley, J., Longo, N., Berquist, W., … Mokhtarani, M. (2016). Protein and calorie intakes in adult and pediatric subjects with urea cycle disorders participating in clinical trials of glycerol phenylbutyrate. Molecular Genetics and Metabolism Reports, 6, 34–40. -
Mass cytometry reveals a distinct immunoprofile of operational tolerance in pediatric liver transplantation.
Lau, A. H., Vitalone, M. J., Haas, K., Shawler, T., Esquivel, C. O., Berquist, W. E., … Krams, S. M. (2016). Mass cytometry reveals a distinct immunoprofile of operational tolerance in pediatric liver transplantation. Pediatric Transplantation. -
Prenatal treatment of ornithine transcarbamylase deficiency.
Wilnai, Y., Blumenfeld, Y. J., Cusmano, K., Hintz, S. R., Alcorn, D., Benitz, W. E., … Enns, G. M. (2018). Prenatal treatment of ornithine transcarbamylase deficiency. Molecular Genetics and Metabolism. -
Dilation of Esophageal Stricture in a Pediatric Patient Using Functional Lumen Imaging Probe Technology Without the Use of Fluoroscopy.
Taylor, J. S., Danzer, E., Berquist, W. E., & Wall, J. K. (2018). Dilation of Esophageal Stricture in a Pediatric Patient Using Functional Lumen Imaging Probe Technology Without the Use of Fluoroscopy. Journal of Pediatric Gastroenterology and Nutrition. -
USE OF A NOVEL PROTOCOL TO SUCCESSFULLY CHARACTERIZE AND TREAT IMMUNE-MEDIATED ACUTE HEPATITIS AND LIVER FAILURE IN CHILDREN
McKenzie, R. B., Berquist, W., Esquivel, C., Nadeau, K., Chen, S., Sibley, R., & Cox, K. (2013). USE OF A NOVEL PROTOCOL TO SUCCESSFULLY CHARACTERIZE AND TREAT IMMUNE-MEDIATED ACUTE HEPATITIS AND LIVER FAILURE IN CHILDREN. PEDIATRIC TRANSPLANTATION, 17, 52. -
THE USE OF DACLIZUMAB OR ANTITHYMOCYTE GLOBULIN (ATG) FOR INDUCTION IN PEDIATRIC LIVER TRANSPLANTATION DOES NOT INCREASE THE RISK OF EPSTEIN-BARR VIRUS (EBV) VIREMIA POST TRANSPLANTATION BUT DOES SHORTEN THE TIME INTERVAL TO THE DEVELOPMENT
Lu, B., Park, K. T., Balise, R. R., Hurwitz, M., Cox, K., & Berquist, W. (2011). THE USE OF DACLIZUMAB OR ANTITHYMOCYTE GLOBULIN (ATG) FOR INDUCTION IN PEDIATRIC LIVER TRANSPLANTATION DOES NOT INCREASE THE RISK OF EPSTEIN-BARR VIRUS (EBV) VIREMIA POST TRANSPLANTATION BUT DOES SHORTEN THE TIME INTERVAL TO THE DEVELOPMENT. HEPATOLOGY, 54, 706A–707A. -
IMPACT OF AN ADOLESCENT LIVER TRANSPLANT CLINIC ON CLINICAL OUTCOMES
Algaze, S. D., McKenzie, R. B., Park, K. T., Castillo, M., & Berquist, W. E. (2013). IMPACT OF AN ADOLESCENT LIVER TRANSPLANT CLINIC ON CLINICAL OUTCOMES. PEDIATRIC TRANSPLANTATION, 17, 67. -
Growing Concerns: A 3-Year-Old Girl with Multiple Hepatic Masses and Gastrointestinal Bleeding
Yang, C., Gomez, A., Haldipur, A., Berquist, W., & Bass, D. (2018). Growing Concerns: A 3-Year-Old Girl with Multiple Hepatic Masses and Gastrointestinal Bleeding. DIGESTIVE DISEASES AND SCIENCES, 63(2), 329–33. -
The Effect of Calcineurin Inhibitor Dose on T Regulatory Cell Levels in Pediatric Liver Transplant Recipients.
Piard-Ruster, K., Silva, R., Berquist, W., Pham, B., Gallo, A., Krams, S. M., … Martinez, O. M. (2010). The Effect of Calcineurin Inhibitor Dose on T Regulatory Cell Levels in Pediatric Liver Transplant Recipients. AMERICAN JOURNAL OF TRANSPLANTATION. WILEY-BLACKWELL PUBLISHING, INC. -
Initial experience with peroral endoscopic myotomy for treatment of achalasia in children.
Kethman, W. C., Thorson, C. M., Sinclair, T. J., Berquist, W. E., Chao, S. D., & Wall, J. K. (2017). Initial experience with peroral endoscopic myotomy for treatment of achalasia in children. Journal of Pediatric Surgery. -
"Blueberry Muffin" Rash and Neonatal Cholestatic Liver Failure.
Mudambi, K., & Berquist, W. (2018). "Blueberry Muffin" Rash and Neonatal Cholestatic Liver Failure. Digestive Diseases and Sciences, 63(7), 1747–50. -
Treatment-related signs and symptoms among patients with urea cycle disorders (UCDs) during treatment with sodium phenylbutyrate and glycerol phenylbutyrate
Nagamani, S. C., Diaz, G. A., Rhead, W. J., Berry, S. A., Le Mons, C., Lichter-Konecki, U., … Lee, B. H. (2014). Treatment-related signs and symptoms among patients with urea cycle disorders (UCDs) during treatment with sodium phenylbutyrate and glycerol phenylbutyrate. CLINICAL BIOCHEMISTRY, 47(15), 153. -
Pediatric Endoscopy Practice Patterns in the United States, Canada and Mexico.
Barakat, M. T., Triadafilopoulos, G., & Berquist, W. E. (2019). Pediatric Endoscopy Practice Patterns in the United States, Canada and Mexico. Journal of Pediatric Gastroenterology and Nutrition. -
High prevalence of non-adherence in adolescent liver transplant recipients: Associated with demographic risk factors and significant adverse outcomes.
Berquist, R. K., Berquist, W. E., & Litt, I. F. (2007). High prevalence of non-adherence in adolescent liver transplant recipients: Associated with demographic risk factors and significant adverse outcomes. PEDIATRIC TRANSPLANTATION, 11, 73. -
Transition from pediatric to adult care in liver transplant recipients.
Berquist, R. K., Berquist, W. E., & Litt, I. F. (2007). Transition from pediatric to adult care in liver transplant recipients. PEDIATRIC TRANSPLANTATION, 11, 63. -
Optimizing care for GI disorders in children after hematopoietic stem cell transplantation
Berquist, W., & Dvorak, C. C. (2006). Optimizing care for GI disorders in children after hematopoietic stem cell transplantation. GASTROINTESTINAL ENDOSCOPY, 64(3), 386–88. -
Failure to diagnose obesity and screen for fatty liver disease in general pediatric practice
Riley, M. R., Berquist, W. E., Merriman, R. B., Bass, N. M., & Rosenthal, P. (2004). Failure to diagnose obesity and screen for fatty liver disease in general pediatric practice. PEDIATRIC RESEARCH, 55(4), 262A. -
The value of the PRISM scores in comparing pediatric liver transplant outcomes
Berquist, W. E., & Andrus, J. P. (2004). The value of the PRISM scores in comparing pediatric liver transplant outcomes. PEDIATRIC TRANSPLANTATION, 8(3), 208–9. -
LIVER TRANSPLANTATION IN MITOCHONDRIAL NEUROGASTROINTESTINAL ENCEPHALMYOPATHY (MNGIE)
Kripps, K., Larson, A., Nakayuenyongsuk, W., Berquist, W., Ospina, N. G., Esquivel, C., … Van Hove, J. (2019). LIVER TRANSPLANTATION IN MITOCHONDRIAL NEUROGASTROINTESTINAL ENCEPHALMYOPATHY (MNGIE). MOLECULAR GENETICS AND METABOLISM, 126(3), 280–81. -
Mutations in the nuclear bile acid receptor FXR cause progressive familial intrahepatic cholestasis
Gomez-Ospina, N., Potter, C. J., Xiao, R., Manickam, K., Kim, M.-S., Kim, K. H., … Moore, D. D. (2016). Mutations in the nuclear bile acid receptor FXR cause progressive familial intrahepatic cholestasis. NATURE COMMUNICATIONS, 7. -
"Blueberry Muffin" Rash and Neonatal Cholestatic Liver Failure
Mudambi, K., & Berquist, W. (2018). "Blueberry Muffin" Rash and Neonatal Cholestatic Liver Failure. DIGESTIVE DISEASES AND SCIENCES, 63(7), 1747–50. -
Initial experience with peroral endoscopic myotomy for treatment of achalasia in children
Kethman, W. C., Thorson, C. M., Sinclair, T. J., Berquist, W. E., Chao, S. D., & Wall, J. K. (2018). Initial experience with peroral endoscopic myotomy for treatment of achalasia in children. JOURNAL OF PEDIATRIC SURGERY, 53(8), 1532–36. -
PEDIATRIC ENDOSCOPY PRACTICE PATTERNS IN THE UNITED STATES, CANADA AND MEXICO
Barakat, M. T., Triadafilopoulos, G., & Berquist, W. (2019). PEDIATRIC ENDOSCOPY PRACTICE PATTERNS IN THE UNITED STATES, CANADA AND MEXICO. GASTROINTESTINAL ENDOSCOPY, 89(6), AB286. -
Long-term safety and efficacy of glycerol phenylbutyrate for the management of urea cycle disorder patients.
Diaz, G. A., Schulze, A., Longo, N., Rhead, W., Feigenbaum, A., Wong, D., … Berry, S. A. (2019). Long-term safety and efficacy of glycerol phenylbutyrate for the management of urea cycle disorder patients. Molecular Genetics and Metabolism. -
LIVER TRANSPLANTATION IN MITOCHONDRIAL NEUROGASTROINTESTINAL ENCEPHALMYOPATHY (MNGIE)
Kripps, K., Larson, A., Nakayuenyongsuk, W., Berquist, W., Ospina, N. G., Esquivel, C., … Van Hove, J. (2019). LIVER TRANSPLANTATION IN MITOCHONDRIAL NEUROGASTROINTESTINAL ENCEPHALMYOPATHY (MNGIE). MOLECULAR GENETICS AND METABOLISM, 127(3), 244. -
Liver transplantation for acute liver failure in neonatal enteroviral sepsis
Mandac, C., Schwartz, S. R., Concepcion, W., Gallo, A., Burgis, J., Berquist, W., … Bonham, A. (2019). Liver transplantation for acute liver failure in neonatal enteroviral sepsis. PEDIATRIC TRANSPLANTATION. WILEY. -
Pediatric Endoscopy Practice Patterns in the United States, Canada, and Mexico
Barakat, M. T., Triadafilopoulos, G., & Berquist, W. E. (2019). Pediatric Endoscopy Practice Patterns in the United States, Canada, and Mexico. JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION, 69(1), 24–31. -
Successful liver transplantation in mitochondrial neurogastrointestinal encephalomyopathy (MNGIE).
Kripps, K. A., Nakayuenyongsuk, W., Shayota, B. J., Berquist, W., Gomez-Ospina, N., Esquivel, C. O., … Larson, A. A. (2020). Successful liver transplantation in mitochondrial neurogastrointestinal encephalomyopathy (MNGIE). Molecular Genetics and Metabolism. -
Open-label prospective therapeutic clinical trials: oral vancomycin in children and adults with primary sclerosing cholangitis.
Ali, A. H., Damman, J., Shah, S. B., Davies, Y., Hurwitz, M., Stephen, M., … Cox, K. L. (2020). Open-label prospective therapeutic clinical trials: oral vancomycin in children and adults with primary sclerosing cholangitis. Scandinavian Journal of Gastroenterology, 1–10. -
Sustained Virologic Remission in an 8-Month-Old Pediatric Patient with Carbamoyl Phosphate Synthetase I Deficiency and Hepatitis C Infection Using Direct Acting Antivirals Prior to Liver Transplant.
Huang, A. C., Beadles, A., Romero, D., Berquist, W., Bensen, R., Kwo, P., & Mckenzie, R. B. (2020). Sustained Virologic Remission in an 8-Month-Old Pediatric Patient with Carbamoyl Phosphate Synthetase I Deficiency and Hepatitis C Infection Using Direct Acting Antivirals Prior to Liver Transplant. Journal of Pediatric Gastroenterology and Nutrition. -
Fluoroscopy Time during ERCP performed for Children and Adolescents is Significantly Higher with Low-volume Endoscopists.
Barakat, M. T., Gugig, R., Imperial, J., & Berquist, W. E. (2020). Fluoroscopy Time during ERCP performed for Children and Adolescents is Significantly Higher with Low-volume Endoscopists. Journal of Pediatric Gastroenterology and Nutrition. -
Nationwide evolution of Pediatric ERCP Indications, Utilization and Re-Admissions over Time.
Barakat, M. T., Cholankeril, G., Gugig, R., & Berquist, W. E. (2020). Nationwide evolution of Pediatric ERCP Indications, Utilization and Re-Admissions over Time. The Journal of Pediatrics. -
Cholangioscopy in Children & Adolescents: Utilization, Outcomes & Safety.
Barakat, M. T., Berquist, W. E., & Gugig, R. (2022). Cholangioscopy in Children & Adolescents: Utilization, Outcomes & Safety. Journal of Pediatric Gastroenterology and Nutrition.
Clinical Trials
Clinical trials are research studies that evaluate a new medical approach, device, drug, or other treatment. As a Stanford Health Care patient, you may have access to the latest, advanced clinical trials.
Open trials refer to studies currently accepting participants. Closed trials are not currently enrolling, but may open in the future.
Practice Locations
LPCH- Gastro (Palo Alto) Palo Alto, CA
Palo Alto, CAImportant Information about Our Organizations and Physician Affiliation
Stanford Health Care, Stanford Health Care Tri-Valley, and Stanford Medicine Partners are each independent nonprofit organizations that are affiliated with but separate from each other and from Stanford University. The physicians who provide care at facilities operated by Stanford Health Care, Stanford Health Care Tri-Valley, and Stanford Medicine Partners are faculty, foundation, or community physicians who are not employees, representatives, or agents of Stanford Health Care, Stanford Health Care Tri- Valley, or Stanford Medicine Partners. Stanford Health Care, Stanford Health Care Tri-Valley, and Stanford Medicine Partners do not exercise control over the care provided by such faculty, foundation, and community physicians and are not responsible for their actions.
Referring Physicians
PHYSICIAN HELPLINE
Fax: 650-320-9443
Monday–Friday, 8 a.m.–5 p.m.
Stanford Health Care provides comprehensive services to refer and track patients, as well as the latest information and news for physicians and office staff. For help with all referral needs and questions, visit Referral Information.
You may also submit a web referral or complete a referral form and fax it to 650-320-9443 or email the Referral Center at ReferralCenter@stanfordhealthcare.org.
- Send referrals online
- Place radiology and lab orders
- View referral status
- Access medical records