PUBLICATIONS

MATERNAL LEVEL OF CARE

  • Feldman DS, Bollman DL, Fridman M, Korst LM, El Haj Ibrahim S, Fink A, Gregory KD. Do laborists improve cesarean outcomes for laboring women in California community hospitals? American Journal of Obstetrics and Gynecology 2015; 213(4):587.e1-13.
  • Korst LM, Feldman DS, Bollman DL, Fridman M, El Haj Ibrahim S, Fink A, Gregory KD. Cross-sectional survey of California childbirth hospitals: implications for defining maternal levels of risk-appropriate care. American Journal of Obstetrics and Gynecology 2015; 213(4):527.e1-12.
  • Korst LM, Feldman DS, Bollman DL, Fridman M, El Haj Ibrahim S, Fink A, Wyatt Lacey, Gregory KD. Variation in childbirth services in California: a cross-sectional study of childbirth hospitals. American Journal of Obstetrics and Gynecology 2015; 213(4):523.e1-8.

PATIENT-CENTERED OUTCOMES

  • Korst LM, Fridman M, Saeb S, Greene N, Fink A, Gregory KD. The development of a conceptual framework and preliminary item bank for childbirth-specific patient-reported outcomes. Health Services Research 2018;53(5):3373-3399.
  • Gregory KD, Korst LM, Saeb S, McCulloch J, Greene N, Fink A, Fridman M. Childbirth-specific patient-reported outcomes as predictors of hospital satisfaction. American Journal of Obstetrics and Gynecology 2019;220 (2):201.e1-19.
  • Gregory KD, Korst LM, Saeb S, Fridman M. The role of patient-reported outcomes in women’s health. OBG Management 2018;30(3)18-23,48.

STATE TRENDS

  • Gregory KD, Korst LM, Cane P, Platt LD, Kahn K.  Vaginal birth after cesarean and uterine rupture rates in California. Obstetrics and Gynecology 1999;94(6):985-989.
  • Gregory KD, Korst LM, Platt LD. Variation in elective primary cesarean rates by patient and hospital factors. American Journal of Obstetrics and Gynecology 2001;184(7):1521-1534.
  • Gregory KD, Korst LM, Krychman M, Cane P, Platt LD. Variation in vaginal breech delivery rates by hospital type. Obstetrics and Gynecology 2001;97(3):385-390.
  • Gregory KD, Korst LM, Gornbein JA, Platt LD. Using administrative data to identify indications for elective primary cesarean delivery. Health Services Research 2002;37(5):1387-1401.
  • Korst LM, Eusebio AC, Chamorro T, Aydin CE, Gregory KD. Nursing documentation time during implementation of an electronic medical record. Journal of Nursing Administration 2003;33(1):24-30.
  • Gregory KD, Korst LM. Age and racial/ethnic differences in maternal, fetal and placental conditions in laboring patients. American Journal of Obstetrics and Gynecology 2003;188(6): 1602-1608.
  • Korst LM, Gregory KD, Gornbein JA. Elective primary cesarean delivery: Accuracy of administrative data. Paediatric and Perinatal Epidemiology 2004;18(2):112-119.
  • Korst LM, Fridman M, Friedlich PS, Lu MC, Reyes CR, Hobel CJ, Chavez GF, Gregory KD. Hospital rates of maternal and neonatal infection in a low-risk population. Maternal and Child Health Journal 2005; 9(3):307-316.
  • Korst LM, Gregory KD, Lu MC, Reyes C, Hobel CJ, Chavez GF. A framework for the development of maternal quality of care indicators. Maternal and Child Health Journal 2005; 9(3):317-341.
  • Lu MC, Fridman M, Korst LM, Gregory KD, Reyes C, Hobel CJ, Chavez GF. Variations in the incidence of postpartum hemorrhage across hospitals in California. Maternal Child Health Journal 2005; 9(3):297-306.
  • Korst LM, Gornbein JA, and Gregory KD. Rethinking the cesarean delivery rate: How pregnancy complications may affect inter-hospital comparisons. Medical Care 2005;43(3):237-45.
  • Korst LM, Reyes C, Fridman M, Lu MC, Hobel CJ, Gregory KD. Gestational pyelonephritis as a potential indicator of the quality of maternal care. Obstetrics and Gynecology 2006;107(3):632-40.
  • Gregory KD, Korst LM, Fridman M, Shihady I, Broussard P, Fink A, Bolton LB. Vaginal birth after cesarean: clinical risk factors associated with adverse outcome. American Journal of Obstetrics and Gynecology 2008;198(4):452.e1-10; discussion 452.e10-12.
  • Lu MC, Korst LM, Fridman M, Muthengi E, Gregory KD. Identifying women most likely to benefit from prevention strategies for postpartum hemorrhage. Journal of Perinatology 2009;29(6):422-427.
  • Gregory KD, Fridman M, Shah S, Korst LM. Global measures of quality and patient safety-related childbirth outcomes: Should we monitor adverse or ideal rates? American Journal of Obstetrics and Gynecology 2009;200(6):681.e1-7.
  • Lu MC, Muthengi E, Wakeel F, Fridman M, Korst LM, Gregory KD. Prolonged second stage of labor and postpartum hemorrhage. Journal of Maternal-Fetal and Neonatal Medicine 2009;22(3):227-232.
  • Korst LM, Fridman M, Lu MC, Fleege L, Mitchell C, Gregory KD. Trending elective preterm deliveries using administrative data. Paediatric and Perinatal Epidemiology 2012;27:44-53.
  • Gregory KD, Korst LM, Lu MC, Fridman M. AHRQ Patient Safety Indicators: time to include hemorrhage and infection during childbirth. Joint Commission Journal on Quality and Patient Safety 2013;39(3):114-122.
  • Fridman M, Korst LM, Chow J, Lawton E, Mitchell C, Gregory KD. Trends in maternal morbidity before and during pregnancy in California. American Journal of Public Health 2014;104 Suppl 1:S49-S57.
  • Korst LM, Fridman M, Lu MC, Mitchell C, Lawton E, Griffin F, Gregory KD. Monitoring childbirth morbidity using hospital discharge data: further development and application of a composite measure.  American Journal of Obstetrics and Gynecology 2014;211:268e1-16.
  • Ibrahim S, Fridman M, Korst LM, Gregory KD. Anesthesia complications as a childbirth patient safety indicator. Anesthesia & Analgesia 2014; 119(4):911-7.
  • Korst LM, Fridman M, Estarziau M, Gregory KD, Mitchell C. The feasibility of tracking elective deliveries prior to 39 weeks: lessons from three California projects. Maternal & Child Health Journal 2015: 19(10):2128-2137.
  • Kominiarek M, VanVeldhuisen P, Gregory KD, Fridman M, Kim H, Hibbard, J. Intrapartum cesarean delivery in nulliparas: Risk factors compared by two analytical approaches.  Journal of Perinatology 2015; 35(3):167-72.
  • Cofer FG, Fridman M, Lawton E, Korst LM, Nicholas L, Gregory KD. Interpregnancy interval and childbirth outcomes in California, 2007-2009. Maternal & Child Health Journal 2016; 20(Suppl 1):43-51.
  • Fridman M, Greene NH, Lawton E, Korst LM, El Haj Ibrahim S, Griffin F, Gregory KD. Evaluating the effect of maternal health conditions on severe maternal morbidity adjusting for cesarean delivery: a mediation analysis approach. Journal of Epidemiological Research 2016;2(2):36-48.
  • Fridman M, El Haj Ibrahim S, Griffin F, Lawton E, Korst L, Nicholas L, Gregory K. (2016) Trends in Maternal Morbidity, California 2007 to 2009. Report of Statewide and County levels of preexisting maternal health conditions, pregnancy complications, severe maternal and neonatal complications. Sacramento: California Department of Public Health, Center for Family Health, Maternal, Child and Adolescent Health Division. https://www.cdph.ca.gov/programs/mcah/Documents/MCAH_Morbidity%20Trends%20Report__12Jan2016.pdf
  • Batra P, Fridman M, Leng M, Gregory KD. Emergency department care in the postpartum period: California births. 2009-2011. Obstetrics & Gynecology 2017;130(5):1073-1081.
  • Fridman M, Korst LM, Lawton E, Greene NH, Saeb S, Nicholas L, Gregory K. The effect of maternal health conditions on maternal morbidity in women with a prior cesarean:  the role of elective repeat cesarean delivery. Journal of Epidemiological Research 2019.

REVIEWS AND COLLABORATIVE WORK

  • Gould JB, Danielsen B, Korst LM, Phibbs R, Chance K, Main E, Wirtschafter DD, Stevenson DK, for the California Perinatal Quality Care Collaborative. Cesarean rates and neonatal morbidity in a low risk population. Obstetrics and Gynecology 2004;104(1):11-19.
  • Bolton LB, Shihady IR, Bennett C, Broussard P, Fridman M, Fink A, Fridman R, Aydin C, Korst LM, Gregory KD. Engaging nurse leaders in health services research. Journal of Nursing Administration 2005;35(5):238-43.
  • Shihady IR, Broussard P, Bolton LB, Fink A, Fridman M, Fridman R, Aydin C, Korst LM, Gregory KD. Vaginal birth after cesarean: Do California hospital policies follow national guidelines? Journal of Reproductive Medicine 2007;52(5):349-358.
  • Shaw KJ, Gutierrez M, Fridman M, Gregory KD. Health care costs associated with changing clinics and “walk-in” deliveries: evidence supporting a regionalized health information network. American Journal of Obstetrics and Gynecology 2008; 198(6):707.e1-8.
  • Gregory KD, Fridman M, Korst L. Trends and patterns of vaginal birth after cesarean availability in the United States. Seminars in Perinatology 2010;34:237-243.
  • Korst LM, Fridman M, Phelan JP, Gregory KD. Non-clinical factors affecting women's access to trial of labor after cesarean delivery. Clinics in Perinatology 2011; 38(2):193-216. (doi:10.1016/j.clp.2011.03.004).
  • Phelan JP, Korst LM. Establishing a culture of perinatal safety in a community hospital. Journal of Healthcare Risk Management 2011;31(1):12-18.
  • Gregory KD, Jackson S, Korst L, Fridman M. Cesarean vs. vaginal delivery: whose risks? Whose benefits? American Journal of Perinatology 2012; 29(1):7-18, 2012.
  • Pourat N, Martinez AE, Jones JM, Gregory KD, Korst L, Kominski GF. Costs of Gestational Hypertensive Disorders in California: Hypertension, Preeclampsia, and Eclampsia. Los Angeles, CA: UCLA Center for Health Policy Research; 2013. Available at: http://healthpolicy.ucla.edu/publications/Documents/PDF/gestationaldisordersreport-oct2013.pdf.
  • Pourat N, Martinez AE, McCullough J, Gregory KD, Korst L, Kominski GF. Costs of Maternal Hemorrhage in California. Los Angeles, CA: UCLA Center for Health Policy Research; 2013. Available At http://healthpolicy.ucla.edu/publications/Documents/PDF/maternalhemorrhagereport-oct2013.pdf.
  • Curtin SC, Gregory KD, Korst LM, Uddin SFG. Maternal morbidity for vaginal and cesarean deliveries, according to previous cesarean history: new data from the birth certificate, 2013. National Vital Statistics Reports 2015; 64(4):1-13.