Michael A Belfort

Summary

Affiliation: LDS Hospital
Country: USA

Publications

  1. ncbi Cerebral perfusion pressure, and not cerebral blood flow, may be the critical determinant of intracranial injury in preeclampsia: a new hypothesis
    Michael A Belfort
    Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, USA
    Am J Obstet Gynecol 187:626-34. 2002
  2. ncbi Novel techniques for cerebral evaluation in preeclampsia and eclampsia
    Michael A Belfort
    Department of Obstetrics and Gynecology, University of Utah Hospitals and Clinics, Salt Lake City, Utah, USA
    Clin Obstet Gynecol 48:387-405. 2005
  3. ncbi Is high cerebral perfusion pressure and cerebral flow predictive of impending seizures in preeclampsia? A case report
    Michael A Belfort
    Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, University of Utah, Salt Lake City 84132, USA
    Hypertens Pregnancy 24:59-63. 2005
  4. ncbi Labetalol decreases cerebral perfusion pressure without negatively affecting cerebral blood flow in hypertensive gravidas
    Michael A Belfort
    Division of Maternal Fetal Medicine, Department of Obstetrics, University of Utah School of Medicine, Salt Lake City, UT, USA
    Hypertens Pregnancy 21:185-97. 2002
  5. ncbi A comparison of magnesium sulfate and nimodipine for the prevention of eclampsia
    Michael A Belfort
    Department of Obstetrics and Gynecology, University of Utah Health Sciences Center, Salt Lake City, Utah, USA
    N Engl J Med 348:304-11. 2003
  6. ncbi Cerebrovascular hemodynamics in pregnant women with mild chronic hypertension
    Shlomit Riskin-Mashiah
    Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas, USA
    Obstet Gynecol 103:294-8. 2004
  7. ncbi Cerebral hemodynamics in preeclampsia: cerebral perfusion and the rationale for an alternative to magnesium sulfate
    Michael A Belfort
    St Marks Hospital and University of Utah School of Medicine, Salt Lake City, Utah 84124, USA
    Obstet Gynecol Surv 61:655-65. 2006
  8. ncbi Preeclampsia is associated with global cerebral hemodynamic changes
    Shlomit Riskin-Mashiah
    Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas, USA
    J Soc Gynecol Investig 12:253-6. 2005
  9. ncbi Cerebrovascular hemodynamics in chronic hypertensive pregnant women who later develop superimposed preeclampsia
    Shlomit Riskin-Mashiah
    Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas, USA
    J Soc Gynecol Investig 12:28-32. 2005
  10. ncbi Side-to-side differences in transcranial Doppler parameters in normotensive and preeclamptic pregnant women
    Shlomit Riskin-Mashiah
    Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, TX, USA
    Am J Obstet Gynecol 190:194-8. 2004

Detail Information

Publications32

  1. ncbi Cerebral perfusion pressure, and not cerebral blood flow, may be the critical determinant of intracranial injury in preeclampsia: a new hypothesis
    Michael A Belfort
    Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, USA
    Am J Obstet Gynecol 187:626-34. 2002
    ..The relationship between cerebral perfusion pressure (CPP) and cerebral blood flow is unclear in preeclampsia. Our objective was to clarify this issue by comparing normal pregnant women to those with mild and severe preeclampsia...
  2. ncbi Novel techniques for cerebral evaluation in preeclampsia and eclampsia
    Michael A Belfort
    Department of Obstetrics and Gynecology, University of Utah Hospitals and Clinics, Salt Lake City, Utah, USA
    Clin Obstet Gynecol 48:387-405. 2005
  3. ncbi Is high cerebral perfusion pressure and cerebral flow predictive of impending seizures in preeclampsia? A case report
    Michael A Belfort
    Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, University of Utah, Salt Lake City 84132, USA
    Hypertens Pregnancy 24:59-63. 2005
    ..This finding suggests that cerebral overperfusion may be at least one of the etiologies involved in the pathogenesis of eclampsia...
  4. ncbi Labetalol decreases cerebral perfusion pressure without negatively affecting cerebral blood flow in hypertensive gravidas
    Michael A Belfort
    Division of Maternal Fetal Medicine, Department of Obstetrics, University of Utah School of Medicine, Salt Lake City, UT, USA
    Hypertens Pregnancy 21:185-97. 2002
    ..To research the cerebral hemodynamic effects of labetalol in pregnant women with hypertension...
  5. ncbi A comparison of magnesium sulfate and nimodipine for the prevention of eclampsia
    Michael A Belfort
    Department of Obstetrics and Gynecology, University of Utah Health Sciences Center, Salt Lake City, Utah, USA
    N Engl J Med 348:304-11. 2003
    ..Nimodipine is a calcium-channel blocker with specific cerebral vasodilator activity. Our objective was to determine whether nimodipine is more effective than magnesium sulfate for seizure prophylaxis in women with severe preeclampsia...
  6. ncbi Cerebrovascular hemodynamics in pregnant women with mild chronic hypertension
    Shlomit Riskin-Mashiah
    Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas, USA
    Obstet Gynecol 103:294-8. 2004
    ..To evaluate and compare the cerebrovascular autoregulation in pregnant normotensive and mild chronic hypertensive patients without preeclampsia...
  7. ncbi Cerebral hemodynamics in preeclampsia: cerebral perfusion and the rationale for an alternative to magnesium sulfate
    Michael A Belfort
    St Marks Hospital and University of Utah School of Medicine, Salt Lake City, Utah 84124, USA
    Obstet Gynecol Surv 61:655-65. 2006
    ..This article deals with the rationale behind the use of labetalol as an alternative to magnesium sulfate for the prevention of eclampsia...
  8. ncbi Preeclampsia is associated with global cerebral hemodynamic changes
    Shlomit Riskin-Mashiah
    Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas, USA
    J Soc Gynecol Investig 12:253-6. 2005
    ..To compare blood flow-velocity parameters in the anterior and posterior cerebral arteries between normotensive and preeclamptic pregnant women...
  9. ncbi Cerebrovascular hemodynamics in chronic hypertensive pregnant women who later develop superimposed preeclampsia
    Shlomit Riskin-Mashiah
    Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas, USA
    J Soc Gynecol Investig 12:28-32. 2005
    ..In the current study, we tested the hypothesis that women with chronic hypertension who later developed superimposed preeclampsia behave similarly...
  10. ncbi Side-to-side differences in transcranial Doppler parameters in normotensive and preeclamptic pregnant women
    Shlomit Riskin-Mashiah
    Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, TX, USA
    Am J Obstet Gynecol 190:194-8. 2004
    ..This study was undertaken to investigate whether women with preeclampsia demonstrate larger side-to-side velocity differences in the middle cerebral artery (MCA) compared with normotensive pregnant women...
  11. doi Cerebral autoregulation in normal pregnancy and preeclampsia
    Teelkien R Van Veen
    University Medical Center Groningen, Department of Obstetrics and Gynecology, Groningen, the Netherlands Baylor College of Medicine, Department of Obstetrics and Gynecology, Houston, Texas University of Leicester, Department of Cardiovascular Sciences, Leicester, United Kingdom St David s Women s Center of Texas, North Austin Maternal Fetal Medicine, Austin, Texas and Erasmus Medical Center, Department of Obstetrics and Gynecology, Rotterdam, The Netherlands
    Obstet Gynecol 122:1064-9. 2013
    ..To test the hypothesis that preeclampsia is associated with impaired dynamic cerebral autoregulation...
  12. doi Intraluminal pressure in a uterine tamponade balloon is curvilinearly related to the volume of fluid infused
    Michael A Belfort
    Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas 77030, USA
    Am J Perinatol 28:659-66. 2011
    ..Whether this is the result of direct compression of the artery in the lower segment or due to wall conformational changes is not clear...
  13. ncbi Evaluation of a new real-time blood continuous glucose monitoring system in pregnant women without gestational diabetes. A pilot study
    Heidi Porter
    Utah Valley Regional Medical Center, Provo, Utah, USA
    J Perinat Neonatal Nurs 18:93-102. 2004
    ..The findings of our pilot study provide baseline data for the design of a larger study to compare blood glucose levels and complications in euglycemic women and compare to women with those impaired glucose tolerance...
  14. doi Prediction of patient-specific risk for fetal loss using maternal characteristics and first- and second-trimester maternal serum Down syndrome markers
    Lorraine Dugoff
    Department of Obstetrics and Gynecology, University of Colorado at Denver Health Sciences Center, Aurora, CO, USA
    Am J Obstet Gynecol 199:290.e1-6. 2008
    ..To develop and evaluate a method of estimating patient-specific risk for fetal loss by combining maternal characteristics with serum markers...
  15. doi ST segment analysis (STAN) as an adjunct to electronic fetal monitoring, Part II: clinical studies and future directions
    Michael A Belfort
    Department of Obstetrics and Gynecology, Baylor College of Medicine, Texas Children s Hospital, Houston, TX, USA
    Clin Perinatol 38:159-67, vii. 2011
    ..The Part 1 article focused on the physiology and general system for interpretation of ST segment analysis (STAN) systems. This article focuses on prior clinical studies of STAN and future research directions...
  16. doi Mixoploidy: perinatal diagnosis and pregnancy outcome
    Ashwin R Jadhav
    Division of Maternal Fetal Medicine, New York University Medical Center, New York, NY 11366, USA
    Am J Perinatol 27:599-602. 2010
    ..We report on two cases of abnormal midtrimester ultrasound showing placental abnormalities. Karyotype assessment showed mixoploidy, and both cases had satisfactory pregnancy outcome...
  17. ncbi Transcranial doppler measurement of cerebral velocity indices as a predictor of preeclampsia
    Shlomit Riskin-Mashiah
    Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Tex, USA
    Am J Obstet Gynecol 187:1667-72. 2002
    ..In the current study, we tested the hypothesis that abnormal cerebrovascular function can be detected before the clinical onset of preeclampsia...
  18. ncbi Post Magpie: how should we be managing severe preeclampsia?
    Antonio E Frias
    Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, University of Utah Health Sciences Center, Salt Lake City, Utah, USA
    Curr Opin Obstet Gynecol 15:489-95. 2003
    ..The title explains the clinical nature of this paper and a detailed review of the basic science literature is beyond the scope of this article...
  19. doi Visually estimated and calculated blood loss in vaginal and cesarean delivery
    Irene Stafford
    Department of Obstetrics and Gynecology, Louisiana State University Health Sciences Center, New Orleans, LA 75390 9032, USA
    Am J Obstet Gynecol 199:519.e1-7. 2008
    ..The objective of the study was to compare visually estimated blood loss (vEBL) with calculated estimated blood loss (cEBL) according to mode of delivery and degree of perineal laceration...
  20. ncbi Eclampsia: morbidity, mortality, and management
    Kjersti M Aagaard-Tillery
    Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, University of Utah Health Sciences Center, Salt Lake City, Utah, USA
    Clin Obstet Gynecol 48:12-23. 2005
  21. ncbi Preeclampsia recurrence and prevention
    Gary A Dildy
    Department of Obstetrics and Gynecology, LSU Health Sciences Center, New Orleans, LA, USA
    Semin Perinatol 31:135-41. 2007
    ..Although some progress has been made in developing potential therapeutic options to prevent preeclampsia recurrence, there is a great need for better data to determine who will benefit most from any specific therapy...
  22. doi Changes in maternal posterior and anterior cerebral artery flow velocity during pregnancy and postpartum--a longitudinal study
    Teelkien R Van Veen
    Department of Obstetrics and Gynecology, University Medical Center Groningen, Groningen, The Netherlands Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, TX, USA
    J Clin Ultrasound 41:532-7. 2013
    ..To evaluate the normal range of blood flow velocity in the maternal anterior (ACA) and posterior cerebral arteries (PCA) along the normal pregnancy and postpartum period...
  23. doi Maternal heart rate patterns in the first and second stages of labor
    Teelkien R Van Veen
    University Medical Center Groningen, Department of Obstetrics and Gynecology, Groningen, The Netherlands
    Acta Obstet Gynecol Scand 91:598-604. 2012
    ..Because second stage MHR accelerations generally show greater amplitude than FHR accelerations, tracings with repetitive accelerations during contractions (especially when Δ >20bpm) should be considered MHR until proven otherwise...
  24. ncbi Arginine flux and nitric oxide production during human pregnancy and postpartum
    Linda A Goodrum
    Department of Obstetrics and Gynecology, Children s Nutrition Research Center, Baylor College of Medicine, Houston, Texas 77555 0587, USA
    J Soc Gynecol Investig 10:400-5. 2003
    ..To compare second-trimester, third-trimester, and postpartum arginine flux and nitric oxide production using infusions of the stable isotope L-[(15)N(2)]-arginine in normal human gestation...
  25. doi Indicated preterm birth for placenta accreta
    Michael A Belfort
    Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, TX 77030, USA
    Semin Perinatol 35:252-6. 2011
    ..Given the best-available evidence, optimal time for delivery is believed to be between 34 and 35 weeks in most cases...
  26. ncbi The effect of in utero exposure to indomethacin on the need for surgical closure of a patent ductus arteriosus in the neonate
    Victor R Suarez
    Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, TX, USA
    Am J Obstet Gynecol 187:886-8. 2002
    ..Our purpose was to determine the effect of in utero exposure to indomethacin on the need for surgical closure of a patent ductus arteriosus (PDA)...
  27. ncbi An effective pressure pack for severe pelvic hemorrhage
    Gary A Dildy
    Department of Obstetrics and Gynecology, Louisiana State University School of Medicine, New Orleans, Louisiana, USA
    Obstet Gynecol 108:1222-6. 2006
    ..To evaluate our experience with the "pelvic pressure pack," a surgical technique for controlling posthysterectomy bleeding...
  28. doi ST segment analysis as an adjunct to electronic fetal monitoring, Part I: background, physiology, and interpretation
    Michael A Belfort
    Department of Obstetrics and Gynecology, Baylor College of Medicine, Texas Children s Hospital, Houston, TX, USA
    Clin Perinatol 38:143-57, vii. 2011
    ..This article discusses specific fetal ECG changes and their significance and the use of the STAN system...
  29. doi Eikenella corrodens chorioamnionitis: modes of infection?
    Ashwin R Jadhav
    Department of Obstetrics and Gynecology, Mount Sinai School of Medicine Jamaica Residency Program, New York, NY, USA
    Am J Obstet Gynecol 200:e4-5. 2009
    ..Hematogenous spread from repeated trauma to tongue piercing and ascending vaginal infection are possible routes for E corrodens intraamniotic infection...
  30. ncbi Prediction of shoulder dystocia using multivariate analysis
    Michael A Belfort
    HCA Perinatal Safety Group, Nashville, Tennessee, USA
    Am J Perinatol 24:5-10. 2007
    ..SD is independently associated with BW, GLU, and OVD, and may be predicted with clinically acceptable accuracy using multiple variables. This model may be useful in the design of prospective studies for managing suspected macrosomia...
  31. ncbi Effect of gestational age and position on peak expiratory flow rate: a longitudinal study
    Hassan M Harirah
    University of Texas Medical Branch at Galveston, 301 University Boulevard, Galveston, TX 77555 0587, USA
    Obstet Gynecol 105:372-6. 2005
    ..We sought to study the effects of gestational age and maternal position on peak expiratory flow rates...
  32. doi Improved outcomes, fewer cesarean deliveries, and reduced litigation: results of a new paradigm in patient safety
    Steven L Clark
    Hospital Corporation of America, Nashville, TN, USA
    Am J Obstet Gynecol 199:105.e1-7. 2008
    ..Since the inception of this program, we have seen improvements in patient outcomes, a dramatic decline in litigation claims, and a reduction in the primary cesarean delivery rate...