ChristosHatjisMD

PubMed

• 107 citations
  Characteristics associated with severe perineal and cervical lacerations during vaginal delivery
  Helain J. Landy, S. Katherine Laughon, Jennifer L. Bailit, Michelle A. Kominiarek, Victor Hugo Gonzalez-Quintero, Mildred Ramirez, Shoshana Haberman, Judith U. Hibbard...> ;Obstetrics and Gynecology. 2011 Mar 1
• 470 citations
  Contemporary Patterns of Spontaneous Labor With Normal Neonatal Outcomes
  Jun Zhang, Helain J. Landy, D. Ware Branch, Ronald T. Burkman, Shoshana Haberman, Kimberly D. Gregory, Christos Hatjis, Mildred Ramirez, Jennifer L. Bailit, Victor Hug...> ;Obstetrics and Gynecology. 2010 Dec 1
• 431 citations
  Contemporary cesarean delivery practice in the United States
  Jun Zhang, James Troendle, Uma M. Reddy, S. Katherine Laughon, D. Ware Branch, Ronald T. Burkman, Helain J. Landy, Judith U. Hibbard, Shoshana Haberman, Mildred Ramire...> ;American Journal of Obstetrics and Gynecology. 2010 Oct 1
• 107 citations
  The maternal body mass index: a strong association with delivery route
  Michelle A. Kominiarek, Paul Vanveldhuisen, Judith U. Hibbard, Helain J. Landy, Shoshana Haberman, Lee A. Learman, Isabelle Wilkins, Jennifer L. Bailit, Ware Branch, R...> ;American Journal of Obstetrics and Gynecology. 2010 Sep 1
• 375 citations
  Respiratory morbidity in late preterm births
  Judith U. Hibbard, Isabelle Wilkins, Liping Sun, Kimberly D. Gregory, Shoshana Haberman, Matthew K. Hoffman, Michelle A. Kominiarek, Uma M. Reddy, Jennifer L. Bailit, ...> ;JAMA. 2010 Jul 28
• 102 citations
  Maternal and neonatal outcomes by labor onset type and gestational age
  Jennifer L. Bailit, Kimberly D. Gregory, Uma M. Reddy, Victor Hugo Gonzalez-Quintero, Judith U. Hibbard, Mildred Ramirez, D. Ware Branch, Ronald T. Burkman, Shoshana H...> ;American Journal of Obstetrics and Gynecology. 2010 Mar 1
• 9 citations
  The ability of the quadruple test to predict adverse perinatal outcomes in a high-risk obstetric population.
  Michael R Lao, Byron C Calhoun, Luis A. Bracero, Ying Wang, Dara J Seybold, Mike Broce, Christos G Hatjis> ;Journal of Medical Screening. 2009 Jun 29
• Ruptured tubal pregnancy associated with intrauterine pregnancy complicated by fetal holoprosencephaly: a case report.
  Aliff, D.P., Hatjis, C.G., Heywood, S.G., Hill, R.J.> ;J Reprod Med. 2007 May
• The multiple challenges in the management of a patient with HELLP syndrome, liver rupture and eclampsia.
  Craig S. Herring, S. Greg Heywood, Christos G. Hatjis> ;The West Virginia Medical Journal. 2005 Nov 1
• 3 citations
  Compliance-weight deficit index. Combining umbilical artery resistance and growth deficit for predicting intrauterine growth retardation and poor perinatal outcome.
  Alexander D. Kofinas, Mary Penry, Christos G. Hatjis> ;The Journal of Reproductive Medicine. 1994 Aug 1
• 8 citations
  In utero diagnosis of spontaneous fetal urinary bladder rupture.
  Christos G. Hatjis> ;Journal of Clinical Ultrasound. 1993 Nov 1
• 4 citations
  Atrial natriuretic factor concentrations during pregnancy and in the postpartum period.
  Christos G. Hatjis, Alexander D. Kofinas, James P. Greelish, Melissa Swain, James C. Rose> ;American Journal of Perinatology. 1992 Jul 1
• 28 citations
  Uteroplacental Doppler flow velocity waveform indices in normal pregnancy: a statistical exercise and the development of appropriate reference values.
  Alexander D. Kofinas, Mark A. Espeland, Mary Penry, Melissa Swain, Christos G. Hatjis> ;American Journal of Perinatology. 1992 Mar 1
• 13 citations
  Umbilical vessel flow velocity waveforms in cord entanglement in a monoamnionic multiple gestation. A case report.
  Alexander D. Kofinas, Mary Penry, Christos G. Hatjis> ;The Journal of Reproductive Medicine. 1991 Apr 1
• 19 citations
  Interrelationship between atrial natriuretic factor concentrations and acute volume expansion in pregnant and nonpregnant women.
  Christos G. Hatjis, Alexander D. Kofinas, James P. Greelish, Melissa Swain, James C. Rose> ;American Journal of Obstetrics and Gynecology. 1990 Jul 1
• 3 citations
  Treatment of oophorectomized guinea pigs with intrauterine 17β-estradiol pellets may modulate myometrial β-adrenergic receptor binding properties
  Christos G. Hatjis, David M. Grogan, Donald R. Koritnik> ;American Journal of Obstetrics and Gynecology. 1989 Dec 1
• 2 citations
  Pregnancy-induced changes in the interaction of guinea pig myometrial β-adrenergic receptors with l-isoproterenol
  Christos G. Hatjis, David M. Grogan> ;American Journal of Obstetrics and Gynecology. 1989 Dec 1
• 40 citations
  Effect of placental laterality on uterine artery resistance and development of preeclampsia and intrauterine growth retardation.
  Alexander D. Kofinas, Mary Penry, Melissa Swain, Christos G. Hatjis> ;American Journal of Obstetrics and Gynecology. 1989 Dec 1
• Number clarification requested.
  Christos G. Hatjis> ;American Journal of Obstetrics and Gynecology. 1989 Dec 1
• 28 citations
  Atrial natriuretic factor maternal and fetal concentrations in severe preeclampsia.
  Christos G. Hatjis, James P. Greelish, Alexander D. Kofinas, Ashley Stroud, Kozo Hashimoto, James C. Rose> ;American Journal of Obstetrics and Gynecology. 1989 Oct 1
• 3 citations
  Up-regulation of guinea pig myometrial adenylate cyclase activity by intrauterine estradiol and progesterone pellets
  Christos G. Hatjis, Donald R. Koritnik> ;American Journal of Obstetrics and Gynecology. 1989 Oct 1
• 5 citations
  Atrial natriuretic peptide receptors in guinea pig placentas.
  Christos G. Hatjis, David M. Grogan> ;American Journal of Obstetrics and Gynecology. 1989 Aug 1
• 6 citations
  Up-regulation of guinea pig myometrial β-adrenergic receptors by intrauterine estradiol and progesterone pellets
  Christos G. Hatjis, Donald R. Koritnik, David M. Grogan> ;American Journal of Obstetrics and Gynecology. 1989 Mar 1
• 11 citations
  Changes in placental atrial natriuretic peptide receptors associated with severe toxemia of pregnancy.
  Christos G. Hatjis, David M. Grogan> ;Placenta. 1989 Mar 1
• 3 citations
  Oxytocin, vasopressin, and prolactin responses associated with nipple stimulation.
  Christos G. Hatjis, Mariana Morris, James C. Rose, Alexander D. Kofinas, Mary Penry, Melissa Swain> ;Southern Medical Journal. 1989 Feb 1
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Abstracts/Posters

• Predictors of shoulder dystocia with and without neonatal injury using multivariable modeling.
  Matthew Hoffman, Jennifer L. Bailit, Isabelle Wilkins, Victor Gonzalez, Kimberly Gregory, Christos Hatjis, Mildred Ramirez, Uma Reddy, James Troendle, Jun Zhang, Ware ..., American Journal of Obstetrics & Gynecology, 1/1/2011
• Respiratory morbidity in the late preterm neonate (LPN).
  Judith U. Hibbard, Isabelle Wilkins, Jun Zhang, Jennifer Bailit, Ronald Burkman, Ware Branch, Victor Gonzalez-Quintero, Kimberly Gregory, Shoshana Haberman, Christos H..., American Journal of Obstetrics & Gynecology, 12/1/2009
• The impact of epidural timing on mode of delivery in nulliparous women at term.
  Alexandra Eller, Ware Branch, Li Lu, Jim Zhang, Isabelle Wilkins, Judith Hibbard, Ronald Burkman, Jennifer Bailit, Victor Hugo Gonzalez Quintero, Kimberly Gregory, Sho..., American Journal of Obstetrics & Gynecology, 12/1/2009
• Neonatal outcomes by labor onset type and gestational age.
  Jennifer Bailit, Jun Zhang, Victor Hugo Gonzalez Quintero, Kimberly Gregory, Judith Hibbard, Mildred Ramirez, Uma Reddy, Paul Vanveldhuisen, Christos G. Hatjis, MD, Ro..., American Journal of Obstetrics & Gynecology, 12/1/2009
• Maternal outcomes by labor onset type.
  Jennifer Bailit, Jun Zhang, Victor Hugo Gonzalez Quintero, Kimberly Gregory, Isabelle Wilkins, Mildred M. Ramirez, Uma Reddy, Paul Vanveldhuisen, Ronald Burkman, Ware ..., American Journal of Obstetrics & Gynecology, 12/1/2009
• The maternal body mass index (BMI): a strong predictor of the success of a vaginal delivery.
  Michelle Kominiarek, Paul Vanveldhuisen, Judith Hibbard, Helain Landy, Shoshana Haberman, Jun Zhang, Isabelle Wilkins, Jennifer Bailit, Ware Branch, Ronald Burkman,Vic..., American Journal of Obstetrics & Gynecology, 12/1/2009
• Potential use of serum sflt-1 levels as a marker for preeclampsia in women with acquired or hereditary thrombophilia.
  Smelcer P, Gil K, Hatjis CG, Resident Research Day Presentation, Cleveland OBGYN Society, 5/13/2009
• Potential use of serum sflt-1 levels as a marker for preeclampsia in women with acquired or hereditary thrombophilia.
  Smelcer P, Shah M, Gil K, Hatjis CG, Resident Research Day Presentation, NEOUCOM, 5/1/2009
• Utilization of an Established Telemedicine System to Provide Prenatal Genetic Counseling.
  Obringer A, Forbes M, Barnes J, Budig C, Hatjis C, J of Genetic Counseling, 1/1/2004
• Cytogenetic and FISH analysis in two prenatal cases with half cryptic chromosome rearrangements involving a terminal 2q37 deletion.
  Cheung SW, Lese CM, Smith JL, Kass, DA, Hatjis, CG, Sawyer, JC, Ledbetter, DH, Meeting of the American Society of Human Genetics, San Francisco, CA, 10/1/1999
• Placental "lakes" and anticardiolipin antibodies (ACA).
  Hatjis CG, Graham J, Wheeler S, Gadd J, Reed L, Am J Obstet Gynecol, 1/1/1992
• Uteroplacental doppler flow velocity waveform indices in normal pregnancy: a statistical exercise and the development of appropriate reference values.
  Kofinas AD, Espeland MA, Penry M, Swain M, Hatjis CG, Soc Perin Obstet, 2/1/1990
• 17-Beta estradiol and progesterone systemic treatment of oophorectomized guinea pigs decreases myometrial norepinephrine concentrations and synthesis.
  Hatjis CG, Grogan DM, Koritnik DR, Soc Gynecol Invest, 1/1/1990
• Amniotic fluid atrial natriuretic factor concentrations in normal pregnancy and preeclampsia.
  Hatjis CG, Kofinas AD, Grogan DM, Rose JC, Soc Gynecol Invest, 1/1/1990
• Increased plasma concentrations of atrial natriuretic peptide in toxemic pregnancies.
  Hatjis CG, Kofinas AD, Greelish JP, Swain M, Rose JC, Soc Perin Obstet, 1/1/1989
• Laterality of placental location correlates with the presence of preeclampsia and/or intrauterine growth retardation.
  Kofinas AD, Penry M, Swain M, Hatjis CG, Soc Gynecol Invest, 1/1/1989
• Interrelationship between atrial natriuretic factor (ANF) concentrations and acute volume expansion in pregnant and nonpregnant women.
  Hatjis CG, Kofinas AD, Greelish JP, Swain M, Rose JC, Soc Gynecol Invest, 1/1/1989
• Atrial natriuretic factor concentrations during pregnancy and in the postpartum period.
  Hatjis CG, Kofinas AD, Greelish JP, Swain M, Rose JC, Soc Gynecol Invest, 1/1/1989
• Pregnancy induced changes on guinea pig myometrial beta-adrenoreceptors interaction with l-isoproterenol.
  Hatjis CG, Grogan DM, Soc Gynecol Invest, 1/1/1989
• Intrauterine 17-beta estradiol (E2) interaction with guinea pig myometrial beta-adrenoreceptors.
  Hatjis CG, Grogan DM, Soc Gynecol Invest, 1/1/1989
• Atrial natriuretic peptide receptors in normal human placentas.
  Hatjis CG, Grogan DM, Soc Perinatal Obstetricians, 1/1/1988
• Atrial natriuretic peptide (ANP) dependent guanylate cyclase activity in human placentas from normal and severely toxemic patients.
  Hatjis CG, Bottoms JD, Soc Gynecol Invest, 1/1/1988
• Atrial natriuretic peptide (ANP) receptors in human placentas from normal and severely toxemic patients.
  Hatjis CG, Grogan DM, Soc Gynecol Invest, 1/1/1988
• Atrial natriuretic peptide (ANP) in sheep cotyledons.
  Hatjis CG, Grogan DM, Soc Gynecol Invest, 1/1/1988
• Heterologous regulation of guinea pig myometrial Beta-adrenoreceptors (Beta-AR) by 17-beta-estradiol and progesterone.
  Hatjis CG, Koritnik DR, Crews A, Endocrinology, 1/1/1987
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Lectures

• Morbidity and Mortality Conferences. 
  St. Agnes Hospital - 1/1/2014
• Perinatology/Neonatology Combined Conferences and Case Reviews. 
  MWHC - 10/1/2010
• Antepartum Fetal Testing. 
  SUMMA - 3/12/2010
• Multiple Gestations. 
  AGMC - 5/8/2009
• Hypertensive Disorders in Pregnancy. 
  SUMMA - 7/1/2008
• Fetal Growth Restriction. 
  AGMC - 4/11/2008
• First and Second Trimester Screening for Fetal Chromosomal Abnormalities. 
  Akron, OH - 10/12/2007
• Antepartum Fetal Evaluation. 
  Akron, OH - 7/6/2007
• Prematurity Prevention. 
  Akron, OH - 3/3/2006
• Systems-Based Practice. 
  Charleston, WV - 3/19/2005
• Genetic Sonogram. 
  Charleston, WV - 10/10/2003
• Thrombophilia and Pregnancy. 
  Lexington, KY - 5/13/2003
• Videotaping Obstetric Events. 
  Tucson, AZ - 12/4/1999
• Advances in Prenatal Diagnosis. 
  10/15/1997
• Thrombophilia. 
  St. Agnes HealthCare - 4/16/1997
• Update on Current Use of Ultrasound in High Risk Pregnancy and Fetal Diagnosis. 
  Prince George's Hospital Center - 1/10/1995
• Antiphospholipid Syndrome and Pregnancy. 
  Towson, MD - 10/28/1994
• Placental Lakes and Anticardiolipin Antibodies. 
  Mansfield, OH - 12/1/1992
• Identifying Obstetrical Patients at Risk/High Risk for Maternal/Fetal Problems: Medical/Legal Aspects. 
  Lancaster, OH - 11/1/1992
• Diabetes and Pregnancy. 
  Findlay, OH - 10/11/1991
• Contemporary Management of Preterm Labor. 
  Cleveland, OH - 4/16/1991
• Obstetrical Considerations Regarding Management and Delivery of Premature Baby. 
  OH - 12/12/1990
• New aspects of premature labor: diagnosis and treatment. 
  Euclid, OH - 12/6/1990
• The mechanism and inhibition of premature labor. 
  Royce Hotel, Langhorne, PA - 10/26/1990
• Perinatal Diagnosis: From Preconceptional Counseling to Molecular Genetics. 
  Embassy Suites Hotel, Columbus, OH - 9/10/1990
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