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Baha M. Sibai

Ziad A Haidar, Hind N Moussa, Susan Hosseini Nasab, Baha M Sibai
PURPOSE: To analyze the effect of partial compliance on preterm birth (PTB) prevention among women with previous PTB and receiving 17 alpha-hydroxyprogesterone caproate (17-OHPC). STUDY DESIGN: This is a secondary analysis of a multicenter trial for the prevention of recurrent PTB. Women with prior PTB were randomly assigned between 15 0/7 and 20 3/7 weeks to weekly injections of either 17-OHPC or placebo. Full 100% compliance (group 1) was compared to 40-80% (group 2)...
December 6, 2016: Journal of Maternal-fetal & Neonatal Medicine
Farah H Amro, Hind N Moussa, Olaide A Ashimi, Baha M Sibai
Hypertensive disorders have become increasingly prevalent and complicate an increasing number of pregnancies. Therefore it is essential that the medications used to treat these disorders be well understood. Furthermore the management is complicated by special consideration needed for the physiologic changes of pregnancy as well as the consideration for possible adverse fetal effects. Areas covered: We performed a review of the scientific literature of medications used to treat hypertensive disorders in pregnancy...
October 11, 2016: Expert Opinion on Drug Safety
Ziad A Haidar, Patricia C Vowels, Hind N Moussa, Baha M Sibai
BACKGROUND: Although rare, trauma in pregnancy can cause uterine rupture. In a periviable pregnancy, uterine rupture can lead to premature delivery and significant morbidity. CASE: A 29-year-old woman with four prior CSs presented with uterine rupture and a protruding morbidly adherent placenta at 23+4 weeks of gestation. Since the pregnancy was highly desired, the defect was repaired and the decision made to continue with the pregnancy. The patient presented at 29+3 weeks of gestation with preterm labour and subsequently delivered a healthy male infant of 1130 grams...
August 2016: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
Baha M Sibai, Dwight J Rouse
No abstract text is available yet for this article.
October 2016: Obstetrics and Gynecology
Hind N Moussa, Mateo G Leon, Ana Marti, Alissar Chediak, Claudia Pedroza, Sean C Blackwell, Baha M Sibai
Objective The American Congress of Obstetricians and Gynecologists (ACOG) task force on hypertension in pregnancy introduced a new definition of superimposed preeclampsia (SIP) adding severe features (SF) as new criteria to define severe disease. They also recommended that those with SIP be delivered ≥ 37 weeks, whereas those with SF be delivered ≤ 34 weeks. Our aim was to investigate the validity of this new definition by comparing adverse pregnancy outcomes in SIP with (SIP-SF) and without SF (SIP)...
September 8, 2016: American Journal of Perinatology
John R Barton, Baha M Sibai
No abstract text is available yet for this article.
August 29, 2016: American Journal of Perinatology
Monica Longo, Jerrie S Refuerzo, Lovepreet Mann, Mateo Leon, Hind N Moussa, Baha M Sibai, Sean C Blackwell
BACKGROUND: We previously reported that offspring heterozygous mice partially lacking endothelial nitric oxide synthase (eNOS) gene, and born to hypertensive eNOS(-/-) Knockout mother, are hypertensive. We hypothesized that those offspring when placed on high-fat diet (HFD) will undergo altered metabolic programming increasing their risk for developing metabolic syndrome. METHODS: eNOS(-/-)KO and wild-type mice (eNOS(+/+)WT) were cross-bred to produce heterozygous offspring: maternal heterozygous (Mat, eNOS(-/+)), born from hypertensive eNOS(-/-)KO mothers; and paternal heterozygous (Pat, eNOS(-/+)), born from normotensive WT mothers...
August 26, 2016: American Journal of Hypertension
Oscar A Viteri, Sean C Blackwell, Suneet P Chauhan, Jerrie S Refuerzo, Claudia Pedroza, Ximena C Salazar, Baha M Sibai
OBJECTIVE: To estimate whether antenatal corticosteroids before 34 weeks of gestation are associated with reduced incidence of respiratory distress syndrome (RDS) and composite neonatal morbidity in preterm twins. METHODS: This was a secondary analysis of a multicenter randomized trial for the prevention of preterm birth in multiple gestations. All liveborn, nonanomalous twins delivered between 24 0/7 and 36 6/7 weeks of gestation were included. Neonatal outcomes were compared between women who received antenatal corticosteroids and those who did not...
September 2016: Obstetrics and Gynecology
Robyn P Roberts, Sean C Blackwell, Kelly M Brown, Claudia Pedroza, Baha M Sibai, Jon E Tyson
OBJECTIVE: To investigate whether delayed timing of physician rounds improves patient satisfaction for postpartum women. METHODS: Women were randomized to early (5-7 AM) or delayed (8-10 AM) physician rounding. Women with stillbirth, high-risk pregnancy, or complications precluding delayed rounding were excluded. At discharge, women completed a modified Hospital Consumer Assessment of Healthcare Providers and Systems survey. The primary outcome was rating of the hospital...
August 2016: Obstetrics and Gynecology
Renna Luo, Chen Liu, Serra E Elliott, Wei Wang, Nicholas Parchim, Takayuki Iriyama, Patrick S Daugherty, Lijian Tao, Holger K Eltzschig, Sean C Blackwell, Baha M Sibai, Rodney E Kellems, Yang Xia
BACKGROUND: The pathogenesis of essential hypertension is multifactorial with different underlying mechanisms contributing to disease. We have recently shown that TNF superfamily member 14 LIGHT (an acronym for homologous to lymphotoxins, exhibits inducible expression, and competes with herpes simplex virus glycoprotein D for herpes virus entry mediator, a receptor expressed by T lymphocytes, also known as TNFSF14) induces hypertension when injected into mice. Research reported here was undertaken to examine the role of transglutaminase (TGase) in LIGHT-induced hypertension...
July 2016: Journal of the American Heart Association
Francesca Ferrari, Fabio Facchinetti, Alejandra E Ontiveros, Robyn P Roberts, Mia M Saade, Sean C Blackwell, Baha M Sibai, Jerrie S Refuerzo, Monica Longo
BACKGROUND: Myoinositol and D-chiroinositol improve insulin resistance in women with obesity and gestational diabetes and in postmenopausal women with metabolic syndrome. We previously reported that offspring born to hypertensive dams lacking endothelial nitric oxide synthase and fed a high-fat diet develop metabolic-like syndrome phenotype. OBJECTIVE: The objective of the study was to investigate the effect of a mixture of myoinositol/D-chiroinositol supplementation during pregnancy on the maternal metabolic profile in pregnancies complicated by the metabolic-like syndrome and obesity using a pregnant mouse model...
October 2016: American Journal of Obstetrics and Gynecology
Nana-Ama E Ankumah, Marissa Tsao, Maria Hutchinson, Claudia Pedroza, Jaideep Mehta, Baha M Sibai, Suneet P Chauhan, Sean C Blackwell, Jerrie S Refuerzo
Objective To compare the effectiveness of intravenous acetaminophen with that of morphine in reducing pain in the first stage of labor. Methods An open-label, randomized controlled trial of women ≥ 34 weeks gestation in the first stage of labor, assigned to either intravenous acetaminophen or morphine. The primary outcome was improved analgesia measured by difference of visual analog scale (VAS) score at 120 minutes from baseline. Secondary outcomes were request for rescue analgesia, maternal side effects, and fetal heart rate changes...
May 16, 2016: American Journal of Perinatology
Robyn P Roberts, Jerrie S Refuerzo, Francesca Ferrari, Alejandra E Ontiveros, Esther H Tamayo, Baha M Sibai, Sean C Blackwell, Monica Longo
BACKGROUND: Treatment of nonsevere hypertension during pregnancy is controversial. Sildenafil is a phosphodiesterase inhibitor that potentiates nitric oxide by promoting vasodilation. Nitric oxide plays a vital role in mediating the vascular adaptations during pregnancy. OBJECTIVE: The objective of the study was to determine whether treatment with sildenafil during pregnancy would lower maternal systolic blood pressure without adversely affecting fetal growth. STUDY DESIGN: Females with nonsevere hypertension (endothelial nitric oxide synthase(+/-)) were cross-bred with normotensive wild-type males...
September 2016: American Journal of Obstetrics and Gynecology
Oscar A Viteri, Jenifer Dinis, Tania Roman, Baha M Sibai
Diabetes complicates 6 to 7% of all pregnancies in the United States. Poor glycemic control is associated with multiple immediate and long-term adverse effects on both the mother and fetus. Although uniformity exists in the antenatal management of this disease, there is a paucity of evidence-based studies upon which to dictate the optimal time of delivery among affected women. The potential risks of delayed neonatal pulmonary maturation including respiratory distress syndrome and transient tachypnea of the newborn associated with early delivery must be balanced with the increased incidence of fetal demise, overgrowth, and birth injury related to diabetes in late gestations...
July 2016: American Journal of Perinatology
Jennifer G Hoayek, Hind N Moussa, Hina A Rehman, Susan Hosseini Nasab, Sean C Blackwell, Baha M Sibai
Catastrophic antiphospholipid syndrome (CAPS) is an accelerated form of the antiphospholipid antibody syndrome resulting in multi-organ ischemia and failure. It is a rare and life-threatening condition that can be easily mistaken with hemolysis elevated liver enzymes low platelets syndrome, thrombotic thrombocytopenic purpura, and hemolytic uremic syndrome. In order to make a diagnosis, it is required to have multi-organ thrombosis over 1 week affecting at least three organs or systems, and to have positive antiphospholipid antibody on two occasions (6 weeks apart), and histopathologic confirmation of small vessel occlusion...
December 2016: Journal of Maternal-fetal & Neonatal Medicine
Mateo G Leon, Hind N Moussa, Monica Longo, Claudia Pedroza, Ziad A Haidar, Hector Mendez-Figueroa, Sean C Blackwell, Baha M Sibai
Objective This study aims to determine the rate of gestational diabetes mellitus (GDM) in pregnancies complicated by chronic hypertension and to compare the adverse outcomes in chronic hypertensive pregnancies with and without GDM. Study Design A secondary analysis from a multicenter trial of low-dose aspirin for preeclampsia prevention in women with chronic hypertension. The rate of GDM was evaluated among singleton pregnancies complicated with chronic hypertension and grouped according to their GDM status...
July 2016: American Journal of Perinatology
Nadine El-Asmar, Katia El-Sibai, Ribal Al-Aridi, Warren R Selman, Baha M Arafah
BACKGROUND: Postoperative sellar hematoma can develop following surgery for pituitary tumors and other sellar masses such a Rathke's cleft cyst (RCC) due to continued blood oozing. Though often mild sellar hematoma can create mass effects that might impair pituitary function. AIM: This study summarizes the clinical and biochemical characteristics of sellar hematoma and explores the potential mechanisms for the associated hypopituitarism. PATIENTS AND METHODS: Sellar hematoma was suspected clinically (worsening headaches, visual impairment, and mental status alterations) and confirmed radiographically in 23 patients (18/279 with macroadenomas and in 5/92 with RCC)...
May 2016: European Journal of Endocrinology
Jeffrey D Sperling, Joshua D Dahlke, Baha M Sibai
In 1946, Dr Curtis Mendelson suggested that aspiration during general anesthesia for delivery was avoidable by restricting oral intake during labor. This suggestion proved influential, and restriction of oral intake in labor became the norm. These limitations may contribute to fear and feelings of intimidation among parturients. Modern obstetrics, especially in the setting of advances in obstetric anesthesia, does not mirror the clinical landscape of Mendelson; hence, one is left to question if his findings remain relevant or if they should inform current recommendations...
May 2016: American Journal of Obstetrics and Gynecology
Chen Liu, Renna Luo, Serra E Elliott, Wei Wang, Nicholas F Parchim, Takayuki Iriyama, Patrick S Daugherty, Sean C Blackwell, Baha M Sibai, Rodney E Kellems, Yang Xia
BACKGROUND: Preeclampsia (PE) is a life-threatening hypertensive disorder of pregnancy associated with autoantibodies, termed AT1-AA, that activate the AT1 angiotensin receptor. Although the pathogenic nature of these autoantibodies has been extensively studied, little is known about the molecular cause of their generation. METHODS AND RESULTS: Here we show that tissue transglutaminase (TG2), an enzyme that conducts posttranslational modification of target proteins, directly modified the 7-amino acid (7-aa) epitope peptide that localizes to the second extracellular loop of the AT1 receptor...
December 2015: Journal of the American Heart Association
Ziad A Haidar, Baha M Sibai, Jiri D Sonek, Shamili Sammohi, David S Mckenna, William C Grunwald, David R Cool
OBJECTIVE: To analyze the amount of surfactant protein (SP)-B and lecithin/sphingomyelin (L/S) ratio in response to betamethasone (BMS) alone as compared with magnesium sulfate (Mg(2+)), indomethacin (Indo), and nifedipine (Nif) with or without BMS. STUDY DESIGN: NCI-H441 human lung cells were grown and distributed into eight plates. BMS and tocolytics were added and the final plates were: control, BMS only, and each tocolytic ± BMS. Cells were stained with SP-B antibodies and relative fluorescence was measured...
December 2015: American Journal of Perinatology
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