Professor of Pediatrics, UCSF
Neonat/Perinatology
Dr. Ronald I. Clyman, MD
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Dr. Ronald I. Clyman is an expert in the field of Neonat/Perinatology. He studied medicine at Columbia University College of Physicians & Surgeons. Columbia University College of Physicians & Surgeons is a top medical college. Columbia University College of Physicians & Surgeons is ranked 8/52 in Research/PrimaryCare. He received awards:"Regional Top Doctor" and "Super Doctor". Ronald Clyman is also published. He has 100 publications published. The lastest publication: "Factors determining reopening of the ductus arteriosus after successful clinical closure with indomethacin.'
Publications
- Effects of Advancing Gestation and Non-Caucasian Race on Ductus Arteriosus Gene Expression.
- Catecholamine-resistant hypotension and myocardial performance following patent ductus arteriosus ligation.
- Managing the patent ductus arteriosus: current treatment options.
- Hypotension following Patent Ductus Arteriosus Ligation: The Role of Adrenal Hormones.
- Superior Mesenteric Artery Blood Flow Velocities following Medical Treatment of a Patent Ductus Arteriosus.
- Obstetricians' Attitudes and Beliefs Regarding Umbilical Cord Clamping.
- The role of patent ductus arteriosus and its treatments in the development of bronchopulmonary dysplasia.
- Enteral Feeding during Indomethacin and Ibuprofen Treatment of a Patent Ductus Arteriosus.
- Dopamine-Resistant Hypotension and Severe Retinopathy of Prematurity.
- Surgical Ligation of the Patent Ductus Arteriosus: Treatment or Morbidity?
- Neurodevelopmental Outcomes Following Two Different Treatment Approaches (Early Ligation and Selective Ligation) for Patent Ductus Arteriosus.
- Patent ductus arteriosus: are current neonatal treatment options better or worse than no treatment at all?
- Can cytokines predict which ELBW infants are at risk for cerebral palsy?
- Anatomic Closure of the Premature Patent Ductus Arteriosus: The Role of CD14+/CD163+ Mononuclear Cells and Vascular Endothelial Growth Factor (VEGF) in Neointimal Moun...
- Patent ductus arteriosus ligation alters pulmonary gene expression in preterm baboons.
- Patterns of gene expression in the ductus arteriosus are related to environmental and genetic risk factors for persistent ductus patency.
- Ibuprofen treatment for closure of patent ductus arteriosus is not associated with increased risk of neuropathology.
- Feeding practices and patent ductus arteriosus ligation preferences-are they related?
- Early surgical ligation versus a conservative approach for management of patent ductus arteriosus that fails to close after indomethacin treatment.
- Chronic in utero cyclooxygenase inhibition alters PGE2-regulated ductus arteriosus contractile pathways and prevents postnatal closure.
- Postnatal estradiol up-regulates lung nitric oxide synthases and improves lung function in bronchopulmonary dysplasia.
- Oxygen-induced tension in the sheep ductus arteriosus: effects of gestation on potassium and calcium channel regulation.
- Effects of a patent ductus arteriosus on postprandial mesenteric perfusion in premature baboons.
- Expression, activity, and function of phosphodiesterases in the mature and immature ductus arteriosus.
- Transcriptional regulation during development of the ductus arteriosus.
- Ibuprofen-induced patent ductus arteriosus closure: physiologic, histologic, and biochemical effects on the premature lung.
- Ductus arteriosus ligation and alveolar growth in preterm baboons with a patent ductus arteriosus.
- Risk factors for persistent ductus arteriosus patency during indomethacin treatment.
- Calcium-dependent and calcium-sensitizing pathways in the mature and immature ductus arteriosus.
- The effects of caffeine on the preterm sheep ductus arteriosus.
- Patent ductus arteriosus and its treatment as risk factors for neonatal and neurodevelopmental morbidity.
- Patent ductus arteriosus: evidence for and against treatment.
- Indomethacin prophylaxis for preterm infants: the impact of 2 multicentered randomized controlled trials on clinical practice.
- Inhibition of cyclooxygenase isoforms in late- but not midgestation decreases contractility of the ductus arteriosus and prevents postnatal closure in mice.
- Enhancement of angiogenic effectors through hypoxia-inducible factor in preterm primate lung in vivo.
- Improved lung growth and function through hypoxia-inducible factor in primate chronic lung disease of prematurity.
- Prolonged indomethacin exposure is associated with decreased white matter injury detected with magnetic resonance imaging in premature newborns at 24 to 28 weeks' gest...
- Postnatal constriction, ATP depletion, and cell death in the mature and immature ductus arteriosus.
- Combined treatment with a nonselective nitric oxide synthase inhibitor (l-NMMA) and indomethacin increases ductus constriction in extremely premature newborns.
- Activation of hypoxia-inducible factors in hyperoxia through prolyl 4-hydroxylase blockade in cells and explants of primate lung.
- ATP depletion and cell death in the neonatal lamb ductus arteriosus.
- The role of monocyte-derived cells and inflammation in baboon ductus arteriosus remodeling.
- Intracellular-specific colocalization of prostaglandin E2 synthases and cyclooxygenases in the brain.
- Prostaglandin E2--mediated relaxation of the ductus arteriosus: effects of gestational age on g protein-coupled receptor expression, signaling, and vasomotor control.
- Developmental regulation of prostaglandin E2 synthase in porcine ductus arteriosus.
- Persistent Doppler flow predicts lack of response to multiple courses of indomethacin in premature infants with recurrent patent ductus arteriosus.
- Effects of hypoxia, hypoglycemia, and muscle shortening on cell death in the sheep ductus arteriosus.
- Factors associated with permanent closure of the ductus arteriosus: a role for prolonged indomethacin therapy.
- Vasa vasorum hypoperfusion is responsible for medial hypoxia and anatomic remodeling in the newborn lamb ductus arteriosus.
- In utero indomethacin alters O2 delivery to the fetal ductus arteriosus: implications for postnatal patency.
- VEGF regulates remodeling during permanent anatomic closure of the ductus arteriosus.
- Preliminary observations on the behavior of children present at the birth of a sibling.
- Human microvascular endothelial cells use beta 1 and beta 3 integrin receptor complexes to attach to laminin.
- Visual acuity development in normal and abnormal preterm human infants.
- Developmental follow-up of hyperventilated neonates: preliminary observations.
- The role of the patent ductus arteriosus in respiratory distress syndrome.
- Factors determining reopening of the ductus arteriosus after successful clinical closure with indomethacin.
- Parental attitudes regarding interviews about injuries to their children.
- Follow-up families who experience a perinatal death.
- How useful are B-type natriuretic peptide measurements for monitoring changes in patent ductus arteriosus shunt magnitude?
- Patent ductus arteriosus increases lung fluid filtration in preterm lambs.
- Relationship between circulating platelet counts and ductus arteriosus patency after indomethacin treatment.
- Oxygen-saturation targets and outcomes in extremely preterm infants.
- Effect of ductus ligation on cardiopulmonary function in premature baboons.
- Increased indomethacin dosing for persistent patent ductus arteriosus in preterm infants: a multicenter, randomized, controlled trial.
- A randomized, double-blind, placebo-controlled trial on intravenous ibuprofen L-lysine for the early closure of nonsymptomatic patent ductus arteriosus within 72 hours...
- Developmental and neuropathological consequences of ductal ligation in the preterm baboon.
- Vessel remodeling in the newborn: platelets fill the gap.
- The role of patent ductus arteriosus ligation in bronchopulmonary dysplasia: reexamining a randomized controlled trial.
- Mechanisms regulating the ductus arteriosus.
- Renal effects of cyclooxygenase-2 inhibition in fetal lambs.
- Transforming growth factor beta 1 inhibits fetal lamb ductus arteriosus smooth muscle cell migration.
- Glucocorticoids alter the sensitivity of the lamb ductus arteriosus to prostaglandin E2.
- Prenatal administration of betamethasone for prevention of patient ductus arteriosus.
- Circulating prostaglandin E2 concentrations and incidence of patent ductus arteriosus in preterm infants with respiratory distress syndrome.
- Control of oxygenation during the transport of sick neonates.
- Does oxygen regulate prostaglandin-induced relaxation in the lamb ductus arteriosus?
- Does a belief in a 'just world' affect health care providers' reactions to perinatal illness?
- Issues concerning parents after the death of their newborn.
- Role of circulating prostaglandin E2 in regulation of the ductus arteriosus.
- When to treat the patent ductus arteriosus with indomethacin in very-low-birth-weight infants.
- Nucleic acid deficiency in the prothanic homozygous mutant of creeper fowl.
- Thromboxane is not responsible for the high pulmonary vascular resistance in fetal lambs.
- Does indomethacin cause extension of intracranial hemorrhages: a preliminary study.
- Persistent responsiveness of the neonatal ductus arteriosus in immature lambs: a possible cause for reopening of patent ductus arteriosus after indomethacin-induced cl...
- Effects of a protein-free, synthetic surfactant on survival and pulmonary function in preterm lambs.
- How a patent ductus arteriosus effects the premature lamb's ability to handle additional volume loads.
- Indomethacin therapy for patent ductus arteriosus: when is prophylaxis not prophylactic?
- Cardiovascular effects of patent ductus arteriosus in preterm lambs with respiratory distress.
- Risk factor analysis of intraventricular hemorrhage in low-birth-weight infants.
- Effect of gestational age on pulmonary metabolism of prostaglandin E1 & E2.
- Pharmacology of the ductus arteriosus.
- Ontogeny and regulation of corticosteroid binding globulin capacity in plasma of fetal and newborn lambs.
- Prophylactic indomethacin therapy for patent ductus arteriosus in very-low-birth-weight infants.
- Ontogeny of the ductus arteriosus response to prostaglandins and inhibitors of their synthesis.
- Ductus arteriosus: developmental response to endogenous prostaglandins, oxygen, and indomethacin.
- Age-dependent sensitivity of the lamb ductus arteriosus to indomethacin and prostaglandins.
- Increased shunt through the patent ductus arteriosus after surfactant replacement therapy.
- Effects of antenatal glucocorticoid administration on ductus arteriosus of preterm lambs.
Schools
Columbia University College of Physicians And Surgeons
University Calif
Doctors Specialties
- Neonatal Medicine
- Neonat/Perinatology
Accepted Insurances
Awards
- Regional Top Doctor
- Super Doctor
Education
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UCSF -
Columbia University College of Physicians & Surgeons
Hospital
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San Francisco General Hospital and Trauma Center -
UCSF Medical Center
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