Professional Summary
Education & Certifications
- Masters of Science (MS), Stanford University School of Medicine, Epidemiology and Clinical Research (2023)
- Board Certification: American Board of Anesthesiology, Anesthesia (2019)
- Internship: Stanford University Internal Medicine Residency (2013) CA
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- Fellowship: Stanford University Anesthesiology Fellowships (2018) CA
- Residency: Stanford University Anesthesiology Residency (2016) CA
- Medical Education: University of California at San Francisco School of Medicine (2012) CA
Publications
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Pharmacokinetics and Pharmacodynamics of Drugs Commonly Used in Pregnancy and Parturition.
Ansari, J., Carvalho, B., Shafer, S. L., & Flood, P. (2016). Pharmacokinetics and Pharmacodynamics of Drugs Commonly Used in Pregnancy and Parturition. Anesthesia and Analgesia, 122(3), 786–804. -
Transesophageal Echocardiographic Observation of Caval Thrombus Followed by Intraoperative Placement of Inferior Vena Cava Filter for Presumed Pulmonary Embolism During Cesarean Hysterectomy for Placenta Percreta: A Case Report.
Nanji, J. A., Ansari, J. R., Yurashevich, M., Ismawan, J. M., Lyell, D. J., Karam, A. K., … Riley, E. T. (2018). Transesophageal Echocardiographic Observation of Caval Thrombus Followed by Intraoperative Placement of Inferior Vena Cava Filter for Presumed Pulmonary Embolism During Cesarean Hysterectomy for Placenta Percreta: A Case Report. A&A Practice. -
Transesophageal Echocardiographic Observation of Caval Thrombus Followed by Intraoperative Placement of Inferior Vena Cava Filter for Presumed Pulmonary Embolism During Cesarean Hysterectomy for Placenta Percreta: A Case Report
Nanji, J. A., Ansari, J. R., Yurashevich, M., Ismawan, J. M., Lyell, D. J., Karam, A. K., … Riley, E. T. (2019). Transesophageal Echocardiographic Observation of Caval Thrombus Followed by Intraoperative Placement of Inferior Vena Cava Filter for Presumed Pulmonary Embolism During Cesarean Hysterectomy for Placenta Percreta: A Case Report. A & A PRACTICE, 12(2), 37–40. -
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Confounders Not General Anesthesia Likely Explain Greater Postpartum Depression.
Ansari, J., Carvalho, B., Weiniger, C. F., & Riley, E. T. (2020). Confounders Not General Anesthesia Likely Explain Greater Postpartum Depression. Anesthesia and Analgesia, 131(6), e248–e250. -
Management of brain tumors presenting in pregnancy: a case series and systematic review
Rodrigues, A. (2021). Management of brain tumors presenting in pregnancy: a case series and systematic review. Management of Brain Tumors Presenting in Pregnancy: a Case Series and Systematic Review, 3(1). -
Postpartum headaches after epidural or spinal anesthesia.
Joudi, N., & Ansari, J. (2021). Postpartum headaches after epidural or spinal anesthesia. Current Opinion in Obstetrics & Gynecology, 33(2), 94–99. -
Superficial Cervical Plexus Block for Awake Large-Bore Central Line Placement in Parturients: A Case Series.
Sheikh, M., Carvalho, B., Boublik, J., & Ansari, J. (2021). Superficial Cervical Plexus Block for Awake Large-Bore Central Line Placement in Parturients: A Case Series. A&A Practice, 15(3), e01429. -
Bicuspid Aortic Valve and Ascending Aortic Aneurysm in a Twin Pregnancy.
Bryant, E., Tsai, S., Levin, E., Fleischman, D., Ansari, J., Fischbein, M., … Khandelwal, A. (2020). Bicuspid Aortic Valve and Ascending Aortic Aneurysm in a Twin Pregnancy. JACC. Case Reports, 2(1), 96–100. -
A Bun in the Oven How to Use TIVA in Obstetrics
Flood, P., & Ansari, J. (2020). A Bun in the Oven How to Use TIVA in Obstetrics. TAKING ON TIVA: DEBUNKING MYTHS AND DISPELLING MISUNDERSTANDINGS, 139–145. -
Chronic disabling postpartum headache after unintentional dural puncture during epidural anaesthesia: a prospective cohort study.
Ansari, J. R., Barad, M., Shafer, S., & Flood, P. (2021). Chronic disabling postpartum headache after unintentional dural puncture during epidural anaesthesia: a prospective cohort study. British Journal of Anaesthesia, 127(4), 600–607. -
Did she have an epidural? The long-term consequences of postdural puncture headache and the role of unintended dural puncture.
Barad, M., Carroll, I., Reina, M. A., Ansari, J., & Flood, P. (2021). Did she have an epidural? The long-term consequences of postdural puncture headache and the role of unintended dural puncture. Headache. -
Ampicillin Pharmacokinetics in Peripartum and Laboring Women.
Judy, A. E., Frymoyer, A., Ansari, J., Drover, D. R., & Carvalho, B. (2021). Ampicillin Pharmacokinetics in Peripartum and Laboring Women. American Journal of Perinatology. -
Uterine atony.
Miller, H. E., & Ansari, J. R. (1800). Uterine atony. Current Opinion in Obstetrics & Gynecology. -
Calcium chloride for the prevention of uterine atony during cesarean delivery: A pilot randomized controlled trial and pharmacokinetic study.
Ansari, J. R., Kalariya, N., Carvalho, B., Flood, P., Guo, N., & Riley, E. (2022). Calcium chloride for the prevention of uterine atony during cesarean delivery: A pilot randomized controlled trial and pharmacokinetic study. Journal of Clinical Anesthesia, 80, 110796. -
Expert Consensus Regarding Core Outcomes for Enhanced Recovery after Cesarean Delivery Studies: A Delphi study.
Sultan, P., George, R., Weiniger, C. F., El-Boghdadly, K., Pandal, P., & Carvalho, B. (2022). Expert Consensus Regarding Core Outcomes for Enhanced Recovery after Cesarean Delivery Studies: A Delphi study. Anesthesiology. -
Hospital-level variation in rates of postpartum hemorrhage in California.
Davis, R., Guo, N., Bentley, J., Sie, L., Ansari, J., Bateman, B., … Butwick, A. J. (2022). Hospital-level variation in rates of postpartum hemorrhage in California. Transfusion. -
Clinical factors associated with a positive postpartum depression screen in people with cardiac disease during pregnancy.
Panelli, D. M., Sherwin, E. B., Lee, C. J., Leonard, S. A., Miller, S. E., Miller, H. E., … Bianco, K. (2022). Clinical factors associated with a positive postpartum depression screen in people with cardiac disease during pregnancy. Current Research in Psychiatry, 2(2), 25–29. -
Anesthetic Considerations for Second-Trimester Surgical Abortions.
Ozery, E., Ansari, J., Kaur, S., Shaw, K. A., & Henkel, A. (2022). Anesthetic Considerations for Second-Trimester Surgical Abortions. Anesthesia and Analgesia. -
Outpatient Treatment With Gabapentin in Women With Severe Acute Pain After Cesarean Delivery Is Ineffective: A Randomized, Double-Blind, Placebo-Controlled Trial.
Fowler, C., Chu, A. W., Guo, N., Ansari, J. R., Shafer, S. L., & Flood, P. D. (2023). Outpatient Treatment With Gabapentin in Women With Severe Acute Pain After Cesarean Delivery Is Ineffective: A Randomized, Double-Blind, Placebo-Controlled Trial. Anesthesia and Analgesia. -
Predicting Placenta Accreta Spectrum Disorder: Are We There Yet?
Ansari, J. R., & Butwick, A. J. (2023). Predicting Placenta Accreta Spectrum Disorder: Are We There Yet? Anesthesia and Analgesia, 137(3), 534–536. -
Consensus Practice Guidelines on Postdural Puncture Headache From a Multisociety, International Working Group: A Summary Report.
Uppal, V., Russell, R., Sondekoppam, R., Ansari, J., Baber, Z., Chen, Y., … Narouze, S. (2023). Consensus Practice Guidelines on Postdural Puncture Headache From a Multisociety, International Working Group: A Summary Report. JAMA Network Open, 6(8), e2325387. -
Evidence-based clinical practice guidelines on postdural puncture headache: a consensus report from a multisociety international working group.
Uppal, V., Russell, R., Sondekoppam, R. V., Ansari, J., Baber, Z., Chen, Y., … Narouze, S. (2023). Evidence-based clinical practice guidelines on postdural puncture headache: a consensus report from a multisociety international working group. Regional Anesthesia and Pain Medicine. -
Transient Receptor Potential Vanilloid 4 Channel Blockade Decreases Contractility of the Pregnant Human Myometrium
Ying, L., Fornes, D., Obiyo, L. T., Ansari, J., Alvira, C. M., & Cornfield, D. N. (2023). Transient Receptor Potential Vanilloid 4 Channel Blockade Decreases Contractility of the Pregnant Human Myometrium. REPRODUCTIVE SCIENCES. SPRINGER HEIDELBERG. -
Preterm Birth Doubles in a Cardiac Affected Population: The Added Factor of Maternal Depression
Beshar, I. E., Panelli, D., Lee, C. J., Dominguez, L. V., Padron, E., Ramirez, N. J., … Bianco, K. (2023). Preterm Birth Doubles in a Cardiac Affected Population: The Added Factor of Maternal Depression. REPRODUCTIVE SCIENCES. SPRINGER HEIDELBERG. -
ROLE OF TRPV4 IN MODULATING CALCIUM SIGNALING PATHWAYS IN NON-LABORING PREGNANT WOMEN: IMPLICATIONS FOR MYOMETRIAL CONTRACTILITY AND PRETERM LABOR MANAGEMENT
Fornes, D., Ying, L., Ansari, J., Obiyo, L., Alvira, C., & Cornfield, D. (2023). ROLE OF TRPV4 IN MODULATING CALCIUM SIGNALING PATHWAYS IN NON-LABORING PREGNANT WOMEN: IMPLICATIONS FOR MYOMETRIAL CONTRACTILITY AND PRETERM LABOR MANAGEMENT. PLACENTA. W B SAUNDERS CO LTD. -
Intravenous Calcium to Decrease Blood Loss During Intrapartum Cesarean Delivery: A Randomized Controlled Trial.
Ansari, J. R., Yarmosh, A., Michel, G., Lyell, D., Hedlin, H., Cornfield, D. N., … Bateman, B. T. (2023). Intravenous Calcium to Decrease Blood Loss During Intrapartum Cesarean Delivery: A Randomized Controlled Trial. Obstetrics and Gynecology. -
Variation in Hospital Neuraxial Labor Analgesia Rates in California.
Parameshwar, P., Guo, N., Bentley, J., Main, E., Singer, S. J., Peden, C. J., … Butwick, A. J. (2024). Variation in Hospital Neuraxial Labor Analgesia Rates in California. Anesthesiology. -
Bioequivalence and pharmacokinetics of intravenous calcium during cesarean delivery.
Ansari, J. R., Conti, D. J., Michel, G., Yarmosh, A., Cole, N. M., & Shafer, S. L. (2024). Bioequivalence and pharmacokinetics of intravenous calcium during cesarean delivery. Anesthesiology. -
Intracellular Calcium Response to Oxytocin in Uterine Smooth Muscle Cells From Patients With Uterine Atony.
Ansari, J. R., Fornes, D., Obiyo, L. T., Michel, G., & Cornfield, D. N. (2024). Intracellular Calcium Response to Oxytocin in Uterine Smooth Muscle Cells From Patients With Uterine Atony. Anesthesia and Analgesia. -
miR-203 modulates pregnant myometrium contractility via transient receptor potential vanilloid 4 channel expression.
Ying, L., Fornes, D. D., Dobberfuhl, A. D., Ansari, J. R., Alvira, C. M., & Cornfield, D. N. (2024). miR-203 modulates pregnant myometrium contractility via transient receptor potential vanilloid 4 channel expression. FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology, 38(22), e70173. -
Uterine tone numeric rating score as an early indicator of major postpartum hemorrhage during cesarean delivery: A prospective observational study.
Koons, N. J., Stanwyck, C., Xie, J. J., Michel, G., Lyell, D. J., Carvalho, B., … Ansari, J. R. (2025). Uterine tone numeric rating score as an early indicator of major postpartum hemorrhage during cesarean delivery: A prospective observational study. Anesthesiology. -
Development and Validation of the Stanford Obstetric Recovery Checklist (STORK): A Delphi Consensus and Multicenter Clinical Validation Study.
Sultan, P., Pandal, P., Murthy, A., Guo, N., Farber, M. K., Toledo, P., … Carvalho, B. (2025). Development and Validation of the Stanford Obstetric Recovery Checklist (STORK): A Delphi Consensus and Multicenter Clinical Validation Study. JAMA Network Open, 8(4), e255713. -
Method of anaesthesia impact on total operating room time for second-trimester procedural abortion.
Kaur, S., Ansari, J., Traynor, A. J., Blumenthal, P. D., & Henkel, A. (2025). Method of anaesthesia impact on total operating room time for second-trimester procedural abortion. BMJ Sexual & Reproductive Health. -
A Single Nuclear and Spatial Transcriptomic Atlas of the Contractile and Atonic Gravid Human Uterus Reveals Two Distinct Smooth Muscle Cell Populations
Ansari, J., Fornes, D., Knutsen, C., Yang, L., Michel, G., Kum, A., … Cornfield, D. (2025). A Single Nuclear and Spatial Transcriptomic Atlas of the Contractile and Atonic Gravid Human Uterus Reveals Two Distinct Smooth Muscle Cell Populations. REPRODUCTIVE SCIENCES. SPRINGER HEIDELBERG. -
Transient Receptor Potential Vanilloid 4 (TRPV4) Channel Mediates Oxytocin-Induced Uterine Contractility
Fornes, D., Ansari, J., Michel, G., Alvira, C., & Cornfield, D. (2025). Transient Receptor Potential Vanilloid 4 (TRPV4) Channel Mediates Oxytocin-Induced Uterine Contractility. REPRODUCTIVE SCIENCES. SPRINGER HEIDELBERG. -
TRANSCRIPTOMIC ANALYSIS OF THE HUMAN UTERUS IN PRETERM LABOR VERSUS PRETERM NON-LABORING REVEALS IMMUNE AND REGULATORY SIGNATURES
Fornes, D., Ansari, J., Michel, G., & Cornfield, D. (2025). TRANSCRIPTOMIC ANALYSIS OF THE HUMAN UTERUS IN PRETERM LABOR VERSUS PRETERM NON-LABORING REVEALS IMMUNE AND REGULATORY SIGNATURES. PLACENTA. W B SAUNDERS CO LTD. -
In the gravid human uterus, oxytocin induces smooth muscle cell contraction via transient receptor potential vanilloid 4 channel activation.
Fornes, D., Ansari, J. R., Michel, G., Alvira, C. M., & Cornfield, D. N. (2026). In the gravid human uterus, oxytocin induces smooth muscle cell contraction via transient receptor potential vanilloid 4 channel activation. The Journal of Physiology. -
Double dural puncture epidural; once is more than enough.
Karkri, F., Carvalho, B., Riley, E. T., & Ansari, J. R. (2026). Double dural puncture epidural; once is more than enough. European Journal of Anaesthesiology, 43(4), 365–367. -
Methylergonovine Use and Risk of Severe Range Blood Pressure Among Patients with Chronic Hypertension
Leggett, C., Sherwin, E., Leonard, S., Ansari, J., Abir, G., Lyell, D., … Minor, K. (2026). Methylergonovine Use and Risk of Severe Range Blood Pressure Among Patients with Chronic Hypertension. REPRODUCTIVE SCIENCES. SPRINGER HEIDELBERG. -
TRPV4-mediated calcium signaling in human uterine endothelial and smooth muscle cells
Fornes, D., Ansari, J., Michel, G., & Cornfield, D. (2026). TRPV4-mediated calcium signaling in human uterine endothelial and smooth muscle cells. REPRODUCTIVE SCIENCES. SPRINGER HEIDELBERG.
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Confounders Not General Anesthesia Likely Explain Greater Postpartum Depression.
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