Aymen Alian, MD, MBChB, MSc, MBBCh
Associate Professor of AnesthesiologyCards
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Division Chief, Obstetric & Gynecological Anesthesiology
Contact Info
Anesthesiology a
PO Box 208051, 333 Cedar Street, TMP 3
New Haven, CT 06520-8051
United States
Are You a Patient?
View this doctor's clinical profile on the Yale Medicine website for information about the services we offer and making an appointment.
View Doctor ProfileAdditional Titles
Division Chief, Obstetric & Gynecological Anesthesiology
Contact Info
Anesthesiology a
PO Box 208051, 333 Cedar Street, TMP 3
New Haven, CT 06520-8051
United States
Are You a Patient?
View this doctor's clinical profile on the Yale Medicine website for information about the services we offer and making an appointment.
View Doctor ProfileAdditional Titles
Division Chief, Obstetric & Gynecological Anesthesiology
Contact Info
Anesthesiology a
PO Box 208051, 333 Cedar Street, TMP 3
New Haven, CT 06520-8051
United States
About
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Titles
Associate Professor of Anesthesiology
Division Chief, Obstetric & Gynecological Anesthesiology
Biography
Dr. Alian is an Associate Professor of Anesthesiology, board certified anesthesiologist, clinical researcher and interim Division Chief for Obstetrics & Gynecologic Anesthesiology. Dr. Alian is a nationally recognized educator and has received several Faculty Awards of Excellence in education and mentorship. His clinical research is dedicated to the investigation of cardiopulmonary and autonomic physiology through the use of non-invasive monitors. Ongoing studies in Dr. Alian’s laboratory focuses on pulse oximetry and cerebral oximetry waveforms as sensitive biomarkers of central hypovolemia during anesthesia-surgery.
Appointments
Anesthesiology a
Associate Professor on TermPrimary
Other Departments & Organizations
- All Institutions
- Ambulatory Anesthesiology
- Anesthesiology a
- Obstetric & Gynecological Anesthesiology
- Yale Medicine
- Yale New Haven Health System
- Yale Ventures
Education & Training
- Resident
- Yale-New Haven Hospital (2008)
- Residency
- Yale New Haven Hospital (2008)
- Intern
- Griffin Hospital (2005)
- Internship
- Griffin Hospital (2005)
- MBChB
- Zagazig University (1991)
Research
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Overview
Medical Research Interests
ORCID
0000-0002-4810-8155
Research at a Glance
Yale Co-Authors
Publications Timeline
Kirk Shelley, MD, PhD
Kristen L. Fardelmann, MD
Antonio Gonzalez-Fiol, MD
Katherine Kohari, MD, FACOG
Lissa Sugeng, MD, MPH
Nils Petersen, MD, PhD, MSc
Publications
2025
Spinal Sonography for Ultrasound-Guided Lumbar Neuraxial Anesthesia.
Gonzalez Fiol A, Pawan F, Alian A. Spinal Sonography for Ultrasound-Guided Lumbar Neuraxial Anesthesia. Journal Of Visualized Experiments 2025 PMID: 39960192, DOI: 10.3791/66901.Peer-Reviewed Original ResearchMeSH Keywords and ConceptsConceptsSpine anatomyNeuraxial anesthesiaEpidural spaceCases of difficult anatomyLumbar spine anatomyNeuraxial ultrasonographyPreprocedural ultrasonographyNeuraxial techniquesSpinal sonographyDifficult anatomyRegular practiceAbnormal anatomyPalpation techniqueTraumatic procedureRegional anesthesiaUltrasonographyNeedle puncturePatientsSuccess rateAnesthesiaUltrasound techniqueAnatomyPractical tipsPalpationSeries of videosVital signs-based healthcare kiosks for screening chronic and infectious diseases: a systematic review
Bhutani S, Alian A, Fletcher R, Bomberg H, Eichenberger U, Menon C, Elgendi M. Vital signs-based healthcare kiosks for screening chronic and infectious diseases: a systematic review. Communications Medicine 2025, 5: 28. PMID: 39837977, PMCID: PMC11751283, DOI: 10.1038/s43856-025-00738-5.Peer-Reviewed Original ResearchAltmetricConceptsHealth kiosksHealthcare systemParticipant selectionUser experience evaluationResearch-to-practice gapOvercrowded emergency roomsDisease detectionHealthcare accessData reportingHealthcare deliveryStaff shortagesVital signsCardiovascular disease detectionResearch-to-practiceBackgroundIncreasing demandConclusionsThis reviewMeasure vital signsResultsThe findingsIEEE XploreGoogle Scholar databasesExperience evaluationSystematic reviewInclusion criteriaUser demographicsSystematic searchChapter 20 Postoperative pain management for cesarean delivery
Fiol A, McGuire P, Fardelmann K, Alian A. Chapter 20 Postoperative pain management for cesarean delivery. 2025, 213-221. DOI: 10.1016/b978-0-443-21707-4.00020-3.Peer-Reviewed Original Research
2024
Photoplethysmography Features Correlated with Blood Pressure Changes
Elgendi M, Jost E, Alian A, Fletcher R, Bomberg H, Eichenberger U, Menon C. Photoplethysmography Features Correlated with Blood Pressure Changes. Diagnostics 2024, 14: 2309. PMID: 39451632, PMCID: PMC11506471, DOI: 10.3390/diagnostics14202309.Peer-Reviewed Original ResearchCitationsConceptsTemporal domain featuresBlood pressure estimationPPG featuresBlood pressure predictionDomain featuresWearable devicesPhotoplethysmography signalsAcceleration photoplethysmogramPPG signalsPressure estimationPressure predictionPhotoplethysmography's featuresPhotoplethysmographyPredictor of systolic blood pressurePostpartum Blood Pressure Variability and Heart Rate Variability in Preeclampsia
van Wingerden A, Katsidoniotaki M, Haghighi N, Almonte C, Martinez H, Valdes E, Castro P, Alian A, Booker W, Bello N, Marshall R, Kougioumtzoglou I, Petersen N, Miller E. Postpartum Blood Pressure Variability and Heart Rate Variability in Preeclampsia. Hypertension 2024, 81: 2510-2519. PMID: 39403810, PMCID: PMC11578794, DOI: 10.1161/hypertensionaha.124.23321.Peer-Reviewed Original ResearchCitationsAltmetricConceptsBlood pressure variabilityChronic hypertensionHeart rate variabilitySuperimposed preeclampsiaBlood pressurePressure variabilityProspective cohort of womenTime-domain heart rate variabilityAssociated with autonomic dysregulationCohort of womenRatio of heart rate variabilityHigh blood pressure variabilityRate variabilityPreeclampsia groupLow-/high-frequency ratioPostpartum patientsPostpartum controlsPreeclampsiaRR interval differencesProspective cohortHigh-frequency heart rate variabilityAutonomic dysregulationPostpartum womenFinger plethysmographyWeeks postpartumGraph connection Laplacian allows for enhanced outcomes of consumer camera based photoplethysmography imaging
Borik S, Wu H, Shelley K, Alian A. Graph connection Laplacian allows for enhanced outcomes of consumer camera based photoplethysmography imaging. Biomedical Signal Processing And Control 2024, 96: 106574. DOI: 10.1016/j.bspc.2024.106574.Peer-Reviewed Original ResearchRenal and Hepatic Pathophysiology of Pregnancy
Su B, Lee J, Alian A, Calvert J. Renal and Hepatic Pathophysiology of Pregnancy. 2024, 67-72. DOI: 10.1007/978-3-031-62756-9_9.Peer-Reviewed Original ResearchCitationsConceptsRisk of gallbladder diseasePathophysiology of pregnancyAntidiuretic hormone secretionUrinary tract infectionRenin-angiotensin-aldosterone systemDecreased blood urea nitrogenGlomerular filtration rateRenal plasma flowLactic dehydrogenase levelsSerum creatinine concentrationBlood urea nitrogenIncreased serum concentrationsGamma-glutamyl transpeptidaseAlbumin to globulin ratioProtein-bound drugsCreatinine clearanceTract infectionsGallbladder diseaseHigher total proteinDehydrogenase levelsGlucose excretionFiltration rateHormone secretionSerum concentrationsSerum transferasesRecommendations for evaluating photoplethysmography-based algorithms for blood pressure assessment
Elgendi M, Haugg F, Fletcher R, Allen J, Shin H, Alian A, Menon C. Recommendations for evaluating photoplethysmography-based algorithms for blood pressure assessment. Communications Medicine 2024, 4: 140. PMID: 38997447, PMCID: PMC11245506, DOI: 10.1038/s43856-024-00555-2.Peer-Reviewed Original ResearchCitations
2023
A Prospective Cohort Study to Evaluate Needle Passes Using a Portable Ultrasound Device versus Traditional Landmark Approach for Epidural Anesthesia in a Busy Obstetric Tertiary Care Center
Fiol A, Rodriguez P, Zhao X, Gaiser R, Herrera A, Alian A. A Prospective Cohort Study to Evaluate Needle Passes Using a Portable Ultrasound Device versus Traditional Landmark Approach for Epidural Anesthesia in a Busy Obstetric Tertiary Care Center. POCUS Journal 2023, 8: 153-158. PMID: 38099155, PMCID: PMC10721287, DOI: 10.24908/pocus.v8i2.16298.Peer-Reviewed Original ResearchCitationsAltmetricConceptsAssessment of changes in blood volume during lower body negative pressure-induced hypovolemia using bioelectrical impedance analysis
Anakmeteeprugsa S, Gonzalez-Fiol A, Vychodil R, Shelley K, Alian A. Assessment of changes in blood volume during lower body negative pressure-induced hypovolemia using bioelectrical impedance analysis. Journal Of Clinical Monitoring And Computing 2023, 38: 293-299. PMID: 37966562, DOI: 10.1007/s10877-023-01098-y.Peer-Reviewed Original ResearchCitationsAltmetricConceptsEstimated blood lossBioelectrical impedance analysisBlood lossHealthy volunteersBlood volumeProspective observational studyBody negative pressureSignificant increaseT-testStudent's t-testAcute hemorrhageLBNP protocolLower extremitiesObservational studyHypovolemiaLBNPCompensatory mechanismsPercentage changeReciprocal changesSignificant decreaseBioimpedanceBaselineSignificant correlationMmHgP-value
Clinical Care
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Overview
Aymen Alian, MBChB (a medical degree awarded outside the U.S.), is an anesthesiologist who specializes in obstetric and gynecological anesthesiology.
Dr. Alian is an associate professor of anesthesiology at Yale School of Medicine and interim division chief for obstetrics and gynecologic anesthesiology. He studies cardiopulmonary and autonomic physiology and uses non-invasive monitors to detect central hypovolemia, a condition where there is decreased blood volume in the central circulatory system, during surgical procedures. Dr. Alian earned his medical degree from Zagazig University in Egypt. He completed his residency in anesthesiology at Yale New Haven Hospital and an internship at Griffin Hospital.
Clinical Specialties
Fact Sheets
Pain Management for C-Sections
Learn More on Yale Medicine
Board Certifications
Anesthesiology
- Certification Organization
- AB of Anesthesiology
- Original Certification Date
- 2009
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Contacts
Anesthesiology a
PO Box 208051, 333 Cedar Street, TMP 3
New Haven, CT 06520-8051
United States
Locations
Patient Care Locations
Are You a Patient? View this doctor's clinical profile on the Yale Medicine website for information about the services we offer and making an appointment.