• 4465 Citations
  • 33 h-Index
19962019
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Research Output 1996 2019

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Letter
2018
1 Citation (Scopus)

Translational Research on Evaluation of Pediatric Cardiopulmonary Bypass Oxygenators

Undar, A., Jan 1 2018, In : Artificial organs. 42, 1, 1 p.

Research output: Contribution to journalLetter

Oxygenators
Pediatrics
Hemodynamics
2017
2 Citations (Scopus)
Pediatrics
Cardiovascular System
Perfusion
2015
2 Citations (Scopus)

Is it safe to conduct CPB procedures without arterial filters in neonatal and pediatric patients?

Undar, A., Wang, S., Palanzo, D. & Baer, L. D., Jan 1 2015, In : Perfusion (United Kingdom). 30, 2, p. 172-173 2 p.

Research output: Contribution to journalLetter

Extracorporeal Membrane Oxygenation
Pediatrics
Congenital Heart Defects
Cardiopulmonary Bypass
2013
9 Citations (Scopus)

Impact of Polymethylpentene Oxygenators on Outcomes of All Extracorporeal Life Support Patients in the United States

Undar, A., Wang, S. & Palanzo, D. A., Dec 1 2013, In : Artificial Organs. 37, 12, p. 1080-1081 2 p.

Research output: Contribution to journalLetter

Device Approval
Oxygenators
Membrane Oxygenators
Equipment Failure
Artificial Membranes
4 Citations (Scopus)
Membrane Oxygenators
Pediatrics
Translational Medical Research
Cardiopulmonary Bypass
1 Citation (Scopus)
Artificial Organs
Artificial organs
Pediatric Intensive Care Units
Pediatrics
Extracorporeal Circulation
2012
2 Citations (Scopus)

Welcome to the 8th International Conference on Pediatric Mechanical Circulatory Support Systems & Pediatric Cardiopulmonary Perfusion

Undar, A., Akçevin, A., Pauliks, L. B., Palanzo, D., Durandy, Y. & Myers, J., May 2012, In : Artificial Organs. 36, 5, p. 460-462 3 p.

Research output: Contribution to journalLetter

Pediatrics
Heart-Assist Devices
Cardiovascular System
Perfusion
Newborn Infant
2011
1 Citation (Scopus)

An in vitro comparison of the ability of three commonly used pediatric cardiopulmonary bypass circuits to filter gaseous microemboli

Feng Qiu, Q., Talor, J. & Undar, A., Mar 1 2011, In : Perfusion. 26, 2, p. 167-168 2 p.

Research output: Contribution to journalLetter

Embolic Protection Devices
Air Embolism
Pediatrics
Cardiopulmonary Bypass
Networks (circuits)
2010

Response: Evaluation of Quadrox-i® adult hollow fiber oxygenator with integrated arterial filter

Guan, Y., Su, X., McCoach, R., Wise, R., Kunselman, A. & Undar, A., Sep 1 2010, In : Journal of Extra-Corporeal Technology. 42, 3, 1 p.

Research output: Contribution to journalLetter

Oxygenators
2007
1 Citation (Scopus)
Cardioplegic Solutions
Pulsatile Flow
Coronary Circulation
Pressure
2005
1 Citation (Scopus)

Arterial pressure and pump flow rate during long-term pulsatile and nonpulsatile cardiac support [3] (multiple letters)

Undar, A., Myers, J., Klotz, S. & Schmid, C., Jan 1 2005, In : Annals of Thoracic Surgery. 79, 3, p. 1093-1094 2 p.

Research output: Contribution to journalLetter

Arterial Pressure
6 Citations (Scopus)

Part 1: Principles of research on pulsatile and nonpulsatile perfusion during chronic support [2] (multiple letters)

Undar, A., Rosenberg, G., Myers, J., Kadipasaoglu, K. A. & Tuzun, E., May 1 2005, In : ASAIO Journal. 51, 3, p. 303-306 4 p.

Research output: Contribution to journalLetter

Counterpulsation
Pulsatile Flow
Pulsatile flow
Heart-Assist Devices
Left Ventricular Function
1 Citation (Scopus)

Part 2: Principles of research on pulsatile and nonpulsatile perfusion [3]

Undar, A., Rosenberg, G. & Myers, J., May 1 2005, In : ASAIO Journal. 51, 3, p. 307-308 2 p.

Research output: Contribution to journalLetter

Pulsatile Flow
Research
2004
3 Citations (Scopus)

Controversy over the benefits of pulsatile perfusion (multiple letters) [1]

Undar, A., Herreros, J., Berjano, E. J., Más, P., Padrós, C., Sales-Nebot, L., Vlaanderen, W., Díaz, P., Páramo, J. A., Rábago, G. & Mercé, S., Jun 2004, In : International Journal of Artificial Organs. 27, 6, p. 509-512 4 p.

Research output: Contribution to journalLetter

Pulsatile Flow
Pulsatile flow
Extracorporeal Circulation
Centrifugation
Blood pressure
4 Citations (Scopus)
Pulsatile flow
4 Citations (Scopus)

Impact of pulsatile flow on microcirculation [1]

Undar, A., Rosenberg, G. & Myers, J., Nov 1 2004, In : ASAIO Journal. 50, 6, p. 624-625 2 p.

Research output: Contribution to journalLetter

Artificial heart
Microcirculation
Artificial Heart
Pulsatile Flow
Pulsatile flow
2003
20 Citations (Scopus)

Energy Equivalent Pressure Formula is for Precise Quantification of Different Perfusion Modes [5]

Undar, A., Jan 1 2003, In : Annals of Thoracic Surgery. 76, 5, p. 1777-1778 2 p.

Research output: Contribution to journalLetter

Perfusion
Pressure
7 Citations (Scopus)

Fundamentals of pulsatile versus nonpulsatile flow during chronic support

Undar, A., Jan 1 2003, In : ASAIO Journal. 49, 1, p. 139-140 2 p.

Research output: Contribution to journalLetter

Pulsatile flow
2 Citations (Scopus)

Quantification of arterial pressure and pump-flow waveforms for pulsatile- and continuous-flow devices during chronic support [2] (multiple letters)

Undar, A., Fraser, C. D., Potapov, E. V. & Hetzer, R., Jun 1 2003, In : Journal of Heart and Lung Transplantation. 22, 6, p. 706-707 2 p.

Research output: Contribution to journalLetter

Chronic Brain Damage
Pulsatile Flow
Heart-Assist Devices
Calcium-Binding Proteins
S100 Proteins
6 Citations (Scopus)
Pulsatile Flow
Heart-Assist Devices
Observer Variation
Extracorporeal Circulation
Clinical Protocols
2002
1 Citation (Scopus)

Precise quantification of pulsatile flow [3] (multiple letters)

Undar, A., Koudieh, M. S., Fraser, C. D., Nakano, T. & Tominaga, R., Jan 1 2002, In : Annals of Thoracic Surgery. 73, 4, p. 1358-1359 2 p.

Research output: Contribution to journalLetter

Pulsatile Flow
9 Citations (Scopus)

The alphabet of research on pulsatile and nonpulsatile (continuous flow) perfusion during chronic support [1] (multiple letters)

Undar, A., Fraser, C. D., Nishinaka, T., Tatsumi, E., Taenaka, Y. & Takano, H., Sep 23 2002, In : Artificial organs. 26, 9, p. 812-815 4 p.

Research output: Contribution to journalLetter

Left Heart Bypass
Equipment Design
Pulsatile Flow
Pulsatile flow
Animals
2001
2 Citations (Scopus)
Pulsatile Flow
Pulsatile flow
Blood pressure
Terminology
Coronary Artery Bypass

Effects of reduced pulse pressure on the cerebral metabolism during prolonged, nonpulsatile left heart bypass

Undar, A. & Fraser, C. D., Jan 1 2001, In : Artificial organs. 25, 1, p. 72-73 2 p.

Research output: Contribution to journalLetter

Pulsatile flow
Metabolism
Brain
Animals
1 Citation (Scopus)

Influence of pulsatile and nonpulsatile left heart bypass on the hormonal circadian rhythm (multiple letters)

Undar, A., Nishinaka, T., Tatsumi, E., Taenaka, Y., Takano, H., Konayagi, H. & Fraser, J., Jan 1 2001, In : ASAIO Journal. 47, 3, p. 305-307 3 p.

Research output: Contribution to journalLetter

Left Heart Bypass
Circadian Rhythm
2000
3 Citations (Scopus)
Pulsatile Flow
Cardiopulmonary Bypass
Brain
5 Citations (Scopus)

Physiology of nonpulsatile circulation: Acute versus chronic support

Undar, A. & Fraser, J., Jan 1 2000, In : ASAIO Journal. 46, 1, 1 p.

Research output: Contribution to journalLetter

Physiology
2 Citations (Scopus)

Recent advances in paediatric cardiopulmonary bypass (multiple letters)

Undar, A. & Fraser, C. D., Jan 1 2000, In : Perfusion. 15, 3, p. 261-262 2 p.

Research output: Contribution to journalLetter

Pulsatile Flow
Pulsatile flow
Pediatrics
Preschool Children
preschool child
1999
3 Citations (Scopus)

Comparison of pH-stat and alpha-stat cardiopulmonary bypass on cerebral oxygenation and blood flow in relation to hypothermic circulatory arrest in piglets [6] (multiple letters)

Undar, A., Andropoulos, D. B., Fraser, J., Kurth, C. D., O'Rourke, M. M. & O'Hara, I. B., Mar 15 1999, In : Anesthesiology. 90, 3, p. 926-927 2 p.

Research output: Contribution to journalLetter

Cerebrovascular Circulation
Induced Hypothermia
Cardiopulmonary Bypass
Swine
Oxygen
1998
2 Citations (Scopus)

Comparison of pulsatile versus nonpulsatile perfusion on the postcardiopulmonary bypass aortic-radial artery pressure gradient [2] (multiple letters)

Undar, A., Johnson, S. B., Calhoon, J. H. & Badner, N. H., Jan 1 1998, In : Journal of cardiothoracic and vascular anesthesia. 12, 3, p. 376-377 2 p.

Research output: Contribution to journalLetter

Radial Artery
Perfusion
Pressure

Influence of membrane oxygenators on the pulsatile flow in extracorporeal circuits: An experimental analysis

Undar, A. & Fraser, J., Dec 1 1998, In : International Journal of Artificial Organs. 21, 11, p. 714-715 2 p.

Research output: Contribution to journalLetter

Oxygenators
Pulsatile flow
Animals
Membranes
Networks (circuits)
5 Citations (Scopus)

Stockert roller pump generated pulsatile flow: Cerebral metabolic changes in adult cardiopulmonary bypass [1]

Undar, A. & Calhoon, J. H., 1998, In : Perfusion. 13, 3, p. 215-216 2 p.

Research output: Contribution to journalLetter

Cerebrovascular Circulation
Equipment Design
Induced Hypothermia
Pulsatile Flow
Extracorporeal Circulation
3 Citations (Scopus)

Temperature during cardiopulmonary bypass for coronary artery operations does not influence postoperative cognitive function: A prospective, randomized trial (multiple letters) [2]

Undar, A., Helfrich, C. M., Johnson, S. B., Calhoon, J. H., Plourde, G., De Verennes, B. & Morin, J. E., Mar 12 1998, In : Journal of Thoracic and Cardiovascular Surgery. 115, 2, p. 482-484 3 p.

Research output: Contribution to journalLetter

7 Citations (Scopus)

The relation between pump flow rate and pulsatility on cerebral hemodynamics during pediatric cardiopulmonary bypass [1] (multiple letters)

Undar, A., Fraser, J., Kirkham, F. J., Chow, G., Robert, I. G., Edwards, A. D., Lloyd-Thomas, A. & Elliott, M. J., Jan 1 1998, In : Journal of Thoracic and Cardiovascular Surgery. 116, 3, p. 530-531 2 p.

Research output: Contribution to journalLetter

Cardiopulmonary Bypass
Hemodynamics
Pediatrics