User profiles for "author:Joyce Wahr"

Joyce A Wahr

University of Minnesota
Verified email at umn.edu
Cited by 3881

Near-infrared spectroscopy: theory and applications

JA Wahr, KK Tremper, S Samra, DT Delpy - Journal of cardiothoracic and …, 1996 - Elsevier
In conclusion, NIRS appears to offer both a new monitoring modality and new information
about cerebral oxygenation. Technical problems in the application of this technology persist …

Patient safety in the cardiac operating room: human factors and teamwork: a scientific statement from the American Heart Association

JA Wahr, RL Prager, JH Abernathy Iii, EA Martinez… - Circulation, 2013 - Am Heart Assoc
Breakdowns in teamwork that lead to surgical flow or operative disruptions are exceedingly
common, having been noted at a rate of 17.4 per hour in one cardiac surgery study19 and at …

Preoperative serum potassium levels and perioperative outcomes in cardiac surgery patients

JA Wahr, R Parks, D Boisvert, M Comunale, J Fabian… - Jama, 1999 - jamanetwork.com
ContextAlthough potassium is critical for normal electrophysiology, the association between
abnormal preoperative serum potassium level and perioperative adverse events such as …

[HTML][HTML] Polymerized bovine hemoglobin solution as a replacement for allogeneic red blood cell transfusion after cardiac surgery: results of a randomized, double …

JH Levy, LT Goodnough, PE Greilich, GVS Parr… - The Journal of Thoracic …, 2002 - Elsevier
Background: Blood loss leading to reduced oxygen-carrying capacity is usually treated with
red blood cell transfusions. This study examined the hypothesis that a hemoglobin-based …

The use of bovine hemoglobin glutamer-250 (HemopureŽ) in surgical patients: results of a multicenter, randomized, single-blinded trial

J Sprung, JD Kindscher, JA Wahr, JH Levy… - Anesthesia & …, 2002 - journals.lww.com
Abstract Hemoglobin-based oxygen carrier-201 (HBOC-201, hemoglobin glutamer-250
[bovine], HemopureŽ; Biopure Corporation, Cambridge, MA) is polymerized hemoglobin of …

The PROXIMAL trial: proximal protection during saphenous vein graft intervention using the Proxis Embolic Protection System: a randomized, prospective, multicenter …

L Mauri, D Cox, J Hermiller, J Massaro, J Wahr… - Journal of the American …, 2007 - jacc.org
Objectives: To determine if outcomes could be further improved, we investigated an embolic
protection device placed proximal to the target lesion that could provide protection before …

[HTML][HTML] A guide for pre-procedural imaging for transcatheter aortic valve replacement patients

TE Perry, SA George, B Lee, J Wahr, D Randle… - Perioperative …, 2020 - Springer
Safe and accurate pre-procedural assessment of cardiovascular anatomy, physiology, and
pathophysiology prior to TAVR procedures can mean the difference between success and …

Improved protamine-sensitive membrane electrode for monitoring heparin concentrations in whole blood via protamine titration§

N Ramamurthy, N Baliga, JA Wahr, U Schaller… - Clinical …, 1998 - academic.oup.com
An improved protamine-sensitive electrode based on a polymeric membrane doped with the
charged ion exchanger dinonylnaphthalenesulfonate (DNNS) is used for monitoring heparin …

Reducing unnecessary cross-matching: a patient-specific blood ordering system is more accurate in predicting who will receive a blood transfusion than the maximum …

T Palmer, JA Wahr, M O'Reilly… - Anesthesia & …, 2003 - journals.lww.com
Most blood transfusions are given in the operating room. Adoption of the Maximum Surgical
Blood Ordering Schedule in the 1970s reduced the amount of blood unnecessarily cross …

Improving the thromboresistivity of chemical sensors via nitric oxide release: fabrication and in vivo evaluation of NO-releasing oxygen-sensing catheters

MH Schoenfisch, KA Mowery, MV Rader… - Analytical …, 2000 - ACS Publications
The development and in vivo analytical performance of a nitric oxide (NO)-releasing
amperometric oxygen sensor with greatly enhanced thromboresistivity are reported. Gas …