Search Results - "Westengard, J C"

Population variability in the effect of aspirin on platelet function. Implications for clinical trials and therapy by Pappas, J M, Westengard, J C, Bull, B S

“…Little or nothing is known about how the inhibitory effect of aspirin on platelets distributes in the general population. We describe a simple whole-blood…”
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Band neutrophil counts are unnecessary for the diagnosis of infection in patients with normal total leukocyte counts by Ardron, M J, Westengard, J C, Dutcher, T F

“…The authors have assessed the clinical value of an "accurate" band count as a correlate to infection in 33 patients with a culture proven bacterial infection…”
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The international normalized ratio (INR): hope for an uncertain result by Smith, D C, Westengard, J C, Bull, B S

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Calibration and validation for erythrocyte sedimentation tests. Role of the International Committee on Standardization in Hematology reference procedure by Thomas, R D, Westengard, J C, Hay, K L, Bull, B S

“…The Westergren erythrocyte sedimentation rate (ESR) has been used for many years without any formal procedure for method validation or for quality assurance…”
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Platelet involvement in the activated coagulation time of heparinized blood by MOOREHEAD, M. T, WESTENGARD, J. C, BULL, B. S

“…The activated coagulation time (ACT), commonly used during cardiopulmonary bypass (CPB), is assumed to measure only differences in heparin levels. Studies were…”
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Measurement of MCV by Bull, B S, Westengard, J C

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Does tube diameter influence the packed cell volume? by Karlow, M A, Westengard, J C, Bull, B S

“…The relationship between observed PCV and PCV tube diameter was investigated and it was found that the PCV decreased as the PCV tube diameter decreased. An…”
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Efficacy of tests used to monitor rheumatoid arthritis by Bull, B S, Westengard, J C, Farr, M, Bacon, P A, Meyer, P J, Stuart, J

“…The relative efficacy of clinical and laboratory tests used to monitor disease activity in rheumatoid arthritis was determined by consensus analysis in a study…”
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The Effectiveness of the Clinical Self-Assessment (MHAQ) Compared with Other Clinical and Laboratory Tests Used to Monitor the Activity of Rheumatoid Arthritis by Consensus Analysis by Finley, J Michael, Colburn, Keith K, Putnoky, Gilbert J, Westengard, James C, Bull, Brian S

“…Disease activity in rheumatoid arthritis (RA) is difficult to measure objectively. Both clinical and laboratory measures were evaluated by the statistical…”
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A technique for estimating the probability of clots in blood/contrast agent mixtures by Engelhart, J A, Smith, D C, Maloney, M D, Westengard, J C, Bull, B S

“…Blood that contaminates the contrast agent syringe during angiography may clot and is thus a potential source of emboli. The older, high-osmolality agents…”
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Ranking of laboratory tests by consensus analysis by Bull, B S, Levy, W C, Westengard, J C, Farr, M, Smith, P F, Apperley, J F, Bacon, P A, Stuart, J

“…A new analytical technique (consensus analysis) was devised to assess the performance of laboratory tests that are commonly used to monitor the acute and…”
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Guide wire traversal test: retrospective study of results with fibrinolytic therapy by Smith, D C, McCormick, M J, Jensen, D A, Westengard, J C

“…The validity of the guide wire traversal test as a predictor of the outcome of selective fibrinolytic infusion therapy was investigated. A retrospective…”
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Heparin supplementation of nonionic contrast agents by Massee, D R, Smith, D C, Westengard, J C, Bull, B S

“…Diatrizoate has been widely used clinically for many years and has been effective in inhibiting clot formation in catheters and syringes. The authors attempted…”
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Consensus analysis by Gollin, S

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Use of angiographic needles with or without stylets: pathologic assessment of vessel walls after puncture by Frood, L R, Smith, D C, Pappas, J M, Elvin, P K, Westengard, J C, Saukel, G W

“…There is controversy as to whether angiographic needles without stylets produce more arterial damage than those with stylets. Iliac arteries from 15 fresh…”
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Effects of angiographic needle size and subsequent catheter insertion on arterial walls. An in vitro experiment in human cadavers by Smith, D C, Hamlin, J A, Jensen, D A, Pappas, J M, Westengard, J C, Saukel, G W

“…It is widely believed that down-sizing catheters, and possibly needles, will decrease damage to the entry vessel in the performance of angiography. The…”
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