Zobrazeno 1 - 10
of 22
pro vyhledávání: '"John Y. C. Tsang"'
Publikováno v:
Clinical Medicine Insights: Circulatory, Respiratory and Pulmonary Medicine, Vol 2 (2008)
Previous studies reported that the degree of hypoxemia following acute pulmonary thromboembolism (APTE) was highly variable and that its mechanism was mainly due to the creation of many high and low ventilation/perfusion (V/Q) units, as a result of t
Externí odkaz:
https://doaj.org/article/07317352edd34fa6a364da44cad23474
Autor:
Wayne J. E. Lamm, John Y. C. Tsang
Publikováno v:
Pulmonary Circulation
We aimed to investigate the role of endothelin-mediated vasoconstriction following acute pulmonary thromboembolism (APTE). Thirteen anesthetized piglets (~25 kg) were ventilated with 0 PEEP. Cardiac output (Qt) and wedge pressure (Pw) were measured b
Publikováno v:
Journal of Applied Physiology. 98:1862-1868
We studied the spatial distribution of the abnormal ventilation-perfusion (V̇a/Q̇) units in a porcine model of acute pulmonary thromboembolism (APTE), using the fluorescent microsphere (FMS) technique. Four piglets (∼22 kg) were anesthetized and
Autor:
Terry J. Opgenorth, Jerry L. Wessale, Verreault M, John Y. C. Tsang, Arco Y. Jeng, Cernacek P, André Blouin, Bruno Battistini, Ayach B
Publikováno v:
Journal of Cardiovascular Pharmacology. 44:S386-S389
A rat model of acute pulmonary air embolism (APAE) was developed. These animals had a higher right ventricular systolic pressure (RVSP) (+ 69% at 15-minute peak, and 21-34% at 30-180 minutes), as well as a reduced mean arterial blood pressure (10-20%
Publikováno v:
Respiratory Physiology & Neurobiology. 138:97-106
Acute pulmonary air embolism (APAE) was induced in nine piglets by repeated intravenous bolus injection of room air into a large bore central venous catheter at time=0 min so that the mean pulmonary artery pressure (MPAP) was maintained at two times
Autor:
Bilal Ayach, Fu-Hou Wang, André Blouin, Terry J. Opgenorth, Bruno Battistini, John Y. C. Tsang, Jinshyun R. Wu-Wong, Jerry L. Wessale, Arco Y. Jeng, Mélanie Gosselin
Publikováno v:
Clinical Science. 103:371S-375S
Acute pulmonary air embolism (APAE) injures the vascular endothelium in the lung and results in pulmonary hypertension (PH). Endothelins (ETs), a family of potent vasoactive peptides, are known to be associated with PH of various aetiologies. We eval
Autor:
John Y. C. Tsang
Publikováno v:
Journal of Pulmonary & Respiratory Medicine.
Previous investigators reported that gas exchange consistently worsened when cardiac output (Qt) was increased under normal and pathological conditions. The aim of the present paper is to offer an alternative explanation, besides the one previously p
Publikováno v:
Journal of Applied Physiology. 88:705-712
By using the multiple-breath helium washout technique, ventilation heterogeneity (V˙H) after embolic injury in the lung can be quantitatively partitioned into the conductive and acinar components. Total V˙H, represented by the normalized slope of t
Publikováno v:
Journal of Cardiovascular Pharmacology. 36:S221-S224
The purpose of this investigation was to study the role of endothelins (ETs) in the pathogenesis of acute pulmonary thromboembolism (PTE). Eighteen piglets (20 +/- 3 kg) were anesthetized and ventilated with 100% oxygen, five of them then served as c
Autor:
John Y. C. Tsang, Frank Ryan
Publikováno v:
Canadian Respiratory Journal, Vol 6, Iss 4, Pp 361-366 (1999)
Injury to the diaphragm following blunt or penetrating thoraco-abdominal trauma is not uncommon. Recognition of this important complication of trauma continues to be a challenge because of the lack of specific clinical and plain radiographic features