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排序方式: 共有161条查询结果,搜索用时 15 毫秒
1.
R. H. Bahar H. M. Abdel Dayem M. Mohammed M. Simo G. Ziada C. Costantinides A. R. Suhali 《European journal of nuclear medicine and molecular imaging》1987,12(11):542-545
Pulmonary hypertension (PH) produces strain followed by hypertrophy and later dilatation of the right ventricle (RV) and pulmonary artery. The signs and symptoms are nonspecific. There is a need for a noninvasive sensitive way to diagnose PH. The purpose of this study is to evaluate phase abnormalities in radionuclide MUGA studies of patients with referred diagnosis of PH. In a retrospective analysis of 44 patients who had a radionuclide multigated study (MUGA) and contrast ventriculography (CV), 19 had high mean pulmonary pressure (over 20 mmHg) and a high pulmonary vascular resistance index (over 2.0). In 15 patients, a delayed phase segment in the RV corresponding to the pulmonary infundibulum and pulmonary conus was noted The Pulmonary Tongue sign (PT), 12 had PH (True positive) and 3 did not (false positive) on CV. No PT was seen in the remaining 29 patients, only 7 of them had PH (False negative). The sensitivity, specificity and accuracy of the PT sign in detecting PH was 80%, 72% and 77% respectively. The number of patients was too small to calculate the correlation of the grade of PT with the severity of PH. We conclude that The Pulmonary Tongue sign on a MUGA study is clinically useful in detecting PH.This project is supported by research project MLNO13 and funded by research Council, Kuwait University 相似文献
2.
Travis R. Sexton Eric L. Wallace Amy Chen Richard J. Charnigo Hassan K. Reda Khaled M. Ziada John C. Gurley Susan S. Smyth 《Journal of thrombosis and thrombolysis》2016,41(3):384-393
Transcatheter aortic valve replacement (TAVR) has been increasingly used to treat patients with symptomatic aortic stenosis. Despite improvements in valve deployment, patients that have undergone TAVR are at high risk for major adverse events following the procedure. Blood cell numbers, platelet function, and biomarkers of systemic inflammation were analyzed in 58 patients undergoing TAVR with the Edward’s SAPIEN valve. Following valve deployment, platelet count and agonist-induced platelet activity declined and plasma markers of systemic inflammation (interleukin-6 and S100A8/A9) increased. Baseline platelet activity prior to TAVR correlated with perioperative changes plasma interleukin-6 levels. Moreover, perioperative changes in plasma inflammatory markers predicted the decline in platelet count in the days following the TAVR procedure. Additionally, a significant effect of gender on platelet count following TAVR and was observed. Finally, post-procedural mortality was associated with sustained thrombocytopenia after TAVR. Our findings suggest that TAVR elicits a thromboinflammatory state that may contribute to post-procedural thrombocytopenia. Importantly, our results add to the growing body of literature that suggests the thromboinflammatory changes that occur early after TAVR may predict long-term outcomes. 相似文献
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Burke FM Allen PF McConnell RJ Ziada HM O'Sullivan K 《The European journal of prosthodontics and restorative dentistry》2007,15(3):104-107
The objective of this study was to analyse pattern of referral to Restorative Dentistry Consultation Clinics in a Dental Teaching Hospital. Patient demographic details and referral information were collected on new patient clinics. The majority of patients were female (62.1%). The greatest proportion of patients, 41.6%, was referred from the adjacent urban area. The highest percentage of referrals was from general practitioners, (37.6%). The main referral reasons were periodontal (24.7%), fixed prosthodontics (18.6%), endodontics (10.7%) and removable prosthodontics (8.3%). The study clearly showed that the majority of patients referred were female and from close proximity to the Hospital. Patients were referred for a broad range of restorative reasons. 相似文献
6.
Adventitial hematoma triggering coronary spasm during percutaneous coronary intervention 总被引:1,自引:0,他引:1
During percutaneous coronary intervention of the left anterior descending coronary artery, a lumen narrowing was observed proximal to the stent just deployed. Intravascular ultrasound showed a hematoma localized outside the trilaminar wall structure in absence of a dissection flap or evidence of compression of the lumen. The luminal narrowing resolved after intracoronary administration of vasodilators. This finding is compatible with a coronary spasm triggered by an adventitial hematoma following stent deployment. 相似文献
7.
Arterial access site and outcomes in patients undergoing percutaneous coronary intervention with and without vorapaxar
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Jean‐Pierre Déry MD MHS Kenneth W. Mahaffey MD Pierluigi Tricoci MD PhD Harvey D. White DSC Mohua Podder PhD Cynthia M. Westerhout PhD David J. Moliterno MD Robert A. Harrington MD Edmond Chen MD John Strony MD Frans Van de Werf MD Khaled M. Ziada MD Claes Held MD PhD Philip E. Aylward MD Paul W. Armstrong MD Sunil V. Rao MD 《Catheterization and cardiovascular interventions》2016,88(2):163-173
8.
S ummary . During the last 4 years 36 Sudanese patients with various hereditary bleeding disorders have been seen in the University Pathology Department. The ratio of von Willebrand's disease to haemophilia (10:18) is higher than expected. The report includes also a family with factor-V deficiency and three patients with functional platelet defect. The results suggest a higher incidence of these diseases in subjects of Arab as compared to Negroid ancestry. 相似文献
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Berkalp B Badak O Schoenhagen P Ziada KM Whitlow PL Nissen SE Tuzcu EM 《The American journal of cardiology》2003,91(10):1269-1272