estimation of left ventricular fillingpressures in special populations
Recommendations for the Evaluation of Left Ventricular Diastolic Function by Echocardiography
... factors extrinsic and intrinsic to the left ventricle determine these end-diastolic properties Extrinsic factors are mainly pericardial restraint and ventricular interaction Intrinsic factors include ... evaluation and interpretation of intraventricular filling in clinical practice is complicated by the multitude of variables that determine intraventricular flow Not only driving pressure, inertial forces, ... Its clinical value in distinguishing normal from pseudonormal mitral in ow has diminished since the introduction of tissue Doppler recordings of the mitral annulus to assess the status of LV...
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Báo cáo y học: "A neonate with left pulmonary artery thrombosis and left lung hypoplasia: a case report" pps
... angiography showing a filling defect in the lumen of the left pulmonary artery (LPA) consistent with LPA thrombosis of a thrombus (Figure 3) In addition, large collateral vessels originated from ... vessels originating from the aorta and supplying the left lung were previously described with LPA thrombosis at birth and clinical evidence of PPHN [4,12] No reported cases were found of infants ... lung maturation in utero and might be the main reason for LPA thrombosis and left pulmonary hypoplasia in this baby Review of the embryology of the pulmonary vessels indicates that, in this patient,...
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Báo cáo y học: " A neonate with left pulmonary artery thrombosis and left lung hypoplasia: a case report" pot
... angiography showing a filling defect in the lumen of the left pulmonary artery (LPA) consistent with LPA thrombosis of a thrombus (Figure 3) In addition, large collateral vessels originated from ... vessels originating from the aorta and supplying the left lung were previously described with LPA thrombosis at birth and clinical evidence of PPHN [4,12] No reported cases were found of infants ... lung maturation in utero and might be the main reason for LPA thrombosis and left pulmonary hypoplasia in this baby Review of the embryology of the pulmonary vessels indicates that, in this patient,...
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Báo cáo y học: "Role of chymase in cigarette smoke-induced pulmonary artery remodeling and pulmonary hypertension in hamsters" doc
... the decrease of Ang I One unit (U) of activity was defined as the amount of enzyme producing ng Ang I decrease per The activity not inhibited in the presence of lisinopril, aprotinin and EDTA ... chymostatin administration significantly reduced the smokeinduced increase in chymase activity but had no effect on ACE activity, suggesting that chymostatin was mainly acting through the inhibition of ... Up-regulation of chymase expression in smoke-exposed lungs To determine whether chymase is involved in cigarette smoking-induced pulmonary artery remodeling and PAH, chymase protein and mRNA levels in the...
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Báo cáo y học: "Acute pressure overload of the right ventricle. Comparison of two models of right-left shunt. Pulmonary artery to left atrium and right atrium to left atrium: experimental study" doc
... shunts in a porcine model Page of 10 external jugular vein which was surgically dissected; a right side arterial line was inserted under direct vision by a small incision in the groin, and in the left ... concerning the percentage change from baseline to 10 minute of the pCO2 of the left atrium variable (p = 0.016) and the percentage change from baseline to 20 minute of the pCO2 of the left atrium ... pressure (MAP) < 2/3 of the beginning], an initial > 1/3 increase of systolic right ventricular pressure (RVP) and a depressed cardiac output (< 2/3 of the baseline) Additionally, right ventricular function...
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báo cáo khoa học: "Anomalous origin of the left coronary artery from the pulmonary artery associated with an accessory atrioventricular pathway and managed successfully with surgical and interventional electrophysiological treatment: a case report" docx
... such as feeding or crying, but further increases in myocardial oxygen demand lead to infarction of the anterolateral left ventricular free wall, with resultant compromise of left ventricular ... normalization of heart rate In our patient, the initial cause was not immediately obvious The occurrence of SVT in infancy is well known, but to the best of our knowledge the combination of ALCAPA ... suspicion of probable ALCAPA was raised after his third echocardiographic examination and was confirmed by a CT scan The left coronary artery originated from the leftward-facing sinus of the pulmonary...
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Báo cáo y học: " Response of pulmonary artery intimal sarcoma to surgery, radiotherapy and chemotherapy: a case report" docx
... and seeding of emboli [1,2] Intimal sarcoma is a rare tumor, and the incidence of PA intimal sarcoma is almost twice that of sarcomas of aortic origin It mainly occurs in adults within the age ... discharged Figure spindle cells Pathological findings of surgical specimen show abundant Pathological findings of surgical specimen show abundant spindle cells Hematoxylin and eosin stain ×100 Thirteen ... gender variation in the incidence of aortic intimal sarcoma The mean age of patients diagnosed with PA intimal sarcoma is 48 years, while the mean age of patients at diagnosis of aortic intimal sarcoma...
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Báo cáo y học: " Endothelial cell apoptosis in chronically obstructed and reperfused pulmonary artery" pps
... leading to endothelial damage Our results indicating overexpression of pro-apoptotic proteins, including Thsp-1 and PAI-1, prompted us to investigate the effects of a nonselective inhibitor of ... (Sigma, Saint-Quentin Fallavier, France) Then, ECs in the proximal and distal PA were counted in a blinded fashion by two investigators working independently from each other, and the proportion of ECs ... values (Figure 5B) Effect of pentoxifylline Injecting pentoxifylline immediately before reperfusion resulted in a significant decrease in the proportion of apoptotic ECs in the distal PA, from 46.4...
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Báo cáo y học: " Phosphodiesterase type 4 expression and anti-proliferative effects in human pulmonary artery smooth muscle cells" docx
... interaction is perhaps not surprising given the critical role of the cAMP-protein kinase A signalling pathway in regulating the expression, activity and intracellular localization of PDE4 isoforms ... min, gels were stained in 0.25% Coomassie blue for 1–2 h and destained in fixing/destain solution until bands of activity were clearly visible The presence of MMP activity was confirmed by inhibition ... attenuated the release of gelatinase activity from PASMCs and this may be significant in the light of recent findings indicating that prednisolone selectively inhibits the proliferation of PASMCs from...
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Báo cáo y học: " Pro/con clinical debate: Pulmonary artery catheters increase the morbidity and mortality of intensive care unit patients" potx
... data is often incorrectly interpreted and utilized The current standard of practice is to insert a PAC in cases of hemodynamic uncertainty As there is no data supporting a beneficial effect of the ... potentially harmful intervention when assessing clinical data in a case study provided Subsequent to insertion of a PAC, the range of treatments and the number of harmful interventions were reduced ... small numbers of heterogeneous patient populations, inappropriate use of the PAC, insufficient evaluation of intensivist expertise and nonprotocol-driven therapeutic strategies in response to...
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Báo cáo khoa học: "The concentration of oxygen, lactate and glucose in the central veins, right heart, and pulmonary artery: a study in patients with pulmonary hypertension" ppt
... idea of mixing SVC and IVC blood as the mechanism for development of Δ[Lac] The finding of greater SO2 and [Lac] in IVC and SVC than in pulmonary artery indicates that further dilution of oxygen ... reflecting the high rate of cerebral glucose uptake In adult humans glucose represents the main, if not the sole, substrate of brain energy metabolism, with the brain utilizing approximately 25% of ... markers of myocardial energy metabolism in hemodynamically stable individuals [6] Further work remains to be done to establish the provenance of these gradients in other clinical conditions, including...
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Báo cáo y học: " Pulse-pressure variation and hemodynamic response in patients with elevated pulmonary artery pressure: a clinical study" ppt
... decreased in none of the fluid challenges resulting in increased SV, and in 44% of those in which SV did not increase (P = 0.0003) EDV increased in 28% of fluid challenges resulting in increased ... concomitant increase in central venous pressure; thin solid line, line of identity of fluid challenges strongly suggests that preload acutely increased in the majority of fluid challenges; in those ... increased SV and in 45% of those in which SV did not increase (P, not significant) Discussion The main finding of this study was the lack of association between PPV and volume responsiveness in patients...
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Báo cáo y học: "Pulse pressure variation and volume responsiveness during acutely increased pulmonary artery pressure: an experimental study" doc
... line, all fluid challenges; dashed line, fluid challenges with concomitant increase in central venous pressure; thin solid line, line of identity during an endotoxemia-induced acute increase in ... preceding hemorrhage Solid line, all fluid challenges; dashed line, fluid challenges with concomitant increase in central venous pressure; thin solid line, line of identity Discussion The main finding ... showing all fluid challenges during endotoxemia Solid line, all fluid challenges; dashed line, fluid challenges with concomitant increase in central venous pressure; thin solid line, line of identity...
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Báo cáo y học: "Cross-comparison of cardiac output trending accuracy of LiDCO, PiCCO, FloTrac and pulmonary artery catheters" docx
... > 250 cc of PRBC, FFP, platelets or 0.9% saline given over < 30 min) Inotrope (any Δ > 0.01 μg/kg/min in epinephrine or > μg/kg/min in dopamine or dobutamine infusion) 10 Combination of any two ... L/min 2.11 L/min 0.27 L/min -1.57 L/min 1.46 L/min -0.10 L/min -1.65 L/min 1.30 L/min 0.30 L/min -0.70 L/min 1.59 L/min -0.27 L/min -2.13 L/min Figure Bland-Altman analysis of each set of paired ... COtd 1.54 L/min -0.10 L/min -2 -1.75 L/min -4 10 12 CCO 1.80 L/min 0.49 L/min -0.81 L/min -2 -4 -6 -0.72 L/min -2 -4 10 12 -4.81 L/min 10 CCO LiDCO 1.10 L/min -0.31 L/min -1.72 L/min -2 -4 10...
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Aging of the Respiratory System: Impact on Pulmonary Function Tests and Adaptation to Exertion pdf
... decrease in Pao2 with age was minimal (6 mm Hg) Most of the variance of V/Q mismatch was not a result of aging and remained unexplained; the role of an increase in closing volume with aging was ... consistently find an increase in the average distance between airspace walls (mean linear intercept) and a decrease in the surface area of airspace wall per unit of lung volume beginning in the third ... decrease in Pao2, increase in alveolar-arterial difference in partial pressure of oxygen (Pao2 À Pao2), and decrease in carbon monoxide transfer, measurement of V/Q inequality using the multiple inert...
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Sputum smear negative pulmonary tuberculosis: sensitivity and specificity of diagnostic algorithm docx
... facilities of doing cultures are prohibitive in most developing countries Sputum smear microscopy remains the main diagnostic tool for PTB that allows initiation of treatment and monitoring of patient ... history and physical examination was done by a study clinician and the findings were recorded on a clinical record form The investigators did not interfere in the treatment of these patients The ... the results of sputum culture were missed and they received inappropriate treatment, leaving them vulnerable to developing severe disease as well as remaining source of TB infection in the community...
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Báo cáo khoa học: Heme oxygenase-1 ⁄p21WAF1 mediates peroxisome proliferator-activated receptor-c signaling inhibition of proliferation of rat pulmonary artery smooth muscle cells pot
... families of proteins: inhibitor of kinase ⁄ alternative reading frame and CDK inhibitor protein ⁄ kinase inhibitor protein The inhibitor of kinase ⁄ alternative reading frame family includes p16INK4a ... cell cycle in the G1 phase by binding to, and inactivating, cyclin–CDK complexes [29,30] The results of our PPARc inhibition of cell proliferation study reveal that activation of PPARc increases ... Lipofectamine and incubated at room temperature for 20 Then, the complex of siRNA and Lipofectamine was added to cells, and culture was maintained for 72 h at 37 °C and 5% CO2 in a humidified incubator...
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Báo cáo Y học: Proteolytic action of duodenase is required to induce DNA synthesis in pulmonary artery fibroblasts A role for phosphoinositide 3-kinase pot
... [28] Employing a range of selective inhibitors, we investigated the roles of PtdIns 3-kinase, MEK1/ERK, protein kinase C and pertussis toxin-sensitive G-proteins Only partial inhibition of DNA synthesis ... pertussis toxin, which ADP-ribosylates the a subunit of Gi and Go resulting in blockade of G protein activation, inhibited duodenase-induced [3H]thymidine incorporation by 52 ± 2.5%, suggesting involvement ... localization of duodenase in bovine intestine and lung Representative positively stained mast cells are indicated by large arrows Panels (a–e) show localization of duodenase in bovine jejenum In panel...
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LABORATORY DIAGNOSIS OF PULMONARY TUBERCULOSIS : CONVENTIONAL AND NEWER APPROACHES+ pdf
... and this is one of the production of host enzymes (Adenosine Deaminase) important limiting factors in determining the directly in clinical samples TSA is present not sensitivity of PCR assays for ... those of us who are carried away by certain reports coming from research DNA PROBES publications Batches of 200 samples containing Recent developments in the field of molecular varying numbers of ... model of history, examination and sputum microscopy has proved itself capable of detecting the majority of infectious cases and, in conjuction with adequate case-finding and 109 treatment, remains...
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Pulmonary Tuberculosis - Evolution and Clinical picture doc
... mycobacteria Mode of infection The disease is transmitted through inhalation of infected sputum droplets or ingestion of infected milk Primary Tuberculosis Occurs in the body when it is infected for ... regional lymph nodes specially in prim infection Blood born spread: •Early in prim infection bacillemia occurs through lymph-hematogenous spread with seeding of bacilli to all parts of the lungs and ... intima , with subsequent discharge of bacilli into the blood stream leading to miliary spread Usually solitary, caseating and liquefying but can later heal by endothelial covering Can occur in...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25