2010
DOI: 10.1111/j.1365-2141.2010.08096.x
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Effect of eculizumab on haemolysis‐associated nitric oxide depletion, dyspnoea, and measures of pulmonary hypertension in patients with paroxysmal nocturnal haemoglobinuria

Abstract: Effect of eculizumab on haemolysis-associated nitric oxide depletion, dyspnoea, and measures of pulmonary hypertension in patients with paroxysmal nocturnal haemoglobinuria Mild-to-moderate pulmonary hypertension (PH) occurs in up to 30% of adult patients with sickle cell disease and has been implicated as a complication in various other hereditary haemolytic anaemias, including thalassaemia and hereditary spherocytosis (Rother et al, 2005). It is believed to be linked to intravascular haemolysis, leading to t… Show more

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Cited by 137 publications
(132 citation statements)
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“…Elevation of tricuspid regurgitation velocity by echocardiography is common in hemolytic hematologic disorders such as sickle cell anemia, thalassemia and paroxysmal nocturnal hemoglobinuria, [29][30][31][32][33] and potential contributing mechanisms include a hemolysis-induced vasculopathy, 34 volume overload, and diastolic dysfunction. 29,35 In contrast to sickle cell disease, we found no evidence that subjects with Chuvash polycythemia had significant hemolysis or diastolic dysfunction.…”
Section: Discussionmentioning
confidence: 99%
“…Elevation of tricuspid regurgitation velocity by echocardiography is common in hemolytic hematologic disorders such as sickle cell anemia, thalassemia and paroxysmal nocturnal hemoglobinuria, [29][30][31][32][33] and potential contributing mechanisms include a hemolysis-induced vasculopathy, 34 volume overload, and diastolic dysfunction. 29,35 In contrast to sickle cell disease, we found no evidence that subjects with Chuvash polycythemia had significant hemolysis or diastolic dysfunction.…”
Section: Discussionmentioning
confidence: 99%
“…Patients with PNH are at an elevated risk of life-threatening complications such as thrombosis, chronic kidney disease, and end-organ damage as well as disease-related morbidities including pulmonary hypertension, abdominal pain, dyspnea, and debilitating fatigue (5)(6)(7)(8)(9)(10). PNH is associated with early mortality; up to 35% of PNH patients die within 5 years of diagnosis (10), and up to 50% of patients die within 10-15 years of diagnosis (11,12).…”
Section: Introductionmentioning
confidence: 99%
“…W procesie hemolizy z erytrocytów uwalnia się również arginaza -enzym, który przekształca argininę w ornitynę i tym samym zmniejsza ilość substratu do odtworzenia puli NO [14]. Niedobór NO jest więc bezpośrednio związany z nasileniem hemolizy i liniowo koreluje ze zwiększeniem aktywności dehydrogenazy mleczanowej (LDH, lactate dehydrogenase) w osoczu -markera aktywności hemolizy [15] (ryc. 1).…”
Section: Konsekwencje Kliniczne Przewlekłej Hemolizyunclassified
“…Pathomechanism of nocturnal hemoglobinuria thrombotic complications -close relationship between the coagulation cascade and the complement pathway and hemolysis; fXIIa -factor XII activated; fVIIa -factor VII activated; fXa -factor X activated; fVa -factor V activated; MAC -membrane attack complex; fXIIIa -factor XIII activated; TF -tissue factor; vWF -von Willebrand factor; fVIII -factor VIII; PLT -platelets; RBC -red blood cells; PS -phosphatidylserine; NO -nitric oxide; fX -factor X; PAI -plasminogen activator inhibitor; TFPI -TF pathway inhibitor; ADAMTS 13 -metalloprotease cleaving high molecular weight multimers of vWF; Hb -hemoglobin (NT-proBNP, N-terminal natriuretic propeptide type B) jest podwyższone oraz występuje dysfunkcja prawego przedsionka wtórna do nadciśnienia płucne-go. W ciągu 2 tygodni od włączenia leczenia, poza znaczącym ograniczeniem hemolizy i wzrostem stężenia NO, zaobserwowano zmniejszenie napięcia wazomotorycznego, ograniczenie duszności oraz obniżenie stężenia NT-proBNP [15].…”
Section: Nadciśnienie Płucneunclassified
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