Clinical characteristics and outcomes of a patient population with atypical hemolytic uremic syndrome and malignant hypertension: analysis from the Global aHUS registry

被引:9
|
作者
Halimi, Jean-Michel [1 ,2 ]
Al-Dakkak, Imad [3 ]
Anokhina, Katerina [3 ]
Ardissino, Gianluigi [4 ]
Licht, Christoph [5 ]
Lim, Wai H. [6 ,7 ]
Massart, Annick [8 ]
Schaefer, Franz [9 ]
Vande Walle, Johan [10 ]
Rondeau, Eric [11 ]
机构
[1] CHRU Tours, Serv Nephrol Hypertens Arterielle Dialyses Transp, Tours, France
[2] Univ Tours, Equipe Accueil 4245 EA4245, Tours, France
[3] Alexion, AstraZeneca Rare Dis, Boston, MA USA
[4] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Ctr HUS Control Prevent & Management, Milan, Italy
[5] Hosp Sick Children, Div Nephrol, Toronto, ON, Canada
[6] Sir Charles Gairdner Hosp, Dept Renal Med, Perth, WA, Australia
[7] Univ Western Australia, Med Sch, Perth, WA, Australia
[8] Antwerp Univ Hosp, Dept Nephrol & Hypertens, Edegem, Belgium
[9] Heidelberg Univ Hosp, Div Pediat Nephrol, Heidelberg, Germany
[10] Ghent Univ Hosp, Dept Internal Med & Pediat, Ghent, Belgium
[11] Hop Tenon, Urgences Nephrol & Transplantat Renale, Paris, France
关键词
Complement; Eculizumab; Hemolytic uremic syndrome; Malignant hypertension; THROMBOTIC MICROANGIOPATHY; ADULT PATIENTS; COMPLEMENT; ECULIZUMAB; INHIBITOR; CONSENSUS; DIAGNOSIS;
D O I
10.1007/s40620-022-01465-z
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Introduction Atypical hemolytic uremic syndrome (aHUS) is a rare form of thrombotic microangiopathy (TMA) often caused by alternative complement dysregulation. Patients with aHUS can present with malignant hypertension (MHT), which may also cause TMA. Methods This analysis of the Global aHUS Registry (NCT01522183) assessed demographics and clinical characteristics in eculizumab-treated and not-treated patients with aHUS, with (n = 71) and without (n = 1026) malignant hypertension, to further elucidate the potential relationship between aHUS and malignant hypertension. Results While demographics were similar, patients with aHUS + malignant hypertension had an increased need for renal replacement therapy, including kidney transplantation (47% vs 32%), and more pathogenic variants/anti-complement factor H antibodies (56% vs 37%) than those without malignant hypertension. Not-treated patients with malignant hypertension had the highest incidence of variants/antibodies (65%) and a greater need for kidney transplantation than treated patients with malignant hypertension (65% vs none). In a multivariate analysis, the risk of end-stage kidney disease or death was similar between not-treated patients irrespective of malignant hypertension and was significantly reduced in treated vs not-treated patients with aHUS + malignant hypertension (adjusted HR (95% CI), 0.11 [0.01-0.87], P = 0.036). Conclusions These results confirm the high severity and poor prognosis of untreated aHUS and suggest that eculizumab is effective in patients with aHUS +/- malignant hypertension. Furthermore, these data highlight the importance of accurate, timely diagnosis and treatment in these populations and support consideration of aHUS in patients with malignant hypertension and TMA. [GRAPHICS] .
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收藏
页码:817 / 828
页数:12
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