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Pneumococcal purpura fulminans in asplenic or hyposplenic patients: a French multicenter exposed-unexposed retrospective cohort study.

ABSTRACT: BACKGROUND:Pneumococcal infections remain the main cause of overwhelming post-splenectomy infections, and purpura fulminans may develop in almost 20% of patients with overwhelming post-splenectomy infection. We aimed at describing the impact of asplenia/hyposplenia on the clinical features and the outcomes of adult patients admitted to the intensive care unit (ICU) for pneumococcal purpura fulminans. METHODS:A 17-year national multicenter retrospective cohort study included adult patients admitted to 55 French ICUs for an infectious purpura fulminans from 2000 to 2016. Patients with pneumococcal purpura fulminans were analyzed according to the absence or presence of asplenia/hyposplenia. RESULTS:Among the 306 patients admitted to the ICU for purpura fulminans, 67 (22%) had a pneumococcal purpura fulminans, of whom 34 (51%) had asplenia (n?=?29/34, 85%) or hyposplenia (n?=?5/34, 15%) and 33 (49%) had eusplenia. The prevalence of pneumococcal purpura fulminans was seven times higher in asplenic/hyposplenic patients compared to eusplenic patients with purpura fulminans (n?=?34/39, 87% vs. n?=?33/267, 12%; p?

SUBMITTER: Contou D

PROVIDER: S-EPMC7045371 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature

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Pneumococcal purpura fulminans in asplenic or hyposplenic patients: a French multicenter exposed-unexposed retrospective cohort study.

Contou Damien D Coudroy Rémi R Colin Gwenhaël G Tadié Jean-Marc JM Cour Martin M Sonneville Romain R Mekontso Dessap Armand A de Prost Nicolas N

Critical care (London, England) 20200226 1

<h4>Background</h4>Pneumococcal infections remain the main cause of overwhelming post-splenectomy infections, and purpura fulminans may develop in almost 20% of patients with overwhelming post-splenectomy infection. We aimed at describing the impact of asplenia/hyposplenia on the clinical features and the outcomes of adult patients admitted to the intensive care unit (ICU) for pneumococcal purpura fulminans.<h4>Methods</h4>A 17-year national multicenter retrospective cohort study included adult ...[more]

PMID: 32102696

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Project description:BackgroundHenoch-Schönlein purpura nephritis (HSPN) is a form of small vessel vasculitis associated with purpura and IgA deposition in the glomeruli. The International Study of Kidney Disease in Children (ISKDC) classification predicts renal prognosis in children with HSPN, but not in adults. Additionally, it is not well known whether the Oxford classification 2016 and/or the Japanese Histologic classification (JHC) are associated with renal outcome. Herein, we investigated the relationship between pathological characteristics and renal outcome among adult patients with HSPN.MethodsA multicenter retrospective cohort study was conducted in adult patients with HSPN who underwent renal biopsy between 2004 and 2014. Two nephrologists classified each patient according to the Oxford classification 2016, JHC, and the ISKDC classification. Renal outcome was defined by a 30% decline in the eGFR and/or end-stage kidney disease.ResultsWe enrolled 74 adult patients with HSPN (mean age, 47.8 ± 17.4 years; mean eGFR, 76.4 ± 25.8 ml/min/1.73 m2; median proteinuria, 1.40 [IQR: 0.70-2.38] g/day). During a mean follow-up period of 68.0 ± 33.0 months, fourteen patients (18.9%) reached the renal outcome, and all 14 had received immunosuppressive therapy. The log-rank test revealed that event-free renal survival was significantly shorter in patients with endocapillary proliferation (E1) according to the Oxford classification than in those with E0 (p = 0.0072). However, the JHC, ISKDC classification and other Oxford lesions could not demonstrate a significant difference in event-free renal survival. In a multivariate Cox model adjusted for clinical and pathological factors, age (HR, 1.57; 95% CI, 1.12-2.21) and E lesion (HR, 6.71; 95% CI, 1.06-42.7) were independent risk factors for renal outcome.ConclusionsEndocapillary proliferation is significantly associated with renal outcome in adult patients with HSPN, including those receiving immunosuppressive therapy. Other Oxford classification lesions, JHC, and ISKDC classification were not associated with renal outcome.

Dataset Information

Pneumococcal purpura fulminans in asplenic or hyposplenic patients: a French multicenter exposed-unexposed retrospective cohort study.

Publications

Pneumococcal purpura fulminans in asplenic or hyposplenic patients: a French multicenter exposed-unexposed retrospective cohort study.

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