32 research outputs found
Organising in the Anthropocene: An Ontological Outline for Ecocentric Theorising
As a response to anthropogenic ecological problems, a group of organisation scholars have acknowledged the importance of ecocentric theorising that takes materiality and non-human objects seriously. The purpose of this article is to examine the philosophical basis of cocentric organisation studies and develop an ontological outline for ecocentric theorising in the Anthropocene. The paper identifies the central premises of ecocentric organisations from the previous literature, and complements the theory with a set of ontological qualities common to all objects. The study draws on recent advances in object-oriented and ecological philosophies to present three essential qualities of objects, namely autonomy, uniqueness, and intrinsicality. The paper discusses how these qualities are critical in reclaiming the lost credibility and practical relevance of ecocentrism in both organisational theory and the sustainability sciences in general. To organise human activities in a sustainable manner in the new geological era, a new ontology is needed that not only includes materiality and non-humans in the analysis, but also leads to an ecologically and ethically broader understanding of ecospheric beings and their relationships
Intravenous alteplase for stroke with unknown time of onset guided by advanced imaging: systematic review and meta-analysis of individual patient data
Background: Patients who have had a stroke with unknown time of onset have been previously excluded from thrombolysis. We aimed to establish whether intravenous alteplase is safe and effective in such patients when salvageable tissue has been identified with imaging biomarkers. Methods: We did a systematic review and meta-analysis of individual patient data for trials published before Sept 21, 2020. Randomised trials of intravenous alteplase versus standard of care or placebo in adults with stroke with unknown time of onset with perfusion-diffusion MRI, perfusion CT, or MRI with diffusion weighted imaging-fluid attenuated inversion recovery (DWI-FLAIR) mismatch were eligible. The primary outcome was favourable functional outcome (score of 0–1 on the modified Rankin Scale [mRS]) at 90 days indicating no disability using an unconditional mixed-effect logistic-regression model fitted to estimate the treatment effect. Secondary outcomes were mRS shift towards a better functional outcome and independent outcome (mRS 0–2) at 90 days. Safety outcomes included death, severe disability or death (mRS score 4–6), and symptomatic intracranial haemorrhage. This study is registered with PROSPERO, CRD42020166903. Findings: Of 249 identified abstracts, four trials met our eligibility criteria for inclusion: WAKE-UP, EXTEND, THAWS, and ECASS-4. The four trials provided individual patient data for 843 individuals, of whom 429 (51%) were assigned to alteplase and 414 (49%) to placebo or standard care. A favourable outcome occurred in 199 (47%) of 420 patients with alteplase and in 160 (39%) of 409 patients among controls (adjusted odds ratio [OR] 1·49 [95% CI 1·10–2·03]; p=0·011), with low heterogeneity across studies (I2=27%). Alteplase was associated with a significant shift towards better functional outcome (adjusted common OR 1·38 [95% CI 1·05–1·80]; p=0·019), and a higher odds of independent outcome (adjusted OR 1·50 [1·06–2·12]; p=0·022). In the alteplase group, 90 (21%) patients were severely disabled or died (mRS score 4–6), compared with 102 (25%) patients in the control group (adjusted OR 0·76 [0·52–1·11]; p=0·15). 27 (6%) patients died in the alteplase group and 14 (3%) patients died among controls (adjusted OR 2·06 [1·03–4·09]; p=0·040). The prevalence of symptomatic intracranial haemorrhage was higher in the alteplase group than among controls (11 [3%] vs two [<1%], adjusted OR 5·58 [1·22–25·50]; p=0·024). Interpretation: In patients who have had a stroke with unknown time of onset with a DWI-FLAIR or perfusion mismatch, intravenous alteplase resulted in better functional outcome at 90 days than placebo or standard care. A net benefit was observed for all functional outcomes despite an increased risk of symptomatic intracranial haemorrhage. Although there were more deaths with alteplase than placebo, there were fewer cases of severe disability or death. Funding: None
Conhecimentos tĂ©cnicos, polĂticas pĂşblicas e participação: o caso do Conselho Nacional do Meio Ambiente (Conama)
Politics of mattering in the practices of participatory design
Abstract
In this paper,1 we join those in the field of Participatory Design (PD) that have become inspired by the “ontological turn” as captured in the proliferating discussions around relationality, becoming, and nonhuman agency. The paper offers an account from a PD case where a social media platform was designed with and by professionals for their collaboration around the topic of workplace bullying and harassment. Through this account, this paper reimagines PD in a “posthuman landscape” and explores how this ontological turn forces—and/or enables—a rethinking of ethics and politics in PD. In a timely conference which asks for scrutinizing the ways that the political heritage of democracy, participation, and equality can be enacted in the diverse terrains of PD, our short paper proposes the “politics of mattering” as a way of accounting for the design process as an always-relational becoming and its practices as already-political
The Language Hotel
Eleven artists of diverse cultural backgrounds explore their relationship with language in visually and textually symbolic installations within a monastery turned artists' residency. They comment on their permanent, bedroom installations and describe their working methods in interviews with curator S. Butler. Local writers relate the experiences each had spending a night in one of the installations. Butler, in her text and interviews, comments on alternative curatorial practices and collaborative endeavours. Biographical notes
Alteplase for Stroke With Unknown Onset Time in Chronic Kidney Disease: A Pooled Analysis of Individual Participant Data
International audienceBackground: Although chronic kidney disease (CKD) is associated with worse stroke outcomes, data regarding the influence of CKD on intravenous thrombolysis outcomes are scarce. We sought to assess the efficacy and safety of intravenous thrombolysis for acute ischemic stroke with unknown onset time in patients with CKD. Methods: Patients with an acute stroke of unknown onset time from the EOS trials (Evaluation of Unknown Onset Stroke Thrombolysis) collaboration were evaluated using an individual patient-level database of randomized controlled trials comparing intravenous thrombolysis with placebo/standard treatment. CKD was defined as baseline estimated glomerular filtration rate of <60 ml/min/1.73m 2 Mixed-effect logistic-regression analysis was performed to evaluate treatment effects. A favorable outcome was defined as a modified Rankin Scale score of 0 to 1 at 90 days. Safety outcomes were symptomatic intracranial hemorrhage at 22 to 36 hours and 90-day mortality. Results: Baseline data on renal function were available for 688 of 843 patients. Of these, CKD was present in 146 (21%), including 69 of 351 patients receiving alteplase and 77 of 337 patients receiving placebo/standard treatment. Overall, treatment with alteplase was associated with higher odds of favorable outcome, and CKD did not modify the treatment effect ( P interaction =0.834). A favorable outcome was observed in 31 of 69 (46%) patients with CKD in the alteplase group and in 28 of 77 (36%) patients with CKD in the control group (adjusted odds ratio, 1.19 [95% CI, 0.55–2.58]). Among patients with CKD, symptomatic intracranial hemorrhage occurred in 2 patients (3%) in the alteplase group but in none of the controls ( P =0.133). At 90 days, death was reported in 3 patients (4%) in the alteplase group compared with 2 patients (3%) in the controls ( P =0.539). Conclusions: The present analysis indicates that the benefit of alteplase does not differ between stroke patients with unknown onset time with and without CKD, although the statistical power was lacking to confirm the efficacy in subgroups. This study only applies to mild-to-moderate or predialysis CKD