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RESUMO Objetivo: Definir o perfil epidemiológico e os principais determinantes de morbimortalidade dos pacientes cirúrgicos não cardíacos de alto risco no Brasil. Métodos: Estudo prospectivo, observacional e multicêntrico. Todos os pacientes cirúrgicos não cardíacos admitidos nas unidades de terapia intensiva, ou seja, considerados de alto risco, no período de 1 mês, foram avaliados e acompanhados diariamente por, no máximo, 7 dias na unidade de terapia intensiva, para determinação de complicações. As taxas de mortalidade em 28 dias de pós-operatório, na unidade de terapia intensiva e hospitalar foram avaliadas. Resultados: Participaram 29 unidades de terapia intensiva onde foram realizadas cirurgias em 25.500 pacientes, dos quais 904 (3,5%) de alto risco (intervalo de confiança de 95% - IC95% 3,3% - 3,8%), tendo sido incluídos no estudo. Dos pacientes envolvidos, 48,3% eram de unidades de terapia intensiva privadas e 51,7% de públicas. O tempo de internação na unidade de terapia intensiva foi de 2,0 (1,0 - 4,0) dias e hospitalar de 9,5 (5,4 - 18,6) dias. As taxas de complicações foram 29,9% (IC95% 26,4 - 33,7) e mortalidade em 28 dias pós-cirurgia 9,6% (IC95% 7,4 - 12,1). Os fatores independentes de risco para complicações foram Simplified Acute Physiology Score 3 (SAPS 3; razão de chance − RC = 1,02; IC95% 1,01 - 1,03) e Sequential Organ Failure Assessment Score (SOFA) da admissão na unidade de terapia intensiva (RC =1,17; IC95% 1,09 - 1,25), tempo de cirurgia (RC = 1,001; IC95% 1,000 - 1,002) e cirurgias de emergências (RC = 1,93; IC95% 1,10 - 3,38). Em adição, foram associados com mortalidade em 28 dias idade (RC = 1,032; IC95% 1,011 - 1,052) SAPS 3 (RC = 1,041; IC95% 1,107 - 1,279), SOFA (RC = 1,175; IC95% 1,069 - 1,292) e cirurgias emergenciais (RC = 2,509; IC95% 1,040 - 6,051). Conclusão: Pacientes com escores prognósticos mais elevados, idosos, tempo cirúrgico e cirurgias emergenciais estiveram fortemente associados a maior mortalidade em 28 dias e mais complicações durante permanência em unidade de terapia intensiva.

ABSTRACT Objective: To define the epidemiological profile and the main determinants of morbidity and mortality in noncardiac high surgical risk patients in Brazil. Methods: This was a prospective, observational and multicenter study. All noncardiac surgical patients admitted to intensive care units, i.e., those considered high risk, within a 1-month period were evaluated and monitored daily for a maximum of 7 days in the intensive care unit to determine complications. The 28-day postoperative, intensive care unit and hospital mortality rates were evaluated. Results: Twenty-nine intensive care units participated in the study. Surgeries were performed in 25,500 patients, of whom 904 (3.5%) were high-risk (95% confidence interval - 95%CI 3.3% - 3.8%) and were included in the study. Of the participating patients, 48.3% were from private intensive care units, and 51.7% were from public intensive care units. The length of stay in the intensive care unit was 2.0 (1.0 - 4.0) days, and the length of hospital stay was 9.5 (5.4 - 18.6) days. The complication rate was 29.9% (95%CI 26.4 - 33.7), and the 28-day postoperative mortality rate was 9.6% (95%CI 7.4 - 12.1). The independent risk factors for complications were the Simplified Acute Physiology Score 3 (SAPS 3; odds ratio - OR = 1.02; 95%CI 1.01 - 1.03) and Sequential Organ Failure Assessment Score (SOFA) on admission to the intensive care unit (OR = 1.17; 95%CI 1.09 - 1.25), surgical time (OR = 1.001, 95%CI 1.000 - 1.002) and emergency surgeries (OR = 1.93, 95%CI, 1.10 - 3.38). In addition, there were associations with 28-day mortality (OR = 1.032; 95%CI 1.011 - 1.052), SAPS 3 (OR = 1.041; 95%CI 1.107 - 1.279), SOFA (OR = 1.175, 95%CI 1.069 - 1.292) and emergency surgeries (OR = 2.509; 95%CI 1.040 - 6.051). Conclusion: Higher prognostic scores, elderly patients, longer surgical times and emergency surgeries were strongly associated with higher 28-day mortality and more complications during the intensive care unit stay.

https://doi.org/10.5935/0103-507x.20200005 1048 downloads

The direct first pass aspiration technique in the treatment of acute ischemic stroke resulting from large vessel occlusions
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Castro-Afonso, Luís Henrique de

; Nakiri, Guilherme Seizem

; Monsignore, Lucas Moretti

; Cougo-Pinto, Pedro Telles

; Dias, Francisco Antunes

; Aléssio-Alves, Frederico

; Pontes-Neto, Octávio Marques

; Abud, Daniel Giansante

Arquivos de Neuro-Psiquiatria

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jul 2017, Volume 75 N. 7 Pages 412 - 418

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO A trombectomia mecânica com stent retrievers é o tratamento padrão ouro do acidente vascular cerebral isquêmico agudo (AVCi) por oclusão de grandes artérias. A técnica de aspiração primária (ADAPT) tem sido proposta como uma estratégia de trombectomia rápida e com boa custo-efetividade. O objetivo deste estudo foi avaliar a segurança e eficácia da técnica ADAPT. Métodos A recanalização foi avaliada utilizando a escala mTICI. Os desfechos neurológicos foram avaliados utilizando as escalas do NIHSS e mRS. Resultados Quinze pacientes foram avaliados. Foram obtidas taxas de mTICI = 2b-3 em 80% e TICI = 3 em 60% dos pacientes. Não ocorreram hemorragias intracranianas. Em 3 meses as taxas de mRS≤2 e mortalidade foram respectivamente 60% e 13.3%. Conclusão A técnica ADAPT parece ser uma estratégia de recanalização rápida, segura e efetiva para o tratamento do AVC por oclusão de grandes artérias.

ABSTRACT Mechanical thrombectomy using stent retrievers is the standard treatment for acute ischemic stroke that results from large vessel occlusions. The direct aspiration first pass technique (ADAPT) has been proposed as an efficient, fast, and cost-effective thrombectomy strategy. The aim of this study was to assess the safety and efficacy of ADAPT. Methods Recanalization was assessed using the modified thrombolysis in cerebral infarction (mTICI) score. Neurological outcomes were assessed using the National Institutes of Health Stroke Scale and modified Rankin Scale. Results Fifteen patients were evaluated. The mTICI score was 2b-3 in 80%, and it was 3 in 60% of patients. No intracranial hemorrhage was seen. At three months, modified Rankin Scale scores ≤ 2 were observed in 60% of patients and the mortality rate was 13.3%. Conclusions The ADAPT appears to be a safe, effective, and fast recanalization strategy for treatment of acute ischemic stroke resulting from large vessel occlusions.

https://doi.org/10.1590/0004-282x20170059 2057 downloads

Evaluation of embolization for periuterine varices involving chronic pelvic pain secondary to pelvic congestion syndrome
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Siqueira, Flavio Meirelles

; Monsignore, Lucas Moretti

; Rosa-e-Silva, Julio Cesar

; Poli-Neto, Omero Benedicto

; Castro-Afonso, Luis Henrique de

; Nakiri, Guilherme Seizem

; Muglia, Valdair Francisco

; Abud, Daniel Giansante

Clinics

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dec 2016, Volume 71 N. 12 Pages 703 - 708

Abstract: En | Text: En | PDF: En

OBJECTIVES: To evaluate the clinical response and success rate after periuterine varices embolization in patients with chronic pelvic pain secondary to pelvic congestion syndrome and to report the safety of endovascular treatment and its rate of complications. METHODS: Retrospective cohort of patients undergoing endovascular treatment of pelvic congestion syndrome in our department from January 2012 to November 2015. Data were analyzed based on patient background, imaging findings, embolized veins, rate of complications, and clinical response as indicated by the visual analog pain scale. RESULTS: We performed periuterine varices embolization in 22 patients during the study, four of which required a second embolization. Seventeen patients reported a reduction in pelvic pain after the first embolization and three patients reported a reduction in pelvic pain after the second embolization. Minor complications were observed in our patients, such as postural hypotension, postoperative pain, and venous perforation during the procedure, without clinical repercussion. CONCLUSION: Periuterine varices embolization in patients with chronic pelvic pain secondary to pelvic congestion syndrome appears to be an effective and safe technique.

https://doi.org/10.6061/clinics/2016(12)05 1172 downloads

Carotid artery stenting in the context of endovascular treatment of acute ischemic stroke
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Lucena, Adson F. de

; Castro-Afonso, Luís Henrique de

; Monsignore, Lucas M.

; Nakiri, Guilherme S.

; Fábio, Soraia R. C.

; Pontes Neto, Octávio

; Abud, Daniel Giansante

Arquivos de Neuro-Psiquiatria

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mar 2016, Volume 74 N. 3 Pages 212 - 218

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO Trombectomia mecânica com stentrievers associada a trombólise endovenosa com rTPA é o tratamento padrão-ouro do acidente vascular cerebral isquêmico agudo (AVCi) devido à oclusões de grandes vasos. No entanto, a melhor estratégia terapêutica para oclusões carotídeas combinadas ainda permanece controversa. Método Vinte paciente receberam tratamento endovascular. O desfecho primário foi a taxa de recanalização completa sem sangramento intracraniano sintomático. Os desfechos secundários foram os tempos de recanalização, duração dos procedimentos e desfechos clínicos em 3 meses. Resultados O desfecho primário foi alcançado em 17 (85%) pacientes. A taxa de recanalização foi de 90% (19/20) e a taxa de HIS foi de 5% (1/20). Em três meses, foi obtido bom desfecho neurológico em 35% (7/20) dos pacientes e a mortalidade foi de 20% (4/20). Conclusão A angioplastia com stent de carotída associada ao tratamento endovascular para oclusões combinadas agudas de carótida parece ser efetiva sem um aumento de HIS.

ABSTRACT Mechanical thrombectomy as an adjunctive to intravenous thrombolysis is now the standard treatment for acute ischemic stroke (AIS) due to large vessel occlusions. However, the best management of acute carotid tandem occlusions (CTO) remains controversial. Method Twenty patients underwent endovascular treatment of acute CTO. The primary endpoint was the composite rate of complete or partial recanalization without a symptomatic intracranial hemorrhage (sICH). Secondary endpoints were recanalization times, procedure times, and clinical outcomes at three months. Results The primary endpoint was reached in 17 (85%) patients. Recanalization rate was reached in 90% of patients (19/20) and sICH rate was 5% (1/20). At the 3-month follow-up we obtained a mRS ≤ 2 rate of 35% (7/20) and a mortality rate of 20% (4/20). Conclusion Carotid angioplasty stenting and endovascular treatment of AIS due to CTO appears effective with an acceptable rate of sICH.

https://doi.org/10.1590/0004-282X20150213 3142 downloads

Femoral artery injury during aneurysm coiling
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Aguiar-Dias, Daniel

; Castro-Afonso, Luis Henrique

; Abud, Daniel Giansante

Radiologia Brasileira

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oct 2015, Volume 48 N. 5 Pages 335 - 336

Abstract: En | Text: En | PDF: En

https://doi.org/10.1590/0100-3984.2014.0081 1167 downloads

Shared decision-making in the context of unruptured intracranial aneurysms management
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Castro-Afonso, Luís Henrique de

; Abud, Daniel Giansante

Arquivos de Neuro-Psiquiatria

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sep 2015, Volume 73 N. 9 Pages 791 - 794

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

A decisão médica compartilhada tem sido estimulada em várias situações clínicas. Por este modelo, as decisões clínicas são definidas por pacientes e médicos em conjunto, baseado no princípio da autonomia dos pacientes. A decisão médica compartilhada tem sido apontada como uma prática ética para situações clínicas complexas ou incertas. O melhor manejo dos aneurismas cerebrais não rotos continua controverso. Apesar da decisão médica compartilhada ser provavelmente praticada, esta prática ainda não foi avaliada, nem padronizada, para o atendimento de pacientes com aneurisma cerebral não roto. Nós discutiremos os possíveis papéis da decisão médica compartilhada no manejo dos aneurismas cerebrais não rotos.

Shared decision-making practice has been encouraged in several clinical settings. In this model, clinical decisions are defined by doctors and patients based on the principle of patient autonomy. Shared decisions have been argued as an ethical clinical practice during complex and uncertain clinical situations. The best management of unruptured intracranial aneurysms (UIA) remains controversial. Despite the fact that shared decisions has probably been practiced, as far as we are aware it has not yet been evaluated, nor has it been standardized for patients presenting UIA. We aim to discuss possible roles, pros and cons of shared decision-making on the management of UIA.

https://doi.org/10.1590/0004-282X20150118 1770 downloads

Outcomes of carotid artery stenting at a high-volume Brazilian interventional neuroradiology center
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Castro-Afonso, Luis Henrique de

; Nakiri, Guilherme Seizem

; Monsignore, Lucas Moretti

; Santos, Daniela dos

; Camilo, Millene Rodrigues

; Dias, Francisco Antunes

; Cougo-Pinto, Pedro Telles

; Barreira, Clara Monteiro Antunes

; Alessio-Alves, Frederico Fernandes

; Fábio, Soraia Ramos Cabette

; Pontes-Neto, Octávio Marques

; Abud, Daniel Giansante

Clinics

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mar 2015, Volume 70 N. 3 Pages 180 - 184

Abstract: En | Text: En | PDF: En

OBJECTIVES: Carotid artery stenting is an emerging revascularization alternative to carotid endarterectomy. However, guidelines have recommended carotid artery stenting only if the rate of periprocedural stroke or death is < 6% among symptomatic patients and < 3% among asymptomatic patients. The aim of this study is to evaluate and compare clinical outcomes of symptomatic and asymptomatic patients who had undergone carotid artery stenting as a first-intention treatment. METHOD: A retrospective analysis of patients who underwent carotid artery stenting by our interventional neuroradiology team was conducted. Patients were divided into two groups: symptomatic and asymptomatic patients. The primary endpoints were ipsilateral ischemic stroke, ipsilateral parenchymal hemorrhage and major adverse cardiac and cerebrovascular events at 30 days. The secondary endpoints included ipsilateral ischemic stroke, ipsilateral parenchymal hemorrhage, ipsilateral transient ischemic attack and major adverse cardiac and cerebrovascular events between the 1- and 12-month follow-ups. RESULTS: A total of 200 consecutive patients were evaluated. The primary endpoints obtained in the symptomatic vs. asymptomatic groups were ipsilateral stroke (2.4% vs. 2.7%, p = 1.00), ipsilateral parenchymal hemorrhage (0.8% vs. 0.0%, p = 1.00) and major adverse cardiac and cerebrovascular events (4.7% vs. 2.7%, p = 0.71). The secondary endpoints obtained in the symptomatic vs. asymptomatic groups were ipsilateral ischemic stroke (0.0% vs. 0.0%), ipsilateral parenchymal hemorrhage (0.0% vs. 0.0%), ipsilateral TIA (0.0% vs. 0.0%, p = 1.00) and major adverse cardiac and cerebrovascular events (11.2% vs. 4.1%, p = 0.11). CONCLUSIONS: In this retrospective study, carotid artery stenting was similarly safe and effective when performed as a first-intention treatment in both symptomatic and asymptomatic patients. The study results comply with the safety requirements from current recommendations to perform carotid artery stenting as an alternative treatment to carotid endarterectomy.

https://doi.org/10.6061/clinics/2015(03)05 1026 downloads

Mechanical thrombectomy with solitaire stent retrieval for acute ischemic stroke in a Brazilian population
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Castro-Afonso, Luis Henrique de

; Abud, Thiago Giansante

; Pontes-Neto, Octávio Marques

; Monsignore, Lucas Moretti

; Nakiri, Guilherme Seizem

; Cougo-Pinto, Pedro Telles

; Oliveira, Lívia de

; Santos, Daniela dos

; Dias, Francisco A

; Fábio, Soraia Cabette Ramos

; Coletto, Francisco Antônio

; Abud, Daniel Giansante

Clinics

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dec 2012, Volume 67 N. 12 Pages 1379 - 1386

Abstract: En | Text: En | PDF: En

OBJECTIVE: Large vessel occlusion in acute ischemic stroke is associated with low recanalization rates under intravenous thrombolysis. We evaluated the safety and efficacy of the Solitaire AB stent in treating acute ischemic stroke. METHODS: Patients presenting with acute ischemic stroke were prospectively evaluated. The neurological outcomes were assessed using the National Institutes of Health Stroke Scale and the modified Rankin Scale. Time was recorded from the symptom onset to the recanalization and procedure time. Recanalization was assessed using the thrombolysis in cerebral infarction score. RESULTS: Twenty-one patients were evaluated. The mean patient age was 65, and the National Institutes of Health Stroke Scale scores ranged from 7 to 28 (average 17±6.36) at presentation. The vessel occlusions occurred in the middle cerebral artery (61.9%), distal internal carotid artery (14.3%), tandem carotid occlusion (14.3%), and basilarartery (9.5%). Primary thrombectomy, rescue treatment and a bridging approach represented 66.6%, 28.6%, and 4.8% of the performed procedures, respectively. The mean time from symptom onset to recanalization was 356.5±107.8 minutes (range, 80-586 minutes). The mean procedure time was 60.4±58.8 minutes (range, 14-240 minutes). The overall recanalization rate (thrombolysis in cerebral infarction scores of 3 or 2b) was 90.4%, and the symptomatic intracranial hemorrhage rate was 14.2%. The National Institutes of Health Stroke Scale scores at discharge ranged from 0 to 25 (average 6.9±7). At three months, 61.9% of the patients had a modified Rankin Scale score of 0 to 2, with an overall mortality rate of 9.5%. CONCLUSIONS: Intra-arterial thrombectomy with the Solitaire AB device appears to be safe and effective. Large randomized trials are necessary to confirm the benefits of this approach in acute ischemic stroke.

https://doi.org/10.6061/clinics/2012(12)06 2843 downloads Cited 3 times in SciELO

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