Results: 143

The expression of endothelial and inducible nitric oxide synthase and apoptosis in intestinal ischemia and reperfusion injury under the action of ischemic preconditioning and pentoxifylline

Acta cir. bras; 32 (11), 2017
Abstract Purpose: To investigate the expression of nitric oxide synthase (NOS) and apoptosis associated with ischemic preconditioning (IPC) and pentoxifylline (PTX) in intestinal ischemia (I) and reperfusion (R) injury. Methods: Thirty male rats were assigned to 5 groups: (CG), no clamping of the sup...

Tadalafil protector effect during ischemia-reperfusion in rats

Acta cir. bras; 32 (11), 2017
Abstract Purpose: To evaluate histological parameters in rat renal tissue after tadalafil use during hot ischemia for 45 minutes and reperfusion for 24 hours. Methods: Twenty rats were divided into 2 groups. In the experimental group 10 mg/kg of tadalafil was used per gavage before the procedure. All...

Cortical blindness secondary to posterior reversible encephalopathy syndrome, recovered by successful blood pressure management

Arq. bras. oftalmol; 80 (5), 2017
ABSTRACT We report a case of cortical blindness secondary to posterior leukoencephalopathy syndrome, which was successfully treated by blood pressure management. A 66-year-old white man presented at the emergency room complaining of severe frontal headache, disorientation, and progressive blurred vision....

Effects of dimethylsulfoxide and pentoxifylline in the vitality of cutaneous flaps in rats

Rev. Col. Bras. Cir; 44 (5), 2017
ABSTRACT Objectives: to verify the influence of dimethylsulfoxide and pentoxifylline on the vitality of cutaneous flaps in rats and the tissue repair process. Methods: were studied 30 Wistar rats, submitting them to a 2cm wide by 8cm long dorsal cutaneous flap, of caudal base. We distributed the anim...

The role of ischemic preconditioning and pentoxifylline in intestinal ischemia/reperfusion injury of rats

Acta cir. bras; 32 (7), 2017
Abstract Purpose: To investigate the role of ischemic preconditioning (IPC) and pentoxifylline (PTX) in intestinal mucosa ischemia/reperfusion injury (IR). Methods: Thirty rats were assigned to 5 groups (N=6): (CG): no clamping of the superior mesenteric artery (90 min.); (IR-SS): saline + ischemia (3...

Validation of an instrument regarding nursing intervention in patients in vasoactive therapy

Rev. bras. enferm; 70 (3), 2017
ABSTRACT Objective: to validate the content of a Standard Operational Procedure, regarding nursing interventions in emergency patients treated with vasoactive drugs. Method: methodological study, carried out from December 2015 to January 2016. Content validity was determined by 16 experts (13 nurses, 2...

Avoiding liver injury with papaverine and ascorbic acid due to infrarenal cross-clamping: an experimental study

Abstract Objective: Ischemia-reperfusion injury after acute ischemia treatment is a serious condition with high mortality and morbidity. Ischemia-reperfusion injury may result in organ failure particularly in kidney, lung, liver, and heart. In our study, we investigated the effects of papaverine and vit...

Effects of a Single Bout of Resistance Exercise in Different Volumes on Endothelium Adaptations in Healthy Animals

Arq. bras. cardiol; 108 (5), 2017
Abstract Background: Resistance exercise (RE) has been recommended for patients with cardiovascular diseases. Recently, a few studies have demonstrated that the intensity of a single bout of RE has an effect on endothelial adaptations to exercise. However, there is no data about the effects of different...

Treatment of digital ulcers in systemic sclerosis: Case series study of thirteen patients and discussion on outcome

Summary Introduction: In systemic sclerosis (SSc), digital ulcers (DU) are debilitating and recurrent. They are markers of prognosis and are associated with disability and mortality. Treatment strategies have been developed to block the proposed mechanisms of this complication. Objective: Clinical desc...

Distorsión morfológica isquémica de la onda T en la centellografía de perfusión miocárdica con estrés vasodilatador
Ischemic T wave distortion associated with vasodilator-stress myocardial perfusion imaging

Medicina (B.Aires); 77 (2), 2017
Los protocolos que utilizan vasodilatadores para inducir isquemia en la centellografía de perfusión miocárdica han demostrado una exactitud diagnóstica elevada e incidencia muy baja de complicaciones graves. Sin embargo, el significado fisiológico y valor diagnóstico de diversas alteraciones electr...