Publications by authors named "Isaak Portnoy"

Article Synopsis
  • The study aimed to evaluate the effectiveness of ultrasound-guided brachial plexus blocks using supra- and infraclavicular and axillary approaches for surgical anesthesia below the shoulder, regardless of the patient's body mass index (BMI).
  • A total of 101 patients were randomized into three groups for comparison, and the research found no significant differences in anesthesia quality, discomfort, or performance time between the approaches.
  • The results indicate that all three block techniques provide similar surgical anesthesia effectiveness, with minor variations in performance time and no major adverse effects noted, apart from a few cases of transient Horner syndrome.
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Combined cervicothoracical vascular traumas are very uncommon, mostly resulting from penetrating injuries. These injuries are accompanied with very high morbidity and mortality rates. In this manuscript we present a case of hemodinamycally unstable trauma patient whose major injury was penetrating trauma of both cervical and mediastinal major vessels.

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Background: The ischemic "steal" syndrome complicates angio-access in a growing number of hemodialysed patients. Until now, operative attempts (fistula ligation or banding) to treat this problem have met with only limited success.

Objective: To assess the results of DRIL (distal revascularization-interval ligation) procedure in treating the "steal" syndrome.

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