The lesion of distal arteries in patients with thrombangiitis obliterans happened to looking for nondirect methods of blood supply improvement of the involved limb - transplantation of omental pedicle, arterialization of veins, thoracic sympathectomy, etc. From 1986 in the Department of vascular surgery of A. V. Vishnevsky Institute of Surgery we use method of arterialization of the venous system in patients with critical lower limb ischemia of differ etiology. Practically at the same time we applied this operation for patients with critical upper limb ischemia and thrombangiitis obliterans. In this paper we present our successful experience of 5 operations - arterialization of the hand venous system in 4 patients with thrombangiitis obliterans and critical upper limb ischemia. We reviewed in details the technique of performance of arterialization of the hand venous system and studied the long-term results of the treatment.
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J Neuroendocrinol
January 2025
Department of Psychology, Columbia University, New York, New York, USA.
Among contributors to diffusible signaling are portal systems which join two capillary beds through connecting veins. Portal systems allow diffusible signals to be transported in high concentrations directly from one capillary bed to the other without dilution in the systemic circulation. Two portal systems have been identified in the brain.
View Article and Find Full Text PDFAesthet Surg J
January 2025
Plastic surgeon in private practice, Guadalajara, México.
Background: Autologous fat grafting in the buttocks has gained great popularity However, one of the main risks is infiltration of fat into the systemic venous system, leading to potential complications such as macroscopic fatty embolism (MAFE), which can be fatal.
Objectives: This study evaluated the safety and efficacy of the LiRi (Linear Retrograde infiltration) for autologous fat grafting in the buttocks, and its evolution over a six-month follow-up period.
Methods: The procedure was performed in 114 patients.
J Cardiothorac Surg
January 2025
Department of Cardiothoracic Surgery, Aalborg University Hospital, Hobrovej 18-22, Aalborg, 9000, Denmark.
Background: The outcome of coronary artery bypass grafting (CABG) depends on several factors, including the quality of the distal anastomoses to the coronary arteries. Early graft failure may be caused by, e.g.
View Article and Find Full Text PDFJ Neurosurg Case Lessons
January 2025
Department of Neurosurgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan.
Background: Cases of congenital disorders of glycosylation (CDGs) are rare, and the occurrence of hemorrhagic infarction is also rare. The etiology is unclear.
Observations: A 3-year-old Asian boy with CDG type 1A was hospitalized with pneumonia.
J Comput Assist Tomogr
November 2024
From the Carl E. Ravin Advanced Imaging Labs, Center for Virtual Imaging Trials, Department of Radiology.
Objective: Patient characteristics, iodine injection, and scanning parameters can impact the quality and consistency of contrast enhancement of hepatic parenchyma in CT imaging. Improving the consistency and adequacy of contrast enhancement can enhance diagnostic accuracy and reduce clinical practice variability, with added positive implications for safety and cost-effectiveness in the use of contrast medium. We developed a clinical tool that uses patient attributes (height, weight, sex, age) to predict hepatic enhancement and suggest alternative injection/scanning parameters to optimize the procedure.
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