Outcomes of various surgical techniques used in patients with closed traction injuries of the brachial plexus

Introduction Traumatic lesions of the brachial plexus and analysis of the outcomes of various surgical techniques in patients with this pathology are the relevant challenges in neurosurgery, neurology, traumatology, orthopedics and rehabilitation due to the high social and economic significance, incidence and poor short- and long-term outcomes in this cohort of patients. This study was aimed at comparing the outcomes of various surgical techniques in patients with closed injuries of the brachial plexus. Material and methods The study involved 96 patients with closed injuries of the brachial plexus divided into three groups according to the method of their surgical treatment. Patients of Group I (n = 33) underwent microsurgical neurolysis of their brachial plexus trunks; patients of Group II (n = 28) had microsurgical neurolysis of their brachial plexus trunks with stimulating multichannel electrodes implanted on the trunks of their brachial plexus; patients of Group III (n = 35) had microsurgical neurolysis with stimulating multichannel electrodes implanted on the trunks of their brachial plexus as well as the segmental spinal cord apparatus at the level of the cervical intumescence. The clinical status and functionality of the upper limb were assessed after 6 months with clinical and neurological tests, scoring methods, and electrophysiological monitoring. Results We analyzed the outcomes of various surgical techniques in patients with closed injuries of the brachial plexus to prove a significant improvement in the outcomes of Group III patients who featured a faster rate of pain regression in the injured upper limb as well as significantly positive changes in clinical, neurological and electrophysiological indicators. Discussion The reduction in the total regional pain syndrome and restoration of the affected limb function was more evident in Group III patients what supports the favor of microsurgical neurolysis in combination with two-level electrical stimulation for closed injuries of the brachial plexus. Conclusions The analysis of various surgical techniques in patients with closed injuries of the brachial plexus revealed a significant efficacy of microsurgical neurolysis in combination with electrostimulation of the injured nerve trunk and segmental spinal cord apparatus (Group III). It improves the outcomes in this cohort of patients

ILC Reference Design Report Volume 1 - Executive Summary

The International Linear Collider (ILC) is a 200-500 GeV center-of-mass high-luminosity linear electron-positron collider, based on 1.3 GHz superconducting radio-frequency (SCRF) accelerating cavities. The ILC has a total footprint of about 31 km and is designed for a peak luminosity of 2x10^34 cm^-2s^-1. This report is the Executive Summary (Volume I) of the four volume Reference Design Report. It gives an overview of the physics at the ILC, the accelerator design and value estimate, the detector concepts, and the next steps towards project realization.The International Linear Collider (ILC) is a 200-500 GeV center-of-mass high-luminosity linear electron-positron collider, based on 1.3 GHz superconducting radio-frequency (SCRF) accelerating cavities. The ILC has a total footprint of about 31 km and is designed for a peak luminosity of 2x10^34 cm^-2s^-1. This report is the Executive Summary (Volume I) of the four volume Reference Design Report. It gives an overview of the physics at the ILC, the accelerator design and value estimate, the detector concepts, and the next steps towards project realization

ILC Reference Design Report Volume 4 - Detectors

This report, Volume IV of the International Linear Collider Reference Design Report, describes the detectors which will record and measure the charged and neutral particles produced in the ILC's high energy e+e- collisions. The physics of the ILC, and the environment of the machine-detector interface, pose new challenges for detector design. Several conceptual designs for the detector promise the needed performance, and ongoing detector R&D is addressing the outstanding technological issues. Two such detectors, operating in push-pull mode, perfectly instrument the ILC interaction region, and access the full potential of ILC physics.This report, Volume IV of the International Linear Collider Reference Design Report, describes the detectors which will record and measure the charged and neutral particles produced in the ILC's high energy e+e- collisions. The physics of the ILC, and the environment of the machine-detector interface, pose new challenges for detector design. Several conceptual designs for the detector promise the needed performance, and ongoing detector R&D is addressing the outstanding technological issues. Two such detectors, operating in push-pull mode, perfectly instrument the ILC interaction region, and access the full potential of ILC physics

ILC Reference Design Report Volume 3 - Accelerator

The International Linear Collider (ILC) is a 200-500 GeV center-of-mass high-luminosity linear electron-positron collider, based on 1.3 GHz superconducting radio-frequency (SCRF) accelerating cavities. The ILC has a total footprint of about 31 km and is designed for a peak luminosity of 2x10^34 cm^-2 s^-1. The complex includes a polarized electron source, an undulator-based positron source, two 6.7 km circumference damping rings, two-stage bunch compressors, two 11 km long main linacs and a 4.5 km long beam delivery system. This report is Volume III (Accelerator) of the four volume Reference Design Report, which describes the design and cost of the ILC.The International Linear Collider (ILC) is a 200-500 GeV center-of-mass high-luminosity linear electron-positron collider, based on 1.3 GHz superconducting radio-frequency (SCRF) accelerating cavities. The ILC has a total footprint of about 31 km and is designed for a peak luminosity of 2x10^34 cm^-2 s^-1. The complex includes a polarized electron source, an undulator-based positron source, two 6.7 km circumference damping rings, two-stage bunch compressors, two 11 km long main linacs and a 4.5 km long beam delivery system. This report is Volume III (Accelerator) of the four volume Reference Design Report, which describes the design and cost of the ILC

International Linear Collider Reference Design Report Volume 2: PHYSICS AT THE ILC

This article reviews the physics case for the ILC. Baseline running at 500 GeV as well as possible upgrades and options are discussed. The opportunities on Standard Model physics, Higgs physics, Supersymmetry and alternative theories beyond the Standard Model are described.This article reviews the physics case for the ILC. Baseline running at 500 GeV as well as possible upgrades and options are discussed. The opportunities on Standard Model physics, Higgs physics, Supersymmetry and alternative theories beyond the Standard Model are described