conclusions this study highlights the close link between the role of the phrenic nerve and pulmonary function, such that the use of this nerve as a transfer donor leads to spirometric impairments. results all patients regained biceps power to m3 strength or above. none of our patients experienced pulmonary problems or respiratory complaints, but a significant reduction of spirometric parameters...

Phrenic nerve transfer is a major dynamic treatment used to repair brachial plexus root avulsion. We analyzed 72 relevant articles on phrenic nerve transfer to repair injured brachial plexus that were indexed by Science Citation Index. The keywords searched were brachial plexus injury, phrenic nerve, repair, surgery, protection, nerve transfer, and nerve graft. In addition, we performed neuroph...

BACKGROUND In the restoration of elbow flexion, the phrenic nerve has proven to be a good donor, but considering the role of the phrenic nerve in respiratory function, we cannot disregard the potential dangers of this method. OBJECTIVES In the current study, we reviewed the results of pulmonary function tests (PFT) in four patients who underwent phrenic nerve transfer. PATIENTS AND METHODS ...

Experimental rats with root avulsion of the brachial plexus upper trunk were treated with the improved C3-4 transfer for neurotization of C5-6. Results showed that Terzis grooming test scores were significantly increased at 6 months after treatment, the latency of C5-6 motor evoked potential was gradually shortened, and the amplitude was gradually increased. The rate of C3 instead of C5 and the...

Recovery after surgical reconstruction of a brachial plexus injury using nerve grafting and nerve transfer procedures is a function of peripheral nerve regeneration and cerebral reorganization. A 15-year-old boy, with traumatic avulsion of nerve roots C5-C7 and a non-rupture of C8-T1, was operated 3 weeks after the injury with nerve transfers: (a) terminal part of the accessory nerve to the sup...

The relationship between the anatomy and neurochemistry of neurons in the ventral medulla oblongata in regions that is responsible for cardiovascular, airways, and respiratory regulation was investigated. Microinjections of excitant amino acid (glutamate, 100 nl, 100 mM) were made throughout the ventral medulla in anesthetized rats. Arterial blood pressure, sympathetic nerve activity and phreni...

Nerve transfers have been well described for the treatment of congenital and traumatic injuries in the brachial plexus and extremities. This series is the first to describe nerve transfers to reanimate the diaphragm in patients confined to long-term positive pressure ventilation because of high cervical spine injury. Patients who have sustained injury to the spinal cord at the C3 to C5 level su...

The relationship between the anatomy and neurochemistry of neurons in the ventral medulla oblongata in regions that is responsible for cardiovascular, airways, and respiratory regulation was investigated. Microinjections of excitant amino acid (glutamate, 100 nl, 100 mM) were made throughout the ventral medulla in anesthetized rats. Arterial blood pressure, sympathetic nerve activity and phreni...

A 49-year-old woman underwent cryoballoon pulmonary vein isolation for paroxysmal atrial fibrillation. Right phrenic nerve palsy developed during submaximal phrenic nerve stimulation. Despite the inability to stimulate the phrenic nerve with pacing, diaphragmatic excursion during inspiration was preserved. This case demonstrates that submaximal threshold stimulation allows detection of early ph...