Recent Posts by Dani

Canalicular syndromes. FAQ

If I underwent a canalicular syndrome operetion, how long does it take, after surgery, to dissapear pain and tingling? Will I recover all the strength? In general, after a decompression surgery in a canalicular syndrome, painful nocturnal symptoms disappear early. The disappearance of the other associated sensory and motor symptoms vary depending on the clinical…
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Canalicular Syndromes Treatment

In the canalicular syndromes, medical history and physical examination of the patient are crucial, and often the patient must be explored several times to diagnose the degree of injury and the potential irreversibility of the injury. The correlation between clinical and neuropsychological tests is important, but must be assessed by the surgeon with clinical criteria.…
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Canalicular syndromes description

Pronator teres syndrome Entrapment of the median nerve at the proximal forearm anteriorly. Is rare. It is a sensitive affectation in the palm aspect of the first three fingers and a skin disorder of the thenar eminence.   Carpal tunnel syndrome Is the most common canalicular syndrome of the upper extremity. Is a compression of…
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Canalicular neurological injuries

Introduction Nerves are those anatomical structures ranging from the spinal cord to the muscles and other organs of the limbs. They are organized in different anatomical structures depending on the location they occupy in the limb. At the root of the limbs, when them emerge from the spinal cord, nerves form plexus that are branched,…
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Outlet thoracic syndrome. FAQ

From the extensive experience of Dr. Muset in the treatment of thoracic outlet syndrome in Muset Institute we want to solve the most frequent questions about this syndrome. If the compression that occurs in the thoracic outlet syndrome is due to a morphological issue and I have always had it, why it has not hurt…
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Thoracic outlet syndrome

It is defined as a brachial plexus and their escorting vascular structures compression, during their itinerary through the neck until they leave the thorax.

This pass is narrow because of its anatomical form, but occasionally rib variations may be found, that difficult neurovascular structures path. In addition, space size would change according to arm position or lifting weight.

There are two types of compression, permanent or static and intermittent or dynamic.

There are three troublesome áreas. Above clavicle there are 2 possible compression spaces; interscalenic triangle (with scalene muscles and first rib vertex) and costoclavicular space (between clavicle and first rib). Through this space passes the brachial plexus roots and the subclavian artery. In the infraclavicular portion there is a third space called subcoracoidal.

Patient will refer arm irradiated pain with finger numbness, nuisance, skin color and temperature changes. Occcassionally these symptoms degenerate when raising arms or carring heavy weight.

There are thee clinical kind of compressions, pure neurologic or pure vascular and mixed.

Diagnosis must be done by exclusión, rejecting other pathologies with same symptoms. Surgeon has to be attentive to it and having wide knowledge and experience in this situation, to make good surgical indication and surgical technique.

Differential diagnosis scheme should be:

- First motor neuron injury:  amyotrophic lateral sclerosis.

- Intraaxial injury: syringomyelia, poliomyelitis.

- Motor mononeuropaty: carpal tunnel syndrome, ulnar nerve compression in elbow.

Complete check must be done in the presence of clinical suspicion. Not only clinical provocation tests but also image and neurophysiological test to clarify diagnosis can be done.

Physiological and anthropomorphic factors are defined that influence in this syndrome appearance. Classical biotype is a long neck woman asthenic constitution, explaining scapular joint pain irradiating medial arm, with ulnar forearm numbness to hand and posible abductor pollicis brevis muscle athropy on tenar eminence.

What can surgery achieve?

With surgery we can decompress and release the nerve and vascular structures all along their path  through the neck and thorax, obliterating the pain, tingling and changes in skin color and temperature.

In case of cervical ribs, unilateral or bilateral, complete or incomplete to varying degrees, in addition to the neurovascular release, the cervical ribs should be disrupted and resected because the presence of these bony structures increases the reflection angle of the primary inferior trunk above the anterior face of the middle scalene muscle and that causes a nerve compression point in this area.

To know more:

Outlet thoracic syndrome. FAQ

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