Thoracic Outlet Syndrom Testing and APG Online Workshop

Miguel Marhl | SOT Medical Systems miguel.marhl at sot-medical.com
Fri Sep 11 06:09:48 BST 2026


https://www.sot-medical.com

Dear

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A Look Back at Our MOH Connect Workshop

Together with the SIGVARIS GROUP (https://zoom.us/webinar/register/WN_M7eyj8u8QJ6fm1Fl44TlkQ#/registration) , we recently hosted an international MOH Connect workshop focusing on Air Plethysmography (APG) for functional venous assessment. Experts from around the world shared clinical insights and real-world cases on the assessment of venous drainage and reflux, as well as pre- and post-treatment evaluation.

🎥 The full workshop recording is now available online.
https://www.youtube.com/watch?v=LVQNBR9xbtU


** Watch the full session 👆 (https://www.youtube.com/watch?v=LVQNBR9xbtU)
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https://www.sot-medical.com/blog/how-to-screen-for-thoracic-outlet-syndrome-tos-a-step-by-step-guide/


** New at SOT Blog
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** How to Screen for Thoracic Outlet Syndrome (TOS) – A Step-by-Step Guide
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Thoracic Outlet Syndrome (TOS) is a complex condition caused by compression of nerves or blood vessels in the anatomical passage between the neck and shoulder. Because symptoms can be intermittent, position-dependent and similar to those of other musculoskeletal or neurological disorders, TOS can be difficult to recognize.

When vascular involvement is suspected, functional and positional vascular testing can provide valuable objective information about changes in blood flow during provocative maneuvers.


** What Is Thoracic Outlet Syndrome?
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The thoracic outlet is the narrow anatomical space between the lower neck and the armpit through which the brachial plexus, subclavian artery and subclavian vein pass toward the upper extremity.

Compression of these structures can result in three main forms of TOS:
* Neurogenic TOS – compression or irritation of the brachial plexus
* Venous TOS – compression of the subclavian vein
* Arterial TOS – compression of the subclavian artery


** When Should You Suspect TOS?
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The first step in screening is recognizing symptoms that may indicate neurovascular compression.

Depending on the structures involved, patients may report:
* Pain in the neck, shoulder or arm
* Numbness or tingling in the hand or arm
* Arm weakness or fatigue
* Swelling of the arm or hand
* Coldness or discoloration of the hand
* A feeling of heaviness in the arm
* Symptoms that occur or worsen when the arm is elevated or placed in a specific position

A particularly important clue is position-dependent symptoms. A patient may be relatively asymptomatic at rest but develop symptoms during arm elevation, shoulder depression or other specific movements.

This dynamic nature is one reason why a conventional examination at rest may not fully reveal the underlying problem.


** Why Is TOS Difficult to Diagnose?
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TOS can mimic several other conditions, including cervical spine disorders, peripheral nerve compression and musculoskeletal problems.

In addition, vascular compression may only occur when the patient adopts a particular posture. This means that blood flow can appear relatively normal in a resting position while becoming impaired during provocation.

There is therefore no single test that can independently diagnose TOS. Clinical assessment generally combines medical history, physical examination, provocative testing and, when indicated, vascular or imaging studies.


** How to Screen for Vascular TOS
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When arterial or venous involvement is suspected, the objective is to determine whether a specific position produces measurable vascular changes.

A practical vascular screening approach can be divided into four steps:


** Step 1 – Clinical Assessment
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** Step 2 – Perform Provocation Testing
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** Step 3 – Measure Blood Flow Changes Objectively
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** Step 4 – Evaluate the Measurement Parameters
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👉 Read more about the detailed steps and provocation samples in the article on the SOT Blog: https://www.sot-medical.com/blog/how-to-screen-for-thoracic-outlet-syndrome-tos-a-step-by-step-guide/


** More Insights (https://www.sot-medical.com/blog/)
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https://www.sot-medical.com/blog/how-to-perform-an-automated-abi-a-step-by-step-guide/

https://www.sot-medical.com/blog/how-to-perform-a-venous-function-test-a-step-by-step-guide/

https://www.sot-medical.com/blog/thoracic-outlet-syndrome-when-blood-flow-and-nerve-compression-become-a-hidden-problem/

https://www.sot-medical.com/blog/how-to-measure-toe-pressure-and-tbi-a-step-by-step-guide-for-reliable-vascular-assessment/


** Upcoming Events (https://www.sot-medical.com/events/)
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** 🇷🇴 65th National Congress of Cardiology Romania 2026
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September 16-19, 2026

The event brings together healthcare professionals with a focus on modern cardiovascular medicine, diagnostics, and patient care. It provides an opportunity to exchange knowledge and discuss current developments in cardiovascular health, from non-invasive diagnostics to interventional and surgical approaches. The event also supports professional education and scientific exchange within the cardiovascular community.

More informationhttps://kongress.dgim.dehere. (https://www.cardiologie.ro/en/)

https://dgg-jahreskongress.de


** 🇩🇪 42nd DGG Annual Conference 2026
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📍  Frankfurt, Germany
September 23-26, 2026

The Annual Congress of the German Society for Vascular Surgery and Vascular Medicine (DGG) is one of Germany’s leading scientific meetings dedicated to vascular surgery and vascular medicine.

More informationhttps://kongress.dgim.dehere. (https://dgg-jahreskongress.de)

https://asvs2026.com


** 🇮🇳 Asian Society of Vascular Surgery (ASVS) Annual Conference 2026
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📍  New Delhi, India
October 08-10, 2026

The ASVS 2026 Annual Conference brings together vascular and endovascular specialists from Asia and beyond for scientific exchange, innovation and collaboration. The conference features a comprehensive programme covering the latest developments in vascular and endovascular surgery, complemented by interactive workshops, live case demonstrations and research presentations. It also provides opportunities for young surgeons and healthcare professionals to connect with international experts and exchange clinical knowledge.

More informationhttps://kongress.dgim.dehere. (https://asvs2026.com)

https://angiologie-kongress.de


** 🇩🇪 DGA 2026 - Angiology Congress
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📍  Leipzig, Germany
October 15-17, 2026

The 55th Annual Meeting of the German Society for Angiology (DGA) and the 10th DGA Interventional Congress will take place from October 15–17, 2026, in Leipzig, focusing on current developments in angiology and vascular medicine. Under the theme “Men are different, women too,” the programme highlights gender-specific aspects of vascular medicine alongside current scientific and clinical topics, workshops and interdisciplinary sessions.

More informationhttps://kongress.dgim.dehere. (https://angiologie-kongress.de)

https://www.sot-medical.com/de/solution/


** AngE^™ AngioExperience
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** Arterial and Venous Vascular Diagnostics

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https://www.sot-medical.com/arterial-screening/


** Arterial Screening
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** Peripheral Arterial Disease - PAD
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Early detection of PAD and Diabetic Foot, independent of arterial stiffness.
Learn more > (https://www.sot-medical.com/arterial-screening/)

https://www.sot-medical.com/venous-screening/


** Venous Screening
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** Chronic Venous Insufficiency - CVI
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** Deep Vein Thrombosis - DVT
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Hemodynamic assessment of CVI and DVT in 3 minutes.
Learn more > (https://www.sot-medical.com/venous-screening/)

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