What is venous thoracic outlet syndrome?
Venous thoracic outlet syndrome (VTOS) is a condition where the subclavian vein, which carries blood from the arm to the heart, is compressed.
Sports / MLB
Philadelphia Phillies' star pitcher Zack Wheeler will miss the remainder of the 2025 season. After undergoing a procedure to remove a blood clot, he has been diagnosed with venous thoracic outlet syndrome and requires thoracic outlet decomp...
Zack Wheeler's diagnosis of venous thoracic outlet syndrome (VTOS) marks a challenging moment for both the player and the Philadelphia Phillies. VTOS occurs when the subclavian vein, which carries blood from the arm to the heart, is compressed. This compression can lead to blood clot formation, as was the case with Wheeler.
The initial treatment involved a thrombolysis procedure to remove the blood clot. However, the underlying issue of the compressed vein necessitates more invasive intervention: thoracic outlet decompression surgery. This surgery aims to relieve pressure on the subclavian vein.
Dr. Michael Lieb, a vascular surgeon, explained that thrombolysis involves using catheters to remove the clot, followed by several months of blood thinners and rest to prevent recurrence. The recovery timeline of 6-8 months means Wheeler will be sidelined for the rest of the 2025 season and potentially part of the next.
Impact on the Phillies: Wheeler's absence significantly impacts the Phillies' pitching rotation. Manager Rob Thomson expressed confidence in the remaining staff, including Cristopher Sánchez, Ranger Suárez, Taijuan Walker, and Jesús Luzardo. Aaron Nola's recent return from injury provides a boost, but filling Wheeler's role as the anchor of the rotation will be a difficult task.
Venous thoracic outlet syndrome (VTOS) is a condition where the subclavian vein, which carries blood from the arm to the heart, is compressed.
The typical recovery time is 6-8 months.
The Phillies will rely on pitchers like Cristopher Sánchez, Ranger Suárez, Taijuan Walker, and Jesús Luzardo to fill the void.
What do you think of the Phillies' chances without Wheeler? Let us know in the comments below!
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