Thailand Medical Researchers Discover Hidden Vascular Dangers in Early Scleroderma
Nikhil Prasad Fact checked by:Thailand Medical News Team Mar 29, 2026 1 hour, 51 minutes ago
Thailand Medical: A new long-term study from Thailand is shedding light on a hidden but dangerous complication affecting people with early systemic sclerosis, also known as scleroderma. While the condition is widely recognized for skin thickening and organ involvement, this research reveals that blood vessel damage can quietly develop early and significantly increase the risk of death.
Hidden blood vessel damage in early scleroderma may sharply raise death risk within just a few years
Understanding the Disease and Its Risks
Systemic sclerosis is an autoimmune disease that causes the body to attack its own tissues, leading to scarring and damage in the skin, blood vessels, and internal organs. One of its most dangerous features is damage to blood vessels, which can reduce blood flow and lead to serious complications such as heart disease, stroke, and even tissue death in the fingers or toes.
The study, conducted by
Thailand Medical researchers from the Division of Rheumatology and Division of Cardiology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, and the Division of Diagnostic Radiology, Department of Radiology, Faculty of Medicine, Chiang Mai University, followed patients for over a decade to better understand how these vascular complications develop.
What the Study Found
The research tracked 146 patients with early-stage systemic sclerosis over an average of eight years. Despite being considered “early disease,” about 11.6 percent of patients developed serious ischemic vascular complications. These included coronary artery disease, ischemic stroke, and digital gangrene, which is tissue death due to lack of blood flow.
According to the study data, 17 patients developed such complications, with digital gangrene being the most common. The median time for these complications to appear was just two years after the disease began, highlighting how quickly risks can escalate.
The overall rate of these complications was relatively low at 1.44 cases per 100 person-years, but their impact was severe. Patients who developed these complications had a significantly higher death rate—over 50 percent—compared to those without them.
Key Warning Signs Identified
One of the most important aspects of this Medical News report is the identification of early warning signs that could help doctors predict which patients are at higher risk.
The study found that patients who had digital ulcers or traumatic skin wounds early in their disease were much more likely to develop serious vascular issues later. These seemingly minor skin problems may actually reflect deeper blood vessel damage.
Heart-related indicators were also critical. Patients with reduced heart pumping ability (measured as left ventricular ejection fraction below 50 percent), irregular heart rhythms such as atrial fibrillation, and elevated level
s of a blood marker called pro-BNP were all at significantly higher risk.
The study also showed that these risk factors were significantly more common in patients who later developed complications, reinforcing their importance as early warning signs.
Different Complications, Different Risks
The study further revealed that different complications have distinct risk factors. For example, coronary artery disease was strongly linked to high cholesterol levels and elevated pro-BNP. Stroke risk was mainly associated with atrial fibrillation and high pro-BNP levels, while digital gangrene was tied to skin ulcers and reduced heart function.
Interestingly, traditional risk factors like diabetes, smoking, and high blood pressure were not significantly different between patients with and without complications. This suggests that systemic sclerosis itself plays a major role in driving these risks, rather than conventional cardiovascular risk factors alone.
Why These Findings Matter
This research is particularly important because it focuses on early-stage disease, a period when intervention may be most effective. The findings suggest that careful monitoring of skin ulcers, heart function, and specific blood markers could help doctors identify high-risk patients sooner and potentially prevent life-threatening complications.
Conclusion
The study clearly shows that even in its early stages, systemic sclerosis can lead to serious and life-threatening vascular complications. Although these complications are relatively uncommon, their consequences are severe, especially in terms of increased mortality. Early warning signs such as digital ulcers, abnormal heart function, atrial fibrillation, and elevated pro-BNP levels provide crucial insights into which patients may be at greatest risk. Recognizing these signals early can enable doctors to implement closer monitoring and timely interventions, potentially improving survival outcomes and reducing complications. Overall, the findings highlight the importance of early detection and proactive management in patients with systemic sclerosis.
The study findings were published in the peer reviewed Journal of Clinical Medicine
https://www.mdpi.com/2077-0383/15/7/2575
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