IgG4ward! Blog Series: Taking care of your heart
Taking care of your heart
IgG4-related disease, treatment, and emotional well-being
By Katharine Provencher, Director of Advocacy and Community Engagement at IgG4ward!
February often brings reminders about hearts and love. It can also be a meaningful time to reflect on another kind of heart care, the kind that supports emotional and physical health during chronic illness.
IgG4-related disease (IgG4-RD) affects more than the organs it involves. It changes routines, relationships, and how daily life feels. For many people in the IgG4-RD community, including patients and caregivers, the impact is felt deeply in the heart.
In this conversation, “heart” refers to both cardiovascular health and emotional health. It includes stress, fear, hope, resilience, and the physical effects of long-term inflammation and treatment. The heart carries more than symptoms.
The emotional impact of IgG4-related disease
IgG4-RD often requires ongoing monitoring and adjustments in care. Many individuals experienced a long path to diagnosis. Even after diagnosis, explaining the condition to others can take energy.
Uncertainty is common. Symptoms may shift, flares may occur, treatment plans may change. Even during stable periods, quiet concern can remain in the background. Chronic stress affects more than mood. It can influence sleep, energy levels, blood pressure, and overall cardiovascular health. Over time, the body may remain tense and fatigued.
Acknowledging this connection matters. Emotional strain is not separate from physical health. It is part of it.
As Dr. Stone, a leading physician in IgG4-RD and the Executive Chairman of the IgG4ward! Foundation explains:
"More than 100 years ago, a famous Harvard clinician – Dr. Francis Peabody – wrote that “The secret to patient care is caring for the patient”. This really means the whole patient: not just the pathology report, imaging findings, and laboratory results. Caring for an IgG4-RD patient means educating the patient and his family about the condition and addressing the emotional aspects of living with a chronic disease for which there may seem to be no roadmap. It also means helping them get access to the right types of treatment that will control their disease and prevent damage to organs.
The complexity of this multi-organ disease means that there is “no one size fits all” approach that is likely to be effective over the long term. We can only be successful if we gain an understanding what every patient needs in terms of both physical and emotional treatment."
Treatment, glucocorticoids, and heart health
Treatment for IgG4-RD is often necessary to control inflammation and prevent organ damage. Many patients are prescribed glucocorticoids (“steroids”), such as prednisone, particularly during active disease or flares.
In addition to glucocorticoids, other therapies may be part of a treatment plan based on disease activity and organ involvement. These can include B cell targeted biologic medications, as well as other immunosuppressive medications that help control disease and reduce reliance on long-term steroids.
When steroids are used long term or at higher doses, careful monitoring becomes especially important. Extended steroid use can influence blood pressure, cholesterol levels, blood sugar, weight, and fluid balance. Over time, these changes may increase cardiovascular risk if not monitored appropriately.
This does not mean treatment should be avoided. For many individuals, treatment helps control disease activity. It does mean that heart health, including blood pressure, cholesterol, and blood glucose, should remain part of ongoing conversations with healthcare providers.
When progress brings relief
When living with IgG4-RD, not every chapter is defined by strain, and it is important to acknowledge that.
There are days, hopefully many, when symptoms improve. Lab results stabilize. Imaging shows no progression. A new therapy works. A glucocorticoid taper succeeds. Remission becomes possible. These milestones matter.
When inflammation and disease is controlled and treatment plans stabilize, there is often a decrease in emotional stress. Mood and sleep may improve, energy can return, and the body relaxes.
Even small signs of progress can positively affect both emotional well-being and cardiovascular health. Relief and hope are not abstract. They both have real effects on the body. Connection also makes a difference. Meeting someone else who understands IgG4-RD, without lengthy explanations, can reduce isolation and strengthen resilience. The heart responds not only to stress, but also to stability and belonging.
The caregiver’s heart
As a caregiver myself, it is important for me to recognize the impact the disease may have on the caregiver as well. Caregivers feel these shifts also.
Supporting someone through appointments, treatment decisions, and symptom changes requires steady attention. Caregivers often carry quiet concern while focusing on the needs of their loved one. Over time, stress can show up physically as fatigue, body tension, or disrupted sleep.
When stability returns, caregivers often feel measurable relief. Caring for your own emotional and cardiovascular health strengthens your ability to continue supporting someone you love.
About the Author
Katharine Provencher
Director of Advocacy and Community Engagement, IgG4ward Foundation
Katharine Provencher is Director of Advocacy and Community Engagement at the IgG4ward Foundation and a clinical social worker. She is dedicated to supporting patients, caregivers, and clinicians within the IgG4-related disease community through education, advocacy, and whole-person care.