Deep TMS Vs. rTMS: Which Is Right For You?
When seeking treatment for depression, patients often explore a range of therapies to find what works best. Transcranial Magnetic Stimulation (TMS) offers a promising solution for many, particularly when other treatments have proven ineffective.
Two primary forms of TMS are available: Deep Transcranial Magnetic Stimulation (Deep TMS) and repetitive Transcranial Magnetic Stimulation (rTMS). Knowing the differences between deep TMS vs. rTMS is essential to deciding which one may suit your needs best.
Mechanism and Technology: Deep TMS vs. rTMS
The core difference between Deep TMS and rTMS lies in their mechanism and technology. rTMS utilizes a figure-8 coil to deliver focused magnetic pulses to targeted brain regions. This precision is beneficial in treating specific areas associated with mood regulation. However, the magnetic field penetrates about 0.7 cm beneath the skull, limiting its reach.
In contrast, Deep TMS employs an H1 coil, which allows for a broader and deeper application of magnetic fields. This coil can stimulate areas of the brain that lie approximately 3.2 cm beneath the surface, reaching deeper brain structures involved in mood and emotional regulation.
Treatment Effectiveness: Which Therapy Is More Effective?
Research suggests that Deep TMS may bring a slight edge in terms of efficacy, especially for patients with treatment-resistant depression (TRD). For instance, clinical studies have shown that Deep TMS has a remission rate of 32.6%, with effectiveness climbing to 67% when combined with medication. In comparison, rTMS typically shows lower remission and response rates, although it still significantly relieves many patients.
The broader reach of Deep TMS is believed to contribute to its higher success rates, especially in patients with more severe or long-standing symptoms. Combining either form of TMS with individual and group therapy can further enhance the treatment outcome, offering patients neurological and psychological support.
Patient Comfort and Treatment Duration
The patient’s comfort during treatment is another critical factor when deciding between Deep TMS and rTMS. Both non-invasive treatments typically require no anesthesia, allowing patients to resume daily activities shortly after sessions. However, patients undergoing rTMS may experience discomfort due to the more focused delivery of magnetic pulses, which can result in side effects such as scalp tingling or headaches.
Deep TMS, with its broader field and continuous stimulation, brings a more comfortable experience. It minimizes the sensation of targeted pulses, making it easier for patients to tolerate. Additionally, Deep TMS treatments may be shorter than rTMS sessions, improving overall convenience. Both therapies generally last between 20-40 minutes per session, but the efficiency of Deep TMS may result in shorter sessions for some patients.
Response Rates and Long-Term Success
Deep TMS and rTMS offer long-term relief from depression, but studies suggest that Deep TMS may provide higher response rates, particularly in patients with moderate to severe depression. Research indicates that when paired with pharmacotherapy, Deep TMS produces a more robust response compared to rTMS.
While both therapies require a commitment to a structured treatment plan, the likelihood of achieving remission or significant symptom reduction may be higher with Deep TMS, especially for those with more resistant forms of depression.
Choosing the Right Treatment
At Wonder Years Psychiatric Services, we deliver both Deep TMS and rTMS, giving patients a choice in how they approach their mental health care. Our team will conduct a thorough assessment to determine which treatment option is right for you. If you’re struggling with depression and considering TMS, reach out to us to learn more about how we can help you find the best treatment path forward.
