Transfemoral TAVI has become the treatment of choice for patients with severe aortic stenosis who face elevated surgical risk, and its use is steadily expanding into lower-risk populations. The procedure involves threading a collapsible replacement valve through the femoral artery to the heart, a route that demands large-bore sheaths, often 14 French or larger, to deliver the prosthesis. In the technique’s early years, major vascular complications occurred in roughly 15 percent of patients, a figure that made the femoral access site the most dangerous few centimetres of the entire operation. The protection wire technique, introduced in 2010, was conceived as an insurance policy: an additional guidewire placed via the ipsilateral or contralateral femoral artery, providing immediate endovascular access for percutaneous bailout if catastrophic injury occurred at the primary puncture site.

But the landscape has shifted dramatically since 2010. Lower-profile delivery systems, ultrasound-guided puncture, refined vascular closure strategies, and the growing use of transradial secondary access have pushed major vascular complication rates below 2 percent in low-risk populations. Against that backdrop, the protection wire has begun to look less like a safety net and more like a source of its own problems, because it requires an additional arterial puncture that must itself be managed, compressed, and closed. The Mainz team, led by Marc Adrian Rogmann and Martin Geyer, exploited a natural experiment embedded in their institutional practice: until November 2021, protection wire placement was standard of care for every transfemoral TAVI, after which the wire was abandoned except in operator-selected high-risk cases.

The results were striking. The composite of minor and major vascular complications, classified according to the Valve Academic Research Consortium-3 criteria, occurred in 18.6 percent of patients in the routine protection wire era compared with just 10.8 percent after the protocol change, a difference that was highly statistically significant. Major vascular complications were numerically less frequent without routine wire use, at 2.5 percent versus 4.2 percent, and in-hospital mortality was low and comparable between the two groups, at 2.3 percent and 2.8 percent respectively. Most tellingly, 34.8 percent of all access-related vascular complications in the routine wire group were directly attributable to the protection wire access itself, with the vast majority being minor bleedings at the ipsilateral distal femoral puncture site.

The technical explanation for this pattern is instructive. The protection wire access point, typically a small distal puncture through a 4 French sheath, is not covered by the primary closure device or the pressure dressing applied at the main access site. The researchers propose that many of these injuries arose not from technically inadequate punctures but from insufficient haemostatic compression at a site that the standard closure routine simply overlooks. In the routine wire group, 80.1 percent of protection wires were positioned ipsilaterally, meaning two punctures in the same femoral artery, one of which received far less haemostatic attention. The wire was actively used for intervention in only 25 cases, or 3.1 percent of the routine group, suggesting that the insurance policy paid out far less often than it cost in collateral injury.

Bleeding metrics reinforced the picture. Type 1 and type 2 bleedings under the VARC-3 classification occurred significantly less often without routine wire placement, at 3.3 percent versus 6.1 percent and 3.3 percent versus 7.6 percent respectively. The median haemoglobin drop was smaller in the wire-free era, decreases greater than 3 grams per decilitre were less frequent, and post-procedural haemoglobin values were slightly higher. Procedural times were marginally shorter without the wire, fluoroscopy times were essentially identical, and blood transfusion rates remained low and comparable, indicating that omitting the wire imposed no penalty on procedural efficiency or safety rescue capability.

In a multivariable logistic regression model covering 1,417 patients, the absence of a routine protection wire was independently associated with a lower risk of vascular complications, with an odds ratio of 0.52 and a 95 percent confidence interval of 0.38 to 0.72. Female sex emerged as an independent predictor of increased risk, with an odds ratio of 1.82, consistent with prior evidence attributing the excess to smaller vessel diameters and greater vessel fragility. The closure strategy also mattered: a combination of two suture devices plus one plug-based device was associated with higher odds of complications than suture-only closure, although the authors caution that this combination was typically deployed as a rescue when primary suture haemostasis failed, introducing confounding by indication that limits generalisation.

The findings sit in tension with the SURF-TAVR registry, the largest multicentre study of protection wire use to date, which reported fewer major vascular complications with routine wire placement, at 1.1 percent versus 2.4 percent. The Mainz authors point to important procedural differences: their routine wire era relied exclusively on angiographic rather than ultrasound-guided puncture, their secondary access was predominantly transradial rather than femoral, and their wire placement was overwhelmingly ipsilateral. Both studies, however, converge on one consistent message: overall vascular complication rates were higher with routine protection wire use, driven mainly by minor secondary-access injuries. The authors are candid about the limitations of their before-and-after design, acknowledging that calendar time, evolving case mix, and concurrent refinements in technique cannot be fully disentangled from the wire strategy itself, and that a prospective randomised trial would be needed to isolate the effect.

Nevertheless, the study’s strengths lend it weight. All patients were included consecutively, outcomes were assessed with standardised VARC-3 definitions, and the systematic documentation of complications by individual access site offers a granularity that multicentre registries cannot match. As TAVI continues its expansion into broader and lower-risk populations, the message from Mainz aligns with the broader minimalist turn in structural heart intervention: minimise access burden, favour ultrasound-guided puncture, choose closure devices carefully, and reserve the protection wire for the individual patients whose anatomy and risk profile genuinely warrant it. In contemporary practice, the best safety wire may be the one you never place.

Subject of Research: Impact of routine versus selective femoral protection wire use on vascular complications in transfemoral TAVI

Article Title: Routine versus selective use of a femoral protection wire in transfemoral TAVI: a single-centre analysis of vascular complications

Article References: Rogmann, M. A., Klingemann, V., Meertens, M., Ahoopai, M., Rommel, K.-P., Lurz, P., von Bardeleben, R. S., & Geyer, M. (2026). Routine versus selective use of a femoral protection wire in transfemoral TAVI: a single-centre analysis of vascular complications. Clinical Research in Cardiology. https://doi.org/10.1007/s00392-026-03015-0

Image Credits: AI Generated

DOI: 10.1007/s00392-026-03015-0

Keywords: TAVI, vascular complications, protection wire, femoral access, VARC-3, transcatheter aortic valve implantation, vascular closure devices, transradial access, aortic stenosis, bleeding events, interventional cardiology, Routine

The heart of the study lies in its statistical rigor, combing through numerous studies to assess not only how common depression is among elderly patients undergoing transcatheter aortic valve implantation (TAVI) but also to examine how this mental health condition evolves over time—an aspect frequently neglected in the cardiology literature. Depression is known to exacerbate physical ailments, leading to poorer health outcomes, increased hospitalizations, and even higher mortality rates. This interconnected landscape of physical and mental health makes it essential to understand the psychological ramifications of severe heart conditions such as aortic stenosis.

Research has shown that the prevalence of depression among older adults is alarmingly high, with some studies suggesting that up to 30% of individuals with significant heart disease may suffer from depressive episodes. However, data specific to those with aortic stenosis undergoing TAVI is scant. This study fills a crucial gap by synthesizing information on this unique patient population who often face compounded challenges—cognitive decline, multiple comorbidities, and now the additional burden of mental health issues associated with their heart condition.

Moreover, the systematic review contextually positions these findings within the broader framework of heart disease and mental health. Understanding the intersection between these domains can enable healthcare providers to adopt a more holistic approach to patient care. This involves not only addressing the physiological aspects of heart disease but also recognizing and treating mental health disorders, thereby fostering a more integrated healthcare model.

Implementation of such a model is particularly pressing given that TAVI has become an increasingly common procedure aimed at improving the quality of life for patients with aortic stenosis. The procedure, which involves replacing the narrowed valve through a catheter, has shown promising results in alleviating the physical symptoms associated with heart failure. Yet, what remains under-explored is how these physiological improvements correlate with psychiatric outcomes. Therefore, the researchers’ emphasis on both the prevalence and course of depression is timely and critically important for improving overall patient outcomes.

The selective methodology employed in the review was comprehensive, incorporating studies from various geographic locations and healthcare settings, which enhances the generalizability of the findings. By applying meta-analytic techniques, the researchers could aggregate results across studies, thus providing a more nuanced understanding of the rates and trajectory of depression among this specific patient population. This quantitative analysis enhances the credibility of the findings, making the case for the need for routine mental health screening in cardiology settings.

Another compelling dimension of the study is its implications for clinical practice. As more cardiologists become aware of the intertwining between mental and cardiac health, they can begin shifting their therapeutic approaches accordingly. This necessitates not only education but also system-wide changes in how patient care is coordinated, which may involve closer collaboration with mental health professionals. Patients who undergo TAVI should ideally receive a comprehensive evaluation that considers both their physical and psychological health to optimize recovery and rehabilitation.

The narrative surrounding depression in older adults with aortic stenosis is complex and layered. Commonly, feelings of hopelessness and anxiety can impede rehabilitation and the adoption of a heart-healthy lifestyle post-surgery. Patients grappling with these emotional struggles may find it challenging to participate in essential aftercare programs, depriving them of the full benefits of TAVI. Thus, the emotional landscape is integrally tied to physical recovery, demonstrating why mental health needs to be at the forefront of cardiac care strategies.

The researchers advocate for robust screening tools and protocols that can be integrated into routine pre- and post-operative assessments for TAVI patients. This approach not only acknowledges the psychological burden but also equips healthcare teams to provide targeted interventions, such as counseling or medication when necessary. Such frameworks can enhance overall patient engagement, directly impacting long-term health outcomes and quality of life.

In conclusion, the study authored by Maschke, Mons, and Lohner presents an urgent call to action for the healthcare community. As the population ages and more individuals are diagnosed with aortic stenosis, the convergence of mental health and cardiac care must be prioritized. This systematic review provides a crucial foundation for future research that can further explore the interplay between these domains, paving the way for a more nuanced understanding of how to treat and support this vulnerable patient population effectively.

In the burgeoning landscape of cardiovascular health, integration of mental health support for patients is no longer optional but essential. By recognizing the prevalence of depression among those with aortic stenosis and advocating for systemic changes, this research highlights a pathway toward more compassionate and effective patient care—aligning physical recovery with emotional well-being for a more holistic approach to health in older adults.

Subject of Research: Prevalence and course of depression in older people with aortic stenosis undergoing transcatheter aortic valve implantation.

Article Title: Prevalence and course of depression in older people with aortic stenosis undergoing transcatheter aortic valve implantation – a systematic review and meta-analysis.

Article References:

Maschke, V., Mons, U. & Lohner, V. Prevalence and course of depression in older people with aortic stenosis undergoing transcatheter aortic valve implantation – a systematic review and meta-analysis. BMC Geriatr 25, 756 (2025). https://doi.org/10.1186/s12877-025-06402-w

Image Credits: AI Generated

DOI:

Keywords: Mental health, aortic stenosis, transcatheter aortic valve implantation, elderly patients, depression prevalence.