Emergency Interventional Radiology Moves From Last Resort to Frontline Strategy

Interventional radiology is quietly rewriting the rules of emergency medicine. In a sweeping editorial published in Frontiers in Radiology, Francesco Tiralongo of the University Hospital Policlinico G. Rodolico-San Marco in Catania and Roberto Minici of Magna Graecia University in Catanzaro argue that the image-guided procedures once requested only when everything else has failed should now be considered a frontline clinical strategy. Drawing on seventeen contributions gathered in a dedicated Research Topic spanning hemorrhagic, neurovascular, oncologic and percutaneous interventions, the editors describe a specialty that can control catastrophic bleeding, restore blood flow to the brain, preserve damaged organs and rescue patients from complications of other treatments, all through pinholes in the skin rather than large surgical incisions. The unifying message is striking: emergency interventional radiology is no longer merely a technical service bolted onto the end of a treatment pathway, but a genuine management strategy that may be definitive, adjunctive, preventive or temporizing depending on what the patient needs and when.

The core technical appeal of interventional radiology lies in its ability to compress diagnosis and therapy into a single pathway. Using real-time fluoroscopy, computed tomography or ultrasound guidance, the interventionalist threads catheters through the vascular system, identifies the source of a problem and treats it on the spot. In a bleeding patient, this means angiography can locate the ruptured vessel and embolization, the deliberate occlusion of that vessel with coils, particles or liquid agents, can stop the hemorrhage within minutes. The physiological burden is far lower than open surgery: no general anesthetic laparotomy, no large tissue exposure, less blood loss, and often faster recovery. Yet the editors point out a conceptual problem that has lingered for decades. Trauma guidelines routinely fold angiography and embolization into so-called non-operative management, alongside simple observation. The World Society of Emergency Surgery guidelines, for example, describe non-operative management of splenic injury as ranging from observation to angiography and angioembolization, and recommend angioembolization as a possible first-line intervention in hemodynamically stable patients with arterial blush on imaging. But embolization is emphatically not observation. It is an active, invasive, image-guided treatment with its own indications, timing rules, technical endpoints, risks and rescue pathways.

To resolve this ambiguity, Tiralongo and Minici propose a three-pillar framework built on a new term: Interventional Management. Under this scheme, non-operative management would retain its traditional meaning of observation and supportive treatment without procedural intervention; interventional management would designate active, image-guided therapy; and operative management would mean surgical control. The pillars are not mutually exclusive. A single trauma patient may move between them, or receive them in sequence, within one resuscitation pathway: initial observation, then embolization of a leaking splenic artery, then surgery if physiology continues to deteriorate. The editors stress that the intention is not to rewrite established guideline nomenclature but to sharpen clinical thinking, recognizing interventional radiology as a distinct therapeutic domain capable of complementing, preceding, avoiding or following surgery. The question the editors want clinicians to ask is no longer simply whether a patient should have surgery or not, but which combination and sequence of supportive, interventional and operative strategies achieves the safest and fastest control of a life-threatening process.

The clearest expression of this shift is a concept called Damage Control Interventional Radiology, or DCIR. First introduced within the PRESTO paradigm, a time-conscious approach for severely bleeding trauma patients, DCIR applies the philosophy of damage control surgery to endovascular treatment. It emphasizes early activation of the interventional team, rapid identification of the dominant bleeding source, deliberately simplified and effective hemostatic techniques, and physiological stabilization prioritized over anatomical perfection. In practice, that may mean accepting a slightly less elegant embolization that stops the bleeding in fifteen minutes rather than pursuing a super-selective occlusion that takes an hour the patient does not have. More recently, Ascenti and colleagues described DCIR as a bridge between non-operative management and damage control surgery, questioning its classification as simply another component of conservative care. The distinction is more than semantic. It places the interventional radiologist inside the early treatment team alongside emergency physicians, trauma surgeons, anesthesiologists and intensivists, rather than at the end of an escalation ladder that is only climbed after conservative management has already failed.

Several studies in the Research Topic show endovascular treatment migrating from rescue therapy to strategically earlier intervention. Martinez and colleagues challenge the persistent perception of embolization as a last resort for posterior epistaxis, severe nosebleeds that do not respond to packing, emphasizing its feasibility and safety while warning that meticulous angiographic assessment is essential because of complex vascular anatomy and potentially dangerous anastomoses connecting extracranial vessels to those supplying the eye and brain. Zhong and colleagues, studying 116 patients with non-variceal gastrointestinal bleeding, compared selective and super-selective transcatheter arterial embolization, in which the embolic agent is delivered either to a main arterial branch or deep into the fine vessels at the bleeding point. In upper gastrointestinal bleeding, super-selective embolization was associated with a lower rate of early rebleeding, while the lower gastrointestinal subgroup highlighted the ongoing importance of ischemic risk and careful embolic agent selection. The lesson is a central principle of emergency interventional radiology: success is not simply occluding an artery, but achieving hemostasis at the right anatomical level while preserving viable tissue whenever possible.

Prevention is an equally important frontier. Tiralongo and colleagues examined prophylactic transarterial embolization after successful endoscopic hemostasis in high-risk non-variceal upper gastrointestinal bleeding. Although the available evidence does not support routine prophylactic embolization for everyone, selected patients with unfavorable clinical and anatomical characteristics may benefit from an early strategy aimed at preventing rebleeding and reducing the need for surgical rescue. Wang and colleagues explored a comparable preventive concept in patients with small acute epidural hematomas and skull fractures involving meningeal vascular structures. Every patient had angiographically demonstrated injury to the middle meningeal artery, the vessel most often responsible for these collections. After embolization of that artery, no hematoma expansion was observed and craniotomy, the traditional open operation, was avoided in all cases. In both settings the interventional team deployed treatment before clinical failure occurred rather than reacting to it, a risk-adapted preventive posture that the editors believe will become increasingly relevant as patient selection improves.

Acute traumatic and iatrogenic hemorrhage remains the specialty’s proving ground, and the technical sophistication on display is considerable. Garducci and colleagues reported transcatheter arterial embolization using n-butyl cyanoacrylate metacryloxysulfolane, a fast-curing liquid adhesive, in 54 patients with traumatic or iatrogenic non-visceral arterial bleeding. Technical success was achieved in every single procedure and clinical success in 85.2 percent, with no procedure-related deaths, major complications or off-target embolization. Beyond the specific embolic agent, the study illustrates the practical demands of emergency embolization: fluency with multiple materials, rapid adaptation to unpredictable vascular anatomy and flow patterns, management of coagulopathy in shocked patients, and a constant balancing act between selectivity and the urgency of hemorrhage control. In the neurovascular arena, Quiceno-Ramirez and colleagues compared endovascular coiling with surgical clipping for ruptured intracranial aneurysms in a real-world cohort; hierarchical analysis favored coiling for in-hospital outcomes, though attenuation after multivariable adjustment appropriately underlines the primacy of patient selection rather than intrinsic superiority of either technique.

The breadth of the field extends well beyond stopping bleeds. Pena Giraldo and colleagues described mechanical thrombectomy with a NeVa stent retriever in severe cerebral venous sinus thrombosis accompanied by neurological deterioration, achieving near-complete recanalization and favorable short-term functional recovery. Sun and colleagues evaluated the Lattice flow diverter with mechanical balloons for unruptured intracranial aneurysms, reporting high procedural success and favorable follow-up outcomes. Cheng and colleagues treated iatrogenic puncture-site pseudoaneurysms with percutaneous thrombin injection protected by an intra-arterial balloon, sealing the sac while preserving the parent artery, an approach especially valuable when antiplatelet therapy cannot be interrupted. Juan-Salvadores and colleagues, in a prospective real-world cohort of 597 patients undergoing radial catheterization, compared two hemostasis strategies and found shorter compression times and lower rates of mild bleeding, pain, paresis and hematoma with one device, without a significant increase in immediate radial artery occlusion. Rare complications received attention too: Feng and colleagues described systemic gas embolism during CT-guided lung puncture under general anesthesia, Xu and Xia reported cerebral lipiodol embolism after transarterial chemoembolization for liver cancer, Corvino and colleagues reviewed complications of tunneled hemodialysis catheters, and Wang and colleagues weighed bleeding against thrombosis in patients undergoing synchronous lung biopsy and microwave ablation on antithrombotic therapy.

Organ preservation links many of these threads and reveals a maturing philosophy. Salinas-Castro and colleagues reported partial splenic embolization for hypersplenism related to portal hypertension in pediatric patients, achieving hematological improvement while preserving splenic tissue with no major adverse events in their series. Oh and colleagues investigated splenic infarction and long-term remodeling after splenic artery aneurysm embolization, identifying post-embolization splenic staining as a predictor of infarction and subsequent regeneration. The desired endpoint of contemporary embolization, the editors note, is not necessarily maximal devascularization but a calibrated intervention that achieves clinical efficacy while keeping the organ alive and functioning. Meanwhile, Luo and colleagues developed a nomogram predicting recurrence after percutaneous transforaminal endoscopic decompression, reflecting a broader movement toward individualized risk estimation and tailored surveillance across minimally invasive care.

The editors close with a warning that technology alone cannot carry the specialty forward. The recently published CIRSE Standards of Practice for the Provision of Emergency Interventional Radiology Care on a 24/7 Basis recognize the discipline as direct clinical care and demand sustainable round-the-clock availability, written multidisciplinary pathways, adequate staffing and infrastructure, uninterrupted access to cross-sectional imaging and an angiography suite, and measurable performance indicators such as CT-to-needle and door-to-treatment-decision times. Time itself, the editors argue, deserves recognition as an outcome metric alongside survival, rebleeding and transfusion requirements: consultation-to-puncture and time-to-hemostasis measure whether the therapeutic window is actually being met. Delayed access can erase the value of even the most technically brilliant procedure. The future of emergency interventional radiology, they conclude, depends not only on innovation in devices and techniques but on earlier integration into treatment teams, stronger prospective evidence, shared clinical pathways and sustainable services, so that the interventional radiologist is recognized as a clinician shaping strategy from the first moments of resuscitation, not merely a technician summoned after everything else has failed.

Subject of Research: Advances in emergency interventional radiology, including damage control interventional radiology, embolization techniques and 24/7 service standards

Article Title: Editorial: Advances in emergency interventional radiology: techniques, outcomes, and future directions

Article References: Tiralongo, F., & Minici, R. (2026). Editorial: Advances in emergency interventional radiology: techniques, outcomes, and future directions. Frontiers in Radiology, 6, Article 1986746. https://doi.org/10.3389/fradi.2026.1986746

Image Credits: AI Generated

DOI: 10.3389/fradi.2026.1986746

Keywords: interventional radiology, emergency medicine, embolization, damage control interventional radiology, trauma, hemorrhage control, neurovascular intervention, organ preservation, thrombectomy, CIRSE standards, non-operative management, 24/7 care