A pulmonary embolism can move from stable to life-threatening within a matter of hours, and deciding on the right treatment path — anticoagulation alone, thrombolysis, catheter-based therapy, or surgery — often requires input from several specialties at once. This is the problem that pulmonary embolism response teams, commonly known as PERT, were built to solve. Rather than routing a patient through sequential consultations, a PERT brings multiple specialists together quickly to reach a coordinated decision.
What Is a Pulmonary Embolism Response Team?
A PERT is a multidisciplinary group, typically including some combination of pulmonology, cardiology, interventional radiology, vascular surgery, cardiac surgery, and critical care, that can be activated rapidly when a hospital identifies a moderate to high-risk PE case. Instead of a single physician managing the case in isolation, the PERT model pools expertise so that treatment decisions — including whether a patient needs escalation beyond anticoagulation — are made collaboratively and quickly.
How Does the PERT Activation Process Work?
Activation usually starts when an emergency department physician, hospitalist, or intensive care clinician identifies a PE with features suggesting elevated risk, such as signs of right heart strain or hemodynamic instability. A single call or electronic alert notifies the PERT, and available team members review the case together, often within minutes, using imaging, laboratory markers, and the patient's hemodynamic status to stratify risk. This rapid triage model is the core value proposition of PERT: consolidating decision-making that might otherwise take place over several separate consultations into one coordinated discussion.
What Kinds of Decisions Does a PERT Make?
The team's central task is matching the severity of the PE to an appropriate level of intervention. For a patient with a small, low-risk PE, the decision may simply be to confirm that anticoagulation alone is appropriate. For a patient showing signs of right heart strain or early hemodynamic compromise, the discussion may turn to systemic thrombolysis, catheter-directed therapy, or, in select cases, mechanical thrombectomy or IVC filter placement if anticoagulation is contraindicated. Because these treatment pathways carry different risks and resource requirements, having representatives from each relevant specialty in the same conversation helps align the plan with the full clinical picture rather than a single specialist's default approach.
Why Has the PERT Model Spread So Quickly?
PERT programs have expanded across many hospital systems because PE management increasingly involves device-based options that fall outside any one specialty's traditional scope. A pulmonologist may be comfortable with anticoagulation decisions but less familiar with catheter-based thrombectomy platforms, while an interventional radiologist may not routinely manage post-PE cardiac monitoring. The multidisciplinary structure is intended to close these gaps, and hospitals with PERT programs generally report that the model supports faster, more consistent decision-making for higher-risk cases, though outcomes for any individual patient still depend on their specific clinical circumstances.
Where Device-Based Therapy Fits Into PERT Discussions
When a PERT team escalates beyond anticoagulation, the conversation often includes catheter-based aspiration or pharmacomechanical options, and, in patients where blood thinners are unsafe, retrievable filters designed to reduce embolic risk. These decisions always rest with the treating clinicians and are individualized to the patient; device selection and technique are governed by each product's Instructions for Use (IFU). An overview of the device categories used in this pathway is available on INVAMED's pulmonary embolism management page.
Does having a PERT program change patient outcomes?
Hospitals with PERT programs generally report faster, more coordinated decision-making for higher-risk PE cases, though this reflects institutional trends rather than a guarantee for any individual patient. Outcomes still depend on the severity of the PE, timing of presentation, and the patient's overall health.
Device availability and regulatory status vary by country. Please contact INVAMED or your authorized local distributor for current regulatory information applicable to your region.