Why a procedure in Ehlers-Danlos is planned differently

There is a question that comes up when someone with Ehlers-Danlos syndrome (EDS) reaches the point of considering an injection, an arthroscopy or surgery: does it matter who does it?

The short answer is that it does. But not for the reason people usually imagine. It is not about more skillful hands or better techniques. It is about information: in EDS, the tissue being worked on responds differently, and that difference is worth knowing before going in — not discovering during.

What changes is not the technique. It's the tissue.

EDS is a group of hereditary connective tissue disorders. And connective tissue is, literally, the material that ligaments, tendons, skin, blood vessel walls and the capsule surrounding every joint are made of. When that material behaves differently, everything that relies on it behaves differently too.

Any procedure assumes certain things about tissue. That the anesthetic will diffuse and stay where it was placed. That a suture will hold. That a joint will tolerate a position for an hour. That healing will follow a certain calendar. In EDS, several of those assumptions stop being automatic. They do not always fail, and not all of them fail. But they can no longer be taken for granted — and that is exactly the point.

Four things worth having on the table

1. Local anesthesia may not last as long

It is one of the most useful pieces of information from recent years, and also one of the most recent to gain experimental support. In 2026, a randomized cross-over trial was published in Regional Anesthesia & Pain Medicine comparing the response to lidocaine between people with EDS and people without the condition: in the EDS group, the effect of the anesthetic was shorter.[1]

The drug does not change. What changes is the plan around the drug: how much, how often, what is on hand if the block wears off halfway through the procedure, and how the person is asked about what they are feeling. It is the difference between anticipating something and solving it on the fly.

2. The tissue holds differently

Sutures, anchors and soft-tissue repairs rely on the strength of the tissue that receives them. When that strength is lower, a technically correct repair can give way over time. Published reviews of surgical outcomes in EDS and hypermobility describe heterogeneous results depending on the joint, and higher rates of recurrent instability in some scenarios —chronic ankle instability is the most consistent example—, along with an honest warning: the available evidence is still limited and of low methodological quality.[2,3]

That is not an argument against operating. It is an argument for operating knowingly, with expectations discussed beforehand and a rehabilitation plan that accounts for the tissue needing more time and more support.

3. Positioning on the table matters

Staying in a certain posture for an hour is routine for almost anyone. For a joint that subluxates easily, it is not. Perioperative management recommendations in EDS include explicit care with positioning, with neck hyperextension during intubation and with maneuvers on waking.[4,5] These are details that do not appear in a standard protocol because in most cases they are not needed.

4. The autonomic nervous system also enters the operating room

Many people with EDS live with orthostatic intolerance or postural tachycardia syndrome (POTS): the body regulates blood pressure and heart rate differently when changing position. In a procedure, that translates into concrete decisions about prior hydration, fasting management and what to expect when getting up afterward. Mast cell-type reactivity is also frequent, which conditions the choice of some medications.[5]

Why the diagnosis comes before the procedure

Everything above depends on one precondition: someone knowing there is EDS. And that is where things become more complex than they seem.

Hypermobile EDS, the most frequent subtype, remains a clinical diagnosis: for now there is no genetic test to confirm it. The current criteria were published in 2017 and an international consortium has been working on revising them since; publication of that revision is announced for late 2026.[6] It is a field that is moving while it is being used.

It is worth saying clearly: that a diagnosis like this takes years to appear speaks to the complexity of the condition and to how recent the knowledge about it is — not to whoever was looking for it. Hypermobility is distributed throughout the body and its symptoms arrive separately, at different ages and in different consulting rooms. Putting those pieces together into a single picture is difficult by design.

What a team that already knows the terrain means

"Specialist," in this context, does not mean someone who knows more medicine. It means someone who has already seen this tissue behavior before and adjusts the plan without having to improvise it. Prior experience with the condition saves steps, and the steps saved are minutes of procedure time, better-calculated doses and fewer surprises.

In practice, that is almost never one person: it is a team. Whoever performs the procedure, whoever manages the anesthesia, whoever handles pain control before and after, whoever accompanies rehabilitation. The advantage is not in the individual skill of any of them, but in everyone working with the same information from the start. That is why the literature on surgery in EDS insists so much on a simple point: that the diagnosis be identified before scheduling.[3]

Where pain medicine comes in

Interventional pain medicine is the specialty dedicated to pain: reading it, locating where it comes from and treating it when there is a way to do so. In Ehlers-Danlos, its role usually takes four forms.

• Reading the pain first. Distinguishing what hurts from mechanical instability, what from nerve involvement, and what from a nervous system that has spent a long time on high alert. They do not all respond to the same treatment, and they do not all respond to surgery.
• Offering minimally invasive options when indicated: nerve blocks, radiofrequency denervation and other image-guided procedures that work on the pain signal without open surgery.
• Planning pain control around a procedure another specialist will perform, including the scenario of shorter-lasting local anesthesia and the management of the days that follow.
• Concluding that a procedure is not the way forward right now — and saying so. It is a valid outcome of an evaluation, not a dead end.

You can read more about the approach to pain in this condition on the Ehlers-Danlos syndrome page, and about image-guided procedures under radiofrequency denervation.

What to bring to your next appointment

Whoever the appointment is with —orthopedics, anesthesiology, rehabilitation, pain medicine—, this information changes decisions, and it is almost always the person who has it, not the chart:

This list is not meant to convince anyone of anything. It is technical information, and it lands better when it arrives organized.

Frequently asked questions

References

1. Bourne KM, Thai S, Lei LY, et al. Patients with Ehlers-Danlos syndrome experience reduced effectiveness of lidocaine local anesthetic: a randomized cross-over clinical trial. Reg Anesth Pain Med. 2026. doi:10.1136/rapm-2025-107416
2. Svendsen C, Vivekanantha P, Braunstein D, et al. Outcomes after surgical management of large joint manifestations in Ehlers-Danlos syndrome and hypermobility conditions in sports medicine: a systematic review. Curr Rev Musculoskelet Med. 2025;18:429–459.
3. Schubart JR, Mills SE, Rodeo SA, Francomano CA. Outcomes of orthopaedic surgery in Ehlers-Danlos syndromes: a scoping review. BMC Musculoskelet Disord. 2024;25(1):846.
4. Wiesmann T, Castori M, Malfait F, Wulf H. Recommendations for anesthesia and perioperative management in patients with Ehlers-Danlos syndrome(s). Orphanet J Rare Dis. 2014;9:109.
5. Chopra P, Bluestein L. Perioperative care in patients with Ehlers-Danlos syndromes. Open J Anesthesiol. 2020;10:13–29.
6. The Ehlers-Danlos Society. hEDS/HSD Criteria Review Study — study update. Publication of revised criteria expected for December 2026.