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Dual Syringe Injector Data Sheet (PDF)
Rheumatic disorders of the hand affect approximately three percent of the world’s population. These disorders cause inflammation within the tendon sheath or joint capsule, causing pain and disfigurement that can impair the use of the hand. Hydrocortisone injections have been used as a primary treatment for these disorders as a way of reducing inflammation. The limiting factor of these injections has been the short duration of the drug’s effect. Several synthetically produced steroids have been created with longer durations of action and four to five times the potency of hydrocortisone. Although these steroids can provide longer-lasting relief of symptoms, they also present a greater risk for soft tissue complications if injected inaccurately.
Soft Tissue Complications
The risk for developing soft tissue complications is highly dependent on the injection technique. Injecting a steroid outside the tendon sheath or joint capsule greatly increases the risk for these complications. Alternatively, injections within the tendon sheath generally do not result in complications, although the procedural pain associated with locating the tendon sheath makes these injections difficult to perform (16)*.
The risk for developing soft tissue complications is highly dependent on the injection technique. Injecting a steroid outside the tendon sheath or joint capsule greatly increases the risk for these complications. Alternatively, injections within the tendon sheath generally do not result in complications, although the procedural pain associated with locating the tendon sheath makes these injections difficult to perform (16)*.
Potential Soft Tissue Complications:
- Atrophy of soft tissues including the skin and subcutaneous fat layer
- Depigmentation of the skin
- Rupture of tendons near the injected joint or in the joint capsule
Injection Pain
Searching for correct needle placement is the main source of pain during these injections. This pain can be prevented by anesthetizing the area in the hand around the injection site while searching for needle placement. The patient may also experience a painful high-pressure sensation after the steroid is injected due to the limited size of the tendon sheath or joint space. Injecting an anesthetic into this area after steroid injection can reduce this painful sensation.
The Dual Syringe Injector was developed to reduce injection pain and clinical complications through the use of a two-syringe injection technique.
Click here to learn more about the Dual Syringe Injector and two-syringe technique.
Searching for correct needle placement is the main source of pain during these injections. This pain can be prevented by anesthetizing the area in the hand around the injection site while searching for needle placement. The patient may also experience a painful high-pressure sensation after the steroid is injected due to the limited size of the tendon sheath or joint space. Injecting an anesthetic into this area after steroid injection can reduce this painful sensation.
The Dual Syringe Injector was developed to reduce injection pain and clinical complications through the use of a two-syringe injection technique.
Click here to learn more about the Dual Syringe Injector and two-syringe technique.
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