What is the appropriate approach to managing a patient with de Quervain's tenosynovitis?

The appropriate approach to managing a patient with de Quervain's tenosynovitis is to start with rest and splinting. This treatment strategy is effective because de Quervain's tenosynovitis involves inflammation of the tendons in the wrist responsible for thumb movement, which can be exacerbated by repetitive motion or strain.

Resting the affected hand helps reduce the inflammation and pain associated with the condition. Using a splint immobilizes the thumb and wrist, which restricts movement and protects the tendons from further irritation. This initial conservative treatment can lead to significant improvement in symptoms for many patients.

In many cases, if conservative measures like rest and splinting do not relieve symptoms, additional treatments such as corticosteroid injections might be considered before moving on to more invasive options like surgery. However, the first-line approach of rest and splinting is typically sufficient to manage the condition effectively.