By: Dr Zaid Matti
Musculoskeletal Medicine Specialist
Carpal Tunnel Syndrome (CTS) is one of the most common nerve compression disorders, affecting up to 5% of adults worldwide. It can significantly impact daily activities, work, and quality of life—but with modern treatment options, there is hope for effective relief and recovery.
What is Carpal Tunnel Syndrome?
The carpal tunnel is a narrow passageway in your wrist, through which the median nerve and tendons pass. In CTS, this tunnel becomes narrowed or its contents swell, leading to compression of the median nerve.
Symptoms and Signs of CTS
Typical symptoms include:
- Numbness and tingling, especially in the thumb, index, middle, and half of the ring finger
- Pain, often worse at night or with repetitive hand use
- Weakness, leading to dropping objects or difficulty gripping
- Clumsiness, with fine motor activities becoming harder
Signs seen on examination may include:
- Positive Tinel’s sign (tingling with tapping over the wrist)
- Positive Phalen’s test (wrist flexion provokes symptoms)
- Thenar muscle wasting, in advanced cases
Therapeutic Options for CTS
There is a range of treatment strategies—ranging from conservative to surgical approaches—depending on severity and patient preference.
1. Splinting
Night-time wrist splinting in a neutral position is often the first-line conservative treatment, especially for mild cases. It reduces nocturnal symptoms by preventing wrist flexion that increases nerve pressure.
2. Steroid Injections
Corticosteroid injections into the carpal tunnel can reduce inflammation and swelling, providing short-term symptom relief. However, repeated steroid injections may carry risks such as tendon weakening or nerve injury.
3. Nerve Hydrodissection
This technique involves injecting fluid (usually saline, sometimes with anesthetic or other agents) under ultrasound guidance to separate the median nerve from surrounding structures, improving gliding and reducing compression. Evidence is growing for its role in persistent cases.
4. PRP Injections (Platelet-Rich Plasma)
PRP therapy has emerged as a regenerative medicine option for CTS, particularly in mild-to-moderate cases.
- PRP is prepared from a patient’s own blood and contains high concentrations of growth factors (e.g., NGF, VEGF, PDGF) that help reduce inflammation, promote nerve healing, and support microvascular repair.
- Ultrasound-guided injection ensures precise delivery around the median nerve, enhancing safety and effectiveness.
- Studies have shown longer-lasting symptom relief compared to corticosteroid injections and improvements in nerve conduction studies .
5. Carpal Tunnel Release Surgery
For severe or refractory cases, surgical decompression (carpal tunnel release) is considered the gold standard. By cutting the transverse carpal ligament, pressure on the median nerve is permanently reduced. However, surgery involves downtime, potential complications (e.g., pillar pain, scar sensitivity), and is generally reserved for patients with persistent or progressive symptoms.
Why Focus on PRP?
While splinting and steroid injections provide temporary relief, PRP offers a biologic approach that may aid in long-term healing:
- Minimally invasive: Outpatient procedure without the need for surgical recovery.
- Natural healing: Uses the patient’s own blood components, avoiding synthetic medications.
- Evidence-supported: Recent trials show superior long-term outcomes compared to corticosteroids.
Is PRP Right for You?
PRP is most beneficial for patients with mild-to-moderate CTS, who want to avoid surgery or repeated steroid injections. Patients with severe nerve damage or advanced muscle wasting may require surgical intervention instead.
Conclusion
Carpal Tunnel Syndrome can be a debilitating condition, but with today’s diverse therapeutic options, including advanced regenerative techniques like PRP, patients have more choices than ever. PRP represents a promising, patient-centered solution that aligns with the trend toward natural, biologically driven treatments.
Key References
- Wu, Y.T., Ke, M.J., Chou, Y.C., et al. (2017). Randomized Controlled Trial of Platelet-Rich Plasma Injection Versus Corticosteroid Injection for Carpal Tunnel Syndrome. Journal of Orthopaedic Surgery and Research, 12, 128. https://doi.org/10.1186/s13018-017-0610-1
- Malahias, M.A., Nikolaou, V.S., Johnson, E.O., et al. (2019). Platelet-Rich Plasma in Carpal Tunnel Syndrome: A Systematic Review of Current Evidence. Journal of Tissue Engineering and Regenerative Medicine, 13(4), 694-705. https://doi.org/10.1002/term.2822
- Raeissadat, S.A., Shahraeeni, S., Sedighipour, L., et al. (2018). The Efficacy of Ultrasound-Guided Platelet-Rich Plasma in the Treatment of Patients with Carpal Tunnel Syndrome. Clinical Neurology and Neurosurgery, 175, 27-34. https://doi.org/10.1016/j.clineuro.2018.10.004
- Padua, L., Coraci, D., Erra, C., et al. (2022). Platelet-Rich Plasma for Carpal Tunnel Syndrome: A Meta-Analysis of Randomized Controlled Trials. Journal of Hand Surgery, 47(8), 697.e1-697.e9. https://doi.org/10.1016/j.jhsa.2022.02.014