Open versus Single- or Dual-Portal Endoscopic Carpal Tunnel Release: A Meta-Analysis of Randomized Controlled Trials.

Although endoscopic surgery may be appealing in terms of reduced postoperative morbidity and a faster return to work for patients, surgeons should be mindful of the associated learning curve and higher incidence of transient nerve injury. Further study is required to identify if an advantage exists between different endoscopic techniques.