What is one risk associated with improper labrum and capsule tensioning during TSA?

Improper labrum and capsule tensioning during total shoulder arthroplasty can lead to a potential for posterior escape, which is a specific complication related to instability of the shoulder joint. The labrum and shoulder capsule play crucial roles in stabilizing the glenohumeral joint. When these structures are not properly tensioned during the procedure, it can result in inadequate stability, especially in the posterior direction.

Posterior escape can manifest as the humeral head migrating backwards, leading to dislocation or subluxation of the joint. This is particularly critical because it not only affects the immediate stability post-surgery but also can influence the long-term success and functionality of the shoulder, limiting the patient's ability to perform various activities.

While other risks like reduced range of motion, increased risk of infection, or delayed healing are relevant considerations in TSA, they are not directly linked to the specifics of labrum and capsule tensioning. Proper management of these structures is vital to maintaining joint stability and ensuring patient safety postoperatively.