Why the study?
Do patient-specific instruments improve glenoid component positioning compared to standard surgical instruments?
Do patient-specific instruments improve glenoid component positioning compared to standard surgical instruments?
Patient-specific instrumentation and 3D planning may allow for better definition of pathology and more accurate execution of glenoid component positioning.
Hypothesis-generating for patient-specific instrumentation in shoulder arthroplasty; RCTs needed before changing practice.
Novel three-dimensional preoperative planning, coupled with patient and implant-specific instrumentation, allows the surgeon to better define the preoperative pathology, select the optimal implant design and location, and then accurately execute the plan at the time of surgery.
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Hendel et al. (2012) studied this question.
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