20° Anchor Insertion Technique Toward the Subchondral Bone in Rotator Cuff Repairs for Patients With Osteoporosis Compared With the Traditional 45° Deadman Angle

Both anchor insertion techniques resulted in acceptable shoulder clinical outcomes for patients with osteoporosis undergoing rotator cuff repair. However, the 20° insertion angle toward the subchondral bone was associated with a significantly lower incidence of perianchor cysts and retears than the traditional 45° Deadman angle.