Report summary

University of Pittsburgh Department of Orthopaedic Surgery in 2015-2026 reads as a 67-PI network with 233 internal PI collaborations. The dominant subject mix is Medicine as the leading field (68% of slots across 65 PIs; 65 labels), Surgery as the leading subfield (29% of slots across 44 PIs; 44 labels), and Knee injuries and reconstruction techniques as the leading topic (8% of slots across 16 PIs; 16 labels). That is promising: collaboration is not just one large hairball, and the leading breakdown groups cover 21 PIs across distinct clusters. The leading PI names are Shawn R. Eagle (57.5 weighted works; Traumatic Brain Injury Research, Functional Brain Connectivity Studies). The most visible ties are Steffi Oesterreich and Adrian V. Lee (90 shared works, weight 34.2); Volker Musahl and Richard E. Debski (69 shared works, weight 33.9). The leading breakdown groups are group 1 with 10 PIs, 10 internal connections, weight 145.8, around Surgery, Biomedical Engineering, Orthopedics and Sports Medicine, led by Volker Musahl, William Anderst, Freddie H. Fu.