William C. Welch, MD, FAANS, FACS, FICS, FAANOS
Frederick A. Simeone Professor in Neurosurgery
Department: Neurosurgery
Graduate Group Affiliations
Contact information
Department of Neurosurgery
Pennsylvania Hospital
801 Spruce Street
8th Floor
Philadelphia, PA 19107
Pennsylvania Hospital
801 Spruce Street
8th Floor
Philadelphia, PA 19107
Office: 215-829-6700
Fax: 215-829-3361
Fax: 215-829-3361
Education:
B.S (BS-MD program)
The City College of New York , 1983.
M.D.
State University of New York, Downstate Medical Center, 1985.
Permanent linkB.S (BS-MD program)
The City College of New York , 1983.
M.D.
State University of New York, Downstate Medical Center, 1985.
Description of Research Expertise
Tarlov CystsLarge Language Models
Spinal stenosis
Spinal biomechanics
Spinal outcomes
Selected Publications
Albayar A, Mensah-Brown K, Spadola M, Johnson M, Leibowitz L, Ali AS, Saifi C, Malhotra NR, Welch WC, Arlet V, Ozturk AK: Staging circumferential spinal fusions for adult spinal deformities adds admission costs without improving postoperative outcomes. JMIR Research Protocol 2025.Howard SD, Pessoa R, Costello L, Silpagar M, Gardiner D, Tambe U, Rushanan S, Josi D, Nguyen J, Macaluso D, Malhotra NR, Welch WC, Ali ZS: Accuracy of RAPT score in predicting discharge disposition in patients undergoing spine surgery within an enhanced recovery after surgery program. Clinical Spine Surg 134, 2025 Notes: 10.1097/BSD.0000000000001810.
Sussman JH, Budihal BR, Gujral J, Santangelo G, Wathen CA, Ghenbot Y, Arena JD, Golubovsky JL, Gu BJ, Yoon JW, Ozturk AO, Anari J, Winkelstein B, Welch WC: Development and validation of a keypoint region-based convolutional neural network to automate thoracic cobb angle measurements using whole-spine standing radiographs. Nature Scientific Reports 13, 2025.
Dagli MM, Wathen C, Golubovsky JL, Ghenbot Y, Arena J, Santangelo G, Heintz J, Welch WC, Yoon J, Arlet V, Ozturk AK: Preoperative anemia is associated with increased length of stay in adult spinal deformity surgery: evaluation of a large single-center patient cohort and future suggestions for patient optimization. Spine Deformity 13: 625-637, 2025 Notes: 10.1007/s43390-024-01003-w.
Dagli MM, Turlip RW, Oettl FC, Emara M, Gujral J, Chauhan D, Ahmad HS, Santangello G, Wathen CA, Ghenbot Y, Arena JD, Golubovsky JL, Gu B, Yoon JW, Ozturk AK, Welch WC: Comparison of outcomes between staged and same-day circumferential spinal fusion for adult spinal deformity: systematic review and meta-analysis. Interactive Journal of Medical Research 14: e6729, 2025 Notes: 10.2196/67290.
Elsamadicy AA, Cross J, Reeves BC, Shaffer A, McGuire LS, Welch WC, Arnold PM, Rosenow JM: Characteristics of reported industry payment to Neurosurgeons from 2019-2022: the impact of COVID-19. J Clin Neurosci 134, 2025 Notes: 10/1016/j.jocn.2025.111089.
Dagli MM, Ghenbot Y, Ahmad HS, Chauhan D, Turlip R, Wang P, Welch WC, Ozturk AK, Yoon JW: Development and validation of a novel AI framework using NLP with LLM integration for relevant clinical data extraction through automated chart review. Nature Scientific Reports 14: 26783, 2025 Notes: 10.1038/s41598-024-77535-y.
Sussman JH, Dagli MM, Wald SL, Akhtar SS, Natan K, Xu JA, Li A, Dawson B, Welch WC: Exploring the experiences of patients with rare diseases in Pennsylvania: a community-based study. Public Health Reports 134, 2025 Notes: 10.1177/00333549251362711.
Ghenbot Y, Arena J, Dagli MM, Macaluso DM, Ghenbot S, Wathen C, Khela H, Ahmad H, Santangelo G, Golugobsky J, Wright J, Heintz J, Ali Z, Malhotra NR, Welch WC, Yoon J, Arlet V, Ozturk AK: The influence of the magnitude of sagittal correction and local junctional factors on proximal junctional kyphosis and failure following correction of adult spinal deformity: an inverse probability weighted analysis. Journal of Neurosurgery: Spine 13, 2025 Notes: 10.3171/2024.12.SPINE24899.
Dagli MM, Wathen CA, Golubovsky JL, Ghenbot J, Arena J, Heintz J, Macaluso D, Santangelo G, Ali Z, Malhotra NR, Yoon J, Welch WC, Arlet V, Ozturk A. : Intravenous tranexamic acid reduces blood loss and perioperative transfusion requirements in adult spinal deformity: a propensity-scored observational study. Journal of Neurosurgery: Spine 7: 1-9, 2025.