{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T20:06:23Z","timestamp":1792785983471,"version":"4.5.0"},"reference-count":18,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T00:00:00Z","timestamp":1761523200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"name":"National Institute of Arthritis and Musculoskeletal and Skin Diseases at the National Institute of Health","award":["K23AR074520"],"award-info":[{"award-number":["K23AR074520"]}],"id":[{"id":"https:\/\/ror.org\/006zn3t30","id-type":"ROR","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,10,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Diagnostic hip injections are used to confirm an intra-articular source of hip pain in adolescents and young adults in order to guide management. There is currently no data-driven consensus regarding what cutoff metric should be used to constitute a \u2018positive\u2019 response to injection. This study compared using either 50% or 75% immediate pain improvement to define a positive response to fluoroscopically-guided diagnostic hip injection to aid in management decision-making. Rates of surgical management and likelihood of satisfaction with care at 12+ months were then compared between the two groups. Amongst 56 hips, (mean age 18.5 (SD \u00b1 5.2) years, 89% (50\/56) female) there was no difference in the rate of progression to surgery amongst responders when using either a \u226550% or \u226575% cutoff of pain improvement (71% (29\/41) versus 74% (20\/27), between-group difference 3% [95% CI, \u221218% to 25%], P\u2009=\u2009.76). Amongst those undergoing surgery, there was no difference in patient-reported satisfaction, at 12+ months based on a \u226550% versus \u226575% pain improvement cutoff (74% (14\/19) versus 69% (9\/13) reporting \u2018satisfied\u2019 or \u2018very satisfied\u2019 on 5-point Likert Scale, between-group difference 4% [\u221227% to 36%], P\u2009=\u20090.78). Our findings suggest that a \u226550% cutoff could be considered a \u2018positive\u2019 response in a clinical setting and used to guide management decisions.<\/jats:p>","DOI":"10.1093\/jhps\/hnaf045","type":"journal-article","created":{"date-parts":[[2025,10,16]],"date-time":"2025-10-16T12:14:42Z","timestamp":1760616882000},"page":"235-239","source":"Crossref","is-referenced-by-count":0,"title":["Outcomes following a \u2018positive\u2019 response to diagnostic intra-articular hip injection for pre-arthritic hip pain based on the level of percent pain improvement"],"prefix":"10.1093","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-8869-5940","authenticated-orcid":false,"given":"Andrea B","family":"McCullough","sequence":"first","affiliation":[{"name":"OrthoAtlanta , 1700 Tree Lane, Snellville, GA 30017 ,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Niyathi","family":"Prasad","sequence":"additional","affiliation":[{"name":"John\u2019s Hopkins School of Medicine , 733 N Broadway, Baltimore, MD 21205 ,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julia Cave","family":"Arbanas","sequence":"additional","affiliation":[{"name":"University of Michigan School of Information , 105 S State Street, Ann Arbor, MI 48109 ,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abby L","family":"Cheng","sequence":"additional","affiliation":[{"name":"Washington University School of Medicine , 660 S Euclid Avenue, St. Louis, MO 63110 ,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heidi","family":"Prather","sequence":"additional","affiliation":[{"name":"Weill Cornel Medical College , 1300 York Avenue, New York, NY 10065 ,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Devyani","family":"Hunt","sequence":"additional","affiliation":[{"name":"Washington University School of Medicine , 660 S Euclid Avenue, St. Louis, MO 63110 ,","place":["United States"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2025,10,27]]},"reference":[{"key":"2026101003220054800_ref1","doi-asserted-by":"publisher","first-page":"1055","DOI":"10.1016\/j.pmrj.2011.08.533","article-title":"Relationship of acetabular dysplasia and Femoroacetabular impingement to hip osteoarthritis: a focused review","volume":"3","author":"Harris-Hayes","year":"2011","journal-title":"PM & R"},{"key":"2026101003220054800_ref2","doi-asserted-by":"crossref","first-page":"47","DOI":"10.2106\/JBJS.H.00756","article-title":"A systematic approach to the plain radiographic evaluation of the young adult hip","volume":"90","author":"Clohisy","year":"2008","journal-title":"J Bone 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following arthroscopic management of femoroacetabular impingement","volume":"22","author":"Ayeni","year":"2014","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"2026101003220054800_ref12","doi-asserted-by":"publisher","first-page":"1062","DOI":"10.2214\/AJR.16.16383","article-title":"Correlation between hip arthroscopy outcomes and preoperative anesthetic hip joint injections, MR arthrogram imaging findings, and patient demographic characteristics","volume":"207","author":"Ladd","year":"2016","journal-title":"AJR Am J Roentgenol"},{"key":"2026101003220054800_ref13","doi-asserted-by":"publisher","first-page":"378","DOI":"10.1136\/ard.37.4.378","article-title":"Studies with pain rating scales","volume":"37","author":"Downie","year":"1978","journal-title":"Ann Rheum Dis"},{"key":"2026101003220054800_ref14","doi-asserted-by":"publisher","first-page":"251","DOI":"10.1016\/B978-1-56053-591-1.50016-0","volume-title":"Musculoskeletal Physical Examination: An Evidence-Based 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