Unicompartmental knee arthroplasty versus high tibial osteotomy: United States practice patterns for the surgical treatment of unicompartmental arthritis.

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Abstract

[Indexed for MEDLINE] 17. Arthroscopy. 2025 Nov;41(11):4683-4698. doi: 10.1016/j.arthro.2025.06.028. Epub 2025 Jul 3. International Delphi Consensus on Medial Meniscal Root Tears Shows High Agreement on Diagnosis, Treatment, and Rehabilitation but Lack of Agreement on Treatment of Asymptomatic Tears. Chahla J(1), Garcia JR(2), Tollefson L(3), Dzidzishvili L(4), Allende F(5), Gerhold C(6), Krych AJ(7), LaPrade RF(3); Meniscus Root International Expert Group. Collaborators: Bassett AJ(8), Bernholt DL(9), Bhatia S(10), Bøe B(11), Brown CH Jr(12), Chung KS(13), Cohen M(14), Engebretsen L(15), Familiari F(16), Faucett SC(17), Feucht MJ(18), Furumatsu T(19), Geeslin AG(20), Getgood AMJ(21), Hiranaka T(22), Inderhaug E(23), Magaly Iñiguez C(24), Johnson DL(25), Kim JG(26), Kim SH(27), Kodama Y(28), Kon E(29), Kopf S(30), LaPrade CM(3), Larson CM(3), Lee DW(31), Lind M(32), Logan CA(33), López-Torres II(34), Lording T(35), Maestu R(36), Moatshe G(37), Monson JK(3), Murray IR(38), Musahl V(39), Vyhmeister RN(40), Okazaki Y(41), Parker D(42), Petersen W(43), Riboh JC(44), Seil R(45), Servien E(46), Sonnery-Cottet B(47), Spalding T(48), Stevenson C(49), Stuart MJ(7), Tanaka MJ(50), Tapasvi S(51), Tuca M(52), van der Wal WA(53), Verma NN(6), von Bormann RP(54), Yanke AB(6), Krych AJ(7), Chahla J(6). Author information: (1)Department of Orthopaedic Surgery, Rush University Medical Center, Midwest Orthopaedics at Rush, Illinois U.S.A.. Electronic address: Jorge.chahla@rushortho.com. (2)Department of Orthopaedic Surgery, Rush University Medical Center, Midwest Orthopaedics at Rush, Illinois U.S.A.; Department of Orthopaedic Surgery, University of South Florida, Tampa, Florida, U.S.A. (3)Twin Cities Orthopedics, Edina, Minnesota, U.S.A. (4)Department of Orthopaedic Surgery Hospital Universitari Germans Trias i Pujol, Barcelona, Spain. (5)Sanatorio Allende, Nueva Cordoba, Argentina. (6)Department of Orthopaedic Surgery, Rush University Medical Center, Midwest Orthopaedics at Rush, Illinois U.S.A. (7)Department of Orthopedic Surgery and Sports Medicine, Mayo Clinic, Rochester, Minnesota, U.S.A. (8)The Orthopedic Institute of New Jersey, Morristown, New Jersey, U.S.A. (9)University of Tennessee Health Science Center, Campbell Clinic, Memphis, Tennessee, U.S.A. (10)Department of Orthopaedics, Northwestern Medicine, Warrenville, Illinois, U.S.A. (11)Division of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway. (12)International Knee & Joint Center, Abu Dhabi, United Arab Emirates. (13)Department of Orthopedic Surgery and Sports Medical Center and Sports Medical Research Institute, Seoul Paik Hospital, College of Medicine, Inje University, Seoul, Republic of Korea. (14)Departamento de Ortopedia e Traumatologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil. (15)Division of Orthopaedic Surgery, University of Oslo, Oslo, Norway; Medical and Scientific Department, International Olympic Committee, Lausanne, Switzerland. (16)Department of Orthopaedic and Trauma Surgery, Magna Graecia University, Catanzaro, Italy. (17)Centers for Advanced Orthopaedics, LLC, Washington, DC, U.S.A. (18)Department of Orthopaedic Surgery Paulinenhilfe, Diakonie Klinikum, Stuttgart, Germany. (19)Department of Orthopaedic Surgery, Okayama University Hospital, Okayama, Japan. (20)Larner College of Medicine, University of Vermont, Burlington, Vermont, U.S.A. (21)Aspetar Sports Medicine Hospital, Doha, Qatar. (22)Department of Orthopaedic Surgery, Okayama Saiseikai General Hospital, Okayama, Japan. (23)Department of Surgery Haraldsplass Deaconess Hospital, Bergen, Norway. (24)Clinica MEDS, Santiago, Chile. (25)Department of Orthopaedic Surgery, University of Kentucky, Lexington, Kentucky, U.S.A. (26)Department of Orthopaedic Surgery, Hanyang University Myongji Hospital, Goyang, Republic of Korea. (27)Department of Orthopedic Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea. (28)Department of Orthopaedic Surgery, Okayama Rosai Hospital, Okayama, Japan. (29)IRCCS Humanitas Research Hospital, Milan, Rozzano, Italy. (30)Center of Orthopaedics and Traumatology University Hospital Brandenburg a.d.H., Brandenburg Medical School Theodor Fontane Brandenburg, Germany. (31)Department of Orthopaedic Surgery, KonKuk University Medical Center, Konkuk University School of Medicine, Seoul, Republic of Korea. (32)Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus, Denmark. (33)Center for Regenerative Sports Medicine, Steadman Philippon Research Institute, Vail, Colorado, U.S.A. (34)Department of Orthopaedic Surgery Hospital Universitario Fundación Jiménez Diaz, Madrid, Spain. (35)Melbourne Orthopaedic Group, Windsor, Australia; Monash University, Melbourne, Australia. (36)Centro de Tratamiento de Enfermedades Articulares, Buenoa Aires, Argentina. (37)Division of Orthopaedic Surgery Oslo University Hospital University of Oslo, Oslo, Norway. (38)Edinburgh Orthopaedics, Edinburgh, Scotland. (39)UPMC Freddie Fu Sports Medicine Center, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, U.S.A. (40)Clínica Las Condes, Santiago, Chile. (41)Department of Orthopaedic Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Kitaku, Okayama, Japan. (42)Landmark Orthopaedics, St. Leonards, Sydney, Australia; The University of Sydney, Sydney, Australia. (43)Department for Orthopedics and Trauma Surgery, Martin Luther Hospital Berlin, Berlin, Germany. (44)OrthoCarolina and Atrium Health Musculoskeletal Institute, Charlotte, North Carolina, U.S.A. (45)Department of Orthopaedic Surgery, Centre Hopsitalier de Luxembourg-Clinique d'Eich, Luxembourg, Luxembourg. (46)Department of Orthopedic Surgery and Sport Medicine, FIFA medical center of excellence, Hôpital de la Croix-Rousse, Lyon, France. (47)Centre Orthopédique Santy, Lyon, France; Hôpital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France. (48)Department of Trauma and Orthopaedic Surgery, University Hospital Coventry, Coventry, England. (49)Belfast Knee Clinic, Belfast, Northern Ireland; Royal Victoria Hospital, Belfast, Northern Ireland. (50)Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, U.S.A. (51)Orthopaedic Speciality Clinic, Pune, India. (52)Department of Orthopedics and Trauma, School of Medicine, Pontifical Catholic University of Chile, Chile; Mutual de Seguridad Clinical Hospital, Chile. (53)Department of Orthopedic Surgery, ZGV, Ede, the Netherlands. (54)Cape Town Sports & Orthopaedic Clinic, Cape Town, South Africa. PURPOSE: To develop an expert consensus statement on the diagnosis, management, and rehabilitation of medial meniscal root tears (MMRTs) using a modified Delphi technique. METHODS: A working group developed statements on MMRT diagnosis, nonoperative management, surgical indications, surgical management, alignment, and rehabilitation using modified Delphi techniques. Fifty-six experts were surveyed over 3 rounds to reach consensus, with agreement measured on a 5-point Likert scale. Statements were included, revised, or excluded on the basis of predefined thresholds (≥75% agreement,