@article{neuman_knee_2012,
	title = {Knee laxity after complete anterior cruciate ligament tear: a prospective study over 15 years},
	volume = {22},
	issn = {1600-0838},
	doi = {10.1111/j.1600-0838.2010.01157.x},
	shorttitle = {Knee laxity after complete anterior cruciate ligament tear},
	abstract = {There is limited knowledge of knee laxity in the long term after a complete anterior cruciate ligament ({ACL}) tear treated without {ACL} reconstruction. The aim of this study was (1) to describe the clinical course of knee laxity after a complete {ACL} tear over 15 years, and (2) to study the association between knee laxity and meniscal injuries and the development of knee osteoarthritis ({OA}). We studied 100 consecutive subjects [mean ({SD}) age 26 (8) years] presenting with acute {ACL} injury prospectively. The initial treatment in all subjects was knee rehabilitation without reconstructive surgery. The subjects were examined with Lachman's and pivot-shift tests at baseline, 6 weeks, 3 months, 1 year, 3 years and 15 years after the injury. Sagittal knee laxity was also evaluated with the {KT}-1000 arthrometer at the 15-year follow-up. During follow-up, 22 subjects were {ACL} reconstructed due to unacceptable knee instability. There was only a mild remaining knee laxity [median Lachman grade and pivot-shift test value of 1 on a 4-grade scale (0-3)] after 15 years in subjects treated without primary {ACL} reconstruction. Knees with higher anterior sagittal knee laxity 3 months after the injury had a worse long-term outcome with respect to meniscal injuries and knee {OA} development.},
	pages = {156--163},
	number = {2},
	journaltitle = {Scandinavian Journal of Medicine \& Science in Sports},
	shortjournal = {Scand J Med Sci Sports},
	author = {Neuman, P. and Kostogiannis, I. and Fridén, T. and Roos, H. and Dahlberg, L. E. and Englund, M.},
	date = {2012-04},
	pmid = {20673249},
	keywords = {Adolescent, Adult, Anterior Cruciate Ligament, Arthrometry, Articular, Female, Follow-Up Studies, Humans, Joint Instability, Knee Injuries, Knee Joint, Longitudinal Studies, Male, Menisci, Tibial, Osteoarthritis, Knee, Prospective Studies}
}

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The aim of this study was (1) to describe the clinical course of knee laxity after a complete ACL tear over 15 years, and (2) to study the association between knee laxity and meniscal injuries and the development of knee osteoarthritis (OA). We studied 100 consecutive subjects [mean (SD) age 26 (8) years] presenting with acute ACL injury prospectively. The initial treatment in all subjects was knee rehabilitation without reconstructive surgery. The subjects were examined with Lachman's and pivot-shift tests at baseline, 6 weeks, 3 months, 1 year, 3 years and 15 years after the injury. Sagittal knee laxity was also evaluated with the KT-1000 arthrometer at the 15-year follow-up. During follow-up, 22 subjects were ACL reconstructed due to unacceptable knee instability. There was only a mild remaining knee laxity [median Lachman grade and pivot-shift test value of 1 on a 4-grade scale (0-3)] after 15 years in subjects treated without primary ACL reconstruction. Knees with higher anterior sagittal knee laxity 3 months after the injury had a worse long-term outcome with respect to meniscal injuries and knee OA development.","pages":"156--163","number":"2","journaltitle":"Scandinavian Journal of Medicine & Science in Sports","shortjournal":"Scand J Med Sci Sports","author":[{"propositions":[],"lastnames":["Neuman"],"firstnames":["P."],"suffixes":[]},{"propositions":[],"lastnames":["Kostogiannis"],"firstnames":["I."],"suffixes":[]},{"propositions":[],"lastnames":["Fridén"],"firstnames":["T."],"suffixes":[]},{"propositions":[],"lastnames":["Roos"],"firstnames":["H."],"suffixes":[]},{"propositions":[],"lastnames":["Dahlberg"],"firstnames":["L.","E."],"suffixes":[]},{"propositions":[],"lastnames":["Englund"],"firstnames":["M."],"suffixes":[]}],"date":"2012-04","pmid":"20673249","keywords":"Adolescent, Adult, Anterior Cruciate Ligament, Arthrometry, Articular, Female, Follow-Up Studies, Humans, Joint Instability, Knee Injuries, Knee Joint, Longitudinal Studies, Male, Menisci, Tibial, Osteoarthritis, Knee, Prospective Studies","bibtex":"@article{neuman_knee_2012,\n\ttitle = {Knee laxity after complete anterior cruciate ligament tear: a prospective study over 15 years},\n\tvolume = {22},\n\tissn = {1600-0838},\n\tdoi = {10.1111/j.1600-0838.2010.01157.x},\n\tshorttitle = {Knee laxity after complete anterior cruciate ligament tear},\n\tabstract = {There is limited knowledge of knee laxity in the long term after a complete anterior cruciate ligament ({ACL}) tear treated without {ACL} reconstruction. The aim of this study was (1) to describe the clinical course of knee laxity after a complete {ACL} tear over 15 years, and (2) to study the association between knee laxity and meniscal injuries and the development of knee osteoarthritis ({OA}). We studied 100 consecutive subjects [mean ({SD}) age 26 (8) years] presenting with acute {ACL} injury prospectively. The initial treatment in all subjects was knee rehabilitation without reconstructive surgery. The subjects were examined with Lachman's and pivot-shift tests at baseline, 6 weeks, 3 months, 1 year, 3 years and 15 years after the injury. Sagittal knee laxity was also evaluated with the {KT}-1000 arthrometer at the 15-year follow-up. During follow-up, 22 subjects were {ACL} reconstructed due to unacceptable knee instability. There was only a mild remaining knee laxity [median Lachman grade and pivot-shift test value of 1 on a 4-grade scale (0-3)] after 15 years in subjects treated without primary {ACL} reconstruction. Knees with higher anterior sagittal knee laxity 3 months after the injury had a worse long-term outcome with respect to meniscal injuries and knee {OA} development.},\n\tpages = {156--163},\n\tnumber = {2},\n\tjournaltitle = {Scandinavian Journal of Medicine \\& Science in Sports},\n\tshortjournal = {Scand J Med Sci Sports},\n\tauthor = {Neuman, P. and Kostogiannis, I. and Fridén, T. and Roos, H. and Dahlberg, L. E. and Englund, M.},\n\tdate = {2012-04},\n\tpmid = {20673249},\n\tkeywords = {Adolescent, Adult, Anterior Cruciate Ligament, Arthrometry, Articular, Female, Follow-Up Studies, Humans, Joint Instability, Knee Injuries, Knee Joint, Longitudinal Studies, Male, Menisci, Tibial, Osteoarthritis, Knee, Prospective Studies}\n}\n\n","author_short":["Neuman, P.","Kostogiannis, I.","Fridén, T.","Roos, H.","Dahlberg, L. 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