Kristoffer Weisskirchner Barfod
Clinical Professor
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The heel-rise work test overestimates the performed work with 21–25% after an Achilles tendon rupture
Andreasen, K. R., Hansen, M. S., Bencke, J., Hölmich, Per & Barfod, Kristoffer Weisskirchner, May 2021, In: Knee Surgery, Sports Traumatology, Arthroscopy. 29, 5, p. 1604-1611 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Successful isolation of viable stem cells from cryopreserved microfragmented human adipose tissue from patients with knee osteoarthritis – a comparative study of isolation by tissue explant culture and enzymatic digestion
Bagge, J., Hölmich, Per, Hammer, F. A., Nehlin, J. O., Vomstein, K., Blønd, L., Hølmich, Lisbet Rosenkrantz & Barfod, Kristoffer Weisskirchner, 2023, In: Journal of Experimental Orthopaedics. 10, 1, 13 p., 31.Research output: Contribution to journal › Journal article › Research › peer-review
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Neither operative nor nonoperative approach is superior for treating displaced midshaft clavicle fractures: a partially blinded randomized controlled clinical trial
Ban, I., Kristensen, Morten Tange, Barfod, Kristoffer Weisskirchner, Eschen, J., Kallemose, T. & Troelsen, Anders, 2021, In: The Bone & Joint Journal. 103-B, 4, p. 762-768 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Sub-chronic lung inflammation after airway exposures to Bacillus thuringiensis biopesticides in mice
Barfod, Kristoffer Weisskirchner, Poulsen, Steen Seier, Hammer, M. & Larsen, S. T., 3 Sep 2010, In: B M C Microbiology. 10, p. 233 1 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Behandling af knæartrose hos yngre voksne
Barfod, Kristoffer Weisskirchner, Skou, S. T. & Troelsen, Anders, 2019, In: Ugeskrift for Laeger. 181, 5 p., V07180471.Research output: Contribution to journal › Journal article › Research › peer-review
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Lægens rolle i forbindelse med tilbagevenden til sport efter korsbåndsrekonstruktion
Barfod, Kristoffer Weisskirchner, Rasmussen, R., Blaabjerg, B., Hölmich, Per & Lind, M., 2018, In: Ugeskrift for Laeger. 180, 26, 5 p., V11170846.Research output: Contribution to journal › Journal article › Research › peer-review
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Treatment of Acute Achilles Tendon Rupture in Scandinavia Does Not Adhere to Evidence-based Guidelines: A Cross-sectional Questionnaire-based Study of 138 Departments
Barfod, Kristoffer Weisskirchner, Nielsen, F., Helander, K. N., Mattila, V. M., Tingby, O., Boesen, A. & Troelsen, Anders, 2013, In: Journal of Foot & Ankle Surgery. 52, 5, p. 629-633 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Knee extensor strength and hop test performance following anterior cruciate ligament reconstruction
Barfod, Kristoffer Weisskirchner, Feller, J. A., Hartwig, T., Devitt, B. M. & Webster, K. E., 2019, In: The Knee. 26, 1, p. 149-154Research output: Contribution to journal › Journal article › Research › peer-review
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Strength Testing After Anterior Cruciate Ligament Reconstruction: A Prospective Cohort Study Investigating Overlap of Tests
Barfod, Kristoffer Weisskirchner, Feller, J. A., Clark, R., Hartwig, T., Devitt, B. M. & Webster, K. E., Nov 2019, In: Journal of Strength and Conditioning Research. 33, 11, p. 3145-3150Research output: Contribution to journal › Journal article › Research › peer-review
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Acute Achilles' Tendon Rupture - Surgery or No Surgery
Barfod, Kristoffer Weisskirchner & Hölmich, Per, 14 Apr 2022, In: New England Journal of Medicine. 386, 15, p. 1465-1466 2 p.Research output: Contribution to journal › Editorial › Research › peer-review
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Effect of the Copenhagen Achilles Rupture Treatment Algorithm (CARTA) on Calf Muscle Volume and Tendon Elongation After Acute Achilles Tendon Rupture: A Predefined Secondary Analysis of the First 60 Patients in a Randomized Controlled Trial
Barfod, Kristoffer Weisskirchner, Overgård, A. B., Hansen, M. S., Haddouchi, I. E., Toft, M. & Hölmich, Per, 2023, In: Orthopaedic Journal of Sports Medicine. 11, 11, 8 p., 23259671231211282.Research output: Contribution to journal › Journal article › Research › peer-review
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Risk of Deep Vein Thrombosis After Acute Achilles Tendon Rupture: A Secondary Analysis of a Randomized Controlled Trial Comparing Early Controlled Motion of the Ankle Versus Immobilization
Barfod, Kristoffer Weisskirchner, Nielsen, E. G., Olsen, B. H., Vinicoff, P. G., Troelsen, Anders & Hölmich, Per, 2020, In: Orthopaedic Journal of Sports Medicine. 8, 4, 9 p., 2325967120915909.Research output: Contribution to journal › Journal article › Research › peer-review
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Severe Functional Debilitations After Complications Associated With Acute Achilles Tendon Rupture With 9 Years of Follow-Up
Barfod, Kristoffer Weisskirchner, Sveen, T. M., Ganestam, A., Ebskov, L. B. & Troelsen, Anders, 2017, In: Journal of Foot and Ankle Surgery. 56, 3, p. 440-444 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The Copenhagen Achilles Length Measurement Performed at Time of Acute Achilles Tendon Rupture is Correlated to Tendon Elongation After 1 Year
Barfod, Kristoffer Weisskirchner, Hansen, M. S., Sandholdt, H., Boesen, A., Hölmich, Per, Troelsen, Anders & Kristensen, Morten Tange, 2022, In: Journal of Foot and Ankle Surgery. 61, 5, p. 1098-1102 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Efficacy of early controlled motion of the ankle compared with immobilisation in non-operative treatment of patients with an acute Achilles tendon rupture: an assessor-blinded, randomised controlled trial
Barfod, Kristoffer Weisskirchner, Hansen, M. S., Hölmich, Per, Kristensen, Morten Tange & Troelsen, Anders, 2020, In: British Journal of Sports Medicine. 54, 12, p. 719-724Research output: Contribution to journal › Journal article › Research › peer-review
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Ledbevarende kirurgi i hofte- og knæled og udviklingen af sekundær artrose
Barfod, Kristoffer Weisskirchner, Viberg, B., Blønd, L. & Mygind-Klavsen, B., 2020, In: Ugeskrift for Laeger. 182, 42, 5 p., V04200262.Research output: Contribution to journal › Journal article › Research › peer-review
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Validation of a novel ultrasound measurement of achilles tendon length
Barfod, Kristoffer Weisskirchner, Riecke, A. F., Boesen, A., Hansen, P., Maier, J. F., Døssing, S. & Troelsen, Anders, 1 Nov 2015, In: Knee Surgery, Sports Traumatology, Arthroscopy. 23, 11, p. 3398-3406 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Validity and reliability of an ultrasound measurement of the free length of the Achilles tendon
Barfod, Kristoffer Weisskirchner, Riecke, A. F., Boesen, A., Hansen, P., Maier, J. F., Doessing, S. & Troelsen, Anders, 2018, In: Danish Medical Journal. 65, 3, 5 p., A5453.Research output: Contribution to journal › Journal article › Research › peer-review
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Treatment of osteoarthritis with autologous and microfragmented adipose tissue
Barfod, Kristoffer Weisskirchner & Blønd, L., 2019, In: Danish Medical Journal. 66, 10, 5 p., A5565.Research output: Contribution to journal › Journal article › Research › peer-review
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En aktiv befolkning er lig med en sund befolkning
Barfod, Kristoffer Weisskirchner & Olesen, J. L., 2019, In: Ugeskrift for Laeger. 181, 2 p., V70420.Research output: Contribution to journal › Editorial › Research
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The critical shoulder angle is associated with osteoarthritis in the shoulder but not rotator cuff tears: a retrospective case-control study
Bjarnison, A. O., Sørensen, T. J., Kallemose, T. & Barfod, Kristoffer Weisskirchner, 2017, In: Journal of Shoulder and Elbow Surgery. 26, 12, p. 2097-2102Research output: Contribution to journal › Journal article › Research › peer-review
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Trochlear Shape and Patient-Reported Outcomes After Arthroscopic Deepening Trochleoplasty and Medial Patellofemoral Ligament Reconstruction: A Retrospective Cohort Study Including MRI Assessments of the Trochlear Groove
Blønd, L. & Barfod, Kristoffer Weisskirchner, 2023, In: Orthopaedic Journal of Sports Medicine. 11, 5, 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Effect of Platelet-Rich Plasma on Nonsurgically Treated Acute Achilles Tendon Ruptures: A Randomized, Double-Blinded Prospective Study
Boesen, A. P., Boesen, M. I., Hansen, R., Barfod, Kristoffer Weisskirchner, Lenskjold, A., Malliaras, P. & Langberg, Henning, 2020, In: American Journal of Sports Medicine. 48, 9, p. 2268-2276 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The reliability, reproducibility and utilization of the radiographic Achilles Tendon Loading Angle in the management of Achilles Tendon rupture
Carmont, M. R., Brorsson, A., Barfod, Kristoffer Weisskirchner, Ginder, L., Littlehales, J., Karlsson, J. & Nilsson-Helander, K., 2021, In: Foot and Ankle Surgery. 27, 7, p. 760-766 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Involvement of Bacteria in the Pathological Changes Before Achilles Tendon Rupture: A Case Series Investigating 16S rDNA in 20 Consecutive Ruptures
Cramer, A., Moser, Claus Ernst, Fritz, Blaine Gabriel, Hölmich, Per & Barfod, Kristoffer Weisskirchner, 2022, In: Orthopaedic Journal of Sports Medicine. 10, 8Research output: Contribution to journal › Journal article › Research › peer-review
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Outcome after acute Achilles tendon rupture is not negatively affected by female sex and age over 65 years
Cramer, A., Jacobsen, N. C., Hansen, M. S., Sandholdt, H., Hölmich, Per & Barfod, Kristoffer Weisskirchner, 2020, In: Knee Surgery, Sports Traumatology, Arthroscopy. 28, 12, p. 3994-4002 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Diabetes and treatment with orally administrated corticosteroids negatively affect treatment outcome at follow-up after acute Achilles tendon rupture
Cramer, A., Jacobsen, N. C., Hansen, M. S., Sandholdt, H., Hölmich, Per & Barfod, Kristoffer Weisskirchner, May 2021, In: Knee Surgery, Sports Traumatology, Arthroscopy. 29, 5, p. 1584-1592 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Completeness and data validity in the Danish Achilles tendon Database
Cramer, A., Hansen, M. S., Sandholdt, H., Jones, P. K., Christensen, M., Jensen, S. M. L., Hölmich, Per & Barfod, Kristoffer Weisskirchner, 2019, In: Danish Medical Journal. 66, 6, 5 p., A5548.Research output: Contribution to journal › Journal article › Research › peer-review
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Genetic contribution to the etiology of Achilles tendon rupture. A Danish nationwide register study of twins
Cramer, A., Barfod, Kristoffer Weisskirchner, Hölmich, Per, Pedersen, D. A. & Christensen, K., 2022, In: Foot and Ankle Surgery. 28, 7, p. 1050-1054Research output: Contribution to journal › Journal article › Research › peer-review
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Achilles Tendon Tissue Turnover Before and Immediately After an Acute Rupture
Cramer, A., Højfeldt, Grith Stougaard, Schjerling, Peter, Agergaard, J., van Hall, Gerrit, Olsen, J., Hölmich, Per, Kjær, Michael & Barfod, Kristoffer Weisskirchner, 2023, In: American Journal of Sports Medicine. 51, 9, 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Neither heel-rise Height (HRH) nor Achilles tendon resting angle (ATRA) show strong correlations to patient limitations and return to previous activities one year after acute Achilles tendon rupture
Cramer, A., Hansen, M. S., Hölmich, Per & Barfod, Kristoffer Weisskirchner, 2022, In: Foot and Ankle Surgery. 28, 6, p. 795-799 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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No clinically relevant difference between operative and non-operative treatment in tendon elongation measured with the Achilles tendon resting angle (ATRA) 1 year after acute Achilles tendon rupture
Cramer, A., Rahdi, E., Hansen, M. S., Sandholdt, H., Hölmich, Per & Barfod, Kristoffer Weisskirchner, May 2021, In: Knee Surgery, Sports Traumatology, Arthroscopy. 29, 5, p. 1617-1626 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Estimation of Patient Acceptable Symptom State (PASS) and Treatment Failure (TF) Threshold Values for the Achilles Tendon Total Rupture Score (ATRS) at 6 Months, 1 Year, and 2 Years After Acute Achilles Tendon Rupture
Cramer, A., Ingelsrud, L. H., Hansen, M. S., Hölmich, Per & Barfod, Kristoffer Weisskirchner, 2022, In: Journal of Foot and Ankle Surgery. 61, 3, p. 503-507Research output: Contribution to journal › Journal article › Research › peer-review
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Familial association and epidemilogical factors as risk factors for developing first time and recurrent patella dislocation: a systematic review and best knowledge synthesis of present literature
Danielsen, O., Poulsen, T. A., Eysturoy, N. H., Mortensen, E. S., Hölmich, Per & Barfod, Kristoffer Weisskirchner, 2023, In: Knee Surgery, Sports Traumatology, Arthroscopy. 31, 9, p. 3701-3733 33 p.Research output: Contribution to journal › Review › Research › peer-review
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Trochlea dysplasia, increased TT-TG distance and patella alta are risk factors for developing first-time and recurrent patella dislocation: a systematic review
Danielsen, O., Poulsen, T. A., Eysturoy, N. H., Mortensen, E. S., Hölmich, Per & Barfod, Kristoffer Weisskirchner, 2023, In: Knee Surgery, Sports Traumatology, Arthroscopy. 31, 9, p. 3806-3846 41 p.Research output: Contribution to journal › Review › Research › peer-review
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Effect of Early Versus Late Weightbearing in Conservatively Treated Acute Achilles Tendon Rupture: A Meta-Analysis
El-Akkawi, A. I., Joanroy, R., Barfod, Kristoffer Weisskirchner, Kallemose, T., Kristensen, S. S. & Viberg, B., 2018, In: Journal of Foot & Ankle Surgery. 57, 2, p. 346-352Research output: Contribution to journal › Review › Research › peer-review
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Validity of sports-related diagnosis codes in the danish national patient register
Gadeberg, M. N., Cramer, A., Hölmich, Per & Barfod, Kristoffer Weisskirchner, 2021, In: Danish Medical Journal. 68, 3, 6 p., A08200580.Research output: Contribution to journal › Journal article › Research › peer-review
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Validity and Reliability of the Achilles Tendon Total Rupture Score
Ganestam, A., Barfod, Kristoffer Weisskirchner, Klit, J. & Troelsen, Anders, 2013, In: Journal of Foot & Ankle Surgery. 52, 6, p. 736-739 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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High incidence of acute and recurrent patellar dislocations: a retrospective nationwide epidemiological study involving 24.154 primary dislocations
Gravesen, K. S., Kallemose, T., Blønd, L., Troelsen, Anders & Barfod, Kristoffer Weisskirchner, Apr 2018, In: Knee Surgery, Sports Traumatology, Arthroscopy. 26, 4, p. 1204–1209Research output: Contribution to journal › Journal article › Research › peer-review
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Persistent morbidity after Medial Patellofemoral Ligament Reconstruction: A registry study with an eight-year follow-up on a nationwide cohort from 1996 to 2014
Gravesen, K. S., Kallemose, T., Blønd, L., Troelsen, Anders & Barfod, Kristoffer Weisskirchner, 2019, In: The Knee. 26, 1, p. 20-25Research output: Contribution to journal › Journal article › Research › peer-review
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Dansk akillessenedatabase - Kvalitetssikring, forskning og anbefalinger til træning efter akillesseneruptur
Hansen, M. S. & Barfod, Kristoffer Weisskirchner, 2018, In: Dansk Sportsmedicin. 22, 2, p. 28-34Research output: Contribution to journal › Journal article › Research › peer-review
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Development and reliability of the Achilles Tendon Length Measure and comparison with the Achilles Tendon Resting Angle on patients with an Achilles tendon rupture
Hansen, M. S., Barfod, Kristoffer Weisskirchner & Kristensen, M. T., 2017, In: Foot and Ankle Surgery. 23, 4, p. 275-280Research output: Contribution to journal › Journal article › Research › peer-review
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Individualized treatment for acute Achilles tendon rupture based on the Copenhagen Achilles Rupture Treatment Algorithm (CARTA): a study protocol for a multicenter randomized controlled trial
Hansen, M. S., Vestermark, M. T., Hölmich, Per, Kristensen, Morten Tange & Barfod, Kristoffer Weisskirchner, 2020, In: Trials. 21, 14 p., 399.Research output: Contribution to journal › Journal article › Research › peer-review
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Achilles tendon gait dynamics after rupture: A three-armed randomized controlled trial comparing an individualized treatment algorithm vs. operative or non-operative treatment
Hansen, M. S., Bencke, J., Kristensen, Morten Tange, Kallemose, T., Hölmich, Per & Barfod, Kristoffer Weisskirchner, 2023, In: Foot and Ankle Surgery. 29, 2, p. 143-150Research output: Contribution to journal › Journal article › Research › peer-review
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The Achilles Tendon Length Measure and the Achilles Tendon Resting Angle show acceptable construct validity using the Copenhagen Achilles Length Measure as gold standard
Hansen, M. S., Kristensen, Morten Tange, Hölmich, Per & Barfod, Kristoffer Weisskirchner, 2021, In: Foot and Ankle Surgery. 27, 6, p. 655-659 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Reliability of the Copenhagen Achilles length measure (CALM) on patients with an Achilles tendon rupture
Hansen, M. S., Kristensen, Morten Tange, Budolfsen, T., Ellegaard, K., Hölmich, Per & Barfod, Kristoffer Weisskirchner, Jan 2020, In: Knee Surgery, Sports Traumatology, Arthroscopy. 28, 1, p. 281-290 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Performance of the Achilles Tendon Total Rupture Score Over Time in a Large National Database: Development of an Instruction Manual for Accurate Use
Hansen, M. S., Nilsson Helander, K., Karlsson, J. & Barfod, Kristoffer Weisskirchner, 2020, In: The American Journal of Sports Medicine. 48, 6, p. 1423-1429Research output: Contribution to journal › Journal article › Research › peer-review
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High tibial osteotomy performed with PEEK implant demonstrated a failure rate of 28%
Hansen, M. I., Staghøj, J., Khan, N., Blønd, L. & Barfod, Kristoffer Weisskirchner, 1 Jan 2021, In: Journal of ISAKOS. 6, 1, p. 8-13 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Rockwood type III is the most common type of acromioclavicular joint dislocation: A prospective cohort study investigating the incidence and epidemiology of acute acromioclavicular joint dislocations in an urban population
Haugaard, K. B., Bak, K., Seem, K., Hölmich, Per & Barfod, Kristoffer Weisskirchner, 2023, In: Shoulder and Elbow. 15, 5, p. 505-512 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Treatment outcome at 1 year did not differ between use of cast or walker in the first 3 weeks after an acute Achilles tendon rupture. A registry study of 1304 patients from the Danish Achilles tendon database
Henriksen, G. J., Cramer, A., Hölmich, Per, Hansen, M. S., Hansen, J. K., Christensen, M. & Barfod, Kristoffer Weisskirchner, 2023, In: Foot and Ankle Surgery. 29, 1, p. 56-62 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 189890183
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Good validity and reliability of the forgotten joint score in evaluating the outcome of total knee arthroplasty
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Validity and reliability of an ultrasound measurement of the free length of the Achilles tendon
Research output: Contribution to journal › Journal article › Research › peer-review
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Gait Function and Postural Control 4.5 Years After Nonoperative Dynamic Treatment of Acute Achilles Tendon Ruptures
Research output: Contribution to journal › Journal article › Research › peer-review
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