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Träfflista för sökning "L773:0749 8063 OR L773:1526 3231 ;pers:(Sernert Ninni 1954)"

Sökning: L773:0749 8063 OR L773:1526 3231 > Sernert Ninni 1954

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1.
  • Hamrin Senorski, Eric, 1989, et al. (författare)
  • Preoperative and Intraoperative Predictors of Long-Term Acceptable Knee Function and Osteoarthritis After Anterior Cruciate Ligament Reconstruction: An Analysis Based on 2 Randomized Controlled Trials.
  • 2019
  • Ingår i: Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association. - : Elsevier BV. - 1526-3231. ; 35:2, s. 489-99
  • Tidskriftsartikel (refereegranskat)abstract
    • To determine preoperative predictors of long-term acceptable knee function and the development of osteoarthritis (OA) in long-term follow-up after anterior cruciate ligament (ACL) reconstruction.This study is a long-term follow-up of 2 previous randomized controlled trials that included 193 patients who underwent unilateral ACL reconstruction with ipsilateral hamstring tendon or patellar tendon autografts. Patients who suffered multiligament injuries, major meniscal injuries, chondral lesions requiring surgical treatment, or had a previous ACL reconstruction were excluded. Patient demographics, preoperative clinical assessments, and intraoperative findings were used to create stepwise multivariable regression models to determine the patient-acceptable symptom state (PASS) in the International Knee Documentation Committee and the development of OA defined as a Kellgren-Lawrence grade ≥2. Knee laxity measurements, hop performance, patient-reported outcome, and concomitant injuries were determined as variables.A total of 147 patients (63.7% men) were eligible for inclusion, with a mean follow-up of 16.4 ± 1.3years. The patients were an average age of 27.9 ± 8.3years at the time of ACL reconstruction. One-half of the cohort reported an International Knee Documentation Committee evaluation system score above the PASS cutoff. The presence of a concomitant injury at operation (odds ratio [OR], 2.61; 95% confidence interval [CI], 1.10-6.21; P= .030) and greater preoperative anteroposterior laxity (OR, 1.87; 95% CI, 1.05-3.35; P= .034) increased the likelihood of achieving a PASS. A longer period between ACL injury and reconstruction (OR, 2.25; 95% CI, 1.02-5.00; P= .046) and older age at reconstruction (OR, 2.28; 95% CI, 1.34-3.86; P= .0023) increased the odds of developing OA at follow-up.Patients who were older at the time of ACL reconstruction and had waited >1year between the injury and reconstruction ran an increased risk of having OA 16years after reconstruction. One in 2 patients reported acceptable long-term knee function, but no risk factor for poorer subjective knee function was identified. Patients who had a minor concomitant injury and increased preoperative anteroposterior knee laxity had increased odds of reporting an acceptable long-term knee function.Level II; prospective comparative study.
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2.
  • Karikis, Ioannis, 1985, et al. (författare)
  • Radiographic Tibial Tunnel Assessment After Anterior Cruciate Ligament Reconstruction Using Hamstring Tendon Autografts and Biocomposite Screws: A Prospective Study With 5-Year Follow-Up
  • 2017
  • Ingår i: Arthroscopy - Journal of Arthroscopic and Related Surgery. - : Elsevier BV. - 0749-8063 .- 1526-3231. ; 33, s. 2184-2194
  • Tidskriftsartikel (refereegranskat)abstract
    • © 2017 Arthroscopy Association of North America Purpose To radiographically assess the tibial tunnel up to 5 years after anterior cruciate ligament (ACL) reconstruction using hamstring tendon autografts and biocomposite interference screws. Methods Fifty-one patients underwent anatomic single-bundle ACL reconstruction with metal interference screws in the femur and biocomposite interference screws in the tibia. Standardized digital radiographs with weight-bearing anteroposterior and lateral views of the index knee were taken in the early postoperative period and at 2 and 5 years postoperatively. Of 51 patients, 40 (78%) underwent radiographic assessment on all 3 occasions. Subjective and objective clinical assessments were obtained preoperatively and at the 5-year follow-up. Results The mean follow-up period was 65 months (±3.9 months), with a minimum of 59 months. The width of the tibial tunnel on the anteroposterior view was 9.4 mm (±1.4 mm) in the early postoperative period and 9.2 mm (±1.5 mm) at 5 years (P =.64). The corresponding widths on the lateral view were 9.6 mm (±1.5 mm) in the early postoperative pe riod and 9.0 mm (±1.4 mm) at 5 years (P =.014). In 33 of 40 patients (83%) the width of the tibial tunnel had decreased on 1 or both views at 5 years compared with the early postoperative period. The study group had improved significantly at the 5-year follow-up compared with the preoperative assessments in terms of the KT-1000 arthrometer laxity tests (MEDmetric, San Diego, CA), pivot-shift test, Tegner activity scale, and Lysholm knee score (P < .001). No correlations were found between the tunnel widths and the KT-1000 assessment. Conclusions In 83% of patients, the width of the tibial tunnel had decreased on 1 or both radiographic views at 5 years compared with the early postoperative period after ACL reconstruction using biocomposite interference screws. Level of Evidence Level II, prospective study.
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3.
  • Karikis, Ioannis, 1985, et al. (författare)
  • The Long-Term Outcome After Early and Late Anterior Cruciate Ligament Reconstruction.
  • 2018
  • Ingår i: Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association. - : Elsevier BV. - 1526-3231. ; 34:6, s. 1907-1917
  • Tidskriftsartikel (refereegranskat)abstract
    • To compare long-term clinical and radiographic outcomes in patients undergoing either early (group A) or late (group B) surgery after anterior cruciate ligament (ACL) injury.ACL reconstruction using hamstring tendon autografts was performed in 30 patients in group A (median age, 23years; range, 17-49years) and 31 patients in group B (median age, 27years; range, 17-38years). The patients in group A were operated on within 5months (median, 3months; range, 2-5months) of injury, whereas those in group B were operated on more than 24months (median, 30months; range, 24-48months) after injury. The follow-up period was 10years (median, 117months [range, 77-222months] in group A and 129months [range, 77-206months] in group B; P= .44). Multiple objective clinical evaluation tests and patient-reported outcome measures were obtained preoperatively and at follow-up. At follow-up, radiographic assessments of knee osteoarthritis (OA) bilaterally were performed.The frequency of meniscectomy at the index operation was significantly lower in group A (20%) than in group B (52%) (P= .01). There were no significant differences between the groups in terms of Tegner and Lysholm scores and laxity tests both preoperatively and at follow-up. Both groups improved over time in terms of Tegner and Lysholm scores (P < .05). At follow-up, significantly more medial-compartment OA in the index knee was found in group B than in group A (P= .037) according to the Ahlbäck classification system. The index knee showed significantly more OA than the contralateral knee in both groups (P< .01).Patients who underwent early ACL reconstruction required significantly fewer meniscectomies at the index operation than patients who underwent late reconstruction and showed significantly less OA on the medial side of the knee 10years after reconstruction. However, no significant differences were found between the groups in terms of clinical assessments.Level III, retrospective comparative study.
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4.
  • Laxdal, Gauti, 1966, et al. (författare)
  • Outcome and risk factors after anterior cruciate ligament reconstruction: a follow-up study of 948 patients
  • 2005
  • Ingår i: Arthroscopy. - : Elsevier BV. - 1526-3231. ; 21:8, s. 958-964
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: The aim of the study was to assess the outcome and risk factors after anterior cruciate ligament (ACL) reconstruction in a large group of patients. TYPE OF STUDY: Case series. METHODS: Included in this retrospective study were 948 patients (323 female, 625 male) with a symptomatic unilateral ACL rupture, who underwent arthroscopic reconstruction using patellar tendon autograft and interference screw fixation at 3 Swedish hospitals. The median age of the patients at the time of the index operation was 26 years (range, 14 to 53 years). The patients underwent surgery at a median of 12 months (range, 0.5 to 360 months) after their injury. Independent physiotherapists performed the follow-up examinations at a median of 32 months (range, 21 to 117 months) postoperatively. RESULTS: Of the 948 patients, 550 (58%) underwent meniscal surgery before, during, or after the ACL reconstruction. The median Tegner activity level was 8 (range, 2-10) before injury, 3 (range, 0-9) preoperatively, and 6 (range, 1-10) at follow-up (P < .0001 preoperative v follow-up). At follow-up, the median Lysholm score was 90 points (range, 14-100), the median KT-1000 anterior side-to-side laxity difference was 1.5 mm (range, -6 to 13 mm), and the median 1-leg hop test quotient was 95% (0% to 167%) compared with the contralateral normal side. At follow-up, 69.3% of the patients were classified as normal or nearly normal according to the International Knee Documentation Committee evaluation system. However, 36% of the patients were unable to or had severe problems performing the knee-walking test. Inferior results correlated with increased time period between the index injury and reconstruction and concomitant joint damage found at the index operation. CONCLUSIONS: Overall, the results were good after ACL reconstruction using patellar tendon autograft and interference screw fixation. Concomitant joint damage and a long time period between the injury and reconstruction are major risk factors for inferior outcome after ACL reconstruction. LEVEL OF EVIDENCE: Level IV, case series.
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6.
  • Kartus, Jüri, 1955, et al. (författare)
  • Long-term clinical and ultrasound evaluation after arthroscopic acromioplasty in patients with partial rotator cuff tears
  • 2006
  • Ingår i: Arthroscopy. - 1526-3231. ; 22:1, s. 44-9
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: Clinical and ultrasound evaluation of patients who had undergone debridement of a partial rotator cuff tear in conjunction with an arthroscopic acromioplasty. TYPE OF STUDY: Retrospective follow-up study. METHODS: Thirty-three consecutive patients were included in the study; 26 of the 33 (79%) patients underwent ultrasound evaluation of both shoulders and were examined by independent observers after a follow-up period of 101 months (range, 60 to 128 months; minimum, 5 years). RESULTS: The median time between onset of symptoms and surgery was 24 months (range, 6 to 360 months). At follow-up, the Constant score was 65 points (range, 15-98). The Constant score on the contralateral side was 84 points (range, 15-96; P < .0001). The strength in abduction was 4.7 kg (range, 1.2 to 11.1 kg) on the operated side and 5.1 kg (range, 1.8 to 10.4 kg) on the contralateral side (not significant). Twelve of the 26 patients reported discomfort or pain in the contralateral shoulder and during the follow-up period, and 3 of 26 had undergone an arthroscopic acromioplasty of the contralateral shoulder. Two of 26 patients underwent further surgery of the index shoulder during the follow-up period. The visual analogue score for pain for the index shoulder was 20 mm (range, 0 to 85). The ultrasound evaluation revealed that 9 of 26 patients had a full-thickness rotator cuff tear in the index shoulder and, of these, 3 of 9 were bilateral. CONCLUSIONS: It appears that an arthroscopic acromioplasty and rotator cuff debridement in patients with partial tears does not protect the rotator cuff from undergoing further degeneration. LEVEL OF EVIDENCE: Level IV.
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7.
  • Magnusson, Lennart, 1959, et al. (författare)
  • A prospective, randomized, clinical and radiographic study after arthroscopic Bankart reconstruction using 2 different types of absorbable tacks
  • 2006
  • Ingår i: Arthroscopy. - 1526-3231. ; 22:2, s. 143-51
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: The aim of the study was to compare the clinical and radiographic results after arthroscopic Bankart reconstruction using 2 different types of absorbable implant. TYPE OF STUDY: Randomized controlled trial. METHODS: A randomized series of 40 patients who had recurrent, unidirectional, post-traumatic shoulder instability were included in the study. All patients underwent an arthroscopic Bankart reconstruction involving either polygluconate co-polymer (PGACP group, n = 20) or self-reinforced poly-L-lactic acid polymer (PLLA group, n = 20) tack implants. The patients underwent clinical and radiographic assessments preoperatively and at 2 years. Additional radiographic assessments were performed at 6 months. RESULTS: Preoperatively, the study groups were comparable in terms of demographics as well as clinical parameters. One patient in each group had a redislocation (5%) during the follow-up period of 2 years. No subluxations were registered. No statistically significant differences were found between the study groups in terms of strength in abduction, range of motion, and Rowe or Constant scores. There was a significant increase in degenerative changes during the follow-up period in both study groups (P = .004). However, no significant differences in degenerative changes were registered between the study groups either preoperatively or at the 2-year follow-up. There were no significant differences in the radiographic visibility of the drill holes used for the absorbable implants between the study groups at the 6-month assessment. However, at the 2-year assessment, the radiographic visibility of the drill holes was significantly greater (P = .004) in the patients in the PLLA group than those in the PGACP group. At the 2-year assessment, no correlation was found between the appearance of the drill holes and the degenerative findings (PGACP group, rho = 0.44; PLLA group, rho = 0.42). CONCLUSIONS: Two years after arthroscopic Bankart reconstruction using either PGA polymer or PLA polymer implants, the overall clinical results were comparable. Radiographic assessments revealed that the degenerative changes increased in both study groups during the follow-up period. Furthermore, the visibility of the drill holes on the 2-year radiographs was greater after using PLLA implants than after using PGACP implants. LEVEL OF EVIDENCE: Level I.
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8.
  • Sernert, Ninni, 1954, et al. (författare)
  • Right and left knee laxity measurements: a prospective study of patients with anterior cruciate ligament injuries and normal control subjects
  • 2004
  • Ingår i: Arthroscopy. - 1526-3231. ; 20:6, s. 564-71
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: The purpose of this study was to analyze and compare knee laxity in a group of patients with a unilateral right anterior cruciate ligament (ACL) rupture and a group of patients with a unilateral left ACL rupture. Another goal was to analyze and compare the knee laxity of the right and left knees in a group of persons without any known knee problems. TYPE OF STUDY: Prospective examination of the same patients preoperatively and 2 years after the reconstruction with examination of the healthy controls at 2 different occasions. METHODS: Group A was composed of 41 patients with a right-sided chronic ACL rupture, and group B was composed of 44 patients with a left-sided chronic ACL rupture. All patients underwent an arthroscopic ACL reconstruction using patellar tendon autograft. Group C was composed of 35 persons without any known knee problems. One experienced physiotherapist performed all the KT-1000 measurements and the clinical examinations. RESULTS: Group A displayed an increased difference in side-to-side laxity between the injured and non-injured side compared with group B in terms of both anterior and total knee laxity. This difference was found to be statistically significant preoperatively (P =.01, anterior; P =.001, total) and at follow-up evaluation 2 years after the index surgery (P =.008, anterior; P =.006, total). In group C, a significant increase was seen in absolute anterior and total laxity in the right knee compared with the left knee when 2 repeated measurements were performed (P <.0001 and P =.003, anterior; P <.0001 and P =.001, total). CONCLUSIONS: The KT-1000 arthrometer revealed a significant increase in laxity measurements in right knees compared with left knees. This difference was found both preoperatively and postoperatively in patients undergoing ACL reconstruction. The same thing was found in a group of persons without any known knee problems. LEVEL OF EVIDENCE: Level II.
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