Browsing by Author "Ozcan, Can"

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Does Concomitant Biceps Tenotomy Affect Shoulder Proprioception and Strength? A Prospective Intra-Individual Comparison After Arthroscopic Rotator Cuff Repair
(Int Scientific Information, Inc, 2025) Ozcan, Can; Guven, Necip; Kaya, Sehmuz
Background: Pathology of the long head of the biceps tendon (LHBT) frequently accompanies rotator cuff tears. Whether concurrent LHBT tenotomy during arthroscopic rotator cuff repair (RCR) adversely affects postoperative shoulder proprioception or upper-limb strength remains uncertain; intra-individual evidence is limited. Material/Methods: A prospective intra-individual comparison was conducted at a single center between May 2018 and December 2021. Consecutive adults who underwent arthroscopic RCR with LHBT tenotomy were evaluated at a postoperative visit. Standardized assessments were performed by a single team. Primary outcomes included shoulder joint-position sense, measured by active position reproduction at predefined targets, and maximum isometric strength, measured with a handheld dynamometer. Statistical analysis included normality testing, paired tests, effect sizes, and 95% confidence intervals (CIs) with Holm adjustment. Results: Seventy-seven patients were analyzed (mean age 58.1 years; 73% women; 69% right side). Side-to-side differences were small. Representative metrics included elbow flexion 4=-0.56 (95% CI,-1.05 to-0.06; P=0.028) and shoulder flexion 4=-0.87 (95% CI,-1.41 to-0.33; P=0.002). Absolute proprioception error at 30 degrees rotation was modestly lower on the operated side (4=-2.00 degrees; 95% CI,-3.68 degrees to-0.32 degrees; P=0.020). Other targets showed no clinically meaningful differences. Effect sizes were small. Conclusions: In patients with clinical indications for tenotomy, concurrent LHBT tenotomy during arthroscopic RCR was unrelated to measurable deficits in shoulder proprioception or upper-limb strength. These findings support clinical acceptability of tenotomy when indicated. Comparative studies are warranted to refine patient selection.
The Impact of Early Weight-Bearing on Results Following Anterior Cruciate Ligament Reconstruction
(Bmc, 2024) Kaya, Sehmuz; Unal, Yunus Can; Guven, Necip; Ozcan, Can; Dundar, Abdulrahim; Turkozu, Tulin; Gokalp, Mehmet Ata
Introduction Anterior cruciate ligament (ACL) ruptures are common injuries that typically affect young, physically active individuals and may require surgical reconstruction. Studies have shown that the long time success of ACL reconstruction depends on the surgical technique and the postoperative rehabilitation strategy. However, there is still no consensus on the content of rehabilitation programs. Hence, additional research is required to elucidate the significance of early weight-bearing in the rehabilitation process following ACL reconstruction. The aim of this article is to examine the impact of weight-bearing on the clinical results of ACL reconstruction.Materials and methods We retrospectively reviewed patient records who had undergone arthroscopic reconstruction using a semitendinosus-gracilis tendon graft for anterior cruciate ligament rupture between January 2018 and December 2020. The study included the data of 110 patients. The patients were split into two groups: Group 1 underwent early weight-bearing, while Group 2 followed a non-weight-bearing regimen for three weeks. We assessed the patients using the anterior drawer test, Lachman test, range of motion, Lysholm knee scale, Cincinnati scale, Tegner scale, International Knee Documentation Committee (IKDC) form and clinical records. Analytical tests were conducted to compare the results.Results The complication rates did not show a significant difference between the groups. Group 1 had higher frequencies of positive anterior drawer and Lachman tests. The Lysholm and Cincinnati knee scores of patients in Group 1 were notably lower than those of patients in Group 2. Additionally, the Tegner activity scores and IKDC scores of patients in Group 1 were also meaningfully lower than those of patients in Group 2. In Group 1 patients, there was no notable relationship observed between body mass index (BMI) and the results of the anterior drawer test (ADT) or Lachman test. However, patients with a BMI of 25 or higher in Group 1 showed a decrease in postoperative IKDC scores. In Group 2 patients, no significant relationship was identified between BMI and either the ADT or the Lachman test outcome.Conclusion Based on current literature and current rehabilitation guidelines following ACL reconstruction, the decision to initiate early weight-bearing is based on a limited number of studies with low levels of evidence. In our study, we found that patients who followed a non-weight-bearing regimen for 3 weeks after surgery had better mid-term results than those who were allowed to bear weight early. It appears that further prospective studies on this topic are needed to update rehabilitation guidelines in the next.