Weakness in End-Range Plantar Flexion after Achilles Tendon Repair

2006 ◽  
Vol 34 (7) ◽  
pp. 1120-1125 ◽  
Author(s):  
Michael J. Mullaney ◽  
Malachy P. McHugh ◽  
Timothy F. Tyler ◽  
Stephen J. Nicholas ◽  
Steven J. Lee
2014 ◽  
Vol 2 (11_suppl3) ◽  
pp. 2325967114S0022
Author(s):  
Akın Turgut ◽  
Mert Zeynel Asfuroğlu

Objectives: The ruptures of the Achilles tendon (AT) are relatively common. Since there is no consensus on the best method of the repair of the AT; the treatment is determined on the preference of the surgeon and the patient. The study evaluating the cadaveric and short term clinical results done by our clinic in 2002, has shown us that arthroscopically Achilles tendon repair can be good choise in achilles tendon ruptures. Methods: Fortyfour patients who underwent arthroscopically assisted achilles tendon repair during 1997-2011 in Osmangazi University Orthopaedics and Traumatology Department were retrospectively observed. The mean follow-up time was 69,7 months. One of patients had bilateral rupture. The diagnosis was based on loss of plantar flexion strength, palpation of the gap in the tendon, and a positive Thompson test. MRI and USG were used when needed. The ruptures were left-sided in nineteen patients and right-sided in twentysix. The cause of the rupture was recreational sports activity in thirtyeight, fall from height in four, missing a step in a staircase in two. Return the regular activity, ankle range of motion as compared with the opposite side, calf circumference, and ability to walk and stand tiptoe were recorded. All patients were operated on within 2-32 days after the rupture. Thirtysix operations were performed under spinal anesthesia and eight operations were performed under general anesthesia. Tourniquet was always used. Before starting the procedure, the rupture site and location of the gap are marked. Using the common videoarthroscopic instruments, a 70 degrees scope was inserted into the AT through the stab incision made previously, and the torn ends of the tendon were visualized with plantar flexion an extension of the ankle. After the visualization of the torn ends of the tendon and repair by the technique of Ma and Griffith care was focused to contact the ends of the tendon anatomically; then the sutures were knotted. A short leg circular cast with the ankle in slight plantar flexion was applied. American Orthopaedics Foot-Ankle Society (AOFAS) score was used to evaluate the long-term results.. Results: All patients had satisfactory results that no reruptures had occurred. No significant difference in range of motion of the ankle and calf circumference between the opposite sides was observed in any patient. All patients could walk and stand on tiptoe. AOFAS mean score was 94.5 (65-100). The interval from injury to return to regular work and activities was 8-10 weeks. All the patients were able to return back to their activity level before surgery. In three patients temporary sural hypoestesia, in one patient permanent sural hipoestesia and in one patient wound enfection appeared. No sensory deficit was detected in the temporary sural hypoestesia patients after postoperative second year controls. Medical care was supported to the patient with the wound enfection and the enfection was under control in the early stages. Conclusion: In summary; arthroscopically-assisted percutaneous repair of AT appears to overcome some certain problems of open, conservative and percutaneous techniques; but the neurovascular structure damage risk especially the sural nerve remains a potent problem. Accurate knowledge of the anatomy appears to be a solution. Novel percutaneous repairs have been promising to minimize the risk of sural nerve damage.


2019 ◽  
Vol 26 (2) ◽  
pp. 89-94
Author(s):  
Prisca Yeung ◽  
Lok Pong Man ◽  
Wing Hang Angela Ho

Introduction: Minimal invasive Achilles tendon repair is becoming more and more popular recently. We have evaluated our results in Achilles tendon repair using minimally invasive method by a suture-guiding device. Methods: This is a retrospective review of patients with acute Achilles tendon rupture, which was repaired using minimally invasive method namely the suture-guiding device, that was performed during 2003 to 2015 in our department. Outcome parameters were the incidence of re-rupture, other complications, and the functional outcome. Results: There were 36 men (90%) and 4 women (10%) in this study. Mechanisms of injury were basketball (28%), football (15%), squash (15%), and trauma (13%). The mean operating time was 59 min (range 30–90 min). The mean follow-up time was 8 months (range 3–35 months). The mean duration with casting was 7 weeks. The mean range of movement at 3 months was 8° dorsiflexion and 33° plantar flexion. There was no major complication necessitating surgical re-interventions such as re-ruptures and infections. No patient suffered from dysfunction of the sural nerve or delay wound healing. Conclusion: Minimally invasive Achilles tendon repair using suture-guiding device is a safe and quick procedure with a low rate of re-rupture and a satisfactory short-term and long-term recovery. Level of evidence: IV.


2018 ◽  
Vol 6 (5) ◽  
pp. 232596711877403 ◽  
Author(s):  
Karl F. Orishimo ◽  
Sidse Schwartz-Balle ◽  
Timothy F. Tyler ◽  
Malachy P. McHugh ◽  
Benjamin B. Bedford ◽  
...  

Background: Disproportionate end-range plantar flexion weakness, decreased passive stiffness, and inability to perform a heel rise on a decline after Achilles tendon repair are thought to reflect increased tendon compliance or tendon lengthening. Since this was first noted, we have performed stronger repairs and avoided stretching into dorsiflexion for the first 12 weeks after surgery. Hypothesis: Using stronger repairs and avoiding stretching into dorsiflexion would eliminate end-range plantar flexion weakness and normalize passive stiffness. Study Design: Case series; Level of evidence, 4. Methods: Achilles repairs with epitendinous augmentation were performed on 18 patients. Plantar flexion torque, dorsiflexion range of motion (ROM), passive joint stiffness, and standing single-legged heel rise on a decline were assessed at 43 ± 24 months after surgery (range, 9 months to 8 years). Maximum isometric plantar flexion torque was measured at 20° and 10° of dorsiflexion, neutral position, and 10° and 20° of plantar flexion. Passive dorsiflexion ROM was measured with a goniometer. Passive joint stiffness was computed from the increase in passive torque from 10° to 20° of dorsiflexion. Tendon thickness was measured by use of digital calipers. Plantar flexion electromyographic (EMG) data were recorded during strength and functional tests. Analysis of variance and chi-square tests were used to assess weakness and function. Results: Marked weakness was evident on the involved side at 20° of plantar flexion (deficit, 26% ± 18%; P < .001), with no weakness at 20° of dorsiflexion (deficit, 6% ± 17%; P = .390). Dorsiflexion ROM was decreased 5.5° ± 8° ( P = .015), and tendon width was 8 ± 3 mm greater on the involved side ( P < .001). Passive joint stiffness was similar between the involved and noninvolved sides. Only 2 of 18 patients could perform a decline heel rise on the involved side compared with 18 of 18 on the noninvolved side ( P = .01). No difference in EMG amplitude was found between the involved and noninvolved sides during the strength or heel rise tests. Conclusion: The use of stronger repair techniques and attempts to limit tendon elongation by avoiding dorsiflexion stretching did not eliminate weakness in end-range plantar flexion. EMG data confirmed that end-range weakness was not due to neural inhibition. Physiological changes that alter the force transmission capability of the healing tendon may be responsible for this continued impairment. This weakness has implications for high-demand jumping and sprinting after Achilles tendon repair.


2019 ◽  
Vol 7 (7_suppl5) ◽  
pp. 2325967119S0032
Author(s):  
Malachy P. McHugh ◽  
Karl F. Orishimo ◽  
Ian J. Kremenic ◽  
Julia Adelman ◽  
Stephen J. Nicholas

Objectives: It has been proposed that increased tendon elongation after Achilles tendon repair contributes to selective weakness in end-range plantar flexion (Mullaney et al 2006). Excessive tendon elongation during maximum voluntary contraction (MVC) means greater muscle fiber shortening. Since mean frequency (MF) of the electromyogram (EMG) increases with muscle fiber shortening, it was hypothesized that during isometric plantar flexor MVCs MF would be higher on the involved versus non-involved side. Therefore, the purpose of this study was to examine MF during isometric MVCs in patients with Achilles tendon repairs. Methods: Maximum isometric plantar flexion torque was measured at 20° and 10° dorsiflexion, neutral, and 10° and 20° plantar flexion in 17 patients (mean±SD age, 39±9 years; 15 men, 2 women) 43±24 months after surgery (range, 9 months to 8 years). Surface EMG signals were recorded during strength tests. MF was calculated from Fast Fourier Transforms of medial gastroc (MG) lateral gastroc (LG) and soleus (S) EMG signals. Effect of weakness on MF was assessed using analysis of variance. Based on reported plantar flexor MF values it was estimated that with 17 subjects there would be 80% power to detect a 16% difference in MF between involved and noninvolved legs at P<0.05. Results: Patients had marked weakness in 20° plantar flexion (deficit 28±18%, P<0.01; 14 of 17 deficit >20%) but no significant weakness in 20° dorsiflexion (deficit 8±15%, P=0.20; 4 of 17 deficit >20%). MF increased moving from dorsiflexion to plantar flexion (P<0.001) but overall was not different between involved and noninvolved sides (P=0.22). However, differences in MF between the involved and noninvolved sides were apparent in the patients with marked weakness. At 10° plantar flexion 8 of 17 patients had marked weakness (>20% deficit). MF at 10° plantar flexion was significantly higher on involved versus noninvolved side in patients with weakness but this was not apparent in patients with no weakness (side by group P=0.014; Table 1). MF at 10° plantar flexion average across the 3 muscles was 13% higher on the involved versus noninvolved side in patients with weakness (P=0.012) versus 3% lower in patients with no weakness (P=0.47). Conclusion: Higher MF on the involved versus noninvolved side in patients with significant plantar flexion weakness is consistent with greater muscle fiber shortening. This indicates that weakness was primarily due to excessive lengthening of the repaired Achilles tendon. If weakness were simply due to atrophy, a lower MF would have been be expected and patients would have had weakness throughout the range of motion. Surgical and rehabilitative strategies are needed to prevent excessive tendon elongation and weakness in end-range plantar flexion after Achilles repair. [Table: see text]


2018 ◽  
Vol 3 (3) ◽  
pp. 2473011418S0016
Author(s):  
Daniel Bohl ◽  
Eric Barnard ◽  
Kamran Movassaghi ◽  
Kamran Hamid ◽  
Adam Schiff

Category: Sports Introduction/Purpose: The rate of wound complications following traditional open Achilles tendon repair is reported at 7-8%. In an effort to reduce the rate of wound complications, orthopaedic surgeons have adopted novel minimally invasive techniques. The purpose of this study is to characterize the rate of wound and other early complications following a minimally invasive Achilles tendon repair, to identify any factors associated with increased risk. Methods: The postoperative courses of 55 patients who underwent minimally invasive Achilles tendon repair by two surgeons at separate academic medical centers were retrospectively reviewed. Repair technique was similar in all cases, making use of the same commercially available suture-guidance jig, silicone-impregnated deep suture material, and locking stitch technique. However, 31 procedures used a longitudinal incision and a tourniquet (one surgeon’s preference), while 24 procedures used a transverse incision and no tourniquet (the second surgeon’s preference). Of the 24 procedures using transverse incisions, 2 had to be converted to L-shaped incisions to achieve better access to the tendon. The rates of early complications within 3 months after surgery were characterized and compared between patients with differing procedural characteristics. Results: Of the 55 patients included in the study, 2 (3.6%) developed wound complications. Both wound complications appeared to be reactions to the deep suture material (see Table 1 for details). There was no statistical difference in the rate of wound complications between patients in the longitudinal incision/tourniquet group and patients in the transverse incision/no tourniquet group (6.5% versus 0.0%; p=0.499). Three patients (5.5%) developed sural neuropraxia, which manifested as mild-to-moderate subjective numbness with sensation remaining intact to light touch. There were no cases of re-rupture. At 3-month follow-up, all 55 patients had intact Thompson tests and well-healed wounds. Conclusion: The rate of wound complications following minimally invasive Achilles repair is low at 3.6%. The present study could not demonstrate a difference in risk for wound complications between patients treated with a longitudinal incision and tourniquet and patients treated with a transverse incision and no tourniquet. The wound complications we observed were primarily attributable to inflammatory reactions to the silicone-impregnated deep suture material. Patients should be counseled that although risk for wound complications may be lower with minimally invasive techniques, such techniques do risk sural neuropraxia and deep suture reaction. Further prospective analysis is warranted.


2018 ◽  
Vol 12 (6) ◽  
pp. 503-512 ◽  
Author(s):  
Jeffery S. Hillam ◽  
Neil Mohile ◽  
Niall Smyth ◽  
Jonathan Kaplan ◽  
Amiethab Aiyer

Introduction. Obesity is an increasingly common comorbidity that may negatively affect outcomes following orthopaedic surgery. It is valuable to determine whether obese patients are vulnerable for postoperative complications. The purpose of this study was to analyze data from the American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) to determine the effect of obesity on surgical treatment of Achilles tendon ruptures. Methods. Patients who underwent a surgical repair of the Achilles tendon were retrospectively identified through the ACS NSQIP. The patients were divided into 2 cohorts (obese and nonobese), then perioperative and postoperative factors were evaluated for association with obesity. Results. A total of 2128 patients were identified, of whom 887 (41.7%) were classified as obese. Obesity correlated with an increased operative time, 60.9 versus 56.1 minutes. The only postoperative complication associated with obesity was wound dehiscence. Logistic regression adjusted for comorbid conditions demonstrated that obesity was not associated with an increased risk of wound dehiscence. Conclusion. A large segment of the patient population undergoing Achilles tendon repair is obese. Obesity was found to have an increased association with wound dehiscence, likely related to comorbid conditions, following Achilles tendon repair. Obesity was not significantly associated with any other complication. Levels of Evidence: III, Retrospective Cohort Study


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