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Recovery From Open Osteocapsular Débridement for Primary Elbow Osteoarthritis Is Rapid and Does Not Depend on Preoperative Motion. JSES Int 2022; 6:1048-1053. [PMID: 36353442 PMCID: PMC9637699 DOI: 10.1016/j.jseint.2022.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background and Hypothesis Osteocapsular débridement is a surgical treatment for functionally limiting primary elbow osteoarthritis (PEOA). We hypothesized that postoperative improvement in range of motion (ROM) following elbow osteocapsular débridement could be grouped into predictable patterns. We also hypothesized that significant improvements in ROM frequently take place for up to 6 months after surgery. Methods A retrospective chart review of patients who underwent open elbow débridement for PEOA was performed. Demographic information and surgical approach were recorded. ROM data were also collected at preoperative, intraoperative, and postoperative intervals of 2 weeks, 6 weeks, 3 months, and 6 months. Growth mixture modeling and latent class growth analysis were performed to identify groups of motion recovery trajectories, while Student’s t-tests were performed to compare ROM data between intervals. Results Our study included 76 patients who underwent open elbow débridement (9 with a lateral approach, 55 medial, and 12 both) for PEOA. The mean preoperative arc of motion was 95° ± 22°. This improved to a mean final motion arc of 127° ± 11 at final follow-up, which was 92% of the mean intraoperative arc. The mean time to achieve final motion was 3 months, with 79% of patients achieving their final ROM arc by this point. Patients achieved an average of 85% of their final arc of motion by the 2-week postoperative visit (92% of final flexion and 61% of final extension). Growth mixture modeling and latent class growth analysis did not identify any statistically significant groupings for postoperative ROM progression trajectories. Arc of motion preoperatively, intraoperatively, and at 2 weeks postoperatively did not correlate with the final arc of motion. There were no characteristics or thresholds of motion which conferred a higher likelihood of achieving a better result postoperatively. Conclusions ROM recovery after osteocapsular débridement for PEOA is not dependent on preoperative, intraoperative, or 2-week postoperative arcs of motion. Most of the ROM recovery occurs in the early postoperative period, with flexion restored preferentially faster than extension. The final arc of motion can be expected by 3 months postoperatively. This knowledge has potential benefit in affecting patients’ personal time commitment to rehabilitation and the overall cost for therapy and splinting beyond the 3-month time point.
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O'Driscoll SW, Lievano JR, Morrey ME, Sanchez-Sotelo J, Shukla DR, Olson TS, Fitzsimmons JS, Vaichinger AM, Shields MN. Prospective Randomized Trial of Continuous Passive Motion Versus Physical Therapy After Arthroscopic Release of Elbow Contracture. J Bone Joint Surg Am 2022; 104:430-440. [PMID: 35234723 DOI: 10.2106/jbjs.21.00685] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Continuous passive motion (CPM) has been used for decades, but we are not aware of any randomized controlled trials (RCTs) in which CPM has been compared with physical therapy (PT) for rehabilitation following release of elbow contracture. METHODS In this single-blinded, single-center RCT, we randomly assigned patients undergoing arthroscopic release of elbow contracture to a rehabilitation protocol involving either CPM or PT. The primary outcomes were the rate of recovery and the arc of elbow motion (range of motion) at 1 year. The rate of recovery was evaluated by measuring range of motion at 6 weeks and 3 months. The secondary outcomes included other range-of-motion-related outcomes, patient-reported outcome measures (PROMs), flexion strength and endurance, grip strength, and forearm circumference at multiple time points. RESULTS A total of 24 patients were assigned to receive CPM, and 27 were assigned to receive PT. At 1 year, CPM was superior to PT with regard to the range of motion, with an estimated treatment difference of 9° (95% confidence interval [CI], 3° to 16°; p = 0.007). Similarly, the use of CPM led to a greater range of motion at 6 weeks and 3 months than PT. The percentage of lost motion recovered at 1 year was higher in the CPM group (51%) than in the PT group (36%) (p = 0.01). The probability of restoring a functional range of motion at 1 year was 62% higher in the CPM group than in the PT group (risk ratio for functional range of motion, 1.62; 95% CI, 1.01 to 2.61; p = 0.04). PROM scores were similar in the 2 groups at all time points, except for a difference in the American Shoulder and Elbow Surgeons (ASES) elbow function subscale, in favor of CPM, at 6 weeks. The use of CPM decreased swelling and reduced the loss of flexion strength, flexion endurance, and grip strength on day 3, with no between-group differences thereafter. CONCLUSIONS Among patients undergoing arthroscopic release of elbow contracture, those who received CPM obtained a faster recovery and a greater range of motion at 1 year, with a higher chance of restoration of functional elbow motion than those who underwent routine PT. LEVEL OF EVIDENCE Therapeutic Level I. See Instructions for Authors for a complete description of levels of evidence.
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Liu W, Sun Z, Xiong H, Liu J, Lu J, Cai B, Wang W, Fan C. What are the prevalence of and factors independently associated with depression and anxiety among patients with posttraumatic elbow stiffness? A cross-sectional, multicenter study. J Shoulder Elbow Surg 2022; 31:469-480. [PMID: 34968692 DOI: 10.1016/j.jse.2021.11.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 11/10/2021] [Accepted: 11/16/2021] [Indexed: 02/01/2023]
Abstract
BACKGROUND Joint stiffness is a common complication after articular-related trauma in the elbow, resulting in significant limb disability, psychological stress, and a negative impact on daily life. No previous study has reported the impact of post-traumatic elbow stiffness (PTES) on psychological health. This study aims to (1) investigate the depression and anxiety levels and (2) identify factors independently associated with depression and anxiety symptoms in patients with PTES. METHODS A total of 108 patients with PTES presenting to 4 collaborative municipal hospitals were consecutively enrolled from September to December 2020. Sociodemographic and clinical characteristics were collected through questionnaires and medical records. The Depression Anxiety Stress Scale-21 was used to assess depression and anxiety status. Ordinal logistic regression analysis was performed to identify factors independently associated with depression and anxiety symptoms. RESULTS The detection rates of mild-to-moderate depression and anxiety are 40.7% and 27.8%, and severe-to-extremely severe levels are 23.1% and 25.9%, respectively. Regression results show that factors independently associated with depression include elbow flexion (odds ratio [OR]per 1° loss = 1.021, 95% confidence interval [CI]: 1.001-1.041, P = .035), elbow pain on movement (ORper 1 point increase = 1.236, 95% CI: 1.029-1.484, P = .023), family relationship (ORless close/very close = 10.059, 95% CI: 2.170-46.633, P = .003), and self-care ability (ORunable/able = 3.858, 95% CI: 1.244-11.961, P = .019). Factors independently associated with anxiety are elbow flexion (ORper 1° loss = 1.031, 95% CI: 1.009-1.052, P = .005), elbow pain on movement (ORper 1 point increase = 1.212, 95% CI: 1.003-1.465, P = .047), and clinically significant heterotopic ossification around elbow (ORyes/no = 2.344, 95% CI: 1.048-5.243, P = .038). CONCLUSION Patients with PTES exhibit significant depression and anxiety symptoms. Several sociodemographic and clinical characteristics are independently associated with depression and anxiety levels. Identifying and addressing these factors may be of particular benefit during PTES management. Future research might address whether depression and anxiety affect the outcome after stiff elbow surgery.
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Affiliation(s)
- Weixuan Liu
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China; Shanghai Engineering Research Center for Orthopedic Material Innovation and Tissue Regeneration, Shanghai, China
| | - Ziyang Sun
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China; Shanghai Engineering Research Center for Orthopedic Material Innovation and Tissue Regeneration, Shanghai, China
| | - Hao Xiong
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China; Shanghai Engineering Research Center for Orthopedic Material Innovation and Tissue Regeneration, Shanghai, China
| | - Junjian Liu
- Department of Orthopedics, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jiuzhou Lu
- Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Bin Cai
- Department of Rehabilitation Medicine, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei Wang
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China; Shanghai Engineering Research Center for Orthopedic Material Innovation and Tissue Regeneration, Shanghai, China
| | - Cunyi Fan
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China; Shanghai Engineering Research Center for Orthopedic Material Innovation and Tissue Regeneration, Shanghai, China.
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Long-term outcomes of open arthrolysis combined with radial head arthroplasty for post-traumatic elbow stiffness: results are durable over 8 years. J Shoulder Elbow Surg 2022; 31:509-521. [PMID: 34808353 DOI: 10.1016/j.jse.2021.10.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 10/17/2021] [Accepted: 10/23/2021] [Indexed: 02/01/2023]
Abstract
BACKGROUND Post-trauma elbow stiffness (PTES) is a common complication after elbow trauma that causes severe upper limb disability. Open elbow arthrolysis (OEA) with radial head arthroplasty (RHA) is an effective method to treat PTES with rotation limitation, or persistent pain/instability after radial head resection. However, no long-term results have been reported for this technique. This study aimed to show the clinical and radiographic outcomes of OEA with RHA over 8 years and compare its efficacy at 3 years (short-term). METHODS Patients with PTES treated by OEA with RHA between September 2010 and December 2012 were retrospectively reviewed. Seventeen patients were followed up over 8 years (range, 100-106 months). A bipolar prosthesis of RHA was performed during OEA. Preoperative, 3-year, and 8-year elbow and forearm motion, upper limb function, radiographic outcomes, and complications were recorded. RESULTS Clinically important improvements in elbow motion and forearm rotation were obtained, from 34° and 58° preoperatively, to 109° and 135° at 3 years, which were maintained over 8 years, to 113° (P = .262) and 134° (P = .489). The Mayo Elbow Performance Index had clinically important increases from the preoperative level of 58 to 94 points at 3 years, and was maintained over 8 years (95 points, P = .422), with 100% reporting excellent to good outcomes. Pain and nerve symptoms were also improved. Complications consisted of new-onset ulnar nerve symptoms in 1 patient, nonclinically significant heterotopic ossification recurrence in 3, humeroulnar arthritis exacerbation in 4, and periprosthetic lucency in 8. CONCLUSIONS OEA with RHA yielded satisfactory short-term outcomes for PTES at 3 years, with substantial improvements in elbow mobility and function, and the results were durable over the long term (8 years).
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Ahmad F, Torres-Gonzales L, Mehta N, Cohen MS, Simcock X, Wysocki RW. Progression Patterns of Range of Motion Progression after Open Release for Posttraumatic Elbow Stiffness. JSES Int 2022; 6:545-549. [PMID: 35572429 PMCID: PMC9091921 DOI: 10.1016/j.jseint.2022.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Background & Hypothesis Post-traumatic stiffness of the elbow may be treated surgically with open osteocapsular release. This study investigated postoperative range of motion (ROM) improvements after this procedure. We hypothesized that there would be predictable recovery patterns and significant progress up to 6 months after surgery. Methods A retrospective chart review of patients who underwent open elbow release for post-traumatic stiffness (PTS) was performed. Demographic information and surgical approach were recorded. Patients with ipsilateral primary elbow osteoarthritis were excluded. Range of motion (ROM) data were collected at preoperative, intraoperative, and postoperative intervals of 2 weeks, 6 weeks, 3 months, and 6 months. Growth mixture modeling (GMM) and latent class growth analysis (LCGA) were performed to identify motion recovery trajectory groups, and Student's t-tests were performed to compare ROM data between intervals. Results One hundred and eighty-seven patients who underwent open elbow release for PTS were included (112 with a medial approach, 50 lateral, and 25 both). The mean preoperative arc was 84° ± 31, and the arc of motion at final follow-up was 119° ± 19 (P < .05). The mean time to the final follow-up arc of motion was 16 weeks, with 56% of patients achieving their final arc by their 3-month follow-up visit. The largest improvement was seen with extension between 6 weeks and 3 months, where 26% of the extension at final follow-up was gained. Most of the recovery occurred within the first 3 months postoperatively, with small improvements thereafter. GMM and LCGA did not identify statistically significant groups for postoperative ROM progression trajectories. Arc of motion preoperatively, intraoperatively, and at 2 weeks postoperatively did not correlate with the final arc of motion. There were no demographic or historical characteristics, or thresholds of motion, which conferred a higher likelihood of achieving a better result postoperatively. Conclusions ROM recovery after surgical release for post-traumatic elbow stiffness did not depend on the preoperative, intraoperative, or 2-week postoperative arcs of motion. Most ROM recovery occurs early after surgery, and maximal arc of motion can be expected by approximately 16 weeks postoperatively. This knowledge may inform patients about their expected rehabilitation and splinting time and reduce the total costs of therapy.
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The influence of short-term complications on the outcomes of total elbow arthroplasty. JSES Int 2021; 5:804-808. [PMID: 34223434 PMCID: PMC8245987 DOI: 10.1016/j.jseint.2021.02.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Background The reported complication rate after total elbow arthroplasty is high, and objective outcomes are not always predictive of satisfaction. This study aims to investigate the effect of a short-term complication on patient satisfaction and patient-reported outcome measures. Methods We retrospectively included 126 patients who received a primary total elbow arthroplasty at our hospital between 2008 and 2018 and compared outcomes between patients with a complication and patients without complications occurring within 1 year using t-tests or Mann-Whitney U tests. P-values were corrected using the Benjamini-Hochberg procedure. Results In total, 26 patients developed a complication (21%). At the 1-year follow-up, there were no significant differences between the groups. At the 3-year follow-up, patients with a complication had a lower median satisfaction score (8 vs. 10; P = .0288) and Oxford Elbow Score (27 vs. 43; P = .0048). At the 5-year follow-up, there were no differences between the groups. However, the number of patients who completed the 5-year follow-up is low (42 patients). Discussion Complications occurred in 21% of patients undergoing total elbow arthroplasty and lead to a decrease in satisfaction and Oxford Elbow Score after 3 years.
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Schneider PS, Johal H, Befus AD, Salo PT, Hart DA, Hildebrand KA. The Dose-Response Effect of the Mast Cell Stabilizer Ketotifen Fumarate on Posttraumatic Joint Contracture: An in Vivo Study in a Rabbit Model. JB JS Open Access 2021; 6:JBJSOA-D-20-00057. [PMID: 34386685 PMCID: PMC8352621 DOI: 10.2106/jbjs.oa.20.00057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Posttraumatic joint contracture is a debilitating complication following an acute fracture or intra-articular injury that can lead to loss of motion and an inability to complete activities of daily living. In prior studies using an established in vivo model, we found that ketotifen fumarate (KF), a mast cell stabilizer, was associated with a significant reduction in the severity of posttraumatic joint contracture. Our primary research question in the current study was to determine whether a dose-response relationship exists between KF and posttraumatic joint contracture reduction.
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Affiliation(s)
- Prism S Schneider
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada
| | | | - A Dean Befus
- University of Alberta, Edmonton, Alberta, Canada
| | - Paul T Salo
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada
| | - David A Hart
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada
| | - Kevin A Hildebrand
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada
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Qian Y, Yu S, Shi Y, Huang H, Fan C. Risk Factors for the Occurrence and Progression of Posttraumatic Elbow Stiffness: A Case-Control Study of 688 Cases. Front Med (Lausanne) 2020; 7:604056. [PMID: 33392226 PMCID: PMC7772462 DOI: 10.3389/fmed.2020.604056] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 11/06/2020] [Indexed: 12/03/2022] Open
Abstract
Background: Elbow stiffness is a severe complication after trauma. Surgical or conservative treatments may be ineffective for restoring functional elbow motion. We aim to evaluate intrinsic and extrinsic factors for the occurrence and severity of elbow stiffness. Methods: This retrospective case–control study included mild/moderate stiffness, severe stiffness, and non-stiffness groups between January 2011 and December 2017 at a single orthopedic center. Multivariable logistic regression analysis and subgroup analysis were used to evaluate age, gender, body mass index, muscle strength, fracture type and site, injury mechanism, immobilization time, elbow dysfunction time, multiple surgeries, nerve symptoms, physical therapy, smoking and alcohol abuse, and dominant hand of stiff elbow as potential risk factors for the occurrence and severity of elbow stiffness. Results: There were 461 patients in the stiffness group and 227 patients in the non-stiffness group. The odds ratios (ORs) of the age, muscle strength, and injury mechanism were 0.960, 0.333, and 0.216 for the occurrence of elbow stiffness. In subgroup evaluation, increased cast immobilization time might be a risk factor for patients receiving conservative therapies (OR = 2.02; p = 0.014). In the evaluation on factors for progression of elbow stiffness, “multiple surgeries” might be a risk factor in surgical treatment by subgroup analysis (OR = 1.943; p = 0.026). Nevertheless, alcohol abuse might increase severity of elbow stiffness in conservatively treated patients (OR = 3.082; p = 0.025). Conclusion: Increased cast immobilization time in the conservative therapy might be a risk factor for stiffness occurrence. Multiple surgeries might be risk factors for stiffness progression. Alcohol abuse potentially increased stiffness severity after conservative treatment.
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Affiliation(s)
- Yun Qian
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Youth Science and Technology Innovation Studio, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shiyang Yu
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Youth Science and Technology Innovation Studio, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yue Shi
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hengye Huang
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Cunyi Fan
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Youth Science and Technology Innovation Studio, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Sixth People's Hospital East Affiliated to Shanghai University of Medicine & Health Sciences, Shanghai, China
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de Klerk HH, Welsink CL, Spaans AJ, Verweij LPE, van den Bekerom MPJ. Arthroscopic and open debridement in primary elbow osteoarthritis: a systematic review and meta-analysis. EFORT Open Rev 2020; 5:874-882. [PMID: 33425376 PMCID: PMC7784140 DOI: 10.1302/2058-5241.5.190095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Primary osteoarthritis (OA) of the elbow can cause disabling symptoms of pain, locking, stiffness, and a limitation in the range of motion. There is no consensus regarding the role of open and arthroscopic debridement in the treatment of symptomatic primary elbow OA. The aim of this study is to systematically review the outcome of surgical debridement. A preoperative/postoperative comparison will be made between the two surgical procedures. All studies reporting on debridement as treatment for primary elbow OA with a minimum of one-year follow-up were included. Outcome parameters were functional results, complications, and performance scores. Data were extracted from 21 articles. The arthroscopic group consisted of 286 elbows with a weighted mean follow-up of 40 ± 17 months (range, 16–75). The open group consisted of 300 elbows with a weighted mean follow-up of 55 ± 20 months (range, 19–85). Both procedures showed improvement in Mayo Elbow Performance Score (MEPS), range of motion (ROM) flexion-extension, and ROM pronation-supination. Only in ROM flexion was a statistically significant difference in improvement seen between the groups in favour of the open group. The arthroscopic group showed improvement in pain visual analogue scale (VAS) scores. Nothing could be stated about pain VAS scores in the open group due to a lack of data. In the arthroscopic group 18 complications (6%) were described, in the open group 29 complications (12%). Surgical debridement is an effective treatment for the disabling symptoms of primary elbow OA with an acceptable complication rate.
Cite this article: EFORT Open Rev 2020;5:874-882. DOI: 10.1302/2058-5241.5.190095
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Affiliation(s)
- Huub H de Klerk
- Department of Orthopaedic Surgery, OLVG, Amsterdam, The Netherlands
| | | | - Anne J Spaans
- Department of Orthopaedic Surgery, St Maartenskliniek, Nijmegen/Boxmeer, The Netherlands
| | - Lukas P E Verweij
- Department of Orthopaedic Surgery, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam Movement Sciences (AMS), Academic Center for Evidence-Based Sports Medicine (ACES), Amsterdam, The Netherlands
| | - Michel P J van den Bekerom
- Department of Orthopaedic Surgery, OLVG, Amsterdam, The Netherlands.,Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
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Gracitelli ME, Guglielmetti CL, Botelho CA, Malavolta EA, Assunção JH, Ferreira Neto AA. Surgical Treatment of Post-traumatic Elbow Stiffness by Wide Posterior Approach. Rev Bras Ortop 2020; 55:570-578. [PMID: 33093721 PMCID: PMC7575365 DOI: 10.1055/s-0039-1700827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Accepted: 07/23/2019] [Indexed: 11/25/2022] Open
Abstract
Objective To demonstrate the clinical outcomes and complication rates of the surgical release with a single posterior approach in the treatment of post-traumatic elbow stiffness. Methods A prospective study with patients submitted to surgery between May 2013 and June 2018 in a single center. The access to the elbow was made through the posterior approach. The patients were followed up by an occupational therapy team, and were submitted to a standardized rehabilitation protocol, with static progressive orthoses and dynamic orthoses. The primary outcome was the range of flexion-extension of the elbow after 6 months. Results A total of 26 patients completed the minimum follow-up of 6-months. The mean range of flexion-extension of the elbow at the end of 6 months was of 98.3 ± 22.0°, with an amplitude gain of 40.0 ± 14.0° in relation to the pre-operative period ( p < 0.001). The average flexion-extension gain at the end of 6 months was of 51.7% ± 17.1% ( p < 0.001). The mean pronosupination at the end of 6 months was of 129.0 ± 42.7° ( p < 0.001). Half of the cases had moderate and severe stiffness in the pre-operative period, compared with 7.7% at 6 months post-operatively ( p < 0.001). The mean score for the Mayo Elbow Performance Score (MEPS) and Disabilities of the Arm, Shoulder and Hand (DASH) instruments was 74.4 ± 16.8 points and 31.7 ± 21.9 points respectively ( p < 0.001 for both). The visual analogue scale (VAS) score presented no statistically significant difference compared to the pre-operative period ( p = 0.096). Complications were observed in 6 (23%) patients, and no new surgical procedures were necessary. Conclusions The surgical release of the elbow associated with a rehabilitation protocol is a safe technique, with satisfactory results and low rate of complications.
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Affiliation(s)
- Mauro E.C. Gracitelli
- Shoulder and Elbow Group, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas, Faculty of Medicine, Universidade de São Paulo, São Paulo, SP, Brazil
| | - César L.B. Guglielmetti
- Shoulder and Elbow Group, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas, Faculty of Medicine, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Caio A.S. Botelho
- Shoulder and Elbow Group, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas, Faculty of Medicine, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Eduardo A. Malavolta
- Shoulder and Elbow Group, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas, Faculty of Medicine, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Jorge H. Assunção
- Shoulder and Elbow Group, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas, Faculty of Medicine, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Arnaldo A. Ferreira Neto
- Shoulder and Elbow Group, Instituto de Ortopedia e Traumatologia, Hospital das Clínicas, Faculty of Medicine, Universidade de São Paulo, São Paulo, SP, Brazil
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Abstract
Post-traumatic elbow stiffness is a disabling condition that remains challenging for upper limb surgeons. Open elbow arthrolysis is commonly used for the treatment of stiff elbow when conservative therapy has failed. Multiple questions commonly arise from surgeons who deal with this disease. These include whether the patient has post-traumatic stiff elbow, how to evaluate the problem, when surgery is appropriate, how to perform an excellent arthrolysis, what the optimal postoperative rehabilitation is, and how to prevent or reduce the incidence of complications. Following these questions, this review provides an update and overview of post-traumatic elbow stiffness with respect to the diagnosis, preoperative evaluation, arthrolysis strategies, postoperative rehabilitation, and prevention of complications, aiming to provide a complete diagnosis and treatment path. Cite this article: Bone Joint Open 2020;1-9:576-584.
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Affiliation(s)
- Ziyang Sun
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Weixuan Liu
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Juehong Li
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Cunyi Fan
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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What Range of Motion and Functional Results Can Be Expected After Open Arthrolysis with Hinged External Fixation For Severe Posttraumatic Elbow Stiffness? Clin Orthop Relat Res 2019; 477:2319-2328. [PMID: 31107330 PMCID: PMC6999955 DOI: 10.1097/corr.0000000000000726] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND The elbow is more susceptible to loss of motion after trauma than any other joint. Open arthrolysis often is performed for posttraumatic elbow stiffness if the stiffness does not improve with nonsurgical treatment, but the midterm results of this procedure and factors that may limit recovery have not been widely studied. QUESTIONS/PURPOSES We reviewed patients who had undergone open arthrolysis with hinged external fixator for severe posttraumatic elbow stiffness (ROM ≤ 60°) with a minimum of 5 years followup to (1) analyze ROM gains; (2) assess functional improvement with the Mayo Elbow Performance Index (MEPI) and DASH, quality of life with the SF-36, pain with VAS, and ulnar nerve function with the Amadio rating scale and Dellon classification; and (3) identify complications and risk factors that might hinder mid-term elbow motion recovery after this procedure. METHODS Between March 2011 and December 2012, we generally offered patients with elbow stiffness an open arthrolysis procedure when function did not improve with 6 months of nonoperative therapy, and no contraindications such as immature heterotopic ossification or complete destruction of articular cartilage were present. During that time, 161 patients underwent open arthrolysis for posttraumatic elbow stiffness at our institution; 49 of them satisfied the study inclusion criteria (adults with elbow ROM ≤ 60° as a result of trauma) and exclusion criteria (stiffness caused by burns or central nervous system injuries, causative trauma associated with nonunion or malunion of the elbow, severe articular damage that would have necessitated joint arthroplasty, or prior elbow release). In general, a combined medial-lateral approach to the elbow was performed to address the soft tissue tethers and any blocks to elbow motion, and a hinged external fixator was applied for 6 weeks to maintain elbow stability and improve the efficacy of postoperative rehabilitation. These patients were evaluated retrospectively at a mean followup period of 69 months (range, 62-83 months), and demographics, disease characteristics, arthrolysis details, pre- and postoutcome measures as noted, and complications were recorded via an electronic database. Multivariate regression analysis was performed to identify factors associated with ROM recovery. RESULTS At final followup, total ROM increased from a preoperative mean of 27 ± 20° to a postoperative mean of 131 ± 11° (mean difference, 104°; 95% CI, 98°-111°; p < 0.001), and 98% (48 of 49) of patients achieved a functional ROM of 30° to 130°. Improvements were also found in functional scores (MEPI: 54 ± 12 to 95 ± 7, mean difference, 41 points; DASH: 48 ± 17 to 8 ± 8, mean difference, 40 points; both p < 0.001), life quality (physical SF-36: 46 ± 11 to 81 ± 12, mean difference, 35 points; mental SF-36: 43 ± 14 to 80 ± 9, mean difference, 37 points; both p < .001), pain (VAS: 2.5 ± 2.4 to 0.4 ± 0.8; mean difference, 2.0 points; p < 0.001), and ulnar nerve function (Amadio score: 7.8 ± 1.9 to 8.4 ± 0.8; mean difference, 0.6 points; p = 0.004). A total of 18% (nine of 49 patients) developed complications, including new-onset or exacerbated nerve symptoms (four patients), recurrent heterotopic ossification (two patients), and pin-related infections (three patients). No patients underwent subsequent surgery for any of the above complications. Lastly, the medium-term ROM was divided into ROM ≤ 120° (n = 9) and ROM > 120° (n = 40). After controlling for potential confounding variables such as duration of stiffness and tobacco use, we found that tobacco use was the only independent risk factor examined (odds ratio, 9; 95% CI, 2-47; p = 0.009) associated with recovery of ROM. CONCLUSIONS Satisfactory medium-term results were found for open arthrolysis with hinged external fixation with our protocol in patients who had severe posttraumatic elbow stiffness. Appropriate and sufficient releases of tethered soft tissues and correction of any blocks that affect elbow motion intraoperatively, a dedicated team approach, and an aggressive and systematic postoperative rehabilitation program are the core steps for this procedure. Additionally, the importance of preoperative discontinuation of tobacco use should be emphasized. LEVEL OF EVIDENCE Level IV, therapeutic study.
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Yu S, Chen M, Fan C. Team Approach: Elbow Contracture Due to Heterotopic Ossification. JBJS Rev 2019; 5:01874474-201701000-00004. [PMID: 28135231 DOI: 10.2106/jbjs.rvw.16.00008] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Shiyang Yu
- 1Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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Willinger L, Lacheta L, Imhoff AB, Siebenlist S. Der steife Ellenbogen – Teil 1. ARTHROSKOPIE 2019. [DOI: 10.1007/s00142-019-0271-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Sun Z, Cui H, Liang J, Li J, Wang X, Fan C. Determining the effective timing of an open arthrolysis for post-traumatic elbow stiffness: a retrospective cohort study. BMC Musculoskelet Disord 2019; 20:122. [PMID: 30909899 PMCID: PMC6434886 DOI: 10.1186/s12891-019-2506-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 03/13/2019] [Indexed: 01/17/2023] Open
Abstract
Background Following trauma, the elbow is the most susceptible to restricted motion among all joints. Open arthrolysis is often performed for post-traumatic elbow stiffness if that stiffness does not improve with non-operative management. However, the optimal timing for performing an open arthrolysis remains controversial. The purpose of this study was to compare the outcome (elbow motion and function) and the rate of complications among patients who had undergone early, median and late release procedures to establish an optimal time interval following the injury, after which, an effective open arthrolysis can be performed. Methods In this retrospective cohort study, we included total 133 patients, who had undergone open arthrolysis for post-traumatic elbow stiffness. The subjects were divided into 3 groups, with 31 patients in the early release group (arthrolysis performed at 6–10 months after injury), 78 patients in the median release group (at 11–20 months), and 24 patients in the late release group (at > 20 months). The release procedure in all patients was performed by the same surgeon, using the same technique. The general data, functional performance, and complications, if any, were retrospectively documented for all patients and statistically analysed. Results The demographic data and disease characteristics of all patients were comparable at baseline. Postoperatively, no significant differences were found among the three groups with respect to the range of motion (p = 0.067), Mayo Elbow Performance Score (p = 0.350) and its ratings (p = 0.329), visual analog scale score for pain (p = 0.227), Dellon classification for ulnar nerve symptoms (p = 0.497), and each discrete complication (all p values > 0.05). Conclusions At the final follow-up, our results showed no significant difference in the postoperative elbow motion capacities, functional scores and the rates of complications among patients who had undergone an early, median, and late release. Therefore, we have recommended that an early arthrolysis would be preferable due to its multiple advantages, and the conventionally observed interval of > 1 year after the injury, could be shortened. Level of evidence Level III; Retrospective Cohort Design; Therapeutic Study.
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Affiliation(s)
- Ziyang Sun
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, People's Republic of China
| | - Haomin Cui
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, People's Republic of China
| | - Jiaming Liang
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, People's Republic of China
| | - Juehong Li
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, People's Republic of China
| | - Xu Wang
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, People's Republic of China
| | - Cunyi Fan
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, People's Republic of China. .,Department of Orthopedics, Shanghai Sixth People's Hospital East Affiliated to Shanghai University of Medicine & Health Sciences, Shanghai, People's Republic of China.
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Surgical Management of the Posttraumatic Stiff Elbow: A Step-Wise Algorithm for Open Osteocapsular Release. Tech Hand Up Extrem Surg 2018; 22:127-133. [PMID: 30300246 DOI: 10.1097/bth.0000000000000206] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Posttraumatic elbow stiffness is common with the primary indication for contracture release being limited motion that affects functional activities which has not adequately improved after intensive therapy and rehabilitation. Preoperative evaluation focuses on the history of previous nonoperative and/or operative treatment, physical exam with particular attention paid to the status of the ulnar nerve, and imaging consisting of radiographs and computed tomography. There are multiple intrinsic and extrinsic causes of posttraumatic contracture. In general, limitation of motion in one direction can be attributed to a mechanical block and/or opposing contracture or tightness. Open elbow contracture release has been shown to improve motion, patient health status and disability scores with the specific surgical approach based upon the contracture pathology and surgeon preference. A step-wise algorithm is presented for open osteocapsular release. An anterior and posterior release is performed first through a lateral approach with the addition of a medial approach if ulnar nerve dysfunction exists or inadequate release has been obtained from the lateral approach. A previous posterior incision can be utilized by raising full thickness flaps. After release, gentle manipulation is performed and intraoperative stability is assessed with stress testing under fluoroscopy. Postoperatively, pain is managed with an in-dwelling nerve catheter and rehabilitation commences immediately. Significant improvement in range of motion can be expected with adequate surgical release and postoperative rehabilitation.
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Manipulation Under Anesthesia as a Treatment of Posttraumatic Elbow Stiffness: Should We Really? J Orthop Trauma 2018; 32:e497-e498. [PMID: 30277988 DOI: 10.1097/bot.0000000000001339] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Haglin JM, Kugelman DN, Christiano A, Konda SR, Paksima N, Egol KA. Open surgical elbow contracture release after trauma: results and recommendations. J Shoulder Elbow Surg 2018; 27:418-426. [PMID: 29290605 DOI: 10.1016/j.jse.2017.10.023] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 10/08/2017] [Accepted: 10/18/2017] [Indexed: 02/01/2023]
Abstract
BACKGROUND Post-traumatic elbow contracture is a debilitating complication after elbow trauma. The purpose of this study was to characterize the affected patient population, operative management, and outcomes after operative elbow contracture release for treatment of post-traumatic elbow contracture. METHODS A retrospective record review was conducted to identify all patients who underwent post-traumatic elbow contracture release performed by 1 of 3 surgeons at one academic medical center. Patient demographics, injuries, operative details, outcomes, and complications were recorded. RESULTS The study included 103 patients who met inclusion criteria. At the time of contracture release, patients were a mean age of 45.2 ± 15.6 years. Contracture release resulted in a significant mean increase to elbow extension/flexion arc of motion of 52° ± 18° (P < .0005). Not including recurrence of contracture, a subsequent complication occurred in 10 patients (10%). Radiographic recurrence of heterotopic ossification (HO) occurred in 14 patients (14%) after release. Ten patients (11%) elected to undergo a secondary operation to gain more motion. CONCLUSION Soft tissue and bony elbow contracture release is effective. Patients with post-traumatic elbow contracture can make significant gains to their arc of motion after contracture release surgery and can expect to recover a functional elbow arc of motion. Patients with severe preoperative contracture may benefit from concomitant ulnar nerve decompression. HO prophylaxis did not affect the rate of HO recurrence or ultimate elbow range of motion. However, patients must be counseled that contracture may reoccur, and some patients may require or elect to have more than one procedure to achieve functional motion.
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Affiliation(s)
- Jack M Haglin
- Trauma Division, Orthopaedic Department, NYU Hospital for Joint Diseases, New York, NY, USA
| | - David N Kugelman
- Trauma Division, Orthopaedic Department, NYU Hospital for Joint Diseases, New York, NY, USA
| | - Anthony Christiano
- Trauma Division, Orthopaedic Department, NYU Hospital for Joint Diseases, New York, NY, USA
| | - Sanjit R Konda
- Trauma Division, Orthopaedic Department, NYU Hospital for Joint Diseases, New York, NY, USA; Trauma Division, Orthopaedic Department, Jamaica Hospital Medical Center, Queens, NY, USA
| | - Nader Paksima
- Trauma Division, Orthopaedic Department, NYU Hospital for Joint Diseases, New York, NY, USA; Trauma Division, Orthopaedic Department, Jamaica Hospital Medical Center, Queens, NY, USA
| | - Kenneth A Egol
- Trauma Division, Orthopaedic Department, NYU Hospital for Joint Diseases, New York, NY, USA; Trauma Division, Orthopaedic Department, Jamaica Hospital Medical Center, Queens, NY, USA.
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Willinger L, Siebenlist S, Lenich A, Liska F, Imhoff AB, Achtnich A. Arthroscopic arthrolysis provides good clinical outcome in post-traumatic and degenerative elbow stiffness. Knee Surg Sports Traumatol Arthrosc 2018; 26:312-317. [PMID: 28668971 DOI: 10.1007/s00167-017-4630-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2017] [Accepted: 06/26/2017] [Indexed: 11/26/2022]
Abstract
PURPOSE AND HYPOTHESIS The purpose of this retrospective study was to report on the functional outcome after arthroscopic arthrolysis in patients with post-traumatic or degenerative elbow stiffness. It was hypothesized that this operative procedure leads to improved range of motion (ROM) and improved functional outcome in both groups. METHODS Patients who underwent arthroscopic arthrolysis of the elbow between 2010 and 2015 were included in this study. Forty-two patients with an average age of 41.0 ± 13.5 years were available for evaluation. The mean follow-up was 28.3 ± 14.9 months. With regard to aetiology of elbow contractures, patients were divided into post-traumatic (group A) and degenerative (group B) cohort. General patients' data, previous surgical treatment and ROM were recorded. At follow-up evaluation, the clinical outcome was assessed by the ROM, visual analogue scale (VAS) for pain assessment and the Elbow Self-Assessment Score (ESAS). RESULTS The mean arc of motion of group A (n = 20) increased from preoperatively 74.3° to 120.5° postoperatively (p < 0.001); group B (n = 22) showed an improvement of 104.6° preoperatively to 123.4° after surgery (p = 0.002). Mean improvement was 46.3° ± 27.5° in group A and 16.4° ± 19.4° in group B. Mean post-operative VAS was 0.9 ± 1.5 in group A and 1.3 ± 2.2 in group B. 92.9% of patients achieved a functional arc of elbow motion >100°. The ESAS indicated good to excellent clinical outcome showing 88.8 ± 10.0 points in group A and 84.1 ± 21.4 points in group B. Thirty-six patients (85.7%) returned to their previous work level after surgery. CONCLUSIONS Arthroscopic arthrolysis is an effective treatment option for patients with restriction in elbow motion reasoned by post-traumatic or degenerative changes. Both groups showed a significant improvement of ROM and comparable outcome scores. LEVEL OF EVIDENCE Therapeutic study, Level IV.
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Affiliation(s)
- Lukas Willinger
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University Munich, Ismaningerstr. 22, 81675, Munich, Germany
| | - Sebastian Siebenlist
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University Munich, Ismaningerstr. 22, 81675, Munich, Germany
| | - Andreas Lenich
- Department of Trauma and Orthopedic Surgery, HELIOS Klinikum München West, Munich, Germany
| | - Franz Liska
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University Munich, Ismaningerstr. 22, 81675, Munich, Germany
| | - Andreas B Imhoff
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University Munich, Ismaningerstr. 22, 81675, Munich, Germany.
| | - Andrea Achtnich
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, Technical University Munich, Ismaningerstr. 22, 81675, Munich, Germany
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Viveen J, Doornberg JN, Kodde IF, Goossens P, Koenraadt KLM, The B, Eygendaal D. Continuous passive motion and physical therapy (CPM) versus physical therapy (PT) versus delayed physical therapy (DPT) after surgical release for elbow contractures; a study protocol for a prospective randomized controlled trial. BMC Musculoskelet Disord 2017; 18:484. [PMID: 29166890 PMCID: PMC5700741 DOI: 10.1186/s12891-017-1854-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Accepted: 11/15/2017] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The elbow is prone to stiffness after trauma. To regain functional elbow motion several conservative- and surgical treatment options are available. Conservative treatment includes physical therapy, intra-articular injections with corticosteroids and a static progressive or dynamic splinting program. If conservative treatment fails, an operative release of the posttraumatic stiff elbow is often performed. The best Evidence-Based rehabilitation protocol for patients after an operative release is unknown to date and differs per surgeon, hospital and country. Options include early- or delayed motion supervised by a physical therapist, immediate continuous passive motion (CPM), (night) splinting and a static progressive or dynamic splinting program. METHODS/DESIGN The SET-Study (Stiff Elbow Trial) is a single-centre, prospective, randomized controlled trial. The primary objective of this study is to compare the active Range of Motion (ROM) (flexion arc and rotational arc) twelve months after surgery between three groups. The first group will receive in-hospital CPM in combination with early motion Physical Therapy (PT) supervised by a physical therapist, the second group will receive only in-hospital early motion PT supervised by a physical therapist and the third group will receive outpatient supervised PT from postoperative day seven till ten. Secondary outcome measures will be Patient Reported Outcome Measures (PROMs) including the Mayo Elbow Performance Score (MEPS), the Oxford Elbow Score (OES), the quick Disabilities of Arm, Shoulder and Hand (qDASH) score, Visual Analogue pain Scale in rest and activity (VAS), Pain Catastrophizing Scale (PCS), the Short Form (SF)-36, the Centre for Epidemiological Studies Depression Scale Revised (CESD-R) and the Work Rehabilitation Questionnaire (WORQ) for the upper limb. DISCUSSION A successful completion of this trial will provide evidence on the best rehabilitation protocol in order to (re)gain optimal motion after surgical release of the stiff elbow. TRIAL REGISTRATION The trial is registered at the Dutch Trial Register: NTR6067 , 31-8-2016.
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Affiliation(s)
- Jetske Viveen
- , Department of Orthopaedic Surgery, Amphia Hospital, PO box 90158, Molengracht 21, 4818, CK, Breda, The Netherlands.
| | - Job N Doornberg
- Department of Orthopaedic Surgery, Flinders University, Bedford Park SA, Adelaide, 5042, Australia
| | - Izaak F Kodde
- Department of Orthopaedic Surgery, University of Amsterdam, Meibergdreef 9, 1105, AZ, Amsterdam-Zuidoost, The Netherlands
| | - Pjotr Goossens
- , Department of Orthopaedic Surgery, Amphia Hospital, PO box 90158, Molengracht 21, 4818, CK, Breda, The Netherlands
| | - Koen L M Koenraadt
- , Foundation for Orthopaedic Research, Care & Education, Amphia Hospital, 4818 , CK, Breda, The Netherlands
| | - Bertram The
- , Department of Orthopaedic Surgery, Amphia Hospital, PO box 90158, Molengracht 21, 4818, CK, Breda, The Netherlands
| | - Denise Eygendaal
- , Department of Orthopaedic Surgery, Amphia Hospital, PO box 90158, Molengracht 21, 4818, CK, Breda, The Netherlands.,Department of Orthopaedic Surgery, University of Amsterdam, Meibergdreef 9, 1105, AZ, Amsterdam-Zuidoost, The Netherlands
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Gundes H, Selek Ö, Gok U, Gumuslu B, Buluc L. The relation between elbow range of motion and patient satisfaction after open release of stiff elbow. ACTA ORTHOPAEDICA ET TRAUMATOLOGICA TURCICA 2017. [PMID: 28645832 PMCID: PMC6197447 DOI: 10.1016/j.aott.2017.05.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Objective The aim of this retrospective study was to find out whether a cut off value existed for elbow flexion and extension after open surgical release of elbow contracture that would correlate with subjective patient satisfaction. Methods The study enrolled 77 patients (53 males and 24 females with a mean age of 35.1 (18–77) years at the time of operation) with elbow contracture who attended regular follow-up appointments for more than 12 months. The mean follow up period was 44.2 months (12–186). The preoperative and postoperative modified MAYO elbow scores, objective parameters of increase in both flexion and extension end point measurements and improvement in total ROM were compared in order to determine the cut off degree of ROM in both flexion and extension that significantly correlated with patient satisfaction. Results Of the 77 participating patients, 26 patients had an extrinsic (33.8%) and 51 patients had an intrinsic elbow contracture (66.2%). Surgeries performed involved 40 cases of lateral release and 37 cases of both lateral and medial (progressive) release. The median preoperative total flexion-extension arch (ROM) was 45° (20°–65°). The median postoperative total flexion-extension arch (ROM) was 110° (97.5°–125°). The modified MAYO elbow score improved from 60 to 85 points postoperatively. The postoperative flexion cut off value was 115° for an excellent or good postoperative modified MAYO elbow score. Conclusion Post-operative flexion cut off value was 115° and had a positive effect on the postoperative patient satisfaction. The cut off value for postoperative extension was 20° but it was not a significant variable on patient satisfaction as was the total increase in ROM. Level of significance Level IV Therapeutic Study.
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Affiliation(s)
| | | | - Umit Gok
- Kocaeli University, Kocaeli, Turkey
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Abstract
Posttraumatic stiff elbow is a frequent and disabling complication and poses serious challenges for its management. In this review forty studies were included to know about the magnitude of the problem, causes, pathology, prevention, and treatment of posttraumatic stiff elbow. These studies show that simple measures such as internal fixation, immobilization in extension, and early motion of elbow joint are the most important steps that can prevent elbow stiffness. It also supports conservative treatment in selected cases. There are no clear guidelines about the choice between the numerous procedures described in literature. However, this review article disproves two major beliefs-heterotopic ossification is a bad prognostic feature, and passive mobilization of elbow causes elbow stiffness.
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Affiliation(s)
- Ravi Mittal
- Department of Orthopaedics, All India Institute of Medical Sciences, New Delhi, India,Address for correspondence: Prof. Ravi Mittal, Department of Orthopaedics, All India Institute of Medical Sciences, Ansari Nagar, New Delhi - 110 029, India. E-mail:
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Cai J, Zhou Y, Chen S, Sun Y, Yuanming O, Ruan H, Fan C. Ulnar neuritis after open elbow arthrolysis combined with ulnar nerve subcutaneous transposition for post-traumatic elbow stiffness: outcome and risk factors. J Shoulder Elbow Surg 2016; 25:1027-33. [PMID: 27039670 DOI: 10.1016/j.jse.2016.01.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 12/23/2015] [Accepted: 01/07/2016] [Indexed: 02/01/2023]
Abstract
BACKGROUND Ulnar neuritis (UN) is a common complication of open elbow arthrolysis for elbow stiffness. The purpose of this study was to evaluate the outcome of subcutaneous anterior transposition of the ulnar nerve during open elbow arthrolysis and to describe the risk factors for UN. METHODS We retrospectively studied 260 patients with post-traumatic elbow stiffness who underwent routine ulnar nerve transposition during open elbow arthrolysis. Patient demographics, clinical characteristics, and incidence and reoperation rate of UN were recorded. UN was defined as new-onset ulnar nerve symptoms and no relief or worsening of pre-existing ulnar nerve symptoms during the period of postoperative rehabilitation. Factors affecting the development of UN were analyzed by univariate and multivariate analyses. RESULTS A total of 9.2% of the patients had UN, 25% of whom required reoperation for progressive neuropathy. The Dellon grade of patients associated with UN at last follow-up improved significantly compared with that preoperatively. The mean arc of motion in patients with UN decreased during follow-up in a time-dependent manner. Univariate analysis showed that male sex, limited preoperative flexion and arc of motion, preoperative heterotopic ossification (HO), and preoperative ulnar nerve symptoms were significantly associated with the development of UN. Multivariate regression analysis revealed that preoperative HO was the only independent risk factor for the development of UN. CONCLUSIONS UN is still an important complication, although ulnar nerve subcutaneous transposition was performed during open arthrolysis for post-traumatic elbow stiffness. Identified risk factors for UN, especially preoperative HO, should be taken into consideration before surgery.
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Affiliation(s)
- Jiangyu Cai
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yi Zhou
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Shuai Chen
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yangbai Sun
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Ouyang Yuanming
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Hongjiang Ruan
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Cunyi Fan
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
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Cai J, Wang W, Yan H, Sun Y, Chen W, Chen S, Fan C. Complications of Open Elbow Arthrolysis in Post-Traumatic Elbow Stiffness: A Systematic Review. PLoS One 2015; 10:e0138547. [PMID: 26383106 PMCID: PMC4575202 DOI: 10.1371/journal.pone.0138547] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Accepted: 08/31/2015] [Indexed: 12/27/2022] Open
Abstract
Objective The objective of this study was to systematically review the literature for a more comprehensive understanding of the complications of open elbow arthrolysis in patients with post-traumatic elbow stiffness and provide a reference for better prevention and treatment of them. Methods The PubMed, EMBASE, Cochrane Library, and Google Scholar databases were searched for therapeutic studies with a set of inclusion and exclusion criteria. Data were extracted from selected articles, and a statistical analysis was performed to evaluate related factors and management of the complications. Results Twenty-eight articles published between 1989 and 2013, involving 810 patients, were included. Most of the complications included in the selected articles were nerve complications, heterotopic ossification, elbow instability, infection, pin-related complications and repeat elbow contracture. The total complication rate was 24.3% ± 3.0%, and the reoperation rate was 34.0%. Furthermore, the statistical analysis revealed that preoperative range of motion (β = -0.004, P = 0.01) and proportion of female (β = 0.336, P = 0.04) were the independent factors affecting the total complication rate. Conclusions Various risk factors are related to each of the complications, and we found that patients with less preoperative ROM and a higher proportion of female gender may point to a higher total complication rate. Therefore, to further improve the overall outcomes of this procedure, more and larger prospective studies should be performed to further elucidate the effects of prophylactic interventions targeting the risk factors, thus improving the methods of prevention and treatment of complications.
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Affiliation(s)
- Jiangyu Cai
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600 Yishan Road, Shanghai, P. R. China, 200233
| | - Wei Wang
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600 Yishan Road, Shanghai, P. R. China, 200233
| | - Hede Yan
- Division of Plastic and Hand Surgery, Department of Orthopedics, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, P. R. China, 325027
| | - Yangbai Sun
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600 Yishan Road, Shanghai, P. R. China, 200233
| | - Wei Chen
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600 Yishan Road, Shanghai, P. R. China, 200233
| | - Shuai Chen
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600 Yishan Road, Shanghai, P. R. China, 200233
| | - Cunyi Fan
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, 600 Yishan Road, Shanghai, P. R. China, 200233
- * E-mail:
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Abstract
Compared with arthroscopic release, open release is more commonly used for the treatment of stiff elbow. Flexion is recovered by releasing posterior tethering soft-tissue structures and by removing anterior impingement between the coronoid and/or radial head and the distal humerus. Extension is improved by releasing anterior soft-tissue tethers and by removing impingement between the olecranon tip and the olecranon fossa. Open elbow release is most commonly performed via ligament-sparing approaches. Ulnar nerve identification and transposition is recommended in the presence of nerve dysfunction or when correction of significant loss of elbow flexion is anticipated. Long-term improvement in flexion and extension can be expected with proper patient selection. Less predictable results are obtained in adolescent patients and in those with underlying traumatic brain injury.
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Veltman ES, Doornberg JN, Eygendaal D, van den Bekerom MPJ. Static progressive versus dynamic splinting for posttraumatic elbow stiffness: a systematic review of 232 patients. Arch Orthop Trauma Surg 2015; 135:613-7. [PMID: 25764510 DOI: 10.1007/s00402-015-2199-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2014] [Indexed: 11/28/2022]
Abstract
INTRODUCTION The elbow is prone to stiffness after trauma. To regain functional elbow motion, several conservative and surgical treatment options are available. Nonoperative treatment includes physical therapy, intra-articular injections with corticosteroids, and a static progressive or dynamic splinting program. The objective of this study was to perform a comprehensive review of the literature to evaluate the best current evidence for nonoperative treatment options for posttraumatic elbow stiffness. METHODS We performed a search of all studies on nonoperative treatment for elbow stiffness in human adults. All articles describing nonoperative treatment of elbow stiffness, written in the English, German, French or Dutch language, including human adult patients and with the functional outcome reported were included in this study. RESULTS Eight studies (including 232 patients) met our eligibility criteria and were included for data analysis and pooling. These studies included one randomized controlled trial and seven retrospective cohort studies. Static progressive splinting was evaluated in 160 patients. The average pre-splinting range of motion of all elbows was 72°, which improved by 36° after splinting to an average post-splinting arc of motion of 108°. Dynamic splinting was evaluated in 72 patients with an average pre-splinting range of motion of 63°. The average improvement was 37° to an average post-splinting arc of motion of 100°. CONCLUSIONS Both dynamic orthoses and static progressive splinting show good results for the treatment of elbow stiffness, regardless of etiology. The choice for one treatment over the other is based on the preference of the surgeon and patient. We recommend to continue nonoperative treatment with dynamic or static bracing for 12 months or until patients stop making progression in range of elbow motion.
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Affiliation(s)
- Ewout S Veltman
- Department of Orthopaedic Surgery, Spaarne hospital, Hoofddorp, The Netherlands,
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Menendez ME, Ring D. Disability after nondisplaced and minimally displaced radial head fractures: Misleading conclusions. Injury 2014; 45:2117. [PMID: 25150753 DOI: 10.1016/j.injury.2014.07.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Accepted: 07/27/2014] [Indexed: 02/02/2023]
Affiliation(s)
- Mariano E Menendez
- Orthopaedic Hand and Upper Extremity Service, Yawkey Center, Suite 2100, Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114, USA.
| | - David Ring
- Orthopaedic Hand and Upper Extremity Service, Yawkey Center, Suite 2100, Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114, USA.
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Is routine ulnar nerve transposition necessary in open release of stiff elbows? Our experience and a literature review. INTERNATIONAL ORTHOPAEDICS 2014; 38:2289-94. [PMID: 25082178 DOI: 10.1007/s00264-014-2465-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 07/08/2014] [Indexed: 12/31/2022]
Abstract
PURPOSE Prophylactic release of the ulnar nerve to reduce the incidence of postoperative nerve symptoms in stiff elbows has been recommended. However, the necessity for routine anterior transposition remains unclear. In this study, we aim to gain an insight into the value of routine transposition in open release of stiff elbows. METHODS We retrospectively reviewed 94 patients suffering from elbow stiffness with no pre-operative ulnar nerve symptoms. Simple decompression (with in situ decompression or epicondylectomy) and subcutaneous anterior transposition were chronologically performed in 53 and 37 patients, respectively. Another four patients were treated by a single lateral approach with no intervention of the ulnar nerve. Pre- and postoperative range of motion and incidence of ulnar nerve symptoms were recorded. The function of ulnar nerve was measured by Amadio rating scale. RESULTS The incidence of ulnar nerve dysfuction was 18.9% (ten of 53) and 8.1% (three of 37) in the simple decompression and transposition groups, respectively. The mean Amadio scores were 7.62 and 8.22, respectively. All these data showed a statistically significant difference (P < 0.05). In the lateral approach group, 50 % (two of four) of patients developed nerve symptoms with a mean Amadio score of 6.50. CONCLUSIONS The transposition group exhibited a superior nervous outcomes compared with the simple decompression group. No comparison was conducted between the transposition and lateral approach groups because of too few patients in the latter. According to related literature and our experience, we conclude that routine transposition is necessary to prevent postoperative nerve symptoms.
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Blonna D, O'Driscoll SW. Delayed-onset ulnar neuritis after release of elbow contracture: preventive strategies derived from a study of 563 cases. Arthroscopy 2014; 30:947-56. [PMID: 24974167 DOI: 10.1016/j.arthro.2014.03.022] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Revised: 03/14/2014] [Accepted: 03/21/2014] [Indexed: 02/02/2023]
Abstract
PURPOSE The purposes of this study were to determine whether delayed-onset ulnar neuritis (DOUN) after elbow contracture release can be prevented and to compare the efficacy of ulnar nerve decompression versus subcutaneous transposition. METHODS A retrospective study of 563 consecutive arthroscopic elbow contracture releases was conducted. The prophylactic efficacy of (1) subcutaneous transposition, (2) ulnar nerve decompression, (3) limited ulnar nerve decompression (7 to 8 cm), and (4) mini-decompression (4 to 6 cm) was assessed prospectively. The efficacy of prophylactic strategies (transposition, decompression, limited decompression, or mini-decompression) in preventing DOUN was compared by univariate survival analysis. Patients who underwent a subcutaneous transposition were matched with patients who underwent a standard open decompression or a limited decompression, according to gender, age (±10 years), diagnosis, and preoperative motion. This analysis was repeated after we excluded the patients who underwent associated open procedures (e.g., hardware removal). RESULTS DOUN occurred in 26 of 235 patients (11%) who did not undergo any prophylactic procedure versus 8 of 295 patients (3%) who underwent a prophylactic ulnar nerve decompression or transposition at the time of contracture release (P < .001). The neurologic impairment was significantly less severe after prophylactic decompression compared with patients without any prophylactic intervention (grade on Neuropathy Grading Scale, 2 vs. 4; P = .03). Ulnar nerve transposition and decompression were equally protective. The decompression length was the only factor significantly related to the failure of the prophylactic intervention (odds ratio, 0.19; P = .02). A mini-decompression was not as effective as a prophylactic procedure, whereas a limited decompression was equal to a standard decompression. The case-control analysis showed that the decompression and transposition had equal preventive effects but the transposition was associated with a higher rate of wound complications (19% vs. 4%, P = .03). CONCLUSIONS DOUN is a complication of arthroscopic elbow contracture release. Its incidence and severity can be reduced by limited open ulnar nerve decompression or transposition. LEVEL OF EVIDENCE Level II, prospective comparative study with retrospective analysis.
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Affiliation(s)
- Davide Blonna
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A.; Department of Orthopaedics and Traumatology, University of Turin Medical School, Torino, Italy
| | - Shawn W O'Driscoll
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A..
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Flinterman HJA, Doornberg JN, Guitton TG, Ring D, Goslings JC, Kloen P. Long-term outcome of displaced, transverse, noncomminuted olecranon fractures. Clin Orthop Relat Res 2014; 472:1955-61. [PMID: 24522384 PMCID: PMC4016441 DOI: 10.1007/s11999-014-3481-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2013] [Accepted: 01/23/2014] [Indexed: 01/31/2023]
Abstract
BACKGROUND Operative treatment of a displaced, transverse, noncomminuted fracture of the olecranon is associated with good to excellent elbow function in retrospective short-term followup studies. However, to our knowledge, no studies have evaluated objective and subjective outcomes using standardized outcome instruments (ie, DASH and Mayo Elbow Performance Index [MEPI]) to quantify long-term outcome of these specific fractures. QUESTIONS/PURPOSES We evaluated (1) factors associated with disability, as measured with the DASH questionnaire; (2) factors associated with ulnohumeral motion; (3) factors associated with pain intensity; and (4) general descriptive findings for posttraumatic arthrosis, MEPI, ulnar neuropathy symptoms, and return to work between 10 and 32 years after open reduction and internal fixation (ORIF) of a transverse, noncomminuted fracture of the olecranon. METHODS Between 1977 and 1997, we performed ORIFs of transverse, noncomminuted olecranon fractures in 109 patients, of whom 35 had died, 14 had incomplete data in our registry, and 19 were lost to followup or declined participation, leaving 41 patients available for followup at a minimum of 10 years after surgery. During that time, our general indication for performing ORIF was greater than 2 mm displacement. The average age of these patients at the time of injury was 35 years (range, 18-73 years). Patient-reported outcome was quantified using the DASH questionnaire, and physician-based outcome was evaluated using the MEPI. To identify factors associated with disability (DASH), impairment (MEPI), ulnohumeral motion, and pain, we examined demographic and clinical data in bivariate analyses, and subsequently significant factors in multivariate analysis to identify independent predictors of outcome. RESULTS The sole factor associated with higher DASH scores in multivariable analysis was age at surgery, explaining 20% of the variability, with younger patients performing better. The mean arc of elbow flexion was 142° (range, 110°-160°), and the variation was associated with arthrosis alone (ie, a greater arc of motion was associated with a lesser grade of arthrosis according to the system of Broberg and Morrey). Pain was uncommon and generally was correlated with adverse events. CONCLUSIONS The good results of operative fixation (tension-band wiring) of a transverse, displaced olecranon fracture are durable with time. Patient-reported outcomes are excellent in the majority of patients. Residual patient-rated disability does not correlate with arthrosis or loss of extension. LEVEL OF EVIDENCE Level IV, therapeutic study. See the Guidelines for Authors for a complete description of levels of evidence.
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Affiliation(s)
| | - Job N. Doornberg
- Orthotrauma Research Center Amsterdam, Amsterdam, The Netherlands ,University of Amsterdam Orthopaedic Residency Program, Amsterdam, The Netherlands ,Department of Orthopaedic Surgery, Academic Medical Center Amsterdam, Meibergdreef 9, 1100 DD Amsterdam, The Netherlands
| | - Thierry G. Guitton
- University of Amsterdam Orthopaedic Residency Program, Amsterdam, The Netherlands
| | - David Ring
- Department of Orthopaedic Surgery, Harvard Medical School, Orthopaedic Hand and Upper Extremity Service, Massachusetts General Hospital, Boston, MA USA
| | - J. Carel Goslings
- Trauma Unit, Department of Surgery, Academic Medical Center Amsterdam, Amsterdam, The Netherlands
| | - Peter Kloen
- Orthopaedic Trauma, Department of Orthopaedic Surgery, Academic Medical Center Amsterdam, Amsterdam, The Netherlands
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Giannicola G, Bullitta G, Polimanti D, Gumina S. Factors affecting choice of open surgical techniques in elbow stiffness. Musculoskelet Surg 2014; 98 Suppl 1:77-85. [PMID: 24659203 DOI: 10.1007/s12306-014-0326-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Accepted: 02/28/2014] [Indexed: 06/03/2023]
Abstract
BACKGROUND We analyzed the clinical outcomes of stiff elbow open treatment to assess factors affecting the choice of surgical procedures in a consecutive series of patients followed up prospectively. MATERIALS AND METHODS Forty-one patients, mean aged 48 years, were evaluated. Elbow stiffness was caused by post-traumatic osteoarthritis in 32 patients, primary osteoarthritis in seven and rheumatoid arthritis in two. Stiffness was classified as mixed and extrinsic in 28 and 13 cases, respectively. Seventeen ulno-humeral arthroplasties (UHA), seven UHA with radiocapitellar replacement, six UHA with radial head replacement, ten total elbow replacement and one UHA with anconeus interposition were performed. Mayo Elbow Performance Score (MEPS), modified-American Shoulder and Elbow Surgeons (m-ASES) and Q-DASH scores were used for the pre- and post-operative evaluation. RESULTS Mean follow-up was 25 months. The average increase in MEPS and m-ASES was 45 and 41, respectively. The average decrease in Q-DASH and the average increase in m-ASES pain were 43 and 21, respectively. The mean increase in flection, extension, pronation and supination was 29°, 25°, 18° and 17°, respectively. All the differences were statistically significant. CONCLUSIONS Strictly customized open surgery of elbow stiffness, by taking into account the clinical value of each patient's pathoanatomical conditions, yields satisfactory functional results in majority of cases. In particular, the degree and site of elbow cartilage wear proved to be the factors affecting the choice of treatment most. Treatment should be aimed at removing the causes of pain and at recovering range of motion.
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Affiliation(s)
- G Giannicola
- Department of Anatomical, Histological, Forensic Medicine and Orthopedics Sciences, "Sapienza" University of Rome, Via Emilio Repossi 15, 00158, Rome, Italy.
| | - G Bullitta
- Department of Anatomical, Histological, Forensic Medicine and Orthopedics Sciences, "Sapienza" University of Rome, Via Emilio Repossi 15, 00158, Rome, Italy
| | - D Polimanti
- Department of Anatomical, Histological, Forensic Medicine and Orthopedics Sciences, "Sapienza" University of Rome, Via Emilio Repossi 15, 00158, Rome, Italy
| | - S Gumina
- Department of Anatomical, Histological, Forensic Medicine and Orthopedics Sciences, "Sapienza" University of Rome, Via Emilio Repossi 15, 00158, Rome, Italy
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Doornberg JN, Bosse T, Cohen MS, Jupiter JB, Ring D, Kloen P. Temporary presence of myofibroblasts in human elbow capsule after trauma. J Bone Joint Surg Am 2014; 96:e36. [PMID: 24599208 DOI: 10.2106/jbjs.m.00388] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Elbow stiffness is a common complication after elbow trauma. The elbow capsule is often thickened, fibrotic, and contracted at the time of surgical release. The limited studies available suggest that the capsule is contracted because of fibroblast-to-myofibroblast differentiation. We hypothesize that myofibroblasts are absent in normal elbow capsules and in acute trauma and that they are subsequently elevated in patients with posttraumatic elbow contracture. METHODS We obtained twenty-one human elbow joint capsules within fourteen days after an elbow fracture and/or dislocation and thirty-four elbow joint capsules in thirty-four patients who had undergone operative release of posttraumatic contractures more than five months after injury. Myofibroblasts in the joint capsules were quantified with use of immunohistochemistry. Alpha-smooth muscle actin was used as a marker for myofibroblasts. Samples were characterized and were scored by an independent pathologist blinded for clinical data. RESULTS Eleven capsules were associated with the acute phase after trauma (hours to less than seven days), and staining for alpha-smooth muscle actin was negative in all but one capsule. Ten capsules were associated with a later posttraumatic phase with myofibroblasts staining positive for alpha-smooth muscle actin in all but two capsules. Thirty-two long-standing contractures showed a histological pattern consistent with chronic stages of fibrosis, characterized by increased fibroblast-like cell proliferation and higher cellular density of fibroblast-like cells with highly unstructured collagen. Two joint capsules showed an earlier phase of fibrosis. Only two of the long-standing contractures had staining of alpha-smooth muscle actin in fibroblast-like cells; the lack of staining in the other contractures suggested an absence of myofibroblasts. CONCLUSIONS This study presents negative results on the hypothesis that myofibroblast numbers are elevated in long-standing (more than five months) human posttraumatic elbow capsules. The absence of myofibroblasts in long-standing elbow contracture capsules is in contrast to most other studies on human tissue in the literature to date.
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Affiliation(s)
- Job N Doornberg
- Department of Orthopaedic Surgery, Academic Medical Center & University of Amsterdam, Secretariaat G4-Noord, Meibergdreef 9, 1100 DD Amsterdam, The Netherlands
| | - Tjalling Bosse
- Leids Universitair Medisch Centrum, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Mark S Cohen
- Section of Hand and Elbow Surgery, Rush University Medical Center, 1611 West Harrison Street, Chicago, IL 60612
| | - Jesse B Jupiter
- Orthopaedic Hand and Upper Extremity Service, Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114
| | - David Ring
- Orthopaedic Hand and Upper Extremity Service, Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114
| | - Peter Kloen
- Department of Orthopaedic Surgery, Academic Medical Center & University of Amsterdam, Secretariaat G4-Noord, Meibergdreef 9, 1100 DD Amsterdam, The Netherlands
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Carpenter CVE, Amirfeyz R. Continuous passive motion following elbow arthrolysis. J Hand Surg Am 2014; 39:350-2. [PMID: 24480692 DOI: 10.1016/j.jhsa.2013.11.040] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Accepted: 11/23/2013] [Indexed: 02/02/2023]
Affiliation(s)
| | - Rouin Amirfeyz
- Department of Trauma and Orthopaedics, British Royal Infirmary, Bristol, United Kingdom.
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Everding NG, Maschke SD, Hoyen HA, Evans PJ. Prevention and treatment of elbow stiffness: a 5-year update. J Hand Surg Am 2013; 38:2496-507; quiz 2507. [PMID: 24210721 DOI: 10.1016/j.jhsa.2013.06.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Revised: 05/31/2013] [Accepted: 06/01/2013] [Indexed: 02/02/2023]
Abstract
Elbow stiffness is a challenging and common problem faced by upper extremity surgeons. Although functional improvements can be made with both nonsurgical and surgical management strategies, physicians must remain vigilant with efforts to prevent stiffness before it starts. Recent advancements in the biology and pathology of elbow contracture have led to improved understanding of this difficult problem, and they may lead to future breakthroughs in the prevention and treatment of elbow stiffness. This article serves as an update to our previous review of elbow stiffness, focusing on recent advancements in the past 5 years, as well as updating our current algorithm for treatment.
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Affiliation(s)
- Nathan G Everding
- Department of Orthopaedic Surgery, Orthopaedic and Rheumatologic Institute, Cleveland Clinic; Department of Orthopaedic Surgery, MetroHealth Medical Center, Cleveland, OH
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Incidence of postoperative elbow contracture release in New York State. J Hand Surg Am 2013; 38:1746-52.e1-3. [PMID: 23831364 DOI: 10.1016/j.jhsa.2013.05.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2012] [Revised: 05/04/2013] [Accepted: 05/07/2013] [Indexed: 02/02/2023]
Abstract
PURPOSE To determine the incidence of elbow contracture requiring release after surgically treated elbow trauma and to identify patient, injury, and treatment factors that may predict contracture development. METHODS The New York Statewide Planning and Research Cooperative System database identified 32,708 patients who were surgically treated for elbow trauma from 1997 to 2009. The database identified 270 of those patients who underwent subsequent contracture release. The median time from index fracture procedure to contracture release was 31 weeks. RESULTS Patients requiring a contracture release were younger (43 vs 56 y) and more commonly male (57%). Injuries classified as severe were more common in the contracture group (11% vs 5%), as were open fractures (17% vs 11%). A multivariate regression analysis revealed that patients with burns were 16 times more likely to require surgical contracture release, and the use of internal fixation to treat the fracture was protective against contracture development. CONCLUSIONS The incidence of elbow contractures treated with release after surgically treated elbow trauma was low but increased with the severity of the initial trauma.
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Giannicola G, Bullitta G, Sacchetti FM, Scacchi M, Polimanti D, Citoni G, Cinotti G. Change in quality of life and cost/utility analysis in open stage-related surgical treatment of elbow stiffness. Orthopedics 2013; 36:e923-30. [PMID: 23823051 DOI: 10.3928/01477447-20130624-24] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The goals of this study were to examine the improvement in quality of life achieved after open surgical treatment of elbow stiffness and to verify the cost/utility ratio of surgery. Thirty-three patients (22 men and 11 women) underwent surgery. The etiologies of elbow stiffness were posttraumatic conditions (n=26), primary osteoarthritis (n=5), and rheumatoid arthritis (n=2). Surgery included 14 ulnohumeral arthroplasties, 6 ulnohumeral arthroplasties associated with radiocapitellar replacement, 5 ulnohumeral arthroplasties associated with radial head replacement, and 8 total elbow arthroplasties. All patients were evaluated pre- and postoperatively with the Mayo Elbow Performance Score, the Mayo Elbow Performance Index, the modified American Shoulder and Elbow Surgeons score, the Quick Disabilities of the Arm, Shoulder and Hand score, and the Short Form 36 after a mean follow-up of 26 months. Possible variables affecting clinical outcome and quality of life improvement were assessed. The cost/utility ratio was evaluated as diagnosis-related group reimbursement per quality-adjusted life year. Mayo Elbow Performance Scores and modified American Shoulder and Elbow Surgeons scores increased, on average, by 43 and 41 points, respectively (P<.0001). Quick Disabilities of the Arm, Shoulder and Hand scores decreased, on average, by 44 points (P<.0001). The improvement in the SF-36 physical and mental component summary score was 7.6 and 7, respectively (P=.0001 and .0018). The cost/utility ratio ranged between 670 and 817 Euro/quality-adjusted life year. A significant correlation was found between pain score and quality of life improvement. An inverse correlation emerged between pre- and postoperative quality of life score. The current study shows that open surgery significantly improves quality of life and elbow function. Selecting the surgical procedure that most effectively reduces pain appears to be the most relevant variable responsible for quality of life improvement. Surgery shows a satisfactory cost/utility ratio, justifying a health spending increase to reduce the social costs resulting from lingering elbow stiffness.
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Affiliation(s)
- Giuseppe Giannicola
- Department of Orthopedic Surgery, University of Rome La Sapienza, Emilio Repossi 15 00158, Roma, Italy.
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MacLean SB, Oni T, Crawford LA, Deshmukh SC. Medium-term results of arthroscopic debridement and capsulectomy for the treatment of elbow osteoarthritis. J Shoulder Elbow Surg 2013; 22:653-7. [PMID: 23590888 DOI: 10.1016/j.jse.2013.01.030] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2012] [Revised: 01/16/2013] [Accepted: 01/30/2013] [Indexed: 02/01/2023]
Abstract
BACKGROUND We retrospectively reviewed 20 patients (21 elbows) after arthroscopic debridement and capsulectomy of the elbow for primary osteoarthritis. We aimed to see if there was an improvement in pain, function, and range of movement in the medium-term. MATERIALS AND METHODS Outcomes of 20 patients (18 men, 2 women) with primary osteoarthritis of the elbow (21 elbows) operated on by the senior surgeon were reviewed at a mean of 5.5 years postoperatively. Inclusion criteria were patients with undergoing arthroscopic debridement and capsulectomy after failure of previous conservative treatment. Exclusion criteria were patients undergoing additional intra-articular procedures at surgery and patients with post-traumatic or inflammatory arthritis. Mean age was 42 years (range, 22-79 years). Preoperatively, osteoarthritis was classified based on plain x-ray images. Functional outcome was assessed using preoperative and postoperative Disabilities of the Arm, Shoulder and Hand (DASH) scores, Mayo scores, and range of movement. RESULTS Radiographically, osteoarthritis was assessed as class I in 9 elbows, class II in 10 elbows, and class III in 3 elbows. There was a mean significant improvement in DASH score from 34.0 to 12.7 (P < .05). This was true for all grades of osteoarthritis and significant for classes II and III (P < .05). Mayo scores postoperatively were "excellent" in 11 elbows, "good" in 5, "fair" in 4, and "poor" in 1. Nineteen of the 20 patients said they would have had the surgery again. CONCLUSION Arthroscopic debridement and capsulectomy is an effective procedure for patients with primary osteoarthritis of the elbow. We propose this may work as a partial neurectomy to denervate pain sensation in the joint.
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Affiliation(s)
- Simon B MacLean
- Upper Limb Units of The Royal Orthopaedic Hospital and City Hospital, Birmingham, UK.
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Kodde IF, van Rijn J, van den Bekerom MPJ, Eygendaal D. Surgical treatment of post-traumatic elbow stiffness: a systematic review. J Shoulder Elbow Surg 2013; 22:574-80. [PMID: 23375881 DOI: 10.1016/j.jse.2012.11.010] [Citation(s) in RCA: 97] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2012] [Revised: 11/04/2012] [Accepted: 11/11/2012] [Indexed: 02/01/2023]
Abstract
BACKGROUND Trauma to the elbow is a common cause of joint stiffness that might require surgical release. Release of the stiff elbow can be done by open or arthroscopic approach. There is no high-level evidence for the best surgical treatment modality for post-traumatic elbow stiffness. The objective of this article was to review current available literature of studies reporting on open or arthroscopic release of post-traumatic elbow stiffness. METHODS A comprehensive literature search was performed. All titles and abstracts of potentially relevant studies were reviewed, with a set of predefined inclusion and exclusion criteria. After the initial assessment for inclusion, 2 authors extracted data independently from the included articles. RESULTS Thirty articles were included, with an overall enrolment of 798 patients. No randomized controlled trials were retrieved. The first article was published in 1989 and the most recent in 2012. There were 4 different kinds of treatment modalities identified from the included studies: 1) open arthrolysis; 2) arthroscopic arthrolysis; 3) open arthrolysis with external fixation; and 4) open arthrolysis with distraction arthroplasty. The gain in range of motion was 51°, 40°, 88°, and 56° for groups 1-4, respectively. The average percentage of complications was 23, 5, 73, and 58 for groups 1-4, respectively. CONCLUSION Current literature is not sufficient enough to draw firm statistically based conclusions. However, as the amount of complications seems to rise with the extent of the surgical procedure, we would advise to treat as less invasive as possible (grade C).
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Affiliation(s)
- Izaäk F Kodde
- Department of Orthopaedics, Upper Limb Unit, Amphia Hospital, Breda, The Netherlands.
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Williams BG, Sotereanos DG, Baratz ME, Jarrett CD, Venouziou AI, Miller MC. The contracted elbow: is ulnar nerve release necessary? J Shoulder Elbow Surg 2012; 21:1632-6. [PMID: 22743068 DOI: 10.1016/j.jse.2012.04.007] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2011] [Revised: 03/13/2012] [Accepted: 04/01/2012] [Indexed: 02/01/2023]
Abstract
BACKGROUND Prophylactic release of the ulnar nerve in patients undergoing capsular release for severe elbow contractures has been recommended, although there are limited data to support this recommendation. Our hypothesis was that more severely limited preoperative flexion and extension would be associated with a higher incidence of postoperative ulnar nerve symptoms in patients undergoing capsular release. MATERIALS AND METHODS We conducted a retrospective review of 164 consecutive patients who underwent open or arthroscopic elbow capsular release for stiffness between 2003 and 2010. The ulnar nerve was decompressed if the patient had preoperative ulnar nerve symptoms or a positive Tinel test. Preoperative and postoperative range of motion and incidence of ulnar nerve symptoms were recorded. RESULTS The mean improvement in the arc of motion of was 36.7°. New-onset postoperative ulnar nerve symptoms developed in 7 of 87 patients (8.1%) who did not undergo ulnar nerve decompression; eventually, 5 of these patients with persistent symptoms underwent ulnar nerve decompression. The rate of developing postoperative symptoms was higher if patients had preoperative flexion ≤ 100° (15.2%) compared with those with preoperative flexion >100° (3.7%). There was no association between preoperative extension or gain in motion arc and postoperative symptoms. CONCLUSIONS The overall rate of ulnar nerve symptoms after elbow contracture release was low if ulnar nerve decompression was performed in patients with preoperative symptoms or a positive Tinel test. There was a higher rate of ulnar nerve symptoms in patients with more severe contractures (≤ 100° of preoperative flexion), which did not reach statistical significance.
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Affiliation(s)
- Benjamin G Williams
- Department of Orthopaedic Surgery, Allegheny General Hospital, Pittsburgh, PA 15212, USA
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Abstract
Early posttraumatic elbow contractures may be treated with a combination of manipulation with the patient under anesthesia followed by bracing.Extrinsic contractures of the elbow may be treated with open or arthroscopic release, whereas intrinsic and combined contractures may require tissue release as well as partial or total arthroplasty.
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Douglas K, Cannada LK, Archer KR, Dean DB, Lee S, Obremskey W. Incidence and risk factors of heterotopic ossification following major elbow trauma. Orthopedics 2012; 35:e815-22. [PMID: 22691651 DOI: 10.3928/01477447-20120525-18] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Heterotopic ossification is a common complication of Orthopaedic Trauma Association (OTA) type C distal humerus fractures and ulnohumeral fracture dislocations. The purpose of this study was to precisely define the incidence of heterotopic ossification following major elbow trauma and to identify risk factors for the development of clinically significant heterotopic ossification and for surgical excision of elbow heterotopic ossification.Current Procedural Terminology codes identified 156 patients who underwent operative intervention for a distal humerus fracture or an ulnohumeral fracture dislocation at 2 Level I trauma centers over 6 years. The incidence of elbow heterotopic ossification was recorded at >90 days following the definitive procedure. Risk factors for the development of class 3 or 4 heterotopic ossification and for surgical excision of heterotopic ossification were evaluated using separate multivariable logistic regression analyses. Brooker class 3 or 4 heterotopic ossification occurred following 18 (14%) of 125 distal humerus fractures, 15 (22%) of 69 OTA type C distal humerus fractures, and 11 (35%) of 31 ulnohumeral fracture dislocations. Surgical excision of heterotopic ossification was performed after 12 (10%) of 125 distal humerus fractures, 10 (14%) of 69 OTA type C distal humerus fractures, and 8 (26%) of 31 ulnohumeral fracture dislocations. Sustaining a severe elbow injury (P<.05) or a delay of fixation (P=.05) was found to be independent risk factors for Brooker class 3 or 4 heterotopic ossification. Severe elbow injury (P<.05) and male sex (P<.05) were associated with operative excision of heterotopic ossification.
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Affiliation(s)
- Keith Douglas
- Department of Orthopaedics and Rehabilitation, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA
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Shi Q, MacDermid J, Grewal R, King GJ, Faber K, Miller TA. Predictors of Functional Outcome Change 18 Months After Anterior Ulnar Nerve Transposition. Arch Phys Med Rehabil 2012; 93:307-12. [DOI: 10.1016/j.apmr.2011.08.040] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2011] [Revised: 08/30/2011] [Accepted: 08/30/2011] [Indexed: 10/14/2022]
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Affiliation(s)
- Sanjeev Sabharwal
- Department of Orthopaedics and Pediatrics, UMDNJ-New Jersey Medical School, Newark, NJ 07103, USA.
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Abstract
Introduction Open elbow contracture release is the mainstay for the operative treatment of posttraumatic elbow stiffness. Step 1 Skin Incision Use either a posterior skin incision and raise medial and lateral skin flaps or use more direct individual medial and lateral skin incisions. Step 2 Protect or Release Peripheral Nerves Release the ulnar nerve using a small incision and in situ release when a lateral muscle interval (between the extensor carpi radialis brevis and extensor digitorum communis muscles) is preferred for the contracture release; use a larger incision with subcutaneous anterior transposition when a medial muscle interval (50:50 split of the flexor pronator mass) is used. Step 3 Develop Muscle Intervals for Exposure of the Joint Choose a lateral (extensor carpi radialis brevis/extensor digitorum communis) or medial (50:50 split of the flexor pronator mass) muscle interval to expose the elbow capsule. Step 4 Resect Bone Contracted Capsule and Implants Restricting Motion Remove the structures that hinder motion: implants, heterotopic bone, and contracted capsule. Step 5 Tenolysis/Muscle Elevation When the triceps and the brachialis muscles are adherent to the distal third of the humerus, release them using an elevator. Step 6 Manipulate Elbow Consider Implant Removal Take care not to push so hard that you fracture the bone at a stress riser created by removal of bone or implants. Step 7 Wound Closure Close the muscle intervals and skin. Step 8 Postoperative Management The key after surgery is frequent, active, patient-assisted elbow flexion, extension, and forearm rotation stretches. Results A case series of patients with elbow contracture release documented an average improvement in the arc of elbow flexion of between 21° and 66°. What to Watch For IndicationsContraindicationsPitfalls & Challenges.
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Affiliation(s)
- David Ring
- Orthopaedic Hand and Upper Extremity Service, Massachusetts General Hospital, 55 Fruit Street, Boston MA 02114. E-mail address for D. Ring:
| | - Jesse B Jupiter
- Orthopaedic Hand and Upper Extremity Service, Massachusetts General Hospital, 55 Fruit Street, Boston MA 02114. E-mail address for D. Ring:
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Distraktionsarthroplastik zur Behandlung der posttraumatischen Ellenbogensteife. DER ORTHOPADE 2011; 40:329-38. [DOI: 10.1007/s00132-010-1668-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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[Fixator with motion capacity and distraction arthrodiatasis in post-traumatic elbow stiffness]. Unfallchirurg 2011; 114:95-104. [PMID: 21286672 DOI: 10.1007/s00113-010-1931-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Elbow stiffness may result from trauma, burns and head injuries. It is defined as a total range of motion of <100° with no relevant loss of forearm rotation. Of particular relevance is the flexion deficit. A detailed analysis regarding the development of the elbow stiffness is required together with an exact diagnosis in order to plan the surgical intervention. Closed distraction of the elbow joint as arthrodiatasis with an external fixator is described and evaluated. Adequate long-term results can be achieved with this technique, which reflects proper selection of patients as well as coordination between surgeon, aftercare and physiotherapist. Contraindications are poor compliance, poorly controlled diabetes mellitus, active hepatitis B and C infection, HIV infection and acute articular infection.
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