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Incidence and risk factors for shoulder stiffness after open and arthroscopic rotator cuff repair. Arch Orthop Trauma Surg 2024; 144:2047-2055. [PMID: 38630250 DOI: 10.1007/s00402-024-05323-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Accepted: 04/08/2024] [Indexed: 05/16/2024]
Abstract
INTRODUCTION The aim of this study was to estimate the incidence of stiffness during the first 6 months after rotator cuff repair and to evaluate postoperative stiffness with respect to its risk factors and its influence on the outcome at 6 months postoperatively. METHODS In a prospective cohort of 117 patients (69 women, 48 men; average age 59) from our institutional rotator cuff registry, who underwent either arthroscopic (n = 77) or open (n = 40) rotator cuff repair, we measured shoulder range of motion (ROM) at 3 and 6 months post-surgery. We evaluated the incidence of stiffness and analyzed functional outcomes, comparing various preoperative and intraoperative factors in patients with stiffness to those without at the 6-month mark. RESULTS Shoulder stiffness was observed in 31% of patients (36/117) at 3 months postoperatively, decreasing to 20% (23/117) at 6 months. No significant link was found between stiffness at 6 months and demographic factors, preoperative stiffness, tear characteristics, or the type of repair. Notably, patients undergoing arthroscopic repair exhibited a 4.3-fold higher risk (OR 4.3; 95% CI 1.2-15.6, p = 0.02) of developing stiffness at 6 months compared to those with mini-open repair. Despite these differences in stiffness rates, no significant variation was seen in the American Shoulder and Elbow Surgeons (ASES) score, Single Assessment Numeric Evaluation (SANE) score, or Visual Analog Scale (VAS) scores at 6 months between the groups. CONCLUSION The incidence of postoperative shoulder stiffness following rotator cuff repair was substantial at 31% at 3 months, reducing to 20% by 6 months. Mini-open repair was associated with a lower 6-month stiffness incidence than arthroscopic repair, likely due to variations in rehabilitation protocols. However, the presence of stiffness at 6 months post-surgery did not significantly affect functional outcomes or pain levels.
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[Adhesive capsulitis]. RADIOLOGIE (HEIDELBERG, GERMANY) 2024; 64:119-124. [PMID: 37801107 DOI: 10.1007/s00117-023-01217-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/11/2023] [Indexed: 10/07/2023]
Abstract
BACKGROUND Adhesive capsulitis (CA; also called Frozen shoulder) is a common, usually unilateral disease of the shoulder joint primarily affecting middle-aged women. Primary, idiopathic, and secondary forms are distinguished. Painful active and passive movement restriction are the clinically leading symptoms. COURSE OF THE DISEASE The disease usually progresses in three successive stages: freezing phase, frozen phase, and thawing phase. CLINICAL DIAGNOSIS AND IMAGING CA is primarily diagnosed clinically, with imaging being used to assess or exclude differential diagnoses. Radiography as part of basic diagnostics allows exclusion of common differential diagnoses such as osteoarthritis of the shoulder or calcific tendinitis. Native magnetic resonance imaging (MRI) and MR arthrography (MRA) reveal pathomorphologies typical of CA. Intravenously administered gadolinium increases the sensitivity of MRI. Sonography may be used as a complementary diagnostic modality or as an alternative in case of contraindications to MRI. Fluoroscopy-guided arthrography has been replaced by MRI because of its invasiveness. Computed tomography (CT) has no role in diagnostics due to its radiation exposure and significantly lower sensitivity and specificity compared to MRI. TREATMENT Therapy of CA is stage-adapted and includes conservative measures such as analgesics and physiotherapy and surgical procedures such as arthroscopic arthrolysis. The therapeutic spectrum is supplemented by new, innovative procedures such as transarterial periarticular embolization. PROGNOSIS CA is self-limiting and usually persists for 2-3 years. However, the patients may even suffer from pain and limited range of motion beyond this time.
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Is preoperative elevated glycated hemoglobin (HbA1c) a risk factor for postoperative shoulder stiffness after posterior-superior rotator cuff repair? JSES Int 2024; 8:47-52. [PMID: 38312295 PMCID: PMC10837722 DOI: 10.1016/j.jseint.2023.09.006] [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] [Indexed: 02/06/2024] Open
Abstract
Background Postoperative shoulder stiffness (POSS) affects a large number of patients undergoing rotator cuff repair (RCR). Diabetes may increase the risk of POSS. Preoperative glycated hemoglobin (HbA1c) is a convenient measure of glucose control in this group. The aim of the present study was to determine a relationship between preoperative HbA1c and POSS in patients undergoing postero-superior RCR. Methods Two hundred fifty patients with full-thickness postero-superior rotator cuffs who underwent RCR were followed for 6 months. Pre- and post-operative external rotation with arm by the side at 3 and 6 months were measured. Patient demographics, tear characteristics, preoperative HbA1c level, and surgical details were recorded. Patients with subscapularis tears, concomitant instability, partial thickness tears, arthritis, and irreparable rotator cuff tears were excluded. Univariate and multivariate logistic regression were used to determine the association between patient characteristics and POSS at 6 months. Results At the end of 6 months, 16% (41/250) of patients had POSS. Multivariate analysis demonstrated an elevated preoperative HbA1c level was a statistically significant predictor of POSS at 6 months (odds ratio 7.04, P < .01) after posterior superior RCR. Lower preoperative external rotation (P = .02) and female sex (P < .01) were also risk factors associated with POSS. Age, hand dominance, worker's compensation claim status, etiology, and size of the tear, surgical technique, and additional treatments were not statistically significant predictors. Conclusion Elevated preoperative HbA1c level is associated with POSS after RCR. Measuring HbA1c preoperatively may assist clinicians to identify patients at risk of POSS. HbA1c is a modifiable parameter that could then be optimized preoperatively in order to improve outcomes.
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Design of a reverse shoulder implant to measure shoulder stiffness during implant component positioning. Med Eng Phys 2023; 121:104059. [PMID: 37985021 DOI: 10.1016/j.medengphy.2023.104059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 09/11/2023] [Accepted: 10/02/2023] [Indexed: 11/22/2023]
Abstract
To avoid dislocation of the shoulder joint after reverse total shoulder arthroplasty, it is important to achieve sufficient shoulder stability when placing the implant components during surgery. One parameter for assessing shoulder stability can be shoulder stiffness. The aim of this research was to develop a temporary reverse shoulder implant prototype that would allow intraoperative measurement of shoulder stiffness while varying the position of the implant components. Joint angle and torque measurement techniques were developed to determine shoulder stiffness. Hall sensors were used to measure the joint angles by converting the magnetic flux densities into angles. The accuracy of the joint angle measurements was tested using a test bench. Torques were determined by using thin-film pressure sensors. Various mechanical mechanisms for variable positioning of the implant components were integrated into the prototype. The results of the joint angle measurements showed measurement errors of less than 5° in a deflection range of ±15° adduction/abduction combined with ±45° flexion/extension. The proposed design provides a first approach for intra-operative assessment of shoulder stiffness. The findings can be used as a technological basis for further developments.
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A Modified Arthroscopic Outside-in Shoulder Release Approach for Severe Shoulder Stiffness. Orthop Surg 2023; 15:2167-2173. [PMID: 36321605 PMCID: PMC10432466 DOI: 10.1111/os.13568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/20/2022] [Accepted: 09/26/2022] [Indexed: 06/16/2023] Open
Abstract
OBJECTIVE Arthroscopic release is effective for patients with shoulder stiffness, but the traditional inside-out procedure cannot effectively alleviate the mobility of some severe stiff shoulder and even cause itrogenic injuries sometimes. The aim of this study is to evaluate the clinical efficacy and advantages of a modified outside-in shoulder release approach for severe shoulder stiffness. METHODS Included in this retrospective study were 15 patients (five male and 10 female) with severe shoulder stiffness who underwent modified outside-in shoulder release surgery at our hospital between June 2019 and March 2021. Of them, 10 patients had a primary frozen shoulder and five had secondary shoulder stiffness, involving the right shoulder in six cases and the left shoulder in nine cases. The mean age of the 15 patients was 56.7 (34-69) years. The patients were instructed to exercise passively from second-day post-operation and enhance the rehabilitation exercise gradually. All patients received a range of motion (ROM) examination before and after surgery. The American Shoulder and Elbow Surgeon's Score (ASES), Constant Score (CS), and Visual Analog Scale (VAS) score for pain were recorded. All data were tested by normal distribution first and then by paired T test, otherwise by Wilcoxon rank sum test. RESULTS The mean follow-up period was 18.2 (12-33) months. Compared with the preoperative value, the mean ASES score at the final follow-up improved from 38.4 ± 7.37 to 88.13 ± 6.33 points; the mean CS score from 43.27 ± 6.71 to 78.74 ± 6.93 points; the mean VAS score from 5.07 ± 1.03 to 0.81 ± 0.83 points; forward flexion from 81.93° ± 11.45° to 156.73° ± 9.12°; abduction from 65.93° ± 16.82° to 144.80° ± 8.83°; neutral external rotation from 13.53° ± 10.38° to 51.20° ± 4.77°; internal rotation from the buttock to waist (L3), all showing a significant difference (P < 0.0001). No serious complication was observed in any patient during the postoperative follow-up periods. CONCLUSION The present study has demonstrated that the modified arthroscopic outside-in shoulder release approach can improve ROM of patients and alleviate pain effectively, proving it to be an appropriate surgical option for the treatment of severe shoulder stiffness.
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Refractory shoulder injury related to vaccine administration: correlation with culture presence of Cutibacterium acnes. JSES REVIEWS, REPORTS, AND TECHNIQUES 2023; 3:350-355. [PMID: 37588495 PMCID: PMC10426568 DOI: 10.1016/j.xrrt.2023.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Abstract
Background Shoulder pain following intramuscular administration of vaccine is common. However, a small number of patients experience prolonged pain and dysfunction atypical to normal transient postvaccination shoulder pain. Shoulder Injury Related to Vaccine Administration (SIRVA) remains incompletely understood, whether a robust immune response to vaccine antigen or inappropriate injection technique with needle placement in synovial or bursal tissue, or some combination of the two. Symptoms overlap with those of Cutibacterium acnes (C. acnes) infection but the relationship between the two, if any, has not been evaluated. Methods Clinical case files were reviewed for 3 cases of SIRVA with positive cultures for C. acnes were reviewed. Presentation, treatment, and clinical outcomes were compared. Results In all cases, patients were thin (body mass index < 23), females, who had high injection placement of a vaccine, all patients had positive magnetic resonance imaging findings of increased signal in the subacromial bursa, and/or greater tuberosity. All patients underwent arthroscopic débridement and culture harvest and cultures were positive for C. acnes. A combination of oral and intravenous antibiotics was used, and all patients demonstrated clinical improvement from the preoperative state. Discussion This case series presents 3 patients with refractory SIRVA who ultimately underwent arthroscopic irrigation and débridement with culture biopsy. Each case had culture results positive for C. acnes and all responded, at least partially, to arthroscopic débridement and intravenous antibiotic therapy. The purpose of this manuscript is to raise awareness of potential coexistence of SIRVA and C. acnes which may be of assistance to surgeons treating refractory cases of SIRVA.
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Human bone marrow mesenchymal stem cell-derived extracellular vesicles inhibit shoulder stiffness via let-7a/Tgfbr1 axis. Bioact Mater 2022; 17:344-359. [PMID: 35386460 PMCID: PMC8965035 DOI: 10.1016/j.bioactmat.2022.01.016] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 12/30/2021] [Accepted: 01/09/2022] [Indexed: 02/07/2023] Open
Abstract
Shoulder stiffness (SS) is a common shoulder disease characterized by increasing pain and limited range of motion. SS is considered to be an inflammatory and fibrotic disorder pathologically. However, there is no consensus on the most effective conservative treatment for fibrosis. Given that human Bone Marrow Mesenchymal Stem Cell-derived extracellular vesicles (BMSC-EVs) displayed promising therapeutic effects for various tissues, we investigated the therapeutic effect of BMSC-EVs on fibrosis in a mice immobilization model and two cell models. By conducting a series of experiments, we found that BMSC-EVs can significantly inhibit the fibrogenic process both in vitro and in vivo. In detail, BMSC-EVs suppressed the aberrant proliferation, high collagen production capacity, and activation of fibrotic pathways in TGF-β-stimulated fibroblasts in vitro. Besides, in vivo, BMSC-EVs reduced cell infiltration, reduced fibrotic tissue in the shoulder capsule, and improved shoulder mobility. In addition, via exosomal small RNA sequencing and qPCR analysis, let-7a-5p was verified to be the highest expressed miRNA with predicted antifibrotic capability in BMSC-EVs. The antifibrotic capacity of BMSC-EVs was significantly impaired after the knockdown of let-7a-5p. Moreover, we discovered that the mRNA of TGFBR1 (the membrane receptor of transforming growth factor β) was the target of let-7a-5p. Together, these findings elucidated the antifibrotic role of BMSC-EVs in shoulder capsular fibrosis. This study clarifies a new approach using stem cell-derived EVs therapy as an alternative to cell therapy, which may clinically benefit patients with SS in the future.
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Assessment of isolated glenohumeral range of motion in patients with adhesive capsulitis can help predict failure of conservative treatment: a pilot study. Knee Surg Sports Traumatol Arthrosc 2022; 30:2099-2104. [PMID: 34825917 DOI: 10.1007/s00167-021-06804-4] [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: 04/07/2021] [Accepted: 11/11/2021] [Indexed: 10/19/2022]
Abstract
PURPOSE To prospectively evaluate a cohort of patients with adhesive capsulitis and identify predictors of failure of conservative treatment in the first 2 months of therapy. METHODS This was a single-cohort, prospective observational study that included 20 participants (13 females/7 males; median age of 51.8 years [interquartile range: 8.65]) with primary adhesive capsulitis managed conservatively and evaluated clinically every month for at least 2 years of follow-up (29 [5] months). The evaluation included stage of the disease, treatment applied, radiological findings, pain levels and range of motion (active and passive ROM in the four planes and isolated glenohumeral passive ROM in abduction [GH-ABD], external rotation [GH-ER] and internal rotation). The main outcome assessed was failure of conservative treatment defined as the need for surgery and persistent pain or CMS below 70 points at the 1-year follow-up. RESULTS Seven patients (7/20, 35%) were considered to have failed conservative treatment because they required arthroscopic capsular release 5.2 (2.1) months after the initial diagnosis. Of all the clinical and epidemiological variables, absence of improvement during the first 2 months in isolated glenohumeral ROM abduction and external rotation predicted failure of conservative treatment: improvement in GH-ABD (10° or more) occurred in 10/13 patients in the conservative treatment group and in 1/7 patients in the surgery group (p = 0.017). Improvement in GH-ER (10° or more) occurred in 9/13 patients in the conservative treatment group and in 0/7 patients in the surgery group (p = 0.005). CONCLUSIONS Precise assessment of isolated glenohumeral ROM in patients with adhesive capsulitis can help identify patients in which conservative treatment might fail. In this study, patients who did not experience early improvements in isolated glenohumeral ROM often required surgery. LEVEL OF EVIDENCE III (Prospective cohort study).
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Postoperative stiffness after reverse total shoulder arthroplasty. Shoulder Elbow 2022; 14:150-156. [PMID: 35265180 PMCID: PMC8899328 DOI: 10.1177/1758573220967312] [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: 06/03/2020] [Revised: 09/28/2020] [Accepted: 09/28/2020] [Indexed: 11/16/2022]
Abstract
PURPOSE The purpose of this study was to evaluate the rate and risk factors for stiffness after reverse shoulder arthroplasty and the ramifications on the patient-reported outcomes. METHOD A consecutive series of patients who underwent reverse shoulder arthroplasty were prospectively followed for one year. Passive range of motion was measured preoperatively and at regular intervals postoperatively. Patients with passive forward elevation of less than 100° or passive external rotation of less than 30° were defined as stiff. Radiographic parameters and postoperative patient-reported outcome scores were collected. RESULTS Seventy-six patients were available for review. The prevalence of postoperative stiffness following reverse shoulder arthroplasty was 47% at three months, 31% at six months, and 25% at one year. Preoperative shoulder stiffness was associated with three-month postoperative stiffness only. In patients with one-year stiffness, smaller (p = 0.03) and less lateralized glenospheres (p = 0.024) were more common. Stiffness was not associated with one-year patient-reported outcome scores. CONCLUSION Stiffness is common after reverse shoulder arthroplasty and often improves at one-year after surgery. Implant design and selection may be important determinants of passive range of motion. While stiffness does not appear to influence patient-reported outcome scores, one of four patients will potentially have stiffness one year following reverse shoulder arthroplasty.Level of evidence: Level III; retrospective study.
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Treatment of partial rotator cuff lesions is associated with a higher frequency of post-operative shoulder stiffness. A prospective investigation on the role of surgery-related risk factors for this complication. Arch Orthop Trauma Surg 2022; 142:3379-3387. [PMID: 34905067 PMCID: PMC9522663 DOI: 10.1007/s00402-021-04285-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Accepted: 11/27/2021] [Indexed: 11/15/2022]
Abstract
PURPOSE Post-operative shoulder stiffness (SS) is a common complication after arthroscopic rotator cuff (RC) repair. The aim of this prospective study is to evaluate the role of surgical risk factors in the development of this complication, with special focus on the characteristics of the RC tears. METHODS Two-hundred and twenty patients who underwent arthroscopic RC repair for degenerative posterosuperior RC tears were included. Surgery-related risk factors for development of post-operative SS belonging to the following five categories were documented and analyzed: previous surgery, RC tear characteristics, hardware and repair type, concomitant procedures, time and duration of surgery. The incidence of post-operative SS was evaluated according to the criteria described by Brislin and colleagues. RESULTS The incidence of post-operative SS was 8.64%. The treatment of partial lesions by tear completion and repair technique was significantly associated with development of post-operative SS (p = 0.0083, pc = 0.04). A multivariate analysis revealed that treatment of partial lesions in patients younger than 60 years was associated to a higher risk of developing post-operative SS (p = 0.007). Previously known pre-operative risk factors such as female sex and younger age were confirmed. No other significant associations were documented. CONCLUSION The treatment of partial lesions of the RC may lead to a higher risk of post-operative SS than the treatment of complete lesions, in particular in patients younger than 60 years. Possible explanations of this finding are the increased release of pro-inflammatory cytokines caused by the additional surgical trauma needed to complete the lesion and the different pain perception of the subgroup of patients who require surgical treatment already for partial tears. EVIDENCE A higher risk of post-operative SS should be expected after tear completion and repair of partial lesions, especially in young patients. Appropriate pre-operative counseling and post-operative rehabilitation should be considered when approaching this subgroup of RC tears. LEVEL OF EVIDENCE Prognostic study, level II.
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Characteristics of dynamic magnetic resonance imaging for shoulder stiffness in postoperative breast cancer patients: A preliminary case series. Int J Surg Case Rep 2021; 87:106391. [PMID: 34583261 PMCID: PMC8476638 DOI: 10.1016/j.ijscr.2021.106391] [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: 08/20/2021] [Revised: 09/03/2021] [Accepted: 09/04/2021] [Indexed: 11/30/2022] Open
Abstract
Introduction and importance Shoulder stiffness in postoperative breast cancer causes a decrease in their quality of life. However, the underlying pathology is not fully understood, and no study has investigated the dynamic magnetic resonance imaging (MRI) findings in these patients. Therefore, the current preliminary study aimed to investigate the dynamic MRI findings in patients with shoulder stiffness occurring after breast cancer surgery. Methods We retrospectively analyzed the electronic medical records of postoperative breast cancer patients with shoulder stiffness, dated from January 2015 to December 2020. The baseline characteristics, breast cancer treatment methods, range of active shoulder motion, and location of the abnormal enhancement on dynamic MRI were assessed. Results The mean age of the patients was 57.8 ± 6.1 years (range, 47–63 years) and the mean duration of shoulder symptoms was 5.6 ± 3.6 months (range, 2–12 months). An abnormal enhancement of the rotator interval and axillary pouch was observed on dynamic MRI of all the included patients. Conclusion This study presents the first case reports of the dynamic MRI findings in postoperative breast cancer patients with shoulder stiffness. All patients had abnormal enhancement of the rotator interval and axillary pouch. The dynamic MRI findings Postoperative breast cancer patients with shoulder stiffness Abnormal enhancement of the rotator interval and axillary pouch
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Results of the keyhole interlocked nailing for humeral diaphyseal fractures in adults. INTERNATIONAL ORTHOPAEDICS 2021; 45:3155-3161. [PMID: 34494134 DOI: 10.1007/s00264-021-05202-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 08/25/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE To evaluate the effectiveness of interlocked humerus nail through a keyhole incision for the management of humeral diaphyseal fractures in terms of radiological union, shoulder function, and complications. MATERIALS AND METHODS In this prospective study of sixty-two patients with humeral diaphyseal fractures in our institute (51 men, 11 women; mean age 42 years; range 20 to 73 years), fifty-nine fractures were closed and three were grade I open fractures. Three patients had a preoperative radial nerve palsy. Key hole surgery was performed by closed technique (n = 56) and limited open technique (n = 6) with reamed humerus interlocked nail through an antegrade nailing procedure. The cases were followed up prospectively for union and function. The mean follow-up was 12.3 months (range 12 months to 18 months). The outcome of the procedure was assessed according to American Shoulder and Elbow Surgeons (ASES) score, radiological union, complications, and secondary procedures required. RESULTS Fifty-eight (93.33%) fractures united with an average consolidation time of 12.75 weeks. Two patients had delayed union. Two patients had nonunion which required plating and bone grafting. No cases of infection were encountered. Neuropraxia which was detected preoperatively recovered fully in all three cases between three and six weeks. The ASES scores were excellent-to-good in fifty-six (90.32%) patients, fairly functional outcome was noted in four patients(6.5%), and two patients (3.2%) continued to have poor function at the time of final follow-up. CONCLUSION The results of keyhole interlocked humerus nail with proximal multi-locking options were excellent-to-good for humeral diaphyseal fractures in terms of union, shoulder function, and complications. It is a safe, easy, and reliable method for the treatment of humeral diaphyseal fractures.
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The presence of gastroesophageal reflux disease increases the risk of developing postoperative shoulder stiffness after arthroscopic rotator cuff repair. J Shoulder Elbow Surg 2020; 29:2505-2513. [PMID: 32711105 DOI: 10.1016/j.jse.2020.07.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 07/05/2020] [Accepted: 07/07/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Postoperative shoulder stiffness (SS) after arthroscopic rotator cuff (RC) repair has been reported with a variable incidence, and numerous preoperative risk factors have been described. This prospective study aimed to document the incidence of postoperative SS and to evaluate the role of preoperative risk factors in the development of this complication, with a special focus on the role of gastroesophageal reflux disease (GERD). METHODS Preoperative risk factors for SS were prospectively evaluated in 237 consecutive patients undergoing arthroscopic single-row RC repair. The presence of GERD was evaluated with the GerdQ diagnostic tool. Postoperative SS was diagnosed according to the criteria described by Brislin et al in 2007. RESULTS The incidence of postoperative SS was 8.02%. The presence of GERD was significantly associated with the development of postoperative SS (odds ratio [OR], 5.265; 95% confidence interval [CI], 1.657-1.731; P = .005). Older age (OR, 0.896; 95% CI, 0.847-0.949; P < .001), male sex (OR, 0.126; 95% CI, 0.0252-0.632; P = .012), and number of pregnancies (OR, 0.47; 95% CI, 0.228-0.967; P = .040) emerged as protective factors. CONCLUSIONS The presence of GERD significantly influences the development of postoperative SS after arthroscopic single-row RC repair. An underlying aspecific proinflammatory condition, characterized by increased expression of tumor necrosis factor α and transforming growth factor β, and disorders in retinoid metabolism are hypotheses that could explain this previously unknown association. The documented incidence of postoperative SS falls within previously reported ranges, with women being significantly more affected than men.
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Abstract
Hypothesis The purpose of this study was to determine the incidence of clinically significant postoperative stiffness after arthroscopic rotator cuff repair and its resolution. The study also sought to determine clinical and surgical factors that may be associated with increased rates of postoperative stiffness. Methods We conducted a level III retrospective review of a consecutive series of arthroscopic rotator cuff repairs. During a 5-year period, the senior author (C.J.R.) performed 150 arthroscopic rotator cuff repairs at our institution. Demographic data, comorbid medical conditions, descriptions of rotator cuff tears (including size and level of retraction), and concomitant surgical procedures were evaluated on their correlation with stiffness. All office visits were reviewed to determine preoperative and postoperative motion. Patients were followed up at 1 week, 3 weeks, 6-8 weeks, 3 months, about 6 months, and 1 year postoperatively. Results In our analysis of tear types, we were unable to associate stiffness with the type of tear, the tendon torn, or the number of tendons torn or with whether the tendons were retracted. However, we were able to associate female sex, workers' compensation insurance, and a concomitant biceps procedure with stiffness at several time points. The incidence of stiffness was highest at 12 weeks, with 7.3% of patients presenting with stiffness. The rate of stiffness decreased with continued follow-up. Stiffness was found in 3.3% of patients at 16-24 weeks and in 1.6% of patients at 1 year. Conclusions Prolonged physical therapy will result in resolution of stiffness in the vast majority of cases, often obviating the return to the operating room for capsular release and lysis of adhesions or mobilization under anesthesia.
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Effects of arthroscopic pancapsular release for proximal humeral fractures treated with intramedullary nailing: a retrospective study. JSES Int 2020; 4:546-550. [PMID: 32939483 PMCID: PMC7479035 DOI: 10.1016/j.jseint.2020.03.013] [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] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background Proximal humeral fractures are one of the most common fractures in adults. Some patients treated operatively have restriction in range of motion (ROM) after surgery. This study aimed to evaluate arthroscopic pancapsular release in patients with severe stiffness after treatment with intramedullary nailing for proximal humeral fractures. Methods This study included 12 patients (7 women and 5 men) who underwent arthroscopic pancapsular release in the beach-chair position between May 2015 and February 2018. Intraoperative findings were recorded, and ordinary (with scapulothoracic motion) and true (without scapulothoracic motion) glenohumeral ROMs were measured with a goniometer. The American Shoulder and Elbow Surgeons shoulder score, Shoulder Rating Scale score of the University of California, Los Angeles scoring system, and Constant score were compared before and after the release. The Wilcoxon signed rank and Mann-Whitney U tests were used to analyze data. Results The average age of the patients was 65.1 years (standard deviation, 9.5 years), and the mean follow-up period after the release was 30.6 months (standard deviation, 11.7 months). All ROMs on the affected side after surgery were significantly greater than those before surgery in all directions. However, ROMs in forward flexion, lateral elevation, and external rotation with the arm at the side and at 90° of forward flexion on the affected side postoperatively were significantly lower than those on the unaffected side. All scores were significantly greater after surgery than before surgery. Conclusion Arthroscopic pancapsular release is effective for patients with proximal humeral fractures treated with intramedullary nailing.
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Convalescence after arthroscopic capsular release in frozen shoulder. J Orthop 2020; 20:374-379. [PMID: 32713997 DOI: 10.1016/j.jor.2020.06.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 06/14/2020] [Indexed: 10/23/2022] Open
Abstract
Introduction To determine if arthroscopic capsular release (ACR) shortens duration of illness in frozen shoulder (FS) in comparison to the depicted natural course of 30.1 months and to identify risk factors for persisting complaints. Materials and methods A consecutive group of 71 shoulders in 70 patients with mean age of 54 (37-74) years with FS were treated by ACR and enrolled in our study with follow-up investigation at 1, 3, 6 and finally 32 (19-49) months postoperatively. Results Patients had complaints for 8 (3-60) months preoperatively. 8 shoulders (11%) were classified as primary and 63 (89%) shoulders as secondary type FS. 6 patients were lost to follow-up. Relative Constant score increased significantly from 31% before surgery to 103% at last follow-up. 55 patients (85%) achieved subjective remission after 7 (1.5-18) months, postoperatively. Overall duration of illness was 16 (5-72) months. All patients with primary FS achieved remission and all patients with persisting symptoms had secondary FS. Conclusion Duration of illness was shortened by more than 12 months compared with the natural time course defined by Reeves. Secondary FS, especially ac-joint pathologies, previous surgery, diabetes and more than 12 months preoperative illness duration were identified as risk factors for persisting complaints. Hypothesis of worse outcome in secondary FS was confirmed.
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Glenohumeral synovitis score predicts early shoulder stiffness following arthroscopic rotator cuff repair. J Orthop 2020; 22:17-21. [PMID: 32273668 DOI: 10.1016/j.jor.2020.03.050] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 03/26/2020] [Indexed: 11/20/2022] Open
Abstract
Background This study was conducted to determine if there is an association between an intraoperative glenohumeral synovitis score (GHSS) and postoperative shoulder stiffness in patients undergoing arthroscopic rotator cuff repair (ARCR). Methods Intraoperative GHSS was collected retrospectively from standardized arthroscopic images on consecutive patients undergoing primary ARCR. Range of motion was collected preoperatively and postoperatively at 3 and 6 months. Results 290 consecutive patients underwent primary ARCR. At three-months follow-up, 32 (11.0%) patients had glenohumeral stiffness. Patients with stiffness had significantly higher mean GHSS. Conclusion Higher intraoperative GHSS was associated with early postoperative shoulder stiffness at three-months after ARCR.
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Metabolic profiling of serum and tissue from the rotator interval and anterior capsule in shoulder stiffness: a preliminary study. BMC Musculoskelet Disord 2019; 20:364. [PMID: 31391025 PMCID: PMC6686262 DOI: 10.1186/s12891-019-2709-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 07/09/2019] [Indexed: 01/01/2023] Open
Abstract
Background Using mass spectrometry, we evaluated the metabolic profiles of patients who had rotator cuff tears with shoulder stiffness, or shoulder stiffness only, and compared these with samples from a control group. Methods This study enrolled 28 patients, including 10 patients with shoulder stiffness only (group I), nine patients with rotator cuff tear and stiffness (group II), and nine controls selected from patients diagnosed with impingement syndrome or long head of the biceps lesions without evident limitation of joint motion or rotator cuff tears. Serum and tissue from the rotator interval and anterior capsule were collected. In all, 82 samples were analyzed for metabolite profiling using the AbsoluteIDQ™p180 Kit. Results Comparison of 186 metabolites revealed that groups I and II had significantly higher concentrations of sphingolipids in serum (SM C24:1; group I = 65.16 μm, group II = 68.07 μm) than controls (55.37 μm, p = 0.005 & 0.015, respectively). Higher concentrations of sphingolipids were also present in the rotator interval tissue (SM C22:3) of groups 1 (0.0197 μm) and 2 (0.0144 μm) than controls (0.0081 μm, p = 0.012 & 0.014, respectively). The concentration of glycerophospholipid (PC aa C30:0) was higher in the anterior capsule tissue of groups I (0.850 μm) and II (1.164 μm) than controls (0.572 μm; p = 0.007) Total cholesterol was positively correlated with sphingolipid concentration in serum (SM C24:1, rho = 0.782, p = 0.008) and rotator interval tissue (SM C22:3, rho = 0.750, p = 0.017). There was no significant difference in the metabolites evaluated in groups I and II. Conclusion Metabolic profiling showed that levels of lipid-related metabolites were increased in the anterior capsule tissue and rotator interval tissue of patients with shoulder stiffness. Sphingomyelin (SM C22:3) in the tissue of the rotator interval was positively correlated with the serum level of total cholesterol in patients with shoulder stiffness only. The level of glycerophospholipid (PC30:0) in the anterior capsule was positively correlated with the serum level of total cholesterol in patients who had rotator cuff tear with shoulder stiffness. The results indicate that serum total cholesterol may be related to shoulder stiffness. Future studies are needed to evaluate the role of serum cholesterol in the pathogenesis of shoulder stiffness. Trial registration KC12OISI0532. Registered Nov 15, 2012. approval by the Institutional Review Board of Seoul St. Mary’s Hospital, the Catholic University of Korea.
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Frozen shoulder or shoulder stiffness from Parkinson disease? Musculoskelet Surg 2019; 103:115-119. [PMID: 30276531 DOI: 10.1007/s12306-018-0567-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 09/20/2018] [Indexed: 06/08/2023]
Abstract
PURPOSE To understand the role of camptocormia (increased kyphosis) and postural alteration in Parkinson's disease in the development of shoulder pathology, with a special concern for adhesive capsulitis and shoulder stiffness. METHODS A preliminary online search was carried out, with combination of keywords including "Parkinson," "Shoulder stiffness," "Frozen shoulder," "Adhesive capsulitis," "Postural alteration," "Camptocormia". The retrieved papers were screened by title and abstract and those considered relevant to the aim of the review were read in full text and included. Relevant information were extracted and reported into text. RESULTS Due to a severe impairment of posture, patients affected by PD show an increased thoracic kyphosis (camptocormia) and decreased mobility of the trunk that can yield a humeroacromial impingement syndrome and capsulitis, resulting in inflammation of the bursa, shoulder pain and reduction of movement. Furthermore, kinematic of the shoulder is allowed by the combined movement of the humerus, the scapula, the clavicle, the thoracic wall and thoracic spine. The thoracic spine and wall mobility are severely impaired in the parkinsonian patient, thus limiting the shoulder motion. CONCLUSION The postural alteration observed in PD is the primum movens for shoulder pathology, since anterior tilt of the scapula, which occurs with the increment of thoracic kyphosis, yields to a subacromial impingement. A closed loop is then created, as the rigidity of the shoulder causes further alteration in the posture, which worsens the impingement syndrome and so on.
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Postural differences in shoulder dynamics during pushing and pulling. J Biomech 2019; 85:67-73. [PMID: 30670329 DOI: 10.1016/j.jbiomech.2019.01.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 01/02/2019] [Accepted: 01/03/2019] [Indexed: 11/22/2022]
Abstract
Assessments of shoulder dynamics (e.g. the inertial, viscous, and stiffness properties of the joint) can provide important insights into the stability of the joint at rest and during volitional contraction. The purpose of this study was to investigate how arm posture influences shoulder dynamics while generating pushing or pulling torques in the horizontal plane. Sixteen healthy participants were examined in seven postures encompassing a large workspace of the shoulder. At each posture, the participant's shoulder was rapidly perturbed while measuring the resultant change in shoulder torque about the glenohumeral axis. Participants were examined both at rest and while producing horizontal flexion and extension torques scaled to 15% of a maximum voluntary contraction. Shoulder stiffness, viscosity, and damping ratio were estimated using impedance-based matching, and changes in these outcome measures with torque level, elevation angle, and plane of elevation angle were explored with a linear mixed effects model. Shoulder stiffness was found to decrease with increasing elevation angles (p < 0.001) without subsequent changes in viscosity, leading to a greater damping ratios at higher elevation angles (p < 0.001). Shoulder stiffness, viscosity, and damping ratio (all p < 0.05) were all found to significantly increase as the plane of elevation of the arm was increased. The relationship between the viscosity, stiffness and the damping ratio of the shoulder is one that the central nervous system must regulate in order to maintain stability, protect against injury, and control the shoulder joint as the inertial and muscle contributions change across different arm postures.
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The influence of reconstruction choice and inclusion of radiation therapy on functional shoulder biomechanics in women undergoing mastectomy for breast cancer. Breast Cancer Res Treat 2018; 173:447-453. [PMID: 30328049 DOI: 10.1007/s10549-018-5003-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 10/09/2018] [Indexed: 11/29/2022]
Abstract
PURPOSE The functional implications of reconstructing the breast mound with a latissimus dorsi (LD) flap or placing an implant under the pectoralis major (PM) muscle is complicated by potential comorbidities from disinserting these muscles and adjuvant radiotherapy. We utilized novel robot-assisted measures of shoulder stiffness and strength to dissociate how breast reconstruction choice and inclusion of radiation therapy impact shoulder morbidity in post-mastectomy reconstruction patients. METHODS Shoulder strength and stiffness were collected from 10 irradiated LD flap breast reconstruction patients, 14 two-stage subpectoral implant reconstruction patients (subpectoral), and 10 irradiated deep inferior epigastric perforator (DIEP) flap patients an average of 659 days post-reconstruction. Univariate ANOVAs examined surgical group differences in strength and stiffness. RESULTS There were main effects of surgical group on vertical adduction, vertical abduction, and internal rotation strength. The LD flap group was significantly weaker than the subpectoral group in all measures and significantly weaker than the DIEP group during vertical adduction. There was also a main effect of surgical group on vertical adduction stiffness, where the LD group exhibited significantly reduced stiffness while producing vertical adduction torque. No significant differences between the subpectoral and DIEP groups existed for any measure of shoulder strength or stiffness. CONCLUSIONS Disinsertion of the LD, not the disinsertion of the PM or radiotherapy, contributes to strength deficits following LD flap breast reconstructions. The combined disinsertion of the PM and LD compromises shoulder stability in the vertical plane. Shoulder function should be a focal point of the surgical decision-making process and postsurgical care.
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One-stage surgical treatment for concomitant rotator cuff tears with shoulder stiffness has comparable results with isolated rotator cuff tears: a systematic review. J Shoulder Elbow Surg 2017; 26:e252-e258. [PMID: 28478897 DOI: 10.1016/j.jse.2017.03.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 03/01/2017] [Accepted: 03/07/2017] [Indexed: 02/01/2023]
Abstract
BACKGROUND Addressing preoperative shoulder stiffness before rotator cuff repair (RCR) is advocated, but the effectiveness of this approach is debatable. We hypothesized that 1-stage treatment of concomitant rotator cuff tear (RCT) with shoulder stiffness has comparable results with isolated RCT. METHODS Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, the databases including MEDLINE, Embase, Cochrane Library, and Scopus were searched using the keywords of "shoulder stiffness" OR "adhesive capsulitis" OR "frozen shoulder" AND "rotator cuff." Studies that met all the criteria compared the 2 arms of isolated RCT vs. RCT with concomitant shoulder stiffness, received no physical therapy before surgery, and reported data of preoperative and postoperative range of motion (ROM) and functional outcomes after surgery. RESULTS Four level III studies met the inclusion criteria. The non-stiff group (isolated RCT) included 460 patients who underwent RCR; the stiff group (RCT with concomitant shoulder stiffness) included 111 patients who underwent RCR and manipulation under anesthesia with or without capsular release. There were significant differences in preoperative ROM between stiff and non-stiff groups. At final follow-up, there were no statistical differences in all ROM between the 2 groups. There was no significant difference in comparing preoperative and postoperative outcome scores including visual analog scale for pain, Constant, modified American Shoulder and Elbow Surgeons, and University of California-Los Angeles scores. CONCLUSIONS Concomitant surgical treatment of nonmassive RCT and moderate shoulder stiffness in 1 stage may have comparable results to the surgical treatment of RCT in patients without preoperative stiffness. Therefore, a physical therapy regimen before surgical intervention may not be necessary.
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Frequency of Shoulder Corticosteroid Injections for Pain and Stiffness After Shoulder Surgery and Their Potential to Enhance Outcomes with Physiotherapy: A Retrospective Study. Pain Ther 2017; 6:45-60. [PMID: 28185130 PMCID: PMC5447542 DOI: 10.1007/s40122-017-0065-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Indexed: 11/03/2022] Open
Abstract
Introduction What is the rate of injecting patients with shoulder corticosteroid injections to alleviate excessive stiffness and pain within 6 months after shoulder surgery? Methods Retrospective 10-year review of a shoulder surgeon’s practice. Participants included 754 patients who had 945 non-arthroplasty shoulder surgeries. Outcome measures included the rate of injections, diagnoses, patient characteristics, and efficacy via questionnaire. Results Approximately one in five patients received a subacromial and/or glenohumeral corticosteroid injection. Over 95% of patients stated that the injections helped reduce shoulder pain and increased function 6 weeks post-injection. Twenty-two percent of cases (208/945) received glenohumeral and/or subacromial injections. The 208 injected cases had these diagnoses: rotator cuff tear (28% of injected patients), subacromial impingement (20%), glenohumeral instability (16%), subacromial impingement with acromioclavicular osteoarthritis (10%), adhesive capsulitis (7%), SLAP lesion (5%), biceps tendinopathy (3%), glenohumeral instability with subacromial impingement (3%), proximal humerus fracture (2%), calcific tendinitis (2%), and less common conditions (4%). Diagnoses among those with the highest rates of injected patients per diagnosis included: SLAP lesions (40%), calcific tendinitis (40%), adhesive capsulitis (29%), subacromial impingement (28%), proximal humerus fracture (24%), rotator cuff tear (19%), and glenohumeral instability (16%). Significant differences (p < 0.03) were found between patients who did and did not receive injections with respect to age (more likely younger patients with cuff tear) and sex (more likely female with subacromial impingement and instability) but not for diabetes or arthroscopic vs. open procedures. Conclusion This is the first study to establish the rates of postoperative shoulder corticosteroid injections within the first 6 months after various non-arthroplasty shoulder surgeries for patients with high pain/stiffness. These data will be useful for establishing guidelines for using corticosteroid injections along with physiotherapy.
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Comparison of high- and low-dose intra-articular triamcinolone acetonide injection for treatment of primary shoulder stiffness: a prospective randomized trial. J Shoulder Elbow Surg 2017; 26:209-215. [PMID: 27914846 DOI: 10.1016/j.jse.2016.09.034] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2016] [Revised: 09/14/2016] [Accepted: 09/27/2016] [Indexed: 02/01/2023]
Abstract
BACKGROUND Intra-articular corticosteroid injection has a proven effect for shoulder stiffness, yet the optimal dose is still controversial. The purpose of the study was to compare the outcomes of intra-articular triamcinolone acetonide injection at 2 different doses in patients with shoulder stiffness. METHODS Intra-articular injection of 40 mg (group I, n = 76) or 20 mg (group II, n = 71) of triamcinolone acetonide was performed in patients with shoulder stiffness. The outcome measures including range of motion (ROM), American Shoulder and Elbow Surgeons score, visual analog scale for pain score, and Simple Shoulder Test score were evaluated at 3 weeks, 6 weeks, 12 weeks, 6 months, 12 months, and the last follow-up. Among the patients with controlled diabetes, the levels of blood glucose, fructosamine, and HbA1c were measured to evaluate systemic serologic changes induced by injection. RESULTS There were significant improvements in ROM and functional scores in both groups at the last follow-up. However, there was no significant difference between the groups in any of the parameters at each time point. None of the diabetic patients in either group had a significant increase in blood glucose, fructosamine, and HbA1c levels compared with levels before injection. However, those in group I showed significantly higher blood glucose levels at 6 weeks after injection compared with those in group II (P = .01). CONCLUSION Intra-articular injection of triamcinolone is an effective method for improving ROM and clinical function in patients with shoulder stiffness. However, there was no significant difference in regard to different doses. In diabetic patients, a lower dose is recommended as short-term glucose levels may increase with a high dose of corticosteroid.
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Arthroscopic capsular release and manipulation under anaesthesia for frozen shoulders: A hot topic. World J Meta-Anal 2015; 3:82-88. [DOI: 10.13105/wjma.v3.i2.82] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Revised: 12/31/2014] [Accepted: 01/19/2015] [Indexed: 02/05/2023] Open
Abstract
A frozen shoulder is a common cause of shoulder pain and stiffness. The etiology and pathology of frozen shoulders is not fully understood yet. Frozen shoulder is characterized by a decrease in intra-articular volume and capsular compliance. This can lead to significant limitations in daily life. The majority of the patients can be treated conservatively, with functional recovery to be expected in two to three years. However, if conservative treatment fails, manipulation under anaesthesia and arthroscopic capsular release can both be considered as appropriate treatments. Manipulation is a traditionally well-established technique but in recent years it seems that arthroscopic capsular release has gained popularity. Manipulation is a relative time efficient and technically low-demanding procedure in which the glenohumeral joint is forced into different directions under general anaesthesia to release the capsular contracture, thereby increasing the range of motion of the joint. In arthroscopic capsular release the glenohumeral capsule can be released in a more controlled manner under direct vision. There are no prospective comparative trials available to display superiority of one procedure over the other. In addition, the optimal timing of both these interventions still has to be determined. An overview of the literature concerning this topic and a description of both procedures with its own advantages and disadvantages is provided.
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Increased interleukin 1β levels in the subacromial fluid in diabetic patients with rotator cuff lesions compared with nondiabetic patients. J Shoulder Elbow Surg 2013; 22:1547-51. [PMID: 23523071 DOI: 10.1016/j.jse.2013.01.011] [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: 10/20/2012] [Accepted: 01/06/2013] [Indexed: 02/01/2023]
Abstract
BACKGROUND Diabetic patients have a high prevalence of shoulder pain and stiffness. Interleukin (IL) 1β was reportedly correlated with shoulder stiffness and decreased shoulder function. We retrospectively compared the expression of IL-1β in the subacromial synovial fluid between diabetic and nondiabetic patients with rotator cuff tearing. MATERIALS AND METHODS We enrolled 68 patients with rotator cuff tearing (23 diabetic patients and 45 nondiabetic patients). The preoperative sum of range-of-motion deficit (SROMD), Constant score, and visual analog scale (VAS) score were obtained. Intraoperatively, subacromial synovial fluid was collected for the IL-1β level measurement. Comparisons of IL-1β levels, Constant scores, SROMD, and VAS scores between diabetic and nondiabetic patients were analyzed with the Mann-Whitney U test. RESULT Diabetic patients with rotator cuff tearing had significantly increased subacromial IL-1β levels (P = .048), SROMD (P < .001) and VAS scores (P = .022) and lower Constant scores (P < .001) than nondiabetic patients. The IL-1β levels in the subacromial fluid were significantly correlated with the Constant score (r = -0.477, P < .001), VAS score (r = 0.698, P < .001), and SROMD (r = 0.293, P = .015) in all patients. CONCLUSION The elevated IL-1β levels in the subacromial fluid of patients with diabetes may explain the likelihood of pain and shoulder stiffness developing in these patients. We suggest more aggressive treatment for rotator cuff lesions in diabetic patients.
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Effectiveness of subacromial anti-adhesive agent injection after arthroscopic rotator cuff repair: prospective randomized comparison study. Clin Orthop Surg 2011; 3:55-61. [PMID: 21369479 PMCID: PMC3042170 DOI: 10.4055/cios.2011.3.1.55] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2009] [Accepted: 03/26/2010] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Arthroscopic rotator cuff repair generally has a good clinical outcome but shoulder stiffness after surgery due to subacromial adhesion is one of the most common and clinically important complications. Sodium hyaluronate (HA) has been reported to be an anti-adhesive agent in a range of surgical procedures. However, there are few reports of the outcomes of arthroscopic rotator cuff repair of the shoulder. This study examined whether a subacromial injection of HA/carboxymethylated cellulose (CMC) affected the postoperative shoulder stiffness and healing of rotator cuff repair, as well as the safety of an injection. METHODS Between January 2008 and May 2008, 80 consecutive patients with arthroscopic rotator cuff repair were enrolled. The patients were assigned randomly to the HA/CMC injection group (n = 40) or control group (n = 40). All patients were evaluated using the visual analog scale (VAS) for pain, passive range of motion at 2, 6 weeks, 3, 6, 12 months after surgery, and the functional scores at 6, 12 months postoperatively. Cuff healing was also evaluated using CT arthrography or ultrasonography at 6 or 12 months after surgery. RESULTS The HA/CMC injection group showed faster recovery of forward flexion at 2 weeks postoperatively than the control group but the difference was not statistically significant (p = 0.09). There were no significant difference in pain VAS, internal rotation, external rotation and functional scores between two groups at each follow-up period. The functional scores improved 6 months after surgery in both groups but there were no differences between the two groups. The incidence of unhealed rotator cuff was similar in the two groups. There were no complications related to an injection of anti-adhesive agents including wound problems or infections. CONCLUSIONS A subacromial injection of an anti-adhesive agent after arthroscopic rotator cuff repair tended to produce faster recovery in forward flexion with no adverse effects on cuff healing. However, its anti-adhesive effects after rotator cuff repair should be considered carefully with further studies.
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