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The effect of intravenous tranexamic acid on visual clarity in arthroscopic shoulder surgery compared to epinephrine and a placebo: a double-blinded, randomized controlled trial. J Shoulder Elbow Surg 2024; 33:628-639. [PMID: 37981002 DOI: 10.1016/j.jse.2023.10.001] [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: 01/31/2023] [Revised: 09/22/2023] [Accepted: 10/08/2023] [Indexed: 11/21/2023]
Abstract
BACKGROUND The addition of epinephrine in irrigation fluid and the intravenous or local administration of tranexamic acid have independently been reported to decrease bleeding, thereby improving surgeons' visualization during arthroscopic shoulder procedures. No study has compared the effect of intravenous tranexamic acid, epinephrine in the irrigation fluid, or the combination of both tranexamic acid and epinephrine on visual clarity during shoulder arthroscopy with a placebo group. We hypothesized that intravenous tranexamic acid is more effective than epinephrine mixed in the irrigation fluid in improving visualization during shoulder arthroscopy, with no additive effect when both are used. METHODS Patients aged ≥18 years undergoing shoulder arthroscopy were randomized into one of 4 study arms: (1) saline irrigation fluid (placebo); (2) epinephrine (0.33 mL of 1:1000 per liter) mixed in irrigation fluid (EPI); (3) 1 g intravenous tranexamic acid (TXA); and (4) epinephrine and tranexamic acid combined (TXA + EPI). Visualization was rated intraoperatively on a scale from 0, indicating poor clarity, to 3, indicating excellent clarity, every 15 minutes and overall. The primary outcome measure was the overall rating of visualization. A stepwise linear regression was performed using visualization as the dependent variable and independent variables including presence or absence of epinephrine and tranexamic acid, surgery duration, complexity, mean arterial pressure, increase in pump pressure, and volume of irrigation fluid. RESULTS One hundred twenty-eight patients (mean age 56 years) were randomized. Mean visual clarity for the placebo, TXA, EPI, and TXA + EPI groups were 2.0 (±0.6), 2.0 (±0.6), 2.6 (±0.5), and 2.7 (±0.5), respectively (P < .001). The presence or absence of epinephrine was the most significant predictor of visual clarity (P < .001). Tranexamic acid presence or absence had no effect. No adverse events were recorded in any of the groups. CONCLUSION Intravenous tranexamic acid is not an effective alternative to epinephrine in irrigation fluid to improve visualization during routine arthroscopic shoulder surgeries, and there is no additive effect when both are used.
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Are leaders born to lead, or are they made? J Shoulder Elbow Surg 2024; 33:531-535. [PMID: 37777042 DOI: 10.1016/j.jse.2023.08.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/25/2023] [Accepted: 08/27/2023] [Indexed: 10/02/2023]
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The effect of tranexamic acid and epinephrine on visual clarity during arthroscopic shoulder surgery: A meta-analysis of RCTs. Orthop Traumatol Surg Res 2024:103844. [PMID: 38395349 DOI: 10.1016/j.otsr.2024.103844] [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: 10/01/2023] [Revised: 12/31/2023] [Accepted: 02/19/2024] [Indexed: 02/25/2024]
Abstract
INTRODUCTION Visual clarity in arthroscopic rotator cuff repair is essential to reduce the operative time and for efficiency of repair. Tranexamic acid (TXA) in open shoulder surgery has been shown to reduce blood loss but its use in shoulder arthroscopy for rotator cuff repair for improved clarity is not understood. The purpose of this SR is to determine the effect of TXA and epinephrine on visual clarity in shoulder arthroscopy for rotator cuff repair. HYPOTHESIS We hypothesise that visual clarity should improve in those that have TXA compared to those who do not receive TXA. METHODS A review of the online databases MEDLINE and Embase was conducted on 8th October 2022 according to PRISMA guidelines. The review was registered prospectively in the PROSPERO database. Randomised clinical trials reporting visual clarity and/or, operative time, volume of irrigation fluid used and mean arterial pressure were included. The studies were appraised using the CONSORT tool. RESULTS Seven studies met eligible criteria, all of which were double-blinded RCTs. Five studies reported no difference in visual clarity between TXA vs. saline, while two reported a significant improvement with TXA. Pooling of data showed that visual clarity was significantly better in the TXA group vs. saline, on a standardised 10-point Likert scale (mean difference 0.73 points, p=0.03). However, the use of epinephrine was reported in two studies and its administration offered significantly better visual clarity than TXA (mean difference 0.9 points, p=0.02). There was no significant difference with TXA use in MAP (mean difference 1.2mmHg, p=0.14), operative time (mean difference 6.8minutes, p=0.11), irrigation volume used (mean difference 0.2L, p=0.88), or postoperative pain (mean difference 3.89 on a 0-100 VAS, p=0.34). CONCLUSION The use of TXA in shoulder arthroscopy has shown to have significantly improved visual clarity in comparison to saline irrigation alone. This may not necessarily result in a significant clinical difference and may not translate to significantly less operative time or postoperative pain score. Furthermore, epinephrine use alone offers significantly better clarity than TXA. There may not be an added benefit to give both, but this area requires further research. LEVEL OF EVIDENCE II; systematic review.
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Arthroscopic Rotator Cuff Repair with and without Acromioplasty in the Treatment of Full-Thickness Rotator Cuff Tears: Long-Term Outcomes of a Multicenter, Randomized Controlled Trial. J Bone Joint Surg Am 2022; 104:2101-2107. [PMID: 36476738 DOI: 10.2106/jbjs.22.00135] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND The aim of this study was to reevaluate patients from a previous randomized controlled trial at a long-term follow-up to determine the long-term efficacy of subacromial decompression in patients with full-thickness rotator cuff tears. METHODS This is a secondary study based on a previous, multicenter, randomized controlled trial with patients allocated to arthroscopic rotator cuff repair with or without acromioplasty. The original study was conducted between 2003 and 2011, and the secondary study was conducted between 2015 and 2021. Patients were invited by a blinded assessor to return to complete the Western Ontario Rotator Cuff (WORC) index and a questionnaire about reoperation and to undergo a clinical assessment. If participants were unable to return, they were asked to complete the questionnaires by mail. A chart review on all participants in the original study was conducted. RESULTS Eighty-six patients were randomized in the original trial, with 31 of 45 from the group without acromioplasty and 25 of 41 from the acromioplasty group returning for long-term follow-up. The mean duration (and standard deviation) of follow-up was 11.2 ± 2.4 years for the group without acromioplasty and 11.5 ± 2.6 years for the acromioplasty group. There was no significant difference in WORC scores between the groups with and without acromioplasty at the time of the long-term follow-up (p = 0.30). Seven (16%) of the 45 patients in the group without acromioplasty underwent reoperation. One (2%) of the initial 41 patients allocated to acromioplasty underwent reoperation. All patients who underwent a reoperation had a Type-2 or 3 acromion. CONCLUSIONS Patients who underwent rotator cuff repair with or without acromioplasty experienced improvement of outcomes from their preoperative level at a long-term follow-up (mean, 11 years), and there were no differences in patient-reported outcomes, specifically WORC scores, between these groups. However, a significantly higher reoperation rate was observed in patients who had rotator cuff repair without acromioplasty, specifically in those with a Type-2 or 3 acromion. LEVEL OF EVIDENCE Therapeutic Level I. See Instructions for Authors for a complete description of levels of evidence.
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Partial Rotator Cuff Repair Provides Improved Patient-Reported Outcome Measures Following Superior Capsule Reconstruction (SCR). Arthrosc Sports Med Rehabil 2022; 4:e1261-e1268. [PMID: 36033178 PMCID: PMC9402424 DOI: 10.1016/j.asmr.2022.03.004] [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] [Received: 09/15/2020] [Accepted: 03/07/2022] [Indexed: 12/01/2022] Open
Abstract
Purpose To evaluate the role of concomitant partial rotator cuff repair (RCR) (i.e., infraspinatus) on patient-reported clinical outcomes following superior capsule reconstruction (SCR). Methods Postoperative recovery outcomes of SCR alone were compared with SCR with concomitant infraspinatus rotator cuff repair (SCR+RCR) at 3, 6, 12, and 24 months. Patients were included if they had an SCR surgery with or without a concomitant infraspinatus repair. Patients were excluded if they did not have a minimum of 6 months’ follow-up or if a preoperative baseline questionnaire was not performed. Outcome measures included pain visual analog scale, American Shoulder and Elbow Surgeons (ASES) Shoulder Function, ASES Shoulder Index, and Single Assessment Numeric Evaluation (SANE) score. Results Overall, 180 patients were evaluated, including 163 patients who underwent SCR alone and 17 patients who underwent concomitant infraspinatus repair (SCR+RCR). There was no difference in demographic data including age, sex, and body mass index. The postoperative recovery curves demonstrated SCR alone and SCR+RCR both provide significantly improved pain and functional scores at 2 years postoperatively (P < .001). When we compared the 2 groups, SCR+RCR provided significantly improved ASES Index (87.6 vs 78.2, P = .048) and ASES Function (25.5 vs 21.7, P = .02). There was no statistically significant difference in SANE scores (75.5 vs 64.2, P = .07) at 24 months’ follow-up. Conclusions SCR provides modest improvements in pain and function at 2 years postoperatively in patients with irreparable rotator cuff tears. Patients who underwent SCR and concomitant infraspinatus repair demonstrated significantly improved ASES Index and ASES Function scores and statistically nonsignificant improvement in SANE scores at 24 months postoperatively when compared with SCR alone. Level of Evidence III, retrospective cohort study.
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Patient Age and Surgical Intervention as Risk Factors for the Development of Osteoarthritis After Posterior Shoulder Instability: A Population-Based Study. Orthop J Sports Med 2022; 10:23259671221112973. [PMID: 35928179 PMCID: PMC9344110 DOI: 10.1177/23259671221112973] [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: 02/14/2022] [Accepted: 05/11/2022] [Indexed: 11/17/2022] Open
Abstract
Background Diagnosis and treatment of posterior shoulder instability (PSI) has improved with advances in imaging and surgical technique. However, the relationship between PSI and osteoarthritis (OA) remains unclear. Purpose To evaluate a population-based cohort to (1) determine the rate of symptomatic OA, (2) identify patient characteristic risk factors for OA, and (3) evaluate the effect of posterior capsulolabral repair on OA progression. Study Design Case-control study; Level of evidence, 3. Methods After review of 324 patient records, we included 115 patients (14 female, 101 male) diagnosed with PSI between January 1994 and July 2012 with an average follow-up of 12.5 years (range, 5-23 years). Medical records were reviewed for patient characteristics, injury characteristics, surgical details (if any), and radiographic progression of OA. Kaplan-Meier survival was used to estimate survival free of OA; characteristics associated with OA progression were determined via univariate Cox regression models, and associated 95% CIs and hazard ratios (HRs) are presented. Results Overall, 14% (16/115) of patients had radiographic progression of symptomatic glenohumeral arthritis, with 5-year survival of 88.3% (95% CI, 79.7%-97.3%). Older age at the time of instability diagnosis was associated with arthritis progression (10-year unit HR, 1.95; 95% CI, 1.26-3.03). Patients who underwent surgery demonstrated increased radiographic progression of OA (HR, 4.03; 95% CI, 1.23-13.23). There was a trend of increased OA in patients treated with labral debridement compared with repair despite lower baseline levels of OA; however, this difference was not statistically significant (P = .09). Conclusion Symptomatic glenohumeral arthritis is not seen routinely in patients with PSI. Although uncommon, an age of at least 30 years at the time of diagnosis and surgical intervention were identified as risk factors for developing symptomatic arthritis at long-term follow-up.
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Postoperative recovery comparisons of arthroscopic Bankart to open Latarjet for the treatment of anterior glenohumeral instability. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2022; 33:1357-1364. [PMID: 35665856 DOI: 10.1007/s00590-022-03265-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 03/15/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Recurrent anterior glenohumeral instability is a disabling pathology that can be successfully treated by arthroscopic Bankart repair or open Latarjet. However, there is a paucity of studies comparing the postoperative recovery. The purpose of this study is to evaluate the postoperative pain and functional recovery following arthroscopic Bankart versus open Latarjet. METHODS This is a retrospective analysis of a multicenter prospective outcomes registry database. Postoperative recovery outcomes of either a primary or revision arthroscopic Bankart and open Latarjet procedures were compared. A minimum of 1-year follow-up was required. Outcomes measures included pain visual analog scale (VAS), American Shoulder and Elbow Surgeons (ASES) function score, ASES index score, and single assessment numeric evaluation (SANE) score. Overall, 787 patients underwent primary arthroscopic Bankart, 36 underwent revision arthroscopic Bankart and 75 underwent an open Latarjet procedure. RESULTS When compared to primary arthroscopic Bankart, open Latarjet demonstrated significantly lower VAS scores at 6 weeks (p = 0.03), 3 months (p = 0.01), and 2 years (p < 0.05). Medium-term outcomes for ASES scores and SANE score, at 1 and 2 years showed no difference. Latarjet demonstrated significantly lower (p < 0.05) preoperative early postoperative VAS pain scores with no difference at 1 year or 2 years when compared to primary Bankart. There was no difference in ASES function or index between Bankart and Latarjet. Revision Bankart provided inferior outcomes for VAS, ASES function, and ASES index when compared to primary Bankart and Latarjet at 1 year and 2 years. CONCLUSIONS Primary arthroscopic Bankart repair and open Latarjet provided nearly equivalent improvements in pain (VAS) and functional outcomes (ASES, SANE, VR-12) during the early recovery phase (2 years). This study supports the use of either procedure in the primary treatment of anterior glenohumeral instability. Revision arthroscopic Bankart repair demonstrated deteriorating outcomes at 1 and 2 years postoperatively.
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Complications of Superior Capsule Reconstruction for the Treatment of Functionally Irreparable Rotator Cuff Tears: A Systematic Review. Arthroscopy 2021; 37:2960-2972. [PMID: 33887411 DOI: 10.1016/j.arthro.2021.03.076] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 03/28/2021] [Accepted: 03/30/2021] [Indexed: 02/02/2023]
Abstract
PURPOSE The purpose of this systematic review is to characterize the complications associated with superior capsule reconstruction (SCR) for the treatment of functionally irreparable rotator cuff tears (FIRCTs). METHODS This systematic review was completed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses. Two independent reviewers completed a search of PubMed, Embase, and Medline databases. Studies were deemed eligible for inclusion if they reported postoperative outcomes of arthroscopic SCR for FIRCTs and considered at least 1 postoperative complication. Statistical heterogeneity was quantified via the I2 statistic. Due to marked heterogeneity, pooled proportions were not reported. All complications and patient-reported outcomes were described qualitatively. RESULTS Fourteen studies met the inclusion/exclusion criteria. The overall complication rate post-SCR ranged from 5.0% to 70.0% (I2 = 84.9%). Image-verified graft retear ranged from 8% to 70%, I2 = 79.4%), with higher rates reported when SCR was performed using allograft (19%-70%, I2 76.6%) compared to autograft (8%-29%, I2 = 66.1%). Reoperation (0%-36%, I2 = 73.4%), revision surgeries (0%-21%, I2 = 81.2%), medical complications (0%-5%, I2 = 0.0%), and infections (0%-5%, I2 = 0.0%) were also calculated. CONCLUSIONS SCR carries a distinct complication profile when used for the treatment of FIRCTs. The overall rate of complications ranged from 5.0% to 70.0%. The most common complication is graft retear with higher ranges in allografts (19%-70%) compared to autografts (8%-29%). The majority of studies reported at least 1 reoperation (range, 0%-36%), most commonly for revision to reverse shoulder arthroplasty. LEVEL OF EVIDENCE Level IV, systematic review of Level IV or better investigations.
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Clinical outcomes of latissimus dorsi tendon transfer and superior capsular reconstruction for irreparable rotator cuff tears: a systematic review. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2021; 32:1023-1043. [PMID: 34370112 DOI: 10.1007/s00590-021-03046-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 04/25/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Functionally irreparable rotator cuff tears (FIRCTs) present an ongoing challenge to the orthopedic surgeon. The aim of this systematic review was to critically compare the outcomes of three latissimus dorsi tendon transfer (LDT) techniques and two superior capsular reconstruction (SCR) techniques in treatment of FIRCTs. METHODS A systematic review of studies evaluating the outcome of FIRCT treatment was performed via a search of four databases in April 2020. Each included study was reviewed in duplicate by two reviewers for evaluation of methodological quality. The treatments analyzed were arthroscopic LDT (aLDT), open LDT Gerber technique (oLDTG), open LDT L'Episcopo technique (oLDTL), SCR with allograft (SCR-Allo), and SCR with autograft (SCR-TFL). Demographics, range of motion, patient-reported outcome measures, radiographic acromiohumeral distance (AHD), treatment failures, and revisions were recorded. RESULTS Forty-six studies (1287 shoulders) met criteria for inclusion. Twenty-three studies involved open latissimus transfer, with 445 shoulders undergoing oLDTG with mean follow-up of 63.2 months and 60 patients undergoing oLDTL with mean follow-up of 51.8 months. Ten studies (n = 369, F/U 29.2mo) reported on aLDT. Seven studies (n = 253, F/U 16.9mo) concerned SCR-Allo, and six studies (n = 160, F/U 32.mo) reported on SCR-TFL. Range of motion and subjective outcome scores improved in all techniques with no differences across treatments. Both SCR methods provided greater improvement in AHD than open LDT methods (p < 0.01). The re-tear rates were lower in both oLDT groups compared to the SCR groups (p = 0.03). Clinical failure rates were higher in the SCR-Allo and oLDTG groups, while overall treatment failures were lowest in oLDTL compared to all four other groups. CONCLUSION SCR techniques were associated with improved short-term radiographic acromiohumeral distance, while the open LDT techniques had lower tendon re-tear and treatment failure rates. All techniques resulted in improved clinical outcomes and pain relief compared to preoperative levels with no differences across techniques. LEVEL OF EVIDENCE IV Systematic review of case series and cohort studies.
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Effect of age, gender, and body mass index on incidence and satisfaction of a Popeye deformity following biceps tenotomy or tenodesis: secondary analysis of a randomized clinical trial. J Shoulder Elbow Surg 2021; 30:1733-1740. [PMID: 34022365 DOI: 10.1016/j.jse.2021.05.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 04/30/2021] [Accepted: 05/02/2021] [Indexed: 02/01/2023]
Abstract
BACKGROUND The purpose of this study was to determine the incidence of Popeye deformity following biceps tenotomy vs. tenodesis and evaluate risk factors and subjective and objective outcomes. METHODS Data for this study were collected as part of a randomized clinical trial in which patients aged ≥18 years undergoing arthroscopic shoulder surgery for a long head of the biceps tendon lesion were allocated to undergo tenotomy or tenodesis. The primary outcome measure for this secondary analysis was rate of Popeye deformity at 24 months postoperation as determined by an evaluator blinded to group allocation. Those with a deformity indicated their satisfaction with the appearance of their arm on a 10-cm visual analog scale, rated their pain and cramping, and completed the American Shoulder and Elbow Surgeons Standardized Shoulder Assessment Form and the Western Ontario Rotator Cuff index. Isometric elbow flexion and supination strength were also measured. Cohen kappa was calculated to measure inter-rater reliability between patient and evaluator on the presence of a deformity. Logistic regression was performed to identify predictors of presence or absence of a Popeye deformity. RESULTS One hundred fourteen patients were randomly assigned to 2 groups, of which 42 to the tenodesis group and 45 to the tenotomy group completed a 24-month follow-up. Based on clinical observation, the odds of a Popeye in the tenotomy group were 4.3 times greater than in the tenodesis group (P = .018) with incidence of 33% (15/45) and 9.5% (4/42), respectively. Surgical technique was the only significant predictor of perceived deformity, with male gender trending toward significance (odds ratio 7.33, 95% confidence interval 0.867-61.906, P = .067). Mean (standard deviation) satisfaction score of those with a deformity regarding appearance of their arm was 7.3 (2.6). Increasing satisfaction was correlated with increasing age (r = 0.640, P = .025), but there was no association with gender (r = -0.155, P = .527) or body mass index (r = -0.221, P = .057). Differences in subjective outcomes were dependent on whether the Popeye was clinician- or self-assessed. CONCLUSION The odds of developing a perceived Popeye deformity was 4.3 higher after tenotomy compared to tenodesis based on clinician observation. Male gender was trending toward being predictive of having a deformity. Pain and cramping were increased in those with a self-reported Popeye. Younger patients were significantly less satisfied with a deformity despite no difference in functional outcomes at 24 months. Thus, biceps tenodesis may be favored in younger male patients to minimize the risk of Popeye and the risk of dissatisfaction in the appearance of their arm following surgery.
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Needle Diagnostic Arthroscopy and Magnetic Resonance Imaging of the Shoulder Have Comparable Accuracy With Surgical Arthroscopy: A Prospective Clinical Trial. Arthroscopy 2021; 37:2090-2098. [PMID: 33798653 DOI: 10.1016/j.arthro.2021.03.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 02/21/2021] [Accepted: 03/04/2021] [Indexed: 02/02/2023]
Abstract
PURPOSE To examine the accuracy, sensitivity, and specificity of a minimally invasive needle arthroscopy device and magnetic resonance imaging (MRI) compared with diagnostic arthroscopy, the gold standard in diagnosing intra-articular shoulder pathologies. METHODS This was a prospective, blinded clinical trial over 6 months on 50 patients with shoulder pathology requiring arthroscopy. Patients were eligible if they had an MRI and consented for surgical arthroscopy. Patients were excluded if they didn't consent. Each underwent a clinical evaluation, MRI, needle arthroscopy, and surgical arthroscopy. Videos and images were blindly reviewed postoperatively. Analysis included sensitivity, specificity, positive predictive value (PPV), negative predictive value, Cohen's kappa agreement coefficient, and the McNemar test. RESULTS Needle arthroscopy had similar accuracy to MRI in diagnosing intra-articular shoulder pathologies when both were compared with the gold standard of diagnostic arthroscopy. It had high specificities and PPV for certain rotator cuff tears, biceps pathology, and anterior labral tears. When compared with the gold standard, specificity of needle arthroscopy for diagnosing rotator cuff tear and cartilage lesions was 1.00 and 0.97 and 0.72 and 0.86 for MRIs, respectively. Sensitivity of needle arthroscopy for rotator cuff and cartilage lesions was 0.89 and 0.74, respectively, lower than MRI. For most intra-articular pathologies, needle arthroscopy was at least equally accurate to MRI at diagnosing intra-articular shoulder pathologies, with similar or high kappa statistics when correlated with surgical arthroscopic findings. CONCLUSIONS Needle arthroscopy is a promising diagnostic modality for intra-articular shoulder pathologies. It had comparable accuracy with MRI for diagnosing articular cartilage, labrum, rotator cuff, and biceps pathology. Across all pathologies, needle arthroscopy had better ability to "rule in" a diagnosis (high specificities and PPV), but slightly worse ability to "rule out" a diagnosis (lower sensitivities and negative predictive value) compared with MRI. LEVEL OF EVIDENCE Level II, Development of diagnostic criteria on consecutive patients (with universally applied reference "gold" standard).
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Author Reply to "Regarding 'Platelet-Rich Plasma in Patients With Partial-Thickness Rotator Cuff Tears or Tendinopathy Leads to Significantly Improved Short-Term Pain Relief and Function Compared With Corticosteroid Injection: A Double-Blind Randomized Controlled Trial'". Arthroscopy 2021; 37:1376-1377. [PMID: 33745940 DOI: 10.1016/j.arthro.2021.03.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 03/12/2021] [Indexed: 02/02/2023]
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Platelet-Rich Plasma in Patients With Partial-Thickness Rotator Cuff Tears or Tendinopathy Leads to Significantly Improved Short-Term Pain Relief and Function Compared With Corticosteroid Injection: A Double-Blind Randomized Controlled Trial. Arthroscopy 2021; 37:510-517. [PMID: 33127554 DOI: 10.1016/j.arthro.2020.10.037] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 10/12/2020] [Accepted: 10/16/2020] [Indexed: 02/02/2023]
Abstract
PURPOSE To perform a randomized controlled trial comparing platelet-rich plasma (PRP) with standard corticosteroid (CS) injection in providing pain relief and improved function in patients with rotator cuff tendinopathy and partial-thickness rotator cuff tears (PTRCTs). METHODS This double-blind randomized controlled trial enrolled patients with ultrasound-proven or magnetic resonance imaging-proven PTRCTs who received either an ultrasound-guided PRP or CS injection. Patients completed patient-reported outcome assessments at baseline and at 6 weeks, 3 months, and 12 months after injection. The primary outcome was improvement in the visual analog scale (VAS) score for pain. Secondary outcomes included changes in American Shoulder and Elbow Surgeons (ASES) and Western Ontario Rotator Cuff Index (WORC) scores. Treatment failure was defined as subsequent injection, consent to undergo surgery, or operative intervention. RESULTS We followed up 99 patients (47 in the PRP group and 52 in the CS group) until 12 months after injection. There were no differences in baseline patient demographic characteristics including age, sex, or duration of symptoms. Despite randomization, patients in the PRP group had worse baseline VAS (46.0 vs 34.7, P = .01), ASES (53.9 vs 61.8, P = .02), and WORC (42.2 vs 49.5, P = .03) scores. At 3 months after injection, the PRP group had superior improvement in VAS (-13.6 vs 0.4, P = .03), ASES (13.0 vs 2.9, P = .02), and WORC (16.8 vs 5.8, P = .03) scores. There were no differences in patient-reported outcomes at 6 weeks or 12 months. There was no difference in the rate of failure (P = .31) or conversion to surgery (P = .83) between groups. CONCLUSIONS Patients with PTRCTs or tendinopathy experienced clinical improvement in pain and patient-reported outcome scores after both ultrasound-guided CS and PRP injections. Patients who received PRP obtained superior improvement in pain and function at short-term follow-up (3 months). There was no sustained benefit of PRP over CS at longer-term follow-up (12 months). LEVEL OF EVIDENCE Level I, randomized controlled trial.
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Neuroapraxia and early complications after reverse shoulder arthroplasty with glenoid bone grafting. J Shoulder Elbow Surg 2021; 30:258-264. [PMID: 32838952 DOI: 10.1016/j.jse.2020.05.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 05/01/2020] [Accepted: 05/04/2020] [Indexed: 02/01/2023]
Abstract
BACKGROUND Bone grafting during primary reverse shoulder arthroplasty (RSA) is a technique used to restore poor glenoid bone, increase lateralization, and restore abnormal inclination or version. The purpose of this article is to analyze early outcomes of bone grafting during RSA, assessing the influence of technical and patient considerations. METHODS In a 4.5-year time period, 137 RSAs with glenoid bone grafting were performed with a minimum 3 months' follow-up. The mean follow-up was 17 months (range, 3-38). The mean age was 71 years (range, 45-89), and body mass index was 28 (range, 19-44). The source of the autografts were humeral head (n = 113) and iliac crest autograft (ICBG; n = 24). The humeral components included 84 onlay and 53 inlay designs. RESULTS Overall, there were 16 complications (12%), of which 6 were major (5%) (3 graft nonunions and 3 infections) and 10 minor (8%) (1 carpal tunnel syndrome and 9 transient axillary neuropraxias). Of the 9 axillary neuropraxias, 8 resolved by the most recent follow-up, whereas 1 patient was lost to follow-up. There were 4 reoperations (3%): 2 for glenoid baseplate loosening, 1 for severe notching associated with severe glenoid bone loss, and 1 for deep periprosthetic infection. One additional patient had a baseplate failure and is undergoing further treatment. There was no difference in the occurrence of graft nonunions, revision surgery, or glenoid component loosening when comparing type of graft or humeral component used. There was an association of revision surgery (P = .02) with ICBG and older age at the time of surgery (P = .02) and an association of transient neuroapraxia with onlay humeral components (P = .01) and workers' compensation cases (P = .04). CONCLUSIONS There is a high union rate and low complication rate after bone grafting of the glenoid performed with RSA. Transient neuropraxias are the most frequent complication, but the majority resolve within the first postoperative year. These early findings can serve as the basis for future long-term, comprehensive analysis of complications and outcomes after bone grafting during RSA.
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Arthroscopic lower trapezius tendon transfer provides equivalent outcomes to latissimus dorsi transfer in the treatment of massive posterosuperior rotator cuff tears. J ISAKOS 2020. [DOI: 10.1136/jisakos-2019-000341] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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The impact of workers' compensation on recovery after biceps tenodesis. J Shoulder Elbow Surg 2020; 29:1783-1788. [PMID: 32359714 DOI: 10.1016/j.jse.2020.01.095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 01/25/2020] [Accepted: 01/28/2020] [Indexed: 02/01/2023]
Abstract
BACKGROUND There remains a paucity of studies examining the impact of workers' compensation (WC) on a variety of outcomes after biceps tenodesis. The purpose of this study was to compare the postoperative recovery curves after biceps tenodesis in patients with and without WC claims. METHODS Using the Surgical Outcomes System database, we assessed the postoperative recovery outcomes of all patients who had outcomes recorded at least 6 months after isolated biceps tenodesis for the treatment of a diagnosis of biceps tendinitis, stratified by WC status. The outcomes analyzed included visual analog scale, American Shoulder and Elbow Surgeons, VR-12 (Veterans RAND 12 Item Health Survey) mental and physical, Simple Shoulder Test, and Single Assessment Numeric Evaluation scores. RESULTS Overall, 139 patients with WC claims underwent isolated biceps tenodesis vs. 786 patients without WC claims. Demographic characteristics and comorbidities were similar in the 2 groups. Patients without WC claims had significantly improved visual analog scale, VR-12, American Shoulder and Elbow Surgeons, Single Assessment Numeric Evaluation, and Simple Shoulder Test scores at all times points after 3 months and 1 year compared with patients with WC claims. CONCLUSIONS On analysis of patients' recovery after isolated biceps tenodesis, WC claims led to significantly worse pain and functional outcomes at every time point of analysis (3, 6, 12, and 24 months). Furthermore, patients with WC claims had worse preoperative-to-postoperative improvements in most outcomes. This information can be used to educate surgeons and patients on postoperative expectations, as well as to perform analyses focused on health economics, value, and policy.
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Capsular release following total shoulder arthroplasty: an analysis of early outcomes. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2020; 31:167-173. [PMID: 32761384 DOI: 10.1007/s00590-020-02754-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 07/25/2020] [Indexed: 11/24/2022]
Abstract
BACKGROUND The purpose of this study is to analyze the outcomes of open and arthroscopic capsular release following total shoulder arthroplasty. METHODS Over 15 years, 19 patients experienced persistent shoulder stiffness after anatomic total shoulder arthroplasty refractory to nonoperative treatment, requiring either open (n = 5) or arthroscopic (n = 14) capsular release. There were seven (39%) patients who had a prior diagnosis of stiffness before the primary arthroplasty. RESULTS At a follow-up of 2.3 years (1-5.5), there were changes in range of motion, including forward flexion (77°-117°), abduction (49°-98°), external rotation (9°-19°), internal rotation at 0° (Sacrum to L1), and pain (4.1-2.3) scores (p < 0.01). There were seven (37%) patients that required a reoperation following the initial capsular release. The survival-free of reoperation at 2 and 5 years was 76% and 53%, respectively, while the survival-free of revision surgery at 2 and 5 years was 83%. Furthermore, three (16%) patients required a repeat capsular release. Overall, there were 11 (58%) complications, including stiffness (n = 9), infection (n = 1), subscapularis rupture (n = 2), glenoid loosening (n = 3), and pain with weakness requiring reoperation (n = 1). CONCLUSIONS Shoulder stiffness after total shoulder arthroplasty is a very difficult pathology to treat, with high rates of complications and reoperations after capsular release. Overall, in patients that do not develop glenoid loosening, capsular release does improve the patient's pain and shoulder motion. Furthermore, when patients develop stiffness, it is critical to rule out other etiologies, such as glenoid loosening, prior to proceeding with capsular release. LEVEL OF EVIDENCE IV Retrospective case series.
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Abstract
Failed multiligament knee reconstruction is a challenging problem due to recurrent pathologic laxity that is often associated with limb malalignment, meniscus deficiency, articular cartilage insufficiency, decreased motion, compromised bone stock, and a paucity of graft sources. Revision surgical indications and techniques require a comprehensive evaluation of the patient, injury and treatment factors along with a focused physical examination and advanced imaging. A stepwise treatment approach can be effective in the evaluation of revision surgery and also in setting realistic patient goals.
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Abstract
Anterior glenohumeral instability is common, with 21.9 first-time dislocations per 100,000 individuals per year. Recurrent instability is more likely to occur in patients who are younger, of male sex, and have bone defects or ligament laxity. The open Latarjet procedure is effective for the treatment of recurrent anterior glenohumeral instability and is preferred over arthroscopic Bankart repair in the presence of glenoid bone loss. The Latarjet procedure involves transferring the coracoid to the anterior aspect of the glenoid in the following steps. Step 1: Preoperative planning includes an assessment of glenoid deformation and the integrity of the rotator cuff. The degree of bone loss is measured with use of the circle-line method. Step 2: The patient is in the beach-chair position with the arm in a pneumatic arm holder. A parallel drill guide system with 3.75-mm cannulated screws is utilized. Step 3: A 5-to-6-cm incision is made along the anterior axillary line. The deltopectoral interval is established, and the cephalic vein is mobilized laterally. The coracoacromial ligament is transected 15 mm lateral to the coracoid to allow later repair to the anterior capsule. The pectoralis minor is released subperiosteally off the medial coracoid. A 90° oscillating saw is used to transect the coracoid medially to laterally. The coracohumeral ligament is released. Step 4: Two 4.0-mm drill-holes are made 1 cm apart through the coracoid. The undersurface is decorticated. Step 5: The subscapularis is split at the junction of the upper two-thirds and lower one-third. A longitudinal capsulotomy is performed parallel to the glenoid. Step 6: Soft tissue, including the capsule and labrum, is removed from the anterior aspect of the glenoid. The bone is decorticated with an osteotome and a rasp. Step 7: The coracoid is positioned flush or 1 mm recessed relative to the glenoid. Two 1.6-mm guidewires are placed with use of a parallel drill guide followed by a cannulated reamer and two 3.75-mm cannulated screws. Step 8: The coracoacromial ligament is repaired to the capsule. Step 9: The subscapularis split is repaired laterally. The deltopectoral interval and skin are closed in a standard fashion. A standardized rehabilitation protocol is employed postoperatively. The Latarjet procedure results in significantly lower rates of recurrent glenohumeral instability and revision compared with the arthroscopic Bankart procedure (3% and 1% compared with 28.4% and 21%, respectively); however, complication rates as high as 30% have been reported, as well as a risk for nerve injury. The videos included in this article highlight the critical steps required to optimize outcomes and minimize complications when performing the Latarjet procedure.
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Capsular Release Following Total Shoulder Arthroplasty: An Analysis of Early Outcomes. JSES OPEN ACCESS 2019. [DOI: 10.1016/j.jses.2019.10.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Is Revision to Anatomic Shoulder Arthroplasty Still an Option? A Systematic Review. JSES OPEN ACCESS 2019. [DOI: 10.1016/j.jses.2019.10.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Arthroscopic Treatment of Massive Posterosuperior Rotator Cuff Tears: A Critical Analysis Review. JBJS Rev 2019; 6:e3. [PMID: 30204644 DOI: 10.2106/jbjs.rvw.17.00199] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Editorial Commentary: Anterior Capsular Reconstruction for Subscapularis Deficiency: The Definitive Treatment or a Helpful Adjunct? Arthroscopy 2019; 35:3009-3010. [PMID: 31699251 DOI: 10.1016/j.arthro.2019.08.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 08/02/2019] [Indexed: 02/02/2023]
Abstract
Anterior glenohumeral instability in the setting of irreparable subscapularis deficiency represents a difficult clinical scenario for the treating shoulder surgeon. Anterior capsular reconstruction with humeral dermal allograft improved glenohumeral translation stability and range of motion to near-normal values whereas pectoralis major tendon transfer was unable to do so. However, placement of a static spacer does not restore the dynamic force couple or shoulder kinematics. Further research is needed to evaluate the functional outcomes using this reconstruction technique.
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Long-term outcomes following isolated arthroscopic Bankart repair: a 9- to 12-year follow-up. JSES OPEN ACCESS 2019; 3:189-193. [PMID: 31720496 PMCID: PMC6835116 DOI: 10.1016/j.jses.2019.05.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Background The long-term outcomes following arthroscopic Bankart repair have been rarely reported. Because of its relative novelty, little is known about recurrent instability, postoperative arthritis, and patient satisfaction, particularly for well-established modern procedures. The purpose of the study was to evaluate the long-term outcomes following arthroscopic Bankart repair. Methods Patients who underwent isolated arthroscopic Bankart repair from 2003 to 2006 were retrospectively reviewed. Recurrent instability, radiographic, and clinical scores (American Shoulder and Elbow Surgeons [ASES], Simple Shoulder Test [SST], and Rowe scores) were evaluated. Patient factors (ie, age, gender, side, number of instability episodes, contact sports, and bone loss) were analyzed to determine the correlation with outcome measures. Results Among the 98 patients (102 shoulders), we were able to contact 50 patients (51 shoulders, mean age 27.0 years, mean follow-up 121.2 months). Significant bone loss in glenoid and humerus was arthroscopically observed in 16 (31.4%) and 28 (54.9%) shoulders, respectively. Sixteen shoulders (31.4%) experienced recurrent instability. Recent radiographs were obtained for 38 shoulders, 14 (36.8%) of which showed moderate to severe arthritis. Clinical outcomes at follow-up were 89.3, 10.8, and 76.0 for ASES, SST, and Rowe scores, respectively. Neither recurrent instability nor arthritis was correlated with any patient factors. Conclusion When isolated arthroscopic Bankart repair was used in all patients with shoulder instability regardless of bony defect, postoperative recurrent instability and arthritis rates were unacceptably high. Additional procedures should be chosen after careful consideration of multiple patient factors.
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Nonoperative Management of Posterior Shoulder Instability: An Assessment of Survival and Predictors for Conversion to Surgery at 1 to 10 Years After Diagnosis. Arthroscopy 2019; 35:1964-1970. [PMID: 31196692 DOI: 10.1016/j.arthro.2019.01.056] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 01/30/2019] [Accepted: 01/31/2019] [Indexed: 02/02/2023]
Abstract
PURPOSE To (1) define the rate of delayed surgery, between 1 and 10 years after injury, in a population-based study of patients with posterior shoulder instability (PSI), (2) evaluate predictive factors associated with delayed repair, and (3) identify differences between the nonoperative and operative groups at long-term follow-up. METHODS A population-based retrospectively reviewed study of all patients with PSI from January 1, 1994, to December 31, 2015, was performed. Inclusion required a clinical diagnosis of PSI combined with supporting imaging. Complete medical records were reviewed for 2,091 potential cases. Kaplan-Meier estimates were used to calculate survival. Landmark survival analysis was performed to identify predictors of conversion to surgery. RESULTS The study included 143 patients with PSI, 79 of whom were managed nonoperatively for at least 1 year after diagnosis. After the first year, survival free of surgery was 78.3% at 1 year, 63.1% at 5 years, and 51.5% at 10 years. There was a trend toward increased surgery in patients with a body mass index > 35 (P = .10; hazard ratio = 2.32; confidence interval, 0.8-6.8). Nonthrowing athletes (including contact/weight-lifting athletes) showed a trend toward an increased risk for surgery (P = .07). Patients who underwent surgery were significantly more likely to have progression in arthritis (P = .02; hazard ratio = 4.0; confidence interval, 1.2-13.2). CONCLUSIONS Nonoperative management was performed for at least 1 year in over half of patients diagnosed with PSI. Overall, long-term follow-up demonstrates that 46% of these patients converted to surgery between 1 and 10 years after initial diagnosis. Ultimately, 70% of patients diagnosed with PSI go on to surgical intervention. Patients who underwent surgery at any time point were at an increased risk of radiographic progression of arthritis at a minimum of 5 years of follow-up. LEVEL OF EVIDENCE Level III, cohort study.
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Superior capsule reconstruction using dermal allograft: early outcomes and survival. J Shoulder Elbow Surg 2019; 28:S100-S109. [PMID: 31196503 DOI: 10.1016/j.jse.2019.04.011] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 04/17/2019] [Accepted: 04/18/2019] [Indexed: 02/01/2023]
Abstract
BACKGROUND Superior capsule reconstruction (SCR) has shown promising outcomes in its initial description, but lacks additional reports analyzing outcomes. This study analyzes early outcomes of SCRs in patients with massive irreparable rotator cuff tears. METHODS A retrospective analysis of all SCRs at our institution from January 1, 2015, to August 31, 2017, was performed with a minimum 6-months follow-up. A total of 34 patients were included with a mean age of 60 years. SCR was performed by 1 of 6 fellowship trained surgeons. RESULTS At an average follow-up of 12 months, 22 patients were identified as failures after modified Neer classification. Furthermore, 8 of these patients have undergone a reoperation, whereas an additional 14 patients were considered clinical failures experiencing continued pain and a lack of shoulder function. Of note, 2 of the 3 patients with a subscapularis tear had a failure. In addition, revision cases, female gender, increased fatty infiltration in the infraspinatus and low surgeon volume were associated with a higher rate of failure. There was no significant improvement in range of motion or functional scores. CONCLUSION SCR performed for large-to-massive irreparable rotator cuff tears has a high rate of persistent pain and poor function leading to clinical failure in 65% of patients. Risk factors predicting clinical failure included revision cases, female gender, increased Goutallier fatty infiltration of the infraspinatus, and low surgeon volume (n ≤ 10).
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Incidence of posterior shoulder instability and trends in surgical reconstruction: a 22-year population-based study. J Shoulder Elbow Surg 2019; 28:611-616. [PMID: 30503178 DOI: 10.1016/j.jse.2018.08.046] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 08/22/2018] [Accepted: 08/29/2018] [Indexed: 02/01/2023]
Abstract
BACKGROUND The incidence of posterior shoulder instability (PSI) in the general population is not well defined. This study aimed to define the population-based incidence of PSI and describe trends in incidence and surgery rates. METHODS The study population included 143 patients (16 females, 127 males) diagnosed with new-onset PSI between January 1, 1994, and December 31, 2015. Medical records were reviewed to extract patient data. Age- and sex-specific incidence rates were calculated and adjusted to the 2010 United States population. Poisson regression was performed to examine trends by timeline, sex, and age. RESULTS Age- and sex- adjusted annual incidence of PSI was 4.64 per 100,000 person-years, and posterior dislocation was 1.30 per 100,000 person-years. Peak PSI incidence for males and females was at 14 to 19 years (31.82 and 5.23 per 100,000 person-years). PSI incidence was higher in males than females (8.86 vs. 1.07 per 100,000 person-years, P < .001). The 5-year cumulative risk of surgery for patients with PSI was 53.1% between 1996 and 2002, 59.9% between 2003 and 2008, and 87.5% between 2009 and 2015. Patients with PSI between 2009 and 2015 had a significantly increased rate of surgery (hazard ratio, 2.2; 95% confidence interval, 1.4-3.6; P = .001) compared with those between 1996 and 2002. CONCLUSION The age- and sex- adjusted incidence of PSI in the general population was 4.64 per 100,000 person-years. There is a significantly greater incidence of PSI in males than females, with both sexes peaking at 14 to 19 years and incidence rates remaining elevated throughout the third and fourth decades of life. The incidence of PSI remained stable over time; however, the rate of surgical intervention increased significantly, from 53.1% of patients between 1996 and 2002 to 87.5% of patients between 2009 and 2015.
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The impact of the reverse prosthesis on revision shoulder arthroplasty: analysis of a high-volume shoulder practice. J Shoulder Elbow Surg 2019; 28:e49-e56. [PMID: 30503332 DOI: 10.1016/j.jse.2018.08.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 08/02/2018] [Accepted: 08/05/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND Since the approval of reverse shoulder arthroplasty (RSA) in 2004, the use of shoulder arthroplasty increased dramatically. Although the success of RSA in the revision setting has been demonstrated, there remains a paucity of studies examining the epidemiology of RSA in revision arthroplasty. This study describes trends of revision arthroplasty during the "era of the reverse," from 2005 through 2016. METHODS In a multicenter retrospective analysis, we analyzed 274 revision shoulder arthroplasties converted to a RSA (n = 182), anatomic total shoulder arthroplasty (TSA, n = 68), or hemiarthroplasty (n = 24) from 2005 to 2016. Demographics, surgical indications, and types of prosthesis were analyzed. RESULTS The number of revision arthroplasties increased over 12 years. From 2005 to 2010, TSA (33%) or hemiarthroplasty (16%) were used in similar rates as RSA (51%). From 2011 to 2016, there was a much higher incidence of revision arthroplasty with RSA (78%) compared with TSA (19%) or hemiarthroplasty (3%). Specifically, the number of RSAs increased in 2011 to 2016 compared with 2005 to 2010 in patients aged younger than 60 years, obese patients, patients with indications of glenoid loosening, and those with a diagnosis of diabetes mellitus or rheumatoid arthritis. CONCLUSIONS The use of RSA for revision arthroplasty increased over the "era of the reverse" and became the majority by 2016. The reverse prosthesis has had expanding indications regarding both patient demographics and pathology. This study demonstrates the reverse prosthesis has had a similar and even more profound effect on revision shoulder arthroplasty than what has previously been well documented in the primary setting.
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A reduction in the rate of nerve injury after Latarjet: a before-after study after neuromonitoring. J Shoulder Elbow Surg 2018; 27:2153-2158. [PMID: 30337265 DOI: 10.1016/j.jse.2018.05.028] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 05/07/2018] [Accepted: 05/13/2018] [Indexed: 02/01/2023]
Abstract
BACKGROUND Neurologic dysfunction is a known complication after the open Latarjet procedure. Although the reported clinical incidence is variable, a prior neuromonitoring study demonstrated a significant incidence of nerve dysfunction during surgery, presumably from nerve stretch. We aimed to determine whether a nerve stretch-reduction protocol reduced the incidence of neurologic injury after the open Latarjet procedure. METHODS In a nonrandomized study, 38 patients (group 1) who underwent surgery before our neuromonitoring study were compared with 48 patients (group 2) who underwent surgery after this study. Follow-up was at least 3 months or until documented resolution of nerve dysfunction. RESULTS There were no significant demographic differences between the groups. In group 1, there were 7 nerve injuries, of which all but 2 recovered. In group 2, there were 3 nerve injuries, of which all but 1 recovered. The overall incidence of nerve injury was 18.4% (group 1) vs. 6.3% (group 2); however, the incidence of permanent motor dysfunction was 5.3% (group 1) vs. 2.1% (group 2). These differences were not significant, likely due to the small number of patients included. CONCLUSIONS We observed a reduction of nerve injury with the implementation of a nerve stretch-reduction protocol during the Latarjet procedure; however, we could not demonstrate statistical significance. This trend represents an important finding that modification of surgical technique can reduce the incidence of nerve injury with the Latarjet procedure.
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Posterolateral Corner Reconstruction Using the Anatomical Two-Tailed Graft Technique: Clinical Outcomes in the Multiligament Injured Knee. J Knee Surg 2018; 31:1031-1036. [PMID: 29444543 DOI: 10.1055/s-0038-1632377] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Injury to the posterolateral corner (PLC) of the knee can lead to both varus and rotational instability. Multiple PLC reconstruction techniques have been described, including one-tailed graft (fibula-based constructs) or two-tailed graft (combined fibula- and tibia-based constructs). The purpose of our study was to evaluate the clinical outcomes of anatomical two-tailed graft reconstruction of the PLC in the setting of multiligament knee injuries (MKLIs) with grade III varus instability. Patients were identified through a prospective MLKI database between 2004 and 2013. Patients who received fibular collateral ligament and PLC reconstructions using a two-tailed graft and had a minimum follow-up of 2 years were included. Patients were assessed for clinical laxity grade, range of motion, and functional outcomes using Lysholm and International Knee Documentation Committee (IKDC) scores. Twenty patients (16 male, 4 female) with a mean age of 30.7 (range: 16-52) and a mean follow-up of 52.2 months (range: 24-93 months) were included. Knee dislocation (KD) grades included: 4 KD-1, 10 KD 3-L, 5 KD-4, and 1 KD-5. No patients had isolated PLC injuries. Mean IKDC and Lysholm score were 73.1 ± 25.8 and 78 ± 26, respectively. Mean range of motion was -1.1 to 122.8. In full extension, two patients (10%) had grade 1 laxity to varus stress. In 30 degrees of knee flexion, five (25%) patients had grade 1 laxity, and two (10%) had grade 2 laxity. Anatomical two-tailed PLC reconstruction can reliably restore varus stability when performed on patients with MLKIs and type C posterolateral instability with hyperextension external rotation recurvatum deformity. Satisfactory functional outcome scores were achieved in the majority of patients. This study supports the use of an anatomical two-tailed PLC reconstruction in the multiligament injured knee. The level of evidence is IV, case series.
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Novel Arthroscopic Tendon Transfers for Posterosuperior Rotator Cuff Tears: Latissimus Dorsi and Lower Trapezius Transfers. JBJS Essent Surg Tech 2018; 8:e12. [PMID: 30233984 DOI: 10.2106/jbjs.st.17.00062] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background Massive irreparable rotator cuff tears in both the primary and the revision setting are challenging problems. There remains controversy over the ideal treatment methods for these patients. In the case of an irreparable posterosuperior rotator cuff tear, tendon transfers1-12 have emerged as a reliable option, with a durable outcome. The most commonly used tendon transfer options are the latissimus dorsi (LD)1-6and the lower trapezius (LT)12. Description The LD transfer is performed by first harvesting the LT tendon from the humeral shaft. It is critical to release the many adhesions to the muscle belly as well as to separate it from the teres major muscle. The tendon is then transferred intra-articularly, in an interval between the deltoid and the teres minor. The tendon is anchored arthroscopically after preparation of the anterolateral aspect of the tuberosity. The LT transfer is performed by harvesting the LT muscle and tendon off its insertion on the medial aspect of the scapular spine. It should be mobilized to maximize excursion by releasing adhesions. An Achilles tendon allograft is anchored into the anterior aspect of the greater tuberosity arthroscopically. The Achilles tendon is then secured to the LT tendon. Alternatives In addition to tendon transfer, options include:Partial or complete attempted repair13-17.Augmentation or bridging with allografts18-23.Superior capsular reconstruction24.Subacromial balloon25. Rationale There remains a paucity of literature comparing tendon transfers with alternatives. However, when considering a tendon transfer, certain principles are critical in order to achieve an optimal outcome:The recipient and transferred tendons must have similar musculotendinous excursion.The recipient and transferred tendons should have similar lines of pull.One tendon (the transferred) should be designed to replace 1 function (of the recipient).The function of the transferred tendon and muscle should be expendable without substantial donor site morbidity.The strength of the transferred muscle must be at least grade 4.When deciding between the LT and LD transfer, certain considerations should be taken into account. The LD transfer has a proven history of successfully treating massive irreparable posterosuperior rotator cuff tears in studies with long-term follow-up1-6. Alternatively, although the LT transfer has only recently gained popularity, it has the advantage of "in-phase" muscle function, since the trapezius naturally contracts during shoulder external rotation. Furthermore, its line of pull almost completely mimics the infraspinatus.
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Revision Multiligament Knee Reconstruction: Clinical Outcomes and Proposed Treatment Algorithm. Arthroscopy 2018; 34:736-744.e3. [PMID: 29273255 DOI: 10.1016/j.arthro.2017.09.022] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 08/25/2017] [Accepted: 09/05/2017] [Indexed: 02/02/2023]
Abstract
PURPOSE To (1) assess clinical outcomes of revision multiligament knee injury (MLKI) reconstruction at a minimum of 2 years' follow-up and (2) present a standardized treatment algorithm used in treating revision MLKI patients. METHODS A retrospective review of our institution's MLKI database was performed to identify all patients who underwent revision MLKI reconstructions (≥2 ligaments reconstructed) after implementation of a standardized treatment algorithm in 2000 and had a minimum of 2 years' follow-up. Patient demographic information, injury description (mechanism of injury, neurovascular status, knee dislocation grade, associated chondral or meniscal injury), surgical technique (repair vs reconstruction, staged vs nonstaged, concomitant procedures), mechanism of failure, knee stability, and range of motion, as well as International Knee Documentation Committee and Lysholm scores, were obtained. RESULTS We assessed 23 patients (8 female and 15 male patients), with an average age of 26.7 ± 11.5 years at primary surgery and 30.8 ± 11.0 years at revision surgery. The mean follow-up period was 7.5 ± 5.3 years. Of the 23 patients, 10 (43.4%) underwent staged revision procedures: isolated bone grafting in 3, osteotomy in 4, hardware removal with osteochondral allograft in 1, hardware removal with bone grafting in 1, and meniscus repair for a locked knee in 1. The average International Knee Documentation Committee and Lysholm scores were 74.5 ± 22.3 and 79.4 ± 20.2, respectively. High-energy injury and increasing age at revision surgery were the only risk factors found to be associated with significantly worse outcomes (P < .05). CONCLUSIONS Patients with recurrent instability after MLKI reconstruction present with many concomitant pathologies, including limb malalignment, bone tunnel widening, retained hardware, meniscal incompetence, and cartilage defects. Revision MLKI reconstruction can provide these patients with modest functional outcomes when a standardized treatment algorithm is used focusing on identification and treatment of the concomitant pathology, often in a staged manner. LEVEL OF EVIDENCE Level IV, case series.
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Abstract
Background: Patellar height has long been considered a risk factor for patellofemoral instability. However, recent pediatric literature demonstrated a reduction in patellar height measurements following medial patellofemoral ligament (MPFL) reconstruction. Purpose: To assess the mean change in patellar height and the percentage of skeletally mature patients with patellar height ratios reduced to within-normal limits following MPFL reconstruction. Study Design: Case series; Level of evidence, 4. Methods: Adult patients undergoing primary MPFL reconstruction for recurrent lateral patellar instability between 2005 and 2013 were identified. Pre- and postoperative (within 1 year of surgery) lateral knee radiographs were assessed for patellar height indices, including Caton-Deschamps, Blackburne-Peel, and Insall-Salvati ratios. The change in patellar height and the number of patients reduced from abnormal to normal patellar height ratios following MPFL reconstruction were assessed. Results: Overall, 32 adult patients were included in the study, with a mean age of 25.7 years (range, 18-55 years). There were 21 women (66%) and 11 men (34%). Insall-Salvati, Blackburne-Peel, and Caton-Deschamps ratios all demonstrated significant reductions in patellar height between pre- and postoperative lateral knee radiographs (P < .001). All 3 indices showed a reduction in the number of patients meeting the criteria for patella alta following MPFL reconstruction. A total of 64% of patients had an abnormal preoperative Caton-Deschamps ratio reduced to within normal limits postoperatively. Conclusion: MPFL reconstruction provides a consistent reduction in patellar height measurements. The Caton-Deschamps ratio was reduced to the reference range following MPFL reconstruction in 64% of patients with preoperative patella alta. Surgeons treating patellofemoral instability should expect a reduction in patellar height after ligament reconstruction, which may affect the need for more invasive distalization procedures.
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Patellar Tendon Repair With Ipsilateral Semitendinosus Autograft Augmentation. Arthrosc Tech 2017; 6:e2177-e2181. [PMID: 29349015 PMCID: PMC5765631 DOI: 10.1016/j.eats.2017.08.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Accepted: 08/07/2017] [Indexed: 02/06/2023] Open
Abstract
Patellar tendon ruptures are rare but potentially devastating injuries. Acute repair after patellar tendon rupture affords the best opportunity for tension-free restoration of the extensor mechanism. Biological augmentation of primary repair is believed to decrease strain across the repair site and reduce the risk of rerupture. We present a technique for primary patellar tendon repair with bidirectional fixation using transosseous tunnels, suture anchor fixation, and ipsilateral hamstring autograft augmentation in a distal patellar pole socket.
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Medial Closing-Wedge Distal Femoral Osteotomy with Medial Patellofemoral Ligament Imbrication for Genu Valgum with Lateral Patellar Instability. Arthrosc Tech 2017; 6:e2085-e2091. [PMID: 29349001 PMCID: PMC5766318 DOI: 10.1016/j.eats.2017.08.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 08/04/2017] [Indexed: 02/03/2023] Open
Abstract
A varus-producing distal femoral osteotomy (DFO) is an effective technique for the treatment of lateral patellar instability (LPI) in patients with concomitant moderate to severe valgus malalignment. Patellar maltracking and subluxation are corrected via neutralization of some of the laterally directed forces on the patella due to the valgus deformity. This can be accomplished with a distal femoral lateral opening-wedge or medial closing-wedge osteotomy and medial soft tissue stabilization. A medial closing-wedge osteotomy offers the advantages of immediate weight bearing and a single incision in cases requiring patellofemoral soft tissue stabilization. In this article, we describe our preferred operative technique for a medial closing-wedge DFO using a femoral locking plate and medial patellofemoral ligament imbrication for the correction of LPI.
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Viable Osteochondral Allograft for the Treatment of a Full-Thickness Cartilage Defect of the Patella. Arthrosc Tech 2017; 6:e1661-e1665. [PMID: 29399449 PMCID: PMC5793487 DOI: 10.1016/j.eats.2017.06.034] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 06/26/2017] [Indexed: 02/03/2023] Open
Abstract
Isolated cartilage defects can lead to significant pain and disability, prompting the development of a number of options for restorative treatment. Each method has advantages and limitations, and no single technique has gained widespread use. We present a technique for implantation of a cryopreserved osteochondral allograft (Cartiform) for the treatment of full-thickness cartilage defects. Cartiform is a cryopreserved osteochondral allograft composed of chondrocytes, chondrogenic growth factors, and extracellular matrix proteins. This implant allows for regenerative treatment of full-thickness cartilage lesions in a single surgical procedure.
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Horizontal Cleavage Meniscus Tear Treated With All-inside Circumferential Compression Stitches. Arthrosc Tech 2017; 6:e1329-e1333. [PMID: 29354436 PMCID: PMC5622296 DOI: 10.1016/j.eats.2017.05.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 05/20/2017] [Indexed: 02/03/2023] Open
Abstract
Horizontal cleavage meniscus tears are a common orthopedic injury often treated with partial or total meniscectomy versus repair. This Technical Note presents a technique for all-inside repair with uniform compression of the superior and inferior leaflets by placement of multiple circumferential compression stitches using an all-inside self-retrieving suture passing device. The currently described technique provides several advantages for all-inside repair of a horizontal cleavage tear: (1) eliminates the need for a posterior incision, (2) minimizes the risk of neurovascular injury, (3) uses standard arthroscopy portals (or small modifications), and (4) requires only a single suture deployment with a self-retrieving device for each circumferential compression stitch. The resulting circumferential stitch provides uniform compression to the superior and inferior leaflets, promoting meniscal healing. This configuration has been shown to have the highest load to failure of all repair patterns.
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Lateral Meniscus Allograft Transplantation: The Bone Plug Technique. Arthrosc Tech 2017; 6:e1215-e1220. [PMID: 29354420 PMCID: PMC5622462 DOI: 10.1016/j.eats.2017.04.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 04/25/2017] [Indexed: 02/03/2023] Open
Abstract
Lateral meniscus tears are commonly encountered by orthopaedic surgeons. Despite efforts to repair and preserve the meniscus, meniscectomy is occasionally required to treat irreparable tears. The resulting lateral meniscus deficiency leads to increased tibiofemoral contact pressures and ultimately early osteoarthritic changes in the knee. Lateral meniscal allograft transplant (LMAT) has been proposed as a way to restore the lateral meniscus-deficient knee to its native form. Although several techniques for LMAT have been proposed, osseous fixation has demonstrated increased stability, improved outcomes, and improved long-term survival. This article presents a technique for LMAT using bone plugs and standard arthroscopic portals.
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Medial Meniscus Posterior Root Repair Using a Transtibial Technique. Arthrosc Tech 2017; 6:e511-e516. [PMID: 28706793 PMCID: PMC5494976 DOI: 10.1016/j.eats.2016.11.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 11/28/2016] [Indexed: 02/03/2023] Open
Abstract
The meniscal roots are critical in maintaining the normal shock absorbing function of the meniscus. If a meniscal root tear is left untreated, meniscal extrusion can occur rendering the meniscus nonfunctional resulting in degenerative arthritis. Two main repair techniques are described: (1) suture anchors (direct fixation) and (2) sutures pulled through a tibial tunnel (indirect fixation). Meniscal root repair using a suture anchor technique is technically challenging requiring a posterior portal and a curved suture passing device that can be difficult to manipulate within the knee. We present a technique for posterior medial meniscus root repair using 3 sutures (1 leader, 2 cinch), standard arthroscopy portals, and transtibial fixation. Overall, this technique simplifies a challenging procedure and allows for familiarity and efficiency.
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Graft Augmentation Versus Bridging for Large to Massive Rotator Cuff Tears: A Systematic Review. Arthroscopy 2017; 33:673-680. [PMID: 27956233 DOI: 10.1016/j.arthro.2016.08.030] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 08/22/2016] [Accepted: 08/25/2016] [Indexed: 02/02/2023]
Abstract
PURPOSE To systematically review the literature on the healing rates and clinical outcomes of the 2 different graft indications (i.e., augmentation vs bridging) during rotator cuff repair. METHODS A systematic literature review was performed for clinical studies of rotator cuff repair using grafts for large to massive tears. The primary outcome was tendon healing on either magnetic resonance imaging or ultrasound. The secondary outcomes included visual analog scale for pain, American Shoulder and Elbow Surgeons score, and University of California at Los Angeles score, and forward elevation. Studies were divided into augmentation and bridging groups, and outcomes were compared statistically. RESULTS Twelve studies with 13 study groups were included: 167 repairs in the augmentation group and 247 repairs in the bridging group. For augmentation and bridging groups, the mean age was 62.2 and 62.8 years and the mean follow-up was 28.5 and 37.7 months, respectively. The estimated healing rates were 64.0% for augmentation and 77.9% for bridging. Although both procedures had improved clinical outcomes, no statistical difference between groups was detected except lower visual analog scale in the bridging group at follow-up. CONCLUSIONS Bridging grafts had no significant difference in healing or clinical outcomes when compared with a graft used for augmentation. Bridging grafts may be considered for this difficult patient population with large to massive rotator cuff tears. LEVEL OF EVIDENCE Level IV, systematic review of Level II to IV studies.
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Can Grafts Provide Superior Tendon Healing and Clinical Outcomes After Rotator Cuff Repairs?: A Meta-analysis. Orthop J Sports Med 2016; 4:2325967116674191. [PMID: 28203585 PMCID: PMC5298461 DOI: 10.1177/2325967116674191] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Background: Arthroscopic repair of large to massive rotator cuff tears commonly retear. To improve healing rates, a number of different approaches have been utilized, including the use of grafts, which may enhance the biomechanical and biologic aspects of the repair construct. However, the outcomes after the use of grafts are diverse. Purpose: To systematically review the literature for large to massive rotator cuff tears to determine whether the use of grafts generally provides superior tendon healing and clinical outcomes to the repairs without grafts. Study Design: Systematic review; Level of evidence, 3. Methods: A systematic review of the literature was performed. Clinical studies comparing the repairs with (graft group) and without grafts (control group) were included and analyzed. The primary outcome was tendon healing on either magnetic resonance imaging or ultrasound. The secondary outcome measures included visual analog scale for pain, University of California at Los Angles (UCLA) score, and forward elevation range. Differences between groups in all outcome measures were statistically analyzed. Results: Six comparative studies (level of evidence 2 or 3) with 13 study groups were included. A total of 242 repairs in the graft group (mean age, 62.5 ± 4.6 years) and 185 repairs in the control group (mean age, 62.5 ± 5.0 years) were analyzed. The graft types utilized included autograft (fascia lata) in 1 study, allograft (human dermis) in 2 studies, xenograft (bovine pericardium, porcine small intestine submucosa) in 2 studies, synthetic graft (polypropylene) in 1 study, and a combination of autograft (the long head of biceps) and synthetic graft (polypropylene) in 1 study. The overall mean follow-up time was 28.4 ± 9.0 months. When 1 or 2 studies/study groups were excluded due to practical or statistical reasons, the graft group demonstrated significantly improved healing (odds ratio, 2.48; 95% CI, 1.58-3.90; P < .0001) and all clinical outcome measures at final follow-up (P ≤ .02). Conclusion: The use of grafts generally provides superior tendon healing and clinical outcomes compared to repairs without grafts, except for some specific graft types (eg, porcine small intestine submucosa, bovine pericardium). Further investigations are required to determine the benefits of the use of grafts.
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Healing rate and clinical outcomes of xenografts appear to be inferior when compared to other graft material in rotator cuff repair: a meta-analysis. J ISAKOS 2016. [DOI: 10.1136/jisakos-2016-000076] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Knotless anchors with sutures external to the anchor body may be at risk for suture cutting through osteopenic bone. Bone Joint Res 2016; 5:269-75. [PMID: 27357383 PMCID: PMC4957181 DOI: 10.1302/2046-3758.56.2000535] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Accepted: 03/09/2016] [Indexed: 01/02/2023] Open
Abstract
OBJECTIVES This study evaluated the mechanical performance, under low-load cyclic loading, of two different knotless suture anchor designs: sutures completely internal to the anchor body (SpeedScrew) and sutures external to the anchor body and adjacent to bone (MultiFIX P). METHODS Using standard suture loops pulled in-line with the rotator cuff (approximately 60°), anchors were tested in cadaveric bone and foam blocks representing normal to osteopenic bone. Mechanical testing included preloading to 10 N and cyclic loading for 500 cycles from 10 N to 60 N at 60 mm/min. The parameters evaluated were initial displacement, cyclic displacement and number of cycles and load at 3 mm displacement relative to preload. Video recording throughout testing documented the predominant source of suture displacement and the distance of 'suture cutting through bone'. RESULTS In cadaveric bone and foam blocks, MultiFIX P anchors had significantly greater initial displacement, and lower number of cycles and lower load at 3 mm displacement than SpeedScrew anchors. Video analysis revealed 'suture cutting through bone' as the predominant source of suture displacement in cadaveric bone (qualitative) and greater 'suture cutting through bone' comparing MultiFIX P with SpeedScrew anchors in foam blocks (quantitative). The greater suture displacement in MultiFIX P anchors was predominantly from suture cutting through bone, which was enhanced in an osteopenic bone model. CONCLUSIONS Anchors with sutures external to the anchor body are at risk for suture cutting through bone since the suture eyelet is at the distal tip of the implant and the suture directly abrades against the bone edge during cyclic loading. Suture cutting through bone may be a significant source of fixation failure, particularly in osteopenic bone.Cite this article: Y. Ono, J. M. Woodmass, A. A. Nelson, R. S. Boorman, G. M. Thornton, I. K. Y. Lo. Knotless anchors with sutures external to the anchor body may be at risk for suture cutting through osteopenic bone. Bone Joint Res 2016;5:269-275. DOI: 10.1302/2046-3758.56.2000535.
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A systematic review of peroneal nerve palsy and recovery following traumatic knee dislocation. Knee Surg Sports Traumatol Arthrosc 2015; 23:2992-3002. [PMID: 26115847 DOI: 10.1007/s00167-015-3676-7] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Accepted: 06/09/2015] [Indexed: 11/25/2022]
Abstract
PURPOSE A common peroneal nerve (CPN) palsy has been reported to complicate knee dislocations in 5-40 % of patients. Patients who suffer from a persistent foot drop have significantly worse functional outcomes. Reports on prognostic factors for nerve recovery or treatment-specific functional outcomes remain sparse in the literature. METHODS Two independent reviewers completed a search of Medline, Embase, PubMed and the Cochrane Library from 1946 to present. Motor strength was determined using the Medical Research Council (MRC) grading system or an equivalent description. A functional recovery was defined as an MRC ≥3/5. RESULTS The combined search of Medline, Embase, PubMed and the Cochrane Library identified 1528 abstracts. Thirteen articles met our inclusion/exclusion criteria. This included 214 CPN palsies. Functional recovery (MRC ≥3/5) following complete CPN palsy was 38.4 %. Full recovery (MRC = 5/5) following partial CPN palsy was 87.3 %. Younger age was predictive of neurologic recovery. Recovery following isolated neurologic interventions ranged from 0 to 30 %. CONCLUSIONS A vastly different prognosis can be expected for patients who suffer an incomplete versus a complete CPN palsy. The majority of patients with an incomplete palsy will achieve a full motor recovery while <40 % of patients with a complete motor palsy will regain the ability to dorsiflex at the ankle. While neurologic interventions show promise for the future, the outcomes in knee dislocation patients remain poor. The most predictable means of reestablishing antigravity dorsiflexion in a persistent CPN palsy is a posterior tibial tendon transfer.
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Suture locking of isolated internal locking knotless suture anchors is not affected by bone quality. Open Access J Sports Med 2015; 6:201-8. [PMID: 26124683 PMCID: PMC4482379 DOI: 10.2147/oajsm.s81096] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Purpose The purpose of this study was to evaluate the mechanical performance of different suture locking mechanisms including: i) interference fit between the anchor and the bone (eg, 4.5 mm PushLock, 5.5 mm SwiveLock), ii) internal locking mechanism within the anchor itself (eg, 5.5 mm SpeedScrew), or iii) a combination of interference fit and internal locking (eg, 4.5 mm MultiFIX P, 5.5 mm MultiFIX S). Methods Anchors were tested in foam blocks representing normal (20/8 foam) or osteopenic (8/8 foam) bone, using standard suture loops pulled in-line with the anchor to isolate suture locking. Mechanical testing included cyclic testing for 500 cycles from 10 N to 60 N at 60 mm/min, followed by failure testing at 60 mm/min. Displacement after 500 cycles at 60 N, number of cycles at 3 mm displacement, load at 3 mm displacement, and maximum load were evaluated. Results Comparing 8/8 foam to 20/8 foam, load at 3 mm displacement and maximum load were significantly decreased (P<0.05) with decreased bone quality for anchors that, even in part, relied on an interference fit suture locking mechanism (ie, 4.5 mm PushLock, 5.5 mm SwiveLock, 4.5 mm MultiFIX P, 5.5 mm MultiFIX S). Bone quality did not affect the mechanical performance of 5.5 mm SpeedScrew anchors which have an isolated internal locking mechanism. Conclusion The mechanical performance of anchors that relied, even in part, on interference fit were affected by bone quality. Isolated internal locking knotless suture anchors functioned independently of bone quality. Anchors with a combined type (interference fit and internal locking) suture locking mechanism demonstrated similar mechanical performance to isolated internal locking anchors in osteopenic foam comparing similar sized anchors. Clinical relevance In osteopenic bone, knotless suture anchors that have an internal locking mechanism (isolated or combined type) may be advantageous for secure tendon fixation to bone.
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Abstract
Partial thickness rotator cuff tears are a common cause of pain in the adult shoulder. Despite their high prevalence, the diagnosis and treatment of partial thickness rotator cuff tears remains controversial. While recent studies have helped to elucidate the anatomy and natural history of disease progression, the optimal treatment, both nonoperative and operative, is unclear. Although the advent of arthroscopy has improved the accuracy of the diagnosis of partial thickness rotator cuff tears, the number of surgical techniques used to repair these tears has also increased. While multiple repair techniques have been described, there is currently no significant clinical evidence supporting more complex surgical techniques over standard rotator cuff repair. Further research is required to determine the clinical indications for surgical and nonsurgical management, when formal rotator cuff repair is specifically indicated and when biologic adjunctive therapy may be utilized.
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Complications following arthroscopic fixation of acromioclavicular separations: a systematic review of the literature. Open Access J Sports Med 2015; 6:97-107. [PMID: 25914562 PMCID: PMC4401206 DOI: 10.2147/oajsm.s73211] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Purpose Over the past decade, a number of arthroscopic or arthroscopically assisted reconstruction techniques have emerged for the management of acromioclavicular (AC) separations. These techniques provide the advantage of superior visualization of the base of the coracoid, less soft tissue dissection, and smaller incisions. While these techniques have been reported to provide excellent functional results with minimal complications, discrepancies exist within the literature. This systematic review aims to assess the rate of complications following these procedures. Methods Two independent reviewers completed a search of Medline, Embase, PubMed, and the Cochrane Library entries up to December 2013. The terms “Acromioclavicular Joint (MeSH)” OR “acromioclavicular* (text)” OR “coracoclavicular* (text)” AND “Arthroscopy (MeSH)” OR “Arthroscop* (text)” were used. Pooled estimates and 95% confidence intervals were calculated assuming a random-effects model. Statistical heterogeneity was quantified using the I2 statistic. Level of evidence IV Results A total of 972 abstracts met the search criteria. After removal of duplicates and assessment of inclusion/exclusion criteria, 12 articles were selected for data extraction. The rate of superficial infection was 3.8% and residual shoulder/AC pain or hardware irritation occurred at a rate of 26.7%. The rate of coracoid/clavicle fracture was 5.3% and occurred most commonly with techniques utilizing bony tunnels. Loss of AC joint reduction occurred in 26.8% of patients. Conclusion Arthroscopic AC reconstruction techniques carry a distinct complication profile. The TightRope/Endobutton techniques, when performed acutely, provide good radiographic outcomes at the expense of hardware irritation. In contrast, graft reconstructions in patients with chronic AC separations demonstrated a high risk for loss of reduction. Fractures of the coracoid/clavicle remain a significant complication occurring predominately with techniques utilizing bony tunnels.
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