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Great tuberosity fixation does not affect healing and clinical outcomes in RSA performed in proximal humeral fractures in elderly patients. Musculoskelet Surg 2024; 108:107-114. [PMID: 38175393 DOI: 10.1007/s12306-023-00807-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 12/05/2023] [Indexed: 01/05/2024]
Abstract
PURPOSE Aims of our study were to define whether the great tuberosity (GT) positioning fixation in reverse shoulder arthroplasty (RSA) after proximal humeral fracture (PHF) could predict tuberosity healing and its impact on clinical outcomes. METHODS We enrolled 59 patients treated with cementless reverse shoulder arthroplasty after PHF in our institute between 2012 and 2018. The mean follow-up was 57 months (± 23.4). We divided patients into two groups according to GT positioning after fixation: Group 1 GT in contact and Group 2 GT detached at least 1 mm from humeral diaphysis. Clinical and radiographic evaluations were conducted at last follow-up. RESULTS Overall GT healing rate was 64.4%, (Group 1 70.7%-Group 2 50%). A statistically significant difference (P = 0.047) was found in cortical thickness narrowing at one-third of stem length. We found a correlation between lateral cortical narrowing and GT fixation in non-anatomical position, but we observed no statistically significant differences about GT healing according to GT anatomical or non-anatomical fixation. No differences were found in shoulder function in patients whose tuberosity was healed or failed to heal. CONCLUSION GT reduction is not a predictive factor for GT healing; external stress shielding, instead, seems to be decreased in patients with postoperative anatomically reduced GT. In our study, GT healing did not affect clinical outcomes or patient's satisfaction in elderly low-demanding patients.
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A Rare Combined Injury in Children during Side Impact: The Possible Mechanism and Treatment Results. Orthop Surg 2024; 16:357-362. [PMID: 38111013 PMCID: PMC10834184 DOI: 10.1111/os.13958] [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: 07/08/2023] [Revised: 10/13/2023] [Accepted: 10/24/2023] [Indexed: 12/20/2023] Open
Abstract
OBJECTIVE Proximal humeral fracture combined with contralateral midshaft clavicle fracture is an extremely rare injury in children. Few studies focus on the injury mechanism and treatment scheme. The aim of this study is to propose the possible mechanism of this injury and present the treatment results. METHODS This retrospective study included children diagnosed with proximal humeral fractures combined with contralateral midshaft clavicle fractures from August 2016 to March 2019 in the corresponding author's institution. The patients received elastic stable intramedullary nails and external fixation as treatment. The radiological and clinical outcomes of treatments were evaluated using the imaging and the Constant-Murley score (CMS) in follow up. RESULTS Twelve patients (eight males and four females) with an average age of 7.83 years old (age 5-12) were included in this research. All the patients had suffered a side impact in a road traffic accident or outdoor environment. Hypothesis about the mechanism was the proximal humerus was directly impacted at first and caused the surgical neck fracture, then the contralateral shoulder hits the solid object and the contralateral midshaft clavicle was fractured. During the average 45.2 months (range 36-57) follow-up, all the patient's fractures achieved clinical and radiological union before 14 weeks without complications. Every patient had a satisfactory score (range from 92 to 100) on the CMS criteria for both shoulders. CONCLUSION The hypothesis about the mechanism of this combined injury in this study sounds reasonable. It highlights the need for safety-related education about using a safety seat or wearing a seat belt to parents and caregivers, so as to avoid such injury even if the treatment with external fixation (EF) and proximal humeral and elastic stable intramedullary nailing (ESIN) showed good results.
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Risk factors for osteonecrosis of the humeral head after internal fixation of proximal humeral fractures: a systematic review and meta-analysis. Arch Orthop Trauma Surg 2024; 144:31-40. [PMID: 37566131 DOI: 10.1007/s00402-023-05020-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 07/26/2023] [Indexed: 08/12/2023]
Abstract
BACKGROUND Osteonecrosis of the humeral head (ONHH) is a severe complication after the internal fixation of proximal humeral fractures (IFPHF). The risk factors remain controversial though many studies have reported. In this research, meta-analysis was used to evaluate which surgeon-level factors can be modified to lower the risk and we hope to provide evidence-based support for preventing ONHH. METHODS Literature was retrieved from PubMed, Cochrane Library, Embase, Web of Science, and Scopus for eligible studies published up to January 2023. The pooled odds ratios (ORs) were calculated with their corresponding 95% confidence intervals (CIs) to evaluate. STATA 15.1 software was applied for data synthesis, sensitivity synthesis, and publication bias. RESULTS 45 articles were published between 2000 and 2022, and 2482 patients were finally included. All articles were observational research, with 7 case-control studies and 38 cohort studies, and the Newcastle Ottawa Scale (NOS) score ranged from 7 to 9. The pooled results suggested that age (OR 0.32, 95% CI 0.14-0.74, P = 0.01), reduction quality (OR 0.08, 95% CI 0.01-0.44, P = 0.00), fracture type (OR 0.44, 95% CI 0.25-0.78, P = 0.01), surgical approach (OR: 4.06, 95% CI 1.21-13.61, P = 0.02) and fixation implant (OR = 0.68, 95% CI = 0.34-1.33, P = 0.02) were risk factors for ONHH after IFPHF. According to sensitivity analysis, Begg (P = 0.42) and Egger (P = 0.68) tests, the results were stable and exhibited no publication bias. CONCLUSIONS The study showed that age, reduction quality, fracture type, surgical approach and fixation implant were risk factors for ONHH after IFPHF, while gender, varus or valgus, timely operation, injured side, and the existence of medial support have little influence on ONHH, as they could not be considered risk factors and still need further investigations.
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Endosteal strut using a hydroxyapatite/poly-L-lactide mesh tube with a proximal humeral locking plate for the treatment of proximal humeral fractures. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY & TRAUMATOLOGY : ORTHOPEDIE TRAUMATOLOGIE 2024; 34:217-223. [PMID: 37421450 DOI: 10.1007/s00590-023-03638-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 06/25/2023] [Indexed: 07/10/2023]
Abstract
PURPOSE Proximal humeral fractures cause large intramedullary bone defects after humeral-head reduction. Hydroxyapatite/poly-L-lactide (HA/PLLA) materials are widely used for various fractures. However, the efficacy of endosteal strut using a HA/PLLA mesh tube (ES-HA/PLLA) with a locking plate for treating proximal humeral fractures was not reported. The purpose of this study is to examine the efficacy of ES-HA/PLLA with a proximal humeral locking plate in proximal humeral fractures. METHODS Seventeen patients with proximal humeral fractures treated using ES-HA/PLLA with a locking plate from November 2017 to November 2021 were evaluated. The range of motion of the shoulder and postoperative complications were assessed at the final follow-up. Radiographs were evaluated to assess bone union and loss of reduction by measuring humeral-head height (HHH) and humeral neck-shaft angle (NSA). RESULTS The average flexion and external rotation of the shoulder at the final follow-up were 137° (range, 90-180°) and 39° (range, - 10 to 60°), respectively. All fractures were united. The average HHH and NSA just after the surgery and final follow-up were 12.5 mm and 11.6 mm and 129.9° and 127.4°, respectively. Two patients presented screw perforation of the humeral head. One patient underwent implant removal due to infection. Avascular necrosis of the humeral head was observed in one patient with arthritis mutilans. CONCLUSIONS The use of ES-HA/PLLA with a proximal humeral locking plate resulted in bone union in all patients and prevented postoperative loss of reduction. ES-HA/PLLA is one of the treatment options for proximal humeral fractures.
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[One-year outcomes after proximal humeral fractures : A risk-adjusted regression analysis of routine data based on 17,322 cases]. CHIRURGIE (HEIDELBERG, GERMANY) 2023; 94:870-876. [PMID: 37608117 DOI: 10.1007/s00104-023-01942-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/18/2023] [Indexed: 08/24/2023]
Abstract
BACKGROUND Proximal humeral fractures (PHF) are the third most common fracture in geriatric traumatology. No standard evidence-based treatment has been established so far. The epidemiology and economic burden highlight the importance of a targeted treatment strategy. OBJECTIVE Epidemiology of PHF and analysis of the influence of preoperative length of stay, comorbidities and quality of patient life. Additionally, a comparison to the more frequently studied proximal femoral fractures. MATERIAL AND METHODS A routine data analysis of 17,322 cases admitted for inpatient treatment with an observational period of 1 year was performed following an established model. Descriptive statistics included comorbidities, treatment procedures and mortality. Analytical statistics using logistic regression with the primary endpoints of early revision, mortality and decubitus within 1 year. RESULTS In the investigated PHFs there was a mortality of 13% within 1 year, which is increased three-fold in patients with comorbidities such as cancer. There was an increase of 57% in patients who first received a care level following PHF. A preoperative care level in general significantly decreased survival. The most frequently used surgical procedure was fixation via stable-angle plate (used in 43%). The preoperative length of stay did not impact survival. DISCUSSION Intrinsic factors such as preoperative comorbidities are crucial for the mortality after PHF. The PHF affects patients' lives less than proximal femoral fractures. With comparable comorbidity profiles, possible reasons are the lower levels of immobilization and less dependency on care before the fracture in comparison to proximal femoral fractures.
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Allografts are not necessary for displaced proximal humeral fractures in patients less than 65 years old, a retrospective cohort study. Injury 2023; 54:110861. [PMID: 37296014 DOI: 10.1016/j.injury.2023.110861] [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: 04/25/2023] [Revised: 05/23/2023] [Accepted: 06/01/2023] [Indexed: 06/12/2023]
Abstract
INTRODUCTION Displaced proximal humeral fractures (PHF) are frequently treated with locking plates to achieve osteosynthesis. Bone grafts are used as augmentation techniques to improve stability in osteoporotic patients. However, there has been little research into whether bone grafts are necessary for patients younger than 65 years old. This study compared radiographic and clinical outcomes between PHFs augmented with bone grafts or not in a younger population. METHODS Between January 2016 and June 2020, 91 patients treated with a locking plate alone (LP), and 101 patients treated with locking plates augmented with bone grafts (BG) were analyzed. Potential confounding factors for outcomes were adjusted by propensity score-matching analyses. For the retrospective cohort study, 62 patients from each group were evaluated for radiographic outcomes and clinical outcomes and compared. RESULTS Sixth-two patients in each group, both with a mean age of 52 years old, were with a mean follow-up time of 25 months in the LP group and 26 months in the BG group. There was no difference in demographic or surgical characteristics between the two groups after propensity score-matching. With regard to radiographic outcomes, the changes in neck-shaft angle (-5.1 ± 4.9 vs. -3.1 ± 5.3, p = 0.015) and humeral head height (-1.5 ± 2.5 vs. -0.4 ± 2.7, p = 0.002) were more obvious in the BG group. However, regarding functional outcomes, there were no significant differences between the two groups in DASH score, Constant-Murley score, or VAS score. Moreover, the complication rate was not significantly different between two groups. DISCUSSION Allografts only provide minor improvements of stability in radiography for patients less than 65 years old after locking plate fixation of PHFs, but don't improve shoulder function, relieve pain or reduce complications. We concluded that allografts are unnecessary for younger patients with displaced PHFs.
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Effect of the Initial Deformity in the Coronal Plane on Postoperative Outcome of Proximal Humeral Fractures. Orthop Surg 2023; 15:2074-2081. [PMID: 37199014 PMCID: PMC10432434 DOI: 10.1111/os.13690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 01/24/2023] [Accepted: 02/08/2023] [Indexed: 05/19/2023] Open
Abstract
OBJECTIVE There is currently no consensus on proximal humerus fractures with an initial deformity in the coronal plane who are better off with plates or nails, so we designed this study. To compare the effect of the initial deformity in the coronal plane of proximal humerus fractures on postoperative outcomes, we compare the maintenance of reduction in procedures utilizing plates and nails, and analyzed the subsequent occurrence of complications to explore whether the initial deformity should dictate the fixation approach. METHODS The clinical data of patients with proximal humerus fractures who were hospitalized and underwent surgical treatment in our hospital from January 2016 to December 2020 were reviewed. Postoperative functional scores (American Shoulder and Elbow Surgeons, ASES; Constant-Murley Score, CMS), Neck-shaft angle (NSA), Quality of fracture reduction, Deltoid Tuberosity Index (DTI), and complications were compared among cases with initial varus, normal, or valgus deformities. RESULTS We included 131 patients, 56 males and 75 females, with a mean age of 60.89 ± 5.53 years (range 50-76) and a mean follow-up duration of 16.63 ± 6.78 months (range 12-48). Of these, 29 cases had initial varus displacement, 71 had a normal NSA, and 31 had initial valgus displacement. Seventy-five were treated with a locking plate and 56 with a nail. After open reduction and internal fixation, the NSA was restored to normal (-135°) in all patients in all groups (P > 0.05). There was a significant difference in NSA changes at the last follow-up; 2.93° ± 2.12° in the varus group, 1.77° ± 1.18° in the normal group, and 2.32° ± 1.64° in the valgus group, with the highest change occurring in the varus group. There was no significant difference in the range of motion or functional scores including ASES and CMS among the three groups (P > 0.05). The complication rate of 20.7% in the varus group was significantly higher than the complication rates of 12.7% in the normal and 12.9% in the valgus groups (P < 0.05). CONCLUSIONS While proximal humerus fractures with initial coronal displacement (varus, normal, and valgus) show similar postoperative functional outcomes, varus fractures have a higher rate of complications. The nail provides better maintenance of reduction than the locking plate, especially in varus fractures.
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Nonanatomic healing of the greater tuberosity after plating in proximal humeral fractures: a case control study. J Orthop Surg Res 2023; 18:374. [PMID: 37208767 DOI: 10.1186/s13018-023-03811-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Accepted: 04/23/2023] [Indexed: 05/21/2023] Open
Abstract
BACKGROUND Open reduction and plate internal fixation (ORIF) is one of the most common treatment methods for proximal humeral fractures. Complications associated with the greater tuberosity (GT) are rarely reported, therefore, the purpose of this study was to analyze the complications associated with the GT and the risk factors after locked-plate internal fixation. METHODS We retrospectively analyzed the medical and radiographic data of patients with proximal humeral fractures involving the GT treated with locking plates between January 2016 and July 2019. We divided all patients into two groups, the anatomic GT healing group and the nonanatomic GT healing group, depending on the radiographic outcomes of the GT. Clinical outcome was assessed by the Constant scoring system. Potential risk factors included preoperative and intraoperative factors. Preoperative factors included sex, age, body mass index, fracture type, fracture-dislocation, proximal humeral bone mineral density, humeral head extension, hinge integrity, comminuted GT, volume and surface area of the main GT fragment, and displacement of the main GT fragment. Intraoperative factors were adequate medial support, residual head-shaft displacement, head-shaft angle and residual GT displacement. Univariate logistic regression and multivariate logistic regression were used to identify risk factors. RESULTS There were 207 patients (130 women and 77 men; mean age, 55 years). GT anatomic healing was observed in 139 (67.1%) patients and nonanatomic healing in 68 (32.9%). Patients with GT nonanatomic healing had significantly inferior Constant scores than those with GT anatomic healing (75.0 ± 13.9 vs. 83.9 ± 11.8, P < 0.001). Patients with high GT malposition had worse Constant scores than patients with low GT malposition (73.3 ± 12.7 vs. 81.1 ± 11.4, P = 0.039). The multivariate logistic model showed that GT fracture characteristics were not risk factors for nonanatomic GT healing, while residual GT displacement was. CONCLUSIONS Nonanatomic healing of the GT is a high-rate complication of proximal humeral fractures, resulting in inferior clinical outcomes, especially for high GT malposition. Fracture characteristics of the GT are not risk factors for GT nonanatomic healing and GT comminution should not be regarded as a contraindication to ORIF for proximal humeral fractures.
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Influence of preoperative simulation on the reduction quality and clinical outcomes of open reduction and internal fixation for complex proximal humerus fractures. BMC Musculoskelet Disord 2023; 24:243. [PMID: 36997961 PMCID: PMC10061994 DOI: 10.1186/s12891-023-06348-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 03/20/2023] [Indexed: 04/01/2023] Open
Abstract
PURPOSE Proximal humerus fractures (PHFs) are common. With the development of locking plates, open reduction and internal fixation (ORIF) of the proximal humerus can provide excellent clinical outcomes. The quality of fracture reduction is crucial in the locking plate fixation of proximal humeral fractures. The purpose of this study was to determine the impact of 3-dimensional (3D) printing technology and computer virtual technology assisted preoperative simulation on the reduction quality and clinical outcomes of 3-part and 4-part proximal humeral fractures. METHOD A retrospective comparative analysis of 3-part and 4-part PHFs undergoing open reduction internal fixation was performed. Patients were divided into 2 groups according to whether computer virtual technology and 3D printed technology were used for preoperative simulation: the simulation group and the conventional group. Operative time, intraoperative bleeding, hospital stay, quality of fracture reduction, Constant scores, American Society for Shoulder and Elbow Surgery (ASES) scores, shoulder range of motion, complications, and revision surgeries were assessed. RESULTS This study included 67 patients (58.3%) in the conventional group and 48 patients (41.7%) in the simulation group. The patient demographics and fracture characteristics were comparable in these groups. Compared with the conventional group, the simulation group had shorter operation time and less intraoperative bleeding (P < 0.001, both). Immediate postoperative assessment of fracture reduction showed a higher incidence of greater tuberosity cranialization of < 5 mm, neck-shaft angle of 120° to 150°, and head shaft displacement of < 5 mm in the simulation group. The incidence of good reduction was 2.6 times higher in the simulation group than in the conventional group (95% CI, 1.2-5.8). At the final follow-up, the chance of forward flexion > 120° (OR 5.8, 95% CI 1.8-18.0) and mean constant score of > 65 (OR 3.4, 95% CI 1.5-7.4) was higher in the simulation group than the conventional group, as well as a lower incidence of complications in the simulation group was obtained (OR 0.2, 95% CI 0.1-0.6). CONCLUSIONS This study identified that preoperative simulation assisted by computer virtual technology and 3D printed technology can improve reduction quality and clinical outcomes in treatment of 3-part and 4-part PHFs.
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[Clinical outcomes of reverse shoulder arthroplasty for the treatment of failed fixation of proximal humeral fracrtures in the elderly patients]. ZHONGGUO GU SHANG = CHINA JOURNAL OF ORTHOPAEDICS AND TRAUMATOLOGY 2023; 36:110-5. [PMID: 36825408 DOI: 10.12200/j.issn.1003-0034.2023.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
OBJECTIVE To evaluate the clinical outcomes of reverse total shoulder arthroplasty as a revision procedure for the failed fixation of proximal humeral fractures in the elderly patients. METHODS A retrospective analysis was performed on 8 patients with failed internal fixation of proximal humeral fractures from May 2014 to March 2020, including 3 males and 5 females, aged from 65 to 75 years old. All 8 patients underwent reverse total shoulder arthroplasty, and the mean time between initial fixation and reverse total shoulder arthroplasty ranged from 8 to 16 months. Range of motion(ROM), University of California at Los Angeles(UCLA) shoulder score, visual analogue scale (VAS), self-rating anxiety scale(SAS), and Constant-Murley score of shoulder function were assessed pre-operatively and at the last follow-up. Complications relating to the surgery were recorded. RESULTS All 8 patients successfully followed up. The mean follow-up after reverse total shoulder arhroplasty ranged from 16 to 28 months. The range of motion (forward flexion, external rotation, abduction and internal rotation) of the affected shoulder was significantly improved after surgery, and the post-operative VAS, SAS and UCLA scores were also significantly improved. For the Constant-Murley score of shoulder joint function, the total scores and the subscores of pain, daily activities, range of motion and strength test at the last follow-up were all significantly improved. Scapular glenoid notch was observed in patient, which was evaluated as grade 1 on imaging. All the other patients did not develop specific or non-specific complications. CONCLUSION Reverse total shoulder arhroplasty is an appropriate treatment as a revision surgery for failed fixation of proximal humeral fractures. It has shown satisfactory clinical outcomes, accelerating the rehabilitation of shoulder function and improving the quality of life.
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[Treatment of four-part proximal humerus fractures with depressed humeral head collapse using strut allograft with locking plates]. ZHONGGUO GU SHANG = CHINA JOURNAL OF ORTHOPAEDICS AND TRAUMATOLOGY 2023; 36:116-9. [PMID: 36825409 DOI: 10.12200/j.issn.1003-0034.2023.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
OBJECTIVE To evaluate the clinical outcomes of allogeneic femoral head as strut allograft combined with proximal humeral internal locking system (PHILOS) in the treatment of proximal humeral Neer grade Ⅳ fracture with humeral head collapse. METHODS From January 2018 to November 2020, 18 patients with Neer grade Ⅳ fracture with humeral head collapse were treated with strut allograft with PHILOS, including 4 males and 14 females, aged from 55 to 78 years old, with an average of (68.11±7.20) years old. The operation time, intraoperative bleeding, postoperative drainage volume, fracture healing time, neck-shaft angle and the height of the humeral head, failure of internal fixation the shoulder function at the last follow-up was assessed using Neer's scoring system. RESULTS All 18 patients were followed up, and the duration ranged from 10 to 12 months, with an average of (11.08±0.65) months. The operation time was (66.44±5.06) min, the intraoperative bleeding volume was (206.67±36.14) ml, the postoperative drainage volume was (76.11±9.63) ml, and the fracture healing time was (17.28±3.92) weeks. At the last follow-up, the degree of loss of neck-shaft angle was (5.44±0.86) ° and the loss of the height of humeral head was (1.43±0.27) mm. All 18 patients had healing without complications such as fracture, withdrawal, penetration of internal fixation and necrosis of humeral head. According to Neer's evaluation standard, the total score was (89.61±5.60), 10 cases got an excellent result, 6 good, 2 fair. CONCLUSION Allogeneic femoral head combined with PHILOS is an appropriate treatment for the four-part proximal humerus fractures with humeral head collapse, exhibiting good clinic outcome.
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A Comparison of Complications and Survivorship after Reverse Total Shoulder Arthroplasty for Proximal Humerus Fracture compared with Cuff Tear Arthropathy. THE ARCHIVES OF BONE AND JOINT SURGERY 2023; 11:166-172. [PMID: 37168589 PMCID: PMC10165211 DOI: 10.22038/abjs.2022.62599.3045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 08/27/2022] [Indexed: 05/13/2023]
Abstract
Objectives Traditionally used to treat rotator cuff tear arthropathy (CTA), reverse total shoulder arthroplasty (RTSA) is becoming increasingly utilized for the treatment of proximal humeral fractures (PHF). The purpose of this study was to use a matched cohort analysis to assess differences in 90-day complications as well as 2-year and 5-year implant survival between patients undergoing RTSA for CTA and patients undergoing RTSA for PHF. Methods Patients with at least a 5-year follow-up who underwent primary RTSA for either PHF or CTA were identified in a national database (PearlDiver Technologies) using current procedural terminology (CPT) and international classification of diseases (ICD) 9 and 10 codes. Patients with a surgical indication of PHF were matched with patients with a surgical indication of CTA based on age, sex, Charlson Comorbidity Index, smoking status, and obesity (body mass index (BMI)>30). All-cause revision at the 2-year and 5-year postoperative time intervals were assessed. Reimbursements for the surgical care episode up to the 30-day, 90-day, and 1-year postoperative intervals were also assessed. Bivariate analysis was performed with a significance set at P<0.05. Results In total, 802 PHF patients were matched with 802 CTA patients. Compared to CTA patients, PHF patients undergoing RTSA were significantly at increased risk of atrial fibrillation, anemia, and heart failure within 90 days of surgery. Notably, there was no significant difference in all-cause revision surgery at 2-year and 5-year postoperative intervals or hospital reimbursements at the 30-day, 90-day, and 1-year postoperative intervals. Conclusion Preoperative indication appears to be an important driver of healthcare utilization for RTSA, as PHF patients undergoing RTSA have a higher risk of short-term postoperative complications compared to CTA patients. However, there is no difference in hospital reimbursement for the two indications of RTSA, suggesting that current payment modalities may not appropriately adjust for risk based on the surgical indication.
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How to improve the biomechanical stability of endosteal augmentation for proximal humerus fracture with osteopenia? A cadaveric study. Clin Biomech (Bristol, Avon) 2023; 101:105850. [PMID: 36493692 DOI: 10.1016/j.clinbiomech.2022.105850] [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: 07/12/2022] [Revised: 11/22/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022]
Abstract
BACKGROUND Endosteal augmentation enhances the stability of osteoporotic proximal humeral fracture fixation, but the optimal configuration is unknown. The purpose of this study was to compare the biomechanical properties of different lengths of fibula with or without calcar screw in osteoporotic proximal humeral fracture. METHODS Three-part proximal humeral fractures with osteopenia were created on 20 pairs of fresh-frozen humeri specimens and allocated to four groups: (1) locking plate with a 6-cm fibular strut allograft, (2) locking plate with a 6-cm fibular strut allograft and additional calcar screws, (3) locking plate with a 12-cm fibular strut allograft,and (4) locking plate with a 12-cm fibular strut allograft and additional calcar screws. Specimens were loaded to simulate the force at 25° abduction. Thereafter, an axial stiffness test and a compound cyclic load to failure test were applied. Structural stiffness, number of cycles loaded to failure and relative displacement values for 5000 cycles at predetermined measurement points were recorded using a testing machine and a synchronized 3D video tracking system. FINDINGS In terms of initial stiffness, number of cycles loaded to failure, and relative displacement values, the groups with 12-cm fibular strut showed obvious improvement compared to the groups with 6-cm fibular strut irrespective of the influence of calcar screw implementation. Further, the groups implemented with calcar screws also showed promising biomechanical stability irrespective of fibular length. INTERPRETATION Lateral locking plate with longer endosteal fibular augmentation and calcar screw can significantly improve biomechanical stability for elderly proximal humeral fractures with posteromedial comminution.
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Focus on stability: biomechanical evaluation of external fixation technique versus locking plate osteosynthesis in 3-part proximal humeral fractures. J Shoulder Elbow Surg 2022; 31:1666-1673. [PMID: 35247574 DOI: 10.1016/j.jse.2022.01.144] [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: 10/29/2021] [Revised: 01/21/2022] [Accepted: 01/23/2022] [Indexed: 02/01/2023]
Abstract
BACKGROUND The purpose of this study was to investigate the primary stability and displacement tendencies of an external fixation system in 2 different configurations in comparison to locking plate fixation in a 3-part proximal humeral fracture model. METHODS Twenty-one fresh-frozen human cadaveric proximal humeral specimens were divided into 3 groups of 7 stripped specimens. An unstable 3-part fracture of the proximal humerus was set. Construct A consisted of the Galaxy Fixation Shoulder System, with fixation in accordance with the manufacturer's recommended technique (3 pairs of threaded wires). Construct B was fixed with an additional pair of threaded wires according to the recommendations of Gumina et al (4 pairs of threaded wires). The remaining 7 specimens were fixed with a locking plate. By use of an optical motion capture system, relative motion at the fracture site and failure load were evaluated during a cyclic loading protocol. RESULTS Plate osteosynthesis showed the highest cyclic load to failure (895 ± 239 N; range, 597-1135 N), followed by construct B (692 ± 121 N; range, 432-788 N) and construct A (350 ± 190 N; range, 139-615 N). Statistically significant differences were found between plating and construct A (P < .001), between plating and construct B (P = .031), and between construct B and construct A (P = .013). Relative motion at the fracture site, in terms of change in distance during cyclic loading, was lowest with construct B measured at the peak load of 395 N after 11 steps (1.73 ± 1.98 mm; range, 0.53-5.96 mm) and highest with construct A (8.46 ± 10.67 mm; range, 2.26-20.79 mm). Angular change measured at the peak load after 11 steps was lowest with construct B (1.19° ± 0.36°; range, 0.59°-1.7°) and highest with construct A (2.44° ± 1.63°; range, 0.77°-4.04°). Statistically significant differences were found between construct A and construct B and between construct A and plating at various steps of cyclic loading. CONCLUSION In this biomechanical study of unstable 3-part proximal humeral fractures, locking plate osteosynthesis demonstrated the highest possible load application. External fixator application with 8 threaded wires (construct B) revealed the least relative motion at the fracture site, without a statistically significant difference compared with locking plates. It therefore represents another valid technique for treatment regarding primary stability. The use of external fixator application with 6 threaded wires (construct A) resulted in the lowest stability and the highest rates of displacement.
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What are the health consequences associated with differences in medical malpractice liability laws? An instrumental variable analysis of surgery effects on health outcomes for proximal humeral facture across states with different liability rules. BMC Health Serv Res 2022; 22:590. [PMID: 35505315 PMCID: PMC9063084 DOI: 10.1186/s12913-022-07839-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 03/24/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND States enacted tort reforms to lower medical malpractice liability, which are associated with higher surgery rates among Medicare patients with shoulder conditions. Surgery in this group often entails tradeoffs between improved health and increased risk of morbidity and mortality. We assessed whether differences in surgery rates across states with different liability rules are associated with surgical outcomes among Medicare patients with proximal humeral fracture. METHODS We obtained data for 67,966 Medicare beneficiaries with a diagnosis of proximal humeral fracture in 2011. Outcome measures included adverse events, mortality, and treatment success rates, defined as surviving the treatment period with < $300 in shoulder-related expenditures. We used existing state-level tort reform rules as instruments for surgical treatment and separately as predictors to answer our research question, both for the full cohort and for stratified subgroups based on age and general health status measured by Charlson Comorbidity Index and Function-Related Indicators. RESULTS We found a 0.32 percentage-point increase (p < 0.05) in treatment success and a 0.21 percentage-point increase (p < 0.01) in mortality for every 1 percentage-point increase in surgery rates among patients in states with lower liability risk. In subgroup analyses, mortality increased among more vulnerable patients, by 0.29 percentage-point (p < 0.01) for patients with Charlson Comorbidity Index > = 2 and by 0.45 percentage-point (p < 0.01) among those patients with Function-Related Indicator scores > = 2. On the other hand, treatment success increased in patients with lower Function-Related Index scores (< 2) by 0.54 percentage-point (p < 0.001). However, younger Medicare patients (< 80 years) experienced an increase in both mortality (0.28 percentage-point, p < 0.01) and treatment success (0.89 percentage-point, p < 0.01). The reduced-form estimates are consistent with our instrumental variable results. CONCLUSIONS A tradeoff exists between increased mortality risk and increased treatment success across states with different malpractice risk levels. These results varied across patient subgroups, with more vulnerable patients generally bearing the brunt of the increased mortality and less vulnerable patients enjoying increased success rates. These findings highlight the important risk-reward scenario associated with different liability environments, especially among patients with different health status.
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Outcomes of Reverse Total Shoulder Arthroplasties Performed for Proximal Humeral Fractures Versus Elective Etiologies. Indian J Orthop 2022; 56:1066-1072. [PMID: 35669022 PMCID: PMC9123117 DOI: 10.1007/s43465-022-00625-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 03/07/2022] [Indexed: 02/04/2023]
Abstract
BACKGROUND Reverse Total Shoulder Arthroplasty is commonly performed for elective indications, such as cuff tear arthropathies, salvage arthropathies and tumours with excellent outcomes. However, its use in treating acute conditions such as 3- and 4-part proximal humeral fractures in the elderly has been more controversial. The aim of our study is to directly compare the short-term intra-operative and post-operative outcomes of RTSA for traumatic proximal humeral fractures as compared to elective shoulder arthroplasty. METHODS We retrospectively identified 78 consecutive patients who had undergone RTSA from 2009 to 2018 at a tertiary hospital. These patients were classified by etiology as either elective or trauma cases. Comparative analysis of the baseline demographics, as well as post-operative surgical, functional and range-of-movement outcomes between the two groups was performed. RESULTS 57 Patients made up the elective cohort and 14 patients made up the trauma cohort. The elective cohort was significantly older compared to the traumatic fracture cohort (73.2 vs 78.6, p = 0.026). No significant differences were observed when comparing post-operative surgical outcomes. At 6 months, the elective cohort demonstrated greater forward flexion (105.8° vs 127.2°, p = 0.041), as well as higher SF-36 PCS (27.85 vs 43.99, p = 0.018) and ASES scores (35.5 vs 76.31, p = 0.009). However, these differences resolved by 1-year post-op and no significant differences were noted comparing functional and range-of-movement outcomes at 1-year post-op. CONCLUSIONS Our study suggests that the application of reverse total shoulder arthroplasty in the management of traumatic humeral fractures may produce similarly favourable 1-year outcomes to that performed for elective etiologies. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s43465-022-00625-4.
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Angular stable plate versus reverse shoulder arthroplasty for proximal humeral fractures in elderly patient. Musculoskelet Surg 2022; 106:43-48. [PMID: 32504451 DOI: 10.1007/s12306-020-00669-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 05/26/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Treatment of complex proximal humeral fractures in the elderly is a challenge and reverse shoulder arthroplasty (RTSA) is now an important alternative to open reduction internal fixation (ORIF) with angular stable plate. The purpose of this study is to compare clinical and radiological outcomes of RTSA and ORIF in the elderly. METHODS We retrospectively analyzed patients treated for three- or four-part displaced fractures of the proximal humerus. Range of motion, disabilities of the arm, shoulder and hand (DASH) and Constant scores were recorded. X-ray exam in three projections completed the clinical observation at follow-up. RESULTS Forty-eight patients were enrolled after a mean follow-up of 37 months: 22 RTSA and 26 ORIF. Mean age at trauma was 74 years. Compared with RTSA patients, ORIF patients had significantly higher mean external rotation (28° vs. 14°) and better results in modal internal rotation (hand at D7 vs. hand at L5-S1). No significant differences were seen in DASH and Constant scores. Avascular necrosis and loss of reduction with varus dislocation of the humeral head were the most frequent causes of revision surgery in ORIF (34.6%) while the revision rate of the RTSA was 9.1%. CONCLUSION In this study, both treatments showed good clinical outcomes, but RTSA resulted in lower revision rate than ORIF. Even if external and internal rotation in RTSA patients were worse than ORIF, they did not affect the patient's quality of life. So, the reverse arthroplasty seems to be a more reliable treatment.
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[Locking plate fixation with fibular strut allograft versus locking plate fixation alone for the treatment of proximal humeral fractures in adults:a Meta-analysis]. ZHONGGUO GU SHANG = CHINA JOURNAL OF ORTHOPAEDICS AND TRAUMATOLOGY 2022; 35:186-193. [PMID: 35191274 DOI: 10.12200/j.issn.1003-0034.2022.02.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
OBJECTIVE To compare the clinical efficacy of locking plate fixation with a fibular strut allograft (FA group) and locking plate fixation alone (LP group) in the treatment of proximal humeral fractures in adults by Meta-analysis. METHODS Databases including PubMed, The Cochrane Library, Embase, Chinese BioMedical Literature Database(CBM), China National Knowledge Infrastructure(CNKI), WanFang Data, and China Science and Technology Journal Database (cpvip Database) were searched by computer from establishing to March 2020 to collect studies about locking plate fixation with fibular strut allograft versus locking plate fixation alone for proximal humeral fractures in adults. Two reviewers independently screened literature, extracted data, and assessed the risk of bias of included studies. The postoperative humeral head height changes, neck-shaft angle changes, Constant-Murley score, American Shoulder and Elbow Surgeons(ASES)score, visual analogue scale(VAS), varus malunion rate, and screw penetration rate were compared by RevMan 5.3 software for Meta-analysis. RESULTS Ten cohort studies were enrolled in a total of 749 patients, 300 patients in the FA group and 449 patients in the LP group. The results of Meta-analysis showed that locking plate with fibular strut allograft was superior to locking plate fixation alone in the changes in humeral head height [MD=-2.69, 95%CI(-3.24, -2.13), P<0.000 01], the changes in neck-shaft angle [MD=-5.65, 95%CI(-7.18, -4.12), P<0.000 01], Constant-Murley score [MD=9.00, 95%CI(4.26, 13.73), P=0.000 2], the ASES score [MD=5.56, 95%CI(4.29, 6.84), P=0.000 01], VAS score [MD=-0.23, 95%CI(-0.37, -0.09), P=0.001], the varus malunion rate [RR=0.22, 95%CI(0.09, 0.53), P=0.000 7] and the screw penetration rate [RR=0.26, 95%CI(0.13, 0.55), P=0.000 3], respectively.While there was no significant difference in the rate of osteonecrosis of the humeral head [RR=1.18, 95%CI(0.57, 2.45), P=0.65]. CONCLUSION For proximal humeral fractures in adults, current evidence shows that locking plate fixation with fibular strut allograft is superior to single locking plate fixation in improving postoperative radiological outcomes and shoulder function, relieving postoperative pain, reducing varus malunion rate and screw penetration rate. However, the efficacy in decreasing the osteonecrosis rate is not clear. Due to limited quality and quantity of the included studies, more high-quality studies are required to verify the above conclusion.
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Anatomical study for the treatment of proximal humeral fracture through the medial approach. J Orthop Surg Res 2022; 17:35. [PMID: 35039046 PMCID: PMC8764758 DOI: 10.1186/s13018-021-02897-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 12/30/2021] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND The treatment of complex 3- and 4-part proximal humeral fractures has been controversial due to numerous postoperative complications. With the further study of medial support and blood supply of humeral head, new techniques and conception are developing. The study aims to illustrate the medial approach of the proximal humeral fracture through cadaver autopsy. METHOD Upper limbs from 19 cadavers have been dissected to expose the shoulder joint. We selected the coracoid process as the bony reference. Vernier caliper will be used to measure the following data, including distance from coracoid process to circumflex brachial artery, distance between anterior humeral circumflex artery (ACHA) and posterior circumflex brachial artery (PCHA) and their diameters. Assessment included the characteristics of the vascular supply around the humeral head, identification of the structures at risk, quality of exposure of the bony structures, and feasibility of fixation. RESULTS The medial approach is appropriate in 86.84% anatomical patterns. Between the lower part of the shoulder capsule and the insertion of conjoined tendon, the bony surface exposed was limited by the interval between ACHA and PCHA. An interval of 2 to 3 cm (24.29 ± 3.42 mm) was available for medial plate. ACHA (49.35 ± 8.13 mm, 35.14-68.53 mm) and PCHA (49.62 ± 7.82 mm, 37.67-66.76 mm) were about 5 cm away from the coracoid process. Risk structures including ACHA and PCHA originate in common, PCHA originated from the deep brachial artery (DBA), the presence of perforator vessels, musculocutaneous nerve intersects with ACHA, the diameter of PCHA: ACHA < 1.5. In 13.15% anatomical patterns, this risk structure should be taken seriously. CONCLUSION The medial approach opens a new perspective in the optimal management of complex fractures of proximal humerus. Anatomical research proves that the medial approach is feasible. The interval between ACHA and PCHA is suitable for placement. Anatomical pattern and indication have been discussed, and we hypothesized that ACHA has been destroyed in complex PHFs. With further studies on the anatomy and mechanism of injury, the development of more clinical cases will be an important work of our institution in the future.
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Reverse shoulder arthroplasty for proximal humeral fracture in the elderly. Cemented or uncemented stem? INTERNATIONAL ORTHOPAEDICS 2022; 46:635-644. [PMID: 35034145 DOI: 10.1007/s00264-021-05284-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 12/04/2021] [Indexed: 10/19/2022]
Abstract
OBJECTIVE The purposes of this study were to compare functional outcomes, radiographic stem changes and complication rate in patients with proximal humeral fractures operated with cemented or uncemented RSA. METHODS Retrospective review of 68 primary RSAs in PHF, 45 cemented/23 uncemented. Functional outcomes were evaluated according to constant, ASES scales and the range of motion (ROM). Radiographic assessment was performed at a minimum of two years post-operatively. RESULTS The mean follow-up cemented/uncemented was 37.8/26.5 months (p = .04) and the mean age 78/80 years old (p = .09). The functional outcome and range of movement were equivalent in the two groups except for the forward flexion that was significantly higher in the cemented group (p = .03). Stress shielding was seen in 30.4% of uncemented group and none in the cemented. Anatomic tuberosity healing was significantly higher with uncemented components compared with cemented components (64% vs 91%, p = .02). Cemented stems had radiolucent lines with a width of 2 mm or more in three or more Gruen zones in 9% vs 0% in the uncemented group and an evident change in the stem position was present in 4% vs 0% in the non-cemented group. CONCLUSION At mid-term follow-up, no differences in functional outcomes were detected depending on the stem fixation technique. Cemented stems, however, have a complication rate (including stem loosening) significantly higher than press-fit stems.
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3D printing-assisted surgery for proximal humerus fractures: a systematic review and meta-analysis. Eur J Trauma Emerg Surg 2022; 48:3493-3503. [PMID: 34997257 DOI: 10.1007/s00068-021-01851-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 11/29/2021] [Indexed: 11/03/2022]
Abstract
AIM This study aimed to assess the efficacy of three-dimensional (3D) printing to conventional surgeries in proximal humerus fractures (PHFs). METHODS Eight databases were comprehensively searched for data on clinical characteristics and outcomes, including operation time, time to bone healing, blood loss volume, number of intraoperative fluoroscopies, the reduction rate of anatomic proximal humeri, Constant scores, Neer rating, loss of humeral head height, and complications. These data were compared between 3D printing-assisted versus conventional surgeries to learn the efficacy of 3D printing-assisted surgery. RESULTS 3D printing-assisted surgery outperformed conventional procedures in operation time, blood loss volume, time to the union of PHFs, number of fluoroscopies, the reduction rate of anatomic proximal humeri, Constant scores, Neer rating, and complications. CONCLUSION 3D printing-assisted surgery improves operation time, anatomic healing, pain, and motion, with less harm to patients.
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Non-medical patient-related factor influence in proximal humeral fracture outcomes: a multicentric study. Arch Orthop Trauma Surg 2021; 141:1919-1926. [PMID: 33130932 DOI: 10.1007/s00402-020-03643-9] [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: 04/17/2020] [Accepted: 10/15/2020] [Indexed: 11/27/2022]
Abstract
PURPOSE Age, sex, and type of fracture have traditionally been described as prognostic factors for proximal humeral fractures (PHFs). Some non-medical patient-related factors may play a role in the outcome. This paper evaluates the association of comorbidities and socioeconomic factors with clinical outcomes for PHF. METHODS A total of 217 patients with PHF were evaluated according to Neer's classification with X-ray. Comorbidities were assessed through the Charlson comorbidity index and, non-medical patient-related factors were determined with a 52-item questionnaire concerning personal behaviors such as social activities, family support, economic solvency, and leisure-time activities. The clinical outcome was assessed with the Constant-Murley Score (CMS), with a minimum 1-year follow-up. The minimal clinically relevant difference for the CMS was set at 10 points. A multivariable analysis was performed to adjust for comorbidities and non-medical patient-related factors, such as age, sex, fracture classification, and treatment. RESULTS One hundred and eighty-three patients completed the initial research protocol, while 126 of them completed the 1-year follow-up. The mean age was 71.6 years (SD ± 13.3), and 79.3% of the patients were women. In the bivariable analysis, age and comorbidities were correlated with the CMS (correlation coefficient: - 0.34 [- 0.49, 0.17] and 0.35 [0.18, 0.50], respectively), as well as non-medical patient-related factors and the fracture pattern (p value ANOVA < 0.001). In the multivariable regression model, the effects of considering oneself socially active, without economic problems, and self-sufficient were associated with a higher CMS than the effect of the fracture pattern (beta coefficient: 11.69 [6.09-17.30], 15.54 [8.32-22.75], and 10.61 [3.34-17.88], respectively). CONCLUSION Socioeconomic status had a higher impact on functional outcomes than fracture pattern in patients with PHF.
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Cancellous bone allograft is comparable to fibular strut allograft for augmentation in three- or four-part proximal humeral fractures. J Shoulder Elbow Surg 2021; 30:2065-2072. [PMID: 33484831 DOI: 10.1016/j.jse.2020.11.029] [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: 07/24/2020] [Revised: 11/16/2020] [Accepted: 11/25/2020] [Indexed: 02/01/2023]
Abstract
BACKGROUND Bone grafts have been used for augmentation and improving stability of reduced fractures in proximal humeral fractures. The aim of this study was to analyze the clinical and radiological outcomes after the use of cancellous bone allografts (CAs) for augmentation in 3- or 4-part proximal humeral fractures, and compare with fibular strut allografts (FAs). METHODS Between November 2016 and February 2018, 55 patients, followed for at least 1 year, with 3- or 4-part proximal humeral fractures fixed with locking plates were included and grouped according to the type of allograft bone used for augmentation. In this retrospective analysis, we assessed and compared the clinical and radiological outcomes of the 2 groups, using the visual analog scale score, the Constant-Murley score (CMS), the disability of the arm, shoulder, and hand (DASH) score, the range of movement, neck-shaft angle (NSA), humeral head height (HHH), and the changes of NSA and HHH, as well as recording any complications. The repeatedly measured clinical and radiological outcomes were analyzed by linear mixed models. The differences in outcomes between groups at the final follow-up were compared using Student's t test. RESULTS There were 28 patients in the CA group and 27 patients in the FA group with an average follow-up of 14.5 months. The mean age of all patients was 64 (36-86). Nonsignificant group effects were observed on CMS (β = -8.792, P = .216), DASH (β = 1.329, P = .094), NSA (β = 1.432, P = .752), and HHH (β = 1.660, P = .628). At the final follow-up, the patients in the CA group showed no significant differences in visual analog scale (1.8 vs. 2.2, P = .276), CMS (81.5 vs. 75.4, P = .072), and DASH (11.0 vs. 13.5, P = .235) scores compared with the FA group. There were no significant differences in the change of NSA (6 vs. 4, P = .387) or HHH (1 vs. 2, P = .261). CONCLUSIONS Patients with 3- or 4-part proximal humeral fractures treated with locking plates combined with CAs have good clinical and radiographic outcomes, similar to those treated with FAs.
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Surgical treatment of proximal humeral fractures with the transosseous suture fixation. J Orthop Surg Res 2021; 16:405. [PMID: 34162416 PMCID: PMC8220733 DOI: 10.1186/s13018-021-02555-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 06/11/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The surgical treatment of displaced proximal humeral fractures is commonly affected by implant-related complications. We evaluated the functional and radiographic results of transosseous suture fixation in a series of displaced proximal humeral fractures (PHF). METHODS Sixty-four patients were retrospectively classified by age, sex, and the Neer fracture classification. Two-part greater tuberosity (2pGT) displaced fractures and 3-part (varus and valgus) and 4-part valgus impacted fractures were managed with fragment reduction and transosseous suture fixation. Patients with minimum follow-up of 24 months and assessed with the Constant-Murley score (CMS) were included. Radiological and medical complications, as well as reinterventions were also recorded. RESULTS Forty-six patients with a mean follow-up of 58 (24-132) and a mean age of 58 years old were analyzed. Patients with 2pGT (n = 10) fractures had a CMS of 76 points (59-89); patients with 3-part fractures (n = 22) had a score of 67 points (13-91); and those with 4-part fractures (n = 14) had a score of 64 (24-76) points. The overall complication rate was 6 out of 46, and 4 patients required reintervention for different reasons. Patients presenting with 3-part varus fractures had significantly lower functional outcomes scores (p = 0.007). Humeral head osteonecrosis was present in 9 patients and significantly affected the functional outcomes (p < 0.05). However, only three out of nine patients with osteonecrosis required subsequent surgery at the indicated follow-up. CONCLUSIONS The fracture reduction and transosseous fixation technique represents a safe technique with low complication and reintervention rates. The presence of humeral head necrosis did not lead to subsequent surgical intervention because no hardware had protruded. LEVEL OF EVIDENCE Level IV, retrospective study.
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Stable osteosynthesis of cage in cage technique for surgical treatment of proximal humeral fractures. BMC Surg 2021; 21:233. [PMID: 33947389 PMCID: PMC8094560 DOI: 10.1186/s12893-021-01235-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 04/26/2021] [Indexed: 11/10/2022] Open
Abstract
Background The treatment of a displaced proximal humeral fracture is still a matter of controversy. The purpose of this study was to report outcomes at a long-term follow-up after fixation augmentation using peek (polyether-ether-ketone) cage and locking compression plate (LCP). Methods A total of 27 patients (average age 53.8 years, range 19–86 years) were treated with peek cage and LCP. All of them had a minimum radiographic and clinical follow-up of 1 years. Outcomes were assessed using the Constant-Murley score (CMS), disability of the arm, shoulder and hand (DASH) score. Complications were also recorded during follow-up. Results The average follow-up was 28 months (range 12–48 months). The mean functional outcomes were as follows: CMS, 73.3 (range 61–86); DASH, 45.9 (range 27–68). A total of 4 patients had complications: osteonecrosis developed in one patient, loss of reduction was observed in 1 patient and stiffness was occurred in two patients. Conclusion The use of peek cage and LCP has been a valuable option in the treatment of proximal humeral fractures. The complication rate was acceptable. Suitable void filler in the proximal humerus for reconstructing the medial column integrity attains mechanical stability in reducing the incidence of the complications. Supplementary Information The online version contains supplementary material available at 10.1186/s12893-021-01235-x.
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Abstract
Objective This study was performed to evaluate the clinical effect of MultiLoc® nails
(DePuy Synthes, Raynham, MA, USA) on the treatment of four-part proximal
humeral fractures (PHFs). Methods From January 2014 to January 2018, 32 patients with four-part PHFs were
treated with intramedullary MultiLoc® nails in our hospital. The operation
time, bleeding volume, postoperative X-ray findings, and fracture healing
status were recorded and analyzed. At the end of follow-up, the clinical
outcome was evaluated based on the visual analog scale (VAS) score, American
Shoulder and Elbow Surgeons (ASES) shoulder score, Constant–Murley score
(CMS), and occurrence of any complications. Results Among all patients, the average operation time was 124.5 minutes (range,
91–152 minutes), the average amount of bleeding was 90 mL (range, 55–150
mL), and the fracture healing rate was 100%. At the end of follow-up, the
mean VAS score was 1.6 ± 0.4, mean ASES score was 84.4 ± 6.3, and mean CMS
was 70.3 ± 6.1; no serious complications had occurred; and the patients
exhibited good recovery of shoulder function. Conclusions MultiLoc nails® can be applied to the treatment of four-part PHFs. This
surgical fixation method has no obvious complications and helps to restore
shoulder function.
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Task-oriented exercises improve disability of working patients with surgically-treated proximal humeral fractures. A randomized controlled trial with one-year follow-up. BMC Musculoskelet Disord 2021; 22:293. [PMID: 33743670 PMCID: PMC7981858 DOI: 10.1186/s12891-021-04140-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 02/28/2021] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND General physiotherapy is a common means of rehabilitation after surgery for proximal humeral fracture (PHF). Better-targeted exercises seem worthy of investigation and the aim of this study was to assess the efficacy of a rehabilitation program including task-oriented exercises in improving disability, pain, and quality of life in patients after a PHF. METHODS By means of a randomized controlled trial with one-year follow-up, 70 working patients (mean age of 49 ± 11 years; 41 females), who were selected for open reduction and internal fixation with plates caused by PHF, were randomized to be included in an experimental (n = 35) or control group (n = 35). There was a permuted-block randomization plan, and a list of program codes was previously created; subsequently, an automatic assignment system was used to conceal the allocation. The first group underwent a supervised rehabilitation program of task-oriented exercises based on patients' specific job activities, and occupational therapy. The second group underwent general physiotherapy, including supervised mobility, strengthening and stretching exercises. Both groups individually followed programs of 60-min session three times per week for 12 weeks in the outpatient setting. The Disability Arm Shoulder Hand questionnaire (DASH; scores range from 0 to 100; primary outcome), a Pain intensity Numerical Rating Scale (scores range 0 to 10; secondary outcomes), and the Short-Form Health Survey (scores range from 0 to 100; secondary outcomes) assessed the interventions. Participants were evaluated before surgery, before and after rehabilitation (primary endpoint), and at the one-year follow-up (secondary endpoint). A linear mixed model analysis for repeated measures was carried out for each outcome measure (p < 0.05). RESULTS Time, group and time by group showed significant effects for all outcome measures in favour of the experimental group. The DASH and the DASH work achieved clinically important between-group differences of 16.0 points (95% confidence interval [C.I.] 7.3 to 24.7) and 19.7 (95% C.I. 9.0 to 30.5) at follow-up, respectively. The NRS achieved a between-group difference of 2.9 (95% C.I. 1.0 to 3.9) at follow-up. As for SF-36, there were between-group differences ranging from 17.9 to 37.0 at follow-up. CONCLUSIONS A rehabilitation program based on task-oriented exercises was useful in improving disability, pain, and quality of life in working patients after PHFs. Improvements lasted for at least 12 months. TRIAL REGISTRATION On 16/12/2019, the trial was retrospectively registered in the ISRCTN registry with the ID number 17996552 .
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Does healing of both greater and lesser tuberosities improve functional outcome after reverse shoulder arthroplasty for fracture? A retrospective study of twenty-eight cases with a computed tomography scan at a minimum of one-year follow-up. INTERNATIONAL ORTHOPAEDICS 2021; 45:681-687. [PMID: 33420880 DOI: 10.1007/s00264-020-04928-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 12/29/2020] [Indexed: 10/22/2022]
Abstract
PURPOSE Reverse shoulder arthroplasty (RSA) is often indicated in elderly patients with displaced proximal humerus fractures (PHF). The rate of greater tuberosity (GT) healing varies from 37 to 90% in this population. The aim of this study was to assess greater and lesser tuberosity (LT) fixation and healing on CT scan after RSA for PHF. Our hypothesis was that both GT and LT healing leads to better functional results after RSA for fracture. METHODS Our retrospective cohort consisted of 28 patients treated with an RSA for a four-part PHF during the inclusion period. The mean age at surgery was 77 years. Clinical examination and CT scan were performed at a minimum one year follow-up to assess tuberosity position and healing. RESULTS The GT healed in 22 patients (78.5%), the LT in 24 patients (87.5%) and both tuberosities were healed in 20 patients (71.5%). Constant score was significantly improved with GT, LT and both tuberosity healing (p = 0.05, p = 0.04 and p = 0.02 respectively). Motion in anterior elevation was improved with GT and both tuberosity healing (p = 0.01 and p = 0.04 respectively). Motion in external rotation was improved with GT and both tuberosity healing (p = 0.01 and p = 0.02 respectively). CONCLUSION GT and LT healing was associated with better functional results and active motion. Anatomical reduction and consolidation of both tuberosities is beneficial with a cumulative effect for functional recovery.
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Surgical management of 2- or 3-part proximal humeral fractures: comparison of plate, nail and K-wires. Musculoskelet Surg 2020; 106:163-167. [PMID: 33257999 PMCID: PMC9130153 DOI: 10.1007/s12306-020-00686-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Accepted: 10/29/2020] [Indexed: 11/29/2022]
Abstract
Background Proximal humeral fractures (PHFs) are fairly common injuries, and their treatment is a challenge. The aim of this study is to compare clinical and functional outcomes of different osteosynthesis techniques. Materials and methods We retrospectively reviewed patients’ files and the hospital’s digital database between March 2002 and April 2018. We treated surgically 148 patients with 2- and 3-part PHFs: 64 with plate and screws, 53 with intramedullary nailing and 31 with retrograde K-wires. We constituted three groups according to the type of treatment and two subgroups for each according to the number of fragments (Neer II or Neer III). Disabilities of the Arm, Shoulder and Hand (DASH) and Short Form-12 (SF-12) scores were recorded. Results Mean DASH and SF-12 scores both from the group treated with plate (Group I) and the one subjected to intramedullary nailing (Group II) were statistically superior to results from the patients treated by retrograde K-wires (Group III), while nails showed better functional results than the locking plates. In the first two groups, no difference was found between Neer II and III subgroups, while in Group III the DASH scores were significantly better in Neer II subgroup than those in Neer III subgroup. Avascular necrosis was the most frequent cause of revision surgery in Group I (4 cases) where we had 8 cases of reintervention (12.5%). In Group II, the subacromial impingement was the only cause for revision surgery with 3 cases (5.6%). Conclusions Intramedullary nails showed better functional results and a lower complication rate than the locking plates. Both techniques showed superior results compared to those available with retrograde K-wires. So the nail seems to be a more reliable and adequate method for treating 2- and 3-part proximal humeral fractures.
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Proximal humeral nail for treatment of 3- and 4-part proximal humerus fractures in the elderly population: effective and safe in experienced hands. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2020; 31:769-777. [PMID: 33211233 DOI: 10.1007/s00590-020-02832-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 11/10/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND Optimal treatment of 3- and 4-part proximal humerus fractures (PHFs) remains controversial. Although commonly recommended for less comminuted PHFs, the outcomes of treatment with proximal humerus nailing (PHN) are more equivocal. The purpose of this study was to report on radiographic and clinical outcomes of patients undergoing PHN fixation of 3- and 4-part PHFs at minimum one-year follow-up. Our hypothesis was that the findings would demonstrate satisfactory radiographic and clinical outcomes, with low rates of complications and revision surgeries. METHODS Between 2008 and 2016, 121 patients with comminuted, low-energy, osteoporotic, PHFs underwent fixation via Targon PHN (Aesculap, Tuttlingen, Germany). Of these, 60 patients met inclusion and exclusion criteria and were included in this analysis (mean age 72; range 65-85). All completed a minimum 1-year follow-up (range 12.5-82 months). Patients with 3-part PHFs were compared to patients with 4-part PHFs. Clinical, radiographic, and functional outcomes were assessed at postoperative visits. Patient reported outcomes included pain, the American Shoulder and Elbow Surgeons (ASES) score and the Simple Shoulder Test (SST). Radiographic union and revision and complication rates were assessed. RESULTS Overall, 37 (62%) fractures were classified as Neer 3 and 23 (38%) were classified as Neer 4. Both groups achieved similar postoperative range of motion. Patients with 3-part fractures reported significantly lower postoperative pain (0.76 ± 1.8 vs. 1.65 ± 2.2, p = 0.0047). Patients with 3-part fractures reported significantly better ASES scores (82.4 ± 19.2 vs. 70.8 ± 21.9, p = 0.02) and non-statistically significant higher SST scores (8.4 ± 3.2 vs. 7.43 ± 3.8, p = 0.14). Adequate fracture union was achieved in 53 fractures (88.3%). Three patients (5%) had varus malunion or greater tuberosity displacement, one (1.7%) had mechanical failure, and three (5%) had radiographic evidence of avascular necrosis. Between groups, there was no difference in failure rates. CONCLUSION Proximal humeral nails can successfully be used by experienced surgeons in fixation of comminuted and displaced proximal humeral fractures in selected patients with osteoporosis. While patients with both 3- and 4-part fractures demonstrate fracture union with satisfactory outcomes, patients with 3-part fractures demonstrate significantly higher postoperative functional scores.
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"Suspension bridge" external fixation technique for the treatment of proximal humeral fractures. J Shoulder Elbow Surg 2020; 29:2326-2331. [PMID: 32631642 DOI: 10.1016/j.jse.2020.03.011] [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: 01/22/2020] [Revised: 03/15/2020] [Accepted: 03/20/2020] [Indexed: 02/01/2023]
Abstract
BACKGROUND The purpose of this study was to investigate the clinical efficacy of the "suspension bridge" external fixation technique for the treatment of proximal humeral fractures with or without soft tissue defects and infection, as well as postoperative revision. METHODS From August 2013 to June 2018, 9 patients with proximal humeral fractures were selected. There were 5 males and 4 females, with an average age of 55.2 years (range: 32-74 years). Five patients were diagnosed with acute fractures (soft tissue defects in 2 patients). Of these patients, 1 patient was diagnosed with a fracture of the anatomic neck, 2 patients with 3-part fractures, and 2 patients with 4-part fractures. Internal fixation failure occurred in 4 patients, who needed revision surgery. Of these 4 patients, 1 patient was diagnosed with an anatomic neck fracture and 3 patients with 4-part fractures before surgery. Postoperative plate and screw fixation failure was the main cause of revision. One patient had an accompanying skin defect, and 1 had an infection. The "suspension bridge" external fixation technique was used to treat the fractures in the revision surgeries. RESULTS The operative time was 84.1 minutes (range: 63-120 minutes), and the blood loss was 224.4 mL (range: 140-320 mL). The follow-up period was 35.1 months (range: 16-72 months). All fractures unioned, with an average unioning time of 12.7 weeks (range: 8-16 weeks). At the final follow-up, the flexion was 131.8° (range 108°-152°), extension 39.9° (range 32°-47°), abduction 128.6° (range 110°-150°), internal rotation 43.9° (range 34°-55°), and external rotation 60.7° (range 46°-72°); the mean visual analog scale score for pain was 1.3 (range 0-3), and the mean Neer score was 87.4 points (range 75-98 points). Efficacy was assessed as excellent in 4 patients, good in 3 patients, and acceptable in 2 patients; the excellent or good rate was 77.8%. No adverse events, such as postoperative infection, fixation failure, and nonunion, occurred during the follow-up. CONCLUSION The "suspension bridge" external fixation technique is an effective method for the treatment of proximal humerus fractures, and it can also be used for the treatment of skin defects and infections.
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Comparison between MIPO and the deltopectoral approach with allogenous fibular bone graft in proximal humeral fractures. Clin Shoulder Elb 2020; 23:136-143. [PMID: 33330248 PMCID: PMC7714291 DOI: 10.5397/cise.2020.00199] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/12/2020] [Accepted: 08/15/2020] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND The purpose of this study was to investigate the clinical differences between open reduction and plate fixation via a deltopectoral approach with allogenous fibular bone graft and a minimally invasive plate osteosynthesis (MIPO), in Neer's classification two-, three- part proximal humeral fractures. METHODS In this retrospective study, 77 patients with two-, three-part proximal humeral fractures were treated at two different institutions. Clinical and radiological evaluations were performed in 39 patients, who underwent MIPO at one institution (group A), and 38 patients, who underwent a deltopectoral approach with allo-fibular bone graft (group B) at another institution. The results between the groups were compared. RESULTS The MIPO technique was significantly less time consuming and caused less bleeding than the deltopectoral approach with allo-fibular bone graft (P<0.05). The duration of the fracture union was significantly reduced in group A (14.5±3.4; range, 10-22 weeks) compared to group B (16.4±4.3; range, 12-28) weeks (P<0.05). There were no statistically significant differences between the two groups when evaluating the visual analog scale and Constant scores between the two groups, 1 year postoperatively. In radiological evaluation, there was no difference in radiological outcomes between the two groups. There were no statistically significant differences in malunion between the two groups. CONCLUSIONS The MIPO technique and deltopectoral approach with allo-fibular bone graft for two-, three-part proximal humeral fractures, show similar clinical and radiological results. However, allogenous fibular grafts require longer surgery, cause more bleeding, and result in longer fracture healing time than MIPO technique.
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In vitro evaluation of the tension band suture method for proximal humerus fracture treatment. J Orthop Surg Res 2020; 15:345. [PMID: 32819382 PMCID: PMC7441671 DOI: 10.1186/s13018-020-01890-5] [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: 06/15/2020] [Accepted: 08/13/2020] [Indexed: 11/17/2022] Open
Abstract
Background Proximal humeral fractures are common, and more than half occur in patients over 65 years of age. Operative treatment may be recommended for displaced, complicated fractures; however, surgery may lead to displacement of the greater tuberosity or humeral head. Supplemental tension band sutures have been recommended to prevent such a complication. In this study, we investigate the best combination of suture, washer, and threading angle for proximal humeral fractures from a mechanical view. Methods The mechanical durability of 18 combinations of suture materials (Fiberwire, Ethibond, and Surgilon), threading washers (ring washer, disc washer), and threading angles (15 or 45°) were examined via a cyclic loading test. Results The most durable combination in the cyclic loading test consisted of threading the Fiber Wire to the washer ring using only one hole (ring washer-1) at 45°. In contrast, the most vulnerable combination was threading Ethibond to the washer disc at 15°. Breakage of all suture materials occurred at the suture-washer interface, and no failure or loosening of the knots was observed. FiberWire gradually eroded until the loss of equilibrium; whereas the rupture of Ethibond and Surgilon occurred suddenly. Conclusions From a mechanical viewpoint, we demonstrated that applying a supplemental tension band suture using FiberWire with a single-hole ring washer threaded at a wider angle is recommended.
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ESTES recommendations on proximal humerus fractures in the elderly. Eur J Trauma Emerg Surg 2020; 47:381-395. [PMID: 32767081 DOI: 10.1007/s00068-020-01437-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 07/12/2020] [Indexed: 12/14/2022]
Abstract
PURPOSE The section for the skeletal trauma and sport's injuries of the European Society for Trauma and Emergency Surgery (ESTES) appointed a task force group to reach a consensus among European countries on proximal humeral fractures. MATERIAL/METHODS The task force group organized several consensus meetings until a paper with final recommendations was confirmed during the ESTES Executive Board meeting in Berlin on 25 October 2018. CONCLUSION The Recommendations compare conservative and four possible operative treatment options (ORIF, nailing, hemi- and total reverse arthroplasty) and enable the smallest common denominator for the surgical treatment among ESTES members.
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Comparison between minimally invasive deltoid-split and extended deltoid-split approach for proximal humeral fractures: a case-control study. BMC Musculoskelet Disord 2020; 21:406. [PMID: 32593311 PMCID: PMC7321543 DOI: 10.1186/s12891-020-03417-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 06/12/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND With the rapid aging of the population, the incidence of proximal humeral fracture (PHF) has increased. However, the optimal method for open reduction and internal fixation (ORIF) remains controversial. METHODS We performed a retrospective analysis of patients with PHF who underwent locking plate internal fixation at our institution from January 2016 to December 2018. Patients were divided into two groups based on the surgical approach used: an expanded deltoid-split approach group (ORIF group) and minimally invasive deltoid-split approach group (minimally invasive percutaneous plate osteosynthesis, [MIPPO] group). The groups were compared in terms of demographic and perioperative characteristics, and clinical outcomes. RESULTS A total of 115 cases of PHF were included in our study, of which 64 cases were treated using the minimally invasive deltoid-split approach and 51 using the extended deltoid-split approach. Fluoroscopy was performed significantly less frequently in the ORIF group and the surgical duration was shorter. However, the postoperative visual analogue scale (VAS) pain score and duration of postoperative hospital stay were significantly higher compared to the MIPPO group. Moreover, secondary loss was significantly less extensive in the ORIF group compared to the MIPPO group, while there was no significant group difference in fracture healing time, Constant shoulder score, or complications at the last follow-up visit. CONCLUSIONS The clinical outcomes associated with both the minimally invasive and extended deltoid-split approaches were satisfactory. The data presented here suggest that the extended deltoid-split approach was superior to the minimally invasive deltoid-split approach in terms of operational time, fluoroscopy, and secondary loss of reduction, while the minimally invasive approach was superior in terms of postoperative pain and hospital stay. Accordingly, neither procedure can be considered definitively superior; the optimal surgical procedure for PHF can only be determined after full consideration of the situation and requirements of the individual patient.
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The plate fixation strategy of complex proximal humeral fractures. INTERNATIONAL ORTHOPAEDICS 2020; 44:1785-1795. [PMID: 32535700 DOI: 10.1007/s00264-020-04544-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 03/18/2020] [Indexed: 11/25/2022]
Abstract
PURPOSE For complex proximal humeral fractures, severe displacement and comminuted fragments lead to poor clinical outcomes. Despite considerable management, the locking plate fixation is still a preference and the proper selection of its strategy for each individual seems to be essential. METHOD The available classification system of the fracture, determination of surgical intervention, the common complications and related causes, and the latest critical surgical strategies with locking plate fixation were discussed in this review. RESULTS The frequent complications with complex proximal humeral fractures after operative treatment present a great challenge to orthopedic surgeons. In order to maintain the stability of locking plate fixation, several options including calcar screw, bone graft, bone cement augmentation, dual plate fixation, and fracture impaction were available for restoration of medial support. CONCLUSION Restoration of medial support seems of importance to provide solid stability and reduced complication for the complex fractures with fixation of locking plates.
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Complications after surgical management of proximal humeral fractures: a systematic review of event terms and definitions. BMC Musculoskelet Disord 2020; 21:327. [PMID: 32456631 PMCID: PMC7251821 DOI: 10.1186/s12891-020-03353-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 05/19/2020] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND The most frequently used surgical procedures for treating a proximal humeral fracture (PHF) are plate osteosynthesis, nail osteosynthesis and arthroplasty. Evidence-based recommendations for an appropriate surgical procedure after PHF requires transparent and valid safety data. We performed a systematic review to examine reported terms and definitions of complications after surgically-treated PHFs. METHODS A literature search was conducted on PubMed, Cochrane Library, EMBASE, Scopus and WorldCat to identify clinical articles and book chapters on complications of PHF published from 2010 to 2017. Complication terms and definitions were extracted from each selected article independently by two reviewers and grouped according to a predefined scheme. RESULTS From 1376 initial references, we selected 470 articles, of which 103 were reviewed in reverse chronological order until no further information was gained. Twelve book chapters were reviewed. We found 667 local event terms associated with complications after surgical treatment of PHFs. The most frequently used event terms were infection (52 references), nonunion (n = 42), malunion (n = 35), avascular necrosis (n = 27) and pain (n = 25). Overall, 345, 177, 257 and 102 local event terms were related to plating, nailing, arthroplasty and other surgical techniques, respectively. Radiological assessment was the basis for the majority of event terms and complication definitions. Thirty-six event definitions were extracted, mostly defining the terms "secondary fracture displacement", "screw perforation/cutout", "malunion", "delayed healing" and "notching". CONCLUSION Scientific literature on surgically-managed PHF uses different terms to describe complications and without approved definitions, which highlights a lack of agreement on adverse event terminology for PHFs. Defined event terms are mostly based on radiological observations. Consensus among shoulder surgeons on a core event set is indispensable to support the standardization of safety reporting for surgically-treated PHFs.
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Administration of Tranexamic Acid in Proximal Humeral Fractures. Indian J Orthop 2020; 54:277-282. [PMID: 33194102 PMCID: PMC7609467 DOI: 10.1007/s43465-020-00128-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 04/22/2020] [Indexed: 02/04/2023]
Abstract
INTRODUCTION This study aimed to analyze the efficacy of intravenous administration of tranexamic acid in complex proximal humeral fractures. MATERIALS AND METHODS Sixty-seven patients with displaced 3 and 4 part proximal humerus fractures were randomized into the control (n = 33) and TXA (n = 34) groups. Fifteen minutes before the skin incision, 15 mg/kg body weight of 0.9% sodium chloride solution or TXA was injected intravenously. Open reduction and internal fixation was conducted through a deltoid-pectoral approach with fixed angle locked plating (PHILOS) for all the patients. The patients were followed up 2 months after surgery. Total blood loss, blood test results, blood transfusion rate, and wound complications were analyzed between the two groups. RESULTS Significant differences were observed in intraoperative blood loss and postoperative blood loss during the first 24 h between the two groups. There were no significant differences in postoperative blood loss during the second 24 h, wound complication rates, blood transfusion rate and adverse side effects. And thromboembolic events related with the application of TXA were not noted in the TXA group. CONCLUSION Preoperative administration of tranexamic acid could reduce intraoperative and postoperative blood loss in patients with complex proximal humeral fractures. LEVEL OF EVIDENCE II, prospective comparative study.
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Trends in surgical management of proximal humeral fractures in adults: a nationwide study of records in Germany from 2007 to 2016. Arch Orthop Trauma Surg 2019; 139:1713-1721. [PMID: 31375915 DOI: 10.1007/s00402-019-03252-1] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Indexed: 11/30/2022]
Abstract
INTRODUCTION Proximal humeral fractures (PHF) are among the most common adult fractures. However, valid epidemiologic population-based data, including differentiation of treatment modalities, are lacking. MATERIALS AND METHODS Using the ICD codes and associated OPS codes for PHF, a retrospective analysis of 2007-2016 Federal Statistical Office of Germany data was performed. Data were evaluated for total incidence of PHF as well as total use, annual utilization rates, age, and sex distributions of all associated surgical procedures. Simple linear regressions were performed to evaluate trends in treatment modalities. RESULTS There were 642,556 cases of PHF. During the study period, incidence changed substantially from 65.2 to 74.2 per 100,000 inhabitants with a significant rise in elderly (> 70 years) patients (P < 0.001). The number of surgical procedures increased by 39%, with locking plate fixation being the most common procedure (48.3%), followed by intramedullary nailing (IMN) (20.0%), hemiarthroplasty (HA) (7.5%), K-wire fixation (6.4%), and reverse shoulder arthroplasty (RSA) (5.6%). The utilization rate increased for locking plates, K-wires, and RSA and decreased for HA and IMN. Particularly, the utilization of RSA exhibited a > eightfold increase. Significant linear correlation of procedure and time were found for all surgical treatments. CONCLUSIONS During this period, the number of inpatient PHFs, especially in the elderly, increased. Although locking plate fixation remained the most common treatment method, RSA had the greatest proportional increase over time, supporting its growing popularity in the light of the current scientific evidence. This incline was offset by a corresponding decrease in HA and IMN, which may be related to a growing knowledge of their application limitations. LEVEL OF EVIDENCE Descriptive epidemiology study, large database analysis.
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Finite element analysis of an intramedulary anatomical strut for proximal humeral fractures with disrupted medial column instability: A cohort study. Int J Surg 2019; 73:50-56. [PMID: 31783165 DOI: 10.1016/j.ijsu.2019.11.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 11/17/2019] [Indexed: 10/25/2022]
Abstract
BACKGROUND Lateral locking plate (LLP) fixation has gained popularity for the treatment of proximal humeral fractures (PHFs); however, complications can occur due to loss of the medial cortical buttress from fracture comminution. MATERIALS AND METHODS We designed a novel intramedullary anatomical medial strut with allograft bone (IAMSAB) using MIMICS software to specifically fill the intramedullary canal of the proximal humeral bone. We used finite element analysis to evaluate the biomechanical characteristics of a LLP, LLP-intramedullary fixation system (IFS), LLP-anatomical medial locking plate (AMLP), or the combined application of a LLP and IAMSAB (LLP-IAMSAB) fixation construct in patients with a PHF and an unstable medial column. RESULTS For axial or rotational loads, under (normal) Nor or osteoporotic (Ost) bone conditions, the LLP-IAMSAB fixation construct was significantly stiffer than the LLP-IFS fixation construct, and displacement at the fracture site after LLP-IAMSAB fixation was significantly less than after LLP or LLP-IFS fixation (P < 0.05). Stiffness of the LLP-IAMSAB and LLP-AMLP fixation constructs and displacement at the fracture site after LLP-IAMSAB and LLP-AMLP fixation were not significantly different. The IFS, AMLP, and IAMSAB shared the load in the LLP and decreased the risk of implant failure. There were no significant differences in von Mises stress and stress distribution after fixation with the LLP-IFS, LLP-AMLP, and LLP-IAMSAB constructs. CONCLUSION These data suggest that the IAMSAB can provide direct medial support or resistance to rotation and augment the biomechanics of the LLP. The combined application of the IAMSAB and LLP may achieve functional outcomes that are similar to the LLP-AMLP fixation construct.
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Comparison between minimally invasive plate osteosynthesis and open reduction-internal fixation for proximal humeral fractures: a meta-analysis based on 1050 individuals. BMC Musculoskelet Disord 2019; 20:550. [PMID: 31739803 PMCID: PMC6862799 DOI: 10.1186/s12891-019-2936-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 11/08/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND This meta-analysis aimed to compare the clinical outcomes and complications of minimally invasive plate osteosynthesis (MIPO) and open reduction-internal fixation (ORIF) in patients with proximal humeral fractures. METHODS We searched PubMed, EMBASE, Ovid, and the Cochrane Library to identify all relevant studies from inception to April 2019. Cochrane Collaboration's Review Manage 5.3 was used for meta-analysis. RESULTS Sixteen studies involving 1050 patients (464 patients in the MIPO group and 586 patients in the ORIF group) were finally included. According to the meta-analysis, MIPO was superior to ORIF in operation time, blood loss, postoperative pain, fracture union time, and constant score. However, MIPO was associated with more exposure to radiation and axillary nerve injury. No significant differences were found in length of hospital stays and complication except for axillary nerve injury. CONCLUSION The present evidence indicates that compared to ORIF, MIPO had advantages in functional outcomes, operation time, blood loss, postoperative pain, and fracture union time for the treatment of PHFs. However, the MIPO technique had a higher rate of axillary nerve injury and longer radiation time compared to ORIF.
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Primary reverse shoulder arthroplasty for acute proximal humerus fractures: A 5-year long term retrospective study of elderly patients. Injury 2019; 50:1974-1977. [PMID: 31540798 DOI: 10.1016/j.injury.2019.09.019] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 07/22/2019] [Accepted: 09/09/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND Reverse shoulder arthroplasty (RSA) in complex shoulder fractures is ever more frequently. This study compares clinical and radiologic results of patients with comminuted proximal humeral fractures (PHFs) treated with RSA, with and without tuberosities grafting. METHODS Between January 2009 and June 2014, 55 patients aged ≥65 years with 3- and 4-part PHFs were treated surgically. Patients' files and the hospital's digital database were reviewed retrospectively with at least 5-year of follow up. We constituted three groups according to the tuberosity consolidation: patients in whom the tuberosities showed anatomic consolidation (Group I) and patients either with secondary displacement of the tuberosities (Group II) or without tuberosity repair (Group III). RESULTS The 74% of the repaired tuberosities consolidated in anatomic position. Among range of motion (ROM), we reported that forward elevation, abduction and external rotation were significantly better in Group I than those in Group II-III. Furthermore, quick Dash score and Constant score showed more satisfied results in Group I. Regarding complications, not infection or instability were found in group I. On the other hand, in group II, we reported one patient with deep infection, leading to two steps surgery. In group III, we recorded two patients with instability required implant revision and one with deep infection treated by revision. CONCLUSION RSA showed satisfied results even at 5 year follow up. Preservation of the tuberosities in anatomic position improves active forward elevation and external rotation as well as patient satisfaction with less complications.
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Nationwide trends in management of proximal humeral fractures: an analysis of 77,966 cases from 2008 to 2017. J Shoulder Elbow Surg 2019; 28:2072-2078. [PMID: 31420225 DOI: 10.1016/j.jse.2019.03.034] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 03/22/2019] [Accepted: 03/27/2019] [Indexed: 02/01/2023]
Abstract
BACKGROUND There is no consensus as to the treatment of proximal humeral fractures (PHFs), particularly in elderly patients. There is increasing evidence that nonoperative management may have similar functional outcomes to operative management, which is potentially conflicting with increasingly improved surgical techniques and implants. The aim of this study was to investigate the changes in the incidence and management of PHFs across Australia over a 10-year period. MATERIALS AND METHODS We retrospectively reviewed all hospitalizations of patients with PHFs from 2 Australian national health care databases from 2008 to 2017. We recorded the incidence of PHFs and annual utilization rates of commonly used treatment options including nonoperative management, hemiarthroplasty (HA), reverse total shoulder arthroplasty (RTSA), and open reduction-internal fixation (ORIF). RESULTS The incidence of PHFs increased from 26.8 per 100,000 person-years in 2008 to 45.7 per 100,000 person-years in 2017. There was a decrease in operative management from 2008 to 2017, with 32.5% and 22.8% of all PHFs treated operatively in 2008 and 2017, respectively (P = .001). ORIF use decreased significantly from 76.6% to 72.6% (P = .004). RTSA use increased significantly from 4.1% to 24.5% (P < .001). HA use decreased significantly from 19.3% to 3% (P < .001). CONCLUSIONS Whereas the incidence of PHFs increased, the operative management of PHFs decreased significantly from 2008 to 2017, particularly in patients aged 65 years or older. This decrease in operative management was in part due to a significant decrease in ORIF and HA use in patients aged 65 years or older. There was a significant increase in RTSA use.
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The impact of surgeon and patient treatment preferences in an orthopaedic trauma surgery trial. Trials 2019; 20:570. [PMID: 31533863 PMCID: PMC6751812 DOI: 10.1186/s13063-019-3631-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 08/07/2019] [Indexed: 12/12/2022] Open
Abstract
Background Surgeon and patient treatment preferences are important threats to the internal and external validity of surgical trials such as PROFHER, which compared surgical versus non-surgical treatment for displaced fractures of the proximal humerus in adults. We explored the treatment preferences expressed by surgeons and patients in the trial and how these impacted on patient selection, trial conduct and patient outcome. Methods A series of exploratory secondary analyses of the PROFHER trial data were undertaken. We reviewed the extent of surgeon and patient treatment preferences (surgery or not surgery) at screening (n = 1250) as well as prior preference (including no preference) of randomised patients (n = 250), and assessed their impact on recruitment and adherence to follow-up and rehabilitation. Changes in treatment after 2 years’ follow-up were explored. Patient preference and characteristics associated with trial inclusion or treatment preference (t test, chi-squared test, Wilcoxon rank-sum test) were included as treatment interaction terms in the primary trial analysis of shoulder functioning (Oxford Shoulder Score, OSS). Results Surgeons excluded 17% of otherwise eligible patients based on lack of equipoise; these patients had less complex fractures (p < 0.001) and tended to be older (p = 0.062). Surgeons were more likely to recommend surgery for patients under 65 years of age (p = 0.059) and who had injured their right shoulder (p = 0.052). Over half of eligible patients (56%) did not consent to take part in the trial; these patients tended to be older (p = 0.022), with a preference for not surgery (74%; which was associated with older age, p = 0.039). There were no differential treatment effects (p value of interaction) for shoulder functioning (OSS) based on subgroups of patient preference (p = 0.751), age group (p = 0.264), fracture type (p = 0.954) and shoulder dominance (p = 0.850). Patients who were randomised to their preferred treatment had better follow-up rates (94 vs 84% at 2 years) and treatment adherence (90 vs 83% reported completing home exercises). Patients who were not randomised to their preferred treatment were more likely to change their treatment preference at 24 months (60 vs 26%). Conclusions The robustness of the PROFHER trial findings was confirmed against possible bias introduced by surgeon and patient preferences. The importance of collecting preference data is highlighted. Trial registration ISRCTN50850043. Registered on 25 March 2008.
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Readmissions, revisions, and mortality after treatment for proximal humeral fractures in three large states. BMC Musculoskelet Disord 2019; 20:419. [PMID: 31506075 PMCID: PMC6737688 DOI: 10.1186/s12891-019-2812-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 09/02/2019] [Indexed: 11/26/2022] Open
Abstract
Background Proximal humeral fractures can be treated non-operatively or operatively with open reduction and internal fixation (ORIF) and arthroplasty. Our objective was to assess practice patterns for operative and non-operative treatment of proximal humeral fractures. We also report on complications, readmissions, in-hospital mortality, and need for surgery after initial treatment of proximal humeral fractures in California, Florida, and New York. Methods The State Inpatient Databases and State Emergency Department Databases from the Healthcare Cost and Utilization Project, sponsored by the Agency for Healthcare Research and Quality, were used for the states of California (2005–2011), Florida (2005–2014), and New York (2008–2014). Data on patients with proximal humeral fractures was extracted. Patients underwent non-operative or operative (ORIF or arthroplasty) treatment at baseline and were followed for at least 4 years from the index presentation. If the patient needed subsequent surgery, time to event was calculated in days, and Kaplan-Meier survival curves were plotted. Results At the index visit, 90.3% of patients with proximal humeral fractures had non-operative treatment, 6.7% had ORIF, and 3.0% had arthroplasty. 7.6% of patients initially treated non-operatively, 6.6% initially treated with ORIF, and 7.2% initially treated with arthroplasty needed surgery during follow-up. Device complications were the primary reason for readmission in 5.3% of ORIF patients and 6.7% of arthroplasty patients (p < 0.0001). All-cause in-hospital mortality was 9.8% for patients managed non-operatively, 8.8% for ORIF, and 10.0% for arthroplasty (p = 0.003). Conclusions A majority of patients with proximal humeral fractures underwent non-operative treatment. There was a relatively high all-cause in-hospital mortality irrespective of treatment. Given the recent debate on operative versus non-operative treatment for proximal humeral fractures, our study provides valuable information on the need for revision surgery after initial treatment. The differences in rates of revision surgery between patients treated non-operatively, with ORIF, and with arthroplasty were small in magnitude. At nine years of follow-up, ORIF had the lowest probability of needing follow-up surgery, and arthroplasty had the highest.
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Reverse shoulder arthroplasty for acute fractures in the elderly: is it worth reattaching the tuberosities? J Shoulder Elbow Surg 2019; 28:437-444. [PMID: 30573429 DOI: 10.1016/j.jse.2018.08.025] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 08/13/2018] [Accepted: 08/19/2018] [Indexed: 02/01/2023]
Abstract
HYPOTHESIS Reverse Shoulder Arthroplasty (RSA) may be indicated in displaced proximal humerus fractures in elderly patients. We hypothesized that tuberosity fixation and healing around the prosthesis would result in better outcomes and patient satisfaction. METHODS Thirty-eight acute displaced or dislocated 3- and 4-part fractures in elderly patients were treated with reattachment of the tuberosities around a RSA. The mean age at surgery was 80 ± 4 years (range, 70-88 years). A specific reverse fracture stem that incorporated a cancellous bone autograft (harvested from the fractured head) and a standardized suturing technique for tuberosity fixation were used in all operations. Patients were evaluated and radiographed with a minimum 2-year follow-up (mean 36 ± 8 months). RESULTS The tuberosity union rate was 84% (32 of 38). There were 4 tuberosity resorptions and 2 tuberosity migrations with nonunion, which were associated with significantly lower subjective results (Subjective Shoulder Value of 65% vs. 83%, P = .029) and lower active mobility in forward elevation (115° ± 26° vs. 141° ± 25°, P = .023) and external rotation (11° ± 12° vs. 27° ± 12°, P = .010). Among the 5 disappointed patients, 3 presented with tuberosity resorption and 2 with tuberosity migration and nonunion. CONCLUSIONS Despite the advanced age of the patients, tuberosity reattachment and use of bone graft results in a high rate of tuberosity healing. Tuberosity reconstruction and healing in reverse shoulder arthroplasty for fractures improves active forward elevation, external rotation, and patient satisfaction.
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Detection of Intra-Articular Screw Penetration of Proximal Humerus Fractures: Is Postoperative Computed Tomography the Necessary Imaging Modality? Acad Radiol 2019; 26:257-263. [PMID: 29269182 DOI: 10.1016/j.acra.2017.10.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Revised: 10/26/2017] [Accepted: 10/27/2017] [Indexed: 12/24/2022]
Abstract
RATIONALE AND OBJECTIVE Screw penetration is the common complication of proximal humerus fractures treated with locking plates. This study compared postoperative plain radiography to computed tomography (CT) for their abilities in determining screw penetration, and was to evaluate whether advanced imaging modalities (two-dimensional [2D] CT; three-dimensional [3D] CT) could increase surgeons' level of confidence regarding their diagnoses. MATERIALS AND METHODS Two observers reviewed radiological images of 134 patients who sustained proximal humerus fractures treated with locking plates. The observers were asked to answer two questions: (1) Is there screw penetrating into glenohumeral joint for this patient (Yes/No)? and (2) On a scale from 0 to 10, how confident are you about this diagnosis: (0-10) (0 = not at all confident; 10 = very confident)? Three evaluations were performed: (1) plain radiography alone, (2) radiography and 2D CT 4 weeks later, and (3) radiography in combination with 2D and 3D CT after that. This process was then repeated for intraobserver analysis. RESULTS CT obtained almost perfect interobserver and intraobserver agreement (0.818-0.961), which was higher than radiography (0.377-0.655). For incidence of screw penetration, the significant difference was found between radiographs and CT images (P< .0125), but not between 2D and 3D CT images (P > .05). For confidence of diagnosis, the differences between imaging modalities were significant (all P< .001). CONCLUSIONS We suggest that postoperative CT scans (especially 3D CT images) should be used to evaluate the intra-articular screw penetration of proximal humerus fractures, especially when surgeons have not enough confidence in determining screw penetration using radiography alone.
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How the greater tuberosity affects clinical outcomes after reverse shoulder arthroplasty for proximal humeral fractures. J Shoulder Elbow Surg 2018; 27:2139-2144. [PMID: 30082121 DOI: 10.1016/j.jse.2018.05.030] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Revised: 05/18/2018] [Accepted: 05/21/2018] [Indexed: 02/01/2023]
Abstract
BACKGROUND Our purpose was to evaluate the clinical and radiologic outcomes of reverse shoulder arthroplasty for proximal humeral fractures in a large cohort of elderly patients and compare the results in the case of tuberosity excision, failed fixation, or anatomic healing. METHODS In this retrospective multicenter study, 420 patients underwent review and radiography with a minimum follow-up period of 12 months. The patients were divided into 3 groups according to the status of the greater tuberosity (GT) on the last anteroposterior radiographs: anatomic GT healing (group A, n = 169); GT resorption, malunion, or nonunion (group B, n = 131); and GT excision (group C, n = 120). Complications were recorded; shoulder function, active mobility, and subjective results were assessed. RESULTS At a mean follow-up of 28 months, the mean Simple Shoulder Value in group A (75%) outperformed the results found in groups B (69%, P < .001) and C (56%, P < .001). Overall, the mean adjusted Constant-Murley score was significantly higher in group A (93% ± 22%) than in group B (82% ± 22%) and group C (80% ± 24%) (P < .001), but there was no difference between groups B and C (P = .88). Anterior active elevation and external rotation were significantly better in group A than in groups B and C (P < .001). The instability rate was significantly higher in group C (n = 15 [12.5%], P < .001) than in group A (n = 2) or group B (n = 3). CONCLUSION In elderly patients who have undergone a reverse shoulder arthroplasty for acute proximal humeral fractures, anatomic tuberosity healing improves objective and subjective outcomes. GT excision is associated with the worst functional results and increases the risk of postoperative shoulder instability.
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Serial changes in the head-shaft angle of proximal humeral fractures treated by placing locking plates: a retrospective study. BMC Musculoskelet Disord 2018; 19:420. [PMID: 30497479 PMCID: PMC6267827 DOI: 10.1186/s12891-018-2349-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 11/19/2018] [Indexed: 11/24/2022] Open
Abstract
Background Although the proximal humeral fractures (PHFs) treated with locking plate have been well applied, there are few studies concerning on the serial HSA changes after locking plate placement. The purpose of this retrospective study was to explored the clinical significance of serial HSA changes after surgery. Methods We retrospectively analyzed the clinical data of 122 patients between January 2012 to December 2016 in our hospital. The serial change of the HSA and Neer’s score of 122 patients were recorded and analyzed. Then, we evaluated the HSA changes affected functional recovery in conjunction with medial support (MS). Moreover, multivariable linear regression analysis was performed to identify any potential confounding factors that may influence functional recovery. Results Of 146 patients, 122 (50 males and 72 females) patients were finally enrolled in our study. Our preliminary data suggested that the most decrease of HSA occurred in the period of 1 to 3 months (p < 0.001) postoperatively, and functional recovery was significantly related with the change of HSA (R2 = 0.647, p < 0.001). The presence of MS plays an important role in maintaining postoperative HSA and restoring function. Moreover, Neer type 4 fracture, the difference between the postoperative HSA (on the injured side) and that of the uninjured side (the ΔHSA), and the HSA change to the end of follow-up were all significantly associated with functional recovery. Conclusions Serial HSA changes were evident in PHF patients in whom locking plates had been inserted; it is essential to maintain reduction for 1–3 months postoperatively. MS is important in this context and surgeons must maximally restore MS. Furthermore, the functional outcome tended to improve when the HSA of the injured side was restored to a value close to that of the uninjured side.
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