Background:The inferior glenohumeral ligament, the most important static anterior stabilizer of the shoulder, becomes disrupted in humeral avulsion of the glenohumeral ligament (HAGL) lesions. Unfortunately, HAGL lesions commonly go unrecognized. A missed HAGL during an index operation to treat anterior shoulder instability may lead to persistent instability. Currently, there are no large studies describing the indications for surgical repair or the outcomes of patients with HAGL lesions.Purpose:To search the literature to identify surgical indications for the treatment of HAGL lesions and discuss reported outcomes.Study Design:Systematic review; Level of evidence, 4.Methods:Two reviewers completed a comprehensive literature search of 3 online databases (MEDLINE, EMBASE, and Cochrane Library) from inception until May 25, 2016, using the keywords “humeral avulsion of the glenohumeral ligament” or “HAGL” to generate a broad search. Systematic screening of eligible studies was undertaken in duplicate. Abstracted data were organized in table format, with descriptive statistics presented.Results:After screening, 18 studies comprising 118 patients were found that described surgical intervention and outcomes for HAGL lesions. The mean patient was 22 years (range, 12-50 years), and 82% were male. Sports injuries represented 72% of all HAGL injuries. The main surgical indication was primary anterior instability, followed by pain and failed nonoperative management. Commonly associated injuries in patients with identified HAGL lesions included a Bankart lesion (15%), Hill-Sachs lesions (13%), and glenoid bone loss (7%). Reporting of outcome scores varied among the included studies. Meta-analysis was not possible, but all included studies reported significantly improved postoperative stability and function. There were no demonstrated differences in outcomes for patients treated with open versus arthroscopic surgical techniques. All but 2 patients undergoing operative management for HAGL lesions were able to return to sport at their previous levels; these included Olympians and professional athletes.Conclusion:HAGL lesions typically occur in younger male patients and are often associated with Bankart lesions and bone loss. Open and arthroscopic management techniques are both effective in preventing recurrent instability.
Background Excision of bone tumors and endoprosthetic reconstruction allow patients early weightbearing and a potential functional advantage compared with amputation. These reconstructions do not restore the limb to normal status, however, and patients are subject to complications that may result in revision or loss of the limb. Because better understanding of these complications based on current information might help the patient and surgeon in decision-making, we undertook a systematic review of studies published on this topic. Questions/purposes (1) What are the primary modes and proportion of failure of tumor endoprostheses in patients undergoing reconstruction after excision of primary extremity bone sarcomas? Methods We systematically searched MEDLINE, Embase, and the Cochrane Library for all studies published from April 15, 1998, to April 15, 2018. Three reviewers independently reviewed studies reporting endoprosthetic reconstruction survival and events requiring revision for primary extremity bone tumors treated with endoprosthetic reconstruction for inclusion and performed independent data extraction. We excluded all studies with fewer than five patients, any systematic review/meta-analyses, and any study not reporting on primary extremity bone tumors. All discrepancies were resolved by the study's senior author. Data extracted from included studies were any reoperation event for wound dehiscence, any operative fixation for a pathologic fracture, and any revision of the primary endoprosthesis for implant wear or breakage, deep infection not amenable to prosthesis retention, or for local recurrence. We assessed the overall quality of the evidence with the Methodological Index for Non-Randomized Studies (MINORS) approach with a higher MINORS score representative of a more methodologically rigorous study with a total possible score of 16 points for noncomparative and 24 points for comparative studies. Forty-nine studies met criteria for inclusion from an initial search return of 904 studies, of which no studies were randomized controlled trials. From a total patient population of 2721, there was a mean followup of 93 months (range, 1-516 months) with loss to followup or death occurring in 447 of 2118 (21%) patients with six studies not providing loss to followup data. The mean MINORS score was 14 for prospective studies and 11 for retrospective studies.
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