Notes

The particular myodural bridge known as occipital-dural muscle tissue in the narrow-ridged finless porpoise (Neophocaena asiaeorientalis).
Notably, if slow wave sleep disruption seems to be related to frontal amyloid deposition, the brain correlates of sleep-disordered breathing and REM sleep disruption remain unclear. Moreover, sleep parameters associated with tau- and FDG-PET imaging are largely unexplored. Lastly, whether sleep disruption is a cause or a consequence of brain alterations remains an open question.
Success of superior capsule reconstruction (SCR) using both fascia lata (FL) and human acellular dermal (ACD) allografts have been reported. One possible explanation for a discrepancy in outcomes may be attributed to graft thickness. SCR with commercially available 3-mm-thick ACD allograft is not biomechanically equivalent to FL. Our hypothesis was that SCR with a single 6-mm-thick ACD allograft will restore the subacromial space distance (SubDist) and peak subacromial contact pressures (PSCPs) to intact shoulder and will be comparable to SCR with an 8-mm FL allograft.

Eight cadaveric shoulders were tested in 4 conditions intact, irreparable supraspinatus tear (SST), SCR FL allograft (8-mm-thick), and SCR single ACD allograft (6-mm-thick). SubDist and PSCP were measured at 0°, 30°, and 60° of glenohumeral abduction in the scapular plane. Parameters were compared using a repeated measures analysis of variance with Tukey post hoc test, and graft dimensions were compared using a Student t test.

SST had decreased SubDist (P < .05) and increased PSCP (P < .05) compared with the intact state. At all angles, the SCR ACD allograft demonstrated increased SubDist compared with the tear condition (P < .001), with no difference between grafts. TPNQ Furthermore, there was decreased PSCP after both ACD and FL SCR compared with the intact condition, with no difference between grafts at 0° (P = .006, P = .028) and 60° abduction (P = .026, P = .013). Both ACD and FL grafts elongated during testing.

Our results suggest SCR with a single 6-mm-thick ACD allograft is noninferior to FL regarding SubDist and PSCP while completely restoring the superior stability of the glenohumeral joint compared with the intact state.
Our results suggest SCR with a single 6-mm-thick ACD allograft is noninferior to FL regarding SubDist and PSCP while completely restoring the superior stability of the glenohumeral joint compared with the intact state.
Postoperative rehabilitation is considered essential and indeed routine practice following rTSA. However, the optimal approach to postoperative rehabilitation is unknown, based on protocols for anatomic TSA, and published literature is sparse, as is the quantity and quality of research evidence. The aim of this study is to outline the accelerated rehabilitation protocol (with immediate activity and no immobilization at all) following reverse total shoulder arthroplasty (rTSA) and assess its safety and effectiveness compared to the more conservative rehabilitation protocols of immobilization in a sling for 6 weeks and for 3 weeks.

Between July 2005 and October 2017, a total of 357 consecutive rTSA in 320 patients underwent a primary rTSA and were included in the study. Patients were divided into 3 groups depending on rehabilitation protocol (6 and 3 weeks' postoperative immobilization, respectively, for groups 1 and 2, and no immobilization for group 3). Patients were assessed preoperatively and reviewed at rTSA have further psychological and emotional advantage to the patient, with earlier return to normal function and regaining independence. We recommend the accelerated rehabilitation regime without immobilization following rTSA.
The purpose of this study was to systematically review the literature to evaluate the functional outcomes, dislocation, and revision rates following total elbow arthroplasty (TEA) at a minimum 10 years' mean follow-up.

Two independent reviewers performed a literature search using the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines using PubMed, Embase, and Cochrane Library databases. Studies were only included if they focused on outcomes post-TEA at a minimum 10 years' mean follow-up.

Our search found 23 studies including 1429 elbows (60.4% linked TEA) that met our inclusion criteria. There were 1276 patients (79.0% female), with an average age of 64.7 years (19-93) and a mean follow-up of 137.2 months (120-216). At final follow-up, the mean Mayo Elbow Performance Score, Oxford Elbow Score, and Quick Disabilities of the Arm, Shoulder, and Hand scores were 89.1 (35-100), 64.4 (16-48), and 39.2 (3-93), respectively, and 63.3% of patients reported having no pain. The rates of aseptic loosening, infection, implant dislocation, and nerve injury were 12.9%, 3.3%, 4.2%, and 2.1%, respectively. The overall complication and revision rates were 16.3% and 14.6%, respectively.

Our systematic review established that TEA offers patients satisfactory clinical outcomes at long-term follow-up, with relatively stable revision and complication rates compared to short and medium term.
Our systematic review established that TEA offers patients satisfactory clinical outcomes at long-term follow-up, with relatively stable revision and complication rates compared to short and medium term.
There has been increasing recognition of the importance for standardized postoperative rehabilitation protocols. Despite published guidelines in 2016 by the American Society of Shoulder and Elbow Therapists (ASSET), optimal postoperative rehabilitation after rotator cuff repair (RCR) remains an area of active academic debate. The goals of this study were (1) to assess the variability of RCR rehabilitation protocols published online, (2) to study the congruence between online RCR rehabilitation protocols and the ASSET consensus statement, and (3) to identify differences in online RCR rehabilitation protocols from before and after2016.

A web-based search was conducted for publicly available RCR rehabilitation protocols from websites of all Accreditation Council for Graduate Medical Education (ACGME) academic orthopedic institutions. A supplemental 10-page Google search was also performed with the search terms "rotator cuff repair rehabilitation protocol." Collected protocols were grouped by tear size (small/medium or large/massive) and examined for information relating to the following categories protocol demographics, adjunctive therapy use, immobilization/range of motion, and strengthening.
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