Notes

A superior methodology pertaining to predicting protein-protein friendships involving individual and liver disease H virus by means of ensemble studying sets of rules.
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Level III, retrospective cohort study.
To establish a quantitative relationship between the Blackburne-Peel index and posterior tibial slope in both skeletally mature and skeletally immature individuals and to evaluate the rate at which variation in tibial slope influences changes in patellar height categorization as normal, patella alta, and patella baja.

A consecutive series of lateral knee radiographs were retrospectively reviewed. Radiographs were excluded for rotation, inadequate visible proximal tibia length, and obstructive hardware/pathology. Modified tibial slopes of 0°, 5°, 10°, and 15° were projected anteriorly from the medial tibial plateau as described by Blackburne-Peel. The Blackburne-Peel index was determined at each modified tibial slope interval. Caton-Deschamps and Insall-Salvati indices also were measured for comparison. The rate of Blackburne-Peel index change with increase in posterior tibial slope was quantitatively analyzed.

Fifty skeletally mature and 50 skeletally immature radiographs were included. In the skeletallically increased from 0° to 15°. When evaluating patellar height, it is important to understand how tibial slope affects the Blackburne-Peel Index measurement.

As posterior tibial slope increases, the numerator of the Blackburne-Peel ratio decreases, and vice versa. This relationship can lead to incorrect assessment of patellar height. Objectively placing individuals into patella alta and baja categories may influence patient care and decision making.
As posterior tibial slope increases, the numerator of the Blackburne-Peel ratio decreases, and vice versa. This relationship can lead to incorrect assessment of patellar height. Objectively placing individuals into patella alta and baja categories may influence patient care and decision making.
To correlate patient-reported outcomes (PROs) and minimal clinically important difference (MCID) achievement rates after hip arthroscopy for femoroacetabular impingement syndrome (FAI).

Patients with
linically diagnosed FAI who underwent primary hip arthroscopy from September 2012 to March 2014 with a minimum of 5-year outcomes were identified. Patients undergoing labral debridement, microfracture, bilateral procedures, with evidence of dysplasia, Tönnis grade >1, and joint space <2 mm were excluded. Analysis of variance was used to compare PROs. Survival rates were determined using Kaplan-Meier analysis. Regression analysis identified associations with modified Harris Hip Scores (mHHS), minimal clinically important difference (MCID) rates, and Nonarthritic Hip Scores (NAHS).

A total of 85 of 101 eligible consecutive patients (84% inclusion) (age 41.4 ± 14.0 years; 69% female, mean body mass index [BMI] 25.0 ± 4.2) met inclusion and exclusion criteria. Patients underwent labral repair (100%) and a combination of cam (86%) and pincer resection (99%). The 5-year survival-to-revision rate was 77% whereas 5-year survival rate to total hip arthroplasty was 94%. The 1-year (87.4 ± 13.6) and 5-year (84.5 ± 13.5) mHHS scores were greater versus preoperative scores (46.3 ± 11.3,
< .001). There was a decrease in MCID rate between 1-year (n= 74, 87%) and 5-year (n= 61, 73%,
= .019) outcomes. The 1-year (87.4 ± 12.7) and 5-year (89.2 ± 15.8) NAHS scores were greater versus preoperative scores (49.7 ± 12.7,
< .001). Regression demonstrated associations between BMI (MCID
= .033; NAHS
= .010), age (mHHS
= .031), and cam resection (mHHS
= .010) with 5-year outcomes.

There is a decline in MCID at 5-year follow-up after hip arthroscopy for FAI. Lower BMI, younger age, and cam resection are associated with positive outcomes. There is excellent index procedure survivability and excellent total hip arthroplasty prevention rate.

Level IV.
Level IV.
To quantitatively biomechanically assess superior stability, subacromial contact pressures, and glenohumeral kinematics of an in situ biceps tenodesis and a box-shaped long head of the biceps tendon (LHBT) superior capsule reconstruction (SCR) in a superior massive rotator cuff tear (MCT) model.

Eight cadaveric shoulders (mean age, 62 years; range, 46-70 years) were tested with a custom testing system used to evaluate range of motion, superior translation, and subacromial contact pressure at 0°, 20°, and 40° of abduction. Conditions tested included native state, MCT (complete supraspinatus and one-half of the infraspinatus), a box-shaped LHBT SCR, and an in situ biceps tenodesis. The box-shaped SCR was performed by maintaining the biceps origin, securing 2 corners to the greater tuberosity, and one corner to the posterior glenoid. The in situ tenodesis was performed anatomically at the top of the articular margin in the same shoulder after take-down of the box SCR.

Range of motion was not impaired with either repair construct (
> .05). The box SCR decreased superior translation by approximately 2 mm compared with the MCT at 0°, but translation remained greater compared with the intact state in nearly every testing position. The in situ tenodesis had no effect on superior translation. Peak subacromial contact pressure was increased in the MCT at 0° and 20° abduction compared with the native state but not different between the native and box SCR at the same positions.

A box-shaped SCR using the native biceps tendon partially restores increased superior translation and peak subacromial contact pressure due to MCT. The technique may have a role in augmentation of an irreparable MCT.

The box-shaped LHBT SCR technique may have a role in augmentation of an irreparable MCT.
The box-shaped LHBT SCR technique may have a role in augmentation of an irreparable MCT.
To evaluate the process of applying to orthopaedic sports medicine fellowships from the applicant's perspective, with a focus on number of program applications, interviews, interview day importance, and financial burden.

An anonymous electronic survey was distributed to all orthopaedic surgery residents who applied to orthopaedic sports medicine fellowships in the United States in 2016 and 2017. The survey contained 26 questions, with 10 pertaining to applicant demographics, accolades, and examination scores. A follow up e-mail was distributed at 2 and 4 weeks to increase participation.

The survey was distributed to 453 sports medicine fellowship applicants; 148 (34.1%) completed the survey. Of the respondents, 130 (87.8%) were male and 18 (12.2%) were female. When analyzing United States Medical Licensing Examination scores, respondents who scored above a 251 on Step 2 CK were more likely to receive more than 20 interviews compared with those who scored lower (
= .013). Eganelisib Previous collegiate or professional athlete status did not influence the number of interviews received.
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