Notes

Affiliation in between time to therapeutic INR and duration of remain pursuing mechanical center valve surgical procedure.
07±0.77) pre-injection to 0.4 LogMAR (0.43±0.53) at 6 months, lesion size decreased by 51%, and macular thickness decreased by 78μm over the follow-up period.

Intravitreal clindamycin injections are safe and effective for the treatment of TRC. They offer an alternative in patients with allergies, side effects or inadequate response to classic oral therapy.
Intravitreal clindamycin injections are safe and effective for the treatment of TRC. They offer an alternative in patients with allergies, side effects or inadequate response to classic oral therapy.
On December 20, 2020, the Centers for Medicare and Medicaid Services (CMS) finalized its proposed rule CMS-1734-P. This 2021 Final Rule significantly changed Medicare total joint arthroplasty (TJA) reimbursement. CB-5339 concentration The precise impact on surgeon productivity and reimbursement is unknown. In the present study, we sought to model the potential impact of these changes for multiple unique practice configurations.

A mathematical model was applied to CMS data to determine the impact of CMS-1734-F on multiple, theoretical TJA practice configurations. Variables tested were the annual percentage of revision vs primary arthroplasty cases performed and the annual percentage of operative vs office-based productivity. The model defined baseline annual surgeon productivity as the 2018 Medical Group Management Association hip and knee arthroplasty surgeon median productivity of 10,568 work relative value units (wRVUs).

All modeled simulations demonstrated a year-to-year increase in wRVUs independent of practice configurat of CMS-1734-F will vary based on 3 factors (1) the relative contribution of a surgeon's operative TJA practice compared with their office-based practice to their annual wRVUs; (2) the relative percentage of revision TJAs vs the percentage of primary TJAs performed; and (3) the relative percentage of primary TJA compared to non-arthroplasty surgeries as a component of overall operative practice. The decreased reimbursement will be disproportionately felt by arthroplasty surgeons who perform relatively fewer revision TJA procedures and whose office-based productivity makes up a smaller overall percentage of their annual workload.
Although preoperative opioid use has been associated with poor postoperative patient-reported outcome measures and delayed return to work in patients undergoing total joint arthroplasty, direct surgery-related complications in patients on chronic opioids are still not clear. Thus, we sought to perform a systematic review of the literature to evaluate the influence of preoperative opioid use on postoperative complications and revision following primary total joint arthroplasty.

Following the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement, we queried PubMed, EMBASE, the Cochrane Library, and the ISI Web of Science for studies investigating the influence of preoperative opioid use on postoperative complications following total hip arthroplasty and total knee arthroplasty up to May2020.

After applying exclusion criteria, 10 studies were included in the analysis which represented 87,165 opioid users (OU) and 5,214,010 nonopioid users (NOU). The overall revision rate in the OU group was 4.79% (3846 of 80,303 patients) compared to 1.21% in the NOU group (43,719 of 3,613,211 patients). There was a higher risk of aseptic loosening (odds ratio [OR] 1.30, 95% confidence interval [CI] 1.11-1.53, P= .002), periprosthetic fractures (OR 1.89, 95% CI 1.53-2.34, P < .00001), and dislocations (OR 1.26, 95% CI 1.14-1.39, P < .00001) in the OU group compared to the NOU group. Overall, 5 of 6 studies reporting on periprosthetic joint infection (PJI) rates showed statistically significant correlation between preoperative opioid use and higher PJI rates.

There is strong evidence that preoperative opioid use is associated with a higher overall revision rate for aseptic loosening, periprosthetic fractures, and dislocation, and an increased risk for PJI.

Level III, systematic review.
Level III, systematic review.
An upcoming total joint arthroplasty (TJA) may motivate patients with severe obesity (body mass index [BMI] > 40 kg/m
) to lose weight. Weight loss can optimize outcomes following TJA, and many surgeons use a 40 kg/m
cut-off for undergoing TJA to reduce the risk of complications. However, few patients who are denied TJA for severe obesity successfully lose weight. This is the first systematic review of nonsurgical weight loss interventions before TJA.

Five electronic databases were searched for articles on January 11, 2021. Studies that utilized preoperative nonsurgical weight loss interventions for patients with obesity (BMI ≥ 30 kg/m
) scheduled for or awaiting TJA of the hip or knee were included. Two reviewers independently screened articles, assessed methodological quality, and extracted data.

We retrieved 1943 unique records, of which 7 met inclusion criteria including 2 randomized clinical trials and 5 single-arm case series. Overall, weight loss ranged from 5.0 to 32.5 kg. Four interventiefore TJA produce both statistically significant weight loss and reduced BMI before surgery. It remains unknown if the amount of weight loss from these interventions is clinically significant and sufficient to improve outcomes after TJA.
This study investigated the influence of facility volume on long-term survival in patients with esophageal cancer treated with esophagectomy.

Patients treated with esophagectomy for cT1 3N0 3M0 adenocarcinoma or squamous cell carcinoma of the mid-distal esophagus in the National Cancer Database between 2006 and 2013 were stratified by annual facility esophagectomy volume dichotomized as more/less than both 6 and 20. Patient characteristics associated with facility volume were evaluated using logistic regression, and the influence of facility volume on survival was evaluated with Kaplan-Meier curves, Cox proportional hazards methods, and propensity matched analysis.

Of 11,739 patients who had esophagectomy at 1018 facilities where annual volume ranged from 1 to 47.6 cases, 4262 (36.3%) were treated at 44 facilities with annual esophagectomy volume>6 and 1515 (12.9%) were treated at 7 facilities with annual volume>20. Higher volume was associated with significantly better 5-year survival for both annual volume > 6 (47.
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