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communication were frequent factors in adverse opioid events and should be a focus for future prevention.

Errors in prescribing and administration of opioid medication can result in significant harm. MLN0128 A lack of standardized opioid administration practices and training, controlled substance policies, and interdisciplinary communication were frequent factors in adverse opioid events and should be a focus for future prevention.

Chronic thromboembolic pulmonary hypertension (CTEPH) is a form of pulmonary embolism, and pulmonary endarterectomy (PEA) is the surgical treatment. Asymmetric dimethylarginine (ADMA) levels are increased in pulmonary hypertension. This study aimed to investigate serum ADMA levels in patients with CTEPH, the effect of PEA on ADMA, and its prognostic value in long-term mortality.

Eighty (80) patients with CTEPH and 32 healthy controls were included. Preoperative serum ADMA levels, determined using an enzyme-linked immunosorbent assay, were compared between patients with CTEPH and controls. Of 80 patients, 64 had PEA. Pre- and 6-month postoperative serum ADMA levels, 6-minute walk distance (6MWD), and haemodynamic parameters were collected from patients undergoing PEA. Patients were followed-up for survival analysis.

Mean ± standard deviation serum ADMA levels were significantly higher in patients with CTEPH compared with controls (0.79±0.32 μmol/L vs 0.52±0.12 μmol/L; p=0.0001). Statistically significantative serum ADMA levels may be useful for estimating the outcome of PEA.

Indoor and outdoor mould exposure can affect respiratory symptoms, but its contribution to COPD outcomes such as exacerbation rates or antibiotics courses is not well defined. Some patients with COPD develop chronic pulmonary aspergillosis (CPA), but the contribution of environmental exposure is not known.

We correlated activities or exposures related to mould with COPD outcomes in patients with COPD with or without CPA using a questionnaire.

One hundred and forty patients were included and 60 had CPA in addition to COPD. Seventy-six were male and mean age was 66.9 years (range 40-87). Thirty-nine (28%) were active cigarette smokers. On multivariate analysis, occupational contact with agricultural resources (p=0.017), vacuuming once weekly or more often (p=0.026) and not asking visitors to remove shoes on home entry (p=0.035) were significantly more common in participants reporting ≥4 office visits for COPD symptoms in the last year. Living within one mile of industrial composting sites (p=0.013), vacuuming once weekly or more often (p=0.016) and not asking visitors to remove shoes on home entry (p=0.028) were significantly more common in participants reporting ≥4 antibiotics courses in the last year. Patients with CPA showed a trend for residence within one mile of farms or agricultural areas (P=0.088, OR 2, 95% CI 0.9-4.4).

Activities potentially leading to mould exposure were common in a population with COPD with or without CPA and were associated with adverse COPD outcomes. Environmental mould exposure may play a role in the development of CPA in patients with COPD.

Activities potentially leading to mould exposure were common in a population with COPD with or without CPA and were associated with adverse COPD outcomes. Environmental mould exposure may play a role in the development of CPA in patients with COPD.

The use of sentinel lymph node dissection in several cancers has been gaining attention with the emergence of indocyanine green fluorescence. We performed a meta-analysis to assess the diagnostic performance of indocyanine green fluorescence in detecting lymph node metastasis in prostate cancer patients.

A literature search was conducted using PubMed, Cochrane Library, and SCOPUS on November 30, 2020, to identify eligible studies. Studies were eligible if they investigated the diagnostic performance of indocyanine green fluorescence before pelvic lymph node dissection in prostate cancer patients and reported the number of true positives, false positives, false negatives, and true negatives on lymph node-based analysis in comparison to histopathologic findings in the dissected specimen.

Our systematic review covered 11 studies published between 2011 and 2020, with 519 patients, and our meta-analysis included 9 studies with 479 patients. Based on lymph node analysis of indocyanine green fluorescence, the d in ordinary dissection.

Managing pathologically node positive (pN+) prostate cancer (PCa) is controversial. We describe temporal patterns and predictors of pN+ PCa in men with initially surgically managed clinically node negative (cN-) PCa.

This observational retrospective analysis of nonmetastatic, cN- PCa uses the National Cancer Database. Multivariable logistic regression was used to identify covariates associated with pN+ disease. Cox proportional hazards modeling and Kaplan-Meier analysis were used to evaluate survival patients undergoing radical prostatectomy with or without pelvic lymph node dissection (PLND).

The rates of radical prostatectomy in men with grade group (GG) 4 and GG5 increased from 47.6% to 53.1% and from 42.5% to 49.5%, respectively. The annual rate increased from 2.02% in 2010 to 5.12% in 2017 (P < .001). The annual rates of PLND increased from 54.3% to 71.7%. The most significant predictor of pN+ PCa was ISUP GG4 (odds ratio [OR] 12.5, P< .001) and GG 5 (OR 26.2, P < .001). Rates of pN+ identification increased from 5.5% to 9.4% in men with GG4 and from 13.4% to 19.5% in men with GG5 (P< .001). In GG4 and GG5, patients undergoing PLND had superior survival to those managed without PLND (P < .01).

Among patients with cN- PCa, the diagnosis of pN+ PCa has become more common over time. GG4 and GG5 are the strongest independent predictors of pN+ disease. Because incidental pN+ results in upstaging these data are useful for informing discussions before radical prostatectomy.

Among patients with cN- PCa, the diagnosis of pN+ PCa has become more common over time. GG4 and GG5 are the strongest independent predictors of pN+ disease. Because incidental pN+ results in upstaging these data are useful for informing discussions before radical prostatectomy.