Notes

MSI-WES: a simple method for microsatellite instability screening making use of entire exome sequencing.
Patients undergoing total joint arthroplasty (TJA) following septic arthritis are at higher risk for developing periprosthetic joint infection (PJI). Minimal literature is available to guide surgeons on the optimal timing of TJA after completing treatment for prior native joint septic arthritis. This multicenter study aimed to determine the optimal timing of TJA after prior septic arthritis and to examine the role of preoperative serology in predicting patients at risk for developing PJI.

A total of 207 TJAs were performed after prior septic arthritis from 2000 to 2017 at 5 institutions. Laboratory values, prior treatment, time from the initial infection, and other variables were recorded. Bivariate analyses were performed to identify the association between the time from septic arthritis to TJA and the risk of developing subsequent PJI. A subanalysis was performed between patients who underwent TJA in 1 setting (n = 97) compared with those who underwent 2-stage arthroplasties (n = 110). Receiver operatiniod between septic arthritis treatment and subsequent TJA; thus, delaying a surgical procedure does not appear to reduce the risk of PJI.

Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.
Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.
Synovial fluid bacterial culture is the cornerstone of confirmation or exclusion of periprosthetic joint infection (PJI). The aim of this study was to assess synovial fluid and serum biomarker patterns of patients with total joint arthroplasty (TJA), and the association of these patterns with PJI.

Synovial fluid and serum samples were collected from 35 patients who were admitted to the Arthroplasty Unit of the Department of Orthopaedics and Traumatology at Turku University Hospital. Of the 25 patients who were included in the study, 10 healthy patients with an elective TJA for osteoarthritis served as the control group, and 15 patients who were admitted due to clinical suspicion of PJI with local redness, swelling, wound drainage, pain, and/or fever and who had a positive synovial fluid bacterial culture served as the study group. Logistic regression was used to assess the ability of 37 biomarkers (including cytokines, chemokines, and growth factors) with commercially available tests to detect PJIs.

In tions for Authors for a complete description of levels of evidence.
Diagnostic Level II. See Instructions for Authors for a complete description of levels of evidence.
Klinefelter Syndrome (KS) is the most frequent sex chromosome disorder in males. Due to hypergonadotropic hypogonadism, treatment with testosterone replacement therapy (TRT) is commonly indicated. There are no international guidelines for the most appropriate TRT in KS.

We aimed to evaluate how different routes of testosterone administration impact testosterone-responsive variables, as well as the development of later metabolic diseases and other complications.

We conducted a retrospective study covering 5 years from 2015 to 2020. Data on TRT, biochemical parameters, bone mineral density (BMD), medications, comorbidity, and karyotyping were derived from electronic patient records and The Danish Cytogenetic Register.

A total of 147 KS males were included 81 received injection TRT, 61 received transdermal TRT, and 5 did not receive TRT. HO-3867 Testosterone levels were similar in the 2 TRT groups (
 = 0.9), while luteinizing hormone and follicle-stimulating hormone levels were higher in the group receiving traon resulting in the highest degree of adhesion to treatment based on individual patient preferences. Implementation of shared decision-making with patients may be important when choosing TRT.
Brain tumors, including pituitary adenomas (PA), cause anxiety and distress, with a high unmet need for information correlating with increased anxiety. Condition-specific education may alleviate anxiety. We explored patients' experience around the diagnosis of a PA and piloted a patient education intervention to address peridiagnostic anxiety in adults diagnosed with PA.

Anxiety, patient satisfaction, patient knowledge, and need for information were measured prior to, immediately after, and 1 month following the appointment in this multimethods study. A phone interview to explore patient diagnostic and intervention experiences was analyzed using qualitative methods.

A total of 17 patients participated in the study; 15 completed the interview. The baseline need for information was high. Disease-specific anxiety decreased, and patient knowledge and satisfaction increased significantly after the initial visit. Interview analysis identified 3 main themes (1) the importance of communication; (2) the need for information; and (3) the impact of the diagnosis on patient experience.

For patients with newly diagnosed PA, the diagnostic experience was associated with high levels of anxiety. Patients expressed a need for information. Information delivery reduced anxiety and had a positive impact on patient satisfaction.

The study findings suggest a need for a streamlined diagnostic process with readily accessible information.
The study findings suggest a need for a streamlined diagnostic process with readily accessible information.Polycystic ovary syndrome (PCOS) is a common and heterogeneous disorder; however, the etiology and pathogenesis of PCOS are poorly understood and current management is symptom-based. Defining the pathogenesis of PCOS traits is important for developing early PCOS detection markers and new treatment strategies. Hyperandrogenism is a defining characteristic of PCOS, and studies support a role for androgen-driven actions in the development of PCOS. Therefore, we aimed to determine the temporal pattern of development of PCOS features in a well-characterized dihydrotestosterone (DHT)-induced PCOS mouse model after 2, 4, and 8 weeks of DHT exposure. Following 2 weeks of treatment, DHT induced the key PCOS reproductive features of acyclicity, anovulation, and multifollicular ovaries as well as a decrease in large antral follicle health. DHT-treated mice displayed the metabolic PCOS characteristics of increased body weight and exhibited increased visceral adiposity after 8 weeks of DHT treatment. DHT treatment also led to an increase in circulating cholesterol after 2 weeks of exposure and had an overall effect on fasting glucose levels, but not triglycerides, aspartate transaminase (AST) and alanine transaminase (ALT) levels, or hepatic steatosis.
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