Dose-Dense Chemotherapy Regimen for Breast Cancer Associated with Significant Decline in Ovarian Reserve.

Purpose: To determine the impact of dose-dense chemotherapy administration on ovarian reserve in women undergoing treatment for breast cancer. Patients and Methods: We conducted a retrospective cohort study of reproductive age women who underwent dose-dense chemotherapy regimens with doxorubicin hydrochloride and cyclophosphamide with or without paclitaxel for a new diagnosis of breast cancer. We compared pre- and post-treatment serum antimullerian hormone (AMH) levels and assessed changes in AMH over time. Results: Fifty-seven patients met inclusion criteria. Median pre-treatment AMH was 2.9 ng/mL, whereas post-treatment AMH was 0.1 ng/mL, demonstrating a dramatic reduction in AMH levels after treatment with a dose-dense regimen. This change was independent of age and was sustained over 12 months from treatment completion. Conclusions: Dose-dense chemotherapy regimens for breast cancer lead to marked and sustained decreases in AMH irrespective of patient age.

Evaluation of Hepatic Glucose Production in a Polycystic Ovary Syndrome Mouse Model.

Polycystic ovary syndrome (PCOS) is a common disease that results in disorders of glucose metabolism, such as insulin resistance and glucose intolerance. Dysregulated glucose metabolism is an important manifestation of the disease and is the key to its pathogenesis. Therefore, studies involving evaluation of glucose metabolism in PCOS are of utmost importance. Very few studies have quantified hepatic glucose production directly in PCOS models using non-radioactive glucose tracers. In this study, we discuss step-by-step instructions for the quantification of the rate of hepatic glucose production in a PCOS mouse model by measuring M+2 enrichment of [6,6-2H2]glucose, a stable isotopic glucose tracer, via gas chromatography - mass spectrometry (GCMS). This procedure involves creation of stable isotopic glucose tracer solution, use of tail vein catheter placement and infusion of the glucose tracer in both fasting and glucose-rich states in the same mouse in tandem. The enrichment of [6,6-2H2]glucose is measured using pentaacetate derivative in GCMS. This technique can be applied to a wide variety of studies involving direct measurement of the rate of hepatic glucose production.

The impact of COVID-19 on REI fellowship educational experience.

PURPOSE: To assess perceived deficiencies of reproductive endocrinology and infertility (REI) fellow education due to changes in care secondary to COVID-19. METHODS: This is a cross-sectional study performed in an academic setting. A survey was generated and administered to REI fellows and attendings practicing in programs across the United States. Descriptive statistics were used to quantify results regarding clinical volume, academic responsibilities, clinical safety, and fellowship education. RESULTS: The survey response rate was 23%. Eighty-four percent of respondents self-identified as fellows, and 16% identified as program directors or other REI academic instructors. Overall, the survey responses confirmed that the COVID-19 pandemic tremendously affected clinical volume, with 91% of participants reporting their clinical volume decreased by at least half. Although 67% of attendings believed that the changes related to COVID-19 have or will have significantly affected the clinical skills of fellows, 66% of fellows did not believe that their clinical training had been significantly impacted. Sixty-seven percent of fellows and 78% of attendings do not believe that changes related to COVID-19 will affect the ability of fellows to practice independently. CONCLUSION: Even though most attendings surveyed believed that the changes related to COVID-19 would affect the clinical skills of fellows, the cessation of clinical and research activities was short-lived, likely tempering the overall effect on clinical training. Overall, most respondents did not believe that the pandemic significantly affected fellow education.

Evaluation of Validity and Reliability of a Revised Incontinence-Associated Skin Damage Severity Instrument (IASD.D.2) by 3 Groups of Nursing Staff.

PURPOSE: The purpose of this study was to evaluate a revised version of the Incontinence-Associated Skin Damage Severity instrument (IASD.D.2) using 3 different groups of nursing staff. Revisions to the instrument included renumbering 1 body area where incontinence-associated dermatitis (IAD) occurs into 2 areas (right and left), which raised the total possible score from 52 to 56, and defining the borders of the body areas. DESIGN: Observational, evaluative design. SAMPLE AND SETTING: Five clinical experts certified in wound, ostomy, and/or continence (WOC) nursing evaluated content validity. Evaluators were attendees at the WOC Nurses (WOCN) Society 2014 conference, hospital nurses, and nursing staff at a nursing home. Evaluators were attendees at the WOCN Society's 2014 National Conference, hospital nurses at a community hospital with Magnet designation, and nursing staff at a skilled nursing home in the Midwestern United States. The evaluator group comprised 198 conference attendees (all nurses; age 53 ± 8.2 years, mean ± SD), 67 hospital nurses (age 37 ± 11 years), and 34 nursing home nursing staff (age 45 ±13.8 years). The majority of evaluators (>75%) in each of the groups were female. METHODS: Clinical experts evaluated the content validity of the revised instrument. Evaluators scored 5 to 9 photographic cases using the revised instrument. Four of the cases were scored by all evaluators. The agreement of case scores among all evaluators was analyzed to assess interrater reliability. The scores of evaluators grouped by evaluators' self-identified skin color or nursing experience (<10 years vs ≥10 years) were also tested for differences. To provide evidence for criterion validity, the agreement of evaluators' scores with experts' scores (considered a "gold standard" in this study) was analyzed. RESULTS: The agreement of the IASD.D.2 scores among all evaluators within each group ranged from 0.74 to 0.79, suggesting good interrater reliability. The agreement of each group of evaluators with the experts for all case scores ranged from 0.82 to 0.85, suggesting good criterion validity. There was no significant difference in scores by evaluators' skin color or nursing experience. CONCLUSION: The revised IASD.D.2 has good content and criterion validity and interrater reliability. The instrument has potential to standardize reporting of IAD severity in research and clinical practice and assist communication about IAD among nursing staff.

Incontinence Briefs Containing Spiral-Shaped Fiber Acidify Skin pH of Older Nursing Home Residents at Risk for Incontinence-Associated Dermatitis.

PURPOSE: The study's purpose was to assess the pH of the skin of older (aged ≥75 years) incontinent nursing home residents after exposure to an incontinence brief containing spiral-shaped fiber wet with an alkaline solution mimicking urine or fecal pH and compared to skin pH after exposure to an industry standard brief wet with the same solution and various controls. DESIGN: The design was experimental, as conditions were applied to skin and skin pH was measured in random order, and subjects served as their own controls. SETTING AND SUBJECTS: The setting was a Midwestern nonprofit nursing home. The sample was 26 nursing home residents; their mean age was 87 years (SD = 6 years); 77% were female. Most (69%) had urinary incontinence alone, and 31% had dual urinary and fecal incontinence. METHODS: Skin pH was measured in duplicate on 6 areas of the inner thighs and 6 areas of the volar surface of the forearms. Each area was exposed to 1 of 6 conditions applied in random order: an incontinence brief containing spiral-shaped fiber wet with an alkaline solution and one that was dry; a standard incontinence brief (without spiral-shaped fiber) wet with the same alkaline solution and one that was dry; the alkaline solution alone; and normal skin. RESULTS: On both the thighs and the forearms, skin pH was significantly lower (more acidic) after exposure to the incontinence brief containing spiral-shaped fiber wet with an alkaline solution compared to the wet standard brief and all other control conditions (P < .001). On thighs, the mean skin pH was 5.7 (SD = 0.5) after exposure to the wet brief with spiral-shaped fiber versus 6.4 (SD = 0.5) after exposure to the wet standard brief. On forearms, the mean skin pH was 5.3 (SD = 0.4) after exposure to the wet brief with spiral-shaped fiber versus 6.0 (SD = 0.4) after exposure to the wet standard brief. CONCLUSIONS: Incontinence briefs containing a spiral-shaped fiber significantly acidify the pH of the skin exposed to an alkaline solution, while industry standard briefs do not. Since alkaline skin pH is a risk factor for incontinence-associated dermatitis (IAD), results suggest that briefs with spiral-shaped fiber may help prevent IAD. Findings encourage further research.