Imprecise measures of ovulation obscure the relationship between women's sexuality and the menstrual cycle, as does studying women with different contraceptive goals in different social contexts. Here we present a novel noninvasive method to precisely pinpoint the preovulatory surge of Luteinizing Hormone (LH), demarcating hormonally distinct cycle phases with greater than 95% reliability. Women were more sexually active on days prior to and including the preovulatory (LH) surge. This pattern was evident only when women initiated sexual activity and not when their partners did, indicating an increase in women's sexual motivation rather than attractiveness. A second study replicated the 6-day increase in sexual activity beginning 3 days before the LH surge, accompanied by stronger sexual desire and more sexual fantasies. We propose the term 'sexual phase' of the cycle, since follicular phase is over inclusive and ovulatory phase is not sufficient. These findings are striking because the women were avoiding pregnancy and were kept blind to the hypotheses, preventing expectation bias. The sexual phase was more robust in women with regular sexual partners, although the increase in sexual desire was just as great in nonpartnered women, who also reported feeling less lonely at this time. We use these results to evaluate potential neuroendocrine mechanisms underlying women's sexual motivation and activity.
Objectives: The objective of this study was to evaluate the association of emergency department (ED) crowding factors with the quality of pain care.Methods: This was a retrospective observational study of all adult patients ( ‡18 years) with conditions warranting pain care seen at an academic, urban, tertiary care ED from July 1 to July 31, 2005, and December 1 to December 31, 2005. Patients were included if they presented with a chief complaint of pain and a final ED diagnosis of a painful condition. Predictor ED crowding variables studied were 1) census, 2) number of admitted patients waiting for inpatient beds (boarders), and 3) number of boarders divided by ED census (boarding burden). The outcomes of interest were process of pain care measures: documentation of clinician pain assessment, medications ordered, and times of activities (e.g., arrival, assessment, ordering of medications).Results: A total of 1,068 patient visits were reviewed. Fewer patients received analgesic medication during periods of high census (>50th percentile; parameter estimate = -0.47; 95% confidence interval [CI] = -0.80 to -0.07). There was a direct correlation with total ED census and increased time to pain assessment (Spearman r = 0.33, p < 0.0001), time to analgesic medication ordering (r = 0.22, p < 0.0001), and time to analgesic medication administration (r = 0.25, p < 0.0001). There were significant delays (>1 hour) for pain assessment and the ordering and administration of analgesic medication during periods of high ED census and number of boarders, but not with boarding burden.Conclusions: ED crowding as measured by patient volume negatively impacts patient care. Greater numbers of patients in the ED, whether as total census or number of boarders, were associated with worse pain care.ACADEMIC EMERGENCY MEDICINE 2008; 15:1248-1255
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