Summary Background and objectives Recent studies suggest an overall association between chronic kidney disease (CKD) and periodontal disease, but it is unknown whether this association is similar across various subpopulations. Design, setting, participants, & measurements This study was a cross-sectional analysis of 2001 to 2004 National Health and Nutrition Examination Survey data. CKD was defined as a urinary albumin-to-creatinine ratio ≥30 mg/g or estimated GFR of 15 to 59 ml/min per 1.73 m2. Adjusted odds ratios were calculated using multivariable logistic regression with U.S. population-based weighting. Results These analyses included 6199 dentate adult participants (aged 21 to 75 years) with periodontal exams. The estimated prevalences of moderate/severe periodontal disease and CKD were 5.3% and 10.6%, respectively. Periodontal disease was associated with >2-fold higher risk of CKD that was moderately attenuated after adjustment for age, gender, race/ethnicity, tobacco use, hypertension, diabetes, educational attainment, poverty index ratio, and dental care use. There were no statistically significant interactions between periodontal disease and race/ethnicity, educational attainment, or poverty status. Less-than-recommended dental care use was associated with periodontal disease and CKD and was increasingly prevalent among nonwhites, lower educational attainment, and lower poverty status. Conclusions The association between periodontal disease and CKD is not significantly different among subgroups. However, because nonwhites, those with a lower educational level, and the poor less frequently report use of recommended dental care, the association between periodontal disease and kidney function over time may become stronger among these groups and warrants further investigation.

Background: Patient safety is a key target in public health, health services and medicine. Communication between all parties involved in gynecology and obstetrics (clinical staff/professionals, expectant mothers/patients and their partners, close relatives or friends providing social support) should be improved to ensure patient safety, including the avoidance of preventable adverse events (pAEs). Therefore, interventions including an app will be developed in this project through a participatory approach integrating two theoretical models. The interventions will be designed to support participants in their communication with each other and to overcome difficulties in everyday hospital life. The aim is to foster effective communication in order to reduce the frequency of pAEs. If communication is improved, clinical staff should show an increase in work satisfaction and patients should show an increase in patient satisfaction. Methods: The study will take place in two maternity clinics in Germany. In line with previous studies of complex interventions, it is divided into three interdependent phases. Each phase provides its own methods and data. Phase 1: Needs assessment and a training for staff (n = 140) tested in a pre-experimental study with a pre/post-design. Phase 2: Assessment of communication training for patients and their social support providers (n = 423) in a randomized controlled study. Phase 3: Assessment of an app supporting the communication between staff, patients, and their social support providers (n = 423) in a case-control study. The primary outcome is improvement of communication competencies. A range of other implementation outcomes will also be assessed (i.e. pAEs, patient/treatment satisfaction, work satisfaction, safety culture, training-related outcomes). Discussion: This is the first large intervention study on communication and patient safety in gynecology and obstetrics integrating two theoretical models that have not been applied to this setting. It is expected that the interventions, including the app, will improve communication practice which is linked to a lower probability of pAEs. The app will offer an effective and inexpensive way to promote effective communication independent of users' motivation. Insights gained from this study can inform other patient safety interventions and health policy developments.

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In several countries the suicide rate for psychiatric inpatients has increased more than that for admissions and suicides in the general population. This was also the case in our clinic. This hypothesis was tested: today, because of more liberal management, suicides are committed during hospitalization that in an earlier and more restrictive age would have taken place after discharge. All suicides taking place 1960-1979 in the clinic's main catchment area were examined for previous hospitalization. The hypothesis was not supported. Over twenty years neither the suicide cases nor all discharged patients changed significantly in distribution of age, sex, number of previous admissions, duration of hospitalization, or diagnosis. Therefore, none of these variables explain the increase. In both decades, on the other hand, patients that committed suicide during their stay at the clinic had been hospitalized longer; those that committed suicide within three months after discharge had been hospitalized for a shorter time than the sum of discharged patients. Among the suicides that occurred after discharge, the percentage of depressives and addicts was higher and the percentage of schizophrenic patients was smaller than among all discharged patients. A change in patient management (more time off, more working outside, more open wards) has preceded the increase in suicides; medical staff, however, has doubled over the decades considered here. Rising pressure for resocialization to avoid hospitalism may heighten suicidal behavior. Preventive measures are discussed.

In Western patients, free peritoneal tumor cells after gastrectomy with D2 lymphadenectomy for gastric cancer were detected only sporadically. Although based on few cases, the findings suggest that EIPL spreads tumor cells into the peritoneal cavity, thus being potentially harmful. Therefore, EIPL cannot be generally recommended.