Evaluation of a Persian version of the Adelaide driving self-efficacy scale among Iranian older adults.

OBJECTIVE: Our aim in the present study was to estimate the psychometric properties of the full-length Adelaide driving self-efficacy scale (ADSES) for use among community-based resident older adults in Tehran, Iran. METHODS: We recruited older adults (60+ years) from various sampling units nested in the Tehran district's general urban population (20 subjects/questionnaire-item). The questionnaire was translated and back-translated by using recommended pathways. Multiple forms of validity and reliability, including Cronbach alpha, were estimated. Also, we measured intra-class correlation coefficient, and did confirmatory factor analysis (CFA). RESULTS: A total of 243 participants (mean age: 65.8, 95%CI 65.4-66.3) met our inclusion criteria. For ADSES, the alpha coefficient was 0.77, the intraclass correlation coefficient was 0.97 (95% CI: 0.95-0.98), and the average item-test correlation was 0.67. Upon CFA, we found a 0.95 comparative fit index, a coefficient of determination = 92.6%, and standardized size of the residual = 0.04. CONCLUSION: Our Persian language ADSES was found to have adequate validity and factor structure parameters for evaluating driving self-efficacy among community-based older adults in a non-western context. Our questionnaire is an essential first step toward evaluating driving self-efficacy among older adults, especially where no such tool is available, to help develop driving self-efficacy as a healthy aging measure.

The Relationship between Nurses' Moral Sensitivity and Patients' Satisfaction with the Care Received in the Medical Wards.

Introduction: The quality of care affects patients' satisfaction. To provide high quality care, nurses face ethical challenges in daily practice. Moral sensitivity is the first phase in moral implementation. This study aimed to determine the relationship between nurses' moral sensitivity and patients' satisfaction in medical wards. Methods: In descriptive correlational study 198 nurses and 198 patients in 17 medical wards filled out the Moral Sensitivity Questionnaire (MSQ) and Patient Satisfaction with Nursing Care Quality Questionnaire (PSNCQQ), respectively. Nurses were sampled by the census method. For each nurse, a patient was selected randomly from the same ward. Data were analyzed using SPSS version 13. Results: The highest scores were in the dimensions of "relational orientation" and "following the rules", and the lowest scores were in the dimensions of "autonomy" and "experiencing moral conflicts". The highest level of patients' satisfaction was with "nurses' professional performance" 3.98 (1.09), and the lowest level was with "nurses' routine work" 2.69 (1.22). There was no significant relationship between the mean of patient satisfaction and moral sensitivity of nurses. Conclusion: Considering that nurses had a higher score in dimension of "following the rules" and a lower score in dimension of "autonomy", it seems ethical performance in the real situation is not merely due to the nurses' moral sensitivity and it seems the complexity of the organization causes nurses face difficulties in making decisions related to clinical practice; therefore, policy makers in the health system should be able to identify barriers.

Relationship between nurses' moral sensitivity and the quality of care.

BACKGROUND: To provide care with high quality, nurses face a number of moral issues requiring them to have moral abilities in professional performance. Moral sensitivity is the first step in moral performance. However, its relation to the quality of care patients receive is controversial. RESEARCH OBJECTIVE: This study aims to determine the relationship between the moral sensitivity of nurses and the quality of care received by patients in the medical wards. RESEARCH DESIGN: A descriptive correlational study using validated tools, including Moral Sensitivity Questionnaire and the Quality Patient Quality Scale. PARTICIPANTS AND RESEARCH CONTEXT: In total, 198 nurses and 198 patients in 17 medical wards of hospitals affiliated with Tabriz University of Medical Sciences, Iran. ETHICAL CONSIDERATIONS: The study was reviewed and approved by the Ethics Committee of Tabriz University of Medical Sciences. FINDINGS: The mean values of nurses' moral sensitivity and nurses' quality care were 136.47 ± 13.30 and 196.36 ± 44.10, respectively. There was no significant relationship between the patient care quality and nurses' moral sensitivity (r = -.14, p = .5). However, there was a significant inverse relationship between the dimension of "Experiencing moral conflicts" and the overall score of quality care (r = -.50, p = .04), the dimensions of "psychosocial (r = -.50, p = .04)" and "physical (r = -.50, p = .03)." CONCLUSION: Considering the significant inverse relationship between the score of patient quality care and the dimension of moral conflict experience, it seems when nurses make moral decisions, they experience a conflict between personal and professional values in their careers and thus experience moral tension. If this tension is not resolved properly, it can provide a way for them to distance themselves from patients, thereby making nurses indifferent to moral care.

Identifying Factors Associated with Functional Limitation Among Diabetic Patients in Northwest of Iran: Application of the Generalized Additive Model.

BACKGROUND: Functional limitation is one of the most important health - related concerns of diabetic patients. This study aimed to identify the factors associated with functional limitation among diabetic patients using generalized additive model (GAM) as a flexible technique to reveal the non - linear and non - monotonic association between the response and a set of independent variables. METHODS: The source data belonged to two cross - sectional studies conducted in 2014. A total of 694 people with type 2 diabetes in the age range of 31 - 70 years were selected via convenience sampling from diabetes clinics in Ardabil and Tabriz. The data were collected by interviewers using structured questionnaires and checklists. The functional capacity was measured using the physical functioning subscale of the Medical Outcomes Study Short Form 36 - Item Health Survey (SF36). Participants with a total functional capacity of less than 90 were considered to have "moderate or high level of functional limitation." To identify the factors associated with functional limitation and reveal the shape of associations, the GAM procedure with "logit" link function was applied to the dataset of 378 diabetic patients without any missing data by smoothening of the effect of underlying factors. The Akaike information criterion (AIC) as the relative quality of the model's criterion was computed for GAM and compared with AIC of the simple logistic regression. RESULTS: Sex (P = 0.029), age (P < 0.001), BMI (P = 0.029), and SBP (P = 0.04) were significant in the GAM. Moreover, age with a linear function (df = 0.98), BMI with quadratic function (df = 1.75), and SBP with the degree 1.33 were significantly related to functional capacity. AIC of the GAM was lower than that of the logistic model. CONCLUSIONS: In our sample, GAM could identify some linear and nonlinear associations between underlying factors and functional limitation in diabetic patients. These complex associations could relatively increase the fit quality of the GAM when compared to logistic regression.

Elimination of mouse tumor cells from neonate spermatogonial cells utilizing cisplatin-entrapped folic acid-conjugated poly(lactic-co-glycolic acid) nanoparticles in vitro.

BACKGROUND: Some male survivors of childhood cancer are suffering from azoospermia. In addition, spermatogonial stem cells (SSCs) are necessary for the improvement of spermatogenesis subsequent to exposure to cytotoxic agents such as cisplatin. OBJECTIVE: The aim of this study was to evaluate the anticancer activity of cisplatin-loaded folic acid-conjugated poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) on mouse malignant cell line (EL4) and SSCs in vitro. METHODS: SSCs were co-cultured with mouse malignant cell line (EL4) cells and divided into four culture groups: 1) control (cells were co-cultured in the culture medium), 2) co-cultured cells were treated with cisplatin (10 µg/mL), 3) co-cultured cells were treated with cisplatin-loaded folic acid-conjugated PLGA NPs, and 4) co-cultures were treated with folic acid-conjugated PLGA for 48 hours. The NPs were prepared, characterized, and targeted with folate. In vitro release characteristics, loading efficiency, and scanning electron microscopy and transmission electron microscopy images were studied. Cancer cells were assayed after treatment using flow cytometry and TUNEL assay. The co-cultures of SSCs and EL4 cells were injected into seminiferous tubules of the testes after treating with cis-diaminedichloroplatinum/PLGA NPs. RESULTS: The mean diameter of PLGA NPs ranged between 150 and 250 nm. The number of TUNEL-positive cells increased, and the expression of Bax and caspase-3 were upregulated in EL4 cells in Group 4 compared with Group 2. There was no pathological tumor in testes after transplantation with treated co-cultured cells. CONCLUSION: The PLGA NPs appeared to act as a promising carrier for cisplatin administration, which was consistent with a higher activation of apoptosis than free drug.

Cervical gland area as an ultrasound marker for prediction of preterm delivery: A cohort study.

BACKGROUND: Preterm labor is a major cause of perinatal morbidity and mortality and it might be predicted by assessing the cervical change. OBJECTIVE: To assess the association between absence of cervical gland area (CGA) and spontaneous preterm labor (SPTL). MATERIALS AND METHODS: This prospective cohort study was performed on 200 singleton pregnant women with a history of SPTL, second-trimester abortion in the previous pregnancy or lower abdominal pain in current pregnancy. Each patient underwent one transvaginal ultrasound examination between 14-28 wk of gestation. Cervical length was measured and CGA was identified and their relationship with SPTL before 35 and 37 wk gestation was evaluated using STATA software version 10. RESULTS: The mean of cervical length was 36.5 mm (SD=8.4), the shortest measurement was 9 mm, and the longest one was 61 mm. Short cervical length (≤18mm) was significantly associated with SPTL before 35 and 37 wk gestation.Cervical gland area (the hypoechogenic or echogenic area around the cervical canal) was present in 189 (94.5%) patients. Absent of CGA had a significant relationship with SPTL before 35 and 37 wk gestation (p=0.01 and p<0.001, respectively). Cervical length was shorter in women with absent CGA in comparison with subjects with present CGA: 37±10 mm in CGA present group and 23±9 mm in CGA absent group (p<0.001). CONCLUSION: Our study showed that cervical gland area might be an important predictor of SPTL which should be confirmed with further researches.

On-site or off-site treatment of medical waste: a challenge.

Treating hazardous-infectious medical waste can be carried out on-site or off-site of health-care establishments. Nevertheless, the selection between on-site and off-site locations for treating medical waste sometimes is a controversial subject. Currently in Iran, due to policies of Health Ministry, the hospitals have selected on-site-treating method as the preferred treatment. The objectives of this study were to assess the current condition of on-site medical waste treatment facilities, compare on-site medical waste treatment facilities with off-site systems and find the best location of medical waste treatment. To assess the current on-site facilities, four provinces (and 40 active hospitals) were selected to participate in the survey. For comparison of on-site and off-site facilities (due to non availability of an installed off-site facility) Analytical Hierarchy Process (AHP) was employed. The result indicated that most on-site medical waste treating systems have problems in financing, planning, determining capacity of installations, operation and maintenance. AHP synthesis (with inconsistency ratio of 0.01 < 0.1) revealed that, in total, the off-site treatment of medical waste was in much higher priority than the on-site treatment (64.1% versus 35.9%). According to the results of study it was concluded that the off-site central treatment can be considered as an alternative. An amendment could be made to Iran's current medical waste regulations to have infectious-hazardous waste sent to a central off-site installation for treatment. To begin and test this plan and also receive the official approval, a central off-site can be put into practice, at least as a pilot in one province. Next, if it was practically successful, it could be expanded to other provinces and cities.

Electromyographic Activity of Soleus and Tibialis Anterior Muscles during Ascending and Descending Stairs of Different Heights.

BACKGROUND: The aim of this study was to evaluate the electromyographic (EMG) activity of the two leg muscles (Tibialis anterior [TA] and Soleus [SOL]) during ascending and descending stairs with different heights (10 cm, 15.5 cm and 18 cm). METHODS: Eighteen female university students aged between 20 and 36 yr participated in the study. Data were collected using a ME6000 Biomonitor EMG System (revision MT-M6T16-0) and surface electrodes. RESULTS: The EMG activity of the SOL muscle was significantly higher than the TA muscle activity (P = 0.001). Besides, the muscle activity level of the SOL muscle was significantly higher when ascending compared to descending condi-tion (P = 0.001). The stair height had no significant effect of the EMG activity of the two muscles. CONCLUSION: These findings highlight that the two muscles are not equally affected by the stair height during ascending and descending condition. The results also indicate that there is no preference between different stair heights in terms of muscular effort.