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Purpose The reduction of the violence and child abuse requires the cooperation of national and international health-related organizations. The purpose of this paper is to investigate the role of NGOs in health and peace development through administrating supportive programs for child abuse and violence victims. Design/methodology/approach The present research was a mixed method research, and the type of research was a descriptive-analytic study. To collect data, library and field methods were used. The research sample included 137 staff members of the NGOs supporting children in Tehran. Data analysis was performed using SPSS software. Findings According to authorities and members of the NGOs supporting children, networking and affective factors played a significant role in the development of health and peace (P<0.01). This was feasible by controlling the factors affecting violence and child abuse. Practical implications Given the fact that NGOs are contributing to the development and establishment of peace through effective participation and networking, trying to support the victims of child abuse and violence, the need for more attention from governments is recommended in order to support these organizations, especially legislative and financial support is needed to expand the activities of such organizations. Originality/value This paper is original in its method, topic and findings. The first is mixed method research, which has studied the role of networking of NGOs for peace development through implementing support programs for victims of child abuse and violence.

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Background. The prevalence of chronic kidney disease (CKD) is increasing every year, which increases the risk of cardiovascular disease and even death. In Cardiorenal syndrome type 2 (CRS2), chronic cardiac dysfunction causes renal dysfunction. The aim of this study was to evaluate Doppler ultrasound of renal veins, calculate venous impedance index (VII) and determine their associations with the prognosis of CRS2 syndrome in patients with a history of chronic heart disease and CKD with a good forward function. Methods. In this descriptive-analytical study, 49 patients referred to Imam Reza Hospital in Tabriz with heart failure and renal dysfunction were selected. Renal status, VII and ejection fraction (EF) were evaluated. Results. Mean age of the patients was 61.83±12.39 years, 42.9% of which were women and 57.1% were men. The durations of heart and renal failure were 33.16 ± 13.8 and 11.76±5.1 months, respectively. Significant associations were found between VII and EF of the right and left kidneys (P=0.01 and P =0.03, respectively). But there was no statistically significant relationship between renal function and EF (P =0.54). With increasing edema rate, both VII and EF were decreased; however, these associations were not statistically significant (P >0.05). Conclusion. According to the results, significant associations were found between VII and EF of right and left kidneys, however, no statistically significant correlations were observed between edema and VII mean and EF.