Background: It is difficult to provide health care services to all those in need of such services due to limited resources and unlimited demands. Thus, priority setting and rationing have to be applied. This study aimed at critically examining the concept of rationing in health sector and identifying its purposes, influencing factors, mechanisms, and outcomes. Methods: The critical interpretive synthesis methodology was used in this study. PubMed, Cochrane, and Proquest databases were searched using the related key words to find related documents published between 1970 and 2015. In total, 161 published reports were reviewed and included in the study. Thematic content analysis was applied for data analysis. Results: Health services rationing means restricting the access of some people to useful or potentially useful health services due to budgetary limitation. The inherent features of the health market and health services, limited resources, and unlimited needs necessitate health services rationing. Rationing can be applied in 4 levels: health care policy- makers, health care managers, health care providers, and patients. Health care rationing can be accomplished through fixed budget, benefit package, payment mechanisms, queuing, copayments, and deductibles. Conclusion: This paper enriched our understanding of health services rationing and its mechanisms at various levels and contributed to the literature by broadly conceptualizing health services rationing.

Purpose Health Sector Evolution Plan (HSEP) is known as the biggest and most comprehensive reform in Iran’s health system. One of the goals of HSEP is to reduce inequity in the healthcare financing. The purpose of this paper is to demonstrate HSEP agenda setting from the perspective of equity in healthcare financing (EHCF) using the multiple streams model. Design/methodology/approach This qualitative study was conducted by 26 documents review and analysis, and 30 semi-structured interview with Iranian key informants in the field of HSEP that were selected based on purposeful and snowball sampling method. Data were collected using a researcher-made checklist based on the goals. All audio-taped interviews were transcribed and analyzed thematically. Data management and analysis were performed using the framework analysis in MAXQDA software. Findings The framework analysis identified 12 complementary sub-themes totally. Problem stream included four sub-themes (high share of Out Of Pocket, high index of catastrophic health expenditures, low EHCF index, and inappropriate economic state and sanctions). Focus on EHCF in general policies of the Iran World Health Organization’s report in 2000, the Targeted Subsidies Law and emphasis on equalizing healthcare financing in the Fourth and Fifth Development Plan were considered as policy stream sub-themes. Finally, political stream showed four sub-themes including strong support from the Minister of Health for HSEP, mass media, the pressure of WHO and people’s request to reduce health costs. Research limitations/implications The limitations of the present study included paying attention to one package (evolution in the treatment sector) of three health packages to assess EHCF, as well as the lack of similar national and international evidence in implementation framework. Practical implications The results of this study can be used to analyze other health sector reforms around the word and can help the formulation and implementation of most practical reforms, especially in field of health system financing. Social implications This study gives a holistic view about health system policy setting that can be used for understanding policy-making streams to population. Originality/value This is the first study that has examined HSEP (the biggest health sector reform in Iran) from the perspective of agenda setting. In addition, using the popular and well-known Kingdon’s model to explain HSEP agenda setting is one of the strengths of this study. Furthermore, taking advantage of a wide range of related views by including highly informed people increased the strength of the results of the study. In addition, the short interval between the interview and reviewing the results on reforms reduced the recall bias of the participants in the study.

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