Submissions

Original articles

Report that communicates for the first time experimental results, new knowledge or experiences based on known facts. Its purpose is to share and contrast these results with the rest of the researchers and, once validated, they are incorporated as a bibliographic resource for the availability of the scientific community. When faced with a scientific problem, to solve it we proceed in accordance with the guidelines and guidelines of the scientific method, both with a quantitative, qualitative or mixed approach.
Given the novelty or originality of this type of research, it is the one that has the highest priority in the journal's editorial process.
Its length will not exceed 4,500 words, including bibliographical references. Comply with the rules of the attached template
Make a new shipment to the Original Articles section.
There is no limited number of authors, but their number must be well justified, depending on the scope of the research and their actual participation in the text.
Title in Spanish and English
Same as in section General methodological requirements for all types of articles.
Summary with key words in Spanish and English
The Summary is structured by sections and must follow the order: Introduction, Objective, Methods, Results, Conclusions.
Keywords are declared as set out in the General methodological requirements for all article types section.
Introduction
Same as in section General methodological requirements for all types of articles.

Methods
Define the type of research or study, period and place. Research with more than five (5) years of completion must be well justified for approval.
Define the Universe or Population (with its respective selection criteria: inclusion / exclusion / exit), and the Sample (if it exists).
In case of selection of a sample:
Declare type (probabilistic or non-probabilistic).
Describe sampling strategy: It will correspond to the type of sampling carried out (probabilistic: simple random, proportional stratified random, systematic and cluster sampling. Non-probabilistic: snowball, volunteers, typology, etc.).
In both cases (Universe and Sample) define their quantities.
Clearly state the information collection, processing and analysis methods that were used. The authors must upload to the journal's platform, in an attached file, the primary records used for the data. Authors are recommended to publicly place in repositories and reference the data they consider from their research, so that they can be shared and reused, which facilitates the transparency and credibility of the research both for reviewers and for readers and the scientific community in general. general. This aspect is very important as part of open access to information, following the precept that data be “as open as possible, as closed as necessary.”
The variables or categories of analysis must be clearly defined and their evaluation criteria declared. The operationalization table of the variables is not necessary.
The data analysis method must be the most appropriate for the research design.
Declare the particular ethical aspects for the study. Priority will be given to research that has endorsements from institutional scientific committees, or those that come from institutional research projects.
In the case of clinical trials, they must carry their appropriate registration number, obtained from a Clinical Trials Registry. This number must be verifiable, so the Source will appear. In addition, they must comply with the evaluation parameters expressed in the international CONSORT guide. (http://bvs.sld.cu/revistas/recursos/CONSORT.pdf)
This section must be written in a way that can comply with the principle of REPRODUCIBILITY.

Results
Exhibition in accordance with the objectives of the work.
Appropriate use of statistics (when required).
Figures and tables will highlight the most relevant results without incurring repetitions of information between them.
A maximum of 5 tables and figures are allowed.
Discussion
Carry out a critical review of the results of the study of the works published by the authors or by other researchers in the national and international area.
Describe the possible applicability and generalization of the results.
In the case of qualitative studies, the Results and Discussion section may be presented as one, in this case the section would be called Results and Discussion.
Explain the scope and limitations of the results. The penultimate paragraph explains the limitations of the study, taking into account possible sources of bias or imprecision.
In the last paragraph of the manuscript, at the end of the discussion, the Conclusions are placed. In the Conclusions, results should not be repeated or phrases that appear in the Summary. They must express an adequate degree of generalization.
Respond to the objectives of the study and be in correspondence with the results and discussion.
Bibliographic references
They must contain 70% of works published in the last 5 years.
Relevant national and international literature on the topic be represented.
A maximum of 30 bibliographic references will be accepted.
Other aspects presented in the section General methodological requirements for all types of articles.

Review articles

This type of article can be sent spontaneously or requested from experts by the Editorial Committee.
It presents a bibliographic study that compiles, analyzes, synthesizes and discusses updated information published on a topic; should include a critical examination of the state of knowledge reported in the literature.
It can synthesize knowledge, update and report on the status of a topic, transmit new knowledge as a result of the analysis of what has been published, report and evaluate published literature, compare information from different sources, know the trend of research, identify new lines of research, suggest ideas for future work and contribute to teaching in Nephrology.
It must include all the necessary elements for an independent author to be able to reproduce the results of the review from this data: search, keywords, languages, results filter, selection criteria, articles finally included.
Its length will not exceed 5,000 words, including bibliographic references.
Title in Spanish and English
Same as in section General methodological requirements for all types of articles.
Summary with key words in Spanish and English
The Summary is structured by sections and must follow the order: Introduction, Objective, Methods, Development, Conclusions.
Keywords are declared, as set out in the General methodological requirements for all types of articles section.
Introduction
Same as in section General methodological requirements for all types of articles.

Methods
Declare the type of study.
Define the information sources consulted (databases, full-text information resources, documentary repositories, etc.).
Declare keywords or descriptors used, as well as the search strategy in each source of information consulted.
State the number of bibliographic references consulted and of these, how many were selected for the research. Justify the selection criteria.
Specify the period of time needed for the review.
Development
Exhibition in accordance with the objectives of the work.
Figures and tables that highlight relevant aspects without repeating information.
Interpretation of the results indicated in the literature consulted.
Verify and Contrast the differences and coincidences of the studies analyzed.
Carry out criticism of the results of the study of works published by the authors themselves or other researchers.
Describe the possible applicability and generalization of the results.
Include new aspects to consider (if necessary).
Point out or highlight the limitations or contributions of the review.
Conclusions
They respond to the objectives of the study.
They must be clear, concrete and relevant.
Bibliographic references
They must contain 70% of works published in the last 5 years, since their results are based on what was found in the literature.
A maximum of 45 bibliographic references are accepted.
Relevant national and international literature on the topic be represented.
Other aspects presented in the section General methodological requirements for all types of articles.

Case presentation

Type of article in which the results of a study on a particular situation are reported, with the aim of disseminating representative technical or methodological experiences. Includes analysis of the bibliography on similar cases.
The cases do not necessarily have to be rare, they can be conditions with unusual forms of presentation, management or evolution; unexpected association between unusual symptoms and signs; impact of one disease on the evolution of another; unexpected complications of procedure or treatments.
One or more clinical cases may be described in the same article. It will be structured as follows: Preliminary parts (Title, Author/s, Informative summary, Keywords), Introduction, Presentation of the case, Discussion of the case (includes conclusions) and Bibliographic references (10 to 12). Its length will not exceed 3,000 words, including bibliographic references. It will not exceed four (4) authors
Title in Spanish and English
Same as in section General methodological requirements for all types of articles.
Summary with key words in Spanish and English
The Summary is structured by sections and must follow the following order: Introduction, Objective, Presentation of the case, Conclusions.
Keywords are declared as set out in the General methodological requirements for all article types section.
Introduction
Same as in section General methodological requirements for all types of articles.

Case presentation
Adequately describe the history (heritage-family, personal, pathological, non-pathological, surgical, obstetric-gynecological, etc.) related to the case.
Indicate the onset, evolution and current state of the condition.
Summarize the main clinical findings and diagnostic, laboratory, office and imaging investigations; highlight those that turn the painting into a peculiar case.
Indicate the treatment used.
Point out the evolution of the case.
A maximum of three (3) figures or images are allowed that must graph what is stated in the General methodological requirements section for all types of articles in relation to this aspect.
Discussion
Analyze and compare the main findings with those of other reported cases.
Point out the pathology/physiopathology and its meaning.
Describe the difficulty in establishing the diagnosis and/or treatment of the case presented.
Discuss differential diagnoses and/or treatment if necessary.
Analyze theories or hypotheses about the implications of the findings.
Conclusions
They must be clear and justify the presentation of the case from its theoretical-practical contribution.
Bibliographic references
They must contain 40% of works published in the last 5 years.
Relevant national and international literature on the topic be represented.
A maximum of 30 bibliographic references are accepted.
Other aspects presented in the section General methodological requirements for all types of articles.

Reflection and Debate

Research, review or opinion articles are accepted that the editorial committee considers that due to their content they should be made available to researchers for debate.
They will have a maximum length of 1500 words and up to 15 bibliographical references, and no more than one table or figure.

Brief communication

These are contributions that reflect preliminary, exploratory results, that "advance" ideas that could be developed in the future, without being entirely finished results.
They have a length that generally does not exceed 4500 words. Similar characteristics and structure as the original articles.

Letter to the editor

A space that has currently gained great importance in magazines as it allows readers to publicly issue their comments, considerations or objections related to published articles or various topics of interest.
It reflects criteria of authors or readers about other articles previously published in the Cuban Journal of Nephrology. The authors will be able to give their opinion on some aspects of the editorial policy of our journal; pass a critical judgment on a medical fact in the public domain; expand, interpret or explain some aspects of recently published research (no more than three weeks); point out methodological defects or interpretation of the results of some work or raise awareness of relevant topics for the scientific community; always with adherence to ethics and good practices in scientific communication.
They may contain up to 1,500 words, written by one or two authors and supported by bibliographical references.
The Editorial Committee of the magazine attributes the right, if it deems appropriate, to publish or not publish the Letter to the Editor.

Special articles

Special Articles could be an Interview, a Conference, a Profile or an Obituary

Interview - Written conversation about aspects or points of view of interest to the local or international medical scientific community. Will not exceed 2500 words

Conference:- Given at all types of events and of importance to the sponsoring institution and to the entire scientific community. Will not exceed 5000 words

Profile: Highlight the actions of personalities or institutions that have contributed significantly to the specialty of Nephrology. Will not exceed 1500 words

Obituary - article created to pay tribute and at the same time make known to the scientific community the recent loss of one of its medical personalities. The text will be received accompanied by a photo of the deceased person. It will have Title, Author/s, it will not have Summary, Introduction that may or may not be reflected and the body of the writing.

From the History of Nephrology

Articles that are published as a reference to learn about the history of events and personalities linked to Public Health, health care and the institutions of the sector or related to its activities. They will provide a brief and general overview of the object reviewed in a descriptive-informative format. A logical chronology of the topic will be followed and personal testimonies may be included. Its length will not exceed 5,000 words, not including bibliographic references.
Title in Spanish and English
Same as in section General methodological requirements for all types of articles.
Summary with key words in Spanish and English
The Summary is structured by sections and must follow the order: Introduction, Objective, Methods, Development, Conclusions.
Keywords are declared, as set out in the General methodological requirements for all types of articles section.
Introduction
Same as in section General methodological requirements for all types of articles. Present brief, clear and concrete background information with its bibliographical foundation according to Vancouver Standards and Styles.
It must be a topic of importance and relevance.
Substantiate the scientific problem, the scope and reason for the study; that is, the problematic situation that gives rise to the study.
Clearly describe the objective(s) of the research.

Methods
Declare the type of study.
Define the sources of information consulted (databases, full-text information resources, documentary repositories, etc.).
Declare keywords or descriptors used, as well as the search strategy in each source of information consulted.
Define the number of bibliographic references consulted and of these how many were selected for the research. Justify the selection criteria.
Period of time needed for review.
Development
There must be a correct organization and presentation of the topic.
Divide into sections that facilitate the development and understanding of the topic.
It will be based on primary and/or secondary sources.
Include a critical analysis of the sources consulted.
Conclusions
They will respond to the objectives of the study.
They will be presented in a clear, concrete and precise manner.
Bibliographic references
It must contain 50% of works published in the last 5 years.
Relevant national and international literature on the topic be represented.
A maximum of 45 bibliographic references are accepted.
Other aspects presented in the section General methodological requirements for all types of articles.

Memorias de Eventos

Se presentan los resúmenes de eventos de la Especialidad de caracter Nacional que contribuyan a dar a conocer líneas de trabajo con resultados de la misma. Ello no impide los autores publiquen los artículos íntegros en otro medio.

El resumen puede ser estructurado o no en dependencia del tipo de trabajo que se presente.