Cadernos ESP

PERTUSSIS SURVEILLANCE SYSTEM IN PERNAMBUCO, 2013 – 2022

Janaina Gomes Feitosa — 2025-11-05

Objective: to evaluate the quality (completeness and consistency) and representativeness of the pertussis epidemiological surveillance system in the state of Pernambuco between 2013 and 2022. Methods: evaluative study, based on the analysis of reported pertussis cases among Pernambuco residents, following the guidelines of the Centers for Diseases Control and Prevention (CDC), which propose evaluating surveillance systems using qualitative and quantitative attributes. Results: the system demonstrated moderate completeness (71.69%) for the variables analyzed, moderate consistency (89.06%), and proved representative when compared to the Hospital Information System (SIH), enabling characterization by time, person and place. Conclusion: weaknesses were observed in the completeness and consistency of some variables, underscoring the importance of periodic evaluations of the surveillance system to monitor data quality and detect changes in disease patterns.

WORK-RELATED MENTAL DISORDER - PERNAMBUCO, 2007-2023

Milena Stela Freire da Silva Carvalho — 2025-11-05

Work-Related Mental Disorders (WRMD) are among the cases of Work-Related Diseases and Injuries that consist of emotional distress and can indicate the development or worsening of mental disorders, which have as causal elements work-related risk factors, resulting from their organization and management or exposure to certain toxic agents. Objective: to evaluate the WRMD Surveillance System of Pernambuco, 2007-2023. Methods: evaluative study of data quality attributes (completeness and consistency) and representativeness, using the methodology of the Centers for Disease Control and Prevention (CDC), carried out with workers residing in the state who were notified as a case of WRMD in the Notifiable Diseases Information System. Results: the quality of the data was evaluated as satisfactory and obtained high representativeness. Conclusion: the evaluations had positive results, the surveillance performance should be maintained and improved.

EVALUATION OF THE TUBERCULOSIS SURVEILLANCE SYSTEM IN A REGION OF CEARÁ

Bruna Monik Morais de Oliveira — 2025-11-05

Objective: To evaluate the Tuberculosis Surveillance System in the Fortaleza Health Region. Method: This is a descriptive and retrospective evaluative study. Public data were used, and qualitative attributes (data quality) and quantitative attributes (representativeness) were assessed. Results: Regarding completeness, 60.71% (n=17) of the variables were classified as excellent. However, six variables were classified as poor, five of which are part of the follow-up form. As for consistency, two of the three variables were classified as excellent. Regarding representativeness, of the 31.004 TB cases, 67.7% (n=20.983) were male patients; individuals of mixed race were the most affected, accounting for 77.9% (n=24.153); the "new case" classification showed the highest number of cases, with 76.78% (n=23,805). Conclusion: The system in the region was classified as good in terms of completeness, fair in terms of consistency, and was still found to be representative.

EVALUATION OF THE TUBERCULOSIS SURVEILLANCE SYSTEM IN CRISTINO CASTRO-PI

Samuel Lopes dos Santos — 2025-11-05

Objective: To evaluate the tuberculosis surveillance system in the municipality of Cristino Castro - PI, from 2019 to 2023. Methods: This is a descriptive, retrospective study using secondary data from the SINAN system, which was assessed for data quality attributes (completeness and consistency) and representativeness. Results: 20 tuberculosis records were analyzed, with 7 variables classified as excellent (completeness) and 3 relationships between variables classified as excellent (consistency). The surveillance system was considered adequate and rated excellent (representativeness). The epidemiological profile was of men aged between 35 and 49 and the majority of cases were new admissions. HIV testing was low (55%) for individuals with TB. Conclusion: The quality of the data for the TB surveillance system in the municipality of Cristino Castro-PI was considered excellent. The system was considered representative when analyzing the epidemiological variable of person.

ASSESSMENT OF SELF-INFLICTED VIOLENCE IN PERNAMBUCO, 2014-2023

Priscilla Muniz Torres — 2025-11-05

Objective: To evaluate the self-inflicted violence surveillance system in Pernambuco, Brazil, from 2014 to 2023. Methods: An evaluative study using secondary data from the Notifiable Diseases Information System (SINAN), obtained via DATASUS, filtering only self-inflicted violence cases. Data completeness, consistency, and representativeness were assessed according to Centers for Disease Control and Prevention (CDC) criteria. Representativeness was compared to Unified Health System Hospital Information System (SIH/SUS) records, considering person, time, and place variables. Results: A 586.9% increase in notifications was observed during the period. Mean completeness and consistency were 72.5% and 93.0%, respectively. Representativeness was considered satisfactory for person variables but unsatisfactory for others. Final considerations: SINAN showed moderate completeness and excellent consistency. However, the system's overall representativeness was low.

INFANT MORTALITY SURVEILLANCE SYSTEM, PERNAMBUCO 2013 TO 2022

Auta Flavia Gomes Temoteo Paes — 2025-11-05

Infant mortality remains a significant public health challenge, reflecting social inequalities and weaknesses in maternal and child care. Objective: To evaluate the Infant Mortality Surveillance System in the state of Pernambuco, Brazil, from 2013 to 2022. Methods: This was an evaluative study based on the methodology of the Centers for Disease Control and Prevention, published in 2001, which analyzed data quality through completeness and consistency, as well as the representativeness of the system. The study population included all infant deaths under one year of age recorded between 2013 and 2022. Publicly available data from the Mortality Information System were analyzed using TabNet, Microsoft Excel, and EpiInfo. The study complied with the guidelines of Resolution No. 466, issued in 2012 by the Brazilian National Health Council. Results: During the period, a total of 17,211 infant deaths were recorded. Mean data completeness was 93.8%, classified as excellent, and mean consistency was 99.2%, also classified as excellent. The representativeness of the system was considered good, showing coherence when compared with regional and national databases. Conclusions: The Mortality Information System demonstrated excellent data quality and adequate representativeness. It is recommended that the Ministry of Health promote scientific research on the evaluation of health information systems and that the State Health Secretariat raise awareness among professionals about the importance of accurately completing death certificates, and strengthen Technical Groups and Committees for the Prevention of Infant Deaths.

SURVEILLANCE SYSTEM OF TEGUMENTARY LEISHMANIASIS IN CEARÁ, 2012-2022

Francisca Jessika Nunes de Moura — 2025-07-01

Objective: To evaluate the Surveillance System for cutaneous leishmaniasis in Ceará between 2012 and 2022. Methods: Data from Sinan were analyzed regarding the completeness, consistency, and representativeness of the variables of residents notified in Ceará, Brazil, from 2012 to 2022. Results: A total of 6,170 cases were recorded. The variables race and date of treatment start showed good completeness, while occupation and evolution were deficient. Data consistency was excellent, except for the confirmation criterion. The most frequent clinical form was cutaneous (96.45%). The disease recorded 5.2% of recurrence and 0.92% of Human Immunodeficiency Virus coinfection. Most cases occurred in men (54.41%), brown people (79.77%), and people with incomplete elementary education (42.07%). Conclusion: The system presents good consistency, but limitations in representativeness and completeness, especially in variables essential for disease control. These flaws compromise the effectiveness of surveillance actions, making the system insufficient for the adequate management of cutaneous leishmaniasis in the state.

EVALUATION OF THE TUBERCULOSIS EPIDEMIOLOGICAL SURVEILLANCE SYSTEM

Valderi Ferreira de Andrade Neto — 2025-11-05

Objective: To evaluate the tuberculosis epidemiological surveillance system in Maranguape. This was an evaluative study using secondary data from Sinan, available on the DATASUS platform, and based on CDC guidelines, considering the attributes of data quality and representativeness. Methods: Thus, 441 reported cases were analyzed, including 15 mandatory variables and 13 essential variables. Results: The completeness of the mandatory variables resulted in (99.8%), with a frequency of 14 fields evaluated as excellent, and in the essential variables, it was obtained (89.5%), with a regular result. In terms of consistency, the quality of the data was classified as excellent (≥90.0%). Final considerations: The system satisfactorily represented the disease in time, person and place. Therefore, system failures were identified, such as the regular completeness of the essential fields, related to the completion of the tuberculosis monitoring report. However, the data from the tuberculosis surveillance system were considered adequate and can be used to guide tuberculosis prevention and control actions.

EVALUATION OF THE LEPROSY SURVEILLANCE SYSTEM IN PARAÍBA, 2019–2023

Airy Ysmênia de Lima Medeiros — 2025-11-05

Leprosy is a disease associated with sociodemographic factors. The surveillance of leprosy aims to diagnose cases among individuals who currently live or have lived with the patient, as well as their probable sources of infection. This study aimed to evaluate the quality of the Leprosy Surveillance System in Paraíba through the Notifiable Diseases Information System (SINAN) from 2019 to 2023. It is a descriptive, retrospective epidemiological study with a cross-sectional design. The results indicate that more than 70% of the Leprosy Surveillance System database in Paraíba is of low quality, although the system is consistent and representative compared to the national database. Therefore, improvements are necessary in the Leprosy Surveillance System in Paraíba, with an emphasis on the ongoing education of healthcare professionals to enhance the quality of notifications and the clinical management of the disease.

EVALUATION OF LEPTOSPIROSIS SURVEILLANCE, PERNAMBUCO, BR, 2013–2022

Davidianne de Andrade Morais — 2025-11-05

Objective: to evaluate the Leptospirosis Surveillance System in Pernambuco (SVL-PE), Brazil, between 2013 and 2022. Methods: an evaluative study that considered the attributes of data quality, representativeness, positive predictive value (PPV), and timeliness, covering leptospirosis cases reported by Pernambuco in the Notifiable Diseases Information System, following previously established classifications. This study did not require submission to a Research Ethics Committee. Results: the data quality (84.6%), representativeness, and PPV (26.3%) were classified as fair. The system's timeliness was classified as poor (62.8%), highlighting delays in notifications after care (54.7%) and case closures (34.2%). Final considerations: it is recommended that professionals be trained to properly fill out notification data, as well as to comply with SVL-PE deadlines, conduct periodic audits, and intersectoral integration.

EVALUATION OF THE VISCERAL LEISHMANIASIS SURVEILLANCE SYSTEM IN PARAÍBA

Pedro Ithalo Francisco da Silva — 2025-11-05

To evaluate the Human Visceral Leishmaniasis Epidemiological Surveillance System (SV-LVH) in the state of Paraíba. This descriptive and retrospective evaluative study assessed qualitative and quantitative attributes of data available in Sinan (2018-2022), based on guidelines from the Centers for Disease Control and Prevention (CDC). The data quality assessment considered 615 reported suspected cases. The gender variable obtained 100% completeness, with occupation (21.9%), education (67.1%) and HIV co-infection (68.4%) having the lowest percentages. Only 1.6% of the cases presented inconsistency. Of the 195 confirmed cases, 69.2% were male, 79.0% were brown, 22.1% were between 35 and 49 years old, 26.2% had incomplete elementary education and 6.2% were illiterate. The system was representative over time, geographically and in terms of individual characteristics. It can be concluded that the SV-LVH was classified with concepts that ranged from regular to excellent, covering the period and criteria established for completeness, consistency and representativeness.

EVALUATION OF CONGENITAL ANOMALIES IN PERNAMBUCO, BRAZIL, 2013-2022

Enildo José dos Santos Filho — 2025-11-05

Objective: To evaluate the congenital anomaly surveillance system at birth in Pernambuco, Brazil, from 2013 to 2022. Methods: An evaluative study based on data quality attributes (completeness and consistency) and representativeness, following the Public Health Surveillance Systems Evaluation Guide by the Centers for Disease Control and Prevention (CDC/USA). Results: All variables showed excellent completeness, except for "occupation" in 2016 due to missing data. Consistency was excellent, with the lowest coherence (87.3%) observed in the relationship between birth weight and gestational age. Representativeness was high, except for the "white" and "mixed-race" categories of the parturient's race/color variable, which were not representative between Pernambuco and Brazil. Conclusion: The study demonstrated the robustness of data from the Live Birth Information System in Pernambuco, providing support for researchers and policymakers. Recommendations include actions for the Ministry of Health and state and municipal health departments.

MONITORING OF THE FLU SYNFROME IN FORTALEZA USING QGIS

Poliana Hil´ario Magalhães — 2025-11-05

Objective: To evaluate the spatial and temporal distribution of flu-like illness cases in the city of Fortaleza. Methods: This is a descriptive, exploratory and analytical epidemiological study, with a quantitative approach, carried out using a spatial analysis of flu syndrome data from health centres in Fortaleza - CE, between 2021 and 2023. Results: 5938 ILI records were analysed. During the period studied, the annual target was not reached. The viral identification panel showed an increase in cases of unspecified GS, even with the incidence of SARS-Cov-2 circulation and an increase in COVID-19 cases. Females were prevalent in the economically active population. Georeferencing facilitated the monitoring of the spread of SARS, as well as health care for the areas of greatest viral circulation. Conclusion: Monitoring flu-like illness facilitated the identification of viral spread and the determination of priority health areas.

EVALUATION OF VIGIÁGUA

Úrsula Sousa Caminha — 2025-11-05

Objective: To evaluate the Water Quality Surveillance System for Human Consumption in Ceará between 2020 and 2023. Methods: This is an evaluative study with a quantitative approach, based on secondary data from SISAGUA. Thirty-five variables were analyzed, following the methodology of the Centers for Disease Control and Prevention (USA) according to the guidelines for evaluating public health surveillance systems. The attributes analyzed were acceptability, completeness, and timeliness, aiming to strengthen water quality surveillance. Results: During the period, 36,596 data related to supply methods were recorded. SISAGUA presented 100% completeness in 14 variables, while three were regular, six poor, and 10 very poor. The system had excellent acceptability (average of 89.13%), high performance in timeliness of records, and good completeness in monitoring water quality. Final considerations: However, despite meeting the target of analyzed samples, there is still a significant percentage of unsatisfactory results.

EVALUATION OF THE LEPTOSPIROSIS SURVEILLANCE SYSTEM, CEARÁ, 2014–2023

Ana Paula Cunha Gomes Bouty — 2025-11-05

Objective: To evaluate the leptospirosis surveillance system in Ceará, from 2014 to 2023. Methods: Cross-sectional, descriptive, retrospective study, using the methodology proposed by the Centers for Disease Control and Prevention of the United States of America (USA), in which data quality and representativeness attributes were developed. Results: Completeness was poor (69,0%); consistency was 94,7%; and the system proved to be representative, making it possible to describe the behavior of the disease over time and its distribution in the population by person and place. Conclusion: The leptospirosis surveillance system in Ceará had poor completeness, however, it proved to be consistent and representative.

EVALUATION OF THE CHIKUNGUNYA FEVER SURVEILLANCE SYSTEM IN CEARÁ

Paula Rivele Gomes Sousa Mendes — 2025-11-05

Objective: To assess the data quality and representativeness of the chikungunya surveillance system in the state of Ceará from 2019 to 2023. Method: An evaluative study with a quantitative approach, based on an analysis of Chikungunya data recorded on SINAN. The evaluation followed CDC guidelines. Results: 104,850 suspected cases of chikungunya were reported, of which 56,691 were confirmed. Data completeness was excellent for all mandatory variables, except for the essential variable schooling, which showed low completeness. Data consistency ranged from excellent to fair. The system showed good representativeness. Conclusion: The surveillance system had satisfactory data quality and good representativeness. It is recommended that strategies be implemented to improve the training of health teams, with a view to sensitizing them to the importance of quality in recording notifications, guaranteeing more accurate and complete information for public health decision-making.

QUALITY EVALUATION OF THE SURVEILLANCE SYSTEM FOR DEATHS FROM CHAGAS DISEASE IN CEARÁ, 2013-2022

Vanuza Cosme Rodrigues — 2025-11-05

Objective: To evaluate the mortality surveillance system for Chagas Disease (CD). CD is caused by Trypanosoma cruzi and transmitted by triatomines, affecting about 6 million people worldwide, the majority of whom are in Latin America. In Brazil, CD poses significant proportions with a high burden of morbidity and mortality. This was an evaluative study, using secondary data information collected from the Mortality Information System (SIM), available on DATASUS. Method: According to CDC guidelines, the quality of data (completeness and consistency) was analyzed, followed by representativeness. Results: The results showed a final completeness average ranging from 90.5% to 100.0%, which indicates excellent quality for gender, age group, and race, and good quality for education. Consistency was assessed as regular for the occupation field; very poor for deaths in public places and regular for deaths occurring at home. There was high representativeness in the variables of time, person, and place. Final Considerations: The data regarding the completeness of the SIM were deemed adequate and representative; however, there are gaps concerning the consistency of the system regarding deaths with the underlying cause of Chagas disease.

EVALUATION OF THE MORTALITY SYSTEM DUE TO SCHISTOSOMIASIS IN PERNAMBUCO

Mariana Luiza do Nascimento Silva — 2025-09-10

Objective: to evaluate the surveillance of deaths due to schistosomiasis in Pernambuco from 2013 to 2022. Methods: evaluation study of the attributes ‘data quality’, ‘representativeness’, ‘timeliness’, and ‘utility’ of the system, based on the guidelines of the Centers for Disease Control and Prevention. Data from the Mortality Information System were used from 2013 to 2022. Results: the system showed good utility, completeness, excellent consistency, and was also representative and timely, with an improvement in data quality over the years. The variable ‘medical assistance’ (death conditions block) had lower completeness (76.9%), considered poor. Representativeness was adequate, except for sex, which was low. Regarding timeliness, 90.6% of death certificates were registered within 60 days, making it timely. Conclusion: the analyzed data indicate the need for improvements, especially in ‘death conditions’, to understand the circumstances and identify failures in diagnosis and patient assistance.

EVALUATION OF HUMAN ANTI-RABIES NOTIFICATION SURVEILLANCE, CEARÁ, 2018–2022

Ivan Alcântara Brito — 2025-11-05

Objective: To evaluate the epidemiological surveillance system for notifications of human anti-rabies services in Ceará, between 2018 and 2022. Methods: Retrospective descriptive evaluative study, with evaluation criteria based on the Guidelines from the Centers for Disease Control and Prevention (CDC) of the United States of America. Results: The results for data completeness and consistency were, for the most part, excellent, highlighting the sociodemographic variables with high indices. However, some treatment-related variables were of low completeness, such as "final condition of the animal" and "interruption of prophylaxis". The system was considered consistent, with coherence greater than 90% in most of the variations observed. It was considered representative, demonstrating an epidemiological pattern similar to that observed at the national level. Conclusion: Evaluation of the surveillance system revealed its ability to monitor anti-rabies accidents to prevent human rabies in the state, despite identified gaps in data quality.

MATERNAL DEATH SURVEILLANCE SYSTEM IN CEARÁ, 2014-2023

Helloise Barbosa Nery — 2025-11-05

Objective: This study aimed to assess the attributes of data quality, representativity, and timeliness of the maternal mortality surveillance system in Ceará from 2014 to 2023. Methods: The research followed an evaluation methodology focusing on attributes such as data quality, representativity, and timeliness, using tools like Epi Info™ 7.2, Office 365, and QGis for data analysis, processing, and presentation. Results: The system demonstrated high data completeness (99.2%) but only moderate consistency (79.5%), with discrepancies between death certificates and investigations. Representativity was excellent, accurately reflecting the profile of deceased women. However, notification (69.31%) and investigation (45.25%) timeliness were unsatisfactory. Conclusion: Despite progress, improvements in system consistency and efficiency are essential to strengthen surveillance and support effective policies to reduce maternal mortality.

Editorial

Augusto Lopez — 2025-11-05