Long-Term Health Effects of Previous Coronavirus Disease 2019 (COVID-19) in Patients Undergoing Preoperative Anesthesia Evaluation
For patients and families
In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- The protocol lists: Post-COVID Clinical Assessment.
- Who it may be relevant to
- Registry conditions: Post-COVID Condition, Long COVID, Sequelae of COVID-19. Basic parameters: from 18 years · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- Turkey (Türkiye)
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
Unsure about the terms? Read our patient guide →
Official title
Long-Term Clinical and Health Effects of Previous Coronavirus Disease 2019 (COVID-19) in Patients Presenting for Preoperative Anesthesia Evaluation
Overview
The Coronavirus Disease 2019 (COVID-19) pandemic has resulted in persistent health problems in a significant proportion of individuals after recovery from the acute infection. These long-term manifestations, commonly referred to as post-COVID-19 condition or long COVID, may involve respiratory, cardiovascular, neurological, psychological, and general health domains. Understanding these sequelae is particularly important in patients undergoing preoperative anesthesia evaluation, as residual symptoms may influence perioperative risk assessment and clinical decision-making. This cross-sectional observational study aims to evaluate the long-term clinical and health effects of previous COVID-19 infection in adult patients presenting to the preoperative anesthesia clinic. Patients aged 18 years and older who report a history of confirmed COVID-19 infection will be included. Clinical data related to the acute infection period (disease severity, hospitalization, intensive care unit (ICU) admission, oxygen therapy, and radiological findings) will be retrospectively obtained from hospital records. At the time of preoperative assessment, participants will complete a structured post-COVID-19 clinical questionnaire to evaluate persistent symptoms across multiple organ systems. The study seeks to determine the prevalence and characteristics of long-term post-COVID-19 symptoms and to explore potential associations between acute disease severity and ongoing health complaints. No additional medical intervention will be performed as part of this research.
Interventions
- Other Post-COVID Clinical Assessment
Structured post-COVID symptom questionnaire and retrospective clinical data review performed at the time of preoperative anesthesia evaluation. No therapeutic intervention is applied.
Primary outcome measures
- Prevalence of Persistent Post-COVID Symptoms [Time frame: At the time of preoperative anesthesia assessment]
Eligibility criteria
Inclusion criteria
- Age ≥18 years
Presentation to the preoperative anesthesia clinic
Self-reported history of laboratory-confirmed COVID-19 infection
Ability to provide informed consent
Willingness to complete the post-COVID clinical questionnaire
Exclusion criteria
- Age <18 years
No history of COVID-19 infection
Refusal to participate or incomplete questionnaire
Cognitive impairment or communication difficulties preventing reliable data collection
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: No
Study design
- Observational model
- Other
Study locations
Turkey (Türkiye) · 1 center
- Fethi Sekin City Hospital — Elâzığ
Identifiers
NCT: NCT07435805 · EFSH-ANES-2025-19-23