Index case
(Redirected from Index patient)
Index case[edit | edit source]
The index case, also known as the proband or patient zero, is the initial patient in the population of an epidemiological investigation, or the first case of a condition or syndrome to be described in the medical literature. In genetics, it refers to the first identified case of a genetic disorder in a family.[1]
Identification[edit | edit source]
Identifying the index case is crucial in epidemiology and genetic studies because it can help to understand the origin and dynamics of disease spread. The index case is typically identified by a thorough family history and, if necessary, genetic testing.[2]
Significance in Disease Control[edit | edit source]
The identification of the index case in disease outbreaks is important for disease control and prevention. This allows for the immediate isolation of the case, a detailed investigation of the case's contacts, and prevention of further disease transmission.[3]
Significance in Genetic Studies[edit | edit source]
In genetic studies, the index case can help identify potential genetic disorders within a family. This can lead to better understanding of the disease, development of treatment strategies, and potential preventive measures for at-risk family members.[4]
Ethical Considerations[edit | edit source]
- Identifying and managing an index case can involve ethical considerations. This includes maintaining patient confidentiality, obtaining informed consent for testing and data use, and addressing potential psychological impacts.[5]
See Also[edit | edit source]
References[edit | edit source]
Further reading[edit | edit source]
External links[edit | edit source]
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