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Summary
TORCH testing for Toxoplasma, syphilis, rubella, cytomegalovirus, and herpes simplex in 603 patients yielded no confirmed infections. This study highlights the poor diagnostic utility of current TORCH testing patterns.
Area of Science:
- Medical Diagnostics
- Infectious Diseases
- Immunology
Background:
- TORCH tests are commonly used to diagnose congenital infections.
- The diagnostic yield of TORCH testing in a general patient population is not well-established.
- Infants and pregnant women are primary targets for TORCH screening.
Purpose of the Study:
- To evaluate the diagnostic return of serologic Toxoplasma, rubella, cytomegalovirus, and herpes simplex (TORCH) testing.
- To analyze the patterns of TORCH test utilization and follow-up procedures.
- To assess the effectiveness of TORCH testing in confirming infections.
Main Methods:
- Retrospective analysis of 603 patient records undergoing TORCH testing over four years.
- Categorization of patients by age and pregnancy status.
- Review of initial and follow-up TORCH test results and ordering practices.
Main Results:
- No serologic confirmation of TORCH agent infection was found in any of the 603 patients.
- The majority of tested infants (85%) received only a single TORCH test.
- Follow-up testing protocols were inconsistent, with a low rate (25%) of specific titer requests for elevated initial results.
Conclusions:
- Current patterns of TORCH test utilization demonstrate a poor diagnostic return.
- The study suggests a need to re-evaluate the clinical utility and application of TORCH testing.
- Optimizing TORCH testing strategies may improve diagnostic accuracy and resource allocation.