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C-reactive protein as a predictor of infectious morbidity with premature rupture of membranes
Insights
Premature rupture of membranes (PROM) increases infection risk. C-reactive protein (CRP) accurately predicts infectious complications in PROM patients, often before other signs appear.
Area of Science:
- Obstetrics and Gynecology
- Infectious Disease Monitoring
- Clinical Diagnostics
Background:
- Premature rupture of membranes (PROM) presents significant obstetric challenges, increasing risks of prematurity and severe perinatal infections.
- Current laboratory methods often fail to reliably predict or detect early-stage infections in PROM cases.
Purpose of the Study:
- To evaluate the efficacy of serum C-reactive protein (CRP) levels as an early predictor of infectious morbidity in patients with PROM.
- To compare the diagnostic accuracy of CRP with standard laboratory parameters and temperature monitoring.
Main Methods:
- Serum CRP levels, white blood cell count, differential, and temperature were measured in patients with PROM and a control group.
- Prospective monitoring of patients with PROM, with serial measurements for those who developed complications.
Main Results:
- Elevated CRP levels demonstrated high accuracy in distinguishing patients with infectious morbidity (p < 0.001).
- CRP showed 11 false negatives and no false positives among 109 patients.
- In 14 of 20 patients who developed morbidity, CRP elevation preceded other clinical or laboratory indicators by at least 12 hours.
Conclusions:
- Serum CRP is a reliable and early predictor of infectious morbidity in patients with PROM.
- CRP measurement can aid in the selective management of PROM patients, potentially improving outcomes by enabling timely intervention.
Abstract:
The management of patients with premature rupture of membranes (PROM) poses one of the most serious dilemmas in obstetrics since PROM significantly increases the likelihood of prematurity and serious perinatal infection. Early infection is not reliably predicted nor detected by standard laboratory parameters. Serum C-reactive protein (CRP) levels were assayed along with white blood cell count, differential, and temperature course in patients with PROM and controls. Elevated CRP very accurately divided patients with evidence of infectious morbidity from those without such evidence (p < 0.001). In 109 patients there were 11 false negatives and no false positives. In 14 of 20 patients followed with serial comparisons who developed morbidity, CRP became elevated at least 12 hours prior to any other parameter measured. Changes in the other six patients were concurrent. The results suggest that CRP may be a reliable, early predictor of infectious morbidity and thus may be of benefit in the selective management of patients with PROM.