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Urinary tract infections in pregnancy
1Department of Obstetrics and Gynecology, San Borja Arriarán Clinical Hospital, Santiago, Chile. aovalle@hotmail.com
Current Opinion in Urology
|January 10, 2001
Summary
Urinary tract infections (UTIs) in pregnancy require careful management. Effective treatments include cephalosporins for pyelonephritis and nitrofurantoin for bacteriuria, avoiding ampicillin due to resistance.
Area of Science:
- Obstetrics and Gynecology
- Infectious Diseases
- Pharmacology
Background:
- Urinary tract infections (UTIs) are highly prevalent in pregnant women.
- Escherichia coli is the predominant pathogen, with significant ampicillin resistance.
- Pyelonephritis poses serious risks to both mother and fetus.
Purpose of the Study:
- To review current recommendations for managing UTIs in pregnancy.
- To highlight appropriate antibiotic choices and treatment strategies.
- To discuss the link between UTIs and preterm labor.
Main Methods:
- Literature review of studies on UTIs in pregnancy.
- Analysis of antibiotic resistance patterns of Escherichia coli.
- Evaluation of diagnostic and treatment guidelines.
Main Results:
- Ampicillin is not recommended due to high Escherichia coli resistance.
- Second/third-generation cephalosporins are preferred for pyelonephritis, initially IV.
- Screening for asymptomatic bacteriuria is crucial; nitrofurantoin, sulfisoxazole, or first-gen cephalosporins are options.
Conclusions:
- Judicious antibiotic selection and management are vital for preventing maternal and fetal complications.
- Understanding virulence factors and co-infections is key for pyelonephritis treatment.
- The role of UTIs in preterm labor requires further investigation.