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Early Candida isolations in febrile patients after abdominal surgery
A Rantala1, J Niinikoski, O P Lehtonen
1Department of Surgery, University of Turku, Finland.
Abstract:
The significance of finding Candida sp. in febrile patients after abdominal surgery was studied in a prospective study on 107 patients. The patients were divided into 3 groups, based on the isolation and time of sampling of Candida sp. and on any other microbiological documentation of the infection. Eight patients were found Candida-positive either by blood cultures or by cultures of urine, abdominal pus, tracheal aspirate or wound exudate within the first postoperative week and had significantly greater mortality than patients with other infections or later Candida sp.-isolation (50% vs 10%, p < 0.05). Isolation of Candida was associated with prolonged antibiotic therapy, extended central vein catheterization, parenteral nutrition and operations on the small bowel, ascending colon or pancreas, but not with the underlying illness. The results support the view that isolation of Candida sp. within the first week after surgery does not represent harmless colonization but is rather associated with serious morbidity.
Insights
Early postoperative Candida detection in febrile patients indicates serious risk. This finding, unlike later isolations, is linked to significantly higher mortality after abdominal surgery.
Area of Science:
- Medical Microbiology
- Surgical Infections
- Clinical Mycology
Background:
- Fungal infections, particularly Candida species, pose a significant threat in healthcare settings.
- Postoperative infections can lead to increased morbidity and mortality.
- Early identification of pathogens is crucial for effective patient management.
Purpose of the Study:
- To investigate the clinical significance of Candida species isolation in febrile patients following abdominal surgery.
- To determine if early postoperative Candida isolation is associated with increased mortality.
- To identify risk factors associated with Candida isolation in this patient population.
Main Methods:
- A prospective study involving 107 patients undergoing abdominal surgery.
- Patients were categorized based on Candida species isolation timing and microbiological documentation.
- Data collected included patient demographics, clinical course, and microbiological findings.
Main Results:
- Eight patients showed Candida-positive results within the first postoperative week.
- Early Candida isolation was associated with significantly higher mortality (50%) compared to other infections or later isolations (10%, p < 0.05).
- Risk factors included prolonged antibiotic therapy, central venous catheterization, parenteral nutrition, and specific surgical procedures.
Conclusions:
- Early postoperative Candida isolation in febrile patients is not benign colonization but indicates serious morbidity.
- Timely identification and management of early Candida infections are critical for improving patient outcomes.
- Further research into preventative strategies and targeted antifungal therapy is warranted.
