ORIGINAL ARTICLES
Prognostic factors in the management of empyema thoracis in Northern Nigeria
Ikechukwuka Ifeanyichukwu Alioke1, Ibrahim Zira Delia2, Sunday Adoga Edaigbini3, Anietimfon Umoh Etiuma2
1Division of Cardiothoracic Surgery, Federal Medical Centre, Abuja, Nigeria
2 Division of Cardiothoracic Surgery, Ahmadu Bello University Teaching Hospital, Zaria, Nigeria
3Division of Cardiothoracic Surgery, University of Calabar Teaching Hospital, Calabar, Nigeria
Correspondence Address:
Mr. Ikechukwuka Ifeanyichukwu Alioke
Division of Cardiothoracic Surgery, Federal Medical Centre, Abuja
Nigeria
Source of Support: None
Conflict of Interest: None
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Background: Empyema thoracis portrays pleural effusion with demonstrable actively multiplying bacteria. It is a significant cause of morbidity, and commonly complicates parapneumonic effusions. It is important to identify those factors that can be used to prognosticate the outcome of its management in our locality so that those that are modifiable could be applied to improve management outcomes.
Materials and Methods: A prospective cohort study of patients managed for empyema thoracis at the Ahmadu Bello University Teaching Hospital (ABUTH), Zaria, Nigeria from February 2017 to January 2018 was conducted. Eighty-three patients were enrolled for this study and recruitment into the study included all consecutive patients being managed for empyema thoracis in ABUTH, Zaria during the study period. Data collected included age, gender, aetiology, microbial isolates, BMI, initial and total empyema volumes, and duration before hospital presentation. The patients were subsequently managed and observed, and the outcome of management (duration of drainage and hospital stay, percentage of lung expansion, and need for decortication) was noted.
Results: Patients in the paediatric age group correlated positively with an earlier presentation to the hospital. The duration before presentation correlated positively with the stage of the disease. The duration before presentation and the total empyema volume indexed to body surface area could prognosticate all four outcome parameters assessed. The age and stage of the disease prognosticated the lung expansion and the need for decortication. The initial empyema volume indexed to body surface area prognosticated the length of hospital stay. The presence of complications was a determinant of the need for decortication. Adolescents and adults had 2.1 times increased probability of requiring a decortication for successful management.
Conclusion: The age, stage of the disease, duration before presentation, initial empyema volume indexed to body surface area, and total empyema volume indexed to body surface area can be used to prognosticate the outcome of empyema thoracis. With the onset of complication comes a higher chance of requiring decortication. Children are less likely to require decortication for satisfactory management of empyema thoracis.
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