We aim to describe the incidence of IVDA among patients presented with IE, describe their clinical, psychiatric and microbiological characteristics in comparison to non - IVDA, as well as the rate and types of complications and outcome, and responsiveness to medical treatment or surgical intervention.
Adult Patients (>18 years) with definite or possible IE.
Patients with rejected diagnosis of infective endocarditis after workup, according to modified Duke's criteria.
Patients admitted to Assiut University Heart Hospital with definite or possible Infective endocarditis
Other
Cross-sectional
Echocardiography, Urine analysis , blood culture
Diagnostic testAll patients will be investigated by ECG, Urine analysis, blood culture , Echocardiography
The incidence of IVDA among IE patients
Report the incidence of IVDA among IE patients, describe their clinical and microbiological characteristics comparison to the IE in non - IVDA.
The complications of IVDA among IE patients
Report the rates and types of complications
The psychiatric characteristics of the addict group
This will be done by psychiatric questionnaires: -Addiction Severity Index questionnaire to measure severity of the addiction on the patient
The Withdrawal symptoms of the study group
This will be done by psychiatric questionnaires: -Withdrawal symptoms questionnaire that occur to the patient after stop of the addiction
The psychiatric characteristics of the study group
This will be done by psychiatric questionnaires: -Symptom Check List 90 to measure other comorbidities
The personality characteristics of the study group
This will be done by psychiatric questionnaires: -Eysenck Personality questionnaire to measure personality.
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