Aim of the study: To describe the management of patients with chest trauma in the ICU of National Hospital of Niamey (HNN). Patients and Method: It was a retrospective descriptive analytical study carried out from February 1st, 2017 to February 28th, 2021, ie 4years. Were included in the study, all the patients with chest trauma admitted in the ICU of National Hospital of Niamey. The studied variables included: age, gender, medical history, the circumstances of occurrence, the mecanism involved, transport, time to admission, type of the trauma, associated lesions, clinical signs, complementary signs, medical care of the patient, surgical care of the patient, evolution and length of stay in hospital. The collected data were entered and analized with the following software : EPI Info v3.5.4, Office 2019. Results: During the time of our study we have registered 34 patients over 982 patients who were hospitalized ; ie a frequency of 3.46%. We’ve noted a male predominance with 73.52% (n=25) ; ie a sex ratio of 2.77. The average age of our patients was 32.14 years with extremes ranging from 1 to 70 years. The age group of 31 to 45 years was the most affected with 64.70% (n=22). Twenty six (26) patients, ie 76.5% had no medical history, 5 had hypertension, 2 were diabetics and 1 was a chronic smoker. The etiologies were dominated by road accidents with 61.76% (n=21) followed up by ballistic trauma with 17.64% (n=6). We noted close chest trauma in 76.47% (n=26) of the cases and open chest trauma in 23.53% (n=8) of the cases. The patients benefited from medical transport (SAMU) in 35.29% (n=12) of cases. The average time to admission was 3.8 hours. Hemothorax was the most frequent lesion with 26.47% (n=9), followed up by pneumothorax with 20.58% (n=7) and ribs fracture with 17.64% (n=6). The most frequent associated lesions were limbs fracture with 26.47% (n=9), abdominal trauma with 23.52% (n=8) and head trauma with 20.58% (n=7). Fifty percent (50%) of our patients had ...