Continuous Subcutaneous Glucose Monitoring in Critical Patients

Inclusion Criteria: * The study will be conducted in patients admitted to the ICU of HLA Moncloa Hospital over four years. Patients admitted to the ICU, undergoing insulin treatment, and having a CGM sensor. * Patients who sign the voluntary consent to participate in the study (Annex 2). If the participant is not in full physical or intellectual capacity to provide their signature on the informed consent, the responsible investigator will request such consent from their direct family member or the person legally designated to make decisions on their behalf regarding health matters. This measure is taken to ensure that the participant\'s rights are respected, and the integrity of the consent process is maintained, even in situations where their decision-making capacity may be compromised. Exclusion Criteria: * Patients from whom information on CGM cannot be obtained for technical reasons.