16 October 2025
: Case report 
A Hybrid Approach in Treating a Mycotic Aneurism Caused by MRSA: A Case Report
Challenging differential diagnosis, Management of emergency care, Rare disease
Camilo Andres Calderon-Miranda
ABDEF 1,2*, Luz Clemencia Zárate-Correa ACDEF 1,2, María Juliana Reyes-Cardona AEF 3,2, Pastor Olaya BDE 1,2, Jairo Sanchez-Blanco DE 1,2, Jorge Alexander Zambrano-Franco DE 1,2, Juan Pablo Carbonell EF 2,4, Enrique Carlos García-Pretelt BDE 2,5, Carlos Enrique Vesga-Reyes AEF 1,2
DOI: 10.12659/AJCR.950007
Am J Case Rep 2025; 26:e950007
Table 1 Laboratory test results at admission.
| Test | Patient’s value | Reference value | Unit |
|---|---|---|---|
| Leucocyte count | 23290 | 3980–10040 | /μL |
| Neutrophil count | 21590 | 1560–6130 | /μL |
| Lymphocyte count | 880 | 1000–4800 | /uL |
| Hemoglobin | 11 | 12–15.7 | g/dL |
| Platelets | 360000 | 182000–369000 | /μL |
| Blood urea nitrogen | 84.4 | 6–20 | mg/dL |
| Sodium | 136 | 135–145 | mmol/L |
| Potassium | 7.6 | 3.5–5.1 | mmol/L |
| Lactate | 2.11 | 0.5–2.2 | mmol/L |
| COVID-19 antigen test | Negative | ||
| Arterial blood gases | |||
| pH | 7.46 | 7.35–7.45 | |
| FiO | 0.5 | ||
| PO | 86 | 83–108 | mmHg |
| PO/FiO ratio | 172 | mmHg | |
| PCO | 32 | 35–48 | mmHg |
| HCO | 22.8 | 21–28 | mmol/L |
| BE | −1 | mmol/L | |
| FiO – fraction of inspired oxygen; PO – partial pressure of oxygen; PCO – partial pressure of carbon dioxide; HCO – bicarbonate; BE – base excess. | |||