{Reference Type}: Case Reports
{Title}: Cavitary Pneumonia Due to Methicillin-Resistant Staphylococcus aureus in a Non-Immunocompromised Patient After an Endoscopy: A Case Report.
{Author}: Briones-Claudett KH;Briones-Claudett MH;Martinez Armijo EA;Martinez Alvarez ME;Briones Zamora KH;Briones Marquez DC;Icaza-Freire AP;Grunauer M;
{Journal}: Am J Case Rep
{Volume}: 22
{Issue}: 0
{Year}: Jul 2021 13
暂无{DOI}: 10.12659/AJCR.930136
{Abstract}: BACKGROUND Methicillin-resistant Staphylococcus aureus (MRSA) pneumonia has well-defined characteristics. We present a case of cavitary pneumonia due to MRSA in a patient who had undergone a recent outpatient gastroscopic procedure. CASE REPORT A 32-year-old man presented at the Emergency Department with tonic-clonic seizures of 2 min durations. He had a history of seizures without current treatment or use of psychostimulant drugs. His personal history referred to hypothyroidism treated with levothyroxine, morbid type 3 obesity, gastritis with a gastric ulcer, penicillin allergies, and an ambulatory endoscopy with a biopsy (7 days ago) for erosive gastropathy. On the 3rd day of admission to the Intensive Care Unit (ICU), a bronchoscopy was performed, which showed a reddened mucosa with hemorrhagic points and a cavitary area in the right main bronchus. Multiple polymerase chain reaction and mass spectrometry analyses of samples of bronchioalveolar lavage from the bronchus revealed MRSA with a mechanism of resistance to the mecA gene (1×10⁵ colony-forming unit/mL). The laboratory results for the cerebrospinal fluid were negative for bacterial growth. CONCLUSIONS This is a rare case of cavitary pneumonia due to MRSA of clinical and epidemiological characteristics, which is unusual after an outpatient endoscopic procedure.