06 May 2026
: Case report 
IgA-Associated Vasculitis Presenting With Acute Abdominal Syndrome in an Older Patient
Unusual clinical course, Challenging differential diagnosis, Diagnostic / therapeutic accidents, Management of emergency care
Bogumił Libura ACE 1, Marcel M. Majewski ABCEF 1, Katarzyna Pęczek-Bartyzel
BDEF 1*, Michał Nowicki ACDEFG 1
DOI: 10.12659/AJCR.950570
Am J Case Rep 2026; 27:e950570
Table 2 Laboratory test results during the second hospitalization. Findings consistent with acute kidney failure and overall clinical deterioration.
| Parameter (units) | On admission (second hospitalization) | Reference range |
|---|---|---|
| RBC (×10/μL) | 3.61 | 4.20–5.40 |
| HGB (g/dL) | 11.6 | 13.0–18.0 |
| WBC (×10/μL) | 10.6 | 4.0–10.0 |
| CRP (mg/L) | 9.2 | <5.0 |
| Fasting glucose (mg/dL) | 15.9 | 3.9–5.6 |
| Creatinine (μmol/L) | 381.7 | 53–115 |
| Serum urea (mmol/L) | 37.1 | 2.0–6.7 |
| Blood pH | 7.228 | 7.350–7.450 |
| pCO (mm Hg) | 27.1 | 35.0–45.0 |
| HCO (mol/L) | 12.7 | 21.0–27.0 |
| Sodium (mmol/L) | 126.8 | 135.0–145.0 |
| Potassium (mmol/L) | 6.74 | 3.50–5.10 |
| RBC – red blood cells; HGB – hemoglobin; WBC – white blood cell count; CRP – C-reactive protein. | ||