Journal of Clinical Medicine Research, ISSN 1918-3003 print, 1918-3011 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Clin Med Res and Elmer Press Inc
Journal website http://www.jocmr.org

Case Report

Volume 10, Number 10, October 2018, pages 791-794


Dabigatran-Induced Acute Interstitial Nephritis: An Important Complication of Newer Oral Anticoagulation Agents

Figures

Figure 1.
Figure 1. Light microscopy of kidney biopsy specimen (stained with H&E) showed tubulointerstitial inflammation: interstitial inflammatory infiltrates with prominent granular sites including eosinophils and neutrophils.
Figure 2.
Figure 2. Light microscopy of kidney biopsy specimen stained with H&E. Interstitial eosinophils: eosinophils (arrow), seen present within the renal interstitium diagnostic of acute interstitial nephritis
Figure 3.
Figure 3. Granulocytic tubulitis: renal tubules seen with granulocytes including neutrophils and eosinophils (arrow).

Table

Table 1. Summary of Laboratory Data (Trend in BUN, Creatinine, WBC and INR)
 
Laboratory examinationsBaseline4 weeks after initiation of dabigatranAt admission1 week after corticosteroid therapy
Table shows the laboratory values before and 4 weeks after initiation of dabigatran, prior to hospitalization, and 1 week after initiation of corticosteroid therapy.
Biochemistry (normal values)
  Sodium (136 - 145 mmol/L)144143135143
  Potassium (3.5 - 5.2 mmol/L)3.94.54.24.3
  Chloride (96 - 110 mmol/L)112114118114
  Bicarbonate (24 - 31 mmol/L)20111222
  Blood urea nitrogen (5 - 25 mg/dL)3510311553
  Creatinine (0.61 - 1.24 mg/dL)1.34.75.062.73
  Glucose (70 - 99 mg/dL)10196121195
International normalized ratio (0.88 - 1.15)2.33.94.012.1
Complete blood count
  White cell count (4.5 - 11.0 ku/L)9.517.819.217.5
  Hemoglobin (12.0 - 17.5 g/dL)11.18.98.08.6
  Hematocrit (36 - 53)342723.127.1
  Platelets (140 - 450 ku/L)277381426454