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Case Reports
. 2024 May 1;63(9):1311-1316.
doi: 10.2169/internalmedicine.1951-23. Epub 2023 Sep 29.

Successful Pregnancy Outcome in a Patient with Juvenile Idiopathic Arthritis in Adulthood, Amyloid A Amyloidosis, and Chronic Kidney Disease Using Tocilizumab with Strict Blood Pressure Control

Affiliations
Case Reports

Successful Pregnancy Outcome in a Patient with Juvenile Idiopathic Arthritis in Adulthood, Amyloid A Amyloidosis, and Chronic Kidney Disease Using Tocilizumab with Strict Blood Pressure Control

Taro Akira et al. Intern Med. .

Abstract

Pregnancies with chronic kidney disease (CKD) and high disease activity in rheumatic diseases are high-risk events with adverse outcomes for both the mother and fetus. We herein report a 35-year-old woman with juvenile idiopathic arthritis (JIA), amyloid A (AA) amyloidosis related to JIA, and CKD stage G4A2 who wished to have children. She achieved a successful pregnancy, even in the presence of these multiple risk factors, using tocilizumab to control the disease activity of JIA and AA amyloidosis, along with antihypertensive drugs to control her blood pressure before and during pregnancy.

Keywords: Juvenile idiopathic arthritis; amyloid A amyloidosis; chronic kidney disease; pregnancy; rheumatic diseases; tocilizumab.

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Conflict of interest statement

The authors state that they have no Conflict of Interest (COI).

Figures

Figure 1.
Figure 1.
Radiography images of both hands at 33 years old. Bone destruction is shown in both wrist joints.
Figure 2.
Figure 2.
Course of the renal function and treatment before pregnancy. PSL: prednisolone, MTX: methotrexate, SASP: salazosulfapyridine, ADA: adalimumab, ABT: abatacept, TCZ: tocilizumab, iv: intravenous, BP: blood pressure
Figure 3.
Figure 3.
Renal biopsy findings at 25 years old. Deposition of acidophilic substances in the vessels, tubular interstitium, and glomeruli was observed. The interstitium shows fibrosis. (A) The deposits were positive for direct fast scarlet (DFS). (B) Anti-amyloid A monoclonal antibody staining. (C) Periodic acid-Schiff (PAS) staining, including glomeruli. Three glomeruli can be seen, and those on the left and in the center are collapsed due to interstitial amyloid deposition. The image on the right shows amyloid deposition in the mesangial region.
Figure 4.
Figure 4.
Pregnancy and the puerperal course. TCZ: tocilizumab, iv: intravenous, BP: blood pressure, X: date of delivery

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References

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