Recurrent Pleural Effusions Renal Amyloidosis Elderly Patient
Understanding Recurrent Pleural Effusions in Renal Amyloidosis
Table of Contents
Published September 27, 2025, at 12:10:44 PM
The complex Case of Renal Amyloidosis and Pleural Effusions
Renal amyloidosis, a rare condition caused by the buildup of amyloid proteins in the kidneys, can present with a variety of complications. A recent case study highlights the challenges in managing recurrent pleural effusions – fluid accumulation around the lungs – in an elderly female patient with this underlying condition. This case underscores the importance of recognizing these connections for effective patient care.
Patient Presentation and Diagnostic journey
The patient, an elderly woman, initially presented with symptoms indicative of heart failure. However, further inquiry revealed the presence of meaningful proteinuria (protein in the urine) and impaired renal function. Subsequent kidney biopsy on February 29, 2024, confirmed a diagnosis of renal amyloidosis, specifically light chain (AL) amyloidosis. This type of amyloidosis is associated with a plasma cell disorder.
The Emergence of Pleural Effusions
Following the amyloidosis diagnosis, the patient began experiencing recurrent pleural effusions. These were initially managed with repeated thoracentesis – the removal of fluid from the pleural space. Though, the effusions continued to reaccumulate, requiring ongoing intervention. Analysis of the pleural fluid revealed it was a transudate, meaning it had a low protein content, consistent with fluid leakage due to systemic conditions like heart failure or, in this case, amyloidosis.
Diagnostic Challenges and ruling Out Other Causes
differentiating the cause of the pleural effusions was crucial.The medical team meticulously ruled out other potential causes,including congestive heart failure,pulmonary embolism,and infection. Echocardiography showed onyl mild left ventricular dysfunction, making heart failure a less likely primary driver. The persistent and recurrent nature of the effusions, coupled with the established diagnosis of renal amyloidosis, strongly suggested a direct link.
Treatment and Management Strategies
The patient’s renal amyloidosis was treated with chemotherapy, specifically a regimen including cyclophosphamide, bortezomib, and dexamethasone (CyBorD). This treatment aims to reduce the production of the abnormal proteins causing the amyloid deposits. While the chemotherapy showed some initial response in reducing proteinuria, the pleural effusions persisted, albeit with a slower rate of reaccumulation. Continued thoracentesis remained necessary for symptomatic relief.
Implications for Clinical Practice
This case highlights the importance of considering renal amyloidosis in elderly patients presenting with unexplained pleural effusions, particularly those with concurrent renal dysfunction and proteinuria. Early diagnosis and appropriate treatment of the underlying amyloidosis are critical, although managing the associated pleural effusions often requires a multifaceted approach. the case demonstrates that even with treatment targeting the amyloidosis, supportive care like repeated thoracentesis may be necessary for prolonged periods to improve patient comfort and quality of life.