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Clinical Characteristics and Risk Factors for Pleural Effusion in Patients with Multiple Myeloma

Authors Kang Y, Hou ZL, Yang GZ, Wang XJ, Chen WM, Shi HZ

Received 10 January 2021

Accepted for publication 12 February 2021

Published 25 February 2021 Volume 2021:14 Pages 649—657

DOI https://doi.org/10.2147/IJGM.S300337

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser


Yu Kang,1 Zi-Liang Hou,2 Guang-Zhong Yang,3 Xiao-Juan Wang,1 Wen-Ming Chen,3 Huan-Zhong Shi4

1Department of Internal Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China; 2Department of Respiratory and Critical Care Medicine, Beijing Luhe Hospital, Capital Medical University, Beijing, People’s Republic of China; 3Department of Hematology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China; 4Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China

Correspondence: Huan-Zhong Shi; Wen-Ming Chen Email [email protected]; [email protected]

Purpose: Pleural effusion (PE) is prevalent in “real-life” populations of multiple myeloma (MM), a common hematologic malignancy. Development of PE likely has prognostic implications. The aim of this study was to investigate the characteristics and identify risk factors for occurrence of PE in MM.
Patients and Methods: We reviewed electronic medical records of 907 patients diagnosed with MM.
Results: Incidence of PE in MM patients was 42.7%. Small and bilateral PE in most cases. PE developed in all MM subtypes, the median time from diagnosis of multiple myeloma to pleural effusion was 6.8 months (range 0.8– 33.6 months). Patients with PE showed worse survival than those without PE (unadjusted hazard ratio with 95% confidence interval: 2.249 [1.774– 2.852]). No difference in survival was found between patients with small PE and those with moderate to large PE (unadjusted HR, 1.402; 95% CI, 1.037– 1.896). Plasma cell proportion (OR, 1.373; 95% CI, 1.153– 1.634; P = 0.009) and amyloidosis (OR, 1.791; 95% CI, 1.408– 2.279; P = 0.024) were risk factors for the occurrence of PE at the initial diagnosis of MM. Plasma cell proportion (OR, 1.853; 95% CI, 1.451– 2.368; P = 0.038), pneumonia (OR, 1.309; 95% CI, 1.143– 1.498; P = 0.008) and heart failure (OR, 1.815; 95% CI, 1.387– 2.374; P = 0.031) were risk factors for the occurrence of PE at relapse of MM.
Conclusion: The incidence of PE in MM patients is notable and PE can occur in all MM subtypes. PE indicates a poor prognosis, even small amounts of effusion. PE is a problem worthy of attention, especially in patients with high plasma cell proportion, amyloidosis or complicated with pneumonia and heart failure.

Keywords: pleural effusion, multiple myeloma, incidence, risk factors, overall survival

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