Low psoas muscle index as independent poor prognostic factor for diffuse large B-cell lymphoma in elderly patients

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Other Title
  • 低腸腰筋指数は高齢びまん性大細胞型B細胞リンパ腫患者における予後不良因子である
  • 低腸腰筋指数は高齢びまん性大細胞型B細胞リンパ腫患者における予後不良因子である : 第14回日本血液学会関東甲信越地方会 奨励賞
  • テイチョウ ヨウキン シスウ ワ コウレイビマンセイ ダイ サイボウガタ Bサイボウ リンパシュ カンジャ ニ オケル ヨゴ フリョウ インシ デ アル : ダイ14カイ ニホン ケツエキ ガッカイ カントウ コウシンエツチホウカイ ショウレイショウ

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Abstract

<p>Sarcopenia is associated with poor clinical outcomes in elderly patients with diffuse large B-cell lymphoma (DLBCL). However, the clinical significance and optimal assessment of sarcopenia remain unclear. We retrospectively evaluated the prognostic value of low skeletal muscle mass based on the psoas muscle index (PMI) in patients with DLBCL aged 70 years and older treated with R-CHOP therapy. We included 71 patients, including 27 classified under low PMI. There were no differences in baseline characteristics (body mass index, lactate dehydrogenase, performance status [PS], stage, revised-IPI, relative dose intensity) and overall response rate between the low and high PMI groups. The low PMI group had a significantly worse overall survival (OS, p=0.015), but not progression-free survival (PFS, p=0.252), compared with the high PMI group. On multivariate analysis, low PMI and PS were independent negative prognostic factors for OS. Subgroup analysis revealed that the low PS groups had significantly worse PFS regardless of the PMI status. The low PMI and low PS group had markedly poorer OS than all the other groups. However, the poor prognosis associated with low PS was overcome by a high PMI.</p>

Journal

  • Rinsho Ketsueki

    Rinsho Ketsueki 63 (1), 7-13, 2022

    The Japanese Society of Hematology

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