Original Article
 

Erector Spinae Plane Block Modulates Immune Function in Minimally Invasive Lung Surgery

Abstract

Minimally invasive lung surgery still triggers significant inflammatory and immunosuppressive responses. This retrospective cohort study (January 2021–December 2023) assessed whether erector spinae plane block (ESPB) improves perioperative immune/cytokine balance in lung cancer patients undergoing elective minimally invasive surgery (ESPB, n=58; control, n=65).
Compared with controls, the ESPB group demonstrated superior perioperative outcomes. Hemodynamics at incision were more stable (MAP: 103.24±9.85 vs 112.40±11.23 mm Hg, HR: 86.17±7.91 vs 94.74±9.05 beats/min), and opioid consumption was significantly lower (intraoperative sufentanil: 33.12±3.93 vs 36.75±5.08 μg). Postoperative pain scores were reduced (resting VAS at 1 hour: median 2 vs 4), comfort scores higher (BCS at 1 hour: median 2 vs 1), and patient-controlled analgesia use less frequent (total PCA demands at 48 hours: 18.55±5.14 vs 23.45±5.97).
Immunologically, the ESPB group showed significantly attenuated suppression of cellular immunity, with higher CD3+ (60.92±4.74% vs 56.53±3.27% at 48 hours), CD4+ (38.16±4.29% vs 34.18±4.06% at 48 hours), CD4+/CD8+ ratio (1.23±0.17 vs 1.02±0.23 at 48 hours), and NK cells (21.03±3.45% vs 18.27±2.78% at 48 hours). The cytokine response was also modulated favorably: the rise in proinflammatory IL-6 (26.82±4.65 vs 32.55±5.21 pg/mL at 24 hours) and TNF-α (54.86±7.12 vs 61.55±6.01 pg/mL at 24 hours) was lower, while the anti-inflammatory IL-10 was higher in the ESPB group (28.12±4.43 vs 24.55±5.44 pg/mL at 24 hours).
Clinically, the ESPB group experienced a lower incidence of postoperative dizziness (3.45% vs 13.85%), earlier ambulation (24.36±4.24 vs 27.55±5.17 hours), and a shorter hospital stay (15.16±1.83 vs 17.54±2.39 days).

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Keywords
Cellular Cytokines Immunity Inflammation Nerve block Perioperative care

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Chen L, Chen D, Ruan Q, Zi H. Erector Spinae Plane Block Modulates Immune Function in Minimally Invasive Lung Surgery. Iran J Allergy Asthma Immunol. 2026;:1-16.