肋软骨对颈脊髓损伤患者吸气能力的影响

IF 2.1 Q3 PHYSIOLOGY Current research in physiology Pub Date : 2024-01-01 DOI:10.1016/j.crphys.2024.100127

Ryo Yoshida , Kenta Kawamura , Yukako Setaka , Hyunjae Woo , Nobuhisa Ishii , Masafumi Mizukami , Hirotaka Mutsuzaki , Kazuhide Tomita

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引用次数: 0

摘要

背景颈脊髓损伤（CSI）通常会导致呼吸功能受损，影响患者的整体健康。本研究旨在探讨肋骨运动对 CSI 患者吸气能力的影响。方法我们对 11 名 CSI 患者进行了一项研究，采用了呼吸电感胸透（RIP）技术。在测量 RIP 的同时，我们还通过肺活量测定法测量了通气量。我们要求参与者做最大吸气动作。根据肺活量波形计算吸气容量（IC）。我们将胸部和腹部的呼吸波形转换为肺活量计测得的吸气量。胸部传感器测得的吸气量被定义为 VRIP-rib cage（VRIP-rc），腹部传感器测得的吸气量被定义为 VRIP-abdomen （VRIP-ab）。结果平均 IC 为 1.828 ± 0.459 L，平均 VRIP-rc 为 1.343 ± 0.568 L，平均 VRIP-ab 为 0.485 ± 0.427 L。结论本研究强调了肋骨运动在评估 CSI 患者吸气能力中的重要性。

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Rib cage contributions to inspiratory capacity in patients with cervical spinal cord injury

Background

Cervical spinal cord injury (CSI) often leads to impaired respiratory function, affecting the overall well-being of patients. This study aimed to investigate the influence of rib cage motion on inspiratory capacity in CSI patients.

Methods

We conducted a study with 11 CSI patients, utilising respiratory inductance plethysmography (RIP). We measured ventilatory volume by spirometry concurrently with RIP. Participants were instructed to perform maximal inspiratory efforts. Inspiratory capacity (IC) was calculated from spirometry waveforms. We converted the respiratory waveforms of the chest and abdomen into inspiratory volume measured by a spirometer. The inspiratory volume measured by the chest sensor was defined as V_{RIP-rib cage} (V_RIP-rc), and the inspiratory volume measured by the abdominal sensor was defined as V_RIP-abdomen (V_RIP-ab). Subsequently, the relationships of IC with V_RIP-rc and V_RIPab were assessed.

Results

The mean IC was 1.828 ± 0.459 L, with the mean V_RIP-rc at 1.343 ± 0.568 L and the mean V_RIP-ab at 0.485 ± 0.427 L. A significant correlation was observed between IC and V_RIP-rc (r = 0.67, p = 0.02), indicating that rib cage motion significantly influences IC in CSI patients.