The Cut-off Rate of Skin Temperature Change to Confirm Successful Lumbar Sympathetic Block  

Oleh:

Park, SY ; Nahm, FS ; Kim, YC ; Lee, SC

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The Journal of International Medical Research vol. 38 no. 01 (Jan. 2010), page 266-275.
Topik: anaesthetics; lumbar sympathetic block; regional anaesthesia; onset; skin temperature; receiver operating characteristic (ROC) curve

Ketersediaan

Perpustakaan FK Nomor Panggil: J11.K.2010.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

The purpose of this study was to find the best cut-off value for the rate of change in temperature of the plantar surface of the foot for predicting the success of lumbar sympathetic block (LSB). A total of 185 LSBs were performed on 82 patients via a posterolateral approach under fluoroscopic guidance. Successful LSB was considered to have occurred when changes in the ipsilateral temperature between pre-block and post-block were ¡Ý 2 ¡ãC. A receiver operating characteristic (ROC) curve for the minimum rate of temperature change was constructed as a predictor of the onset of a successful LSB. The area under the ROC curve was 0.971 at the rate of 0.4 ¡ãC/min with a sensitivity of 89.5% and a specificity of 91.8%. Achieving a rate of temperature change of 0.4 ¡ãC/min within approximately 5 min of the injection of local anaesthetic could be used as an indicator of the onset of successful LSB.

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