کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
2762518 1150716 2014 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effects of thermoregulatory vasoconstriction on pulse hemoglobin measurements using a co-oximeter in patients undergoing surgery ★★★
کلمات کلیدی
موضوعات مرتبط
علوم پزشکی و سلامت پزشکی و دندانپزشکی بیهوشی و پزشکی درد
پیش نمایش صفحه اول مقاله
Effects of thermoregulatory vasoconstriction on pulse hemoglobin measurements using a co-oximeter in patients undergoing surgery ★★★
چکیده انگلیسی

Study ObjectiveTo validate intraoperative pulse hemoglobin (SpHb) measurements in anesthetized patients with large forearm temperature – fingertip temperature gradients.Designprospective and observational study.SettingOperating room of a university hospital.Patients28 patients undergoing surgery during general anesthesia, requiring arterial blood withdrawal.InterventionsRadial arterial blood pressure, forearm and fingertip skin surface temperatures, and SpHb were monitored.MeasurementsPaired SpHb and arterial hemoglobin (Hb) measurements at different skin-surface temperature gradients.Main ResultsA total of 175 paired SpHb and arterial Hb measurements were analyzed. The mean SpHb to arterial Hb differences in each group were 0.33 ± 1.41 g/dL in the < 1°C group of the forearm temperature – fingertip temperature gradient, -0.31 ± 1.24 g/dL in the 1 - 2°C group, - 0.59 ± 1.11 g/dL in the 2 - 3°C group, and - 0.53 ± 0.87 g/dL in the > 3°C group (P < 0.05). The percentage of nonmeasurable SpHb due to low perfusion state was 0% (0 of 115 paired measurements) in the < 1°C group, 6.7% (2 of 30 pairs) in the 1 - 2°C group, 16.7% (3 of 18 pairs) in the 2 - 3°C group, and 66.7% (8 of 12 pairs) in the > 3°C group.ConclusionSpHb measured at fingertip was significantly affected by the perfusion state, with lower perfusion associated with lower SpHb. Thermoregulatory vasoconstriction affects measurement of SpHb.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Clinical Anesthesia - Volume 26, Issue 8, December 2014, Pages 643–647
نویسندگان
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