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1 | 1 | -- This query calculates norepinephrine equivalent dose for vasopressors. |
2 | 2 | -- Based on "Vasopressor dose equivalence: A scoping review and |
3 | 3 | -- suggested formula" by Goradia et al. 2020. |
| 4 | + |
| 5 | +-- The relevant table makes the following equivalences: |
| 6 | +-- Norepinephrine - 1:1 - comparison dose of 0.1 ug/kg/min |
| 7 | +-- Epinephrine - 1:1 [0.7, 1.4] - 0.1 ug/kg/min |
| 8 | +-- Dopamine - 1:100 [75.2, 144.4] - 10 ug/kg/min |
| 9 | +-- Metaraminol - 1:8 [8.3] - 0.8 ug/kg/min |
| 10 | +-- Phenylephrine - 1:10 [1.1, 16.3] - 1 ug/kg/min |
| 11 | +-- Vasopressin - 1:0.4 [0.3, 0.4] - 0.04 units/min |
| 12 | +-- Angiotensin II - 1:0.1 [0.07, 0.13] - 0.01 ug/kg/min |
| 13 | + |
4 | 14 | SELECT stay_id, starttime, endtime |
5 | 15 | -- calculate the dose |
| 16 | + -- all sources are in mcg/kg/min, |
| 17 | + -- except vasopressin which is in units/hour |
6 | 18 | , ROUND(CAST( |
7 | 19 | COALESCE(norepinephrine, 0) |
8 | 20 | + COALESCE(epinephrine, 0) |
9 | 21 | + COALESCE(phenylephrine / 10, 0) |
10 | 22 | + COALESCE(dopamine / 100, 0) |
11 | 23 | -- + metaraminol/8 -- metaraminol not used in BIDMC |
12 | | - + COALESCE(vasopressin * 2.5/60, 0) |
| 24 | + + COALESCE(vasopressin * 2.5 / 60, 0) |
13 | 25 | -- angiotensin_ii*10 -- angiotensin ii rarely used, though |
14 | 26 | -- it could be included due to norepinephrine sparing effects |
15 | 27 | AS NUMERIC), 4) AS norepinephrine_equivalent_dose |
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