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David Madl
2026-05-05 10:22:17 +02:00
commit 9a24865016
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sql/durations/dopamine_dose.sql Normal file
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-- THIS SCRIPT IS AUTOMATICALLY GENERATED. DO NOT EDIT IT DIRECTLY.
DROP TABLE IF EXISTS dopamine_dose; CREATE TABLE dopamine_dose AS
-- This query extracts dose+durations of dopamine administration
-- Get drug administration data from CareVue first
with vasocv1 as
(
select
icustay_id, charttime
-- case statement determining whether the ITEMID is an instance of vasopressor usage
, max(case when itemid in (30043,30307) then 1 else 0 end) as vaso -- dopamine
-- the 'stopped' column indicates if a vasopressor has been disconnected
, max(case when itemid in (30043,30307) and (stopped = 'Stopped' OR stopped like 'D/C%') then 1
else 0 end) as vaso_stopped
, max(case when itemid in (30043,30307) and rate is not null then 1 else 0 end) as vaso_null
, max(case when itemid in (30043,30307) then rate else null end) as vaso_rate
, max(case when itemid in (30043,30307) then amount else null end) as vaso_amount
FROM inputevents_cv
where itemid in
(
30043,30307 -- dopamine
)
group by icustay_id, charttime
)
, vasocv2 as
(
select v.*
, sum(vaso_null) over (partition by icustay_id order by charttime) as vaso_partition
from
vasocv1 v
)
, vasocv3 as
(
select v.*
, first_value(vaso_rate) over (partition by icustay_id, vaso_partition order by charttime) as vaso_prevrate_ifnull
from
vasocv2 v
)
, vasocv4 as
(
select
icustay_id
, charttime
-- , (CHARTTIME - (LAG(CHARTTIME, 1) OVER (partition by icustay_id, vaso order by charttime))) AS delta
, vaso
, vaso_rate
, vaso_amount
, vaso_stopped
, vaso_prevrate_ifnull
-- We define start time here
, case
when vaso = 0 then null
-- if this is the first instance of the vasoactive drug
when vaso_rate > 0 and
LAG(vaso_prevrate_ifnull,1)
OVER
(
partition by icustay_id, vaso, vaso_null
order by charttime
)
is null
then 1
-- you often get a string of 0s
-- we decide not to set these as 1, just because it makes vasonum sequential
when vaso_rate = 0 and
LAG(vaso_prevrate_ifnull,1)
OVER
(
partition by icustay_id, vaso
order by charttime
)
= 0
then 0
-- sometimes you get a string of NULL, associated with 0 volumes
-- same reason as before, we decide not to set these as 1
-- vaso_prevrate_ifnull is equal to the previous value *iff* the current value is null
when vaso_prevrate_ifnull = 0 and
LAG(vaso_prevrate_ifnull,1)
OVER
(
partition by icustay_id, vaso
order by charttime
)
= 0
then 0
-- If the last recorded rate was 0, newvaso = 1
when LAG(vaso_prevrate_ifnull,1)
OVER
(
partition by icustay_id, vaso
order by charttime
) = 0
then 1
-- If the last recorded vaso was D/C'd, newvaso = 1
when
LAG(vaso_stopped,1)
OVER
(
partition by icustay_id, vaso
order by charttime
)
= 1 then 1
-- ** not sure if the below is needed
--when (CHARTTIME - (LAG(CHARTTIME, 1) OVER (partition by icustay_id, vaso order by charttime))) > (interval '4 hours') then 1
else null
end as vaso_start
FROM
vasocv3
)
-- propagate start/stop flags forward in time
, vasocv5 as
(
select v.*
, SUM(vaso_start) OVER (partition by icustay_id, vaso order by charttime) as vaso_first
FROM
vasocv4 v
)
, vasocv6 as
(
select v.*
-- We define end time here
, case
when vaso = 0
then null
-- If the recorded vaso was D/C'd, this is an end time
when vaso_stopped = 1
then vaso_first
-- If the rate is zero, this is the end time
when vaso_rate = 0
then vaso_first
-- the last row in the table is always a potential end time
-- this captures patients who die/are discharged while on vasopressors
-- in principle, this could add an extra end time for the vasopressor
-- however, since we later group on vaso_start, any extra end times are ignored
when LEAD(CHARTTIME,1)
OVER
(
partition by icustay_id, vaso
order by charttime
) is null
then vaso_first
else null
end as vaso_stop
from vasocv5 v
)
-- -- if you want to look at the results of the table before grouping:
-- select
-- icustay_id, charttime, vaso, vaso_rate, vaso_amount
-- , vaso_stopped
-- , vaso_start
-- , vaso_first
-- , vaso_stop
-- from vasocv6 order by icustay_id, charttime;
, vasocv7 as
(
select
icustay_id
, charttime as starttime
, lead(charttime) OVER (partition by icustay_id, vaso_first order by charttime) as endtime
, vaso, vaso_rate, vaso_amount, vaso_stop, vaso_start, vaso_first
from vasocv6
where
vaso_first is not null -- bogus data
and
vaso_first != 0 -- sometimes *only* a rate of 0 appears, i.e. the drug is never actually delivered
and
icustay_id is not null -- there are data for "floating" admissions, we don't worry about these
)
-- table of start/stop times for event
, vasocv8 as
(
select
icustay_id
, starttime, endtime
, vaso, vaso_rate, vaso_amount, vaso_stop, vaso_start, vaso_first
from vasocv7
where endtime is not null
and vaso_rate > 0
and starttime != endtime
)
-- collapse these start/stop times down if the rate doesn't change
, vasocv9 as
(
select
icustay_id
, starttime, endtime
, case
when LAG(endtime) OVER (partition by icustay_id order by starttime, endtime) = starttime
AND LAG(vaso_rate) OVER (partition by icustay_id order by starttime, endtime) = vaso_rate
THEN 0
else 1
end as vaso_groups
, vaso, vaso_rate, vaso_amount, vaso_stop, vaso_start, vaso_first
from vasocv8
where endtime is not null
and vaso_rate > 0
and starttime != endtime
)
, vasocv10 as
(
select
icustay_id
, starttime, endtime
, vaso_groups
, SUM(vaso_groups) OVER (partition by icustay_id order by starttime, endtime) as vaso_groups_sum
, vaso, vaso_rate, vaso_amount, vaso_stop, vaso_start, vaso_first
from vasocv9
)
, vasocv as
(
select icustay_id
, min(starttime) as starttime
, max(endtime) as endtime
, vaso_groups_sum
, vaso_rate
, sum(vaso_amount) as vaso_amount
from vasocv10
group by icustay_id, vaso_groups_sum, vaso_rate
)
-- now we extract the associated data for metavision patients
, vasomv as
(
select
icustay_id, linkorderid
, rate as vaso_rate
, amount as vaso_amount
, starttime
, endtime
from inputevents_mv
where itemid = 221662 -- dopamine
and statusdescription != 'Rewritten' -- only valid orders
)
-- now assign this data to every hour of the patient's stay
-- vaso_amount for carevue is not accurate
SELECT icustay_id
, starttime, endtime
, vaso_rate, vaso_amount
from vasocv
UNION ALL
SELECT icustay_id
, starttime, endtime
, vaso_rate, vaso_amount
from vasomv
order by icustay_id, starttime;