Agreed. I'll make contact with them again and propose this.
We have about 7% of patients duplicated but it's weighted heavily towards current, active patients which is where the risk is.
-----Original Message-----
From: ACB AKI-Detection-Algorithm [mailto:[log in to unmask]] On Behalf Of Hill Robert (NORTH BRISTOL NHS TRUST)
Sent: 09 September 2014 10:42
To: [log in to unmask]
Subject: Re: Test script for NHS England AKI Warning Algorithm
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OK - So the local configuration of Apex in Sheffield does not allow the CSC software module containing the "official" algorithm to operate effectively. That suggests to me that CSC need further development of their software module to take this into account. Once they have done this and validated it they should release the module and the test script to you. Presumably you would be keen to work with them on this so that others in the same position can also benefit. I wonder how many other users of this JISCMAIL group have the same multiple records for single patients problem? I'm sure most Trusts have some issues with this and even one duplicated record could be a clinical problem but could anyone who responds give a rough idea of the % of of patients with multiple records on their LIMS ?
The issue in the test script about NHS number is noted. This illustrates that the test script will not pick up some issues that need tackling in the software development/validation step. There are currently no plans to produce a comprehensive test script for software validation purposes.
You need to ask CSC about what they have put on their portal.
Dr Robert Hill
Consultant Clinical Biochemist
________________________________________
From: ACB AKI-Detection-Algorithm [[log in to unmask]] On Behalf Of David Drew [[log in to unmask]]
Sent: 09 September 2014 09:48
To: [log in to unmask]
Subject: Re: Test script for NHS England AKI Warning Algorithm
Locally developed does not imply that it differs from the official one regarding operation and output but implementation details will differ, inevitably, and it makes perfect sense to also have an official test set to prove consistency of output which do cover all parts of the algorithm.
But I'm puzzled why CSC released it on their portal - is this the same one ?
We'd love to use the commercial version but it won't deal with our duplicated records: the instruction ...
... enter the dummy patient data ensuring that the two samples have identical NHS numbers but different local identifiers (e.g. Hospital number). Different results will be generated depending on whether the multiple records have been reconciled or not ...
I.Laboratory does not allow 2 records to have the same NHS number. Nevertheless the PAS interface ignores that stricture and creates a new record with one but deletes the original NHS number index entry so we have 2 records but only one is detectable by NHS number.
-----Original Message-----
From: ACB AKI-Detection-Algorithm [mailto:[log in to unmask]] On Behalf Of Hill Robert (NORTH BRISTOL NHS TRUST)
Sent: 08 September 2014 23:43
To: [log in to unmask]
Subject: Re: Test script for NHS England AKI Warning Algorithm
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It depends what you mean by "check out" Anne. NHS England has to be careful about the intended use of a test script that it releases. The question implies that the locally developed algorithm differs from the NHS England AKI warning algorithm. For harmonisation reasons, NHS England is discouraging the use of variants of the algorithm.
The test script is intended as a verification tool for a LIMS system that contains the NHS England AKI Warning algorithm. It is not intended as a validation tool for software developers (local or commercial). The test script does not test every part of the algorithm.
Put more simply, obtaining a "pass" from all sections of the test script without a prior documented validation, ( showing identitcal functionality with the NHS England AKI warning algorithm), does not mean that a locally developed algorithm is suitable for use with patients. The MHRA has stated that it would regard any software module containing an AKI detection algorithm as a medical device.It is therefore essential that any software module is properly validated and registered with the MHRA. Simply running the test script may be insufficient to meet that requirement.
NHS England cannot allow or disallow use of the test script. The test script is being distributed to end users of validated software modules containing the NHS England AKI warning algorithm via the software providers i.e the LIMS suppliers.
Dr Robert Hill
Consultant Clinical Biochemist
Chair NHS England AKI Programme Detection Workstream ________________________________________
From: ACB AKI-Detection-Algorithm [[log in to unmask]] On Behalf Of Anne Dawnay [[log in to unmask]]
Sent: 08 September 2014 17:03
To: [log in to unmask]
Subject: Re: Test script for NHS England AKI Warning Algorithm
what is the rationale for not allowing labs to use the test script to check out any locally developed algorithm?
Anne
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