RDT Performance issues Index - Revision history

Admin at 09:32, 17 December 2024

2024-12-17T09:32:46Z

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Admin at 09:31, 17 December 2024

2024-12-17T09:31:42Z

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Admin at 16:57, 5 December 2024

2024-12-05T16:57:07Z

← Older revision		Revision as of 17:57, 5 December 2024
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	\|colspan="1" style = "font-size:140%; color:black; background: FFFAFA"\|<span style="color:black>'''~~Poor~~ performance of RDT tests'''</span>		\|colspan="1" style = "font-size:140%; color:black; background: FFFAFA"\|<span style="color:black>'''Causes for poor performance of RDT tests'''</span>

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	<span style="font-size:90%">'''1. Selection and procurement of MDTs'''</br>		<span style="font-size:90%">'''1. Selection and procurement of MDTs'''</br>

	<span style="font-size:90%">(a) Quality of test design/production. Historically there was significant variation of performance between tests and batches, this has been greatly improved with the WHO pre-qualification testing program that requires a minimum standard of performant, however users are still advised to check the performance of their selected test (see WHO testing information ref 2 above)</br>(b) Lot variability. Variability between different production batches has been observed and should be considered if RDT performance is less good than expected.</br>		<span style="font-size:90%">(a) Quality of test design/production. Historically there was significant variation of performance between tests and batches, this has been greatly improved with the WHO pre-qualification testing program that requires a minimum standard of performant, however users are still advised to check the performance of their selected test (see WHO testing information ref 2 above)</br>(b) Lot variability. Variability between different production batches has been observed and should be considered if RDT performance is less good than expected.</br></br>

	<span style="font-size:90%">'''2. Stability and storage issues'''</br>		<span style="font-size:90%">'''2. Stability and storage issues'''</br>

	<span style="font-size:90%">(a) RDTs typically have a shelf-life of 18–24 months providing storage is appropriate.</br>(b) Tests can suffer degradation if stored in inappropriate heat or humidity: generally tests are stable in the range 2–30°C or higher, but these limits may be exceeded in many countries, and continuous product refrigeration to the point of use may not be guaranteed in developing countries.		<span style="font-size:90%">(a) RDTs typically have a shelf-life of 18–24 months providing storage is appropriate.</br>(b) Tests can suffer degradation if stored in inappropriate heat or humidity: generally tests are stable in the range 2–30°C or higher, but these limits may be exceeded in many countries, and continuous product refrigeration to the point of use may not be guaranteed in developing countries.</br></br>

	<span style="font-size:90%">'''3. Operator training'''</br>		<span style="font-size:90%">'''3. Operator training'''</br>

	<span style="font-size:90%">(a)Problems in test usage may include inappropriate placement of test reagents or blood sample on RDT.</br>(b)Poor interpretation of faint lines.</br>(c) Inadequate training or reference materials		<span style="font-size:90%">(a)Problems in test usage may include inappropriate placement of test reagents or blood sample on RDT.</br>(b)Poor interpretation of faint lines.</br>(c) Inadequate training or reference materials

Admin at 16:56, 5 December 2024

2024-12-05T16:56:23Z

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	<span style="font-size:90%>		<span style="font-size:90%">'''1. Selection and procurement of MDTs'''</br>

			<span style="font-size:90%">(a) Quality of test design/production. Historically there was significant variation of performance between tests and batches, this has been greatly improved with the WHO pre-qualification testing program that requires a minimum standard of performant, however users are still advised to check the performance of their selected test (see WHO testing information ref 2 above)</br>(b) Lot variability. Variability between different production batches has been observed and should be considered if RDT performance is less good than expected.</br>

			<span style="font-size:90%">'''2. Stability and storage issues'''</br>

			<span style="font-size:90%">(a) RDTs typically have a shelf-life of 18–24 months providing storage is appropriate.</br>(b) Tests can suffer degradation if stored in inappropriate heat or humidity: generally tests are stable in the range 2–30°C or higher, but these limits may be exceeded in many countries, and continuous product refrigeration to the point of use may not be guaranteed in developing countries.

			<span style="font-size:90%">'''3. Operator training'''</br>

			<span style="font-size:90%">(a)Problems in test usage may include inappropriate placement of test reagents or blood sample on RDT.</br>(b)Poor interpretation of faint lines.</br>(c) Inadequate training or reference materials

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2024-12-05T16:53:58Z

Created page with "{{DISPLAYTITLE:{{FULLPAGENAME}}}} ---- back ---- {| class="wikitable" style="widthe:90%; border-style: solid; border-width: 4px; border-color:teal" |colspan="1" style = "font-size:140%; color:black; background: FFFAFA"|'''Poor performance of RDT tests''' ---- "

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