Comparing the Effectiveness of a Safety Intravenous Cannula With a Standard Intravenous Cannula in Neonates (LittleReed)

NHS Foundation Trust logo

NHS Foundation Trust

Status

Completed

Conditions

Preterm Infant

Treatments

Device: IVcannulation

Study type

Interventional

Funder types

Other

Identifiers

NCT03597711
R04615

Details and patient eligibility

About

A smaller caliber of intravenous cannulae decreases the number of thrombi and phlebitis and improves the duration of peripheral access. It also reduces the incidence of extravasation. 26G cannulae are easier to insert and reduce the number of attempts for cannulation. Safety cannulae are equivalent in terms of durability and ease of insertion, additionally providing a reduction in needle stick injury amongst healthcare professionals and patients. The goal of this study is to reduce the number of peripheral line insertions and resulting complications in neonates. The Investigators propose to compare 24G safety and 26G safety cannulae with non-safety 24G cannulae in infants < 32 weeks Gestation and < 1.5 kg weight in terms of length of stay of cannula, ease of insertion and rates of complications such as thrombosis, phlebitis and extravasation. The Investigators will also evaluate the frequency of needle stick injury to staff and patients in the course of the study.

Full description

Peripheral venous cannulation is a common procedure on neonatal NICU. Insertion of peripheral cannulae in neonates is a painful and stressful procedure (5) and it is therefore desirable to minimize the number of procedures by increasing the survival time of each cannula. The incidence of phlebitis is variously described as 20 - 80% (2). Failure of venous access is often due to thrombi, phlebitis and extravasation. Mechanical phlebitis can be avoided by using the smallest gauge cannula capable of delivering the prescribed drug. (1) Mechanical phlebitis occurs where there is movement of a foreign object (cannula) within a vein causing friction and subsequent inflammation(3). Success rates for cannulation depend on a range of factors including the clinician's experience, gauge of cannula and infants weight as well as the condition of veins. Median survival of 24G Teflon intravenous cannulae was described as 40 hours in one study (4). There are few studies on the appropriate sizing of intravenous cannulae in children. Flow rates for intravenous devise vary greatly depending on the manufacturer. Flow rates for 24G cannulae are 13 - 29 ml/min. The 26G cannulae achieve flow rates of 13 -19 ml/min which is adequate for use on NICU. The most commonly used devise on NICU SMH are 24G cannulae with a flow rates between13ml/min and 25 ml/min depending on manufacturer. In this study the proposed non-safety 24 G cannula achieves a flow rate of 25 ml/min whereas the safety 24G and 26 G cannula achieve 22ml/ min and 15ml/min respectively. Within the EU safety devices are mandatory since 2010 (6). Needle stick injuries during venepuncture pose a risk for healthcare professionals and other staff due to the transmission of blood borne pathogens such as Hepatitis B, Hepatitis C and HIV. This has cost implications for the NHS. Safety cannulae in both 24 and 26 G have been trialed on the investigator's NICU in 2017 and are felt to be an important addition providing both safe and reliable cannulation. The design of the safety cannula is very similar to cannulae already used on the unit and handling does not require change in practice. Due to the winged design of both safety and non-safety cannulae fixation of the line post insertion can be standardized.

Enrollment

24 patients

Sex

All

Ages

23 to 32 weeks old

Volunteers

No Healthy Volunteers

Inclusion criteria

Neonates < 32 Gestation < 1.5 kg weight Admitted to NICU,St Mary's Hospital Manchester.

Exclusion criteria

.Neonates with severe skin conditions such as Epidermolysis Bullosa. Infants of > 32 weeks Gestation > 1.5 kg in birth weight. .Known difficult venous access (clinical decision). .Expected transfer to different neonatal or paediatric unit within 24hr of intended cannulation. .Patients considered for reorientation of care or palliative care. .Infants previously recruited to the study who had a total of 3 episodes of randomization.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

24 participants in 3 patient groups

IVCannulation 24G non-safety cannula
Active Comparator group
Description:
Peripheral Intravenous cannulation using 24G non-safety cannula
Treatment:
Device: IVcannulation
IVCannulation 26G safety cannula
Active Comparator group
Description:
Peripheral Intravenous cannulation using 26G safety cannula
Treatment:
Device: IVcannulation
IVCannulation 24G safety cannula
Active Comparator group
Description:
Peripheral Intravenous cannulation using 24G safety cannula
Treatment:
Device: IVcannulation

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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