Vol - 25, Issue - 3
About the Journal
[This article belongs to Volume - 25, Issue - 3]
International Medical Journal
Journal ID : IMJ-09-03-2020-328
Total View : 142

Abstract : IV negative needleless Connector is a device that is connected to the hub of the Central Venous Catheter (CVC) and allows intermittent access to a vascular access device with an administration set or syringe without the use of needles. It is designed to have a negative pressure that could affect the CVP measurements. The purpose of this study was to compare CVP readings before and after the connection of the needleless connector to the CVC and how much does it affect CVP readings for adult ICU patients. A prospective observational study was conducted in a 21-bed in a tertiary referral hospital in Dammam, Saudi Arabia. The study started in November 2017 until July 2019. Participants were older than 18 years with central venous catheters on continuous CVP monitoring in adult critical care unit. During the study period (20 months) the first CVP reading before connecting the needleless connector and the second CVP reading were measured after connecting a sterile needleless connector to the CVC distal lumen while the time difference between every two CVP measurements (Pre and post) was 5-10 minutes. Data were analyzed using IBM SPSS version 24. Total participants were 110 patients, among which 62 (56.36%) where male and 48 (43.64%) were female. The average BMI was 20%. Paired t test showed statistical difference between the two readings before and after the connection respectively: (m± [SD]) (10.85± [4.38] vs. 11.8± [4.06], p ˂0.001). IV Negative needleless connector a significantly increased the central venous pressure measurements of adult ICU patients. This might lead to unnecessary additional diagnostic procedures. Using of IV neutral needleless connector with zero fluid displacement IV connectors might be considered for CVP measurements; however further research is warranted

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