Exploring the Effect of Pre-Connected Pressure Sensor on Ultrasound-Guided Radial Artery Puncture in Patients With Gastrointestinal Tumors: A Randomized Controlled Trial.
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Abstract
Background: This study aims to investigate the impact of pre-connecting pressure transducers on the efficacy of ultrasound-guided radial artery puncture and catheterization in patients with gastrointestinal tumors.
Methods: Seventy-five eligible patients undergoing elective gastrointestinal tumor surgery were randomly divided into two groups: the pre-connected pressure sensor puncture group (group p = 38) and the conventional puncture group (group C = 37). The patients' vital signs were monitored upon entering the room, and a senior anesthesiologist performed the radial artery puncture and catheterization for both groups. The radial artery puncture catheterization was guided by ultrasound in both groups. Prior to the puncture, patients in group P were pre-connected to the pressure sensor, and the system was primed with heparinized saline solution to expel air from the system. After zeroing, the radial artery puncture catheter was performed under ultrasound guidance, with group C undergoing direct ultrasound-guided puncture catheterization. The success rate of first puncture catheterization, puncture time, puncture times, and puncture failure rate were recorded.
Results: The success rate of radial artery catheterization on the first attempt was significantly higher in group P compared to group C (p = 0.046). In comparison to patients in group C, those in group P exhibited a reduction in arterial puncture failure rates (p = 0.04) and a lower incidence of subcutaneous hematoma (p = 0.02).
Conclusions: Pre-connecting a pressure sensor when performing radial artery puncture and catheterization in patients with gastrointestinal tumors can enhance the success rate of radial artery puncture and catheterization under ultrasound guidance.
Trial registration: ChiCTR.org.cn (ChiCTR2200064863). Date of registration: 4/5/2024.
期刊介绍：
The Journal of Clinical Ultrasound (JCU) is an international journal dedicated to the worldwide dissemination of scientific information on diagnostic and therapeutic applications of medical sonography.
The scope of the journal includes--but is not limited to--the following areas: sonography of the gastrointestinal tract, genitourinary tract, vascular system, nervous system, head and neck, chest, breast, musculoskeletal system, and other superficial structures; Doppler applications; obstetric and pediatric applications; and interventional sonography. Studies comparing sonography with other imaging modalities are encouraged, as are studies evaluating the economic impact of sonography. Also within the journal''s scope are innovations and improvements in instrumentation and examination techniques and the use of contrast agents.
JCU publishes original research articles, case reports, pictorial essays, technical notes, and letters to the editor. The journal is also dedicated to being an educational resource for its readers, through the publication of review articles and various scientific contributions from members of the editorial board and other world-renowned experts in sonography.
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