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This prospective study will be conducted to compare between the efficacy of both ECG-guided technique and anatomical landmark technique to detect the ideal positioning of dialysis catheter tip and whether it will decrease the radiation exposure or no?
Full description
This study will be conducted on 150 children and adolescents with end stage renal disease or any cause for urgent hemodialysis at our nephrology Unit at TUH during the period of the study and classified into two equal groups:
Group A (control): insertion of dialysis catheter using the anatomical landmark-guided technique.
Group B: insertion of dialysis catheter using the ECG-guided technique. Participants will be randomly assigned using an internet-based computer program (http://www.randomizer.org) either to the anatomical landmark group or to the ECG group.
All patients included in the study will be subjected to:
History taking including the cause of dialysis.
Clinical examination.
Investigations:
Procedure technique:
A single anesthiologist will perform the procedures in both groups under complete a septic condition after consent taking from the child guardians. All participants will be cannulated in the right internal jugular vein (IJV). The participants were placed in Trendelenburg position and the dialysis catheter will be inserted using catheter-over-guidewire technique (the Seldinger technique) with the aid of ultrasound for scanning the neck by the superficial probe (7-13 MHz).
In the ECG-guided technique, after inserting the dialysis catheter into right IJV, the guidewire will be then withdrawn until the tip to be exactly positioned at the entry of the Superior Vena Cava in the right atrium. This will be ECG guided: the p wave appears as biphasic wave in the RA then the catheter will be withdrawn at 0.5 cm intervals until the P-wave returned to a normal configuration. At that point, the catheter will be secured at the skin with suture and dressed with a transparent dressing.
In the anatomical landmark technique: Before insertion, the catheter depth was calculated from the insertion point to the catheter tip point (midway the vertical line from the clavicular head of sternocleidomastoid to inter nipple line.
After insertion of the dialysis catheter, the patient will be monitored for any hemodynamic deterioration and a repeat ultrasound-chest was done to rule out pneumothorax. An anterior-posterior CXR in supine position will be taken in all patients, to confirm the placement and positioning of the dialysis catheter.
The whole length of the SVC was defined on CXR as the area from the lower border on the first right costal cartilage close to the sternum to the conventional radiographic SVC-RA junction.
Post insertion CXR done in both groups to detect the adequate insertion length of the dialysis catheter, frequency of CXR for repositioning, time to dialysis catheter placement, and post procedural complications will be recorded.
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150 participants in 2 patient groups
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Sara Mabrouk Mohamed Elghoul
Data sourced from clinicaltrials.gov
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