"Save the Vein" Initiative in Children With CKD: A Quality Improvement Study

A Systematic Literature Review on the Use of Dried Biofluid Microsampling in Patients With Kidney Disease

BACKGROUND

Kidney disease is fairly unique due to the lack of symptoms associated with disease activity, and it is therefore dependent on biological monitoring. Dried biofluids, particularly dried capillary blood spots, are an accessible, easy-to-use technology that have seen increased utility in basic science research over the past decade. However, their use is yet to reach the kidney patient population clinically or in large-scale discovery science initiatives. The aim of this study was to systematically evaluate the existing literature surrounding the use of dried biofluids in kidney research.

METHODS

A systematic literature review was conducted using three search engines and a predefined search term strategy. Results were summarised according to the collection method, type of biofluid, application to kidney disease, cost, sample stability and patient acceptability.

RESULTS

In total, 404 studies were identified and 67 were eligible. In total, 34,739 patients were recruited to these studies with a skew towards male participants (> 73%). The majority of samples were blood, which was used either for monitoring anti-rejection immunosuppressive drug concentrations or for kidney function. Dried biofluids offered significant cost savings to the patient and healthcare service. The majority of patients preferred home microsampling when compared to conventional monitoring.

CONCLUSION

There is an unmet need in bringing dried microsampling technology to advance kidney disease despite its advantages. This technology provides an opportunity to upscale patient recruitment and longitudinal sampling, enhance vein preservation and overcome participation bias in research.

Exchange of Extracorporeal Membrane Oxygenation Cannulas for Hemodialysis Catheters in Children Requiring Renal Replacement Therapy

BACKGROUND

Pediatric patients requiring extracorporeal membrane oxygenation (ECMO) may require renal replacement therapy even after decannulation. However, data regarding transition from ECMO cannulation to a hemodialysis catheter in pediatric patients is not currently available.

METHODS

Patients <18 years old who had an ECMO cannula exchanged for a hemodialysis catheter during decannulation at a tertiary care children's center from January 2011 to September 2022 were identified. Data was collected from the electronic medical record.

RESULTS

A total of 10 patients were included. The cohort was predominantly male (80.0%, n = 8) with a median age of 1 day (IQR 1.0, 24.0). All ECMO cannulations were veno-arterial in the right common carotid artery and internal jugular vein. The median time on ECMO was 8.5 days (IQR 6.0, 15.0). One patient had the venous cannula exchanged for a tunneled hemodialysis catheter during decannulation, two were transitioned to peritoneal dialysis, and seven had the temporary hemodialysis catheter converted to a tunneled catheter by Interventional Radiology (when permanent access was required) at a median time of 10 days (IQR 8.0, 12.5). Of these 7 patients, 28.6% (n = 2) developed catheter-associated infection within 30 days of replacement, with one requiring catheter replacement. Transient bloodstream infection occurred in 10.0% (n = 1) within 30 days of ECMO cannula exchange.

CONCLUSION

Venous ECMO cannula exchange for a hemodialysis catheter in children requiring renal replacement therapy after decannulation is possible as a bridge to a permanent hemodialysis or peritoneal catheter if renal function does not recover, while supporting vein preservation.

A standardized educational program to improve peripheral vascular access outcomes in the emergency department: A quasi-experimental pre-post trial

OBJECTIVE

Difficult intravenous access (DIVA) patients are known to have disproportionately poorer vascular access outcomes. The impact of education and training on vascular access outcomes in this vulnerable population is unclear. We aim to demonstrate the success of a program (Operation (O) STICK) on improving vascular access outcomes in DIVA patients.

METHODS

This was a quasi-experimental pre-post interventional study conducted at a tertiary care emergency department (ED) with 120,000 annual visits and 1100 hospital beds. Adult patients requiring an ultrasound-guided (US) peripheral intravenous catheter (PIVC) in the ED were eligible participants. Traditional (palpation method) insertions were excluded. Using multivariable linear regression and inverse probability weighted (IPW) linear regression, the standard group inclusive of PIVCs inserted by staff without formalized OSTICK training were compared to the interventional group inclusive of PIVCs inserted by staff with training and competency in the OSTICK training model.

RESULTS

Data were collected over two time intervals: 4/1/21-9/30/21 (pre; non-OSTICK) and 10/1/22-3/31/23 (post; OSTICK). 2375 DIVA patients included 1035 (43.6%) non-OSTICK and 1340 (56.4%) OSTICK PIVCs. Overall, OSTICK PIVCs had a higher proportion of upper arm or forearm placements (94.6% vs 57.4%; p < 0.001), 20 gauge catheters (97.1% vs 92.3%; p < 0.001), and left-sided placements (54.4% vs 43.5%; p < 0.001). 62.7% of OSTICK PIVCs were placed by ED technicians, compared to 25.5% in the non-OSTICK group (p < 0.001). OSTICK PIVCs were placed on the first attempt 86.2% of the time and by the second attempt 95.4% of the time. In a subanalysis of 1343 hospitalized patients (689 (51.3%) OSTICK vs 654 (48.7%) non-OSTICK), OSTICK PIVCs survived for a median of 92% of the patient's hospital length of stay, compared to non-OSTICK PIVCs at 74% (p < 0.001).

CONCLUSIONS

Formalized vascular access training in the ED leads to improved adherence to best practices for PIVC insertion, high success of cannulation with minimal attempts, and improved PIVC functionality during hospitalization for DIVA patients. Importantly, these outcomes are sustainable as they were captured 12 months after implementation of the program.

Chronic Kidney Disease in Children

Chronic kidney disease (CKD) in children occurs mostly due to congenital anomalies of kidney and urinary tract and hereditary diseases. For advanced cases, a multidisciplinary team is needed to manage nutritional requirements and complications such as hypertension, hyperphosphatemia, proteinuria, and anemia. Neurocognitive assessment and psychosocial support are essential. Maintenance dialysis in children with end-stage renal failure has become the standard of care in many parts of the world. Children younger than 12 years have 95% survival after 3 years of dialysis initiation, whereas the survival rate for children aged 4 years or younger is about 82% at one year."