Efficacy and clinical outcome of the port-a-cath in children: a tertiary care-center experience

Incidence of and Risk Factors for Central Venous Catheter Thrombosis: Results from a Single-Center Pediatric Intensive Care Unit

BACKGROUND

Central Venous Catheter (CVC) is a necessary and important tool in managing acutely ill children and those needing complex care. CVC enables infusing venous medication, fluids, blood products, chemotherapy, total parental nutrition, and painless withdrawal of blood for laboratory testing when needed.

OBJECTIVE

To identify the incidence and risk factors for Central Venous Catheter-Related Thrombosis (CVC-RT) among patients admitted to the Pediatric Intensive Unit.

METHOD

This was a prospective, observational, single-center study that was conducted over 17 months from September 2019 to January 2021 at King Abdulaziz Medical City, Jeddah.

DESIGN

Prospective observational study.

SETTING

King Abdulaziz Medical City, a tertiary care center in the western region of Saudi Arabia.

PATIENTS

Pediatric patients aged 1 to 168 months who were admitted to the PICU and required central line insertion (whether inserted centrally or peripherally) for more than 48 hours were included. Screening for thrombosis was performed within day 4-7 post-line insertion and again on the 14th day.

RESULTS

A total of 255 patients were enrolled over 17 months. The incidence rate of CVC-RT was 5.4%. The type of CVC was significantly different between the two groups; in the no thrombosis group, 59.2% had a central line while in the CVC-RT groups, 51.9% had a PIC line (p = 0.027). In a multivariate regression analysis including patients' clinical profile, high D-dimer as baseline and low platelets were both significant risk factors for CVC-RT [adjusted OR = 3.22, CI (1.25-8.28), p = 0.015 and adjusted OR = 7.38, CI (2.18-25.02), p = 0.001], respectively.

CONCLUSIONS

The current study found that PIC line was associated with an increased risk of CVC-RT, which is congruent with the literature. As children with CVC can have multiple risk factors for developing CVC-RT, it is important to conduct further large prospective studies to identify such factors and decrease the incidence of CVC-RT.

The effect of a biofeedback-based virtual reality game on pain, fear and anxiety levels during port catheter needle insertion in pediatric oncology patients: A randomized controlled study

PURPOSE

It is essential to control pain, fear, and anxiety related to medical procedures to improve the well-being of the child and family trying to cope with the disease process. This study investigated the impact of the biofeedback-based virtual reality game (BioVirtualPed) on pain, fear, and anxiety levels during port needle insertion in pediatric oncology patients (POPs).

METHODS

This randomized controlled study was conducted at a hospital between August and December 2023 involving 62 POPs aged 6-12 and their mothers. The intervention group wore a virtual reality headset and a respiratory sensor during the procedure. Data were collected using the Descriptive Information Form, Wong-Baker Pain Assessment Scale, Child Fear Scale, Children's State Anxiety, Satisfaction Scoring-Visual Analog Scale, and ADXL354 Sensor. Statistical analysis was performed using IBM SPSS for Windows Version 24.0.

RESULTS

The intervention group showed lower mean pain scores than the control group (p < 0.001). There was no difference in pre-procedure fear and anxiety scores between groups (p > 0.05 and p > 0.05, respectively). Post-procedure fear and anxiety scores were lower in the intervention group (p < 0.001 and p < 0.001, respectively). The intervention group's mean respiratory rates were lower (p < 0.001), and their satisfaction scores were higher (p < 0.001). Agreements between POPs and mothers on pain, fear, and anxiety scores were good and excellent across groups (p < 0.001).

CONCLUSIONS

The BioVirtualPed reduced procedure-related pain, anxiety, and fear, increased care satisfaction, and had a positive effect on the mean respiratory rate, hence it shows promising results, but these findings need further comfirmation.

Device Related Thrombosis and Bleeding in Pediatric Health Care: A Meta-analysis

CONTEXT

The risk of invasive device-related thrombosis and bleeding contributes to morbidity and mortality, yet their prevalence by device-types is poorly understood.

OBJECTIVES

This study aimed to estimate pooled proportions and rates of thrombotic and bleeding complications associated with invasive devices in pediatric health care.

DATA SOURCES

Medline, CINAHL, Embase, Web of Science, Scopus, Cochrane CENTRAL, clinical trial registries, and unpublished study databases were searched.

STUDY SELECTION

Cohort studies and trials published from January 2011 to June 2022, including (1) indwelling invasive devices, (2) pediatric participants admitted to a hospital, (3) reporting thrombotic and bleeding complications, and (4) published in English, were included.

DATA EXTRACTION

Meta-analysis of observational studies in epidemiology guidelines for abstracting and assessing data quality and validity were used.

MAIN OUTCOMES AND MEASURES

Device-specific pooled thromboses (symptomatic, asymptomatic, unspecified) and bleeding (major, minor).

RESULTS

Of the 107 studies, 71 (66%) focused on central venous access devices. Symptomatic venous thromboembolism in central venous access devices was 4% (95% confidence interval [CI], 3-5; incidence rate 0.03 per 1000 device-days, 95% CI, 0.00-0.07), whereas asymptomatic was 10% (95% CI, 7-13; incidence rate 0.25 per 1000 device-days, 95% CI, 0.14-0.36). Both ventricular assist devices (28%; 95% CI, 19-39) and extracorporeal membrane oxygenation (67%; 95% CI, 52-81) were often associated with major bleeding complications.

CONCLUSIONS

This comprehensive estimate of the incidence and prevalence of device-related thrombosis and bleeding complications in children can inform clinical decision-making, guide risk assessment, and surveillance.

Doxorubicin Extravasation from a Port-a-cath into Pleural Space in a Young Girl: A Case Report and Review of Literature

Extravasation of chemotherapeutic agents from a peripheral cannula is a known problem, and to prevent that, oncology units use central vein access with indwelling catheters such as port-a-cath or Hickman catheter. The intrapleural extravasation of chemotherapeutic agents is a rare event. We describe a 9-year-old girl with newly diagnosed Ewing's sarcoma of the left upper humerus receiving neoadjuvant chemotherapy through a newly inserted port-a-cath device. The patient developed tachypnea and right-sided chest pain on day 2 of chemotherapy. The radiological investigations confirmed the extravasation of doxorubicin into the pleural space. The surgical washout with chest-drain insertion was done, and we continued flushing with normal saline until the drain fluid became clear. She has completed neoadjuvant therapy. This case report shines light into scenarios where extravasation of anthracycline into the pleural cavity or thorax can be managed conservatively and in settings where dexrazoxane is unavailable without causing much delay in restarting the chemotherapy.

Why do subcutaneous ports get stuck? A case-control study

PURPOSE

We sought to identify clinical features associated with difficult subcutaneous port removals in children.

METHODS

Ports placed between April 2014 and September 2017 at our institution were prospectively tracked for difficult removals. A case-control analysis was performed. Patients with ports that were difficult to remove (stuck; cases) were compared to biological sex and age-matched controls in a ratio of 1:3. Logistic regression determined the association between case/control status and clinical features adjusting for biological sex and age as covariates. A multivariable analysis was performed to identify independent associations.

RESULTS

57 stuck ports (28 extreme [10 endovascular intervention] and 29 moderate) and 171 controls were analyzed. Stuck ports were associated with a diagnosis of acute lymphoblastic leukemia (86% cases versus 22.2% controls; p < 0.001) and a longer placement duration (median 2.6 years [interquartile range (IQR) 2.5-2.6] versus 0.8 years [IQR 0.5-1.4]; p < 0.001). On univariate analysis, procedural and device features associated with stuck ports included subclavian access (71.9% cases versus 48.5% controls; p = 0.0126), a polyurethane versus silicone catheter (96.5% cases versus 79.9% controls; p = 0.001), and a rough catheter appearance at removal (92.6% cases versus 9.4% controls; p < 0.0001). A diagnosis of ALL and duration of line placement were associated with having a stuck port on multivariate analysis.

CONCLUSION

Polyurethane central venous catheters placed for the two-year treatment of acute lymphoblastic leukemia may become difficult to remove. This constellation of factors warrants more extensive preoperative discussion of risk, endovascular backup availability, and scheduling for longer operating room time.

Results of Port-A-Cath Implantation: A Cross-Sectional Study about a Single Tertiary Cancer Center Experience

Background: Identifying possible complications accompanying central venous catheterization may improve the results. The current study was conducted to clarify the complication rate among port-a-cath implantation in children referred to Ali-Asghar hospital from 2011 to 2015. This study was designed to determine complication rates among the pediatric population who underwent port-a-cath implantation for chemotherapy. Methods: The current observational study reviewed the medical documents of children who were referred to Ali-Asghar hospital from 2011 to 2015. Factors such as underlying disease, demographic characteristics, complications and their management were considered. We analyzed the results of this study using multivariate logistic regression. Results: A total number of 100 patients met the eligibility criteria. In Thirty-two cases, chemoport catheters were removed due to complication management or termination of adjuvant chemotherapeutic treatment. Fifty-one boys and forty-nine girls enrolled in the study. The mean duration of catheter preservation defined per patient was 693 days ±1 year SD. 14 catheters were removed followed by planned treatment termination, while 18 catheters were complicated due to port dysfunction, infection, skin necrosis, and extravasation, hematoma in order of decreasing. Conclusion: Chemo port utilization is mandatory in pediatric patients with cancers demanding adjuvant treatment. The possible complications would be managed by a variety of protocols. Respecting anti-septic principles by trained personnel will prevent the majority of associated complications.

Complications of surgical port-a-cath implantation in paediatric patients: a single institution experience

Background

Implantable vascular access devices (IVADs) provide durable routes for administering long-term treatments in patients. However, their associated complications pose a problem. One technique variation that can influence complication rates is the method of securing the IVADs, which is either by ligation or a purse-string suture.

Objective

To compare the two port-a-cath securing techniques, ligation and purse string, in terms of complication rates and types.

Study design

We prospectively included 67 paediatric patients who had port-a-cath insertions secured either by ligation or a purse-string suture at Salmaniya Medical Complex in Bahrain from January 2018 to June 2021. We recorded demographics, diagnoses, port-a-cath site of insertion and securing technique, operative time, follow-up duration, and complications. Patients who had previous port-a-cath insertions or other chemotherapy lines were excluded.

Results

Port-a-caths were secured by ligation in 35 cases and by a purse-string suture in 32 cases. There were 58.9% males and 41.8% females; sex was not correlated with complications (P = 0.11). Patients’ ages ranged from 2 months to 13 years. The overall complication rate of port-a-cath insertions was 16.42%. Complications occurred in 25.7% of ligation-secured port-a-caths and 6.3% of purse-string-secured port-a-caths. In the ligation-secured IVADs, complications included malfunction, infections, removal difficulty and blockage, malposition, and haematoma. Meanwhile, only leakage occurred in the purse-string-secured IVADs.

Conclusion

The port-a-cath securing technique was significantly correlated with complication rates. The complication types and rates in purse-string-secured catheters were lower than those reported in the literature. Leakage was the only complication that occurred in purse-string-secured port-a-caths.

Percutaneous implantation of peripherally inserted totally implantable venous access systems in the forearm in adolescent patients

BACKGROUND

Children with different underlying malignant diseases require long-term central venous access. As for port systems in a pectoral position, peripherally implanted port systems in the forearm revealed high levels of technical and clinical success in adult cohorts.

OBJECTIVE

To investigate the technical and clinical outcomes of percutaneous central venous port implantation in the forearm in adolescents.

MATERIALS AND METHODS

Between April 2010 and August 2020, 32 children ages 9 to 17 years with underlying malignancy received 35 totally implantable venous access ports (TIVAPs) in the forearm. All venous port systems were peripherally inserted under ultrasound guidance. Correct catheter placement was controlled by fluoroscopy. As primary endpoints, the technical success, rate of complications and catheter maintenance were analyzed. Secondary endpoints were the side of implantation, vein of catheter access, laboratory results on the day of the procedure, procedural radiation exposure, amount of contrast agent and reasons for port device removal.

RESULTS

Percutaneous TIVAP placement under sonographic guidance was technically successful in 34 of 35 procedures (97.1%). Procedure-related complications did not occur. During the follow-up, 13,684 catheter days were analyzed, revealing 11 complications (0.8 per 1,000 catheter-duration days), Of these 11 complications, 7 were major and 10 occurred late. In seven cases, the port device had to be removed; removal-related complications did not occur.

CONCLUSION

Peripheral TIVAP placement in the forearms of children is a feasible, effective and safe technique with good midterm outcome. As results are comparable with standard access routes, this technique may be offered as an alternative when intermittent venous access is required.

Iatrogenic vascular trauma and complications of vascular access in children

Vascular access is frequently a critical component of the diagnostic and therapeutic procedures required to manage childhood illnesses, including many emergent conditions and critical illnesses. Vascular access in the pediatric population presents unique challenges, and many clinical and technical factors must be considered to avoid complications that can occur with vascular access procedures. This article reviews various aspects of vascular access and associated iatrogenic trauma in children, including risk factors, management of complications, and preventive measures to avoid complications. It is only with a comprehensive understanding of the topic that vascular access in children can be performed safely, effectively, and efficiently.

Port-a-Cath Insertion in Pediatric Patients With Malignancy in Tabuk

Objectives

A port-a-cath has become the cornerstone of supportive care and therapy for most childhood malignancies. It is routinely used in children for recurrent blood sampling or intravenous therapies. This study aimed to investigate the complications of port-a-cath insertion in children, the reasons for its removal or reinsertion, and to compare open and percutaneous techniques of insertion in pediatric patients with cancer in the northwest region of Saudi Arabia.

Materials and methods

This is a retrospective observational study, which reviews pediatric cases that underwent port-a-cath insertion between 2008 and 2017. Their medical records were assessed for patient characteristics, indications for insertion, the nature of port use, their reasons for removing them, and port-related complications. 

Results

We included 64 patients who had a total of 79 port-a-cath insertions in this study. The median age at first insertion was 38 months (51.56% female, 48.44% male). The mean duration between the first insertion and the removal of the port-a-cath was 36 ± 17 months. The right internal jugular vein was used in most cases. The rate of complications at our institution was 9.38%.

Conclusions

In pediatric cancer patients, a port-a-cath can be safely used, is associated with minimal complications, and can be easily managed without serious complications. The most common complications were attributed to infections, followed by the malfunction and obstruction of ports.

Management of Postoperative Complications Following Common Pediatric Operations

This review discusses complications unique to pediatric surgical populations. Here the authors focus primarily on five of the most common procedures performed in children: appendectomy, central venous catheterization, pyloromyotomy, gastrostomy, and inguinal/umbilical hernia repair.