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PubMedDate not supplied

Leading change: Retrospective evaluation of a nurse-led initiative in vascular access options for autologous stem cell transplant recipients ranging from Hickman catheters to peripherally inserted central catheters.

Central venous access is essential for patients undergoing autologous hematopoietic stem cell transplantation (ASCT). Traditionally, tunneled silastic catheters have been inserted in these patients. However, changes in resource allocation, resulting in reduced surgery and surgeon time and decreasing toxicity associated with ASCT, have caused changes in venous access needs and options. This led the advanced practice nurse in the transplant program to evaluate other central access devices, which resulted in the introduction of peripherally inserted central catheters (PICCs) for this patient population. This study reports the results of a retrospective analysis comparing efficacy and complication profiles between 50 patients with the traditional Hickman catheter and 70 patients with PICCs.

Adult↗
PubMed2006

Oral clonidine pretreatment prior to venous cannulation.

Clonidine is a preferential alpha-2 agonist drug that has been used for over 35 years to treat hypertension. Recently, it has also been used as a preoperative medication and as a sedative/anxiolytic drug. This randomized, double-blind, placebo-controlled crossover clinical trial characterized the effects of oral clonidine pretreatment on intravenous catheter placement in 13 patients. Parameters measured included the bispectral index (BIS), Observer's Assessment of Alertness/Sedation Scale (OAA/S), frontal temporal electromyogram (EMG), 30-Second Blink Count (Blink), Digit Symbol Substitution Test (DSST), State Anxiety Inventory (SAI), fingertip versus forearm skin temperatures, and multiple questionnaires. Oral clonidine significantly decreased SAI scores, OAA/S, EMG, and Blink, but did not cause statistically significant BIS or DSST reductions. Subjects preferred oral clonidine pretreatment prior to venipuncture compared to placebo. Questionnaires also indicated that clonidine provided minimal sedation, considerable anxiolysis, and some analgesia. Fingertip versus forearm skin temperature differentials were decreased. Reduced fingertip versus forearm temperature differentials suggest increased peripheral cutaneous blood flow prior to venous cannulation. Oral clonidine pretreatment not only helped control patient anxiety and pain but also provided cardiovascular stability.

Administration, Oral↗
PubMedDate not supplied

Vascular access: a guide to peripheral venous cannulation.

This article provides an overview of the knowledge and skills required for peripheral venous cannulation, including anatomy and physiology, psychology, consent, vein selection, device selection, infection control, insertion technique, device securement, sharps' disposal and the prevention and management of complications. A period of supervision and assessment of competency is required to consolidate this theoretical knowledge.

Catheterization, Peripheral↗
PubMed1997

Intravenous cannulation: potential complications.

The procedure of establishing peripheral venous access carries the risk of potential complications to both the patient and the practitioner. Complications include infection, phlebitis and thrombophlebitis, emboli, pain, haematoma or haemorrhage, extravasation, arterial cannulation and needlestick injuries. Careful adherence to guidelines and procedures can minimise these risks.

Catheterization, Peripheral↗
PubMedDate not supplied

Peripherally inserted central catheters. Intravenous Nurses Society.

The Intravenous Nurses Society (INS) recognizes the need for uniform terminology for peripherally inserted central catheters (PICCs) to encourage standardization for indications, care, and maintenance strategies for these devices. It also recognizes the need for recommendations regarding the choice, use, management, and discontinuation of PICCs to promote positive patient outcomes and enhance patient comfort, safety, and satisfaction.

Catheterization, Central Venous↗
PubMed2005

Ultrasonography-guided peripheral intravenous access versus traditional approaches in patients with difficult intravenous access.

STUDY OBJECTIVE: We assess the success rate of emergency physicians in placing peripheral intravenous catheters in difficult-access patients who were unsuccessfully cannulated by emergency nurses. A technique using real-time ultrasonographic guidance by 2 physicians was compared with traditional approaches using palpation and landmark guidance. METHODS: This was a prospective, systematically allocated study of all patients requiring intravenous access who presented to 2 university hospitals between October 2003 and March 2004. Inclusion criterion was the inability of any available nurse to obtain intravenous access after at least 3 attempts on a subgroup of patients who had a history of difficult intravenous access because of obesity, history of intravenous drug abuse, or chronic medical problems. Exclusion criterion was the need for central venous access. Patients presenting on odd days were allocated to the ultrasonographic-guided group, and those presenting on even days were allocated to the traditional-approach group. Endpoints were successful cannulation, number of sticks, time, and patient satisfaction. RESULTS: Sixty patients were enrolled, 39 on odd days and 21 on even days. Success rate was greater for the ultrasonographic group (97%) versus control (33%), difference in proportions of 64% (95% confidence interval [CI] 39% to 71%). The ultrasonographic group required less overall time (13 minutes versus 30 minutes, for a difference of 17 [95% CI 0.8 to 25.6]), less time to successful cannulation from first percutaneous puncture (4 minutes versus 15 minutes, for a difference of 11 [95% CI 8.2 to 19.4]), and fewer percutaneous punctures (1.7 versus 3.7, for a difference of 2.0 [95% CI 1.27 to 2.82]) and had greater patient satisfaction (8.7 versus 5.7, for a difference of 3.0 [95% CI 1.82 to 4.29]) than the traditional landmark approach. CONCLUSION: Ultrasonographic-guided peripheral intravenous access is more successful than traditional "blind" techniques, requires less time, decreases the number of percutaneous punctures, and improves patient satisfaction in the subgroup of patients who have difficult intravenous access.

Adult↗
PubMedDate not supplied

Peripheral intravenous cannulation in nursing: performance predictors.

This study examined the impact of nurses' education and experience and the characteristics of their patients on their performance of peripheral intravenous cannulation. A researcher-developed peripheral intravenous cannulation assessment tool was used to assess nurses' behavior during cannulation. Results from a hierarchical multiple regression indicated that patient demographic variables did not significantly predict overall ratings of peripheral intravenous cannulation performance. Nurses' education and experience significantly predicted overall ratings of peripheral intravenous cannulation. Educational preparation at a postgraduate level was a significant positive predictor, and the years of experience in general nursing were a significant negative predictor of overall ratings of peripheral intravenous cannulation. The results from the current study highlight the importance of applied education, such as that indicated by a graduate degree, in providing and maintaining advanced clinical skills for specialty practice.

Aged↗
PubMed2005

Superior vena cava thrombus treated with low-dose, peripherally administered recombinant tissue plasminogen activator in a child: case report and review of the literature.

Thrombotic complications in pediatrics are more common today due to our ability to treat complicated diseases. In pediatric patients where thrombolytic therapy is indicated, the lack of evidence-based medicine forces practitioners to extrapolate dose recommendations for recombinant tissue plasminogen activator (rt-PA) from adult studies. This often results in a high rate of major complications. Low-dose rt-PA is an option that is effective and safe. The authors describe a child with septic thrombus of the superior vena cava who was successfully treated with low-dose, peripherally administered rt-PA, and review the efficacy and safety of standard- versus low-dose rt-PA in children. A Medline search was completed for the use of standard- and low-dose rt-PA in children with thromboembolic disease. Five studies large enough to present efficacy and safety data on standard- and/or low-dose t-PA use in children and neonates were analyzed. Two studies using low-dose rt-PA reported efficacy rates equal to or greater than those reported for standard-dose regimens. Rates of major complications were approximately 5% for low-dose regimens and up to 40% for standard-dose ones. Low-dose, peripherally administered rt-PA is safe and may be as effective as standard-dose rt-PA. A randomized controlled trial should be done to confirm this assumption.

Anti-Bacterial Agents↗
PubMed1988

Effectiveness of intraarterial plasminogen application in combination with percutaneous transluminal angioplasty (PTA) or catheter assisted lysis (CL) in patients with chronic peripheral occlusive disease of the lower limbs (POL).

The accepted correct procedure for treating occlusive arterial diseases includes surgical disobstruction, CL as well as PTA. Combined non-surgical strategies are effective in about 60% of these patients. However, a high risk of rethrombosis despite from the prophylaxis with anticoagulants like heparin or antiplatelet drugs like ASA is proven, especially in patients with multi-segmental stenosis as well as in patients with extensive narrowing of the arteries. In these cases primary lesions (endangitis obliterans) or secondary lesions of the endothelium cause local depletion of plasminogen in the endothelium. Independent of the method used for reopening the vessel in these patients, a significant progression of the vessel disease and a high rethrombosis rate during longterm follow-up is observed. These results lead us to apply plasminogen locally to decrease the rate of rethrombosis. In patients suffering from stage III-IV (La Fontaine) including patients with multi-segmental stenosis as well as extended narrowing of the artery, PTA in combination with CL was performed. The catheter was placed as near as possible to the thrombus. In some cases the 'fibrinolyticum' could be injected directly into the thrombus. In these cases a bolus of 4,000 U/ml was locally infused, otherwise 1.0-1.5 million U urokinase per 24 hrs. were locally infused with heparin. In 28% (22 patients) no sufficient clinical response occurred using this combined therapy and plasminogen was applied locally. The following criteria supported our decision to include the patients in this study: 1. Insufficient response occurring after 12-24 hrs. of local infusion. 2. Following 6 bolus injections no reopening of the vessel occured within 60 minutes or the clinical response was insufficient due to rethrombosis. 3. Insufficient effects of lysis therapy after 2 hours and contraindication for a systemic fibrinolytic therapy (e.g. hypertension, age, etc.). 1,000 U plasminogen per ml were infused locally or 2,000 U up to 5,000 U plasminogen (in 5 to 10 ml 0.9% saline) were infused slowly (2-4 minutes infusion time) into the catheter in these patients 10 minutes after unsuccessful treatment with local urokinase therapy. Five minutes after administering plasminogen local intraarterial fibrinolytic therapy with urokinase was continued. No severe side effects due to this therapy were observed, although some patients suffered from acute pains in the peripheral segments of the arteries occurring immediately after infusion of plasminogen. In 16 of 22 patients a complete recanalization occurred and in 3 patients a satisfying clinical improvement was observed.(ABSTRACT TRUNCATED AT 400 WORDS)

Adult↗
PubMed2000

Peripheral venopuncture as temporary vascular access in rhabdomyolysis-induced acute renal failure related to frog leaps: case report.

Rhabdomyolysis, or acute muscle destruction, may be accompanied by myoglobinemia, myoglobinuria, and an elevated serum creatine kinase level. The disorder has many potential causes, the most common one in otherwise healthy people being severe exercise. Rhabdomyolysis has many complications, but the most important one is acute renal failure. We describe a man with rhabdomyolysis-induced acute renal failure occurring after frog leaps. During 3 dialytic sessions, we practiced direct puncture of peripheral veins of the antecubital fossa as temporary vascular access for this patient. His renal function improved, after which he was discharged with a smooth clinical course.

Acute Disease↗
PubMed1992

[A comparative evaluation of the efficacy of quantum methods for treating hypertension patients].

A study is presented of the effect of laser and microwave resonance therapy on the hemodynamics and hemorheology in 56 patients with hypertensive disease. The hypotensive effect of intravascular laser therapy is related to the positive changes, reduction of blood viscosity and general peripheral vascular resistance. The effect of low molecular electromagnetic radiation on acupuncture points favoured clear reduction of peripheral vessel resistance. Combination of laser and microwave resonance therapy produces a positive effect due to potentiation of these methods and, thus, influencing the systems of hemodynamics, hemostasis and hemorheology.

Adolescent↗
PubMedDate not supplied

The Seldinger method for PICC insertion.

This article outlines a new insertion technique for introducing a peripherally inserted central catheter into the veins of the antecubital fossa by using a PICC made by Cook Critical Care, a Division of Cook Incorporated. Included along with the technique is a summary of the uses, benefits and care of the PICC.

Asepsis↗
PubMed1988

Indwelling umbilical arterial catheter: a preferred sampling site for blood culture.

Indwelling umbilical arterial catheter was evaluated prospectively as an alternative site for blood culture sampling. In 282 infants, 318 paired blood cultures were obtained from the peripheral vein and from the indwelling umbilical arterial line. Duration of umbilical catheter placement ranged from 0.5 to 196 hours; in 17% of the infants, catheters were in place for between 24 and 196 hours. In 13 blood culture pairs the same pathogens were found and had been obtained from the peripheral vein and the umbilical arterial line. Two pairs were positive for discrepant organisms. A total of 11 pairs were positive in one site only, with five positive from peripheral vein only and the other six from the umbilical arterial catheter. However, most of these single-site positive blood cultures were apparently true positives based on supporting laboratory data for infection. Contamination rates were 1.3% and 0.9% for peripheral vein and umbilical arterial catheter blood cultures, respectively. Thus, in sick neonates, the indwelling umbilical arterial line was an alternative and perhaps a preferred site for blood culture sampling.

Blood↗
PubMed1988

Laser angioplasty: an atherosclerotic swine model.

Rapid production of occlusive, atherosclerotic iliac artery lesions was achieved in 25 of 27 (93%) Yucatan miniature swine, using a combination of high cholesterol diet and mechanical endothelial denudation. Animals were fed a diet with 2% of their calories as raw cholesterol 2 weeks prior to balloon denudation of iliac arteries, which resulted in atherosclerotic lesions within 8 weeks. Early after denudation we have demonstrated total occlusion of arteries by fibrin thrombi, which in time organize and ultimately result in fibrotic occlusive disease. The arterial walls and intima show varying degrees of foam cell infiltration with destruction of the internal elastic lamina and calcification. Totally occluded lesions show fibrointimal proliferation, fibrosis, and multiluminal channels, which are probably secondary to organized thrombus. Our model of occlusive iliac artery disease involving vessels of 1 to 3 mm in diameter allows the development of catheter systems suitable for use in human peripheral and coronary arteries. This model is useful for the study of angioplasty, whether mechanical, balloon, or laser-mediated.

Angioplasty, Balloon↗
PubMed2006

Large volume ultrafiltration for acute decompensated heart failure using standard peripheral intravenous catheters.

BACKGROUND: Ultrafiltration for decompensated heart failure has recently generated significant clinical interest with the development of a portable machine that does not require an intensive care or dialysis unit. This case series was designed to demonstrate the feasibility and effectiveness of performing large volume ultrafiltration via peripherally inserted standard intravenous (IV) catheters in patients with acute decompensated heart failure. METHODS AND RESULTS: Nine hospitalized patients with decompensated heart failure underwent peripheral ultrafiltration (PUF) therapy with peripheral IV catheters. The mean length of time of PUF therapy was 33.3 +/- 20.0 hours with a mean volume removed of 7.0 +/- 4.9 L. All patients experienced a statistically significant mean weight loss of 6.2 +/- 5.0 kg, P = .01. There was no statistically significant change in renal function. CONCLUSION: We report the first successful implementation of ultrafiltration via standard peripheral IV catheters to remove a large volume of fluid over an extended period of time reliably in a small group of patients. The ability to use PUF therapy via peripheral IV catheters will potentially allow this therapy to be implemented more easily in a variety of care settings to treat patients with resistant heart failure.

Acute Disease↗
PubMed2004

Peripherally inserted central venous catheters in preterm newborns: two unusual complications.

This report describes the case of two newborns who suffered unusual complications after peripheral insertion of a central venous catheter. In one baby a fragment of the catheter tip became embolized in a peripheral branch of the left pulmonary artery. In the other baby, the catheter perforated a peripheral branch of the pulmonary artery, giving rise to chemical pneumonitis with extensive pleural effusion. The outcome was positive for both babies. A large clinical series is necessary to establish the complications of this procedure, their prevention and management.

Catheterization, Central Venous↗
PubMed1988

Aortic angioplasty.

Percutaneous transluminal angioplasty is a well-recognized and accepted alternative to surgery in the treatment of arterial stenoses in the peripheral vasculature, coronary arteries and aortic branches such as the renal arteries. Its application in the abdominal aorta is less well described but in selected patients and with experienced operators it has been shown to be effective.

Angioplasty, Balloon↗