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Pediatric venous cutdowns: utility in emergency situations.

Venous access in children can be difficult and, in rare cases, impossible to achieve in a timely fashion. The three methods normally utilized to gain access, peripheral and central venipuncture and venous cutdowns, all require different skill levels for use. However, venous cutdowns, the last resort in intravenous line placement, have no performance standards by which to gauge competence. Therefore, a survey was conducted of the members of the American Pediatric Surgical Association to assess the frequency with which the pediatric cutdown is performed, the amount of time needed for the procedure, and the usual anatomic location where it is performed. Three age groups were included: neonate, one month to five years, and six to 16 years. The performance of five physician groups was also surveyed: pediatric surgeon, pediatric resident, pediatrician, surgical resident, and general surgeon. Results showed that, on the average, 56 cutdowns are done per pediatric surgeon per year. They reported that it took them an average of 11 minutes (range, one to 90 minutes) to complete the procedure in the neonate, eight minutes (range, one to 60 minutes) in the one month to five year group, and six minutes (range, one to 30 minutes) for the six to 16 year olds. The cutdown was found to be rarely used by other physician groups. The time required to complete the procedure, even by experts, makes its use as a first choice in an emergency unrealistic for most clinicians. Utilization of the pediatric venous cutdown, in emergency situations, should be done only by those clinicians familiar with the technique, and only while other methods for venous access are being simultaneously attempted.

Adolescent

Teaching venous cutdown techniques with models.

A venous cutdown may be required in emergency situations in order to establish an intravenous line. Subclavian vein catheterization is now widely used, but may result in significant complications and is often inappropriate when a safer distal vein cutdown could be performed. Inanimate models can be used to teach this valuable technique and have the advantage of availability for repeated practice.

Catheterization

Venous cutdown for pacemaker implantation.

Two hundred sixty-eight dual-chamber pacemaker implants using polyurethane leads for atrium and ventricle were analyzed for the vein of entry for both atrial and ventricular leads. The cephalic vein was used for both leads in 61.2%, the external jugular vein for both leads in 8.6%, both veins in 7.8%, and the subclavian vein alone in 16.4%. The total for venous cutdown alone was 77.6%. There were no complications relevant to the vein of approach for the venous cutdown leads, but there was one pneumothorax requiring thoracic intubation for the subclavian puncture route. Venous cutdown is satisfactory for dual-chamber pacing requiring two lead systems.

Arm

Saphenofemoral venous cutdowns in the premature infant.

Thirty-five preterm neonates that had 42 central venous lines placed via saphenofemoral cutdown in the groin are reviewed. The mean gestational age was 29 weeks; mean birth weight 1,320 g. There were no catheter-associated deaths. Minor complications occurred in 50% of patients. Leg swelling (43%), catheter occlusion (12%), and catheter fluid leakage (10%) were the most common. Infections were minor and occurred in 8% of the cases. We believe this study shows the effectiveness and safety of the saphenofemoral cutdown for central venous access in the premature neonate.

Catheterization

Cardiac catheterization in infants through a venous cutdown sheath.

When percutaneous vascular access for cardiac catheterization of small infants fails, necessitating a cutdown approach, we cannulate the isolated vein (usually the great saphenous vein) with a guidewire, dilator, and sheath with subsequent introduction of the catheter through the indwelling sheath. We have used this technique in sixty-one infants without complications and recommend this modified sheath approach because of the following advantages: ease of introduction of the introducer set and catheter, the ability to change catheters quickly, elimination of distal vascular spasm, reduction of vascular trauma induced by catheter manipulation, prevention of backflow bleeding at the catheter entry site, and possible reduction of catheterization time.

Cardiac Catheterization

A modified wire-guided technique for venous cutdown access.

The use of a guidewire to facilitate the placement of an IV cannula through a cutdown is described. This technique was taught to 24 novice operators (medical students and first-year residents). In a randomized, prospective, crossover study, their performance of this technique in an animal model was compared with the use of the classic cutdown technique. The modified technique was performed 22% (two minutes, 13 seconds) more rapidly, on average, than the classic technique (P less than .05). Other potential advantages of this technique are discussed.

Animals

Recombinant tissue plasminogen activator for neonatal and pediatric vascular thrombolytic therapy.

Thrombotic vascular occlusion may complicate the clinical course of many neonatal and pediatric pathologic processes. Systemic thrombolytic therapy with heparin, urokinase, or streptokinase may not be appropriate in the critically ill neonate because these agents generate a diffuse coagulopathic state. Direct surgical intervention for repair may be precluded by the small size of the vessels involved. Recombinant tissue plasminogen activator (rTPA) induces only a minimal proteolytic state while inducing thrombolysis within the local environment of the clot. We report our experience with regional rTPA infusion in four critically ill patients with venous and arterial thrombotic disorders. there were two brachial artery occlusive lesions--a neonate with iatrogenic occlusion due to a misplaced intravenous catheter and a 2-year-old child with inadvertent arterial ligation during an attempted venous cutdown. Two venous lesions consisted of a full-term neonate with renal vein/inferior vena caval thrombosis and a 32-week infant with partial superior vena caval thrombosis due to a Broviac catheter. Systemic thrombolytic therapy was contraindicated in these patients because of underlying illnesses. Pretherapy vascular evaluation included Doppler examination and angiography. The rTPA infusion was continued until there was evidence of clot lysis by ultrasound, angiogram, or venogram. Infusion rate of rTPA was adjusted according to fibrinogen levels. All three neonates responded successfully to rTPA therapy. Two neonates required only bolus administration and one responded to combined bolus and continuous infusion therapy after 58 hours. rTPA failed to reverse brachial artery occlusion in the 2-year-old child with purpura fulminans.(ABSTRACT TRUNCATED AT 250 WORDS)

Brachial Artery

Intravenous access in the critically ill trauma patient: a multicentered, prospective, randomized trial of saphenous cutdown and percutaneous femoral access.

STUDY OBJECTIVE: To compare the speed of IV access and the rate of infusion for saphenous venous cutdown and percutaneous femoral catheterization. DESIGN: Prospective, randomized, multicentered trial. Patient enrollment occurred from September 1990 through September 1991. SETTING: Patients were enrolled at three urban Level I trauma centers. TYPE OF PARTICIPANTS: Seventy-eight critically ill trauma patients. INTERVENTIONS: Participants were randomized to one of two groups: saphenous cutdown or percutaneous femoral line. After successful cannulation of the vein, 1 L of crystalloid was infused by gravity. RESULTS: The mean procedure time for the cutdown group was 5.63 +/- 2.58 minutes compared with 3.18 +/- 1.19 minutes for the femoral line group (P < .0001). The mean infusion time for the cutdown group was 6.65 +/- 4.29 minutes compared with 4.56 +/- 2.47 minutes for the femoral line group (P < .03). The mean overall time for the cutdown group was 11.76 +/- 4.81 minutes compared with 7.67 +/- 2.78 minutes for the femoral line group (P < .0002). CONCLUSION: Percutaneous femoral catheterization can be performed more rapidly than saphenous cutdown in the critically ill trauma patient with a palpable femoral pulse and allows for more rapid fluid administration. We support the use of a percutaneous femoral line as an acceptable alternative to saphenous venous cutdown in the initial resuscitation of trauma patients.

Adult

Swan-Ganz catheter: comparison of insertion techniques.

One hundred eighty-nine Swan-Ganz catheters were inserted in 165 critically ill patients with different techniques. Percutaneous catheterization through the subclavian, internal jugular, and antecubital veins and antecubital venous cutdown with or without fluoroscopy were compared. The antecubital approach, percutaneously or through a venous cutdown, was associated with most complications. We conclude that the method of choice is the percutaneous insertion of the balloon-tipped catheter through the subclavian or internal jugular veins and that fluoroscopy is unnecessary.

Catheterization

The internal mammary vein: an alternate route for central venous access with an implantable port.

Central venous catheterization in pediatric patients has, among other risks, flebitis and thrombosis, and finally occlusion of the superior and inferior venae cavae, making long-term catheterization and multiple venous cutdown more difficult. Use of the internal mammary vein might be an alternative procedure to provide sure and easy access to the central venous circulation. The authors report on a patient with multiple venous cutdown and thrombosis of the inferior vena cava, in whom the internal mammary vein was used for placement of a vascular device. The procedure is technically easy, and no special positioning of the patient is required.

Brachiocephalic Veins

[Totally implantable venous access systems. Analysis of complications].

UNLABELLED: Totally implantable central venous access devices (Port-a-Cath, PaC) allow better treatment of cancer patients, with safe administration of chemotherapeutic agents, and are well accepted by the patients. The aim of the present paper is to analyze the complications of the different implant techniques on the basis of a personal experience of 92 central venous access devices. MATERIAL AND METHODS: A total of 92 PaC (Port-a-Cath, Pharmacia: Celsite Braun) have been implanted in 88 patients between August 1992 and June 1995 for cancer treatment. Age ranged between 19 and 79 years (median 52 years), 56 were male and 32 women. PaC have been implanted by percutaneous cannulation of the subclavian vein, with Seldinger technique, in 34 cases; by venous cutdown respectively on the cephalic vein in 46 cases, the jugular vein in 7 cases, the basilar vein in 4 and the saphenous vein in 1 case. Four patients experienced a double implant. In 84 cases the implant was done under local anesthesia, while in 8 required general anesthesia, during operation for the primary neoplasm. RESULTS: A total of 7 complications were experienced (7.6%, 7/92): 4 sepsis and 3 mechanical. No cases of pnx were observed. Sepsis occurred after 29, 45, 64, 401 days of implantation respectively, and culture demonstrated S. aureus in 2 cases, and E. coli and Klebsiella oxytoca in 1 case each. Mechanical complication comprehends 2 cases of catheter dislodgement and 1 case of port rotation. No complications were noticed in case of implant during surgery for primary cancer (8 cases). In 7 cases the procedure has been converted from cephalic vein cutdown to percutaneous cannulation of the subclavian vein due to anatomic reasons (13.2%, 7/53). Five PaC have been explanted for complications. DISCUSSION: On the basis of the personal experience we think that PaC are of easy implant, with few complications and of good acceptance from the patients. We prefer venous cutdown on cephalic vein as implant technique because of avoidance of pnx or bleeding complications. Percutaneous puncture of subclavian vein is useful for implantation during major surgery, because less time consuming, and in case of anatomical anomalies fo the cephalic vein. Basilic vein cutdown has been utilized exclusively for esthetic reason in young people, to avoid the scar in the upper thoracic region. Alternative implant techniques has been employed in special conditions, such as catheter position in the inferior v.cava, or early in our experience (internal jugular vein). A total of 7 complication have been reported (7.6%), 4 sepsis and 3 mechanical (2 dislodgement, 1 rotation). Sepsis were not related to implant technique, presenting on day 29, 45, 64 and 401 respectively; all required the explant of the PaC as a treatment. Mechanical complications are related to surgical technique; all required re-exploration with 1 explant and 2 reposition of the PaC. In PaC positioning during surgery for primary cancer (8 cases) no morbidity has been reported. All but the 5 PaC explanted were functioning until patient's need; maximum length reported is 42 months.

Adult

Long-term use of antecubital veins for plasma exchange. The Canadian Cooperative Multiple Sclerosis Study Group.

True or sham plasma exchange was done weekly for 20 weeks in patients in two of the randomization groups in a prospective, blind clinical trial of experimental treatments for multiple sclerosis. Because patients could be randomized to receive sham plasma exchange and placebo medications, it was decided when the trial was designed that the use of fistulae, arteriovenous shunts, venous cutdowns, or other aggressive forms of venous access would not be permitted for any patient. Accordingly, patients judged to have inadequate superficial antecubital veins were ineligible for the trial. To date, only 13 (4.4%) of 294 patients considered for entry into the trial have been rejected on these grounds. In only 4 of the 93 patients undergoing exchange was it necessary to discontinue plasma exchange because of inadequate venous access. In 79.3 percent of the 1207 exchanges done in these patients, there were no problems of any kind with venous access. In 5.4 percent of these 1207 exchanges, it was necessary to terminate the procedure prematurely because of difficulties with patients' veins. Thus, the great majority of patients free of serious systemic illness (other than chronic progressive multiple sclerosis) can undergo weekly plasma exchange for up to 20 weeks using superficial antecubital veins without the need to resort to more invasive methods of venous access.

Bloodletting