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PubMedDate not supplied

Comparison of the degree of pulpal anesthesia achieved with the intraosseous injection and infiltration injection using 2% lidocaine with 1:100,000 epinephrine.

This prospective, randomized study compared the degree of pulpal anesthesia obtained from an intraosseous injection to an infiltration injection that used 2% lidocaine with 1:100,000 epinephrine. The success rate for the intraosseous injection was 98%; for the infiltration injection, the success rate was 85%. There was no significant difference between the two techniques. The mean time for the onset of pulpal anesthesia was significantly faster with the intraosseous injection and the infiltration injection resulted in a significantly longer duration of pulpal anesthesia.

Adult↗
PubMed2000

Emergency vascular access.

Establishing and maintaining vascular access is often vital to the preoperative, intraoperative, and postoperative management of the small animal emergency surgical patient. Vascular access may be used for the delivery of crystalloids, colloids, blood components, medications, and anesthetic or sedative agents. It can also facilitate venous and arterial blood sampling and allow direct measurement of arterial and venous pressures. The small animal emergency and critical care veterinarian should have a thorough knowledge of vascular access techniques, including peripheral and central venous catheterization, intraosseous, and arterial access. Competence in percutaneous, percutaneous facilitative, and surgical cutdown approaches should ensure that vascular access can always be established in the critically ill patient.

Animals↗
PubMed1999

Intraosseous access using butterfly needle.

Butterfly needle (18 G) was used for intraosseous administration of fluids and drugs in 22 children with shock. All except one patient could be stabilized successfully. Fifteen children had severe dehydration because of diarrhoea. The intraosseous route needs to be popularized as an option for rehydration in areas, where diarrhoeal dehydration continues to be an important cause of child mortality.

Child, Preschool↗
PubMed1996

Intraosseous resuscitation of hemorrhagic shock in a pediatric animal model using a low sodium hypertonic fluid.

OBJECTIVE: To study the efficacy of a low sodium hypertonic resuscitation fluid for resuscitation of severe hemorrhage in a pediatric animal, using the intraosseous route. DESIGN: Prospective, randomized, controlled animal study. SETTING: University physiology laboratory. SUBJECTS: Seventeen immature (6- to 9-wk-old) piglets, weighing 10.6 +/- 0.4 kg, were studied under anesthesia. INTERVENTIONS: A new 2400 mosm/L hypertonic fluid, "Isosal" was formulated with reduced (3.45%) sodium content compared with a 2400-mosm/L (7.5%) hypertonic saline solution. This formulation was accomplished by substituting glucose and mixed amino acids for sodium. Piglets were subjected to 1 hr of hemorrhage, reducing the cardiac output to 50% of baseline value. Resuscitation was carried out through the intraosseous route with an initial 6 mL/kg bolus of either hypertonic saline, Isosal, or lactated Ringer's solution. After the initial bolus, additional test fluid was given to maintain the cardiac output at baseline value for a 2-hr period. MEASUREMENTS AND MAIN RESULTS: Total resuscitation volumes, hemodynamic variables, and electrolytes were measured. Intraosseous vascular access was easily established in all animals, and fluid resuscitation was carried out effectively through this route. Resuscitation volumes were significantly lower for both of the hypertonic fluids (12.7 +/- 1.2 mL/kg for hypertonic saline, and 12.5 +/- 1.7 mL/kg for Isosal solution) compared with lactated Ringer's solution (75.3 +/- 11.6 mL/kg) (p = .01). Both hypertonic saline and Isosal solution resulted in an immediate supranormal response in cardiac output that lasted 20 mins. In contrast, when lactated Ringer's solution was used, multiple boluses were required over a 20-min period to normalize cardiac output. Serum sodium was significantly higher in the hypertonic saline group compared with the Isosal or lactated Ringer's groups (p = .001). CONCLUSIONS: Isosal solution was as effective as hypertonic saline in "small volume" resuscitation of severe hemorrhagic shock in a pediatric animal model through the intraosseous route, and produced significantly less hypernatremia when compared with hypertonic saline.

Amino Acids↗
PubMed2005

Intraosseous access in the setting of pediatric critical care transport.

OBJECTIVE: To demonstrate safety and efficacy of intraosseous needle placement among health care provider groups in the setting of pediatric critical care transport. DESIGN: Retrospective chart review. SETTING: Pediatric critical care transports to a pediatric intensive care unit. PATIENTS: Children undergoing pediatric critical care transport between January 1, 2000, and March 31, 2002, requiring intraosseous access before arrival to the pediatric intensive care unit. INTERVENTIONS: Intraosseous access placed for emergent vascular access. MEASUREMENTS AND MAIN RESULTS: During the study period, the transport team performed 1,792 transports and identified 47 patients requiring 58 intraosseous placements. These were placed by emergency medical technician-paramedics (18%), referring emergency medicine physicians (42%), and the transport team members (40%). The intraosseous needles were placed with a mean of 1.2 attempts per placement and a first attempt success rate of 78%. Main site of placement was the proximal anterior tibia (95%). Access was maintained for a mean of 5.2 hrs. The intraosseous needle was used for fluids, medications, and laboratory studies. Admitting diagnoses included respiratory distress (28%), cardiopulmonary arrest (26%), neurologic insults (17%), dehydration (15%), sepsis (11%), and other (3%). Ages ranged from 3 wks to 14 yrs (mean 2.2 yrs) and weights from 2.1 to 60 kg (mean 12.3 kg). Complications were noted in seven of 58 (12%), all limited to local edema or infiltration. CONCLUSIONS: Intraosseous placement is frequently needed in the care of critically ill pediatric patients before they reach the pediatric intensive care unit. We have demonstrated that intraosseous needles can be placed safely with similar rates of success when comparing different provider groups. Emergency medical technician-paramedics, emergency medicine physicians, and pediatric critical care transport teams should be familiar with intraosseous placement.

California↗
PubMedDate not supplied

Successful placement of an adult sternal intraosseous line through burned skin.

Obtaining vascular access can be difficult in the critical adult patient. This can be especially true in a severely burned patient, where the usual insertion site may be involved in the burn injury. We present a case in which a sternal intraosseous line was placed through a full-thickness injury, in a patient in full arrest, who subsequently underwent a successful cardiac resuscitation.

Atropine↗
PubMed2005

Transplantation of a whole ear allograft by immunological induction of donor-specific tolerance by bone marrow transplantation: an experimental study in rabbits.

Previous studies in our laboratory have shown that giving bone marrow cells through the portal vein or intraosseous route is likely to be beneficial to tolerance of induction of allografts in rabbits. Using this model, we tested whether a less severe regimen for conditioning of the host can prevent rejection of allografts. Rabbits were given a single intraosseous injection of donor bone marrow cells and total body irradiation (7 Gy) and transplantation of skin and ear allografts. Mean skin allograft survival for this treatment was 88 days, which was similar to the results of our earlier study. A donor ear was accepted for more than a year with no signs of rejection. These results suggest that a single intraosseous injection of donor bone marrow cells is sufficient for induction of donor-specific tolerance in rabbits and that immunosuppressive agents may not be needed.

Animals↗
PubMed2002

Osteomyelitis at the injection site of adrenalin through an intraosseous needle in a 3-month-old infant.

Intraosseous (IO) puncture is considered for the administration of drugs and fluids when vascular access cannot be achieved rapidly. Adrenaline/epinephrine, adenosine, crystalloids, colloids and blood products can be applied and administered effectively using this route during resuscitation of children. This technique is relatively simple with complications of <1%. These may include tibial fracture, lower extremity compartment syndrome and osteomyelitis. A case is described in which a 3-month-old male infant presented for emergency resuscitation requiring IO infusion utilising both tibial bones. High doses of adrenaline (1:1000; 0.1 mg/kg) were administered in the right tibial epiphysis only after the standard initial concentration (1:10000; 0.01 mg/kg) had minimal effect. A local inflammatory reaction was noted 24 h later in the right tibial region, which developed into cutaneous necrosis, and was eventually resected. Radiologically, no osseous lesion could be demonstrated, however, a bone scintigram revealed osteomyelitis. Upon surgical revision, purulent destruction was evident requiring removal of the epiphysis and part of the metaphysis. Although osteomyelitis is a rare complication which may be caused by sepsis, or contamination during insertion, we speculate that adrenaline in high concentrations may promote the development of osteomyelitis and the drug should be applied cautiously in more diluted concentrations.

Anti-Bacterial Agents↗
PubMed1993

[Intraosseous blocks--the pathogenetic treatment of the pronounced neurological manifestations of lumbar osteochondrosis].

Basing on the original and literature data, the author analyzes causes of rare application of intraosseous block (IB) in managing neurological manifestations of lumbar osteochondrosis (NMLO). IB is believed efficient and pathogenetically validated. A conception is suggested on intraosseous receptors and vessels participation in spinal osteochondrosis pathogenesis and neurological symptoms of such osteochondrosis. NMLO in 24 patients was treated with IB which permitted 20 of them to avoid scheduled surgery after inefficient conservative treatment. Details of IB usage are presented (indications, contraindications, regimens, pharmacology).

Adult↗
PubMed2002

Intraosseous vascular access defect: fracture mimic in the skeletal survey for child abuse.

Two infants were transferred to the emergency department for injuries suggestive of child abuse. Skeletal surveys showed cortical bone defects in the proximal tibiae that were initially interpreted as healing fractures. Further investigation, however, revealed that intraosseous (IO) vascular access needles had been placed at these sites in both infants. In the appropriate clinical setting, a cortical lesion in the proximal tibia corresponding to the site of IO needle insertion should not be mistaken for a radiographic sign of child abuse.

Child Abuse↗
PubMed1995

Intraosseous regional anesthesia as an alternative to intravenous regional anesthesia.

A series of 109 orthopedic operations was performed under intraosseous regional anesthesia on the upper and lower limbs. Anesthesia was satisfactory in 106 of the cases; in the other three, inadequate anesthesia was caused by faulty technique. The spread of lidocaine into the bone and venous network was demonstrated by radiography, and the blood levels after tourniquet release were below the toxic level. Intraosseous regional anesthesia proved to be a valuable technique to be used whenever intravenous anesthesia fails or is not feasible. Injection into cancellous bone (osteoclysis) is easily and quickly performed under aseptic conditions, and there were no systemic complications.

Adult↗
PubMed2003

Intraosseous emergency access by physicians wearing full protective gear.

OBJECTIVES: To assess prospectively and randomly the feasibility, speed, and success rate of establishing an intraosseous access using the Bone Injection Gun (BIG) while wearing antichemical outfits. METHODS: Attempts to introduce intraosseous injection with or without a full protective gear (antichemical body suit, face mask, and butyl gloves) were performed using a turkey bone model. Time to proper placement was measured. RESULTS: The average time to successfully insert the BIG's needle while wearing a protective gear was 32 +/- 3 seconds compared with 22 +/- 2 seconds (p<0.05) without the outfit. Success rate was greater than or equal to 80%. When failure occurred, a second attempt always proved successful. CONCLUSIONS: The intraosseous insertion of the BIG's needle is rapid and easy but requires 50% more time when wearing protective gear than without it. Its use during emergent treatment of toxic mass casualty is of potential benefit and needs further investigation.

Animals↗
PubMedDate not supplied

Systemic effects of an intraosseous injection of 2% lidocaine with 1:100,000 epinephrine.

The effect of a mandibular intraosseous injection of 2% lidocaine with 1:100,000 epinephrine on the heart rate and blood pressure of 20 volunteer patients was examined. Changes in blood pressure from preoperative levels were minimal and did not vary significantly at any time of measurement. The only statistically significant change in heart rate occurred immediately after the intraosseous injection (an increase of 12 beats per minute). In young healthy adults, the intraosseous injection of 1.5 mL of 2% lidocaine with 1:100,000 epinephrine resulted in a slight transient elevation in heart rate but had no significant effect on systolic or diastolic blood pressure.

Adult↗
PubMed2004

Best evidence topic reports. Screw tipped needles for intraosseous access.

A short cut review was carried out to establish whether screw tipped intraosseous needles were better than standard intraosseous needles. Altogether 35 papers were found using the reported search, of which one presented the best evidence to answer the clinical question. The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of this best paper are tabulated. A clinical bottom line is stated.

Alcoholism↗
PubMed2005

Best evidence topic report. Bone injection gun placement of intraosseous needles.

A short cut review was carried out to establish whether the Bone Injection Gun is better than a standard intraosseous (IO) needle at obtaining IO access. A total of 129 papers were found using the reported search, of which three represent the best evidence to answer the clinical question. The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of these best papers are tabulated. A clinical bottom line is stated.

Emergencies↗
PubMed2000

Anesthetic efficacy and heart rate effects of the intraosseous injection of 3% mepivacaine after an inferior alveolar nerve block.

OBJECTIVE: The purpose of this study was to determine the anesthetic efficacy and heart rate effects of an intraosseous injection of 3% mepivacaine after an inferior alveolar nerve block. STUDY DESIGN: Through use of a repeated-measures design, each of 48 subjects randomly received 2 combinations of injections at 2 separate appointments. The combinations were (1) an inferior alveolar nerve block (with 1.8 mL of 3% mepivacaine) + intraosseous injection with 1.8 mL of 3% mepivacaine and (2) an inferior alveolar nerve (with 1. 8 mL of 3% mepivacaine) + mock intraosseous injection. The first molar was blindly pulp tested at 2-minute cycles for 60 minutes postinjection. Anesthesia was considered successful with 2 consecutive 80 readings. Heart rate (pulse rate) was measured with a pulse oximeter. RESULTS: All subjects had lip numbness with both of the inferior alveolar nerve + intraosseous techniques. Anesthetic success for the first molar was significantly increased for 30 minutes with intraosseous injection of mepivacaine in comparison with the inferior alveolar nerve block alone (mock intraosseous injection). Subjects receiving the intraosseous injection of mepivacaine experienced minimal increases in heart rate. CONCLUSIONS: The intraosseous injection of 1.8 mL of 3% mepivacaine, when used to augment an inferior alveolar nerve block, significantly increased anesthetic success for 30 minutes in the first molar. The 3% mepivacaine had a minimal effect on heart rate and would be useful in patients with contraindications to epinephrine use.

Adult↗
PubMed2003

Intraosseous regional perfusion for treatment of septic physitis in a two-week-old foal.

A 2-week-old Morgan filly examined because of lameness of 5 days' duration was found, on the basis of clinical and radiographic findings, to have septic physitis of the distal end of the radius. The foal was treated by means of intraosseous regional perfusion with penicillin and amikacin and systemic administration of antimicrobials. Intraosseous regional perfusion was performed 3 times. The foal was anesthetized for the first episode of intraosseous regional perfusion, but was only sedated for the subsequent 2 episodes. Antimicrobials were administered systemically for 22 days. Foals with septic physitis are typically considered to have a guarded to poor prognosis for recovery; however, this treatment regimen resulted in relatively fast and uncomplicated resolution of the infection in this foal.

Animals↗