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EXTRAVASATION INJURY

Classification   |    Detailed evidence-based information

Therapeutic Toxic Class

    A) Extravasation, the accidental leakage of intravenous fluid into the interstitial tissue, can result in severe injury with subsequent functional impairment and residual cosmetic defects. The most common agents involved in significant extravasation injury are osmotically active chemicals, cationic solutions and cytotoxic agents.

Specific Substances

    1) Aminophylline (extravasation injury monograph)
    2) Amsacrine (extravasation injury monograph)
    3) Anthracyclines (extravasation injury monograph)
    4) Arsenic trioxide (extravasation injury monograph)
    5) Bleomycin (extravasation injury monograph)
    6) Busulfan (extravasation injury monograph)
    7) Calcium (extravasation injury monograph)
    8) Carboplatin (extravasation injury monograph)
    9) Carmustine (extravasation injury monograph)
    10) Cisplatin (extravasation injury monograph
    11) Cladribine (extravasation injury monograph)
    12) Contrast media (extravasation injury monograph)
    13) Contrast medium (extravasation injury monograph)
    14) Cyclophosphamide (extravasation injury monograph)
    15) Cytarabine (extravasation injury monograph)
    16) Dacarbazine (extravasation injury monograph)
    17) Dexrazoxane (extravasation injury monograph)
    18) Dactinomycin (extravasation injury monograph)
    19) Dantrolene (extravasation injury monograph)
    20) Daunorubicin (extravasation injury monograph)
    21) Dextrose 10% (extravasation injury monograph)
    22) Docetaxel (extravasation injury monograph)
    23) Dolasetron (extravasation injury monograph)
    24) Doxorubicin (extravasation injury monograph)
    25) Epirubicin (extravasation injury monograph)
    26) Esmolol (extravasation injury monograph)
    27) Etoposide (extravasation injury monograph)
    28) Floxuridine (extravasation injury monograph)
    29) Fluorouracil (extravasation injury monograph)
    30) Gemcitabine (extravasation injury monograph)
    31) Heroin (extravasation injury monograph)
    32) Hyperalimentation solutions (extravasation injury monograph)
    33) Hyperosmolar agents (extravasation injury monograph)
    34) Iodinated Contrast Media (extravasation injury monograph)
    35) Idarubicin (extravasation injury monograph)
    36) Ifosfamide (extravasation injury monograph)
    37) Irinotecan (extravasation injury monograph)
    38) Magnesium sulfate (extravasation injury monograph)
    39) Mechlorethamine (extravasation injury monograph)
    40) Melphalan (extravasation injury monograph)
    41) Methotrexate (extravasation injury monograph)
    42) Metoprolol (extravasation injury monograph)
    43) Mitomycin (extravasation injury monograph)
    44) Mitoxantrone (extravasation injury monograph)
    45) Nafcillin (extravasation injury monograph)
    46) Oxaliplatin (extravasation injury monograph)
    47) Paclitaxel (extravasation injury monograph)
    48) Pamidronate (extravasation injury monograph)
    49) Phenytoin (extravasation injury monograph)
    50) Plicamycin (extravasation injury monograph)
    51) Potassium (extravasation injury monograph)
    52) Promethazine (extravasation injury monograph)
    53) Sodium bicarbonate (extravasation injury monograph)
    54) Streptozocin (extravasation injury monograph)
    55) Sympathomimetics (extravasation injury monograph)
    56) Teniposide (extravasation injury monograph)
    57) Thiotepa (extravasation injury monograph)
    58) Topotecan (extravasation injury monograph)
    59) Total parenteral nutrition (extravasation injury monograph)
    60) Vinblastine (extravasation injury monograph)
    61) Vincristine (extravasation injury monograph)
    62) Vindesine (extravasation injury monograph)
    63) Vinorelbine (extravasation injury monograph)

Life Support

    A) This overview assumes that basic life support measures have been instituted.

Clinical Effects

    0.2.1) SUMMARY OF EXPOSURE
    A) DESCRIPTION: Extravasation, the accidental leakage of intravenous fluid into the interstitial tissue, can result in severe injury with subsequent functional impairment and residual cosmetic defects. The most common agents involved in significant extravasation injury are osmotically active chemicals, cationic solutions and cytotoxic agents. Extravasation injury can result from a combination of factors, such as solution osmolality, vasoconstrictor properties of the offending agent, electrolyte concentration, infusion pressure, regional anatomical peculiarities, site of injection, amount of agent extravasated, duration of tissue exposure and other patient factors.
    B) TOXICOLOGY: DNA binding vesicants cause cell death by binding to the DNA in the cells of healthy tissue after extravasation. Non-DNA binding vesicants mainly cause localized injury that produce mild to moderate painful areas. These agents have indirect effects on the cells in healthy tissue following extravasation. Hyperosmolar solutions (eg, parenteral nutrition, conventional ionic contrast media) exert osmotic pressure and may result in compartment syndrome if infiltration occurs. Hypertonic solutions (eg, potassium chloride, calcium chloride, dextrose 10%, radiocontrast media) may cause prolonged depolarization and contraction of pre- and post-capillary smooth muscle sphincters, leading to tissue injury and ischemia. Ischemic necrosis secondary to local vasoconstriction can result from extravasation of sympathomimetic agents including DOBUTamine, DOPamine, epinephrine, metaraminol and norepinephrine.
    C) EPIDEMIOLOGY: The incidence of extravasation is 0.1% to 0.7% for all drug infusions, and historically as high as 5% for chemotherapeutic drug administration. Higher rates (upwards of 11% and as high as 58%) of extravasation have been reported in children.
    D) WITH POISONING/EXPOSURE
    1) TOXICITY: Initial symptoms of extravasation include immediate, persistent pain and burning along the injection site as well as localized erythema, which may be followed within 2 to 3 days by skin blistering, swelling and induration. When left untreated, a thick, leathery eschar surrounded by a 2 to 3 cm rim of painful skin may develop in the next 2 weeks. Upon removal of the eschar, a deep subcutaneous necrosis without granulation tissue may be found. Within 3 to 4 weeks, a central umbilicated ulceration may develop.
    a) VESICANTS are capable of producing severe tissue damage and necrosis on extravasation, with immediate effects of pain, erythema and local swelling; a painful, indurated lump develops and ulcerates. A vesicant, causing necrosis or blistering with frank ulceration, is of greatest concern.
    b) IRRITANTS can cause erythema, warmth, tenderness and pain due to local irritation and vessel wall spasm, which can occlude blood flow. They are not directly toxic to the tissue. The development of phlebitis or sclerosis increases the risk of extravasation.
    c) NON-VESICANTS, if extravasated, do not impair or destroy the tissue.
    2) Purple glove syndrome (PGS) is a progressive development of limb edema, dark red or violet skin discoloration, and extreme pain after phenytoin administration, with some patients developing skin ulceration. The vehicles in phenytoin injections (propylene glycol, ethanol, and sodium hydroxide), which are irritants, may contribute to PGS, especially if extravasation occurs.

Laboratory Monitoring

    A) Monitor injection site for signs of extravasation. Monitor for infection in a patient at high risk (ie, chemotherapy patients, significant comorbidities) including CBC, wound culture and/or blood cultures as necessary.
    B) Monitor the extent of swelling, pulses, capillary refill time, sensation and strength of the affected area.
    C) Monitor for evidence of compartment syndrome, including: pain, tight swelling with a firm woody texture on deep palpation, pain with passive stretching of the involved muscles, pain with active flexion, and sensory deficits especially decreased 2 point discrimination or vibration sense. Paresthesias, pallor, pulselessness, and severe pain may not develop until severe tissue damage has already occurred.
    D) For radiocontrast agents, a radiograph of the affected area can help delineate the amount of material and extent of extravasation.

Treatment Overview

    0.4.6) PARENTERAL EXPOSURE
    A) SUPPORT
    1) The guidelines that follow are used to reduce the extent of tissue injury once extravasation has occurred. Drugs that have been reported to cause damage upon infiltration, but for which no specific medical treatment could be found, are not discussed in this document. Some patients have done well with only conservative management and no specific treatment. Overall, therapy is based on individual cases and clinical judgment. The initial presentation often is not indicative of the extent of tissue damage; therefore, the wait and see approach should be avoided, particularly with extravasation of vesicants (eg, an antineoplastic agent or hyperosmolar solutions).
    2) If extravasation occurs, stop the infusion. Disconnect the IV tubing, but leave the cannula or needle in place. Attempt to aspirate the extravasated drug from the needle or cannula. If possible, withdraw 3 to 5 mL of blood and/or fluids through the needle/cannula. Administer the antidote based on the recommendations of the individual agent(s) to be used (see antidote section). Elevate the affected area. Apply a warm or cold compress as indicated (see specific sections). Administer analgesia for severe pain. If pain persists, there is concern for compartment syndrome, or injury is apparent, an early surgical consult should be considered. Close observation of the extravasated area is suggested. If tissue sloughing, necrosis or blistering occurs, treat as a chemical burn (antiseptic dressings, silver sulfADIAZINE, antibiotics when applicable). Surgical or enzymatic debridement may be required. Risk of infection is increased in chemotherapy patients with reduced neutrophil count following extravasation. Consider culturing any open wounds. Monitor the site for the development of cellulitis, which may require antibiotic therapy.
    B) SPECIFIC TREATMENTS
    AGENTSICE/WARM PACKSANTIDOTES
    AminophyllineIce packsNone
    AmsacrineIce packsDMSO
    AnthracyclinesIce packsDexrazoxane
    Arsenic trioxideIce packsNone
    Arginine-Gault method (saline flush-out technique)
    BleomycinIce or warm packsNone
    BusulfanIce packsNone
    CalciumWarm packsHyaluronidase
    CarboplatinIce or warm packsNone
    CarmustineIce or warm packsHyaluronidase
    Cisplatin (greater than 0.4 mg/mL)Ice packsSodium thiosulfate or DMSO
    Cladribine Ice or warm packsNone
    Contrast mediaIce packsHyaluronidase (conflicting reports). Some reports of the use of silver sulfADIAZINE. Saline washout (Gault method).
    CyclophosphamideIce or warm packs Sodium thiosulfate
    CytarabineIce or warm packsNone
    DacarbazineIce or warm packsNone
    DactinomycinIce packsDMSO
    DexrazoxaneIce packsNone
    Dextrose 10%Ice packsNone
    DocetaxelIce or warm packsNone
    DolasetronIce packsNone
    EsmololIce packsNone
    EtoposideWarm packsNone
    FloxuridineIce packsNone
    FludarabineWarm packsNone
    FluorouracilIce or warm packsNone
    GemcitabineIce or warm packsNone
    IfosfamideIce or warm packsNone
    IrinotecanIce packsNone
    Magnesium sulfateIce packsNone
    MechlorethamineIce packsSodium thiosulfate
    MelphalanWarm packsNone
    MethotrexateWarm packsNone
    MetoprololIce packsNone
    MitomycinIce packsDMSO
    MitoXANTRONEIce packsDMSO
    NafcillinIce packsHyaluronidase
    OxaliplatinWarm packs (see note)None
    PaclitaxelIce packs Hyaluronidase
    PamidronateIce packsNone
    PhenytoinIce or warm packsHyaluronidase or nitroglycerin
    PlicamycinIce packsNone
    PotassiumWarm packsNone
    PromethazineIce packsNone
    Sodium bicarbonateWarm packsNone
    StreptozocinIce packsNone
    SympathomimeticsNonePhentolamine
    TeniposideWarm packsHyaluronidase
    ThiotepaIce or warm packsNone
    TopotecanIce or warm packsNone
    Total parenteral solutionIce packsHyaluronidase
    Vinca alkaloidsWarm packsHyaluronidase
    1) ICE PACKS: Some extravasations are managed by localizing and neutralizing the agent through the use of cold compresses. Ice packs for 15 to 20 minutes 4 times daily for 1 to 2 days have been recommended.
    2) HEAT/WARM PACKS: Some extravasations are managed by dispersing and diluting the agent through the use of warm/heat compresses. Warm/heat compresses for 15 to 20 minutes at least 4 times daily have been recommended. Monitor site closely to avoid tissue injury due to heat application.
    3) NOTE: OXALIPLATIN: Specific guidelines on the management of oxaliplatin extravasation are not available. Data exists for both the application of heat or ice to the extravasated area. However, symptoms of oxaliplatin-induced acute neuropathy may be precipitated or exacerbated by exposure to cold temperature or objects.
    C) ANTIDOTE
    1) The following treatments have been used: DEXRAZOXANE for anthracyclines. HYALURONIDASE for calcium, carmustine, contrast media (conflicting reports), nafcillin, paclitaxel, phenytoin, teniposide, total parenteral solution and vinca alkaloids. SODIUM THIOSULFATE for cisplatin, cyclophosphamide and mechlorethamine. Dimethylsulfoxide (DMSO) for amsacrine, cisplatin, dactinomycin, mitomycin and MitoXANTRONE. PHENTOLAMINE for sympathomimetics (DOBUTamine, DOPamine, epinephrine, norepinephrine and phenylephrine). NITROGLYCERIN for phenytoin. See below for specific treatment.
    a) DEXRAZOXANE: Dexrazoxane binds to iron and prevents the free radical formation which can cause extravasation-induced tissue necrosis. It has also been proposed that dexrazoxane inhibits topoisomerase II reversibly, thereby diminishing tissue damage from extravasation of anthracyclines. DOSE: The initial dose is 1000 mg/m(2) infused intravenously using a different venous access site over 1 to 2 hours on day 1 (MAX, 2000 mg) and should be given within 6 hours of extravasation. Repeat the same dose 24 +/- 3 hours after extravasation on day 2 (MAX, 2000 mg) followed by a 500 mg/m(2) dose 48 +/- 3 hours after extravasation on day 3 (MAX, 1000 mg).
    b) HYALURONIDASE: A protein enzyme that degrades hyaluronic acid. It promotes drug diffusion and increases drug absorption. It is used after extravasation of calcium, carmustine, contrast media (conflicting reports), nafcillin, paclitaxel, phenytoin, teniposide, total parenteral solution and vinca alkaloids. DOSE: Inject 1 to 6 mL of 150 Units/mL through the existing IV line; if IV device was removed, inject by subQ route in a clockwise manner. Usual dose: 1 mL of solution for 1 mL of extravasated drug. Another source reported the following dosing: 150 Units (1 mL) given as five 0.2 mL injections into the extravasation site at the leading edge; use solution 150 Units/1mL vial and do not dilute further. Use a 25-gauge needle or smaller to inject subQ or intradermally into the extravasation site.
    c) NITROGLYCERIN: Transdermal application of nitroglycerin patch 5 mg/day daily close to the infusion site have demonstrated a reduction in infusion failure rate, including phlebitis, extravasation and/or an irregular infusion rate.
    d) PHENTOLAMINE: Phentolamine, an alpha-adrenergic blocking agent, is used to treat extravasation of sympathomimetic agents. DOSE: 5 to 10 mg, diluted in 10- to 15-mL sodium chloride 0.9%, injected with a fine hypodermic needle into the area of extravasation. Phentolamine should be administered within 12 hours of the infiltration; however, it is preferable to treat the injury as soon as possible.
    e) SODIUM THIOSULFATE: Used after extravasation of cisplatin, cyclophosphamide and mechlorethamine. Prepare a 0.17 moles/L (1/6 molar) solution by mixing 4 mL sodium thiosulfate 10% weight/volume with 6 mL sterile water for injection. Inject into extravasation site.
    f) DIMETHYL SULFOXIDE (DMSO): Used after extravasation of amsacrine, cisplatin, dactinomycin, mitomycin and MitoXANTRONE. Treat site with topical DMSO (for a minimum of 7 days and maximum of 14 days); however, if blistering develops, discontinue DMSO and assess site. Another source recommended DMSO 99% solution applied topically and then allowed to air dry. Cover with a nonocclusive dressing within 10 to 25 min. Repeat every 8 hours for 1 week. Limited availability in the US.
    D) PATIENT DISPOSITION
    1) HOME CRITERIA: Patients with mild symptoms of extravasation by agents that do not cause severe injury may be discharged to home with instructions for warm or cold compresses, based on the agent.
    2) OBSERVATION CRITERIA: Patients who are symptomatic should be monitored. Patients that remain asymptomatic can be discharged.
    3) ADMISSION CRITERIA: Patients with severe symptoms despite treatment and those requiring surgery should be admitted.
    4) CONSULT CRITERIA: Consult a poison control center or medical toxicologist for assistance in managing patients with severe extravasation. Consultation with a plastic surgeon should be considered when encountering severe skin and subcutaneous tissue injury, the vesicant is not removed within the first 24 hours of extravasation, the extravasated volume of conventional ionic contrast media exceeds 30 mL, or the extravasated volume of nonionic contrast media exceeds 100 mL.

Range Of Toxicity

    A) Extravasation injury can develop after therapeutic use of some medications. Because of the numerous agents that may cause extravasation, a minimum toxic dose cannot be delineated. The dose required to produce extravasation varies by agent. Although contrast media-induced extravasation injury is dose-dependent, there is no dose threshold. Most extravasations develop after doses of 10 to 50 mL.

Summary Of Exposure

    A) DESCRIPTION: Extravasation, the accidental leakage of intravenous fluid into the interstitial tissue, can result in severe injury with subsequent functional impairment and residual cosmetic defects. The most common agents involved in significant extravasation injury are osmotically active chemicals, cationic solutions and cytotoxic agents. Extravasation injury can result from a combination of factors, such as solution osmolality, vasoconstrictor properties of the offending agent, electrolyte concentration, infusion pressure, regional anatomical peculiarities, site of injection, amount of agent extravasated, duration of tissue exposure and other patient factors.
    B) TOXICOLOGY: DNA binding vesicants cause cell death by binding to the DNA in the cells of healthy tissue after extravasation. Non-DNA binding vesicants mainly cause localized injury that produce mild to moderate painful areas. These agents have indirect effects on the cells in healthy tissue following extravasation. Hyperosmolar solutions (eg, parenteral nutrition, conventional ionic contrast media) exert osmotic pressure and may result in compartment syndrome if infiltration occurs. Hypertonic solutions (eg, potassium chloride, calcium chloride, dextrose 10%, radiocontrast media) may cause prolonged depolarization and contraction of pre- and post-capillary smooth muscle sphincters, leading to tissue injury and ischemia. Ischemic necrosis secondary to local vasoconstriction can result from extravasation of sympathomimetic agents including DOBUTamine, DOPamine, epinephrine, metaraminol and norepinephrine.
    C) EPIDEMIOLOGY: The incidence of extravasation is 0.1% to 0.7% for all drug infusions, and historically as high as 5% for chemotherapeutic drug administration. Higher rates (upwards of 11% and as high as 58%) of extravasation have been reported in children.
    D) WITH POISONING/EXPOSURE
    1) TOXICITY: Initial symptoms of extravasation include immediate, persistent pain and burning along the injection site as well as localized erythema, which may be followed within 2 to 3 days by skin blistering, swelling and induration. When left untreated, a thick, leathery eschar surrounded by a 2 to 3 cm rim of painful skin may develop in the next 2 weeks. Upon removal of the eschar, a deep subcutaneous necrosis without granulation tissue may be found. Within 3 to 4 weeks, a central umbilicated ulceration may develop.
    a) VESICANTS are capable of producing severe tissue damage and necrosis on extravasation, with immediate effects of pain, erythema and local swelling; a painful, indurated lump develops and ulcerates. A vesicant, causing necrosis or blistering with frank ulceration, is of greatest concern.
    b) IRRITANTS can cause erythema, warmth, tenderness and pain due to local irritation and vessel wall spasm, which can occlude blood flow. They are not directly toxic to the tissue. The development of phlebitis or sclerosis increases the risk of extravasation.
    c) NON-VESICANTS, if extravasated, do not impair or destroy the tissue.
    2) Purple glove syndrome (PGS) is a progressive development of limb edema, dark red or violet skin discoloration, and extreme pain after phenytoin administration, with some patients developing skin ulceration. The vehicles in phenytoin injections (propylene glycol, ethanol, and sodium hydroxide), which are irritants, may contribute to PGS, especially if extravasation occurs.

Dermatologic

    3.14.2) CLINICAL EFFECTS
    A) EXTRAVASATION INJURY
    1) WITH POISONING/EXPOSURE
    a) Initial symptoms of extravasation include immediate, persistent pain and burning along the injection site, as well as localized erythema, which may be followed within 2 to 3 days by skin blistering, swelling and induration. When left untreated, a thick, leathery eschar surrounded by a 2 to 3 cm rim of painful skin may develop in the next 2 weeks. Upon removal of the eschar, a deep subcutaneous necrosis without granulation tissue may be found. Within 3 to 4 weeks, a central umbilicated ulceration may develop.
    b) VESICANTS are capable of producing severe tissue damage and necrosis or extravasation, with immediate effects of pain, erythema and local swelling; a painful, indurated lump develops and ulcerates. A vesicant, causing necrosis or blistering with frank ulceration, is of greatest concern. Extravasation of the muscle can also occur if the vesicant is inadvertently administered by injection rather than the intravenous route (Schulmeister, 2011; Upton et al, 1979).
    c) IRRITANTS can cause erythema, warmth, tenderness and pain due to local irritation and vessel wall spasm, which can occlude blood flow. They are not directly toxic to the tissue (Hannon & Lee, 2011; Goolsby & Lombardo, 2006; Upton et al, 1979). The development of phlebitis or sclerosis increases the risk of extravasation (Upton et al, 1979).
    d) NON-VESICANTS, if extravasated, do not impair or destroy the tissue (Schulmeister, 2011; Goolsby & Lombardo, 2006).
    e) Severity of these reactions depends on the site of the reaction, concentration of the drug in solution, diluent used to reconstitute the drug, admixed solution, condition of the surrounding skin, volume of extravasate, and the ability to detect and appropriately treat the complication (Wengstrom et al, 2008; Finley & Balmer, 1998).
    f) The initial presentation of pain, swelling or local hyperthermia are not reliable predictors of the degree of tissue damage as much as late signs of extravasation, such as induration of the skin, ulcers or paresthesia that may appear days later. Thus, it is important to distinguish between local reaction and extravasation, and not to underestimate the risk for subsequent tissue damage (Schummer et al, 2005). Delayed management or mismanagement of extravasation can result in scarring, contracture, cellulitis, marked soft tissue loss requiring skin grafting or flap coverage, neurovascular injury, compartment syndrome, physial injury, limb shortening, amputation and death (Hannon & Lee, 2011).
    g) INDIVIDUAL AGENTS
    1) CARBOPLATIN: Necrosis associated with extravasation has been reported in patients with various tumor types who received single-agent carboplatin (n=1893) (Prod Info PARAPLATIN(R) IV injection, 2010).
    2) CARMUSTINE: Pain and burning at the injection site may occur, particularly with infusions administered over a period of less than 2 hours. Following extravasation, infiltration of carmustine can cause local soft tissue toxicity, including swelling, pain, redness, burning and skin necrosis (Prod Info BiCNU(R) IV injection, 2010).
    3) CISPLATIN: Moderately severe cellulitis and fibrosis following an extravasation of cisplatin has been observed (Lewis & Medina, 1980). A 20 mL solution containing 15 mg of cisplatin was extravasated in the medial part of the forearm in a 57-year-old man with inoperable gastric adenocarcinoma. An infiltrated zone, with cutaneous hyperesthesia, retraction of bicep tendon, inhibiting extension of the forearm at 120 degrees, and induration of the veins infused were noted one month after the extravasation. Full recovery was reported by 2 months after the incident (Louvet et al, 1989).
    4) CONTRAST MEDIA: Local reactions after injection of iodinated contrast material occurs frequently, but actual extravasation of contrast materials is well studied, and occurs in less than 1% of cases based on a large cohort of over 22,000 patients (Cohan et al, 1997). Although most patients develop minimal localized edema and erythema following low volume contrast medium extravasation (Schaverien et al, 2008), severe injury, including skin ulceration, soft-tissue necrosis or compartment syndrome have been reported following extravasation of large volumes of contrast medium (Schaverien et al, 2008; Tsai et al, 2007).
    5) DACTINOMYCIN: Dactinomycin is extremely corrosive, and extravasation during IV administration can result in cellulitis and damage to soft tissues. In one case, extravasation led to contracture of the arms. Epidermolysis, erythema and edema, with some cases being severe, have occurred with regional limb perfusion (Prod Info COSMEGEN(R) intravenous injection, 2008).
    6) DANTROLENE: Injection site reactions (eg, pain, erythema, swelling) and tissue necrosis secondary to extravasation have been reported (Prod Info RYANODEX(R) intravenous injection suspension, 2014).
    7) DEXTROSE 10%: Extravasation injury may occur due to the dextrose solution or the administration technique (Prod Info dextrose IV injection, 2005).
    8) DOCETAXEL: Infusion site reactions (eg, hyperpigmentation, inflammation, redness or dryness of skin, phlebitis, extravasation and swelling of the vein) have been reported with docetaxel therapy in patients with various tumor types, including patients with breast cancer. Most cases were mild in severity (Prod Info TAXOTERE(R) injection concentrate IV infusion, 2010):
    9) DOXORUBICIN AND VINCRISTINE: One study reported extravasation of an unknown amount of DOXOrubicin (2.1 mg/mL) and vinCRIStine (0.1 mg/mL) administered as a 96-hour infusion into the medial aspect of the right upper arm in a 56-year-old patient with multiple myeloma without producing severe acute symptomatology. Local swelling and redness were not apparent until 2 weeks after the infusion was completed. Surgical debridement was required at 2 and 3 weeks after the incident, followed by a split thickness skin graft (Dorr et al, 1989).
    10) ESMOLOL: Edema, erythema, skin discoloration, burning at the injection site, thrombophlebitis and local skin necrosis from extravasation have occurred in less than 1% of patients (Prod Info BREVIBLOC IV injection, 2007; Abrams et al, 1985).
    11) ETOPOSIDE: In clinical trials, extravasation/phlebitis occurred in 5% of patients who received 450 mg/m(2) or more of etoposide phosphate as a total dose over 5 days. Infiltration with etoposide phosphate may cause local swelling, pain, cellulitis and necrosis (Prod Info ETOPOPHOS(R) IV injection, 2011).
    12) HEROIN: CASE REPORT: A 57-year-old man developed extravasation injury following heroin injections, and presented with a skin lesion on the posterior region of the left forearm with extensive necrosis of skin and subcutaneous layer, involving the underlying muscle planes. The lesion had a sanious, fibrinous, secreting and smelly bottom. He received ciprofloxacin for 2 weeks after the lesion culture was positive for Pseudomonas aeruginosa. He was treated with daily dressing before the chemical debridement of the lesion using a topical ointment containing a collagenase plus hyaluronic acid (Bionect Start(R)). Each dressing contained 4 phases: disinfection with sodium hypochlorite 0.05% and povidone-iodine solution 10%, cleansing with saline solution, the application of a layer of 2 mm Binect Start(R) and covering with a pre-medicated patch. His symptoms gradually improved and a complete wound healing was observed 3 months after presentation (Onesti et al, 2014).
    13) IFOSFAMIDE: Ifosfamide extravasation produced a local reaction in a 54-year-old woman. The patient received combination chemotherapy including ifosfamide 1760 mg over 1 hour (scheduled for 5 days). Following extravasation of ifosfamide the patient developed an inflamed, hot area that was painful to touch. Chondroitin sulfatase 150 units (which enhances the systemic uptake of the drug from the tissue) was administered with a satisfactory decrease in inflammation and pain (Mateu et al, 1994a).
    14) MECHLORETHAMINE: Extravasations of even small amounts of mechlorethamine result in painful inflammation and induration. The patient may immediately experience pain, erythema or swelling at the site of extravasation. Alternatively, the only indication may be a decrease in the flow rate of the intravenous fluid or a lack of blood return. Mechlorethamine rapidly fixes to all tissues. It ubiquitously alkylates protein and DNA. It spontaneously and rapidly degrades in vivo and is unstable in alkaline solutions (Prod Info Mustargen(R), 1999).
    15) MITOMYCIN: Extravasation during injection has resulted in necrosis and sloughing of tissue with mitomycin use (Prod Info mitomycin iv powder for injection, 2000). Delayed extravasation injury (several days to weeks after therapy) was reported in 2 patients following administration of mitomycin that included erythema, ulceration and necrosis at sites where other intravenous preparations had been administered, but distant to the mitomycin injection site. The wounds healed, but significant scarring was reported in one patient (Patel & Krusa, 1999a).
    16) MITOXANTRONE: Extravasation of MitoXANTRONE has occurred, producing no tissue necrosis or other toxicity except transient blue skin discoloration (Alberts et al, 1980; Vietti et al, 1981; Smith, 1983).
    17) NAFCILLIN: Severe tissue necrosis secondary to extravasation has been reported following intravenous administration of nafcillin (Prod Info Nafcillin IV injection, 2007). Cutaneous necrosis has been reported in 4 pediatric patients following infiltration of intravenous sites with nafcillin (Tilden et al, 1980a).
    18) N-ACETYLCYSTEINE: Compartment syndrome secondary to extravasation of IV N-acetylcysteine infusion occurred in a 26-year-old man with a history of schizophrenia who was admitted to a hospital about 12 hours after intentional ingestion of several different drugs of unknown amounts. He was asymptomatic upon admission and a toxicology screen was positive for an acetaminophen level of 16 mcg/L and an elevated aspartate aminotransferase level (41 Units; normal: 0 to 37 Units/L). N-acetylcysteine was started and during the third phase of the infusion, the patient complained of pain and swelling at the site of the infusion. A hand surgeon measured a compartment pressure of 45 mmHg with a delta pressure of 17 mmHg and the patient underwent emergent fasciotomy secondary to compartment syndrome. The odor of "rotten egg" (characteristic of N-acetylcysteine) was noted intraoperatively when the compartments were released. Postoperatively the patient's pain, paresthesia and sensory deficits had improved. Based on this case, it was difficult to determine if N-acetylcysteine acted as an irritant or vesicant or caused a space-occupying lesion that could have augmented venous outflow (Berman et al, 2015).
    19) OXALIPLATIN: Injection site reaction (redness, swelling and pain) has been reported with oxaliplatin administration (Prod Info ELOXATIN(R) intravenous lyophilized powder for solution, intravenous concentrate for solution, 2011).
    20) PACLITAXEL: Extravasation reactions may occur (Prod Info TAXOL(R) IV injection, 2010).
    21) PHENYTOIN: Irritation and inflammation of soft tissue at the injection site with or without extravasation of intravenous phenytoin has occurred. The irritation may range from a slight tenderness to extensive necrosis, sloughing and purple glove syndrome, and may not appear for several days after administration; rare instances of amputation have been reported (Prod Info Dilantin(R) intravenous injection solution, 2011).
    a) Purple glove syndrome (PGS) is described following intravenous infusions of phenytoin. The incidence of PGS in a series of 152 patients receiving IV phenytoin was 5.9% (9 patients). PGS is a progressive development of limb edema, dark red or violet skin discoloration, and extreme pain after phenytoin administration, with some patients developing skin ulceration. Elderly patients and patients receiving large, multiple IV doses appear to be at greatest risk. The vehicles in phenytoin injections (propylene glycol, ethanol and sodium hydroxide), which are irritants, may contribute to PGS, especially if extravasation occurs (O'Brien et al, 1998).
    b) PGS has 3 phases (Hannon & Lee, 2011):
    1) Appearance phase: Edema and pain at the infusion site with localized blue or purple discoloration during the first 2 to 12 hours after extravasation.
    2) Progression phase: Approximately 12 to 24 hours after extravasation, pain is more severe and edema and discoloration can spread to cover the entire hand and forearm. Patients are at highest risk for a compartment syndrome during this phase.
    3) Resolution phase: This phase may last up to 4 weeks. Patients will have less pain, edema and discoloration. They can experience pain for weeks to months.
    c) Necrosis necessitating amputation has also occurred from extravasation of undiluted intravenous phenytoin (Rao et al, 1988).
    d) Factors which have been found to increase the risk of injury include using small intravenous catheters, high infusion rates, using the same catheter site for 2 or more IV pushes, and the patient having a cardiovascular disease (Spengler et al, 1988).
    e) Serious tissue injury was associated with extravasation of phenytoin solution in two separate cases. In this report, the author speculated that an acute vasospastic response of the injected vein to the highly alkaline phenytoin solution may have caused dislodgement of the catheter, which could be responsible for extravasation accidents involving phenytoin. Conceivably, such mechanisms could be responsible for leakage around catheter sites and might be associated with those reactions in which tissue infiltration was not clearly discernible (Comer, 1984a).
    f) CASE REPORT: Mrvos et al (1997) reported a case of extravasation of IV phenytoin resulting in purple glove syndrome. Immediate discoloration distal to the injection site occurred. Nine days later the patient's hands were pink, but her fingertips remained black with elevation being the only treatment (Mrvos et al, 1997).
    22) PROMETHAZINE: One case of extravasation of intravenous promethazine was reported. Symptoms included bluish discoloration of skin, marked swelling, redness, pain and reduced range of motion (Malesker et al, 1999).
    23) TENIPOSIDE: Local tissue necrosis and/or thrombophlebitis may occur (Prod Info VUMON(R) injection intravenous solution, 2011).
    24) TOTAL PARENTERAL NUTRITION: In one case, parenteral nutrition solution was infused through a central venous catheter which perforated the right internal mammary vein causing extravasation of the parenteral nutritional fluid and breast abscess formation (Clark & Higgs, 1991).
    25) VINBLASTINE: A case of mediastinitis due to probable central venous catheter extravasation was reported with vinBLAStine (Anderson et al, 1996).
    26) VINCRISTINE: Leakage of vinCRIStine into surrounding tissue during intravenous administration may cause considerable irritation (Prod Info Oncovin(R), 1999). However, no untoward sequelae, either acute or delayed, were reported in 3 pediatric patients accidentally injected with vinCRIStine (1 to 1.6 mg) into the thigh. Only 1 patient had discomfort after the injection. Each patient was treated topically with cold compresses and the area was infiltrated with 8.4% sodium bicarbonate (Clark et al, 1997).

Monitoring Parameters Levels

    4.1.1) SUMMARY
    A) Monitor injection site for signs of extravasation. Monitor for infection in a patient at high risk (ie, chemotherapy patients, significant comorbidities) including CBC, wound culture and/or blood cultures as necessary.
    B) Monitor the extent of swelling, pulses, capillary refill time, sensation and strength of the affected area.
    C) Monitor for evidence of compartment syndrome, including: pain, tight swelling with a firm woody texture on deep palpation, pain with passive stretching of the involved muscles, pain with active flexion, and sensory deficits especially decreased 2 point discrimination or vibration sense. Paresthesias, pallor, pulselessness, and severe pain may not develop until severe tissue damage has already occurred.
    D) For radiocontrast agents, a radiograph of the affected area can help delineate the amount of material and extent of extravasation.

Life Support

    A) Support respiratory and cardiovascular function.

Patient Disposition

    6.3.2) DISPOSITION/PARENTERAL EXPOSURE
    6.3.2.1) ADMISSION CRITERIA/PARENTERAL
    A) Patients with severe symptoms despite treatment and those requiring surgery should be admitted.
    6.3.2.2) HOME CRITERIA/PARENTERAL
    A) Patients with mild symptoms of extravasation by agents that do not cause severe tissue injury may be discharged to home with instructions for warm or cold compresses, based on the agent.
    6.3.2.3) CONSULT CRITERIA/PARENTERAL
    A) Consultation with a plastic surgeon should be considered when encountering severe skin and subcutaneous tissue injury, when vesicant is not removed within the first 24 hours of extravasation, when extravasated volume of conventional ionic contrast media exceeds 30 mL, or extravasated volume of nonionic contrast media exceeds 100 mL (Schummer et al, 2005; Cohan et al, 1996). Consult a surgeon if there is concern for compartment syndrome.
    6.3.2.5) OBSERVATION CRITERIA/PARENTERAL
    A) Patients who are symptomatic should be monitored. Patients that remain asymptomatic can be discharged.

Monitoring

    A) Monitor injection site for signs of extravasation. Monitor for infection in a patient at high risk (ie, chemotherapy patients, significant comorbidities) including CBC, wound culture and/or blood cultures as necessary.
    B) Monitor the extent of swelling, pulses, capillary refill time, sensation and strength of the affected area.
    C) Monitor for evidence of compartment syndrome, including: pain, tight swelling with a firm woody texture on deep palpation, pain with passive stretching of the involved muscles, pain with active flexion, and sensory deficits especially decreased 2 point discrimination or vibration sense. Paresthesias, pallor, pulselessness, and severe pain may not develop until severe tissue damage has already occurred.
    D) For radiocontrast agents, a radiograph of the affected area can help delineate the amount of material and extent of extravasation.

Summary

    A) Extravasation injury can develop after therapeutic use of some medications. Because of the numerous agents that may cause extravasation, a minimum toxic dose cannot be delineated. The dose required to produce extravasation varies by agent. Although contrast media-induced extravasation injury is dose-dependent, there is no dose threshold. Most extravasations develop after doses of 10 to 50 mL.

Maximum Tolerated Exposure

    A) Extravasation injury can develop after therapeutic use of some medications. Because of the numerous agents that may cause extravasation injury , a minimum toxic dose cannot be delineated. The dose required to produce local tissue damage varies by agent.
    B) Although contrast media-induced extravasation injury is dose-dependent, there is no dose threshold. Most extravasation injuries developed after doses of 10 to 50 mL (Tonolini et al, 2012).

Toxicologic Mechanism

    A) Extravasation injury can result from a combination of factors, such as solution osmolality, vasoconstrictor properties of the offending agent, electrolyte concentration, infusion pressure, regional anatomical peculiarities, site of injection, amount of agent extravasated, duration of tissue exposure and other patient factors (Schummer et al, 2005; Cohan et al, 1996).
    B) Hyperosmolar solutions (eg, parenteral nutrition, conventional ionic contrast media) exert osmotic pressure, and may result in compartment syndrome if infiltration occurs (Hannon & Lee, 2011; Schummer et al, 2005; Bellin et al, 2002; Cohan et al, 1996).
    1) TOTAL PARENTERAL SOLUTION: Extravasation injury may occur due to a combination of toxic effects of the local ions, hyperosmolarity, and the acidic pH of the solution. The osmolarity of some total parenteral nutrition solutions can be as high as 650 mOsm/L compared with serum osmolarity of approximately 285 mOsm/L (Hannon & Lee, 2011).
    C) Hypertonic solutions (eg, potassium chloride, calcium chloride, dextrose 10%, radiocontrast media) may cause prolonged depolarization and contraction of pre- and post-capillary smooth muscle sphincters, leading to tissue injury and ischemia (Schummer et al, 2005; Bellin et al, 2002; Cohan et al, 1996)(Lang, 1996)(Heckler, 1989; Brown et al, 1979; Upton et al, 1979; Roberts, 1977; Roberts, 1977; Heckler & McCraw, 1976; Yosowitz et al, 1975).
    D) Ischemic necrosis secondary to local vasoconstriction can result from extravasation of sympathomimetic agents including dobutamine, dopamine, epinephrine, metaraminol and norepinephrine (Schummer et al, 2005; Brown et al, 1979; Gaze, 1978; Greenlaw & Null, 1977; Heckler, 1989; Hoff et al, 1979; Upton et al, 1979; Weeks, 1966).
    E) The irritant properties of nafcillin can be responsible for severe tissue injury following infiltration (Heckler, 1989; Moore & Terry, 1984; Tilden et al, 1980; Zenk, 1981).

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