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Kilcoyne I, Nieto J, Nottle BF, Flynn H, Knych HK. Morphine synovial fluid concentrations after intravenous regional limb perfusion in horses during standing sedation. Equine Vet J 2024. [PMID: 38887833 DOI: 10.1111/evj.14114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 05/16/2024] [Indexed: 06/20/2024]
Abstract
BACKGROUND Addition of morphine to the perfusate while performing intravenous regional limb perfusion (IVRLP) may be helpful in treating painful infectious orthopaedic conditions of the distal limb. OBJECTIVES The main objective of this study was to determine synovial morphine concentrations following IVRLP with morphine alone or in combination with amikacin. STUDY DESIGN Randomised cross-over in vivo experiment. METHODS Six horses underwent IVRLP with 0.1 mg/kg morphine sulphate diluted to 60 mL using 0.9% NaCl (M group) or combined with 2 g amikacin and 0.9% NaCl (MA group) with a 2-week washout period between treatments. Synovial fluid was collected from the radiocarpal joint (RCJ) at 10, 20, 30, 120, 240, 480, 720 and 1440 min after IVRLP. The tourniquet was removed after the 30-min sample was collected. Synovial concentrations of morphine and major metabolites were measured using liquid chromatography-tandem mass spectrometry. Amikacin concentrations were quantified by a fluorescence polarisation immunoassay. RESULTS Measurable concentrations of morphine were apparent in the RCJ of all horses. Median CMAX of morphine in the M group was 4753.1 (2115.7-14 934.5) ng/mL and 4477 (3434.3-7363) ng/mL in the MA group (p = 0.5). Median CMAX of synovial amikacin was 322.6 (157.5-1371.6 μg/mL). MAIN LIMITATIONS Limitations include small sample size. Investigators were not blinded to the treatments and a third treatment group where amikacin alone was administered via IVRLP to the study population was not included. CONCLUSIONS IVRLP using morphine is a feasible technique and synovial morphine concentrations were measurable following IVRLP and were not affected when used concurrently with amikacin. Administration of morphine via IVRLP may be beneficial as an analgesic technique for orthopaedic conditions of the distal limb while limiting potential serious systemic side-effects.
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Affiliation(s)
- Isabelle Kilcoyne
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, California, USA
| | - Jorge Nieto
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, California, USA
| | - Bridget F Nottle
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Harriet Flynn
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, California, USA
| | - Heather K Knych
- K.L. Maddy Equine Analytical Chemistry Laboratory, School of Veterinary Medicine, University of California, Davis, Davis, California, USA
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MITA H, KURODA T, NIWA H, TAMURA N, FUKUDA K, OHTA M. Incidence of surgical site infection after internal fixation of the first phalangeal bone and the third metacarpal/metatarsal bone fractures in Thoroughbred racehorses. J Equine Sci 2023; 34:61-66. [PMID: 37781565 PMCID: PMC10534062 DOI: 10.1294/jes.34.61] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 04/19/2023] [Indexed: 10/03/2023] Open
Abstract
Surgical site infection (SSI) is one of the major complications of equine fracture surgery. The purpose of this study was to investigate the incidence of and risk factors for SSI after internal fixation of the first phalangeal bone (P1) and the third metacarpal/metatarsal bone (MC3/MT3) fractures in Thoroughbred racehorses. Between 2011 and 2020, 451 cases underwent surgery with screws or a locking compression plate (LCP) for sagittal fractures of P1 or condylar fractures of MC3/MT3. Overall, 2.9% (13/451) of the cases developed an SSI. The incidence was significantly higher in plate fixation (21.4%) than in screw fixation (2.3%). There was no significant association with other variables, such as sex, age, number of screws, experience of surgeon, or prophylactic antimicrobials. The median duration of hospitalization for screw fixation was 14 days without an SSI and 20 days with an SSI, and those for plate fixation were 26 and 25-88 days, respectively, indicating that the development of SSI prolongs the duration of hospitalization. On the other hand, there were no significant differences in discharge and race resumption rates between cases with and without an SSI. These data indicate that the incidence of SSI in this study was low and that it was higher following plate fixation than screw fixation.
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Affiliation(s)
- Hiroshi MITA
- Clinical Veterinary Medicine Division, Equine
Research Institute, Japan Racing Association, Tochigi 329-0412,
Japan
| | - Taisuke KURODA
- Clinical Veterinary Medicine Division, Equine
Research Institute, Japan Racing Association, Tochigi 329-0412,
Japan
| | - Hidekazu NIWA
- Microbiology Division, Equine Research
Institute, Japan Racing Association, Tochigi 329-0412, Japan
| | - Norihisa TAMURA
- Clinical Veterinary Medicine Division, Equine
Research Institute, Japan Racing Association, Tochigi 329-0412,
Japan
| | - Kentaro FUKUDA
- Clinical Veterinary Medicine Division, Equine
Research Institute, Japan Racing Association, Tochigi 329-0412,
Japan
| | - Minoru OHTA
- Clinical Veterinary Medicine Division, Equine
Research Institute, Japan Racing Association, Tochigi 329-0412,
Japan
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Clarke LL, Ratliff C, Mans C. Clinicopathologic Findings in Chickens (Gallus gallus domesticus) Administered Amikacin Through Intravenous Regional Limb Perfusion. J Avian Med Surg 2022; 36:187-191. [DOI: 10.1647/21-00013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Kilcoyne I, Nieto JE. Orthopedic Infections-Clinical Applications of Intravenous Regional Limb Perfusion in the Field. Vet Clin North Am Equine Pract 2021; 37:275-291. [PMID: 34243876 DOI: 10.1016/j.cveq.2021.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
For the equine veterinarian, orthopedic emergencies are a common occurrence in clinical practice, with traumatic wounds of the distal limb and penetrating injuries of the hoof being some of the most common medical conditions to affect horses. Intravenous regional limb perfusion is a technique widely used for the treatment of orthopedic infections in horses. The objectives of this review are to discuss some of the clinical applications for this treatment modality in the field and to review the technique for the practitioner.
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Affiliation(s)
- Isabelle Kilcoyne
- Department of Surgical and Radiological Sciences, UC Davis School of Veterinary Medicine, One Shields Avenue, Davis, CA 95616, USA.
| | - Jorge E Nieto
- Department of Surgical and Radiological Sciences, UC Davis School of Veterinary Medicine, One Shields Avenue, Davis, CA 95616, USA
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Gustafsson K, Tatz AJ, Dahan R, Britzi M, Soback S, Ahmad WA, Prince H, Kelmer G. The Concentration of Metronidazole in the Distal Interphalangeal Joint following Intravenous Regional Limb Perfusion via the Cephalic Vein in Standing Horses. Vet Comp Orthop Traumatol 2021; 34:287-293. [PMID: 33979876 DOI: 10.1055/s-0041-1726083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE The aim of this study was to determine the concentration of metronidazole in the distal interphalangeal joint (DIPJ) of the thoracic limb after administering metronidazole to standing horses by intravenous regional limb perfusion (IVRLP). METHODS Eleven healthy horses had a wide rubber tourniquet applied to the proximal aspect of the antebrachium for 0.5 hours and 500 mg of metronidazole diluted in physiologic saline solution to a total volume of 108 mL was administered by cephalic IVRLP. Synovial fluid samples were collected from the DIPJ before perfusion and at 0.25, 0.5, 2, 12 and 24 hours. Blood samples were obtained at the same time points for serum analysis. Concentrations of metronidazole were determined by liquid chromatography/tandem mass spectrometry. RESULTS Four horses were excluded due to low synovial fluid concentrations and not completing the full tourniquet application time. The C max in the synovial fluid was 327 ± 208 µg/mL, and the t max was 26 ± 7 minutes. Only the concentrations of metronidazole at time points 0.25 and 0.5 hours were significantly different (p < 0.001) from synovial concentration before perfusion. The serum C max was 1.78 ± 0.93 µg/mL, and the t max was 76 ± 52min. CONCLUSION Metronidazole administered by IVRLP reached high concentrations in the synovial fluid at 0.5 hours. However, the concentrations rapidly decreased below the minimum inhibitory concentration of potential target pathogens. Effectiveness of metronidazole administered by IVRLP as a sole therapy against anaerobic infections of synovial structures of the distal limb cannot be determined by a pharmacokinetic study. However, the present study serves as the basis for future carefully planned clinical trials.
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Affiliation(s)
- Kajsa Gustafsson
- Department of Large Animal Medicine and Surgery, Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, the Hebrew University of Jerusalem, Rehovot, Israel
| | - Amos J Tatz
- Department of Large Animal Medicine and Surgery, Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, the Hebrew University of Jerusalem, Rehovot, Israel
| | - Roee Dahan
- Department of Large Animal Medicine and Surgery, Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, the Hebrew University of Jerusalem, Rehovot, Israel
| | - Malka Britzi
- National Residue Control Laboratory, Kimron Veterinary Institute, Beit Dagan, Israel
| | - Stefan Soback
- National Residue Control Laboratory, Kimron Veterinary Institute, Beit Dagan, Israel
| | - Wiessam Abu Ahmad
- Braun School of Public Health and Community Medicine, Hebrew University-Hadassah Braun School of Public Health and Community Medicine, Jerusalem, Israel
| | - Hagar Prince
- Department of Large Animal Medicine and Surgery, Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, the Hebrew University of Jerusalem, Rehovot, Israel
| | - Gal Kelmer
- Department of Large Animal Medicine and Surgery, Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, the Hebrew University of Jerusalem, Rehovot, Israel
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Mosichuk AP, Smith JS, Tatarniuk DM, Troy JR, Kreuder AJ. Meropenem Administered via Intravenous Regional Limb Perfusion for Orthopedic Sepsis in Horses: A Clinical Retrospective Study. Front Vet Sci 2021; 8:629627. [PMID: 33842571 PMCID: PMC8033006 DOI: 10.3389/fvets.2021.629627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 02/16/2021] [Indexed: 11/19/2022] Open
Abstract
Septic synovitis is a critical orthopedic condition in horses. Early intervention is key, with antibiotic therapy typically initiated prior to culture and susceptibility reports becoming available. The pharmacokinetics of several antibiotics have been studied in horses for use in intravenous regional limb perfusion (IVRLP) for septic synovitis, including the carbapenem antibiotic, meropenem. For a variety of factors, some veterinary clinicians may select IVRLP meropenem as therapy for these cases. Meropenem is a vital antibiotic in human medicine, making veterinary use divisive. However, verifying the efficacy of meropenem contrasted to other IVRLP antibiotics is essential for appropriate antimicrobial stewardship. To investigate this, equine patient medical records at a single veterinary teaching hospital were examined. Cases treated with meropenem or gentamicin via IVRLP for septic synovitis were retrospectively analyzed for demographics, diagnostics, treatments, outcomes, and adverse effects. Twenty-three meropenem and 37 gentamicin treated horses were analyzed; demographic information was similar between groups. In the meropenem group, nine horses received meropenem only; the remainder received another antibiotic initially then changed to meropenem. Structures infected included joints (meropenem = 13, gentamicin = 17), tendon sheaths (meropenem = 5, gentamicin = 8) and navicular bursae (meropenem = 2, gentamicin = 6). Overall survival to discharge was 86% (52/60), with meropenem 91% (21/23) and gentamicin 84% (31/37), with no statistically significant differences noted between meropenem or gentamicin groups for overall survival to discharge or outcome after discharge. Twenty-four of 26 bacterial isolates obtained from culture were reported as sensitive to imipenem, a carbapenem antibiotic similar to meropenem. Reported susceptibility to other antibiotics such as ceftiofur (n = 22/26), ampicillin (n = 18/26), amikacin (n = 15/26), or gentamicin (n = 12/26) was also frequently present. In the population of this study, antimicrobial activity augmented with IVRLP using either meropenem or gentamicin both appear to be an effective treatment for septic synovial structures, therefore, less critical antimicrobials may be a viable and more judicious treatment option.
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Affiliation(s)
- Allison P. Mosichuk
- College of Veterinary Medicine, Iowa State University, Ames, IA, United States
| | - Joseph S. Smith
- Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
- Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
| | - Dane M. Tatarniuk
- Veterinary Clinical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
| | - Jarrod R. Troy
- Veterinary Clinical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
| | - Amanda J. Kreuder
- Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
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7
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Fontenot RL, Langston VC, Zimmerman JA, Wills RW, Sloan PB, Mochal-King CA. Meropenem synovial fluid concentrations after intravenous regional limb perfusion in standing horses. Vet Surg 2018; 47:852-860. [DOI: 10.1111/vsu.12940] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 12/19/2017] [Accepted: 01/09/2018] [Indexed: 10/28/2022]
Affiliation(s)
- Robin L. Fontenot
- Department of Clinical Sciences, College of Veterinary Medicine; Mississippi State University; Mississippi State Mississippi
| | - Vernon C. Langston
- Department of Clinical Sciences, College of Veterinary Medicine; Mississippi State University; Mississippi State Mississippi
| | - Jamie A. Zimmerman
- Department of Clinical Sciences, College of Veterinary Medicine; Mississippi State University; Mississippi State Mississippi
| | - Robert W. Wills
- Department of Pathobiology and Population Medicine, College of Veterinary Medicine; Mississippi State University; Mississippi State Mississippi
| | - Pearce B. Sloan
- Department of Clinical Sciences, College of Veterinary Medicine; Mississippi State University; Mississippi State Mississippi
| | - Cathleen A. Mochal-King
- Department of Clinical Sciences, College of Veterinary Medicine; Mississippi State University; Mississippi State Mississippi
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Chin SJ, Moore GA, Zhang M, Clarke HD, Spangehl MJ, Young SW. The AAHKS Clinical Research Award: Intraosseous Regional Prophylaxis Provides Higher Tissue Concentrations in High BMI Patients in Total Knee Arthroplasty: A Randomized Trial. J Arthroplasty 2018; 33:S13-S18. [PMID: 29655497 DOI: 10.1016/j.arth.2018.03.013] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 02/26/2018] [Accepted: 03/01/2018] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Obesity is an established risk factor for periprosthetic joint infections after total knee arthroplasty (TKA). In obese patients, a larger dose of prophylactic vancomycin based on actual body weight is required to reach therapeutic concentrations. It is unclear how tissue concentrations are affected when intraosseous regional administration (IORA) is used in this population. This study compared tissue concentrations of low-dose vancomycin via IORA vs actual body weight-adjusted systemic intravenous (IV) dose in primary TKA. METHODS Twenty-two patients with a body mass index (BMI) >35 undergoing TKA were randomized into 2 groups. The IV group received 15 mg/kg (maximum of 2 g) of systemic IV vancomycin and the IORA group received 500 mg vancomycin into the tibia. Subcutaneous fat and bone samples were taken at regular intervals. Tissue antibiotic concentrations were measured using liquid chromatography coupled with tandem mass spectrometry. A blood sample was taken 1 to 2 hours after tourniquet deflation to measure systemic concentration. RESULTS The mean BMI was 41.1 in the IORA group and 40.1 in the IV systemic group. The overall mean tissue concentration in subcutaneous fat was 39.3 μg/g in the IORA group and 4.4 μg/g in the IV systemic group (P < .01). Mean tissue concentrations in bones were 34.4 μg/g in the IORA group and 6.1 μg/g in the IV systemic group (P < .01). CONCLUSION Low-dose IORA was effective in the high-BMI population group, providing tissue concentrations of vancomycin 5-9 times higher than systemic administration. IORA optimizes timing of vancomycin administration and provides high tissue antibiotic concentrations during TKA in this high-risk patient group.
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Affiliation(s)
- Seung Joon Chin
- Department of Anaesthesia, Middlemore Hospital, Auckland, New Zealand
| | - Grant A Moore
- Department of Toxicology, Canterbury Health Laboratories, Christchurch, New Zealand
| | - Mei Zhang
- Clinical Pharmacology, University of Otago, Christchurch, New Zealand
| | - Henry D Clarke
- Department of Orthopedic Surgery, Mayo Clinic, Phoenix, United States
| | - Mark J Spangehl
- Department of Orthopedic Surgery, Mayo Clinic, Phoenix, United States
| | - Simon W Young
- Department of Orthopaedic Surgery, North Shore Hospital, Auckland, New Zealand
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Young SW, Zhang M, Moore GA, Pitto RP, Clarke HD, Spangehl MJ. The John N. Insall Award: Higher Tissue Concentrations of Vancomycin Achieved With Intraosseous Regional Prophylaxis in Revision TKA: A Randomized Controlled Trial. Clin Orthop Relat Res 2018; 476. [PMID: 29529618 PMCID: PMC5919223 DOI: 10.1007/s11999.0000000000000013] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND In primary TKA, prophylaxis with low-dose vancomycin through intraosseous regional administration (IORA) achieves tissue concentrations six to 10 times higher than systemic administration and was shown to provide more effective prophylaxis in an animal model. However, in revision TKA, the presence of a tibial implant may compromise IORA injection, and tourniquet deflation during a prolonged procedure may lower tissue concentrations. QUESTIONS/PURPOSES (1) Does low-dose IORA reliably provide equal or higher tissue concentrations of vancomycin compared with systemic IV administration in revision TKA? (2) Are tissue concentrations of vancomycin after IORA maintained for the duration of the revision TKA despite a period of tourniquet deflation? (3) Is there any difference in early postoperative (< 6 weeks) complications between IORA and systemic IV administration in revision TKA? METHODS Twenty patients undergoing aseptic revision TKA were randomized to two groups. The IV group received 1 g systemic IV prophylactic vancomycin. The IORA group received 500 mg vancomycin as a bolus injection into a tibial intraosseous cannula below an inflated thigh tourniquet before skin incision. In all patients receiving IORA, intraosseous tibial injection was technically possible despite the presence of a tibial implant. Mean procedure length was 3.5 hours in both groups. Mean initial tourniquet inflation was 1.5 hours with a second inflation for a mean of 35 minutes during cementation. During the procedure, subcutaneous fat and bone samples were taken at regular intervals. Tissue vancomycin concentrations were measured using high-performance liquid chromatography. RESULTS Overall geometric mean tissue concentration of vancomycin in fat samples was 3.7 μg/g (95% confidence interval [CI], 2.6-5.2) in the IV group versus 49.3 μg/g in the IORA group (95% CI, 33.2-73.4; ratio between means 13.5; 95% CI, 8.2-22.0; p < 0.001); mean tissue concentrations in femoral bone were 6.4 μg/g (95% CI, 4.5-9.2) in the IV group versus 77.1 μg/g (95% CI, 42.4-140) in the IORA group (ratio between means 12.0; 95% CI, 6.2-23.2; p < 0.001). Vancomycin concentrations in the final subcutaneous fat sample taken before closure were 5.3 times higher in the IORA group versus the IV group (mean ± SD, 18.2 ± 11.6 μg/g IORA versus 3.6 ± 2.5 μg/g; p < 0.001). The intraarticular concentration of vancomycin on postoperative Day 1 drain samples was not different between the two groups with the numbers available (mean 4.6 μg/L in the IV group versus 6.6 μg/g in the IORA group; mean difference 2.0 μg/g; 95% CI, 6.2-23.2; p = 0.08). CONCLUSIONS IORA administration of vancomycin in patients undergoing revision TKA resulted in tissue concentrations of vancomycin five to 20 times higher than systemic IV administration despite the lower dose. High tissue concentrations were maintained throughout the procedure despite a period of tourniquet deflation. These preliminary results justify prospective cohort studies, which might focus on broader safety endpoints in more diverse patient populations. We believe that these studies should evaluate patients undergoing revision TKA in particular, because the risk of infection is greater than in patients undergoing primary TKA. LEVEL OF EVIDENCE Level I, therapeutic study.
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Affiliation(s)
- Simon W Young
- S. W. Young, R. P. Pitto Department of Orthopaedics, North Shore Hospital, Auckland, New Zealand; and the Department of Surgery, University of Auckland, Auckland, New Zealand M. Zhang Clinical Pharmacology, Department of Medicine, University of Otago, Christchurch, New Zealand G. A. Moore Toxicology, Canterbury Health Laboratories, Christchurch, New Zealand H. D. Clarke, M. J. Spangehl Department of Orthopaedics, Mayo Clinic, Scottsdale, AZ, USA
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Celani G, Tulini SMR, Montesano C, Zezza D, Sergi M, Varasano V, Mortellaro CM, Compagnone D, Amorena M, Petrizzi L. Pharmacokinetics of marbofloxacin administered via intravenous regional limb perfusion in dairy cows: evaluation of two different tourniquets. Vet Rec Open 2017; 4:e000227. [PMID: 29018533 PMCID: PMC5623333 DOI: 10.1136/vetreco-2017-000227] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 07/21/2017] [Accepted: 08/07/2017] [Indexed: 11/27/2022] Open
Abstract
Objectives This study evaluated synovial and systemic plasma pharmacokinetic variables of marbofloxacin after a single intravenous regional limb perfusion (IVRLP) performed using two different tourniquets in clinically healthy, standing, non-sedated dairy cows. The authors hypothesised that the type of tourniquet used for IVRLP would influence the synovial fluid concentration of marbofloxacin in the perfused distal limb. Design The study had a randomised parallel-group design. Methods Ten adult dairy cows were included. Unilateral hindlimb IVRLP through the dorsal common digital III vein was performed in two groups of five cows (group 1: wide rubber tourniquet; group 2: manual pneumatic tourniquet) using 0.67 mg/kg of marbofloxacin. The tourniquet was applied proximal to the tarsus and maintained for 30 minutes. Samples of jugular blood and synovial fluid from the tibiotarsal joints of the perfused limb were obtained before and at intervals after IVRLP. All samples were analysed for drug concentrations using liquid chromatography tandem mass spectrometry. Pharmacokinetic parameters were determined to establish the influence of tourniquet types. Differences were considered significant at P≤0.05. Results No adverse effects from the procedure or marbofloxacin were observed in any animal. Significant differences in synovial concentrations and pharmacokinetic parameters were measured. The mean ± sd areas under the concentration versus time curve from time 0 to 24 hours were 178.98±58.08 µg hour/ml for group 2 and 21.11±9.93 µg hour/ml for group 1. The mean ± sd maximum marbofloxacin concentrations were 75.50±10.19 µg/ml for group 2 and 6.35±1.47 µg/ml for group 1. Conclusions Performing IVRLP using the dorsal common digital III vein and a manual pneumatic tourniquet set at 300 mmHg above the tarsus in standing cows resulted in significantly higher marbofloxacin concentrations in the tibiotarsal joint compared with those with the wide rubber tourniquet. Trial registration Local ethical committee (number 41/2012/CEISA).
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Affiliation(s)
- Gianluca Celani
- Faculty of Veterinary Medicine, Veterinary Teaching Hospital, University of Teramo, Teramo, Italy
| | - Serena Maria Rita Tulini
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | | | - Daniela Zezza
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Manuel Sergi
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Vincenzo Varasano
- Faculty of Veterinary Medicine, Veterinary Teaching Hospital, University of Teramo, Teramo, Italy
| | | | - Dario Compagnone
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Michele Amorena
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Lucio Petrizzi
- Faculty of Veterinary Medicine, Veterinary Teaching Hospital, University of Teramo, Teramo, Italy
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SUCCESSFUL TREATMENT OF DIGITAL OSTEITIS BY INTRAVENOUS REGIONAL PERFUSION OF CEFTIOFUR IN AN AFRICAN ELEPHANT (LOXODONTA AFRICANA). J Zoo Wildl Med 2017; 48:554-558. [PMID: 28749306 DOI: 10.1638/2015-0292r1.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A 41-yr-old African elephant ( Loxodonta africana ) presented with a swollen third digit of the left forelimb and a 2-cm hole in the pad. Corrective trimming, topical treatments, and an oral antibiotic resulted in apparent resolution; however, it reoccurred after 4 mo. Radiographs suggested bone lysis in the third phalanx, with the primary differential diagnosis being septic osteitis. Flushing with metronidazole solution and intravenous regional perfusion (IVRP) of the foot were commenced. A tourniquet was applied just above the carpus, an interdigital vein was identified by ultrasound, and into this vein 2 g (20 ml) of ceftiofur sodium solution, followed by 60 ml of heparinized saline, was administered. The foot was kept raised for 25 min and then the tourniquet was removed. IVRP was repeated every other day for 70 treatments over 6 mo. Healing occurred, which was confirmed radiographically. IVRP offers an excellent treatment modality in a well-trained elephant.
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Dahan R, Britzi M, Sutton GA, Sorek S, Kelmer G. Evaluation of the Pharmacokinetic Properties of a Combination of Marbofloxacin and Imipenem Administered by Regional Limb Perfusion to Standing Horses. J Equine Vet Sci 2017. [DOI: 10.1016/j.jevs.2016.12.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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13
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Affiliation(s)
- Gal Kelmer
- Veterinary Teaching Hospital, Koret School of Veterinary Medicine, Hebrew University of Jerusalem, Rehovot 7610001, Israel, e-mail:
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14
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Kelmer G, Tatz AJ, Kdoshim E, Britzi M, Segev G. Evaluation of the pharmacokinetics of imipenem following regional limb perfusion using the saphenous and the cephalic veins in standing horses. Res Vet Sci 2017; 114:64-68. [PMID: 28319829 DOI: 10.1016/j.rvsc.2017.02.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2016] [Revised: 02/13/2017] [Accepted: 02/23/2017] [Indexed: 10/20/2022]
Abstract
This prospective experimental study goal was to determine the pharmacokinetics of imipenem after intravenous regional limb perfusion (IV-RLP) in standing horses. Nine horses participated in the study; that was approved by the University Animal Care and Use Committee. One thoracic limb or one pelvic limb of each horse was randomly selected. After the veins were catheterized, an Esmarch bandage tourniquet was applied and the catheter was injected with a solution containing 500mg of imipenem. Synovial fluid samples were collected from the fetlock joint and blood samples were collected from the jugular vein. All samples were analyzed for imipenem concentration using liquid chromatography mass spectrometry. Cmax of imipenem in the fetlock joint using the cephalic and the saphenous vein was 87 and 60μg⁄mL, respectively. The results indicate that by performing IV-RLP using the cephalic/saphenous, one can achieve imipenem concentrations in the fetlock joint that are well above the MIC of most susceptible pathogens including resistant bacteria such as Methicillin Resistant Staphylococcus aureus (MRSA) and Pseudomonas aeruginosa. Thus, with selective; judicious use, RLP with imipenem can markedly increase treatment efficacy of severe distal limb infections in horses.
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Affiliation(s)
- G Kelmer
- Large Animal Department, Veterinary Teaching Hospital, Koret School of Veterinary Medicine, Robert H. Smith Faculty of Agriculture Food and Environment, Hebrew University of Jerusalem, Rehovot, Israel.
| | - A J Tatz
- Large Animal Department, Veterinary Teaching Hospital, Koret School of Veterinary Medicine, Robert H. Smith Faculty of Agriculture Food and Environment, Hebrew University of Jerusalem, Rehovot, Israel
| | - E Kdoshim
- Large Animal Department, Veterinary Teaching Hospital, Koret School of Veterinary Medicine, Robert H. Smith Faculty of Agriculture Food and Environment, Hebrew University of Jerusalem, Rehovot, Israel
| | - M Britzi
- The National Residue Control Laboratory, Kimron Veterinary Institute, Bet Dagan, Israel
| | - G Segev
- Small Animal Department, Veterinary Teaching Hospital, Koret School of Veterinary Medicine, Robert H. Smith Faculty of Agriculture Food and Environment, Hebrew University of Jerusalem, Rehovot, Israel
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Godfrey JL, Hardy J, Cohen ND. Effects of regional limb perfusion volume on concentrations of amikacin sulfate in synovial and interstitial fluid samples from anesthetized horses. Am J Vet Res 2017; 77:582-8. [PMID: 27227495 DOI: 10.2460/ajvr.77.6.582] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate the effect of volume of IV regional limb perfusion (IVRLP) on amikacin concentrations in synovial and interstitial fluid of horses. ANIMALS 8 healthy adult horses. PROCEDURES Each forelimb was randomly assigned to receive IVRLP with 4 mL of amikacin sulfate solution (250 mg/mL) plus 56 mL (total volume, 60 mL) or 6 mL (total volume, 10 mL) of lactated Ringer solution. Horses were anesthetized, and baseline synovial and interstitial fluid samples were collected. A tourniquet was placed, and the assigned treatment was administered via the lateral palmar digital vein. Venous blood pressure in the distal portion of the limb was recorded. Additional synovial fluid samples were collected 30 minutes (just before tourniquet removal) and 24 hours after IVRLP began; additional interstitial fluid samples were collected 6 and 24 hours after IVRLP began. RESULTS 30 minutes after IVRLP began, mean amikacin concentration in synovial fluid was significantly greater for the large-volume (459 μg/mL) versus small-volume (70 μg/mL) treatment. Six hours after IVRLP, mean concentration in interstitial fluid was greater for the large-volume (723 μg/mL) versus small-volume (21 μg/mL) treatment. Peak venous blood pressure after large-volume IVRLP was significantly higher than after small-volume IVRLP, with no difference between treatments in time required for pressure to return to baseline. CONCLUSIONS AND CLINICAL RELEVANCE Study findings suggested that large-volume IVRLP would deliver more amikacin to metacarpophalangeal joints of horses than would small-volume IVRLP, without a clinically relevant effect on local venous blood pressure, potentially increasing treatment efficacy.
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Cox KS, Nelson BB, Wittenburg L, Gold JR. Plasma, subcutaneous tissue and bone concentrations of ceftiofur sodium after regional limb perfusion in horses. Equine Vet J 2016; 49:341-344. [DOI: 10.1111/evj.12614] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Accepted: 07/01/2016] [Indexed: 11/28/2022]
Affiliation(s)
- K. S. Cox
- Department of Clinical Sciences; College of Veterinary Medicine and Biomedical Sciences; Colorado State University; Fort Collins Colorado USA
| | - B. B. Nelson
- Gail Holmes Orthopaedic Research Center; Department of Clinical Sciences; College of Veterinary Medicine and Biomedical Sciences; Colorado State University; Fort Collins Colorado USA
| | - L. Wittenburg
- Flint Animal Cancer Center; College of Veterinary Medicine and Biomedical Sciences; Colorado State University; Fort Collins Colorado USA
| | - J. R. Gold
- Department of Clinical Sciences; College of Veterinary Medicine; Washington State University; Pullman Washington USA
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Sole A, Nieto JE, Aristizabal FA, Snyder JR. Effect of emptying the vasculature before performing regional limb perfusion with amikacin in horses. Equine Vet J 2015; 48:737-740. [DOI: 10.1111/evj.12501] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2014] [Accepted: 08/07/2015] [Indexed: 11/30/2022]
Affiliation(s)
- A. Sole
- William R. Pritchard Veterinary Medical Teaching Hospital; University of California; Davis USA
| | - J. E. Nieto
- Departments of Surgical and Radiological Sciences; University of California; Davis USA
| | - F. A. Aristizabal
- William R. Pritchard Veterinary Medical Teaching Hospital; University of California; Davis USA
| | - J. R. Snyder
- Departments of Surgical and Radiological Sciences; University of California; Davis USA
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Kelmer G, Tatz AJ, Famini S, Bdolah-Abram T, Soback S, Britzi M. Evaluation of regional limb perfusion with chloramphenicol using the saphenous or cephalic vein in standing horses. J Vet Pharmacol Ther 2014; 38:35-40. [PMID: 25073920 DOI: 10.1111/jvp.12140] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2013] [Accepted: 05/14/2014] [Indexed: 11/28/2022]
Abstract
Regional limb perfusion (RLP) significantly decreases morbidity and mortality associated with distal limb injuries in horses. There is an urgent need for finding additional effective antimicrobial drugs for use in RLP. In this study, we tested the pharmacokinetics (PK) of chloramphenicol in RLP. Eight horses participated in the study, which was approved by the University Animal Care and Use Committee. The cephalic and the saphenous veins were used to perfuse the limbs. Synovial samples were collected from the metacarpo/metatarsophalangeal (MCP/MTP) joint. The Friedman Test was applied for assessing change in PK concentration over time, for all time points. The Wilcoxon Signed Ranks Test was used to test the difference between PK concentration in joint & serum as well as concentration in joint vs. MIC. The comparison of measurements between measurements taken on hind vs. front legs was carried out using the Mann-Whitney Test. A P-value of 5% or less was considered statistically significant. After RLP, the concentration of chloramphenicol in the synovial fluid of the MCP/MTP joint using either the cephalic or the saphenous vein was initially far above the minimal inhibitory concentration (MIC) of most susceptible pathogens and remained above the MIC for approximately 6 h. The results indicate that performing RLP using the cephalic and saphenous veins enables reaching concentrations of chloramphenicol in the MCP/MTP joint that are well above the MIC of most susceptible pathogens. The chloramphenicol concentrations achieved in the synovial fluid of the MCP/MTP joint in the current study were between 1.5 (MTP) and 7 (MCP) times the MIC of MRSA in horses. These results are encouraging since MRSA infections are becoming far more common, causing considerable morbidity. To the best of our knowledge, this is the first study to evaluate the pharmacokinetics of chloramphenicol following RLP in the horse and the results are positive.
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Affiliation(s)
- G Kelmer
- Department of Large Animal Medicine and Surgery, Veterinary Teaching Hospital, Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
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Young SW, Zhang M, Freeman JT, Mutu-Grigg J, Pavlou P, Moore GA. The Mark Coventry Award: Higher tissue concentrations of vancomycin with low-dose intraosseous regional versus systemic prophylaxis in TKA: a randomized trial. Clin Orthop Relat Res 2014; 472:57-65. [PMID: 23666589 PMCID: PMC3889447 DOI: 10.1007/s11999-013-3038-z] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND In response to increasing antibiotic resistance, vancomycin has been proposed as an alternative prophylactic agent in TKA. However, vancomycin requires a prolonged administration time, risks promoting further antibiotic resistance, and can cause systemic toxicity. Intraosseous regional administration (IORA) is known to achieve markedly higher antibiotic concentrations than systemic administration and may allow the use of a lower vancomycin dose. QUESTIONS/PURPOSES We assessed whether low-dose IORA vancomycin can achieve tissue concentrations equal or superior to those of systemic administration in TKA and compared complications between patients treated with IORA and intravenous vancomycin. METHODS We randomized 30 patients undergoing primary TKA to receive 250 or 500 mg vancomycin via IORA or 1 g via systemic administration. IORA was performed as a bolus injection into a tibial intraosseous cannula below an inflated thigh tourniquet immediately before skin incision. Subcutaneous fat and bone samples were taken during the procedure and antibiotic concentrations measured. RESULTS The overall mean tissue concentration of vancomycin in subcutaneous fat was 14 μg/g in the 250-mg IORA group, 44 μg/g in the 500-mg IORA group, and 3.2 μg/g in the systemic group. Mean concentrations in bone were 16 μg/g in the 250-mg IORA group, 38 μg/g in the 500-mg IORA group, and 4.0 μg/g in the systemic group. One patient in the systemic group developed red man syndrome during infusion. CONCLUSIONS Low-dose IORA vancomycin results in tissue concentrations equal or superior to those of systemic administration. IORA optimizes timing of vancomycin administration, and the lower dose may reduce the risk of systemic side effects while providing equal or enhanced prophylaxis in TKA.
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Affiliation(s)
- Simon W. Young
- />Department of Orthopaedics, North Shore Hospital, Private Bag 93-503, Takapuna, Auckland, 0740 New Zealand
| | - Mei Zhang
- />Clinical Pharmacology, Department of Medicine, University of Otago, Christchurch, New Zealand , />Toxicology, Canterbury Health Laboratories, Christchurch, New Zealand
| | - Joshua T. Freeman
- />Clinical Microbiology, Auckland City Hospital, Auckland, New Zealand
| | - John Mutu-Grigg
- />Department of Orthopaedics, North Shore Hospital, Private Bag 93-503, Takapuna, Auckland, 0740 New Zealand
| | - Paul Pavlou
- />Department of Orthopaedics, North Shore Hospital, Private Bag 93-503, Takapuna, Auckland, 0740 New Zealand
| | - Grant A. Moore
- />Toxicology, Canterbury Health Laboratories, Christchurch, New Zealand
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Lallemand E, Trencart P, Tahier C, Dron F, Paulin A, Tessier C. Pharmacokinetics, Pharmacodynamics and Local Tolerance at Injection Site of Marbofloxacin Administered by Regional Intravenous Limb Perfusion in Standing Horses. Vet Surg 2013; 42:649-57. [DOI: 10.1111/j.1532-950x.2013.12030.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2011] [Accepted: 05/01/2012] [Indexed: 11/28/2022]
Affiliation(s)
- Elodie Lallemand
- Department of Equine Surgery; ONIRIS Nantes-Atlantic National College of Veterinary Medicine, Food Science and Engineering; Nantes; France
| | | | - Carine Tahier
- Department of Diagnostic Medical Imaging; ONIRIS Nantes-Atlantic National College of Veterinary Medicine, Food Science and Engineering; Nantes; France
| | | | | | - Caroline Tessier
- Department of Equine Surgery; ONIRIS Nantes-Atlantic National College of Veterinary Medicine, Food Science and Engineering; Nantes; France
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Rubio-Martínez LM, Elmas CR, Black B, Monteith G. Clinical use of antimicrobial regional limb perfusion in horses: 174 cases (1999-2009). J Am Vet Med Assoc 2013; 241:1650-8. [PMID: 23216042 DOI: 10.2460/javma.241.12.1650] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To describe the clinical use of regional limb perfusion with antimicrobials (A-RLP), complications, and outcome in a large series of patients. DESIGN Retrospective case series. ANIMALS 174 horses. PROCEDURES Medical records of horses treated with A-RLP between 1999 and 2009 were reviewed. Signalment, primary complaint, horse use, etiology, duration of clinical signs, previous treatment, structures involved, concurrent conditions, A-RLP characteristics, additional treatments, complications, and outcome were recorded. At long-term follow-up, 2 outcomes were investigated: survival rate and return to previous use at the same or higher level. Univariate and multivariate logistic regression analyses were conducted. RESULTS Group 1 (96 horses) included septic synovitis. Group 2 (50 horses) included extrasynovial lacerations (23 horses) and fresh, minimally contaminated intrasynovial lacerations without evidence of established synovial infection (27 horses). Group 3 (28 horses) included miscellaneous other conditions. Only minor complications were reported in 12.26% of horses that received IV (n = 155) and 33% of horses that received intraosseous (27) A-RLP. Horses with septic synovitis had a lower survival rate (53.43%) than did horses with lacerations (91.89%). Within group 2, no significant differences in short- or long-term outcomes were found between horses with extrasynovial and fresh, minimally contaminated intrasynovial lacerations. For the horses returning to previous use, 80% of horses with septic synovitis and 72.72% of horses with lacerations were performing at the same or higher level at the time of follow-up. CONCLUSIONS AND CLINICAL RELEVANCE The results of the present study indicated that A-RLP is a safe technique with minimal adverse effects. The IV route presented fewer complications than intraosseous injection. Horses with infection of synovial structures had a lower survival rate than did those with acute, minimally contaminated intrasynovial lacerations. The latter had a similar prognosis for horses with extrasynovial lacerations treated with A-RLP.
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Affiliation(s)
- Luis M Rubio-Martínez
- Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Canada.
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Kelmer G, Martin-Jimenez T, Saxton AM, Catasus C, Elliot SB, Lakritz J. Evaluation of regional limb perfusion with erythromycin using the saphenous, cephalic, or palmar digital veins in standing horses. J Vet Pharmacol Ther 2012; 36:434-40. [DOI: 10.1111/jvp.12028] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2012] [Accepted: 11/02/2012] [Indexed: 11/26/2022]
Affiliation(s)
- G. Kelmer
- Large Animal Clinical Sciences; College of Veterinary Medicine; University of Tennessee; Knoxville TN USA
| | - T. Martin-Jimenez
- Comparative Medicine; College of Veterinary Medicine; University of Tennessee; Knoxville TN USA
| | - A. M. Saxton
- Department of Animal Science; College of Agricultural Sciences and Natural Resources; University of Tennessee; Knoxville TN USA
| | - C. Catasus
- Large Animal Clinical Sciences; College of Veterinary Medicine; University of Tennessee; Knoxville TN USA
| | - S. B. Elliot
- Large Animal Clinical Sciences; College of Veterinary Medicine; University of Tennessee; Knoxville TN USA
| | - J. Lakritz
- Department of Veterinary Clinical Sciences; College of Veterinary Medicine; The Ohio State University; Columbus OH USA
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HART SK, BARRETT JG, BROWN JA, PAPICH MG, POWERS BE, SULLINS KE. Elution of antimicrobials from a cross-linked dextran gel:In vivoQuantification. Equine Vet J 2012; 45:148-53. [DOI: 10.1111/j.2042-3306.2012.00633.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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KELMER G, BELL GC, MARTIN-JIMENEZ T, SAXTON AM, CATASUS C, ELLIOT SB, MEIBOHM B. Evaluation of regional limb perfusion with amikacin using the saphenous, cephalic, and palmar digital veins in standing horses. J Vet Pharmacol Ther 2012; 36:236-40. [DOI: 10.1111/j.1365-2885.2012.01414.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Levine DG, Epstein KL, Ahern BJ, Richardson DW. Efficacy of three tourniquet types for intravenous antimicrobial regional limb perfusion in standing horses. Vet Surg 2010; 39:1021-4. [PMID: 20880139 DOI: 10.1111/j.1532-950x.2010.00732.x] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To determine (1) if clinically useful concentrations of amikacin sulfate can be obtained in synovial fluid during regional limb perfusion (RLP) performed above the carpus in standing sedated horses and (2) to determine the efficacy of 3 tourniquet types (narrow rubber [NR], wide rubber [WR], pneumatic [PN]). ANIMALS Horses (n=9). METHODS Bilateral forelimb RLP with amikacin sulfate (2.5 g) were administered through the cephalic vein in standing sedated horses. Limbs were randomly assigned to the 3 tourniquet types (NR, WR, PN) applied above the carpus. Metacarpophalangeal synovial fluid was obtained 0.5 hour after perfusion. Amikacin concentration in the synovial fluid was detected using fluorescence polarization immunoassay. RESULTS Mean synovial concentrations of amikacin in the PN (mean 236 μg/mL; range 23-913 μg/mL) and WR (mean 64.2 μg/mL; range 7-315 μg/mL) were significantly higher (P=.000 and .032, respectively) than the NR tourniquet (mean 2.1 μg/mL; range 0.9-3.3 μg/mL). CONCLUSIONS The PN tourniquet resulted in the highest synovial fluid amikacin concentrations in all horses, although administration with PN and WR tourniquets achieved adequate amikacin concentrations. NR tourniquet is ineffective and should not be used for RLP above the carpus in the standing horse.
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Affiliation(s)
- David G Levine
- Department of Clinical Studies, New Bolton Center, University of Pennsylvania, Kennett Square, PA 19348-1692, USA.
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Kelmer G, Elliot SB, Catasus CT, Saxton AM. Evaluation of indwelling intravenous catheters for the regional perfusion of the limbs of horses. Vet Rec 2009; 165:496-501. [DOI: 10.1136/vr.165.17.496] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
| | | | - C. T. Catasus
- College of Veterinary Medicine; University of Tennessee; 2407 River Drive Knoxville TN 37996 USA
| | - A. M. Saxton
- Department of Animal Science; College of Agricultural Sciences and Natural Resources; University of Tennessee; 2505 River Drive Knoxville TN 37996 USA
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Antibiotic Intravenous Regional Perfusion for Successful Resolution of Distal Limb Infections: Two Cases. J Zoo Wildl Med 2008; 39:438-44. [DOI: 10.1638/2007-0177.1] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Gilliam JN, Streeter RN, Papich MG, Washburn KE, Payton ME. Pharmacokinetics of florfenicol in serum and synovial fluid after regional intravenous perfusion in the distal portion of the hind limb of adult cows. Am J Vet Res 2008; 69:997-1004. [DOI: 10.2460/ajvr.69.8.997] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Errico JA, Trumble TN, Bueno ACD, Davis JL, Brown MP. Comparison of two indirect techniques for local delivery of a high dose of an antimicrobial in the distal portion of forelimbs of horses. Am J Vet Res 2008; 69:334-42. [DOI: 10.2460/ajvr.69.3.334] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Cruz AM, Rubio-Martinez L, Dowling T. New antimicrobials, systemic distribution, and local methods of antimicrobial delivery in horses. Vet Clin North Am Equine Pract 2007; 22:297-322, vii-viii. [PMID: 16882477 DOI: 10.1016/j.cveq.2006.03.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
The local delivery of antimicrobials is a valuable therapeutic tool with a low morbidity, is practical to use, and is well tolerated by horses. Clinically, its use has allowed equine practitioners to achieve better results when treating musculoskeletal infections, and it represents an extremely useful tool in the practitioner's armamentarium against these types of infections. The technique is indicated to combat orthopedic infections involving bones, joints, physes, tendon sheaths, and foot tissues. Optimal treatment must include other approaches, such as systemic antimicrobial therapy and surgical debridement and lavage, and monitoring of the clinical progression of the patient can help to determine the ideal protocol for each patient.
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Affiliation(s)
- Antonio M Cruz
- Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada N1G 2W1.
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Rubio-Martínez LM, López-Sanromán J, Cruz AM, Tendillo F, Rioja E, San Román F. Evaluation of safety and pharmacokinetics of vancomycin after intraosseous regional limb perfusion and comparison of results with those obtained after intravenous regional limb perfusion in horses. Am J Vet Res 2006; 67:1701-7. [PMID: 17014319 DOI: 10.2460/ajvr.67.10.1701] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate the clinical effects and pharmacokinetics of vancomycin in plasma and synovial fluid after intraosseous regional limb perfusion (IORLP) in horses and to compare results with those obtained after IV regional limb perfusion (IVRLP). ANIMALS 6 horses. PROCEDURES 1 forelimb of each horse received vancomycin hydrochloride (300 mg in 60 mL of saline [0.9% NaCl] solution) via IORLP; the contralateral limb received 60 mL of saline solution (control). Solutions were injected into the medullary cavity of the distal portion of the third metacarpal bone. Synovial fluid from the metacarpophalangeal (MTCP) and distal interphalangeal (DIP) joints and blood were collected prior to perfusion and 15, 30, 45, 65, and 90 minutes after beginning IORLP, and synovial fluid from the MTCP joint only and blood were collected 4, 8, 12, and 24 hours after beginning IORLP. Plasma urea and creatinine concentrations and clinical appearance of the MTCP joint region and infusion sites were determined daily for 7 days. Results were compared with those of a separate IVRLP study. RESULTS Clinical complications were not observed after IORLP. Mean vancomycin concentration in the MTCP joint was 4 microg/mL for 24 hours after IORLP. Compared with IORLP, higher vancomycin concentrations were detected in the DIP joint after IVRLP. Compared with IVRLP, higher vancomycin concentrations were detected in the MTCP joint for a longer duration after IORLP. CONCLUSIONS AND CLINICAL RELEVANCE IORLP with 300 mg of vancomycin in a 0.5% solution was safe and may be clinically useful in horses. Intravenous and intraosseous routes may be better indicated for infectious processes in the DIP and MTCP joints, respectively.
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Affiliation(s)
- Luis M Rubio-Martínez
- Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, Universidad Complutense de Madrid, Spain
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Parra-Sanchez A, Lugo J, Boothe DM, Gaughan EM, Hanson RR, Duran S, Belknap JK. Pharmacokinetics and pharmacodynamics of enrofloxacin and a low dose of amikacin administered via regional intravenous limb perfusion in standing horses. Am J Vet Res 2006; 67:1687-95. [PMID: 17014317 DOI: 10.2460/ajvr.67.10.1687] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate the pharmacokinetic-pharmacodynamic parameters of enrofloxacin and a low dose of amikacin administered via regional IV limb perfusion (RILP) in standing horses. ANIMALS 14 adult horses. PROCEDURES Standing horses (7 horses/group) received either enrofloxacin (1.5 mg/kg) or amikacin (250 mg) via RILP (involving tourniquet application) in 1 forelimb. Samples of interstitial fluid (collected via implanted capillary ultrafiltration devices) from the bone marrow (BMIF) of the third metacarpal bone and overlying subcutaneous tissues (STIF), blood, and synovial fluid of the radiocarpal joint were collected prior to (time 0) and at intervals after tourniquet release for determination of drug concentrations. For pharmacokinetic-pharmacodynamic analyses, minimum inhibitory concentrations (MICs) of 16 microg/mL (amikacin) and 0.5 microg/mL (enrofloxacin) were applied. RESULTS After RILP with enrofloxacin, 3 horses developed vasculitis. The highest synovial fluid concentrations of enrofloxacin and amikacin were detected at time 0; median values (range) were 13.22 microg/mL (0.254 to 167.9 microg/mL) and 26.2 microg/mL (5.78 to 50.0 microg/mL), respectively. Enrofloxacin concentrations exceeded MIC for approximately 24 hours in STIF and synovial fluid and for 36 hours in BMIF. After perfusion of amikacin, concentrations greater than the MIC were not detected in any samples. Effective therapeutic concentrations of enrofloxacin were attained in all samples. CONCLUSIONS AND CLINICAL RELEVANCE In horses with orthopedic infections, RILP of enrofloxacin (1.5 mg/kg) should be considered as a treatment option. However, care must be taken during administration. A dose of amikacin > 250 mg is recommended to attain effective tissue concentrations via RILP in standing horses.
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Affiliation(s)
- Alberto Parra-Sanchez
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA
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Abstract
Regional limb perfusion involves administration of an antimicrobial solution into the vasculature of a selected portion of the limb that has been isolated from the systemic circulation by controlled application of a tourniquet. The technique provides high antimicrobial concentrations in the region of interest and greatly contributes to the elimination of infection.
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Affiliation(s)
- Luis M Rubio-Martínez
- Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada
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