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Schumacher J, Peter RS, Nagel G, Rothenbacher D, Rosenbohm A, Ludolph AC, Dorst J. Statins, diabetes mellitus and prognosis of amyotrophic lateral sclerosis: data from 501 patients of a population-based registry in southwest Germany. Eur J Neurol 2020; 27:1405-1414. [PMID: 32396653 DOI: 10.1111/ene.14300] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 04/30/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND AND PURPOSE A wide variety of metabolic changes, including an increased incidence of diabetes mellitus (DM) and dyslipidaemia, has been described in amyotrophic lateral sclerosis (ALS). The aim of this study was to investigate the associations of statin use and history of DM with onset of disease and survival in patients with ALS. METHODS In all, 501 patients (mean age 65.2 ± 10.9 years; 58.5% male) from the ALS Registry Swabia recruited between October 2010 and April 2016 were included in this prospective cohort study. Data were collected using a standardized questionnaire. RESULTS Statin use (n = 65) was not associated with overall survival (P = 0.62). Age of ALS onset in patients with DM was 4.2 years later (95% confidence interval 1.3-7.2 years) than in patients without DM (P < 0.01). The overall survival of patients with high body mass index at study entry (>27.0 kg/m2 , upper quartile, n = 127) was prolonged by more than 5 months compared to patients with low body mass index (<22.0 kg/m2 , lower quartile, n = 123; P = 0.04). CONCLUSIONS This study supports the view that statin use is not associated with overall survival of ALS patients, suggesting that statins are not harmful and should not be discontinued in ALS. Furthermore, the delayed onset of ALS in patients with DM may mirror the potentially protective metabolic profile associated with type 2 DM. Consistently, this study provides further evidence that high body mass index is a positive prognostic factor in ALS.
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Schumacher J, Arlidge J, Dudley D, Sicinski M, Ahmad I. The impact of respiratory protective equipment on difficult airway management: a randomised, crossover, simulation study. Anaesthesia 2020; 75:1301-1306. [PMID: 32335900 PMCID: PMC7267320 DOI: 10.1111/anae.15102] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/24/2020] [Indexed: 01/07/2023]
Abstract
The current international COVID‐19 health crisis underlines the importance of adequate and suitable personal protective equipment for clinical staff during acute airway management. This study compares the impacts of standard air‐purifying respirators and powered air‐purifying respirators during simulated difficult airway scenarios. Twenty‐five anaesthetists carried out four different standardised difficult intubation drills, either unprotected (control), or wearing a standard or a powered respirator. Treatment times and wearer comfort were determined and compared. In the wearer comfort evaluation form, operators rated mobility, noise, heat, vision and speech intelligibility. All anaesthetists accomplished the treatment objectives of all study arms without adverse events. Total mean (SD) intubation times for the four interventions did not show significant differences between the powered and the standard respirator groups, being 16.4 (8.6) vs. 19.2 (5.2) seconds with the Airtraq™; 11.4 (3.4) vs. 10.0 (2.1) seconds with the videolaryngoscope; 39.2 (4.5) vs. 40.1 (4.8) seconds with the fibreoptic bronchoscope scope; and 15.4 (5.7) vs. 15.1 (5.0) seconds for standard tracheal intubation by direct laryngoscopy, respectively. Videolaryngoscopy allowed the shortest intubation times regardless of the respiratory protective device used. Anaesthetists rated heat and vision significantly higher in the powered respirator group; however, noise levels were perceived to be significantly lower than in the standard respirator group. We conclude that standard and powered respirators do not significantly prolong simulated advanced intubation procedures.
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Boone LH, DeGraves FJ, Klein CE, Cole RC, Schumacher J. Effect of 3% chloroprocaine hydrochloride when used for median and ulnar regional nerve blocks in lame horses. Am J Vet Res 2020; 81:13-16. [PMID: 31887088 DOI: 10.2460/ajvr.81.1.13] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To assess onset of analgesia for 3% chloroprocaine hydrochloride and 2% mepivacaine hydrochloride when used for median and ulnar nerve blocks in lame horses. ANIMALS 6 naturally lame horses. PROCEDURES A crossover experiment was conducted. Horses were assigned to 1 of 2 treatment groups (3% chloroprocaine or 2% mepivacaine first). Median and ulnar nerve blocks were performed in the lame limb with the assigned treatment. Lameness was objectively evaluated before treatment administration and at various points for 120 minutes after treatment with a wireless inertial sensor-based motion analysis system. Following a 7-day washout period, horses then received the other treatment and lameness evaluations were repeated. RESULTS Median and ulnar nerve blocks performed with 3% chloroprocaine resulted in more consistent, rapid, and profound amelioration of lameness than did blocks performed with 2% mepivacaine. Lameness decreased more between 20 and 40 minutes after injection when 3% chloroprocaine was used than when 2% mepivacaine was used. Complete resolution of lameness was detected a mean of 9 minutes after injection when median and ulnar nerve blocks were performed with 3% chloroprocaine and a mean of 28 minutes after injection when performed with 2% mepivacaine. CONCLUSIONS AND CLINICAL RELEVANCE 3% chloroprocaine had a more rapid onset and provided better analgesia for median and ulnar nerve blocks in horses with naturally occurring lameness, compared with 2% mepivacaine. These favorable properties suggest that 3% chloroprocaine would be useful for performance of median and ulnar regional nerve blocks during complicated lameness evaluations.
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Cypher EE, Blackford J, Snowden RT, Sexton JA, Schumacher J. Surgical correction of entrapment of the large colon and caecum through a mesoduodenal rent with standing laparoscopic repair in a mare. EQUINE VET EDUC 2020. [DOI: 10.1111/eve.12941] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Schumacher J, Ko S, Ratnayake G. Compliance with current anaesthetic equipment safety guidelines in the light of a cluster of avoidable anaesthetic deaths. Anaesthesia 2020; 75:277-278. [DOI: 10.1111/anae.14927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Silva E, Schumacher J, Passler T. Castration of Dogs Using Local Anesthesia After Sedating With Xylazine and Subanesthetic Doses of Ketamine. Front Vet Sci 2020; 6:478. [PMID: 32039245 PMCID: PMC6989469 DOI: 10.3389/fvets.2019.00478] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 12/05/2019] [Indexed: 01/21/2023] Open
Abstract
Orchiectomy is performed in some species using only sedation and local anesthesia to decrease the expense of performing the procedure using general anesthesia. The objective of this study was to determine if dogs can be castrated safely and painlessly by using only sedation and local anesthesia. After dogs were sedated with intramuscularly administered xylazine (1 mg/kg) and subanesthetic ketamine (1 mg/kg), testes and skin were anesthetized with 2% lidocaine (6 mg/kg, total dose) buffered with sodium bicarbonate. Systolic, diastolic, and mean blood pressures; heart and respiratory rates; and movement scores were determined before and during surgery when manipulations were most likely to cause pain. No dog reacted substantially to injection of the combination of sedatives, and no dog reacted noticeably to injection of lidocaine. During surgery, the average heart rate was reduced from baseline by 40–60 beats per minute, and the average respiratory rate was reduced by ~10 breaths per minute. An overall reduction of arterial blood pressures was observed. All but one dog moved purposely in response to a toe pinch at the end of surgery. We found that sedating dogs intramuscularly with xylazine and a sub-anesthetic dose of ketamine and administering lidocaine at the incision site and intratesticularly allowed dogs to be castrated humanely and avoided the expense of general anesthesia and the need for hospitalization.
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Schumacher J, Boone L. Local anaesthetics for regional and intra‐articular analgesia in the horse. EQUINE VET EDUC 2019. [DOI: 10.1111/eve.13235] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Aab A, Abreu P, Aglietta M, Albuquerque I, Albury J, Allekotte I, Almela A, Alvarez Castillo J, Alvarez-Muñiz J, Anastasi G, Anchordoqui L, Andrada B, Andringa S, Aramo C, Asorey H, Assis P, Avila G, Badescu A, Bakalova A, Balaceanu A, Barbato F, Barreira Luz R, Baur S, Becker K, Bellido J, Berat C, Bertaina M, Bertou X, Biermann P, Biteau J, Blaess S, Blanco A, Blazek J, Bleve C, Boháčová M, Boncioli D, Bonifazi C, Borodai N, Botti A, Brack J, Bretz T, Bridgeman A, Briechle F, Buchholz P, Bueno A, Buitink S, Buscemi M, Caballero-Mora K, Caccianiga L, Calcagni L, Cancio A, Canfora F, Carceller J, Caruso R, Castellina A, Catalani F, Cataldi G, Cazon L, Cerda M, Chinellato J, Chudoba J, Chytka L, Clay R, Cobos Cerutti A, Colalillo R, Coleman A, Coluccia M, Conceição R, Condorelli A, Consolati G, Contreras F, Convenga F, Cooper M, Coutu S, Covault C, Daniel B, Dasso S, Daumiller K, Dawson B, Day J, de Almeida R, de Jong S, De Mauro G, de Mello Neto J, De Mitri I, de Oliveira J, de Oliveira Salles F, de Souza V, Debatin J, del Río M, Deligny O, Dhital N, Díaz Castro M, Diogo F, Dobrigkeit C, D’Olivo J, Dorosti Q, dos Anjos R, Dova M, Dundovic A, Ebr J, Engel R, Erdmann M, Escobar C, Etchegoyen A, Falcke H, Farmer J, Farrar G, Fauth A, Fazzini N, Feldbusch F, Fenu F, Ferreyro L, Figueira J, Filipčič A, Freire M, Fujii T, Fuster A, García B, Gemmeke H, Gherghel-Lascu A, Ghia P, Giaccari U, Giammarchi M, Giller M, Głas D, Glombitza J, Gobbi F, Golup G, Gómez Berisso M, Gómez Vitale P, Gongora J, González N, Goos I, Góra D, Gorgi A, Gottowik M, Grubb T, Guarino F, Guedes G, Guido E, Halliday R, Hampel M, Hansen P, Harari D, Harrison T, Harvey V, Haungs A, Hebbeker T, Heck D, Heimann P, Hill G, Hojvat C, Holt E, Homola P, Hörandel J, Horvath P, Hrabovský M, Huege T, Hulsman J, Insolia A, Isar P, Jandt I, Johnsen J, Josebachuili M, Jurysek J, Kääpä A, Kampert K, Keilhauer B, Kemmerich N, Kemp J, Klages H, Kleifges M, Kleinfeller J, Krause R, Kuempel D, Kukec Mezek G, Kuotb Awad A, Lago B, LaHurd D, Lang R, Legumina R, Leigui de Oliveira M, Lenok V, Letessier-Selvon A, Lhenry-Yvon I, Lippmann O, Lo Presti D, Lopes L, López R, López Casado A, Lorek R, Luce Q, Lucero A, Malacari M, Mancarella G, Mandat D, Manning B, Mantsch P, Mariazzi A, Mariş I, Marsella G, Martello D, Martinez H, Martínez Bravo O, Mastrodicasa M, Mathes H, Mathys S, Matthews J, Matthiae G, Mayotte E, Mazur P, Medina-Tanco G, Melo D, Menshikov A, Merenda KD, Michal S, Micheletti M, Middendorf L, Miramonti L, Mitrica B, Mockler D, Mollerach S, Montanet F, Morello C, Morlino G, Mostafá M, Müller A, Muller M, Müller S, Mussa R, Nellen L, Nguyen P, Niculescu-Oglinzanu M, Niechciol M, Nitz D, Nosek D, Novotny V, Nožka L, Nucita A, Núñez L, Olinto A, Palatka M, Pallotta J, Panetta M, Papenbreer P, Parente G, Parra A, Pech M, Pedreira F, Pȩkala J, Pelayo R, Peña-Rodriguez J, Pereira L, Perlin M, Perrone L, Peters C, Petrera S, Phuntsok J, Pierog T, Pimenta M, Pirronello V, Platino M, Poh J, Pont B, Porowski C, Prado R, Privitera P, Prouza M, Puyleart A, Querchfeld S, Quinn S, Ramos-Pollan R, Rautenberg J, Ravignani D, Reininghaus M, Ridky J, Riehn F, Risse M, Ristori P, Rizi V, Rodrigues de Carvalho W, Rodriguez Rojo J, Roncoroni M, Roth M, Roulet E, Rovero A, Ruehl P, Saffi S, Saftoiu A, Salamida F, Salazar H, Salina G, Sanabria Gomez J, Sánchez F, Santos E, Santos E, Sarazin F, Sarmento R, Sarmiento-Cano C, Sato R, Savina P, Schauer M, Scherini V, Schieler H, Schimassek M, Schimp M, Schlüter F, Schmidt D, Scholten O, Schovánek P, Schröder F, Schröder S, Schumacher J, Sciutto S, Scornavacche M, Shellard R, Sigl G, Silli G, Sima O, Šmída R, Snow G, Sommers P, Soriano J, Souchard J, Squartini R, Stanca D, Stanič S, Stasielak J, Stassi P, Stolpovskiy M, Streich A, Suarez F, Suárez-Durán M, Sudholz T, Suomijärvi T, Supanitsky A, Šupík J, Szadkowski Z, Taboada A, Taborda O, Tapia A, Timmermans C, Todero Peixoto C, Tomé B, Torralba Elipe G, Travaini A, Travnicek P, Trini M, Tueros M, Ulrich R, Unger M, Urban M, Valdés Galicia J, Valiño I, Valore L, van Bodegom P, van den Berg A, van Vliet A, Varela E, Vargas Cárdenas B, Veberič D, Ventura C, Vergara Quispe I, Verzi V, Vicha J, Villaseñor L, Vink J, Vorobiov S, Wahlberg H, Watson A, Weber M, Weindl A, Wiedeński M, Wiencke L, Wilczyński H, Winchen T, Wirtz M, Wittkowski D, Wundheiler B, Yang L, Yushkov A, Zas E, Zavrtanik D, Zavrtanik M, Zehrer L, Zepeda A, Zimmermann B, Ziolkowski M, Zong Z, Zuccarello F. Data-driven estimation of the invisible energy of cosmic ray showers with the Pierre Auger Observatory. Int J Clin Exp Med 2019. [DOI: 10.1103/physrevd.100.082003] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Degenhardt T, Fasching P, Lüftner D, Müller V, Thomssen C, Schem C, Witzel I, Decker T, Tesch H, Kuemmel S, Uleer C, Wuerstlein R, Riese C, Schinköthe T, Kates R, Schumacher J, Harbeck N, Schmidt M. PRECYCLE: Impact of CANKADO-based eHealth-support on quality of life in metastatic breast cancer patients treated with palbociclib and endocrine therapy. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz242.084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Chesworth M, Brandenberger O, Cheetham J, Windley Z, Schumacher J, Cochran K, Piercy RJ, Perkins JD. Ex vivo investigation of the effect of the transverse arytenoid ligament on abduction of the arytenoid cartilage when performing equine laryngoplasty. N Z Vet J 2019; 67:264-269. [PMID: 31234719 DOI: 10.1080/00480169.2019.1635538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Aims: To investigate the effect of the transverse arytenoid ligament (TAL) on abduction of the arytenoid cartilage when performing laryngoplasty. Methods: Modified prosthetic laryngoplasty was performed on right and left sides of 13 cadaver larynges. Increasing force was sequentially applied to the left arytenoid cartilage at 3 N intervals from 0-24 N, when the force on the right arytenoid cartilage was either 0 or 24 N, before and after TAL transection. Digital photographs of the rostral aspect of the larynx were used to determine the left arytenoid abduction angles for these given force combinations and results compared before and after TAL transection. Longitudinal and transverse sections of the TAL from seven other equine larynges were also examined histologically. Results: Increasing force on the left arytenoid cartilage from 0-24 N produced a progressive increase in the angle of the left arytenoid cartilage (p < 0.001) and increasing force on the right arytenoid cartilage from 0-24 N reduced the angle of the left arytenoid cartilage (p < 0.001). Following transection of the TAL the mean angle of the left arytenoid increased from 36.7 (95% CI = 30.5-42.8)° to 38.4 (95% CI = 32.3-44.5)°. Histological examination showed that the TAL was not a discrete ligament between the arytenoid cartilages but was formed by the convergence of the ligament and the left and right arytenoideus transversus muscles. Conclusions: Transection of the TAL in ex vivo equine larynges enabled greater abduction of the left arytenoid cartilage for a given force. These results indicate that TAL transection in conjunction with prosthetic laryngoplasty may have value, but the efficacy and safety of TAL transection under load in vivo, and in horses clinically affected with recurrent laryngeal neuropathy must be evaluated. Abbreviations: Fmax: Force needed to maximally abduct the left or right arytenoid; TAL: Transverse arytenoid ligament.
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Morrison ML, Groover E, Schumacher J, Newton J, Pereira MM. Lingual Squamous Cell Carcinoma in Two Horses. J Equine Vet Sci 2019; 79:35-38. [PMID: 31405497 DOI: 10.1016/j.jevs.2019.05.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 05/14/2019] [Accepted: 05/15/2019] [Indexed: 11/19/2022]
Abstract
Squamous cell carcinoma (SCC) is one of the most common malignant neoplasms in horses, but lingual SCC has seldom been reported. On separate occasions, a 12-year-old American Quarter Horse mare and an 18-year-old American Saddlebred stallion were presented to the Auburn University Large Animal Teaching Hospital for evaluation of weight loss, dysphagia, and ptyalism. Evaluation of each horse included physical examination, skull radiographs, oral examination, complete blood count and serum biochemistry profile, endoscopic evaluation of the mouth, and biopsy of tissue from a lesion found on the tongue. Histopathologic assessment of tissue harvested from the lingual lesions led to a diagnosis of SCC in each case. The diagnosis prompted euthanasia for one horse, but radiation therapy appeared to delay the progression of the lesion in the other horse.
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Derham AM, O'Leary JM, Connolly SE, Schumacher J, Kelly G. Performance comparison of 159 Thoroughbred racehorses and matched cohorts before and after desmotomy of the interspinous ligament. Vet J 2019; 249:16-23. [PMID: 31239160 DOI: 10.1016/j.tvjl.2019.05.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 05/09/2019] [Accepted: 05/09/2019] [Indexed: 11/16/2022]
Abstract
Racehorses may perform poorly because of impinging dorsal spinous processes (DSPs) of the thoracolumbar vertebrae. No study has looked objectively at the long-term outcome of racehorses undergoing desmotomy of the interspinous ligament as a treatment for horses with poor performance caused by impinging DSPs. The aim of this study was to examine objectively, by using pre-operative and post-operative racing records, the effectiveness of desmotomy of the interspinous ligament (DISL) in improving the performance of racehorses with impinging DSPs. Medical records of all horses undergoing desmotomy of one or more interspinous ligaments at a referral equine hospital, between February 2015 and September 2016, were reviewed. The study was confined to Thoroughbred racehorses with sufficient historical information and racetrack data to allow their racing performances be compared to that of matched controls. Matched controls were of the same age, sex, and racing type and were trained at the same time by the same trainer as those undergoing desmotomy. The time to follow-up was at least 12 months. Of the 6545 horses presented for poor performance or lameness during the study period, 236 horses (3.6%) underwent desmotomy of one or more interspinous ligaments, and of these, 159 met the inclusion criteria. Horses undergoing desmotomy had significantly better improvement in racing performance than did matched controls. Eight horses developed unilateral neurogenic atrophy of epaxial musculature. DISL between impinging DSPs can improve the performance of racehorses experiencing from poor performance caused by pain resulting from the impinging processes.
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Boone L, Schumacher J, DeGraves F, Cole R. Buffering mepivacaine with sodium bicarbonate speeds and potentiates analgesia of median and ulnar nerve blocks performed on horses. Vet Rec 2019; 184:155. [PMID: 30661018 DOI: 10.1136/vr.104962] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 10/03/2018] [Accepted: 12/22/2018] [Indexed: 11/04/2022]
Abstract
The objective of this study was to determine if buffering mepivacaine HCL (mepHCl) with sodium bicarbonate (NaHCO3) would significantly decrease the time to onset of analgesia when performing median and ulnar nerve blocks in naturally lame horses. Median and ulnar nerve blocks were performed on the naturally lame limb of nine horses during two separate study periods, with a minimum washout period of three days between study periods. Nerve blocks were performed by administering mepHCl alone or mepHCl mixed with NaHCO3 (nine parts 2 per cent mepHCl to one part 8.4 per cent NaHCO3). Lameness was evaluated objectively using a wireless, inertial, sensor-based, motion analysis system (Lameness Locator) prior to the high regional nerve block and every five minutes following administration of the nerve block for 75 min. Resolution of lameness occurred earlier and was more profound for horses administered median and ulnar nerve blocks performed with mepHCl and NaHCO3 than when these nerve blocks were performed using only mepHCl.
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Adair S, Baus M, Bell R, Boero M, Bussy C, Cardenas F, Casey T, Castro J, Davis W, Erskine M, Farr R, Fischer A, Forbes B, Ford T, Genovese R, Gottschalk R, Hoge M, Honnas C, Hunter G, Joyce J, Kaneps A, Keegan K, Kramer J, Labens R, Lischer C, Marshall J, Oosterlinck M, Radue P, Redding R, Reed S, Rick M, Santschi E, Schoonover M, Schramme M, Schumacher J, Stephenson R, Thaler R, Nielsen JV, Wilson D. Letter to the Editor: A response to 'What is lameness and what (or who) is the gold standard to detect it?'. Equine Vet J 2018; 51:270-272. [PMID: 30570777 DOI: 10.1111/evj.13043] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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McGlinchey L, Agne G, Passler T, Cole R, Schumacher J. An Objective Assessment of the Effect of Anesthetizing the Median Nerve on Lameness Caused by Pain in the Cubital Joint. J Equine Vet Sci 2018; 75:9-13. [PMID: 31002100 DOI: 10.1016/j.jevs.2018.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 12/16/2018] [Accepted: 12/17/2018] [Indexed: 10/27/2022]
Abstract
The median nerve, along with the ulnar nerve, is often anesthetized when performing a lameness examination in horses. Because of the close proximity of the median nerve to the cubital joint, proximal migration of local anesthetic might ameliorate pain originating from the cubital joint. The objective of this study was to determine if a median nerve block will ameliorate lameness caused by pain in the cubital joint. A forelimb lameness was induced in six healthy horses by injecting 100 ng of recombinant equine interleukin 1 beta (IL-1β) into the cubital joint. The median nerve of the lame leg was anesthetized using 10 mL of 2% mepivacaine hydrochloride. A successful median nerve block was confirmed by loss of skin sensation at the medial aspect of the pastern and typical changes in thermographic images. Gait was assessed before and at 20, 40, and 60 minutes after the median nerve block using an inertial sensor-based motion analysis system (Lameness Locator; Equinosis LLC, Columbia, MO). A full-factorial repeated measures analysis of variance was used to compare treatment effect across time. IL-1β administration resulted in significant transient lameness in all horses (P < .0001). The median nerve block was successfully performed in all horses and did not result in significant improvement (P = .32) of lameness as quantified by the total differential head vector sum. This result has relevant clinical application as it suggests when performing a lameness examination, it is unlikely that blocking the median nerve with 10 mL of local anesthetic will ameliorate pain originating from the cubital joint.
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Schumacher J, Tucker G, Lundhal S, Bajracharya R, Sahoo S. CONTRASTING PATTERNS OF HEALTH TALK BY ASSISTED LIVING RESIDENTS, FAMILIES, AND STAFF. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.1768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Schumacher J. GERONTOLOGISTS ROLE IN PROMOTING PRINCIPLES OF GERIATRIC EMERGENCY MEDICINE – FOCUS ON SEVEN WORD MODEL. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.2565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Alvarez AV, Schumacher J, DeGraves FJ. Effect of the addition of epinephrine to a lidocaine solution on the efficacy and duration of palmar digital nerve blocks in horses with naturally occurring forefoot lameness. Am J Vet Res 2018; 79:1028-1034. [PMID: 30256149 DOI: 10.2460/ajvr.79.10.1028] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To determine whether addition of epinephrine to a lidocaine solution would prolong and potentiate the efficacy of a palmar digital nerve block (PDNB) in horses. ANIMALS 6 adult horses with naturally occurring forefoot lameness. PROCEDURES Initially, a PDNB with a 2% lidocaine solution was performed on the affected foot of each horse. Three days later, the PDNB was repeated with a 1% lidocaine solution or a 1% lidocaine solution containing epinephrine (dilution, 1:200,000). After another 3-day washout period, the PDNB was repeated with the treatment opposite that administered for the second PDNB. Gait was analyzed with a computerized lameness analysis system and heart rate and extent of skin sensation between the heel bulbs of the blocked foot were evaluated at predetermined times for 2 hours after each PDNB. RESULTS Efficacy and duration of the PDNB did not differ significantly between the 2% and 1% lidocaine treatments. The addition of epinephrine to the 1% lidocaine solution improved the efficacy and prolonged the duration of the PDNB. It also resulted in a positive correlation between skin desensitization and amelioration of lameness. Median heart rate remained unchanged throughout the observation period for all 3 treatments. No adverse effects associated with the PDNBs were observed. CONCLUSIONS AND CLINICAL RELEVANCE Addition of epinephrine (dilution, 1:200,000) to a 1% lidocaine solution improved the efficacy and prolonged the duration of a PDNB in horses with naturally occurring lameness and might be clinically useful for lameness evaluations and standing surgery of the forefoot of horses.
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McGlinchey L, Agne G, Passler T, Cole R, Schumacher J. An Objective Assessment of the Effect of Desensitizing the Median Nerve on Lameness Originating from the Cubital Joint. Vet Comp Orthop Traumatol 2018. [DOI: 10.1055/s-0038-1668222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Coleridge M, Schumacher J, DeGraves F. Comparison of lameness scores after a low 4‐point nerve block to lameness scores after additional desensitisation of the dorsal metatarsal nerves in horses with experimentally induced pain in the metatarsophalangeal joint. EQUINE VET EDUC 2018. [DOI: 10.1111/eve.12942] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Valk N, Schumacher J. Successful outcome of a Standardbred filly after conservative treatment for a Salter–Harris type
III
fracture of the distal femoral condyle. EQUINE VET EDUC 2018. [DOI: 10.1111/eve.12935] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Adair S, Baus M, Belknap J, Bell R, Boero M, Bussy C, Cardenas F, Casey T, Castro J, Davis W, Erskine M, Farr R, Fischer T, Forbes B, Ford T, Genovese R, Gottschalk R, Hoge M, Honnas C, Hunter G, Joyce J, Kaneps A, Keegan K, Kramer J, Lischer C, Marshall J, Oosterlinck M, Radue P, Redding R, Reed SK, Rick M, Santschi E, Schoonover M, Schramme M, Schumacher J, Stephenson R, Thaler R, Vedding Neilsen J, Wilson DA. Response to Letter to the Editor: Do we have to redefine lameness in the era of quantitative gait analysis. Equine Vet J 2018; 50:415-417. [PMID: 29633362 DOI: 10.1111/evj.12820] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Vacek JR, Schumacher J, Honnas CM. Arthrodesis of the Distal Interphalangeal Joint in a Horse Using Stainless Steel Baskets and Transarticular 4.5-mm Cortical Screws. Vet Comp Orthop Traumatol 2018. [DOI: 10.1055/s-0038-1632426] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
SummaryThe distal interphalangeal joint was successfully arthrodesed in a 7-monthold horse using two 13-mm stainless steel baskets that were packed with autogenous cancellous bone and held in place with transarticular 4.5-mm cortical screws. The baskets were placed midway between the extensor process of the distal phalanx and the collateral ligament on the corresponding side of the joint. The screws were directed from the abaxial side of the middle phalanx, axially and distally through the basket and across the joint space, into the distal phalanx. Bony fusion of the distal interphalangeal joint occurred through the region occupied by the baskets as well as through the central region of the joint. The horse was free of lameness at the walk in the operated limb from the fourth until the tenth postoperative month, at which time lameness recurred as a result of sepsis in the region of the lateral implant. An additional complication was the development of a carpus varus deformity in the contralateral forelimb, presumably as a result of stretching of the lateral collateral carpal ligaments from excessive weight-bearing coupled with an abnormal posture (tripod stance) during convalescence. The horse was euthanatized 10 months after the arthodesis procedure because of severe lameness associated with sepsis in the region of the lateral implant.Arthrodesis of the distal interphalangeal joint can be accomplished by inserting perforated stainless steel baskets into the joint.Modifications in the surgical approach to avoid complications of sepsis need to be made before this technique can be recommended for clinical application.Although the horse did not survive long-term, presentation of this technique should prove useful to other investigators as they attempt to devise techniques to fuse the distal interphalangeal joint.
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Aab A, Abreu P, Aglietta M, Al Samarai I, Albuquerque I, Allekotte I, Almela A, Alvarez Castillo J, Alvarez-Muñiz J, Anastasi G, Anchordoqui L, Andrada B, Andringa S, Aramo C, Arqueros F, Arsene N, Asorey H, Assis P, Aublin J, Avila G, Badescu A, Balaceanu A, Barbato F, Barreira Luz R, Beatty J, Becker K, Bellido J, Berat C, Bertaina M, Bertou X, Biermann P, Biteau J, Blaess S, Blanco A, Blazek J, Bleve C, Boháčová M, Boncioli D, Bonifazi C, Borodai N, Botti A, Brack J, Brancus I, Bretz T, Bridgeman A, Briechle F, Buchholz P, Bueno A, Buitink S, Buscemi M, Caballero-Mora K, Caccianiga L, Cancio A, Canfora F, Caramete L, Caruso R, Castellina A, Catalani F, Cataldi G, Cazon L, Chavez A, Chinellato J, Chudoba J, Clay R, Cobos A, Colalillo R, Coleman A, Collica L, Coluccia M, Conceição R, Consolati G, Contreras F, Cooper M, Coutu S, Covault C, Cronin J, D’Amico S, Daniel B, Dasso S, Daumiller K, Dawson B, de Almeida R, de Jong S, De Mauro G, de Mello Neto J, De Mitri I, de Oliveira J, de Souza V, Debatin J, Deligny O, Díaz Castro M, Diogo F, Dobrigkeit C, D’Olivo J, Dorosti Q, dos Anjos R, Dova M, Dundovic A, Ebr J, Engel R, Erdmann M, Erfani M, Escobar C, Espadanal J, Etchegoyen A, Falcke H, Farmer J, Farrar G, Fauth A, Fazzini N, Fenu F, Fick B, Figueira J, Filipčič A, Fratu O, Freire M, Fujii T, Fuster A, Gaior R, García B, Garcia-Pinto D, Gaté F, Gemmeke H, Gherghel-Lascu A, Ghia P, Giaccari U, Giammarchi M, Giller M, Głas D, Glaser C, Golup G, Gómez Berisso M, Gómez Vitale P, González N, Gorgi A, Gorham P, Grillo A, Grubb T, Guarino F, Guedes G, Halliday R, Hampel M, Hansen P, Harari D, Harrison T, Harton J, Haungs A, Hebbeker T, Heck D, Heimann P, Herve A, Hill G, Hojvat C, Holt E, Homola P, Hörandel J, Horvath P, Hrabovský M, Huege T, Hulsman J, Insolia A, Isar P, Jandt I, Johnsen J, Josebachuili M, Jurysek J, Kääpä A, Kambeitz O, Kampert K, Keilhauer B, Kemmerich N, Kemp E, Kemp J, Kieckhafer R, Klages H, Kleifges M, Kleinfeller J, Krause R, Krohm N, Kuempel D, Kukec Mezek G, Kunka N, Kuotb Awad A, Lago B, LaHurd D, Lang R, Lauscher M, Legumina R, Leigui de Oliveira M, Letessier-Selvon A, Lhenry-Yvon I, Link K, Lo Presti D, Lopes L, López R, López Casado A, Lorek R, Luce Q, Lucero A, Malacari M, Mallamaci M, Mandat D, Mantsch P, Mariazzi A, Mariş I, Marsella G, Martello D, Martinez H, Martínez Bravo O, Masías Meza J, Mathes H, Mathys S, Matthews J, Matthews J, Matthiae G, Mayotte E, Mazur P, Medina C, Medina-Tanco G, Melo D, Menshikov A, Merenda KD, Michal S, Micheletti M, Middendorf L, Miramonti L, Mitrica B, Mockler D, Mollerach S, Montanet F, Morello C, Mostafá M, Müller A, Müller G, Muller M, Müller S, Mussa R, Naranjo I, Nellen L, Nguyen P, Niculescu-Oglinzanu M, Niechciol M, Niemietz L, Niggemann T, Nitz D, Nosek D, Novotny V, Nožka L, Núñez L, Ochilo L, Oikonomou F, Olinto A, Palatka M, Pallotta J, Papenbreer P, Parente G, Parra A, Paul T, Pech M, Pedreira F, Pękala J, Pelayo R, Peña-Rodriguez J, Pereira L, Perlin M, Perrone L, Peters C, Petrera S, Phuntsok J, Piegaia R, Pierog T, Pimenta M, Pirronello V, Platino M, Plum M, Porowski C, Prado R, Privitera P, Prouza M, Quel E, Querchfeld S, Quinn S, Ramos-Pollan R, Rautenberg J, Ravignani D, Ridky J, Riehn F, Risse M, Ristori P, Rizi V, Rodrigues de Carvalho W, Rodriguez Fernandez G, Rodriguez Rojo J, Rogozin D, Roncoroni M, Roth M, Roulet E, Rovero A, Ruehl P, Saffi S, Saftoiu A, Salamida F, Salazar H, Saleh A, Salesa Greus F, Salina G, Sánchez F, Sanchez-Lucas P, Santos E, Santos E, Sarazin F, Sarmento R, Sarmiento-Cano C, Sato R, Schauer M, Scherini V, Schieler H, Schimp M, Schmidt D, Scholten O, Schovánek P, Schröder F, Schröder S, Schulz A, Schumacher J, Sciutto S, Segreto A, Shadkam A, Shellard R, Sigl G, Silli G, Sima O, Śmiałkowski A, Šmída R, Smith B, Snow G, Sommers P, Sonntag S, Squartini R, Stanca D, Stanič S, Stasielak J, Stassi P, Stolpovskiy M, Strafella F, Streich A, Suarez F, Suarez Durán M, Sudholz T, Suomijärvi T, Supanitsky A, Šupík J, Swain J, Szadkowski Z, Taboada A, Taborda O, Theodoro V, Timmermans C, Todero Peixoto C, Tomankova L, Tomé B, Torralba Elipe G, Travnicek P, Trini M, Ulrich R, Unger M, Urban M, Valdés Galicia J, Valiño I, Valore L, van Aar G, van Bodegom P, van den Berg A, van Vliet A, Varela E, Vargas Cárdenas B, Varner G, Vázquez R, Veberič D, Ventura C, Vergara Quispe I, Verzi V, Vicha J, Villaseñor L, Vorobiov S, Wahlberg H, Wainberg O, Walz D, Watson A, Weber M, Weindl A, Wiencke L, Wilczyński H, Wileman C, Wirtz M, Wittkowski D, Wundheiler B, Yang L, Yushkov A, Zas E, Zavrtanik D, Zavrtanik M, Zepeda A, Zimmermann B, Ziolkowski M, Zong Z, Zuccarello F. Inferences on mass composition and tests of hadronic interactions from 0.3 to 100 EeV using the water-Cherenkov detectors of the Pierre Auger Observatory. Int J Clin Exp Med 2017. [DOI: 10.1103/physrevd.96.122003] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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