Beachler, Theresa
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Publication Uroperitoneum in a preparturient mare(Theriogenology Foundation, 2022-06-01) Gianino, Giuliana; Kopper, Jamie; Troy, Jarrod; Kersh, Kevin; Farrell, Alanna; Wu, Eleas; Yaeger, Michael; Merkatoris, Paul; Johnson, Katheryn; Beachler, Theresa; Veterinary Diagnostic and Production Animal MedicineUroperitoneum is an insidious and potentially fatal disease process in horses.1,2 Although most commonly diagnosed in foals,1,3 uroperitoneum secondary to bladder rupture is uncommon in adult horses and reportedly associated with parturition, 2,4-7 urolithiasis,8,9 or trauma.10 Clinical signs typically present from 48 to 72 hours after rupture and consist of lethargy, anorexia, variable urination (anuria, pollakiuria, or stranguria), tachycardia, tachypnea, abdominal distension, or cardiac arrest.3 Hematologic findings often include azotemia, hyperkalemia, hyponatremia, hypochloremia, and metabolic acidosis.3 This report describes uroperitoneum secondary to urinary bladder rupture in a preparturient mare, that to the authors’ knowledge, has not previously been reported. This case underscores the importance of including uroperitoneum after urinary bladder rupture as a differential for late-term pregnant mares and highlights the possibility for safe use of maternal dexamethasone treatment after 335 days of pregnancy to hasten fetal maturity prior to Caesarean section.Publication Ancillary treatment to support pregnancy in cases of medical disease(John Wiley & Sons Ltd, 2022-02-21) Beachler, Theresa; Veterinary Diagnostic and Production Animal MedicineSystemic disease occurring in the pregnant mare presents many unique challenges and complications to routine case management, including the limitations on surgical interventions and pharmaceutical choices, as well as the inherent need to support fetoplacental health to prevent pregnancy loss. The Case Report by Sinovich and colleagues in this issue exemplifies some of these challenges (Sinovich et al., 2022). Cases of maternal medical disease affecting almost all body systems can have profound effects on fetoplacental health, fetal viability and pregnancy maintenance due to the presence of severe stress, endotoxaemia or endogenous prostaglandin production (Giles et al., 1993; Perkins, 1999; Bucca, 2006). Therefore, treatment and expedited resolution of the primary disease process when possible is paramount. Due to the varied nature of diseases affecting the vast number of possible body systems, an investigation into individualised pregnancy support measures is impractical, and treatments used in cases of reproductive disease such as ascending placentitis are frequently applied as ancillary measures to support fetoplacental health and to promote pregnancy maintenance.Publication Clinical outcome of transcervical infusion of a combination of procaine penicillin and gentamicin in late-term pregnant mares(2021-08-06) Beachler, Theresa; Papich, Mark; Andrews, Natalie; Von Dollen, Karen; Ellis, Katelyn; Withowski, Katie; Bailey, C. Scott; Veterinary Diagnostic and Production Animal MedicineTranscervical intrauterine infusion of antibiotics may more effectively treat pathogens associated with fetal and neonatal disease in pregnant mares than standard systemic routes. The objective of this study was to assess the safety of transcervical antibiotic infusion by characterizing the gestational outcome in 9 healthy pregnant pony mares following a single transcervical infusion of 2.4 million IU of procaine penicillin and 200 mg of gentamicin in a 10mL volume during late gestation. Assessment of fetal-placental health was performed through serial measurement of the combined thickness of the uterus and placenta (CTUP) and fetal heart rate and mares and foals were closely monitored in the periparturient period. Fetal heart rate and CTUP remained unchanged after infusion, with no evidence of fluid accumulation or significant increase at the time-points 24, 48, and 72 hours. All mares foaled without complication 12 to 58 days after antibiotic infusion at a mean gestational age of 322.7 ± 12.7 days. Two out of nine foals displayed signs of mild neonatal maladjustment syndrome that responded to minimal supportive care and all foals survived to weaning without further complications.