A clinical case of equine fungal placentitis with reference to hormone profiles and ultrasonography

Murase, Harutaka; Niwa, Hidekazu; Katayama, Yoshinari; Sato, Fumio; Hada, Tetsuro; Nambo, Yasuo

doi:10.1294/jes.26.129

Cited by 4 publications

(2 citation statements)

References 16 publications

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“…In Thoroughbred, quarter, and American paint horses [ 13 , 14 , 20 ] and ponies [ 1 , 11 ] with placentitis, high CTUP values have been reported. In our study, all horses in the placentitis group (100%) showed CTUP values greater than those observed in the 75th percentile of the normal group, and the upper 25% of the normal group were included in this range.…”

Section: Discussionmentioning

confidence: 99%

Combined thickness of the uterus and placenta and ultrasonographic examinations of uteroplacental tissues in normal pregnancy, placentitis, and abnormal parturitions in heavy draft horses

Kimura

Haneda

Aoki

et al. 2018

JES

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The combined thickness of the uterus and placenta (CTUP) and ultrasonographic images of uteroplacental tissues were investigated in 35 pregnant heavy draft horses in Months 7–12 of pregnancy. The mares were divided into three groups: those pathologically diagnosed as placentitis (placentitis group, n=3); those who had abortion, premature birth, or fetal malformation (abnormal group, n=7); and those who had no abnormal findings (normal group, n=25). In the normal group, CTUP increased as pregnancy progressed from Months 7 (median, 7.08 mm; range, 5.68–11.27) to 12 (13.31 mm; 7.44–16.31 mm) (P<0.05) and was higher than those reported previously in Thoroughbred, quarter, and American paint horses. Values of CTUP greater than the 75th percentile of the normal group from Months 7 (7.54 mm) to 12 (15.19 mm) were detected in 100% of the placentitis group (3/3) and in 86% of the abnormal group (6/7). Ultrasonographic images showing placental separation were obtained in 67% of the placentitis group (2/3), 29% of the abnormal group (2/7), and 20% of the normal group (5/25). Pathological placental edema and ultrasonographic images showing uteroplacental roughness or distinguishability were observed even in the normal group. These findings suggest that increased CTUP and placental separation would reflect placentitis and abnormal pregnancies and may help to detect them in heavy draft horses.

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Section: Discussionmentioning

confidence: 99%

Combined thickness of the uterus and placenta and ultrasonographic examinations of uteroplacental tissues in normal pregnancy, placentitis, and abnormal parturitions in heavy draft horses

Kimura

Haneda

Aoki

et al. 2018

JES

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“…Although the synergistic action of progesterone and estrogen is generally essential for mares, as in most mammals, for maintaining successful pregnancy, estrogen plays a dominant role in the maintenance of uterine elongation when the fetus grows rapidly in late pregnancy [9,10,11,12]. Therefore, monitoring circulating estradiol and progesterone is useful for detecting clinical signs of abortion, stillbirth, and perinatal fetal death during late pregnancy in mares [19,20,21,22]. …”

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confidence: 99%

PATHFAST, a novel chemiluminescent enzyme immunoassay for measuring estradiol in equine whole blood and serum

Toishi

Tsunoda

Kume

et al. 2016

Journal of Reproduction and Development

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A novel chemiluminescent enzyme immunoassay system, PATHFAST, for the measurement of estradiol in horses was evaluated. The concentrations of estradiol in the whole blood and serum of mares were measured using PATHFAST and the estradiol concentrations measured by PATHFAST were compared with those measured by a time-resolved fluoro-immunoassay (FIA). To monitor physiological changes, serum estradiol concentrations in mares were measured using PATHFAST throughout the gestation period. The serum estradiol concentrations correlated highly with those in whole blood samples. The serum concentrations of estradiol measured by PATHFAST also correlated well with FIA. Circulating estradiol increased during mid-gestation and high levels of serum estradiol were maintained in late gestation, followed by an abrupt decline to term. These results demonstrate the utility of PATHFAST in equine clinics as an accurate diagnostic tool for the rapid assay of estradiol within 26 min using unextracted whole blood.

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Plasma activin A concentrations during late gestation in Thoroughbred mares with abnormal pregnancies

Tsogtgerel

Murase

Moriyama

et al. 2023

Journal of Equine Veterinary Science

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A clinical case of equine fungal placentitis with reference to hormone profiles and ultrasonography

Cited by 4 publications

References 16 publications

Combined thickness of the uterus and placenta and ultrasonographic examinations of uteroplacental tissues in normal pregnancy, placentitis, and abnormal parturitions in heavy draft horses

Combined thickness of the uterus and placenta and ultrasonographic examinations of uteroplacental tissues in normal pregnancy, placentitis, and abnormal parturitions in heavy draft horses

PATHFAST, a novel chemiluminescent enzyme immunoassay for measuring estradiol in equine whole blood and serum

Plasma activin A concentrations during late gestation in Thoroughbred mares with abnormal pregnancies

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