Recurrent umbilical cord accidents in a bottlenose dolphin Tursiops truncatus

García-Párraga, Daniel; Brook, Fiona; Crespo-Picazo, José Luís; Álvaro, Teresa; Valls, Mónica; Penadés, Mariola; Ortega, J.; Corpa, J. M.

doi:10.3354/dao02711

Cited by 5 publications

(8 citation statements)

References 9 publications

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“…The umbilical cord has also been documented in ultrasound images, thus being able to exclude the presence of twisting nodes or echographically detectable defects of the same conditions that proved fatal in the bottlenose dolphins [31][32][33]. Color Doppler may be utilized to study the blood flow, as well as diagnose an associated anomaly of the umbilical cord, such as in the case of an onphalocele that contained three vessels instead of four [32].…”

Section: Discussionmentioning

confidence: 99%

“…The trans-abdominal ultrasound evaluation revealed the presence of a wrap of the umbilical cord around the fetal peduncle. All pregnancies ended in in utero death of fetuses and their expulsion [31]. In addition, an omphalocele (an abdominal wall defect at the base of the umbilical cord) in an approximately 16-week-old fetus was detected in the clinical case reported by Smith et al (2013), thanks to the US prenatal examination.…”

Section: Introductionmentioning

confidence: 98%

“…Umbilical cord accidents were diagnosed in the same dolphin in three consecutive pregnancies in a study by García-Párraga et al (2014). The trans-abdominal ultrasound evaluation revealed the presence of a wrap of the umbilical cord around the fetal peduncle.…”

Section: Introductionmentioning

confidence: 99%

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Pregnancy and Fetal Development: Cephalic Presentation and Other Descriptive Ultrasonographic Findings from Clinically Healthy Bottlenose Dolphins (Tursiops truncatus) under Human Care

Saviano¹,

Fiorucci

Grande³

et al. 2020

Animals

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Ultrasonography is widely used in veterinary medicine for the diagnosis of pregnancy, and can also be used to monitor abnormal pregnancies, embryonic resorption, or fetal abortion. Ultrasonography plays an important role in modern-day cetacean preventative medicine because it is a non-invasive technique, it is safe for both patient and operator, and it can be performed routinely using trained responses that enable medical procedures. Reproductive success is an important aspect of dolphin population health, as it is an indicator of the future trajectory of the population. The aim of this study is to provide additional relevant data on feto-maternal ultrasonographic monitoring in bottlenose dolphin (Tursiops truncatus) species, for both the clinicians and for in situ population studies. From 2009 to 2019, serial ultrasonographic exams of 11 healthy bottlenose dolphin females kept under human care were evaluated over the course of 16 pregnancies. A total of 192 ultrasound exams were included in the study. For the first time, the sonographic findings of the bottlenose dolphin organogenesis and their correlation with the stage of pregnancy are described. Furthermore, this is the first report that forecasts the cephalic presentation of the calf at birth, according to its position within the uterus.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

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Pregnancy and Fetal Development: Cephalic Presentation and Other Descriptive Ultrasonographic Findings from Clinically Healthy Bottlenose Dolphins (Tursiops truncatus) under Human Care

Saviano¹,

Fiorucci

Grande³

et al. 2020

Animals

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“…A number of congenital lesions have been reported in Tursiops fetuses and perinates, including umbilical cord abnormalities, vascular pathologies, and cranial malformations . Following the “Deepwater Horizon” oil spill in 2010, wild dolphins living in oil‐impacted bays had increased prevalence of perinatal mortality, fetal distress, fetal pneumonia, and maternal pulmonary disease and reproductive failure .…”

Section: Introductionmentioning

confidence: 99%

Ultrasonographic findings associated with normal pregnancy and fetal well‐being in the bottlenose dolphin (Tursiops truncatus)

Ivančić¹,

Gomez

Musser

et al. 2020

Vet Radiology Ultrasound

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Reproductive success is vital in sustaining free‐ranging and managed bottlenose dolphin (Tursiops truncatus) populations. Ultrasonography is an invaluable, non‐invasive tool in assessing the fetomaternal unit in humans and animals, including dolphins and horses. The purpose of this prospective longitudinal cohort study was to develop a protocol for fetomaternal ultrasonographic monitoring in dolphins and to report normal measurements and descriptive findings correlated with a positive outcome. From 2010 to 2017, serial ultrasonographic evaluations of 12 healthy dolphins were performed over the course of 16 pregnancies. A total of 203 ultrasound examinations were included in the study. Several metrics were accurate in predicting fetal age. Fetal biparietal diameter (BPD), thoracic width in dorsal and transverse planes, thoracic height in a sagittal plane, aortic diameter, and blubber thickness all demonstrated high correlation with gestational age (r > 0.94, P < .00001). Regional uteroplacental thickness significantly increased with each trimester (range 0.22–0.40 cm; P < .00011 cranial uterus, P < .00057 mid, and P < .000011 caudal). Lung:liver mean pixel intensity was 2.57 ± 0.46 (95% confidence interval 2.47‐2.67). Ultrasonographic characteristics of normal pregnancy in dolphins are described and an equation for prediction of parturition date in Tursiops is reported: days to parturition = 348.16 − (26.03 × BPD(cm)) (R2 = 0.99). Future applications of these normal data will help identify in utero abnormalities indicative of fetal morbidity, and improve understanding of reproductive failure in wild and managed populations.

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“…Abdominal wall affections: Three successive Umbilical Cord Accidents (UCAs) were diagnosed in the same female bottlenose dolphin Tursiops truncatus during consecutive gestations (Garcia-Parraga et al, 2014). Coiling of the UC around the peduncle of the foetus was seen by ultrasound.…”

Section: Musculoskeletal Affectionsmentioning

confidence: 99%

Synopsis on the Most Common Pathologies of Dolphins

Eissa¹,

Abu‐Seida²

2015

J. of Fisheries and Aquatic Science

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Dolphins are one of the most iconic species of the marine world. With their playful nature and high intelligence, dolphins have enthralled the hearts of people of all ages from all over the world. The worldwide distribution of dolphins through the diverse global aquatic environments has gifted them with global popularity compared to other aquatic animals in direct contact with the human communities. In the past few decades, deaths, injuries, toxicities, genetic disorders and overfishing were continuously increasing due to faulty anthropogenic activities in th marine environment. The increasing global threats to dolphins' populations have remarkably enhanced the public awareness about these threats and triggered scientific communities to configure reliable/effective solutions. Combating trans-species infectious diseases and development of reliable, safe and cheaper diagnostic as well as therapeutic tools for tissue alterations were the infrastructure of dolphins' veterinary research through the past few decades. However, the veterinary library is suffering from remarkable scarcity of comprehensive literatures about diseases/disorders affecting different body systems of marine mammals. Thus, we present the current review in trial to shed the light on the most common affections of dolphins as a model of the most critically impacted marine mammals.

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Recurrent umbilical cord accidents in a bottlenose dolphin Tursiops truncatus

Cited by 5 publications

References 9 publications

Pregnancy and Fetal Development: Cephalic Presentation and Other Descriptive Ultrasonographic Findings from Clinically Healthy Bottlenose Dolphins (Tursiops truncatus) under Human Care

Pregnancy and Fetal Development: Cephalic Presentation and Other Descriptive Ultrasonographic Findings from Clinically Healthy Bottlenose Dolphins (Tursiops truncatus) under Human Care

Ultrasonographic findings associated with normal pregnancy and fetal well‐being in the bottlenose dolphin (Tursiops truncatus)

Synopsis on the Most Common Pathologies of Dolphins

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