Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/134874
Title: Assessment of Thoracic Radiographic Alterations in Dogs with Heartworm and Their Correlation with Pulmonary Hypertension, Pre- and Post-Adulticide Treatment
Authors: Falcón Cordón, Soraya 
Falcon Cordón, Yaiza 
Costa Rodríguez, Noelia 
Matos Rivero, Jorge Isidoro 
Montoya Alonso, José Alberto 
Carretón Gómez, Elena 
UNESCO Clasification: 3109 Ciencias veterinarias
320111 Radiología
320508 Enfermedades pulmonares
Keywords: Dirofilaria immitis
Dogs
Echocardiography
Image diagnosis
Pulmonary hypertension, et al
Issue Date: 2024
Journal: Animals 
Abstract: Pulmonary hypertension (PH) is a prevalent and severe complication in dogs infected with Dirofilaria immitis. This study aimed to elucidate the progression of PH by analyzing radiographic parameters and the Right Pulmonary Artery Distensibility (RPAD) Index at three key time points: diagnosis (day 0), discharge (day 90), and six months post-discharge (day 270). Fifty-two heartworm-infected dogs were divided into two groups: non-hypertensive and hypertensive. Radiographic measurements, including Vertebral Heart Size (VHS), CrPA/R4 ratio, and CdPA/R9 ratio, along with the RPAD Index, were assessed on Days 0, 90, and 270. Results indicated that, in Group A, the RPAD Index improved significantly from 42% on Day 0 to 43.16% on Day 90, with no significant change by Day 270 (42%). In contrast, hypertensive dogs exhibited a persistently low RPAD Index, averaging 17% throughout this study (p < 0.001). Radiographic parameters in hypertensive dogs showed continuous elevation compared to non-hypertensive dogs, with significant increases in VHS, CrPA/R4, and CdPA/R9 ratios on day 270 compared to day 0 (p < 0.05). The results confirmed that PH persisted in dogs with D. immitis after adulticide treatment, highlighting the importance of regular radiographic monitoring for assessing and managing long-term outcomes in dogs with PH during and after adulticide treatment. Continuous surveillance is thus essential for the effective post-treatment management of PH in dogs.
URI: http://hdl.handle.net/10553/134874
ISSN: 2076-2615
DOI: 10.3390/ani14172551
Source: Animals [eISSN 2076-2615], v. 14, n. 17, 2551, (Septiembre 2024)
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