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  1. Article: Progressive urethral dilation in male horses undergoing perineal urethrotomy for cystolith removal: 22 cases.

    Sassot, Lucas Nolazco / Ragle, Claude / Pentzke-Lemus, Ligia / Jones, Andrew Richard Ellis / Farnsworth, Kelly

    Journal of equine veterinary science

    2023  Volume 131, Page(s) 104955

    Abstract: This retrospective case series describes the use of progressive urethral dilation in 22 client-owned male horses undergoing perineal urethrotomy (PU) for cystolith removal. Medical records of horses undergoing PU and urethral dilation for treatment of ... ...

    Abstract This retrospective case series describes the use of progressive urethral dilation in 22 client-owned male horses undergoing perineal urethrotomy (PU) for cystolith removal. Medical records of horses undergoing PU and urethral dilation for treatment of cystolithiasis were reviewed. Dilation of the pelvic urethra was performed following PU and using customized dilators with the same length (30cm) and with various outer diameters (25 to 45mm). Analyzed data included: signalment, cystolith size, renal ultrasound findings, method used for cystolith removal, diameter of urethral dilators, intra- and post-operative complications, and hospitalization time. Cystolith size ranged between 37mm and 90mm. Dilation of the pelvic urethra was as follows: 35mm (n=8), 25mm (n=6), 39mm (n=3), 33mm (n=2), 28mm (n=2) and 45mm (n=1). In 6 cases, the cystolith was removed without fragmentation. In the remaining 16 horses, lithotripsy was performed with forceps (n=9) or a pneumatic scaler (n=7). In 15 horses a retrieval device was used to aid in calculi removal. Hospitalization time ranged between 1 and 5 days. Intra-operative complications occurred in one horse. No post-operative complications were recorded. Follow-up information was available for 21 horses (range 1-8 years). Urethral dilation via PU may be a viable option for cystolith removal in male horses.
    MeSH term(s) Male ; Horses ; Animals ; Urethra/surgery ; Urinary Bladder Calculi/veterinary ; Retrospective Studies ; Dilatation/veterinary ; Horse Diseases/surgery
    Language English
    Publishing date 2023-10-21
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2102631-2
    ISSN 1542-7412 ; 0737-0806
    ISSN (online) 1542-7412
    ISSN 0737-0806
    DOI 10.1016/j.jevs.2023.104955
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: The Use of Pneumatic Impact Lithotripsy in a Laparoscopic Retrieval Pouch for Removal of Large Cystoliths in Two Female Horses.

    Sassot, Lucas Nolazco / Ragle, Claude A / Farnsworth, Kelly D / Heaton, Kyle / Jones, Andrew R E

    Journal of equine veterinary science

    2020  Volume 91, Page(s) 103125

    Abstract: Two mares, aged 15 and 21 years, were examined because of urinary incontinence, intermittent hematuria, and urine scalding. On admission of both horses, physical parameters were within normal limits and urine scalding of the skin at the ventral perineum ... ...

    Abstract Two mares, aged 15 and 21 years, were examined because of urinary incontinence, intermittent hematuria, and urine scalding. On admission of both horses, physical parameters were within normal limits and urine scalding of the skin at the ventral perineum was noted. Transrectal palpation and cystoscopy revealed a large type I cystolith (>10 cm) with associated hyperemia and focal ulceration of the bladder mucosa. In horse 1, hemogram, serum biochemical analysis, and renal ultrasound were not performed because of owner finances. In horse 2, results from hematological and serum biochemical analysis were unremarkable and renal ultrasonography did not reveal any abnormalities. Pneumatic impact lithotripsy in a laparoscopic retrieval pouch was performed under cystoscopic guidance after caudal epidural anesthesia, with the horses standing and under sedation. A laparoscopic retrieval device was passed alongside a flexible endoscope into the urinary bladder and the cystolith was manipulated into the pouch. A customized single stainless-steel rod scaler attached to an air compressor was used for fragmentation of the cystolith contained within the retrieval pouch. Lithotripsy time was 42 minutes for horse 1 and 31 minutes for horse 2. Both horses were released from hospital the day of surgery. Both horses were continent and voided normal streams of urine for the duration of the follow-up periods of 27 and 19 months for horse 1 and horse 2, respectively. Pneumatic impact lithotripsy in a laparoscopic retrieval pouch provided a time-efficient and minimally invasive surgical treatment option for removal of large cystoliths in mares.
    MeSH term(s) Animals ; Cystoscopy/veterinary ; Female ; Horse Diseases/surgery ; Horses ; Laparoscopy/veterinary ; Lithotripsy/veterinary ; Urinary Bladder Calculi/surgery ; Urinary Bladder Calculi/veterinary
    Language English
    Publishing date 2020-05-21
    Publishing country United States
    Document type Case Reports
    ZDB-ID 2102631-2
    ISSN 1542-7412 ; 0737-0806
    ISSN (online) 1542-7412
    ISSN 0737-0806
    DOI 10.1016/j.jevs.2020.103125
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: The Use of Pneumatic Impact Lithotripsy in a Laparoscopic Retrieval Pouch for Removal of Large Cystoliths in Two Female Horses

    Sassot, Lucas Nolazco / Ragle, Claude A. / Farnsworth, Kelly D. / Heaton, Kyle / Jones, Andrew R.E.

    Journal of equine veterinary science. 2020 Aug., v. 91 p.103125-

    2020  

    Abstract: Two mares, aged 15 and 21 years, were examined because of urinary incontinence, intermittent hematuria, and urine scalding. On admission of both horses, physical parameters were within normal limits and urine scalding of the skin at the ventral perineum ... ...

    Abstract Two mares, aged 15 and 21 years, were examined because of urinary incontinence, intermittent hematuria, and urine scalding. On admission of both horses, physical parameters were within normal limits and urine scalding of the skin at the ventral perineum was noted. Transrectal palpation and cystoscopy revealed a large type I cystolith (>10 cm) with associated hyperemia and focal ulceration of the bladder mucosa. In horse 1, hemogram, serum biochemical analysis, and renal ultrasound were not performed because of owner finances. In horse 2, results from hematological and serum biochemical analysis were unremarkable and renal ultrasonography did not reveal any abnormalities. Pneumatic impact lithotripsy in a laparoscopic retrieval pouch was performed under cystoscopic guidance after caudal epidural anesthesia, with the horses standing and under sedation. A laparoscopic retrieval device was passed alongside a flexible endoscope into the urinary bladder and the cystolith was manipulated into the pouch. A customized single stainless-steel rod scaler attached to an air compressor was used for fragmentation of the cystolith contained within the retrieval pouch. Lithotripsy time was 42 minutes for horse 1 and 31 minutes for horse 2. Both horses were released from hospital the day of surgery. Both horses were continent and voided normal streams of urine for the duration of the follow-up periods of 27 and 19 months for horse 1 and horse 2, respectively. Pneumatic impact lithotripsy in a laparoscopic retrieval pouch provided a time-efficient and minimally invasive surgical treatment option for removal of large cystoliths in mares.
    Keywords air ; anesthesia ; bladder ; bladder calculi ; blood serum ; cystoscopy ; hematuria ; hospitals ; hyperemia ; lithotripsy ; mucosa ; perineum ; sedation ; stainless steel ; ultrasonics ; ultrasonography ; urinary incontinence ; urine ; veterinary medicine ; Horse ; Bladder stone ; Cystolithiasis ; Minimally invasive
    Language English
    Dates of publication 2020-08
    Publishing place Elsevier Inc.
    Document type Article ; Online
    Note NAL-AP-2-clean
    ZDB-ID 2102631-2
    ISSN 1542-7412 ; 0737-0806
    ISSN (online) 1542-7412
    ISSN 0737-0806
    DOI 10.1016/j.jevs.2020.103125
    Database NAL-Catalogue (AGRICOLA)

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  4. Article: Morcellation for testes extraction in horses undergoing standing laparoscopic cryptorchidectomy.

    Sassot, Lucas Nolazco / Ragle, Claude A / Farnsworth, Kelly D / Lund, Caleb M

    The Canadian veterinary journal = La revue veterinaire canadienne

    2017  Volume 58, Issue 11, Page(s) 1215–1220

    Abstract: The major objective of this study was to describe the use of morcellation for standing laparoscopic cryptorchidectomy in 30 client-owned horses. A second objective was to describe a laparoscopic-assisted standing scrotal technique for removal of a ... ...

    Abstract The major objective of this study was to describe the use of morcellation for standing laparoscopic cryptorchidectomy in 30 client-owned horses. A second objective was to describe a laparoscopic-assisted standing scrotal technique for removal of a descended testis in unilateral cryptorchids. Morcellation for extraction of abdominal testes is effective, efficient, and well-tolerated. Morcellation enabled safe and straightforward extraction of testes from the abdomen through an approximately 13- to 20-mm incision using a 2-portal technique. No incisional or morcellator-related complications occurred. Our laparoscopic-assisted standing scrotal technique for removal of a descended testis in unilateral cryptorchids entails intra-abdominal sealing and transection of the spermatic cord under laparoscopic viewing and subsequent removal of the testis through a scrotal incision. This technique enabled the surgeon to confirm hemostasis after transection of the spermatic cord and allowed tension-free removal of the descended testis. No intra-operative or incisional complications were encountered.
    Language English
    Publishing date 2017-11
    Publishing country Canada
    Document type Journal Article
    ZDB-ID 41603-4
    ISSN 0008-5286
    ISSN 0008-5286
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Dermoid Cyst in the Intermandibular Space of a 3-Year-Old Thoroughbred Gelding: A Case Report

    Nolazco Sassot, Lucas / Ragle, Claude A. / Farnsworth, Kelly D. / Souza, Camila R.S. / Jones, Andrew R.E.

    Journal of equine veterinary science. 2016 Aug., v. 43 p.72-76

    2016  

    Abstract: Soft tissue swelling located in the intermandibular space is very common in horses and presents a significant diagnostic challenge. Although the possible etiologies of intermandibular swelling are many, dermoid cysts are rarely included within the ... ...

    Abstract Soft tissue swelling located in the intermandibular space is very common in horses and presents a significant diagnostic challenge. Although the possible etiologies of intermandibular swelling are many, dermoid cysts are rarely included within the differential diagnoses list. This may be due to their low prevalence and to the lack of English written literature reporting dermoid cysts in this location in horses. This is the first report describing the clinical signs, diagnosis, and management of a dermoid cyst arising in the intermandibular space of a Thoroughbred horse. In this case, an enlarging soft tissue mass located in the intermandibular space was diagnosed as a dermoid cyst following complete subcutaneous surgical excision and histopathology.
    Keywords Thoroughbred ; case studies ; excision ; geldings ; histopathology ; Horse ; Soft tissue mass ; Intermandibular space ; Dermoid cyst ; Keratinizing cyst
    Language English
    Dates of publication 2016-08
    Size p. 72-76.
    Publishing place Elsevier Inc.
    Document type Article ; Online
    ZDB-ID 2102631-2
    ISSN 1542-7412 ; 0737-0806
    ISSN (online) 1542-7412
    ISSN 0737-0806
    DOI 10.1016/j.jevs.2016.05.005
    Database NAL-Catalogue (AGRICOLA)

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