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Bonomelli N, Höglund OV, Bonilla AG. Laparoscopic cryptorchidectomy using a resorbable self-locking loop device in dorsally recumbent horses. Vet Surg 2024; 53:357-366. [PMID: 37463876 DOI: 10.1111/vsu.14001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 06/08/2023] [Accepted: 07/05/2023] [Indexed: 07/20/2023]
Abstract
OBJECTIVE To report the use and feasibility of a self-locking resorbable loop device for cryptorchidectomy. STUDY DESIGN Clinical prospective study. POPULATION Twenty horses. METHODS Horses suspected to have an abdominal testicle/s after admission work-up were enrolled. Horses were anesthetized in dorsal recumbency and a standard laparoscopic technique was performed. The looped device was inserted into the abdomen, glided around the testis/cord and tightened. Then, the spermatic cord was transected prior testis removal. Surgical procedure details and remarks, perioperative complications and total surgical time were recorded. Short- (>3 weeks) and long-term (>6 months) follow-ups were obtained by telephone questionnaire. RESULTS Median total surgical time was 67 min (range: 43-189 min) and significantly shortened after the first four horses. The loop device was easily glided around 13/20 abdominal testes and required more time and technical skills around larger testes (≥3 years). Excellent intraoperative hemostasis was achieved in 17 horses. Three horses demonstrated mild intraoperative bleeding that required retightening, device replacement or adding a second device, respectively. Three horses developed mild postoperative hemoabdomen identified ultrasonographically and were successfully managed medically. Follow-up revealed no significant complications related to the procedure. One horse was euthanized for colic 4 months after surgery and one died of hemolytic shock 17 months postoperatively. CONCLUSION This device represents another method to perform equine cryptorchidectomy that requires minimal training and laparoscopic expertise but demands knowledge of the device and application to prevent complications. CLINICAL SIGNIFICANCE Laparoscopic cryptorchidectomy using this device is an alternative technique for horses <3 years.
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Affiliation(s)
- Natacha Bonomelli
- Department of Clinical Sciences, College of Veterinary Medicine, University of Montreal, Saint Hyacinthe, Quebec, Canada
| | - Odd Viking Höglund
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
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Ishigaki K, Höglund OV, Asano K. Resorbable self-locking device for canine lung lobectomy: A clinical and experimental study. Vet Surg 2021; 50 Suppl 1:O32-O39. [PMID: 33687090 DOI: 10.1111/vsu.13623] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 02/21/2021] [Accepted: 02/25/2021] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To test the feasibility of a resorbable self-locking device for sealing of lung tissue in lung lobectomy in experimental dogs and dogs with pulmonary mass, and to study its resorption with CT. STUDY DESIGN Experimental study and clinical case series. ANIMALS Five beagles in the experimental group; six canine patients with a pulmonary mass in the clinical group. METHODS In both groups, an intercostal incision into thorax was performed. A resorbable self-locking device, LigaTie, was applied at the hilum of left cranial lobe in the experimental group and the affected lobe in the clinical group. Each lobe was removed by cutting the tissue just distal to the device. Video-assisted thoracic surgery was used in the experimental group; postoperative diagnostic imaging was repeated monthly until the device was not apparent on CT. RESULTS Application of LigaTie was feasible for lung lobectomy in all dogs. The device enabled en bloc ligation of the hilum of the affected lobe including the pulmonary arteries and veins and lobular bronchus. No air leakage from the resection stump was observed in any dog. Trace of the device on CT images gradually decreased and was undetectable at 4 months postoperatively in experimental dogs. CONCLUSION This study suggested that the resorbable self-locking device may be used for sealing of airways in complete lung lobectomy. CLINICAL RELEVANCE The resorbable self-locking device is suggested to be useful for canine lung lobectomy and may facilitate thoracoscopic lung lobectomy. Further investigations on its clinical application in small animal surgery are warranted.
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Affiliation(s)
- Kumiko Ishigaki
- Department of Veterinary Medicine, College of Bioresource Sciences, Nihon University, Fujisawa, Japan
| | - Odd Viking Höglund
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Kazushi Asano
- Department of Veterinary Medicine, College of Bioresource Sciences, Nihon University, Fujisawa, Japan
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Zhao F, Xu H, Xue W, Li Y, Sun J, Wang F, Jiang G, Li L, Wang L. Iodinated poly( p-dioxanone) as a facile platform for X-ray imaging of resorbable implantable medical devices. J Biomater Appl 2020; 35:39-48. [PMID: 32192387 DOI: 10.1177/0885328220912842] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Currently, implantable fibrous medical devices still suffer from invisibility under current clinical imaging techniques. To address this problem, 2, 3, 5-triiodobenzoic acid (TIBA) was recruited as a contrast agent, and then a set of iodinated poly(p-dioxanone) (PPDO) fibers was fabricated via melt-spinning hybrid blends of PPDO with TIBA (PPDO/TIBA). The impact of TIBA content on the rheological behavior of blends was evaluated firstly. The physical, chemical, and thermal properties of PPDO/TIBA fibers were investigated accordingly by SEM, FTIR, DSC, and TGA. Moreover, the radiopaque property of PPDO/TIBA hybrid fibers as a potential radio-opacifying platform for medical devices was verified in vitro and in vivo. Finally, the accumulated release results of the hybrid fibers during in vitro degradation indicate the continual X-ray visibility of the hybrid fibers maintains for 22 days. This intriguing iodinated platform may pave the way for constructing fibrous materials with in-situ X-ray tracking property.
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Affiliation(s)
- Fan Zhao
- College of Textiles, Donghua University, Shanghai, China.,Key laboratory of Textile Science and Technology, Ministry of Education, Donghua University, Songjiang, Shanghai, China
| | - Haiyan Xu
- College of Textiles, Donghua University, Shanghai, China.,Key laboratory of Textile Science and Technology, Ministry of Education, Donghua University, Songjiang, Shanghai, China
| | - Wen Xue
- College of Textiles, Donghua University, Shanghai, China.,Key laboratory of Textile Science and Technology, Ministry of Education, Donghua University, Songjiang, Shanghai, China
| | - Yan Li
- College of Textiles, Donghua University, Shanghai, China.,Key laboratory of Textile Science and Technology, Ministry of Education, Donghua University, Songjiang, Shanghai, China
| | - Jing Sun
- Department of Pediatric Cardiology of Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fujun Wang
- College of Textiles, Donghua University, Shanghai, China.,Key laboratory of Textile Science and Technology, Ministry of Education, Donghua University, Songjiang, Shanghai, China
| | - Guansen Jiang
- Hangzhou Rejoin Mastin Medical Device Co., Ltd, Hangzhou, China
| | - Lingchen Li
- Hangzhou Rejoin Mastin Medical Device Co., Ltd, Hangzhou, China
| | - Lu Wang
- College of Textiles, Donghua University, Shanghai, China.,Key laboratory of Textile Science and Technology, Ministry of Education, Donghua University, Songjiang, Shanghai, China
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