Clinical results, complications and the outcome of using either a carbon dioxide (CO₂) laser, diode laser or electrocautery (ELEC) for resection of the soft palate with an extended palatoplasty technique in brachycephalic dogs with upper airway obstructive syndrome were compared. Dogs were randomly allocated into three groups (n=20 in each group): ELEC, diode and CO₂ groups. The palatoplasty was made at the rostral aspect of the tonsils. A respiratory clinical score, ranging from 0 (normal) to 4 (cyanosis), was attributed to each dog before surgery and at 0 hours, 24 hours, two weeks and six months after surgery. A favourable outcome was defined as a one point or greater decrease in score 24 hours after surgery. The proportion of dogs with a favourable outcome was significantly higher in the CO₂ (n=15) and ELEC groups (n=15) in comparison with the diode group (n=7) (OR=5.6, 95 per cent confidence interval 1.4 to 21.9). Surgical time was significantly shorter (P<0.001; mean [sd] 510 [178] seconds), and bleeding was less common (P<0.001; 30 per cent of cases) in the CO₂ group. Complications were most frequent with the diode group (two cases of death and two cases of tracheostomy). The final outcome for all groups (n=57) was considered excellent in 79 per cent of cases and was considered good in 21 per cent.
Spontaneous pneumothorax induced by grass awns accounts for 5% of spontaneous pneumothorax and 22.5% of thoracic grass awn cases. Previous studies report limited interest of CT for spontaneous pneumothorax. Aims of this retrospective case series were to describe CT features of this condition and determine if CT features can efficiently localize the perforation site. Dogs that had a spontaneous pneumothorax, CT examination, thoracic surgery, and confirmed lung perforation due to a grass awn were included. Computed tomography studies were reviewed and compared to the surgical findings. In 19 of 22 (86.4%) dogs, the pneumothorax or its recurrence were ipsilateral to the perforation site. The perforation site was identified in 21 of 22 (95.5%) dogs and involved the caudal lobes in 20 of 22 (90.9%) cases. The lateralization and the involved lung lobe corresponded to surgical findings in 21 of 22(95.5%) dogs. The perforation site was characterized as a soft tissue attenuating focus lying against an extensive pleural thickening in 21 of 22(95.5%) dogs. An adjacent defect in the visceral pleura was seen in 13 of 22(59.1%) dogs. A grass awn was seen in 11 of 22(50%) dogs. The pneumothorax distribution and grass awn position consistently indicated the perforation side in this sample of dogs. The comparison with surgical findings suggests CT might be helpful for future presurgical planning of this etiology for pneumothorax.
CLINICAL SIGNIFICANCE : The endoscopic removal of ingested fishhooks is highly successful. In the present study, survival to discharge was 100%, even in cases of oesophageal perforation or in cases requiring surgery.
OBJECTIVE To compare complications and outcome following unilateral, staged bilateral, and single-stage bilateral ventral bulla osteotomy (VBO) in cats. ANIMALS 282 client-owned cats treated by VBO at 25 veterinary referral and academic hospitals from 2005 through 2016. PROCEDURES Medical records of cats were reviewed to collect information on signalment, clinical signs, diagnostic test results, surgical and postoperative management details, complications (anesthetic, surgical, and postoperative), and outcome. Associations were evaluated among selected variables. RESULTS Unilateral, staged bilateral, and single-stage bilateral VBO was performed in 211, 7, and 64 cats, respectively, representing 289 separate procedures. Eighteen (9%), 2 (29%), and 30 (47%) of these cats, respectively, had postoperative respiratory complications. Cats treated with single-stage bilateral VBO were significantly more likely to have severe respiratory complications and surgery-related death than cats treated with other VBO procedures. Overall, 68.2% (n = 197) of the 289 procedures were associated with Horner syndrome (19.4% permanently), 30.1% (87) with head tilt (22.1% permanently), 13.5% (39) with facial nerve paralysis (8.0% permanently), and 6.2% (18) with local disease recurrence. Cats with (vs without) Horner syndrome, head tilt, and facial nerve paralysis before VBO had 2.6, 3.3, and 5.6 times the odds, respectively, of having these conditions permanently. CONCLUSIONS AND CLINICAL RELEVANCE Findings suggested that staged bilateral VBO should be recommended over single-stage bilateral VBO for cats with bilateral middle ear disease. Cats with Horner syndrome, head tilt, and facial nerve paralysis before surgery were more likely to have these conditions permanently following surgery than were cats without these conditions.
Background: The aim of this study is to describe surgical findings, treatment and outcome of spontaneous pneumothorax (SP) secondary to suspected migrating vegetal foreign body (MVFB). Methods: This retrospective study included dogs with computed tomography (CT) consistent with SP suspected to be secondary to MVFB that underwent thoracic surgery. They were divided into two groups according to whether CT identified (group 1) or only suspected (group 2) an MVFB. Results: Thirty‐seven dogs were included (twenty‐one in group 1 and 16 in group 2). An MVFB was identified during surgery in 18 of 21 of cases of group 1 and in 10 of 16 of group 2. An agreement between lobes affected on CT and surgical findings was observed in 34 of 40 lobes. In nine of 37 of cases, a lung perforation was identified without evidence of MVFB. Thirty‐nine lobectomies were performed: 15 complete and 24 partial. No recurrence of pneumothorax was observed. In four dogs, a second surgery was necessary to remove an MVFB 1.5 to 3 months after the initial surgery due to secondary draining tracts. Conclusion: Surgical approach planed with CT resolved SP in all cases before discharge with excellent short‐term outcome and no major complication. CT was reliable to assess perforated lung lobes in 85% of cases. Clinical signs of delayed draining tract developed in 33% of cases where surgery failed to find an MVFB identified on CT.
OBJECTIVE To describe and compare the results of preoperative CT and surgical findings in dogs with sublumbar abscesses and investigate potential associations between these variables and the outcome of abscess recurrence. ANIMALS 51 client-owned dogs. PROCEDURES A retrospective, records-based study was performed of dogs undergoing surgery for treatment of sublumbar abscesses diagnosed by use of CT between January 2010 and December 2018. Signalment, clinical signs, clinicopathologic data, CT findings, surgical techniques and findings, duration of hospitalization, postoperative treatment, and complications were recorded. Long-term follow-up was performed through telephone interviews. Logistic regression analysis was used to investigate associations between the variables of interest and abscess recurrence. RESULTS 51 dogs met the study inclusion criteria; 48 were included in outcome analysis. The CT findings agreed with surgical findings for identification of a migrating vegetal foreign body for 39 of 51 (77%) dogs. All dogs survived to hospital discharge; 1 dog died of hemoabdomen 3 days after surgery, and 6 had minor (surgical wound) complications reported. Abscess recurrence developed in 12 of 48 (25%) dogs with a median time to recurrence of 6 months. Identification of diskospondylitis on CT examination was the only investigated factor significantly associated with recurrence; odds of recurrence in dogs with this finding were 8.4 times those for dogs without this finding. CONCLUSIONS AND CLINICAL RELEVANCE Our results suggested dogs with sublumbar abscesses have a good prognosis after surgery, although recurrence can develop. Preoperative identification of diskospondylitis was significantly associated with abscess recurrence in this study sample.
Objective To describe the use of extended palatoplasty as treatment of caudal nasopharyngeal stenosis in cats. Materials and Methods CT was used to confirm the diagnosis in cats with clinical signs consistent with nasopharyngeal stenosis. Extended palatoplasty rostral to the tonsils using monopolar electrocautery allowed simultaneous removal of the caudal soft palate together with the stenotic area. Cats were re‐evaluated 2 weeks postoperatively. Telephone interview was used to obtain long‐term follow‐up. Results Six domestic shorthair cats were diagnosed with nasopharyngeal stenosis, with clinical signs of snoring (n=4), stertor (n=4), nasal discharge (n=3) and sneezing (n=1). CT scan identified a soft‐tissue stricture at the level of the caudal nasopharynx in all cats. Other abnormalities included bilateral rhinitis (n=3), retropharyngeal adenomegaly (n=2), unilateral sinusitis (n=1) and bilateral otitis externa with unilateral otitis media (n=1). Excision of the caudal soft palate and the entire stenotic soft‐tissue membrane was successful in all six cats. No pre‐, intra‐ or postoperative complications were observed. Short‐term outcome revealed clinical improvement in all cases. Long‐term outcome revealed no recurrence of clinical signs in four cats. In one cat, occasional sneezing was reported. One cat died 1 month postoperatively for reasons unrelated to the respiratory condition. Clinical Significance Extended palatoplasty was an effective technique to treat caudal nasopharyngeal stenosis and provide improvement of clinical signs without postoperative complications in all cases.
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