Tracheal Collapse Flashcards
Tinga, Vet Surg, 2015:
Extraluminal rings vs intraluminal stents
- Mortality rates for extraluminal rings vs intraluminal stents?
- What was associated with a shorter survival time?
- Major complication rates for extraluminal rings vs intraluminal stents?
- Which procedure resulted in more good or excellent outcomes?
- What % of dogs developed post-op laryngeal paralysis after extraluminal rings vs intraluminal stents?
Tinga, Vet Surg, 2015:
- Mortality rates: 8% for extraluminal rings vs 0% for intraluminal stents
- Dogs with mainstem bronchial collapse had a 5 times shorter survival time
- Major complication rates: 42% for extraluminal rings vs 43% for intraluminal stents
- Extraluminal rings had more good or excellent outcomes (80%) than intraluminal stents (28%)
- Post-op laryngeal paralysis occurred in 15% after extraluminal rings vs 3% after intraluminal stents
Montgomery, Vet Surg, 2015:
Radiography vs CT for tracheal measurements
Difference in measurements by CT vs radiography?
Montgomery, Vet Surg, 2015:
CT measurements were on average 1mm larger than radiographic measurements
Chisnell and Pardo, Vet Surg, 2015:
Tracheal ring prosthesis
- Mortality rate?
- What % of dogs required continued medical management post-op?
- What % of dogs developed laryngeal paralysis post-op?
- What % of dogs showed progression of tracheal collapse?
Chisnell and Pardo, Vet Surg, 2015:
- 4% mortality rate
- 35% required continued medical management post-op
- 17% developed laryngeal paralysis post-op
- 13% showed signs of progression of tracheal collapse
Williams, VRU, 2016:
Fluoroscopy vs CT for tracheal measurements
Which imaging method resulted in larger tracheal lumen diameter measurements?
Williams, VRU, 2016:
CT resulted in larger tracheal lumen diameter measurements compared to fluoroscopy
Raske, JVIM, 2018:
Tracheal stenting
- Changes in tracheal diameters in the cervical trachea vs thoracic inlet vs intrathoracic trachea following stenting?
- Initial stent length was what % higher than nominal length?
- What was the mean long-term tracheal stent shortening %?
Raske, JVIM, 2018:
- Mean % change in tracheal diameters was 5% for the cervical trachea vs 5.5% at the thoracic inlet vs 22% for the intrathoracic trachea
- Initial stent length was 27% higher than nominal length
- Mean long-term tracheal stent shortening was 10%
Suematsu, Vet Surg, 2019:
Continuous extraluminal tracheal prosthesis
- Mortality rate?
- What % of dogs developed post-op laryngeal paralysis?
- What % of dogs had recurrent tracheal collapse?
- What % of dogs developed tracheal necrosis?
- Pre-op harsh cough resolved in what % of dogs?
- Pre-op goose-honking cough resolved in what % of dogs?
Suematsu, Vet Surg, 2019:
- 2% mortality rate
- 2% developed post-op laryngeal paralysis
- 4% had recurrent tracheal collapse
- 0% developed tracheal necrosis
- Pre-op harsh cough resolved in 87%
- Pre-op goose-honking cough resolved in 96%
Weisse, JAVMA, 2019:
Endoluminal stenting
- What % of dogs had improvement in goose-honking or raspy breathing?
- What % of dogs had improvement in dyspnea?
- Major complication rate?
- Most common complications?
Weisse, JAVMA, 2019:
- 89% had improvement in goose-honking or raspy breathing
- 84% had improvement in dyspnea
- 47% major complication rate
- Most common complications were stent fracture and tissue ingrowth
Violette, JVIM, 2019:
Endoluminal stenting
Most common major complications?
Violette, JVIM, 2019:
Most common complications were stent fracture (25%), obstructive tissue ingrowth (19%) and progressive tracheal collapse (12%)