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犬貓呼吸道灌洗互動式臨床指南

本工具為一項聚焦於診斷策略的決策輔助系統,旨在協助臨床獸醫師在經氣管灌洗(TTW)與支氣管肺泡灌洗(BAL)之間,根據臨床情境做出最明智的選擇,並能準確判讀採樣結果。[5], [6]

經氣管灌洗 (TTW)

採集來自大氣道混合性樣本,對診斷瀰漫性、產液性的疾病(特別是細菌性肺炎)具有高價值。[1], [8], [10]

支氣管肺泡灌洗 (BAL)

採集來自深層肺部靶向性樣本,是診斷間質性肺病、貓氣喘等小氣道疾病的黃金標準。[9], [18], [21]

TTW vs. BAL 快速比較

此部分提供兩種技術在關鍵特性上的視覺化及表格式比較,幫助您快速權衡其優劣。圖表展示了相對評分,而表格則提供了更詳細的資訊。

特性 經氣管灌洗 (TTW) 支氣管肺泡灌洗 (BAL)
主要採樣目標 大氣道 (氣管 & 主支氣管)[6], [7] 深層肺部 (小氣道 & 肺泡)[9], [18]
侵入性 較低 (可鎮靜操作)[9] 較高 (需全身麻醉)[35]
成本/設備 低 / 簡單[12] 高 / 需專業設備(尤其導引式)[23], [26]
細菌培養適用性 極佳 (污染風險低)[12] 良好 (有口咽污染風險)[36]
對間質病/貓氣喘 診斷價值低 (常假陰性)[9] 診斷價值高 (黃金標準)[20], [21]
主要風險 皮下氣腫、氣道出血[7], [12] 低血氧、支氣管痙攣、麻醉併發症[9], [39]

互動式臨床決策指南

面對臨床病例時,您是否不確定該選擇哪種檢查?請根據您病患的主要臨床表現和影像學發現,點擊下方最符合的選項,本工具將提供基於證據的建議及詳細說明。

樣本處理與細胞學判讀

正確的樣本處理和判讀是最大化診斷價值的關鍵。本節概述了最佳實踐,並提供一個細胞學發現的快速參考指南,幫助您解讀報告。[17]

細胞學發現 判讀與相關疾病 TTW vs. BAL 意義
口咽部污染 大量扁平上皮細胞 & Simonsiella spp. 細菌。[17], [31] 在ETW和盲式BAL中較常見。
嗜中性球性發炎 敗血性: 退行性嗜中性球+胞內菌 = 細菌感染。[50]非敗血性: 慢性支氣管炎、感染初期。 TTW對診斷敗血性肺炎有效。[10]
嗜酸性球性發炎 強烈提示過敏/高敏性疾病 (貓氣喘、EBP、寄生蟲)。[51] BAL對診斷貓氣喘等小氣道疾病具絕對優勢。[21]
含鐵血黃素巨噬細胞 表示存在慢性或反覆性出血 (心衰、創傷、腫瘤)。[53] 兩種方法均可見,是重要線索。
腫瘤細胞 發現符合癌、肉瘤等特徵的非典型細胞。[54], [55] BAL檢出率更高,導引式BAL對診斷局部腫瘤最佳。

💡 判讀的黃金法則

一份陰性的TTW報告在症狀持續的病患身上,是進行BAL的強烈指徵,而非診斷的終點。[29], [64]

AI討論與參考文獻

您可以聆聽AI生成的Podcast對話討論,並查閱本指南所根據的參考文獻列表。

AI Podcast討論

參考文獻

  1. Testing for Cough | VCA Animal Hospitals.
  2. Transoral Tracheal & Transtracheal Airway Wash - Clinician's Brief.
  3. Transtracheal wash and bronchoalveolar lavage - PubMed.
  4. Airway sampling and introduction to bronchoscopy - BSAVA Library.
  5. Collection and interpretation of respiratory cytology - PubMed.
  6. Transtracheal Wash and Bronchoalveolar Lavage - ResearchGate.
  7. Transtracheal Wash – VETM 4540: Medical Procedures - University of Guelph Open Books.
  8. Respiratory secretions | eClinpath.
  9. Airway lavage (Proceedings) - DVM360.
  10. Bacterial pneumonia (Proceedings) - DVM360.
  11. Diagnosing Respiratory Ailments in Horses: Wash or Lavage? - EquiManagement.
  12. Transtracheal and Bronchoalveolar Washes - Veterian Key.
  13. Endotracheal Wash: Setting Up for Success - VetWrap- Vol. 14, Issue 4 - Foleon.
  14. Tracheal Wash in Cats - Wag!.
  15. Endo or trans-tracheal washing in Loomis, CA | VCA Loomis Basin Veterinary Clinic.
  16. TRACHEAL ASPIRATE AND BRONCHIOLAR LAVAGE - Idexx.
  17. Respiratory Cytology - WSAVA 2014 Congress - VIN.
  18. Bronchoalveolar lavage in the evaluation of pulmonary disease in the dog and cat. State of the art - PubMed.
  19. Bronchoscopy: approaches to evaluation and sampling - Vet Times.
  20. Conference 05 - 2023 Case: 01 20230920 - The Joint Pathology Center (JPC).
  21. Diagnosis Of Feline Lower Airway Disease | Today's Veterinary Practice.
  22. Canine and Feline Blind Bronchoalveolar Lavage (BAL) – Axiom Vet Labs.
  23. Bronchoscopy and bronchoalveolar lavage in dogs and cats.
  24. Pulmonary sampling (Proceedings) - DVM360.
  25. Lower respiratory tract disease - Vet Times.
  26. Bronchoscopy and bronchoalveolar lavage in dogs and cats - veterinarska stanica.
  27. How to prepare and support the bronchoscopy patient - Veterinary Internal Medicine Nursing.
  28. Airway Evaluation and Flexible Endoscopic Procedures in Dogs and Cats: Laryngoscopy, Transtracheal Wash, Tracheobronchoscopy, and Bronchoalveolar Lavage | Request PDF - ResearchGate.
  29. The Use of Bronchoscopy and Bronchoalveolar Lavage in Dogs with a Chronic Cough | MSPCA-Angell.
  30. Treating Bacterial Pneumonia in Dogs and Cats | Today's Veterinary Practice.
  31. Image Gallery: Transtracheal Wash Cytology in Dogs & Cats - Clinician's Brief.
  32. Feline lower airway disease: asthma and beyond - ResearchGate.
  33. Bronchoalveolar Lavage (BAL) in Dogs - PetPlace.com.
  34. Comparison of Tracheal Wash and Bronchoalveolar Lavage Cytology in 154 Horses With and Without Respiratory Signs in a Referral Hospital Over 2009−2015 - PubMed Central.
  35. Comparison Between Tracheal Wash and Bronchoalveolar Lavage Cytology for the Assessment of Exercise-Induced Pulmonary Hemorrhage (EIPH) in Racehorses - MDPI.
  36. INVESTIGATING LOWER AIRWAY DISEASE | Liphook Equine Hospital.
  37. Bronchial wash / Bronchoalveolar lavage (BAL) - Cytopath Veterinary Pathology.
  38. Transtracheal aspiration in the diagnosis of pulmonary... - PMC.
  39. Collection of Bronchoalveolar Fluid Using a Blind Technique in Cats - WSAVA 2019 Congress - VIN.
  40. Tracheal Wash in Dogs - Wag!.
  41. The forgotten complication: aspiration pneumonia in the canine patient - The Veterinary Nurse.
  42. Procedures in respiratory medicine (Proceedings) - DVM360.
  43. How to Perform a Transtracheal Wash in the Field - Ivis.org.
  44. How to Perform a Transtracheal Wash in the Field - CABI Digital Library.
  45. Comparison of bronchoscopic and nonbronchoscopic... - AVMA Journals.
  46. Comparison of bronchoscopic and nonbronchoscopic bronchoalveolar lavage in healthy cats - AVMA Journals.
  47. Sample collection and packaging – Veterinary Diagnostic Laboratories, Colorado State University.
  48. Laboratory Manual - College of Veterinary Medicine, University of Tennessee.
  49. Diagnostic Sample Collection, Handling, and Transport Guide - AAEP.
  50. Cytology - Clinical Pathology and Procedures - Merck Veterinary Manual.
  51. Cat diagnosed with feline asthma - Texas A&M Veterinary Medical Diagnostic Laboratory.
  52. Bronchoalveolar lavage fluid lymphocytosis in 104 dogs (2006‐2016) - PMC.
  53. Frequency and severity of tracheal wash hemosiderosis and association with underlying disease in 96 cats: 2002-2003 - PubMed.
  54. All lesions great and small, part 2. Diagnostic cytology in veterinary medicine - PMC.
  55. Veterinary Cytology/Haematology Atlas.
  56. Proteomic analysis of bronchoalveolar lavage fluid samples obtained from West Highland White Terriers with idiopathic pulmonary fibrosis, dogs with chronic bronchitis, and healthy dogs - AVMA Journals.
  57. Serum and Bronchoalveolar Lavage Fluid Endothelin-1 Concentrations as Diagnostic Biomarkers of Canine Idiopathic Pulmonary Fibrosis | Request PDF - ResearchGate.
  58. Bronchoalveolar Lavage Fluid and Serum Canine Surfactant Protein... - PMC.
  59. Bronchoalveolar Lavage in Cats: A Retrospective Study of 26 Cases (1998-2001) - VIN.
  60. Canine blastomycosis: A review and update on diagnosis and treatment - DVM360.
  61. (PDF) Fungal pneumonia in dogs and cats with pulmonary clinical signs in southern Brazil - ResearchGate.
  62. Canine Aspergillosis/Fungal Rhinitis in Dogs | NDSR - North Downs Specialist Referrals.
  63. Blastomycosis In Veterinary Medicine: A Review - MiraVista Vets.
  64. Comparison of Tracheal Wash and Bronchoalveolar Lavage in Equine Patients - DVM360.