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Clear
 
Test Code (รหัสการทดสอบ):
090-40-0220-01

Order Name (ชื่อการทดสอบ):
Ear C/S

 
Specimen / Container (สิ่งส่งตรวจ/ภาชนะ):
Ear/ Stuart transport medium or Sterile container

Inner Ear:
Tympanocentesis reserved for complicated, recurrent, or chronic persistent otitis media.
  1. For intact ear drum, clean ear canal with soap solution and collect fluid via syringe aspiration       technique (tympanocentesis).
  2. For ruptured ear drum, collect fluid on flexible shaft swab via an auditory speculum                         (aerobic culture only)
Outer Ear:
  1. Use a moistened swab to remove any debris or crust from the ear canal
  2. Obtain a sample by firmly rotating swab in the outer canal.
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to report within 3 days.
 
Useful For (ประโยชน์การทดสอบ):
Diagnosis of bacterial infections
 
Methodology (วิธีการทดสอบ):
  1. Conventional Culture Technique
  2. Identification by MALDI-TOF
  3. Suceptibility test by Vitek 2 Compact
 
AliasesName (ชื่อเรียกอื่นๆ) :
Aerobic culture
Aerobic bacteria culture
Culture, General Bacteria
Bacteria cullture
 
 
 
Test Code (รหัสการทดสอบ):
090-40-0220-01

Order Name (ชื่อการทดสอบ):
Ear C/S

 
Patient Preparation (การเตรียมตัวผู้ป่วย):
Medications: Do not use antibiotics before collection of specimen
 
Collection Specimen Or Container (สิ่งส่งตรวจ/ภาชนะ):
Ear/ Stuart transport medium or Sterile container

Inner Ear:
Tympanocentesis reserved for complicated, recurrent, or chronic persistent otitis media.
  1. For intact ear drum, clean ear canal with soap solution and collect fluid via syringe aspiration       technique (tympanocentesis).
  2. For ruptured ear drum, collect fluid on flexible shaft swab via an auditory speculum                         (aerobic culture only)
Outer Ear:
  1. Use a moistened swab to remove any debris or crust from the ear canal
  2. Obtain a sample by firmly rotating swab in the outer canal.
 
Specimen Testing Type (สิ่งส่งตรวจที่ใช้ในการทดสอบ):
Ear, volume Entire collection  or Sterile container
 
Sub Mission Container (ภาชนะส่งตรวจ):
Stuart transport medium  or Sterile container
 
Rejection Criteria (เกณฑ์ปฏิเสธสิ่งส่งตรวจ):
Specimen in formalin or dry swab will be reject.
 
Specimen Stabillity (ความคงตัวของสิ่งส่งตรวจ):
Specimen Type Temperature Time
Ear Room temperature, 18oC to 25oC 24 hours
 
 
 
Test Code (รหัสการทดสอบ):
090-40-0220-01

Order Name (ชื่อการทดสอบ):
Ear C/S

 
Method detail (วิธีการทดสอบ):
  1. Conventional Culture Technique
  2. Identification by MALDI-TOF
  3. Suceptibility test by Vitek 2 Compact
 
Schedule (ตารางการทดสอบ):
Tested daily (24 hours)
 
Turnaround Time (ระยะเวลารอผล):
Received specimen to report within 3 days.
 
Performing Location (หน่วยงานที่ทำการทดสอบ):
Microbiology, Laboratory Department Tel. 14171
 
Specimen Retention Time (ระยะเวลาเก็บสิ่งส่งตรวจ):
7 days
 
 
 
Test Code (รหัสการทดสอบ):
090-40-0220-01

Order Name (ชื่อการทดสอบ):
Ear C/S

 
 
Clinical Information (ข้อมูลทางคลินิก):
An ear infection (sometimes called acute otitis media) is an infection of the middle ear, the air-filled space behind the eardrum that contains the tiny vibrating bones of the ear. Children are more likely than adults to get ear infections. Because ear infections often clear up on their own, treatment may begin with managing pain and monitoring the problem. Sometimes, antibiotics are used to clear the infection. Some people are prone to having multiple ear infections. This can cause hearing problems and other serious complications. The following organisms have been recovered from tympanocentesis: S pneumoniae , H influenzae , Moraxella (Branhamella) catarrhalis , Streptococcus pyogenes, Staphylococcus aureus , Pseudomonas aeruginosa. E coli, Klebsiella pneumoniae, Pseudomonas aeruginosa may be isolated from neonates. In therapeutic failures, S aureus, and P aeruginosa are most frequently recovered. Otitis externa is frequently caused by P aeruginosa and less frequently by Candida sp, Proteus sp, S aureus, and Trichophyton sp.
 
Reference Value (ค่าอ้างอิง):
No growth or usual flora
 
Interpretation (การแปลผล):
Any microorganism found where no resident flora is present is considered significant and is reported. For specimens contaminated with the usual bacterial flora, bacteria that are potentially pathogenic are identified.
 
Clinical Reference (เอกสารอ้างอิง):
  1. Amy L. Leber, editor. Clinical Microbiology Procedure Handbook 4th Edition. Washington DC: American Society for Microbiology; 2016
  2. James H. Jorgensen, Michael A. PFALLER. Manual of Clinical Microbiology 11th ed. Washington, DC: ASM Press; 2015
  3. https://www.mayocliniclabs.com (Retrieved: 29 Jan 2019)