Formaldehyde Fasciaform Tympanoplasty: A Reliable Technique for Closing Large Tympanic Membrane Perforations

Harriman, Maureen; Westerberg, Brian D.; Kozak, Frederick K.

doi:10.2310/7070.2001.19409

Cited by 3 publications

(1 citation statement)

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“…Pfleiderer and Moffat [13] employed this method in 29 patients with total closure of the defect being achieved in 93% of cases. In a more recent study by MacDonald et al [8] and Harriman et al [5] on the outcome of Formaldehyde fasciaform tympanoplasty, it was found that the technique would produce consistent, reliable, and reproducible results for large tympanic membrane perforations.…”

Section: Introductionmentioning

confidence: 98%

Fabrication of patient specific fasciaform molds for formaldehyde fasciaform grafting tympanoplasty

Ngo

Lee

2009

THC

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In this paper, we report a procedure for making a patient specific Fasciaform Mold for a Formaldehyde Fasciaform Grafting Tympanoplasty procedure based on Computer Tomography (CT) of the patient's temporal bone. Three dimensional ear canal models were first reconstructed from the CT scans of patients. The models were then used by CNC (Computer Numeric Control) machines for making stainless steel molds as well as rapid prototyping machines for producing acrylic based polymer molds. Both a stainless steel mold and a pair of plastic acrylic molds were produced for Formaldehyde Fasciaform Grafting Tympanoplasty. The procedure is found to be feasible in producing a patient specific fasciaform mold within a reasonable time.

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Section: Introductionmentioning

confidence: 98%

Fabrication of patient specific fasciaform molds for formaldehyde fasciaform grafting tympanoplasty

Ngo

Lee

2009

THC

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Formaldehyde technique in dimensional stability of free fascia: An animal study

Aslan¹,

Savaş²,

Özsoy

et al. 2010

Acta Oto-Laryngologica

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By the 5th day, the mean non-formaldehyde-formed graft surface area was 73.51+/-13.43 mm(2) and the mean formaldehyde-formed graft surface area was 83.28+/-10.50 mm(2) respectively. After 5 days there was a mean decrease in surface area of the non-formaldehyde-formed and formaldehyde-formed grafts of 26.49+/-13.43 mm(2) and 16.72+/-10.50 mm(2), respectively. It was found that formaldehyde-formed fascia exhibited significantly superior dimensional stability when compared with non-fixed fascia during the 5 days of the early healing phase (p=0.031).

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Cartilage reinforcement tympanoplasty: otological and audiological results

Uslu

Tek

Tatlipinar

et al. 2010

Acta Oto-Laryngologica

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Preoperatively, only one patient had a retraction pocket but not a perforation, 12 (20%) patients had perforation of < 25% of the total tympanic membrane diameter, 12 patients had perforation between 25% and 50% of the total membrane diameter, 18 patients had a perforation between 50% and 75% of total membrane diameter and 17 patients had a perforation of > 75% of the total membrane diameter. Postoperatively we achieved total closure of tympanic membrane perforations for 47 patients but the perforations of 13 patients remained in various sizes (7 patients had tympanic membrane perforation < 25% of the total membrane diameter, 3 between 25% and 50%, 2 between 50% and 75% and 1 patient had a perforation > 75% of the total membrane diameter). There was a statistically significant difference between percentages of preoperative perforation and postoperative perforations (p = 0.001). Only 1.7% of patients had no perforation preoperatively and this ratio increased to 78.3% postoperatively. Also, 30% of patients had a perforation between 50% and 75% of the total membrane diameter, 28.3% of the patients had a perforation > 75% of the total membrane diameter preoperatively and this ratio decreased to 3.3% and 1.7%, respectively. Concerning the audiological parameters, the difference between preoperative and postoperative hearing levels was statistically significant (p = 0.001).

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Formaldehyde Fasciaform Tympanoplasty: A Reliable Technique for Closing Large Tympanic Membrane Perforations

Cited by 3 publications

References 0 publications

Fabrication of patient specific fasciaform molds for formaldehyde fasciaform grafting tympanoplasty

Fabrication of patient specific fasciaform molds for formaldehyde fasciaform grafting tympanoplasty

Formaldehyde technique in dimensional stability of free fascia: An animal study

Cartilage reinforcement tympanoplasty: otological and audiological results

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