Evaluation of a Technique Using the Carbon Dioxide Laser for the Treatment of Aural Hematomas

2002 ◽  
Vol 38 (4) ◽  
pp. 385-390 ◽  
Author(s):  
Teresa L. Dye ◽  
H. Douglas Teague ◽  
Donald A. Ostwald ◽  
Steven D. Ferreira

A new technique using the carbon dioxide (CO2) laser for the treatment of aural hematomas is described. The laser is used to make an incision into the hematoma to allow for evacuation of the blood, and then multiple, small incisions are made over the surface of the hematoma to stimulate adhesions between the tissue layers. The CO2 laser was used in this fashion to treat 10 aural hematomas in eight dogs. Follow-up ranged from 1 to 23 months. Owners evaluated the cosmetic results following CO2 laser surgery as excellent in three ears, good in five ears, and fair in two ears. Hematomas were resolved in all 10 cases, although two cases developed serosanguineous fluid accumulation that required percutaneous drainage in one case and a second laser procedure in the other case.

2005 ◽  
Vol 95 (2) ◽  
pp. 175-179 ◽  
Author(s):  
Tara Farley-Sakevich ◽  
John F. Grady ◽  
Emil Zager ◽  
Timothy M. Axe

Ingrown toenails are one of the most common pathologic conditions encountered in podiatric medical practice. Many methods of treatment for ingrown toenails have been used and studied, including chemical matrixectomies, surgical approaches, and CO2 laser ablation. This study is a retrospective review of a new technique that consists of resection of the involved nail matrix using a No. 15 blade and controlled cauterization using a CO2 laser. The technique was performed on 381 painful ingrown toenails, and all of the patients were followed up postoperatively for an average of 34 months. The results showed minimal pain, a low recurrence rate, rapid return to activity, and good cosmesis. (J Am Podiatr Med Assoc 95(2): 175–179, 2005)


2019 ◽  
Vol 05 (03) ◽  
pp. e69-e75
Author(s):  
Alberto Maria Saibene ◽  
Cecilia Rosso ◽  
Paolo Castellarin ◽  
Federica Vultaggio ◽  
Carlotta Pipolo ◽  
...  

Purpose Because of its affinity for water-based tissues, carbon dioxide (CO2) laser has become an instrument of choice for treating oral mucosa conditions, ranging from inflammatory to malignant lesions. The aim of this work is to systematically evaluate the outcomes of laser surgery over a wide range of lesions, while providing a solid and reproducible protocol for CO2 laser surgery in the outpatient management of oral lesion. Methods Seventy-eight patients underwent 92 laser outpatient procedures for treatment of a wide range of benign and malignant lesions. We performed 60 removals, 11 exeretic biopsies, 15 vaporizations, and 3 vaporization/removal combined. We analyzed laser parameters applied for each technique and provided a systematic evaluation of surgical results. Results No problems occurred intraoperatively in any of the patients. Five patients complained marginal pain, while 3 patients had postsurgery bleeding. All treatments were successful, with the notable exception of 3 relapsing verrucous proliferative leukoplakias and an infiltrating squamous cell carcinoma of the tongue requiring radicalization. We did not record any adverse reactions to drugs or lesions due to laser action. Concordance between clinical diagnosis and pathology results was at 94.8%. Conclusions Our data indicate that CO2 laser is a solid choice for outpatient treatment of oral lesions. This technique grants painless and almost bloodless treatment, with negligible recurrence rates. Providing a solid reference for laser settings and operative techniques could provide a foundation for further exploring this tool while offering the basis for a positive comparison between different surgical techniques and options.


2016 ◽  
Vol 8 (2) ◽  
pp. 142-150 ◽  
Author(s):  
Imane Bennani ◽  
Raphael Lopez ◽  
Delphine Bonnet ◽  
Gregoire Prevot ◽  
Arnaud Constantin ◽  
...  

Limited mouth opening (LMO) is a frequent complication of systemic sclerosis (SS). Its management is complex and there are limited treatment options. We report four patients with SS and severe LMO [interincisal distance (IID) <30 mm] treated with pulsed carbon dioxide (CO2) laser. Pulsed CO2 laser treatment of the white lips was performed after all patients had signed a written informed consent in the absence of alternative treatment. Treatment was carried out under locoregional anaesthesia using a Sharplan 30C CO2 laser in the Silk Touch® resurfacing mode. One to three laser sessions were performed at intervals of 8-12 months between sessions. Assessments were performed at 3 and 12 months with measurement of the IID using a ruler, calculation of the Mouth Handicap in Systemic Sclerosis (MHISS) scale and global evaluation by the patients. Adverse events were also reported. In all four patients, an improvement in IID occurred 3 months after the first session with a mean gain of +5 mm (range: 2-7). At 12 months, a mean gain of +8.5 mm (range: 7-10) in IID was observed. The MHISS score decreased by a mean of -14 (range: 11-17). All patients showed improvement of lip flexibility or mouth opening, allowing better phonation and mastication and easier dental care. Adverse effects were transient erythema and/or dyschromia. CO2 laser appears to be effective and well tolerated in the improvement of LMO in SS.


1987 ◽  
Vol 96 (6) ◽  
pp. 538-541 ◽  
Author(s):  
Stephen J. Wetmore

Although carbon dioxide laser therapy has been the preferred treatment for laryngeal papillomatosis for the past 10 to 15 years, only one major study has been published on the effect of laser surgery on the course of this disease. This report presents 46 patients who were treated by laser microlaryngoscopy during a 7(1/2) year period at the University of Arkansas for Medical Sciences. Among the 37 patients with adequate follow-up, 13 (35%) have gone into remission. The remission rate was 69% among patients who had exhibited laryngeal papillomatosis for 5 years or less, compared with a 10% remission rate in patients who had the disease for more than 5 years. None of the patients went Into remission at puberty.


Author(s):  

Background: Many interventions have been used to treat post-acne scars, with various degrees of efficacy and adverse reactions. Multimodal approach can achieve better results for improving the physical appearance that even if minor may result in significant distress and reduced quality of life. Objective: To compare the efficacy of subcision with fractional carbon dioxide (CO2) laser and subcision with microneedling fractional radiofrequency (RF) in treating post-acne scars and to study their adverse effects. Methods: In this prospective, interventional clinical study, a total of 64 patients with post-acne scars were enrolled. The patients were randomly allocated into two groups of 32 patients each, in which group A was treated with subcision plus fractional carbon dioxide laser (CO2) and group B was treated with subcision plus microneedling fractional radiofrequency (RF) every 6 weeks for a total of four sittings. An objective score was calculated for each patient using the Goodman and Baron scale to evaluate the outcome every visit during treatment and then 3 months after completion of therapy. Results: In group A, the percentage reduction in the mean objective scores was found to be 64%. In group B, the percentage reduction in mean objective scores was found to be 42%. Most of the changes were seen in the boxcar and rolling types of scars. Conclusions: Subcision and fractional CO2 laser were considered superior over subcision with microneedling fractional (RF) technique for the treatment of post-acne scars. Boxcar and rolling types of scars showed a high response to treatment than icepick scars


Neurosurgery ◽  
1983 ◽  
Vol 12 (1) ◽  
pp. 123-126 ◽  
Author(s):  
Chen Gongbai ◽  
Xu Qiwu

Abstract Since 1977, we have used a 170-W CO2 laser manufactured in Shanghai. In animal studies we found less temperature increase in neighboring cerebral tissue after laser vaporization (0.8°C) than after bipolar coagulation (1.4°C) or monopolar coagulation (8°C). Some factors affecting the reaction of cerebral tissue to CO2 laser irradiation are discussed. This laser was also used in 30 craniotomies: 20 for gliomas, 5 for meningiomas, 4 for metastases, and 1 for a vascular malformation. No obvious cerebral or systemic adverse effects were seen, but the length of follow-up is insufficient to demonstrate an increased survival rate.


2010 ◽  
Vol 46 (6) ◽  
pp. 375-384 ◽  
Author(s):  
Sara M. Burns ◽  
Elizabeth W. Howerth ◽  
Clarence A. Rawlings ◽  
Karen K. Cornell ◽  
MaryAnn G. Radlinsky ◽  
...  

This study compared the collateral tissue damage and incisional bridging with granulation tissue via histopathological examination following feline onychectomy performed by radiofrequency (RF) and carbon dioxide (CO2) laser. Two cats were euthanized, and their digits were harvested for histopathological evaluation on days 1, 3, and 7 post-onychectomy. Each digit was evaluated for total lesion width, total necrosis width, and degree of edema, hemorrhage, and inflammation. This study found few significant differences in collateral tissue damage between RF and CO2 laser, but more incisional bridging by granulation tissue was noted with RF for feline onychectomies. These results indicate that RF for feline onychectomy is a reasonable alternative to CO2 laser in regard to collateral tissue damage and bridging of the incision by granulation tissue. In addition, RF is not accompanied by the strict safety considerations and initial expense of acquisition of a CO2 laser.


2014 ◽  
Vol 08 (01) ◽  
pp. 118-123 ◽  
Author(s):  
Ajit George Mohan ◽  
A. V. Rajesh Ebenezar ◽  
Mohamed Fayas Ghani ◽  
Leena Martina ◽  
Ashwin Narayanan ◽  
...  

ABSTRACT Aim: The aim of this study was to evaluate the surface/mineral changes on enamel before and after the application of acidulated phosphate fluoride (APF) gel, fluoride enhanced hydroxyapatite gel and propolis in conjunction with carbon-dioxide (CO2) laser. Materials and Methods: Crowns of 40 human maxillary central incisors were collected and were divided into four groups of 10 each: Topical fluoride application only, topical fluoride application followed by CO2 laser irradiation, CO2 laser irradiation followed by topical fluoride application and CO2 laser irradiation before and after topical fluoride application. The 10 crowns in each group was again sectioned into four equal parts of mesio-incisal, disto-incisal, mesio-cervical and disto-cervical sections rendering 40 samples in each group. Each group was again subdivided into four subgroups: Subgroup C - untreated enamel surface (control). Subgroup A - APF gel application, subgroup R - fluoride enhanced hydroxyapatite gel application and subgroup P - propolis application. The surface morphology of the test samples were analyzed by scanning electron microscopy and mineral changes by energy dispersion X-ray spectrophotometer. Results: Total mineral content is maximum in Group 4A (CO2 laser irradiation before and after APF gel application) and calcium/phosphate ratio is highest in Group 4R (CO2 laser irradiation before and after Remin-Pro application). Group 2A (APF gel application followed by CO2 laser irradiation) has the maximum fluoride retention. Conclusion: Laser irradiation of enamel through a topically applied APF gel is effective in the prophylaxis and management of dental caries.


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